web/res/js/renkan.js
changeset 1304 10974bff4dae
parent 1198 ff4b567d51f2
--- a/web/res/js/renkan.js	Fri Dec 11 18:11:13 2015 +0100
+++ b/web/res/js/renkan.js	Tue Dec 29 13:25:14 2015 +0100
@@ -1,760 +1,1907 @@
-/* 
- *    _____            _               
- *   |  __ \          | |              
- *   | |__) |___ _ __ | | ____ _ _ __  
- *   |  _  // _ \ '_ \| |/ / _` | '_ \ 
+/*!
+ *    _____            _
+ *   |  __ \          | |
+ *   | |__) |___ _ __ | | ____ _ _ __
+ *   |  _  // _ \ '_ \| |/ / _` | '_ \
  *   | | \ \  __/ | | |   < (_| | | | |
  *   |_|  \_\___|_| |_|_|\_\__,_|_| |_|
  *
- *  Copyright 2012-2013 Institut de recherche et d'innovation 
- *  contributor(s) : Yves-Marie Haussonne, Raphael Velt, Samuel Huron
- *   
+ *  Copyright 2012-2015 Institut de recherche et d'innovation
+ *  contributor(s) : Yves-Marie Haussonne, Raphael Velt, Samuel Huron,
+ *      Thibaut Cavalié, Julien Rougeron.
+ *
  *  contact@iri.centrepompidou.fr
- *  http://www.iri.centrepompidou.fr 
- *   
+ *  http://www.iri.centrepompidou.fr
+ *
  *  This software is a computer program whose purpose is to show and add annotations on a video .
  *  This software is governed by the CeCILL-C license under French law and
- *  abiding by the rules of distribution of free software. You can  use, 
+ *  abiding by the rules of distribution of free software. You can  use,
  *  modify and/ or redistribute the software under the terms of the CeCILL-C
  *  license as circulated by CEA, CNRS and INRIA at the following URL
- *  "http://www.cecill.info". 
- *  
+ *  "http://www.cecill.info".
+ *
  *  The fact that you are presently reading this means that you have had
  *  knowledge of the CeCILL-C license and that you accept its terms.
-*/
+ */
+
+/*! renkan - v0.12.4 - Copyright © IRI 2015 */
+
+this["renkanJST"] = this["renkanJST"] || {};
+
+this["renkanJST"]["templates/colorpicker.html"] = function(obj) {
+obj || (obj = {});
+var __t, __p = '', __e = _.escape;
+with (obj) {
+__p += '<li data-color="' +
+((__t = (c)) == null ? '' : __t) +
+'" style="background: ' +
+((__t = (c)) == null ? '' : __t) +
+'"></li>';
+
+}
+return __p
+};
+
+this["renkanJST"]["templates/edgeeditor.html"] = function(obj) {
+obj || (obj = {});
+var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
+function print() { __p += __j.call(arguments, '') }
+with (obj) {
+__p += '<h2>\n    <span class="Rk-CloseX">&times;</span>' +
+__e(renkan.translate("Edit Edge")) +
+'</span>\n</h2>\n<p>\n    <label>' +
+__e(renkan.translate("Title:")) +
+'</label>\n    <input class="Rk-Edit-Title" type="text" value="' +
+__e(edge.title) +
+'" />\n</p>\n';
+ if (options.show_edge_editor_uri) { ;
+__p += '\n    <p>\n        <label>' +
+__e(renkan.translate("URI:")) +
+'</label>\n        <input class="Rk-Edit-URI" type="text" value="' +
+__e(edge.uri) +
+'" />\n        <a class="Rk-Edit-Goto" href="' +
+__e(edge.uri) +
+'" target="_blank"></a>\n    </p>\n    ';
+ if (options.properties.length) { ;
+__p += '\n        <p>\n            <label>' +
+__e(renkan.translate("Choose from vocabulary:")) +
+'</label>\n            <select class="Rk-Edit-Vocabulary">\n                ';
+ _.each(options.properties, function(ontology) { ;
+__p += '\n                    <option class="Rk-Edit-Vocabulary-Class" value="">\n                        ' +
+__e( renkan.translate(ontology.label) ) +
+'\n                    </option>\n                    ';
+ _.each(ontology.properties, function(property) { var uri = ontology["base-uri"] + property.uri; ;
+__p += '\n                        <option class="Rk-Edit-Vocabulary-Property" value="' +
+__e( uri ) +
+'"\n                            ';
+ if (uri === edge.uri) { ;
+__p += ' selected';
+ } ;
+__p += '>\n                            ' +
+__e( renkan.translate(property.label) ) +
+'\n                        </option>\n                    ';
+ }) ;
+__p += '\n                ';
+ }) ;
+__p += '\n            </select>\n        </p>\n';
+ } } ;
+__p += '\n';
+ if (options.show_edge_editor_style) { ;
+__p += '\n    <div class="Rk-Editor-p">\n      ';
+ if (options.show_edge_editor_style_color) { ;
+__p += '\n      <div id="Rk-Editor-p-color">\n        <span class="Rk-Editor-Label">' +
+__e(renkan.translate("Edge color:")) +
+'</span>\n        <div class="Rk-Edit-ColorPicker-Wrapper">\n            <span class="Rk-Edit-Color" style="background: &lt;%-edge.color%>;">\n                <span class="Rk-Edit-ColorTip"></span>\n            </span>\n            ' +
+((__t = ( renkan.colorPicker )) == null ? '' : __t) +
+'\n            <span class="Rk-Edit-ColorPicker-Text">' +
+__e( renkan.translate("Choose color") ) +
+'</span>\n        </div>\n      </div>\n      ';
+ } ;
+__p += '\n      ';
+ if (options.show_edge_editor_style_dash) { ;
+__p += '\n      <div id="Rk-Editor-p-dash">\n        <span class="Rk-Editor-Label">' +
+__e(renkan.translate("Dash:")) +
+'</span>\n        <input type="checkbox" name="Rk-Edit-Dash" class="Rk-Edit-Dash" ' +
+__e( edge.dash ) +
+' />\n      </div>\n      ';
+ } ;
+__p += '\n      ';
+ if (options.show_edge_editor_style_thickness) { ;
+__p += '\n      <div id="Rk-Editor-p-thickness">\n          <span class="Rk-Editor-Label">' +
+__e(renkan.translate("Thickness:")) +
+'</span>\n          <a href="#" class="Rk-Edit-Size-Btn" id="Rk-Edit-Thickness-Down">-</a>\n          <span class="Rk-Edit-Size-Disp" id="Rk-Edit-Thickness-Value">' +
+__e( edge.thickness ) +
+'</span>\n          <a href="#" class="Rk-Edit-Size-Btn" id="Rk-Edit-Thickness-Up">+</a>\n      </div>\n      ';
+ } ;
+__p += '\n      ';
+ if (options.show_edge_editor_style_arrow) { ;
+__p += '\n      <div id="Rk-Editor-p-arrow">\n        <span class="Rk-Editor-Label">' +
+__e(renkan.translate("Arrow:")) +
+'</span>\n        <input type="checkbox" name="Rk-Edit-Arrow" class="Rk-Edit-Arrow" ' +
+__e( edge.arrow ) +
+' />\n      </div>\n      ';
+ } ;
+__p += '\n    </div>\n';
+ } ;
+__p += '\n';
+ if (options.show_edge_editor_direction) { ;
+__p += '\n    <p>\n        <span class="Rk-Edit-Direction">' +
+__e( renkan.translate("Change edge direction") ) +
+'</span>\n    </p>\n';
+ } ;
+__p += '\n';
+ if (options.show_edge_editor_nodes) { ;
+__p += '\n    <p>\n        <span class="Rk-Editor-Label">' +
+__e(renkan.translate("From:")) +
+'</span>\n        <span class="Rk-UserColor" style="background: ' +
+__e(edge.from_color) +
+';"></span>\n        ' +
+__e( shortenText(edge.from_title, 25) ) +
+'\n    </p>\n    <p>\n        <span class="Rk-Editor-Label">' +
+__e(renkan.translate("To:")) +
+'</span>\n        <span class="Rk-UserColor" style="background: >%-edge.to_color%>;"></span>\n        ' +
+__e( shortenText(edge.to_title, 25) ) +
+'\n    </p>\n';
+ } ;
+__p += '\n';
+ if (options.show_edge_editor_creator && edge.has_creator) { ;
+__p += '\n    <p>\n        <span class="Rk-Editor-Label">' +
+__e(renkan.translate("Created by:")) +
+'</span>\n        <span class="Rk-UserColor" style="background: &lt;%-edge.created_by_color%>;"></span>\n        ' +
+__e( shortenText(edge.created_by_title, 25) ) +
+'\n    </p>\n';
+ } ;
+__p += '\n';
+
+}
+return __p
+};
+
+this["renkanJST"]["templates/edgeeditor_readonly.html"] = function(obj) {
+obj || (obj = {});
+var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
+function print() { __p += __j.call(arguments, '') }
+with (obj) {
+__p += '<h2>\n    <span class="Rk-CloseX">&times;</span>\n    ';
+ if (options.show_edge_tooltip_color) { ;
+__p += '\n        <span class="Rk-UserColor" style="background: ' +
+__e( edge.color ) +
+';"></span>\n    ';
+ } ;
+__p += '\n    <span class="Rk-Display-Title">\n        ';
+ if (edge.uri) { ;
+__p += '\n            <a href="' +
+__e(edge.uri) +
+'" target="_blank">\n        ';
+ } ;
+__p += '\n        ' +
+__e(edge.title) +
+'\n        ';
+ if (edge.uri) { ;
+__p += ' </a> ';
+ } ;
+__p += '\n    </span>\n</h2>\n';
+ if (options.show_edge_tooltip_uri && edge.uri) { ;
+__p += '\n    <p class="Rk-Display-URI">\n        <a href="' +
+__e(edge.uri) +
+'" target="_blank">' +
+__e( edge.short_uri ) +
+'</a>\n    </p>\n';
+ } ;
+__p += '\n<p>' +
+((__t = (edge.description)) == null ? '' : __t) +
+'</p>\n';
+ if (options.show_edge_tooltip_nodes) { ;
+__p += '\n    <p>\n        <span class="Rk-Editor-Label">' +
+__e(renkan.translate("From:")) +
+'</span>\n        <span class="Rk-UserColor" style="background: ' +
+__e( edge.from_color ) +
+';"></span>\n        ' +
+__e( shortenText(edge.from_title, 25) ) +
+'\n    </p>\n    <p>\n        <span class="Rk-Editor-Label">' +
+__e(renkan.translate("To:")) +
+'</span>\n        <span class="Rk-UserColor" style="background: ' +
+__e( edge.to_color ) +
+';"></span>\n        ' +
+__e( shortenText(edge.to_title, 25) ) +
+'\n    </p>\n';
+ } ;
+__p += '\n';
+ if (options.show_edge_tooltip_creator && edge.has_creator) { ;
+__p += '\n    <p>\n        <span class="Rk-Editor-Label">' +
+__e(renkan.translate("Created by:")) +
+'</span>\n        <span class="Rk-UserColor" style="background: ' +
+__e( edge.created_by_color ) +
+';"></span>\n        ' +
+__e( shortenText(edge.created_by_title, 25) ) +
+'\n    </p>\n';
+ } ;
+__p += '\n';
+
+}
+return __p
+};
+
+this["renkanJST"]["templates/ldtjson-bin/annotationtemplate.html"] = function(obj) {
+obj || (obj = {});
+var __t, __p = '', __e = _.escape;
+with (obj) {
+__p += '<li class="Rk-Bin-Item" draggable="true"\n    data-image="' +
+__e( Rkns.Utils.getFullURL(image) ) +
+'"\n    data-uri="' +
+((__t = (ldt_platform)) == null ? '' : __t) +
+'ldtplatform/ldt/front/player/' +
+((__t = (mediaid)) == null ? '' : __t) +
+'/#id=' +
+((__t = (annotationid)) == null ? '' : __t) +
+'"\n    data-title="' +
+__e(title) +
+'" data-description="' +
+__e(description) +
+'">\n\n    <img class="Rk-Ldt-Annotation-Icon" src="' +
+((__t = (image)) == null ? '' : __t) +
+'" />\n    <h4>' +
+((__t = (htitle)) == null ? '' : __t) +
+'</h4>\n    <p>' +
+((__t = (hdescription)) == null ? '' : __t) +
+'</p>\n    <p>Start: ' +
+((__t = (start)) == null ? '' : __t) +
+', End: ' +
+((__t = (end)) == null ? '' : __t) +
+', Duration: ' +
+((__t = (duration)) == null ? '' : __t) +
+'</p>\n    <div class="Rk-Clear"></div>\n</li>\n';
+
+}
+return __p
+};
+
+this["renkanJST"]["templates/ldtjson-bin/segmenttemplate.html"] = function(obj) {
+obj || (obj = {});
+var __t, __p = '', __e = _.escape;
+with (obj) {
+__p += '<li class="Rk-Bin-Item" draggable="true"\n    data-image="' +
+__e( Rkns.Utils.getFullURL(image) ) +
+'"\n    data-uri="' +
+((__t = (ldt_platform)) == null ? '' : __t) +
+'ldtplatform/ldt/front/player/' +
+((__t = (mediaid)) == null ? '' : __t) +
+'/#id=' +
+((__t = (annotationid)) == null ? '' : __t) +
+'"\n    data-title="' +
+__e(title) +
+'" data-description="' +
+__e(description) +
+'">\n\n    <img class="Rk-Ldt-Annotation-Icon" src="' +
+((__t = (image)) == null ? '' : __t) +
+'" />\n    <h4>' +
+((__t = (htitle)) == null ? '' : __t) +
+'</h4>\n    <p>' +
+((__t = (hdescription)) == null ? '' : __t) +
+'</p>\n    <p>Start: ' +
+((__t = (start)) == null ? '' : __t) +
+', End: ' +
+((__t = (end)) == null ? '' : __t) +
+', Duration: ' +
+((__t = (duration)) == null ? '' : __t) +
+'</p>\n    <div class="Rk-Clear"></div>\n</li>\n';
+
+}
+return __p
+};
+
+this["renkanJST"]["templates/ldtjson-bin/tagtemplate.html"] = function(obj) {
+obj || (obj = {});
+var __t, __p = '', __e = _.escape;
+with (obj) {
+__p += '<li class="Rk-Bin-Item" draggable="true"\n    data-image="' +
+__e( Rkns.Utils.getFullURL(static_url+'img/ldt-tag.png') ) +
+'"\n    data-uri="' +
+((__t = (ldt_platform)) == null ? '' : __t) +
+'ldtplatform/ldt/front/search/?search=' +
+((__t = (encodedtitle)) == null ? '' : __t) +
+'&field=all"\n    data-title="' +
+__e(title) +
+'" data-description="Tag \'' +
+__e(title) +
+'\'">\n\n    <img class="Rk-Ldt-Tag-Icon" src="' +
+__e(static_url) +
+'img/ldt-tag.png" />\n    <h4>' +
+((__t = (htitle)) == null ? '' : __t) +
+'</h4>\n    <div class="Rk-Clear"></div>\n</li>\n';
+
+}
+return __p
+};
+
+this["renkanJST"]["templates/list-bin.html"] = function(obj) {
+obj || (obj = {});
+var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
+function print() { __p += __j.call(arguments, '') }
+with (obj) {
+__p += '<li class="Rk-Bin-Item Rk-ResourceList-Item" draggable="true"\n    data-uri="' +
+__e(url) +
+'" data-title="' +
+__e(title) +
+'"\n    data-description="' +
+__e(description) +
+'"\n    ';
+ if (image) { ;
+__p += '\n        data-image="' +
+__e( Rkns.Utils.getFullURL(image) ) +
+'"\n    ';
+ } else { ;
+__p += '\n        data-image=""\n    ';
+ } ;
+__p += '\n>';
+ if (image) { ;
+__p += '\n    <img class="Rk-ResourceList-Image" src="' +
+__e(image) +
+'" />\n';
+ } ;
+__p += '\n<h4 class="Rk-ResourceList-Title">\n    ';
+ if (url) { ;
+__p += '\n        <a href="' +
+__e(url) +
+'" target="_blank">\n    ';
+ } ;
+__p += '\n    ' +
+((__t = (htitle)) == null ? '' : __t) +
+'\n    ';
+ if (url) { ;
+__p += '</a>';
+ } ;
+__p += '\n    </h4>\n    ';
+ if (description) { ;
+__p += '\n        <p class="Rk-ResourceList-Description">' +
+((__t = (hdescription)) == null ? '' : __t) +
+'</p>\n    ';
+ } ;
+__p += '\n    ';
+ if (image) { ;
+__p += '\n        <div style="clear: both;"></div>\n    ';
+ } ;
+__p += '\n</li>\n';
+
+}
+return __p
+};
+
+this["renkanJST"]["templates/main.html"] = function(obj) {
+obj || (obj = {});
+var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
+function print() { __p += __j.call(arguments, '') }
+with (obj) {
+
+ if (options.show_bins) { ;
+__p += '\n    <div class="Rk-Bins">\n        <div class="Rk-Bins-Head">\n            <h2 class="Rk-Bins-Title">' +
+__e( translate("Select contents:")) +
+'</h2>\n            <form class="Rk-Web-Search-Form Rk-Search-Form">\n                <input class="Rk-Web-Search-Input Rk-Search-Input" type="search"\n                    placeholder="' +
+__e( translate('Search the Web') ) +
+'" />\n                <div class="Rk-Search-Select">\n                    <div class="Rk-Search-Current"></div>\n                    <ul class="Rk-Search-List"></ul>\n                </div>\n                <input type="submit" value=""\n                    class="Rk-Web-Search-Submit Rk-Search-Submit" title="' +
+__e( translate('Search the Web') ) +
+'" />\n            </form>\n            <form class="Rk-Bins-Search-Form Rk-Search-Form">\n                <input class="Rk-Bins-Search-Input Rk-Search-Input" type="search"\n                    placeholder="' +
+__e( translate('Search in Bins') ) +
+'" /> <input\n                    type="submit" value=""\n                    class="Rk-Bins-Search-Submit Rk-Search-Submit"\n                    title="' +
+__e( translate('Search in Bins') ) +
+'" />\n            </form>\n        </div>\n        <ul class="Rk-Bin-List"></ul>\n    </div>\n';
+ } ;
+__p += ' ';
+ if (options.show_editor) { ;
+__p += '\n    <div class="Rk-Render Rk-Render-';
+ if (options.show_bins) { ;
+__p += 'Panel';
+ } else { ;
+__p += 'Full';
+ } ;
+__p += '"></div>\n';
+ } ;
+__p += '\n';
+
+}
+return __p
+};
+
+this["renkanJST"]["templates/nodeeditor.html"] = function(obj) {
+obj || (obj = {});
+var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
+function print() { __p += __j.call(arguments, '') }
+with (obj) {
+
+ //TODO: change class to id ;
+__p += '\n<h2>\n    <span class="Rk-CloseX">&times;</span>' +
+__e(renkan.translate("Edit Node")) +
+'</span>\n</h2>\n<p>\n    <label>' +
+__e(renkan.translate("Title:")) +
+'</label>\n    <input class="Rk-Edit-Title" type="text" value="' +
+__e(node.title) +
+'" />\n</p>\n';
+ if (options.show_node_editor_uri) { ;
+__p += '\n    <p>\n        <label>' +
+__e(renkan.translate("URI:")) +
+'</label>\n        <input class="Rk-Edit-URI" type="text" value="' +
+__e(node.uri) +
+'" />\n        <a class="Rk-Edit-Goto" href="' +
+__e(node.uri) +
+'" target="_blank"></a>\n    </p>\n';
+ } ;
+__p += ' ';
+ if (options.change_types) { ;
+__p += '\n    <p>\n        <label>' +
+__e(renkan.translate("Types available")) +
+':</label>\n        <select class="Rk-Edit-Type">\n          ';
+ _.each(types, function(type) { ;
+__p += '\n            <option class="Rk-Edit-Vocabulary-Property" value="' +
+__e( type ) +
+'"';
+ if (node.type === type) { ;
+__p += ' selected';
+ } ;
+__p += '>\n                ' +
+__e( renkan.translate(type.charAt(0).toUpperCase() + type.substring(1)) ) +
+'\n            </option>\n          ';
+ }); ;
+__p += '\n        </select>\n    </p>\n';
+ } ;
+__p += ' ';
+ if (options.show_node_editor_description) { ;
+__p += '\n    <p>\n        <label>' +
+__e(renkan.translate("Description:")) +
+'</label>\n        ';
+ if (options.show_node_editor_description_richtext) { ;
+__p += '\n            <div class="Rk-Edit-Description" contenteditable="true">' +
+((__t = (node.description)) == null ? '' : __t) +
+'</div>\n        ';
+ } else { ;
+__p += '\n            <textarea class="Rk-Edit-Description">' +
+((__t = (node.description)) == null ? '' : __t) +
+'</textarea>\n        ';
+ } ;
+__p += '\n    </p>\n';
+ } ;
+__p += ' ';
+ if (options.show_node_editor_size) { ;
+__p += '\n    <p>\n        <span class="Rk-Editor-Label">' +
+__e(renkan.translate("Size:")) +
+'</span>\n        <a href="#" class="Rk-Edit-Size-Btn" id="Rk-Edit-Size-Down">-</a>\n        <span class="Rk-Edit-Size-Disp" id="Rk-Edit-Size-Value">' +
+__e(node.size) +
+'</span>\n        <a href="#" class="Rk-Edit-Size-Btn" id="Rk-Edit-Size-Up">+</a>\n    </p>\n';
+ } ;
+__p += ' ';
+ if (options.show_node_editor_style) { ;
+__p += '\n    <div class="Rk-Editor-p">\n      ';
+ if (options.show_node_editor_style_color) { ;
+__p += '\n      <div id="Rk-Editor-p-color">\n        <span class="Rk-Editor-Label">\n        ' +
+__e(renkan.translate("Node color:")) +
+'</span>\n        <div class="Rk-Edit-ColorPicker-Wrapper">\n            <span class="Rk-Edit-Color" style="background: ' +
+__e(node.color) +
+';">\n                <span class="Rk-Edit-ColorTip"></span>\n            </span>\n            ' +
+((__t = ( renkan.colorPicker )) == null ? '' : __t) +
+'\n            <span class="Rk-Edit-ColorPicker-Text">' +
+__e( renkan.translate("Choose color") ) +
+'</span>\n        </div>\n      </div>\n      ';
+ } ;
+__p += '\n      ';
+ if (options.show_node_editor_style_dash) { ;
+__p += '\n      <div id="Rk-Editor-p-dash">\n        <span class="Rk-Editor-Label">' +
+__e(renkan.translate("Dash:")) +
+'</span>\n        <input type="checkbox" name="Rk-Edit-Dash" class="Rk-Edit-Dash" ' +
+__e( node.dash ) +
+' />\n      </div>\n      ';
+ } ;
+__p += '\n      ';
+ if (options.show_node_editor_style_thickness) { ;
+__p += '\n      <div id="Rk-Editor-p-thickness">\n          <span class="Rk-Editor-Label">' +
+__e(renkan.translate("Thickness:")) +
+'</span>\n          <a href="#" class="Rk-Edit-Size-Btn" id="Rk-Edit-Thickness-Down">-</a>\n          <span class="Rk-Edit-Size-Disp" id="Rk-Edit-Thickness-Value">' +
+__e(node.thickness) +
+'</span>\n          <a href="#" class="Rk-Edit-Size-Btn" id="Rk-Edit-Thickness-Up">+</a>\n      </div>\n      ';
+ } ;
+__p += '\n    </div>\n';
+ } ;
+__p += ' ';
+ if (options.show_node_editor_image) { ;
+__p += '\n    <div class="Rk-Edit-ImgWrap">\n        <div class="Rk-Edit-ImgPreview">\n            <img src="' +
+__e(node.image || node.image_placeholder) +
+'" />\n            ';
+ if (node.clip_path) { ;
+__p += '\n                <svg xmlns="http://www.w3.org/2000/svg" version="1.1" viewbox="0 0 1 1" preserveAspectRatio="none">\n                    <path style="stroke-width: .02; stroke:red; fill-opacity:.3; fill:red;" d="' +
+__e( node.clip_path ) +
+'" />\n                </svg>\n            ';
+ };
+__p += '\n        </div>\n    </div>\n    <p>\n        <label>' +
+__e(renkan.translate("Image URL:")) +
+'</label>\n        <div>\n            <a class="Rk-Edit-Image-Del" href="#"></a>\n            <input class="Rk-Edit-Image" type="text" value=\'' +
+__e(node.image) +
+'\' />\n        </div>\n    </p>\n';
+ if (options.allow_image_upload) { ;
+__p += '\n    <p>\n        <label>' +
+__e(renkan.translate("Choose Image File:")) +
+'</label>\n        <input class="Rk-Edit-Image-File" type="file" accept="image/*" />\n    </p>\n';
+ };
+
+ } ;
+__p += ' ';
+ if (options.show_node_editor_creator && node.has_creator) { ;
+__p += '\n    <p>\n        <span class="Rk-Editor-Label">' +
+__e(renkan.translate("Created by:")) +
+'</span>\n        <span class="Rk-UserColor" style="background: ' +
+__e(node.created_by_color) +
+';"></span>\n        ' +
+__e( shortenText(node.created_by_title, 25) ) +
+'\n    </p>\n';
+ } ;
+__p += ' ';
+ if (options.change_shapes) { ;
+__p += '\n    <p>\n        <label>' +
+__e(renkan.translate("Shapes available")) +
+':</label>\n        <select class="Rk-Edit-Shape">\n          ';
+ _.each(shapes, function(shape) { ;
+__p += '\n            <option class="Rk-Edit-Vocabulary-Property" value="' +
+__e( shape ) +
+'"';
+ if (node.shape === shape) { ;
+__p += ' selected';
+ } ;
+__p += '>\n                ' +
+__e( renkan.translate(shape.charAt(0).toUpperCase() + shape.substring(1)) ) +
+'\n            </option>\n          ';
+ }); ;
+__p += '\n        </select>\n    </p>\n';
+ } ;
+__p += '\n';
+
+}
+return __p
+};
+
+this["renkanJST"]["templates/nodeeditor_readonly.html"] = function(obj) {
+obj || (obj = {});
+var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
+function print() { __p += __j.call(arguments, '') }
+with (obj) {
+__p += '<h2>\n    <span class="Rk-CloseX">&times;</span>\n    ';
+ if (options.show_node_tooltip_color) { ;
+__p += '\n        <span class="Rk-UserColor" style="background: ' +
+__e(node.color) +
+';"></span>\n    ';
+ } ;
+__p += '\n    <span class="Rk-Display-Title">\n        ';
+ if (node.uri) { ;
+__p += '\n            <a href="' +
+__e(node.uri) +
+'" target="_blank">\n        ';
+ } ;
+__p += '\n        ' +
+__e(node.title) +
+'\n        ';
+ if (node.uri) { ;
+__p += '</a>';
+ } ;
+__p += '\n    </span>\n</h2>\n';
+ if (node.uri && options.show_node_tooltip_uri) { ;
+__p += '\n    <p class="Rk-Display-URI">\n        <a href="' +
+__e(node.uri) +
+'" target="_blank">' +
+__e(node.short_uri) +
+'</a>\n    </p>\n';
+ } ;
+__p += ' ';
+ if (options.show_node_tooltip_description) { ;
+__p += '\n    <p class="Rk-Display-Description">' +
+((__t = (node.description)) == null ? '' : __t) +
+'</p>\n';
+ } ;
+__p += ' ';
+ if (node.image && options.show_node_tooltip_image) { ;
+__p += '\n    <img class="Rk-Display-ImgPreview" src="' +
+__e(node.image) +
+'" />\n';
+ } ;
+__p += ' ';
+ if (node.has_creator && options.show_node_tooltip_creator) { ;
+__p += '\n    <p>\n        <span class="Rk-Editor-Label">' +
+__e(renkan.translate("Created by:")) +
+'</span>\n        <span class="Rk-UserColor" style="background: ' +
+__e(node.created_by_color) +
+';"></span>\n        ' +
+__e( shortenText(node.created_by_title, 25) ) +
+'\n    </p>\n';
+ } ;
+__p += '\n    <a href="#?idNode=' +
+__e(node._id) +
+'">' +
+__e(renkan.translate("Link to the node")) +
+'</a>\n';
+
+}
+return __p
+};
+
+this["renkanJST"]["templates/nodeeditor_video.html"] = function(obj) {
+obj || (obj = {});
+var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
+function print() { __p += __j.call(arguments, '') }
+with (obj) {
+__p += '<h2>\n    <span class="Rk-CloseX">&times;</span>\n    ';
+ if (options.show_node_tooltip_color) { ;
+__p += '\n        <span class="Rk-UserColor" style="background: ' +
+__e(node.color) +
+';"></span>\n    ';
+ } ;
+__p += '\n    <span class="Rk-Display-Title">\n        ';
+ if (node.uri) { ;
+__p += '\n            <a href="' +
+__e(node.uri) +
+'" target="_blank">\n        ';
+ } ;
+__p += '\n        ' +
+__e(node.title) +
+'\n        ';
+ if (node.uri) { ;
+__p += '</a>';
+ } ;
+__p += '\n    </span>\n</h2>\n';
+ if (node.uri && options.show_node_tooltip_uri) { ;
+__p += '\n     <video width="320" height="240" controls>\n        <source src="' +
+__e(node.uri) +
+'" type="video/mp4">\n     </video> \n';
+ } ;
+__p += '\n    <a href="#?idnode=' +
+__e(node._id) +
+'">' +
+__e(renkan.translate("Link to the node")) +
+'</a>\n';
+
+}
+return __p
+};
+
+this["renkanJST"]["templates/scene.html"] = function(obj) {
+obj || (obj = {});
+var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
+function print() { __p += __j.call(arguments, '') }
+with (obj) {
+
+ if (options.show_top_bar) { ;
+__p += '\n    <div class="Rk-TopBar">\n        <div class="loader"></div>\n        ';
+ if (!options.editor_mode) { ;
+__p += '\n            <h2 class="Rk-PadTitle">\n                ' +
+__e( project.get("title") || translate("Untitled project")) +
+'\n            </h2>\n        ';
+ } else { ;
+__p += '\n            <input type="text" class="Rk-PadTitle" value="' +
+__e( project.get('title') || '' ) +
+'" placeholder="' +
+__e(translate('Untitled project')) +
+'" />\n        ';
+ } ;
+__p += '\n        ';
+ if (options.show_user_list) { ;
+__p += '\n            <div class="Rk-Users">\n                <div class="Rk-CurrentUser">\n                    ';
+ if (options.show_user_color) { ;
+__p += '\n                        <div class="Rk-Edit-ColorPicker-Wrapper">\n                            <span class="Rk-CurrentUser-Color">\n                            ';
+ if (options.user_color_editable) { ;
+__p += '\n                                <span class="Rk-Edit-ColorTip"></span>\n                            ';
+ } ;
+__p += '\n                            </span>\n                            ';
+ if (options.user_color_editable) { print(colorPicker) } ;
+__p += '\n                        </div>\n                    ';
+ } ;
+__p += '\n                    <span class="Rk-CurrentUser-Name">&lt;unknown user&gt;</span>\n                </div>\n                <ul class="Rk-UserList"></ul>\n            </div>\n        ';
+ } ;
+__p += '\n        ';
+ if (options.home_button_url) {;
+__p += '\n            <div class="Rk-TopBar-Separator"></div>\n            <a class="Rk-TopBar-Button Rk-Home-Button" href="' +
+__e( options.home_button_url ) +
+'">\n                <div class="Rk-TopBar-Tooltip">\n                    <div class="Rk-TopBar-Tooltip-Contents">\n                        ' +
+__e( translate(options.home_button_title) ) +
+'\n                    </div>\n                </div>\n            </a>\n        ';
+ } ;
+__p += '\n        ';
+ if (options.show_fullscreen_button) { ;
+__p += '\n            <div class="Rk-TopBar-Separator"></div>\n            <div class="Rk-TopBar-Button Rk-FullScreen-Button">\n                <div class="Rk-TopBar-Tooltip">\n                    <div class="Rk-TopBar-Tooltip-Contents">\n                        ' +
+__e(translate("Full Screen")) +
+'\n                    </div>\n                </div>\n            </div>\n        ';
+ } ;
+__p += '\n        ';
+ if (options.editor_mode) { ;
+__p += '\n            ';
+ if (options.show_addnode_button) { ;
+__p += '\n                <div class="Rk-TopBar-Separator"></div>\n                <div class="Rk-TopBar-Button Rk-AddNode-Button">\n                    <div class="Rk-TopBar-Tooltip">\n                        <div class="Rk-TopBar-Tooltip-Contents">\n                            ' +
+__e(translate("Add Node")) +
+'\n                        </div>\n                    </div>\n                </div>\n            ';
+ } ;
+__p += '\n            ';
+ if (options.show_addedge_button) { ;
+__p += '\n                <div class="Rk-TopBar-Separator"></div>\n                <div class="Rk-TopBar-Button Rk-AddEdge-Button">\n                    <div class="Rk-TopBar-Tooltip">\n                        <div class="Rk-TopBar-Tooltip-Contents">\n                            ' +
+__e(translate("Add Edge")) +
+'\n                        </div>\n                    </div>\n                </div>\n            ';
+ } ;
+__p += '\n            ';
+ if (options.show_export_button) { ;
+__p += '\n                <div class="Rk-TopBar-Separator"></div>\n                <div class="Rk-TopBar-Button Rk-Export-Button">\n                    <div class="Rk-TopBar-Tooltip">\n                        <div class="Rk-TopBar-Tooltip-Contents">\n                            ' +
+__e(translate("Download Project")) +
+'\n                        </div>\n                    </div>\n                </div>\n            ';
+ } ;
+__p += '\n            ';
+ if (options.show_save_button) { ;
+__p += '\n                <div class="Rk-TopBar-Separator"></div>\n                <div class="Rk-TopBar-Button Rk-Save-Button">\n                    <div class="Rk-TopBar-Tooltip">\n                        <div class="Rk-TopBar-Tooltip-Contents"></div>\n                    </div>\n                </div>\n            ';
+ } ;
+__p += '\n            ';
+ if (options.show_open_button) { ;
+__p += '\n                <div class="Rk-TopBar-Separator"></div>\n                <div class="Rk-TopBar-Button Rk-Open-Button">\n                    <div class="Rk-TopBar-Tooltip">\n                        <div class="Rk-TopBar-Tooltip-Contents">\n                            ' +
+__e(translate("Open Project")) +
+'\n                        </div>\n                    </div>\n                </div>\n            ';
+ } ;
+__p += '\n            ';
+ if (options.show_bookmarklet) { ;
+__p += '\n                <div class="Rk-TopBar-Separator"></div>\n                <a class="Rk-TopBar-Button Rk-Bookmarklet-Button" href="#">\n                    <div class="Rk-TopBar-Tooltip">\n                        <div class="Rk-TopBar-Tooltip-Contents">\n                            ' +
+__e(translate("Renkan \'Drag-to-Add\' bookmarklet")) +
+'\n                        </div>\n                    </div>\n                </a>\n                <div class="Rk-TopBar-Separator"></div>\n            ';
+ } ;
+__p += '\n        ';
+ } else { ;
+__p += '\n            ';
+ if (options.show_export_button) { ;
+__p += '\n                <div class="Rk-TopBar-Separator"></div>\n                <div class="Rk-TopBar-Button Rk-Export-Button">\n                    <div class="Rk-TopBar-Tooltip">\n                        <div class="Rk-TopBar-Tooltip-Contents">\n                            ' +
+__e(translate("Download Project")) +
+'\n                        </div>\n                    </div>\n                </div>\n                <div class="Rk-TopBar-Separator"></div>\n            ';
+ } ;
+__p += '\n        ';
+ }; ;
+__p += '\n        ';
+ if (options.show_search_field) { ;
+__p += '\n            <form action="#" class="Rk-GraphSearch-Form">\n                <input type="search" class="Rk-GraphSearch-Field" placeholder="' +
+__e( translate('Search in graph') ) +
+'" />\n            </form>\n            <div class="Rk-TopBar-Separator"></div>\n        ';
+ } ;
+__p += '\n    </div>\n';
+ } ;
+__p += '\n<div class="Rk-Editing-Space';
+ if (!options.show_top_bar) { ;
+__p += ' Rk-Editing-Space-Full';
+ } ;
+__p += '">\n    <div class="Rk-Labels"></div>\n    <canvas class="Rk-Canvas" ';
+ if (options.resize) { ;
+__p += ' resize="" ';
+ } ;
+__p += ' ></canvas>\n    <div class="Rk-Notifications"></div>\n    <div class="Rk-Editor">\n        ';
+ if (options.show_bins) { ;
+__p += '\n            <div class="Rk-Fold-Bins">&laquo;</div>\n        ';
+ } ;
+__p += '\n        ';
+ if (options.show_zoom) { ;
+__p += '\n            <div class="Rk-ZoomButtons">\n                <div class="Rk-ZoomIn" title="' +
+__e(translate('Zoom In')) +
+'"></div>\n                <div class="Rk-ZoomFit" title="' +
+__e(translate('Zoom Fit')) +
+'"></div>\n                <div class="Rk-ZoomOut" title="' +
+__e(translate('Zoom Out')) +
+'"></div>\n                ';
+ if (options.editor_mode && options.save_view) { ;
+__p += '\n                    <div class="Rk-ZoomSave" title="' +
+__e(translate('Save view')) +
+'"></div>\n                ';
+ } ;
+__p += '\n                ';
+ if (options.save_view) { ;
+__p += '\n                    <div class="Rk-ZoomSetSaved" title="' +
+__e(translate('View saved view')) +
+'"></div>\n                    ';
+ if (options.hide_nodes) { ;
+__p += '\n                \t   <div class="Rk-ShowHiddenNodes" title="' +
+__e(translate('Show hidden nodes')) +
+'"></div>\n                    ';
+ } ;
+__p += '       \n                ';
+ } ;
+__p += '\n            </div>\n        ';
+ } ;
+__p += '\n    </div>\n</div>\n';
+
+}
+return __p
+};
+
+this["renkanJST"]["templates/search.html"] = function(obj) {
+obj || (obj = {});
+var __t, __p = '', __e = _.escape;
+with (obj) {
+__p += '<li class="' +
+((__t = ( className )) == null ? '' : __t) +
+'" data-key="' +
+((__t = ( key )) == null ? '' : __t) +
+'">' +
+((__t = ( title )) == null ? '' : __t) +
+'</li>';
+
+}
+return __p
+};
+
+this["renkanJST"]["templates/wikipedia-bin/resulttemplate.html"] = function(obj) {
+obj || (obj = {});
+var __t, __p = '', __e = _.escape;
+with (obj) {
+__p += '<li class="Rk-Wikipedia-Result Rk-Bin-Item" draggable="true"\n    data-uri="' +
+__e(url) +
+'" data-title="Wikipedia: ' +
+__e(title) +
+'"\n    data-description="' +
+__e(description) +
+'"\n    data-image="' +
+__e( Rkns.Utils.getFullURL( static_url + 'img/wikipedia.png' ) ) +
+'">\n\n    <img class="Rk-Wikipedia-Icon" src="' +
+__e(static_url) +
+'img/wikipedia.png">\n    <h4 class="Rk-Wikipedia-Title">\n        <a href="' +
+__e(url) +
+'" target="_blank">' +
+((__t = (htitle)) == null ? '' : __t) +
+'</a>\n    </h4>\n    <p class="Rk-Wikipedia-Snippet">' +
+((__t = (hdescription)) == null ? '' : __t) +
+'</p>\n</li>\n';
+
+}
+return __p
+};
 /* Declaring the Renkan Namespace Rkns and Default values */
 
 (function(root) {
 
-"use strict";
-
-if (typeof root.Rkns !== "object") {
-    root.Rkns = {};
-}
-
-var Rkns = root.Rkns;
-var $ = Rkns.$ = root.jQuery;
-var _ = Rkns._ = root._;
-
-Rkns.VERSION = '0.2.2';
-
-Rkns.pickerColors = ["#8f1919", "#a80000", "#d82626", "#ff0000", "#e87c7c", "#ff6565", "#f7d3d3", "#fecccc",
-    "#8f5419", "#a85400", "#d87f26", "#ff7f00", "#e8b27c", "#ffb265", "#f7e5d3", "#fee5cc",
-    "#8f8f19", "#a8a800", "#d8d826", "#feff00", "#e8e87c", "#feff65", "#f7f7d3", "#fefecc",
-    "#198f19", "#00a800", "#26d826", "#00ff00", "#7ce87c", "#65ff65", "#d3f7d3", "#ccfecc",
-    "#198f8f", "#00a8a8", "#26d8d8", "#00feff", "#7ce8e8", "#65feff", "#d3f7f7", "#ccfefe",
-    "#19198f", "#0000a8", "#2626d8", "#0000ff", "#7c7ce8", "#6565ff", "#d3d3f7", "#ccccfe",
-    "#8f198f", "#a800a8", "#d826d8", "#ff00fe", "#e87ce8", "#ff65fe", "#f7d3f7", "#feccfe",
-    "#000000", "#242424", "#484848", "#6d6d6d", "#919191", "#b6b6b6", "#dadada", "#ffffff"];
-
-Rkns.__renkans = [];
-
-var _BaseBin = Rkns._BaseBin = function(_renkan, _opts) {
-    if (typeof _renkan !== "undefined") {
-        this.renkan = _renkan;
-        this.renkan.$.find(".Rk-Bin-Main").hide();
-        this.$ = Rkns.$('<li>')
-            .addClass("Rk-Bin")
-            .appendTo(_renkan.$.find(".Rk-Bin-List"));
-        this.title_icon_$ = Rkns.$('<span>')
-            .addClass("Rk-Bin-Title-Icon")
-            .appendTo(this.$);
-            
+    "use strict";
+
+    if (typeof root.Rkns !== "object") {
+        root.Rkns = {};
+    }
+
+    var Rkns = root.Rkns;
+    var $ = Rkns.$ = root.jQuery;
+    var _ = Rkns._ = root._;
+
+    Rkns.pickerColors = ["#8f1919", "#a80000", "#d82626", "#ff0000", "#e87c7c", "#ff6565", "#f7d3d3", "#fecccc",
+        "#8f5419", "#a85400", "#d87f26", "#ff7f00", "#e8b27c", "#ffb265", "#f7e5d3", "#fee5cc",
+        "#8f8f19", "#a8a800", "#d8d826", "#feff00", "#e8e87c", "#feff65", "#f7f7d3", "#fefecc",
+        "#198f19", "#00a800", "#26d826", "#00ff00", "#7ce87c", "#65ff65", "#d3f7d3", "#ccfecc",
+        "#198f8f", "#00a8a8", "#26d8d8", "#00feff", "#7ce8e8", "#65feff", "#d3f7f7", "#ccfefe",
+        "#19198f", "#0000a8", "#2626d8", "#0000ff", "#7c7ce8", "#6565ff", "#d3d3f7", "#ccccfe",
+        "#8f198f", "#a800a8", "#d826d8", "#ff00fe", "#e87ce8", "#ff65fe", "#f7d3f7", "#feccfe",
+        "#000000", "#242424", "#484848", "#6d6d6d", "#919191", "#b6b6b6", "#dadada", "#ffffff"
+    ];
+
+    Rkns.__renkans = [];
+
+    var _BaseBin = Rkns._BaseBin = function(_renkan, _opts) {
+        if (typeof _renkan !== "undefined") {
+            this.renkan = _renkan;
+            this.renkan.$.find(".Rk-Bin-Main").hide();
+            this.$ = Rkns.$('<li>')
+                .addClass("Rk-Bin")
+                .appendTo(_renkan.$.find(".Rk-Bin-List"));
+            this.title_icon_$ = Rkns.$('<span>')
+                .addClass("Rk-Bin-Title-Icon")
+                .appendTo(this.$);
+
+            var _this = this;
+
+            Rkns.$('<a>')
+                .attr({
+                    href: "#",
+                    title: _renkan.translate("Close bin")
+                })
+                .addClass("Rk-Bin-Close")
+                .html('&times;')
+                .appendTo(this.$)
+                .click(function() {
+                    _this.destroy();
+                    if (!_renkan.$.find(".Rk-Bin-Main:visible").length) {
+                        _renkan.$.find(".Rk-Bin-Main:last").slideDown();
+                    }
+                    _renkan.resizeBins();
+                    return false;
+                });
+            Rkns.$('<a>')
+                .attr({
+                    href: "#",
+                    title: _renkan.translate("Refresh bin")
+                })
+                .addClass("Rk-Bin-Refresh")
+                .appendTo(this.$)
+                .click(function() {
+                    _this.refresh();
+                    return false;
+                });
+            this.count_$ = Rkns.$('<div>')
+                .addClass("Rk-Bin-Count")
+                .appendTo(this.$);
+            this.title_$ = Rkns.$('<h2>')
+                .addClass("Rk-Bin-Title")
+                .appendTo(this.$);
+            this.main_$ = Rkns.$('<div>')
+                .addClass("Rk-Bin-Main")
+                .appendTo(this.$)
+                .html('<h4 class="Rk-Bin-Loading">' + _renkan.translate("Loading, please wait") + '</h4>');
+            this.title_$.html(_opts.title || '(new bin)');
+            this.renkan.resizeBins();
+
+            if (_opts.auto_refresh) {
+                window.setInterval(function() {
+                    _this.refresh();
+                }, _opts.auto_refresh);
+            }
+        }
+    };
+
+    _BaseBin.prototype.destroy = function() {
+        this.$.detach();
+        this.renkan.resizeBins();
+    };
+
+    /* Point of entry */
+
+    var Renkan = Rkns.Renkan = function(_opts) {
         var _this = this;
-        
-        Rkns.$('<a>')
-            .attr({
-                href: "#",
-                title: _renkan.translate("Close bin")
-            })
-            .addClass("Rk-Bin-Close")
-            .html('&times;')
-            .appendTo(this.$)
-            .click(function() {
-                _this.destroy();
-                if (!_renkan.$.find(".Rk-Bin-Main:visible").length) {
-                    _renkan.$.find(".Rk-Bin-Main:last").slideDown();
+
+        Rkns.__renkans.push(this);
+
+        this.options = _.defaults(_opts, Rkns.defaults, {
+            templates: _.defaults(_opts.templates, renkanJST) || renkanJST,
+            node_editor_templates: _.defaults(_opts.node_editor_templates, Rkns.defaults.node_editor_templates)
+        });
+        this.template = renkanJST['templates/main.html'];
+
+        var types_templates = {};
+        _.each(this.options.node_editor_templates, function(value, key) {
+            types_templates[key] = _this.options.templates[value];
+            delete _this.options.templates[value];
+        });
+        this.options.node_editor_templates = types_templates;
+
+        _.each(this.options.property_files, function(f) {
+            Rkns.$.getJSON(f, function(data) {
+                _this.options.properties = _this.options.properties.concat(data);
+            });
+        });
+
+        this.read_only = this.options.read_only || !this.options.editor_mode;
+
+        this.router = new Rkns.Router();
+
+        this.project = new Rkns.Models.Project();
+        this.dataloader = new Rkns.DataLoader.Loader(this.project, this.options);
+
+        this.setCurrentUser = function(user_id, user_name) {
+            this.project.addUser({
+                _id: user_id,
+                title: user_name
+            });
+            this.current_user = user_id;
+            this.renderer.redrawUsers();
+        };
+
+        if (typeof this.options.user_id !== "undefined") {
+            this.current_user = this.options.user_id;
+        }
+        this.$ = Rkns.$("#" + this.options.container);
+        this.$
+            .addClass("Rk-Main")
+            .html(this.template(this));
+
+        this.tabs = [];
+        this.search_engines = [];
+
+        this.current_user_list = new Rkns.Models.UsersList();
+
+        this.current_user_list.on("add remove", function() {
+            if (this.renderer) {
+                this.renderer.redrawUsers();
+            }
+        });
+
+        this.colorPicker = (function() {
+            var _tmpl = renkanJST['templates/colorpicker.html'];
+            return '<ul class="Rk-Edit-ColorPicker">' + Rkns.pickerColors.map(function(c) {
+                return _tmpl({
+                    c: c
+                });
+            }).join("") + '</ul>';
+        })();
+
+        if (this.options.show_editor) {
+            this.renderer = new Rkns.Renderer.Scene(this);
+        }
+
+        if (!this.options.search.length) {
+            this.$.find(".Rk-Web-Search-Form").detach();
+        } else {
+            var _tmpl = renkanJST['templates/search.html'],
+                _select = this.$.find(".Rk-Search-List"),
+                _input = this.$.find(".Rk-Web-Search-Input"),
+                _form = this.$.find(".Rk-Web-Search-Form");
+            _.each(this.options.search, function(_search, _key) {
+                if (Rkns[_search.type] && Rkns[_search.type].Search) {
+                    _this.search_engines.push(new Rkns[_search.type].Search(_this, _search));
                 }
-                _renkan.resizeBins();
-                return false;
             });
-        Rkns.$('<a>')
-            .attr({
-                href: "#",
-                title: _renkan.translate("Refresh bin")
-            })
-            .addClass("Rk-Bin-Refresh")
-            .appendTo(this.$)
-            .click(function() {
-                _this.refresh();
+            _select.html(
+                _(this.search_engines).map(function(_search, _key) {
+                    return _tmpl({
+                        key: _key,
+                        title: _search.getSearchTitle(),
+                        className: _search.getBgClass()
+                    });
+                }).join("")
+            );
+            _select.find("li").click(function() {
+                var _el = Rkns.$(this);
+                _this.setSearchEngine(_el.attr("data-key"));
+                _form.submit();
+            });
+            _form.submit(function() {
+                if (_input.val()) {
+                    var _search = _this.search_engine;
+                    _search.search(_input.val());
+                }
                 return false;
             });
-        this.count_$ = Rkns.$('<div>')
-            .addClass("Rk-Bin-Count")
-            .appendTo(this.$);
-        this.title_$ = Rkns.$('<h2>')
-            .addClass("Rk-Bin-Title")
-            .appendTo(this.$);
-        this.main_$ = Rkns.$('<div>')
-            .addClass("Rk-Bin-Main")
-            .appendTo(this.$)
-            .html('<h4 class="Rk-Bin-Loading">' + _renkan.translate("Loading, please wait") + '</h4>');
-        this.title_$.html(_opts.title || '(new bin)');
-        this.renkan.resizeBins();
-        
-        if (_opts.auto_refresh) {
-            window.setInterval(function() {
-                _this.refresh();
-            },_opts.auto_refresh);
-        }
-    }
-};
-
-_BaseBin.prototype.destroy = function() {
-    this.$.detach();
-    this.renkan.resizeBins();
-};
-
-/* Point of entry */
-
-var Renkan = Rkns.Renkan = function(_opts) {
-    var _this = this;
-    
-    Rkns.__renkans.push(this);
-    
-    this.options = _.defaults(_opts, Rkns.defaults);
-        
-    _(this.options.property_files).each(function(f) {
-        Rkns.$.getJSON(f, function(data) {
-            _this.options.properties = _this.options.properties.concat(data);
-        });
-    });
-    
-    this.read_only = this.options.read_only || !this.options.editor_mode;
-
-    this.project = new Rkns.Models.Project();
-    
-    if (typeof this.options.user_id !== "undefined") {
-        this.current_user = this.options.user_id;
-    }
-    this.$ = Rkns.$("#" + this.options.container);
-    this.$
-        .addClass("Rk-Main")
-        .html(this.template(this));
-    
-    this.tabs = [];
-    this.search_engines = [];
-
-    this.current_user_list = new Rkns.Models.UsersList();
-    
-    this.current_user_list.on("add remove", function() {
-        if (this.renderer) {
-            this.renderer.redrawUsers();
+            this.$.find(".Rk-Search-Current").mouseenter(
+                function() {
+                    _select.slideDown();
+                }
+            );
+            this.$.find(".Rk-Search-Select").mouseleave(
+                function() {
+                    _select.hide();
+                }
+            );
+            this.setSearchEngine(0);
         }
-    });
-    
-    this.colorPicker = (function() {
-        var _tmpl = _.template('<li data-color="<%=c%>" style="background: <%=c%>"></li>');
-        return '<ul class="Rk-Edit-ColorPicker">' + Rkns.pickerColors.map(function(c) { return _tmpl({c:c})}).join("") + '</ul>'
-    })();
-    
-    if (this.options.show_editor) {
-        this.renderer = new Rkns.Renderer.Scene(this);
-    }
-    
-    if (!this.options.search.length) {
-        this.$.find(".Rk-Web-Search-Form").detach();
-    } else {
-        var _tmpl = _.template('<li class="<%= className %>" data-key="<%= key %>"><%= title %></li>'),
-            _select = this.$.find(".Rk-Search-List"),
-            _input = this.$.find(".Rk-Web-Search-Input"),
-            _form = this.$.find(".Rk-Web-Search-Form");
-        _(this.options.search).each(function(_search, _key) {
-            if (Rkns[_search.type] && Rkns[_search.type].Search) {
-                _this.search_engines.push(new Rkns[_search.type].Search(_this, _search));
-            }
-        });
-        _select.html(
-            _(this.search_engines).map(function(_search, _key) {
-                return _tmpl({
-                    key: _key,
-                    title: _search.getSearchTitle(),
-                    className: _search.getBgClass()
-                });
-            }).join("")
-        );
-        _select.find("li").click(function() {
-            var _el = Rkns.$(this);
-            _this.setSearchEngine(_el.attr("data-key"));
-            _form.submit();
-        });
-        _form.submit(function() {
-            if (_input.val()) {
-                var _search = _this.search_engine;
-                _search.search(_input.val());
-            }
-            return false;
-        });
-        this.$.find(".Rk-Search-Current").mouseenter(
-            function() { _select.slideDown(); }
-        );
-        this.$.find(".Rk-Search-Select").mouseleave(
-            function() { _select.hide(); }
-        );
-        this.setSearchEngine(0);
-    }
-    _(this.options.bins).each(function(_bin) {
-        if (Rkns[_bin.type] && Rkns[_bin.type].Bin) {
-            _this.tabs.push(new Rkns[_bin.type].Bin(_this, _bin));
-        }
-    });
-    
-    var elementDropped = false;
-    
-    this.$.find(".Rk-Bins")
-        .on("click",".Rk-Bin-Title,.Rk-Bin-Title-Icon", function() {
-            var _mainDiv = Rkns.$(this).siblings(".Rk-Bin-Main");
-            if (_mainDiv.is(":hidden")) {
-                _this.$.find(".Rk-Bin-Main").slideUp();
-                _mainDiv.slideDown();
+        _.each(this.options.bins, function(_bin) {
+            if (Rkns[_bin.type] && Rkns[_bin.type].Bin) {
+                _this.tabs.push(new Rkns[_bin.type].Bin(_this, _bin));
             }
         });
-    
-    if (this.options.show_editor) {
-        
-        this.$.find(".Rk-Bins").on("mouseover", ".Rk-Bin-Item", function(_e) {
-            var _t = Rkns.$(this);
-            if (_t && $(_t).attr("data-uri")) {
-                var _models = _this.project.get("nodes").where({
-                    uri: $(_t).attr("data-uri")
-                });
-                _(_models).each(function(_model) {
-                    _this.renderer.highlightModel(_model);
-                });
-            }
-        }).mouseout(function() {
-            _this.renderer.unhighlightAll();
-        }).on("mousemove", ".Rk-Bin-Item", function(e) {
-            try {
-                this.dragDrop();
-            }
-            catch(err) {}
-        }).on("touchstart", ".Rk-Bin-Item", function(e) {
-            elementDropped = false;
-        }).on("touchmove", ".Rk-Bin-Item", function(e) {
-            e.preventDefault();
-            var touch = e.originalEvent.changedTouches[0],
-                off = _this.renderer.canvas_$.offset(),
-                w = _this.renderer.canvas_$.width(),
-                h = _this.renderer.canvas_$.height();
-            if (touch.pageX >= off.left && touch.pageX < (off.left + w) && touch.pageY >= off.top && touch.pageY < (off.top + h)) {
+
+        var elementDropped = false;
+
+        this.$.find(".Rk-Bins")
+            .on("click", ".Rk-Bin-Title,.Rk-Bin-Title-Icon", function() {
+                var _mainDiv = Rkns.$(this).siblings(".Rk-Bin-Main");
+                if (_mainDiv.is(":hidden")) {
+                    _this.$.find(".Rk-Bin-Main").slideUp();
+                    _mainDiv.slideDown();
+                }
+            });
+
+        if (this.options.show_editor) {
+
+            this.$.find(".Rk-Bins").on("mouseover", ".Rk-Bin-Item", function(_e) {
+                var _t = Rkns.$(this);
+                if (_t && $(_t).attr("data-uri")) {
+                    var _models = _this.project.get("nodes").where({
+                        uri: $(_t).attr("data-uri")
+                    });
+                    _.each(_models, function(_model) {
+                        _this.renderer.highlightModel(_model);
+                    });
+                }
+            }).mouseout(function() {
+                _this.renderer.unhighlightAll();
+            }).on("mousemove", ".Rk-Bin-Item", function(e) {
+                try {
+                    this.dragDrop();
+                } catch (err) {}
+            }).on("touchstart", ".Rk-Bin-Item", function(e) {
+                elementDropped = false;
+            }).on("touchmove", ".Rk-Bin-Item", function(e) {
+                e.preventDefault();
+                var touch = e.originalEvent.changedTouches[0],
+                    off = _this.renderer.canvas_$.offset(),
+                    w = _this.renderer.canvas_$.width(),
+                    h = _this.renderer.canvas_$.height();
+                if (touch.pageX >= off.left && touch.pageX < (off.left + w) && touch.pageY >= off.top && touch.pageY < (off.top + h)) {
+                    if (elementDropped) {
+                        _this.renderer.onMouseMove(touch, true);
+                    } else {
+                        elementDropped = true;
+                        var div = document.createElement('div');
+                        div.appendChild(this.cloneNode(true));
+                        _this.renderer.dropData({
+                            "text/html": div.innerHTML
+                        }, touch);
+                        _this.renderer.onMouseDown(touch, true);
+                    }
+                }
+            }).on("touchend", ".Rk-Bin-Item", function(e) {
                 if (elementDropped) {
-                    _this.renderer.onMouseMove(touch, true);
-                } else {
-                    elementDropped = true;
-                    var div = document.createElement('div');
-                    div.appendChild(this.cloneNode(true));
-                    _this.renderer.dropData({"text/html": div.innerHTML}, touch);
-                    _this.renderer.onMouseDown(touch, true);
+                    _this.renderer.onMouseUp(e.originalEvent.changedTouches[0], true);
+                }
+                elementDropped = false;
+            }).on("dragstart", ".Rk-Bin-Item", function(e) {
+                var div = document.createElement('div');
+                div.appendChild(this.cloneNode(true));
+                try {
+                    e.originalEvent.dataTransfer.setData("text/html", div.innerHTML);
+                } catch (err) {
+                    e.originalEvent.dataTransfer.setData("text", div.innerHTML);
                 }
-            }
-        }).on("touchend", ".Rk-Bin-Item", function(e) {
-            if (elementDropped) {
-                _this.renderer.onMouseUp(e.originalEvent.changedTouches[0], true);
-            }
-            elementDropped = false;
-        }).on("dragstart", ".Rk-Bin-Item", function(e) {
-            var div = document.createElement('div');
-            div.appendChild(this.cloneNode(true));
-            try {
-                e.originalEvent.dataTransfer.setData("text/html",div.innerHTML);
-            }
-            catch(err) {
-                e.originalEvent.dataTransfer.setData("text",div.innerHTML);
-            }
+            });
+
+        }
+
+        Rkns.$(window).resize(function() {
+            _this.resizeBins();
+        });
+
+        var lastsearch = false,
+            lastval = '';
+
+        this.$.find(".Rk-Bins-Search-Input").on("change keyup paste input", function() {
+            var val = Rkns.$(this).val();
+            if (val === lastval) {
+                return;
+            }
+            var search = Rkns.Utils.regexpFromTextOrArray(val.length > 1 ? val : null);
+            if (search.source === lastsearch) {
+                return;
+            }
+            lastsearch = search.source;
+            _.each(_this.tabs, function(tab) {
+                tab.render(search);
+            });
+
+        });
+        this.$.find(".Rk-Bins-Search-Form").submit(function() {
+            return false;
         });
-        
-    }
-    
-    Rkns.$(window).resize(function() {
-        _this.resizeBins();
-    });
-    
-    var lastsearch = false, lastval = '';
-    
-    this.$.find(".Rk-Bins-Search-Input").on("change keyup paste input", function() {
-        var val = Rkns.$(this).val();
-        if (val === lastval) {
-            return;
+    };
+
+    Renkan.prototype.translate = function(_text) {
+        if (Rkns.i18n[this.options.language] && Rkns.i18n[this.options.language][_text]) {
+            return Rkns.i18n[this.options.language][_text];
+        }
+        if (this.options.language.length > 2 && Rkns.i18n[this.options.language.substr(0, 2)] && Rkns.i18n[this.options.language.substr(0, 2)][_text]) {
+            return Rkns.i18n[this.options.language.substr(0, 2)][_text];
         }
-        var search = Rkns.Utils.regexpFromTextOrArray(val.length > 1 ? val: null);
-        if (search.source === lastsearch) {
-            return;
+        return _text;
+    };
+
+    Renkan.prototype.onStatusChange = function() {
+        this.renderer.onStatusChange();
+    };
+
+    Renkan.prototype.setSearchEngine = function(_key) {
+        this.search_engine = this.search_engines[_key];
+        this.$.find(".Rk-Search-Current").attr("class", "Rk-Search-Current " + this.search_engine.getBgClass());
+        var listClasses = this.search_engine.getBgClass().split(" ");
+        var classes = "";
+        for (var i = 0; i < listClasses.length; i++) {
+            classes += "." + listClasses[i];
         }
-        lastsearch = search.source;
-        _(_this.tabs).each(function(tab) {
-            tab.render(search);
+        this.$.find(".Rk-Web-Search-Input.Rk-Search-Input").attr("placeholder", this.translate("Search in ") + this.$.find(".Rk-Search-List " + classes).html());
+    };
+
+    Renkan.prototype.resizeBins = function() {
+        var _d = +this.$.find(".Rk-Bins-Head").outerHeight();
+        this.$.find(".Rk-Bin-Title:visible").each(function() {
+            _d += Rkns.$(this).outerHeight();
+        });
+        this.$.find(".Rk-Bin-Main").css({
+            height: this.$.find(".Rk-Bins").height() - _d
+        });
+    };
+
+    /* Utility functions */
+    var getUUID4 = function() {
+        return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
+            var r = Math.random() * 16 | 0,
+                v = c === 'x' ? r : (r & 0x3 | 0x8);
+            return v.toString(16);
         });
-        
-    });
-    this.$.find(".Rk-Bins-Search-Form").submit(function() {
-        return false;
-    });
-    
-};
-
-Renkan.prototype.template = _.template(
-    '<% if (options.show_bins) { %><div class="Rk-Bins"><div class="Rk-Bins-Head"><h2 class="Rk-Bins-Title"><%- translate("Select contents:")%></h2>'
-    + '<form class="Rk-Web-Search-Form Rk-Search-Form"><input class="Rk-Web-Search-Input Rk-Search-Input" type="search" placeholder="<%- translate("Search the Web") %>" />'
-    + '<div class="Rk-Search-Select"><div class="Rk-Search-Current"></div><ul class="Rk-Search-List"></ul></div>'
-    + '<input type="submit" value="" class="Rk-Web-Search-Submit Rk-Search-Submit" title="<%- translate("Search the Web") %>" /></form>'
-    + '<form class="Rk-Bins-Search-Form Rk-Search-Form"><input class="Rk-Bins-Search-Input Rk-Search-Input" type="search" placeholder="<%- translate("Search in Bins") %>" />'
-    + '<input type="submit" value="" class="Rk-Bins-Search-Submit Rk-Search-Submit" title="<%- translate("Search in Bins") %>" /></form></div>'
-    + '<ul class="Rk-Bin-List"></ul></div><% } %>'
-    + '<% if (options.show_editor) { %><div class="Rk-Render Rk-Render-<% if (options.show_bins) { %>Panel<% } else { %>Full<% } %>"></div><% } %>'
-);
-
-Renkan.prototype.translate = function(_text) {
-    if (Rkns.i18n[this.options.language] && Rkns.i18n[this.options.language][_text]) {
-        return Rkns.i18n[this.options.language][_text];
-    }
-    if (this.options.language.length > 2 && Rkns.i18n[this.options.language.substr(0,2)] && Rkns.i18n[this.options.language.substr(0,2)][_text]) {
-        return Rkns.i18n[this.options.language.substr(0,2)][_text];
-    }
-    return _text;
-};
-
-Renkan.prototype.onStatusChange = function() {
-    this.renderer.onStatusChange();
-};
-
-Renkan.prototype.setSearchEngine = function(_key) {
-    this.search_engine = this.search_engines[_key];
-    this.$.find(".Rk-Search-Current").attr("class","Rk-Search-Current " + this.search_engine.getBgClass());
-};
-
-Renkan.prototype.resizeBins = function() {
-    var _d = + this.$.find(".Rk-Bins-Head").outerHeight();
-    this.$.find(".Rk-Bin-Title:visible").each(function() {
-        _d += Rkns.$(this).outerHeight();
-    });
-    this.$.find(".Rk-Bin-Main").css({
-        height: this.$.find(".Rk-Bins").height() - _d
-    });
-};
-
-/* Utility functions */
-
-Rkns.Utils = {
-    getUID : (function() {
-        function pad(n){
-            return n<10 ? '0'+n : n;
-        }
-        function fillrand(n) {
-            var _res = '';
-            for (var i=0; i<n; i++) {
-                _res += Math.floor(16*Math.random()).toString(16);
-            }
-            return _res;
-        }
-        var _d = new Date(),
-            ID_AUTO_INCREMENT = 0,
-            ID_BASE = _d.getUTCFullYear() + '-'  
-            + pad(_d.getUTCMonth()+1) + '-'  
-            + pad(_d.getUTCDate()) + '-'
-            + fillrand(16);
-        return function(_base) {
-            var _n = (++ID_AUTO_INCREMENT).toString(16),
-                _base = (typeof _base === "undefined" ? "" : _base + "-" );
-            while (_n.length < 4) { _n = '0' + _n; }
-            return _base + this._ID_BASE + '-' + _n;
-        }
-    })(),
-    getFullURL : function(url) {
-        
-        if(typeof(url) == 'undefined' || url == null ) {
-            return "";
-        }
-        if(/https?:\/\//.test(url)) {
-            return url;
+    };
+
+    Rkns.Utils = {
+        getUUID4: getUUID4,
+        getUID: (function() {
+            function pad(n) {
+                return n < 10 ? '0' + n : n;
+            }
+            var _d = new Date(),
+                ID_AUTO_INCREMENT = 0,
+                ID_BASE = _d.getUTCFullYear() + '-' +
+                pad(_d.getUTCMonth() + 1) + '-' +
+                pad(_d.getUTCDate()) + '-' +
+                getUUID4();
+            return function(_base) {
+                var _n = (++ID_AUTO_INCREMENT).toString(16),
+                    _uidbase = (typeof _base === "undefined" ? "" : _base + "-");
+                while (_n.length < 4) {
+                    _n = '0' + _n;
+                }
+                return _uidbase + ID_BASE + '-' + _n;
+            };
+        })(),
+        getFullURL: function(url) {
+
+            if (typeof(url) === 'undefined' || url == null) {
+                return "";
+            }
+            if (/https?:\/\//.test(url)) {
+                return url;
+            }
+            var img = new Image();
+            img.src = url;
+            var res = img.src;
+            img.src = null;
+            return res;
+
+        },
+        inherit: function(_baseClass, _callbefore) {
+
+            var _class = function(_arg) {
+                if (typeof _callbefore === "function") {
+                    _callbefore.apply(this, Array.prototype.slice.call(arguments, 0));
+                }
+                _baseClass.apply(this, Array.prototype.slice.call(arguments, 0));
+                if (typeof this._init === "function" && !this._initialized) {
+                    this._init.apply(this, Array.prototype.slice.call(arguments, 0));
+                    this._initialized = true;
+                }
+            };
+            _.extend(_class.prototype, _baseClass.prototype);
+
+            return _class;
+
+        },
+        regexpFromTextOrArray: (function() {
+            var charsub = [
+                    '[aáàâä]',
+                    '[cç]',
+                    '[eéèêë]',
+                    '[iíìîï]',
+                    '[oóòôö]',
+                    '[uùûü]'
+                ],
+                removeChars = [
+                    String.fromCharCode(768), String.fromCharCode(769), String.fromCharCode(770), String.fromCharCode(771), String.fromCharCode(807),
+                    "{", "}", "(", ")", "[", "]", "【", "】", "、", "・", "‥", "。", "「", "」", "『", "』", "〜", ":", "!", "?", " ",
+                    ",", " ", ";", "(", ")", ".", "*", "+", "\\", "?", "|", "{", "}", "[", "]", "^", "#", "/"
+                ],
+                remsrc = "[\\" + removeChars.join("\\") + "]",
+                remrx = new RegExp(remsrc, "gm"),
+                charsrx = _.map(charsub, function(c) {
+                    return new RegExp(c);
+                });
+
+            function replaceText(_text) {
+                var txt = _text.toLowerCase().replace(remrx, ""),
+                    src = "";
+
+                function makeReplaceFunc(l) {
+                    return function(k, v) {
+                        l = l.replace(charsrx[k], v);
+                    };
+                }
+                for (var j = 0; j < txt.length; j++) {
+                    if (j) {
+                        src += remsrc + "*";
+                    }
+                    var l = txt[j];
+                    _.each(charsub, makeReplaceFunc(l));
+                    src += l;
+                }
+                return src;
+            }
+
+            function getSource(inp) {
+                switch (typeof inp) {
+                    case "string":
+                        return replaceText(inp);
+                    case "object":
+                        var src = '';
+                        _.each(inp, function(v) {
+                            var res = getSource(v);
+                            if (res) {
+                                if (src) {
+                                    src += '|';
+                                }
+                                src += res;
+                            }
+                        });
+                        return src;
+                }
+                return '';
+            }
+
+            return function(_textOrArray) {
+                var source = getSource(_textOrArray);
+                if (source) {
+                    var testrx = new RegExp(source, "im"),
+                        replacerx = new RegExp('(' + source + ')', "igm");
+                    return {
+                        isempty: false,
+                        source: source,
+                        test: function(_t) {
+                            return testrx.test(_t);
+                        },
+                        replace: function(_text, _replace) {
+                            return _text.replace(replacerx, _replace);
+                        }
+                    };
+                } else {
+                    return {
+                        isempty: true,
+                        source: '',
+                        test: function() {
+                            return true;
+                        },
+                        replace: function(_text) {
+                            return text;
+                        }
+                    };
+                }
+            };
+        })(),
+        /* The minimum distance (in pixels) the mouse has to move to consider an element was dragged */
+        _MIN_DRAG_DISTANCE: 2,
+        /* Distance between the inner and outer radius of buttons that appear when hovering on a node */
+        _NODE_BUTTON_WIDTH: 40,
+
+        _EDGE_BUTTON_INNER: 2,
+        _EDGE_BUTTON_OUTER: 40,
+        /* Constants used to know if a specific action is to be performed when clicking on the canvas */
+        _CLICKMODE_ADDNODE: 1,
+        _CLICKMODE_STARTEDGE: 2,
+        _CLICKMODE_ENDEDGE: 3,
+        /* Node size step: Used to calculate the size change when clicking the +/- buttons */
+        _NODE_SIZE_STEP: Math.LN2 / 4,
+        _MIN_SCALE: 1 / 20,
+        _MAX_SCALE: 20,
+        _MOUSEMOVE_RATE: 80,
+        _DOUBLETAP_DELAY: 800,
+        /* Maximum distance in pixels (squared, to reduce calculations)
+         * between two taps when double-tapping on a touch terminal */
+        _DOUBLETAP_DISTANCE: 20 * 20,
+        /* A placeholder so a default colour is displayed when a node has a null value for its user property */
+        _USER_PLACEHOLDER: function(_renkan) {
+            return {
+                color: _renkan.options.default_user_color,
+                title: _renkan.translate("(unknown user)"),
+                get: function(attr) {
+                    return this[attr] || false;
+                }
+            };
+        },
+        /* The code for the "Drag and Add Bookmarklet", slightly minified and with whitespaces removed, though
+         * it doesn't seem that it's still a requirement in newer browsers (i.e. the ones compatibles with canvas drawing)
+         */
+        _BOOKMARKLET_CODE: function(_renkan) {
+            return "(function(a,b,c,d,e,f,h,i,j,k,l,m,n,o,p,q,r){a=document;b=a.body;c=a.location.href;j='draggable';m='text/x-iri-';d=a.createElement('div');d.innerHTML='<p_style=\"position:fixed;top:0;right:0;font:bold_18px_sans-serif;color:#fff;background:#909;padding:10px;z-index:100000;\">" +
+                _renkan.translate("Drag items from this website, drop them in Renkan").replace(/ /g, "_") +
+                "</p>'.replace(/_/g,String.fromCharCode(32));b.appendChild(d);e=[{r:/https?:\\/\\/[^\\/]*twitter\\.com\\//,s:'.tweet',n:'twitter'},{r:/https?:\\/\\/[^\\/]*google\\.[^\\/]+\\//,s:'.g',n:'google'},{r:/https?:\\/\\/[^\\/]*lemonde\\.fr\\//,s:'[data-vr-contentbox]',n:'lemonde'}];f=false;e.forEach(function(g){if(g.r.test(c)){f=g;}});if(f){h=function(){Array.prototype.forEach.call(a.querySelectorAll(f.s),function(i){i[j]=true;k=i.style;k.borderWidth='2px';k.borderColor='#909';k.borderStyle='solid';k.backgroundColor='rgba(200,0,180,.1)';})};window.setInterval(h,500);h();};a.addEventListener('dragstart',function(k){l=k.dataTransfer;l.setData(m+'source-uri',c);l.setData(m+'source-title',a.title);n=k.target;if(f){o=n;while(!o.attributes[j]){o=o.parentNode;if(o==b){break;}}}if(f&&o.attributes[j]){p=o.cloneNode(true);l.setData(m+'specific-site',f.n)}else{q=a.getSelection();if(q.type==='Range'||!q.type){p=q.getRangeAt(0).cloneContents();}else{p=n.cloneNode();}}r=a.createElement('div');r.appendChild(p);l.setData('text/x-iri-selected-text',r.textContent.trim());l.setData('text/x-iri-selected-html',r.innerHTML);},false);})();";
+        },
+        /* Shortens text to the required length then adds ellipsis */
+        shortenText: function(_text, _maxlength) {
+            return (_text.length > _maxlength ? (_text.substr(0, _maxlength) + '…') : _text);
+        },
+        /* Drawing an edit box with an arrow and positioning the edit box according to the position of the node/edge being edited
+         * Called by Rkns.Renderer.NodeEditor and Rkns.Renderer.EdgeEditor */
+        drawEditBox: function(_options, _coords, _path, _xmargin, _selector) {
+            _selector.css({
+                width: (_options.tooltip_width - 2 * _options.tooltip_padding)
+            });
+            var _height = _selector.outerHeight() + 2 * _options.tooltip_padding,
+                _isLeft = (_coords.x < paper.view.center.x ? 1 : -1),
+                _left = _coords.x + _isLeft * (_xmargin + _options.tooltip_arrow_length),
+                _right = _coords.x + _isLeft * (_xmargin + _options.tooltip_arrow_length + _options.tooltip_width),
+                _top = _coords.y - _height / 2;
+            if (_top + _height > (paper.view.size.height - _options.tooltip_margin)) {
+                _top = Math.max(paper.view.size.height - _options.tooltip_margin, _coords.y + _options.tooltip_arrow_width / 2) - _height;
+            }
+            if (_top < _options.tooltip_margin) {
+                _top = Math.min(_options.tooltip_margin, _coords.y - _options.tooltip_arrow_width / 2);
+            }
+            var _bottom = _top + _height;
+            /* jshint laxbreak:true */
+            _path.segments[0].point = _path.segments[7].point = _coords.add([_isLeft * _xmargin, 0]);
+            _path.segments[1].point.x = _path.segments[2].point.x = _path.segments[5].point.x = _path.segments[6].point.x = _left;
+            _path.segments[3].point.x = _path.segments[4].point.x = _right;
+            _path.segments[2].point.y = _path.segments[3].point.y = _top;
+            _path.segments[4].point.y = _path.segments[5].point.y = _bottom;
+            _path.segments[1].point.y = _coords.y - _options.tooltip_arrow_width / 2;
+            _path.segments[6].point.y = _coords.y + _options.tooltip_arrow_width / 2;
+            _path.fillColor = new paper.Color(new paper.Gradient([_options.tooltip_top_color, _options.tooltip_bottom_color]), [0, _top], [0, _bottom]);
+            _selector.css({
+                left: (_options.tooltip_padding + Math.min(_left, _right)),
+                top: (_options.tooltip_padding + _top)
+            });
+            return _path;
+        },
+        // from http://stackoverflow.com/a/6444043
+        increaseBrightness: function (hex, percent){
+            // strip the leading # if it's there
+            hex = hex.replace(/^\s*#|\s*$/g, '');
+
+            // convert 3 char codes --> 6, e.g. `E0F` --> `EE00FF`
+            if(hex.length === 3){
+                hex = hex.replace(/(.)/g, '$1$1');
+            }
+
+            var r = parseInt(hex.substr(0, 2), 16),
+                g = parseInt(hex.substr(2, 2), 16),
+                b = parseInt(hex.substr(4, 2), 16);
+
+            return '#' +
+               ((0|(1<<8) + r + (256 - r) * percent / 100).toString(16)).substr(1) +
+               ((0|(1<<8) + g + (256 - g) * percent / 100).toString(16)).substr(1) +
+               ((0|(1<<8) + b + (256 - b) * percent / 100).toString(16)).substr(1);
         }
-        var img = new Image();
-        img.src = url;
-        var res = img.src;
-        img.src = null;
-        return res;
-        
-    },
-    inherit : function(_baseClass, _callbefore) {
-        
-        var _class = function(_arg) {
-            if (typeof _callbefore === "function") {
-                _callbefore.apply(this, Array.prototype.slice.call(arguments, 0));
-            }
-            _baseClass.apply(this, Array.prototype.slice.call(arguments, 0));
-            if (typeof this._init == "function" && !this._initialized) {
-                this._init.apply(this, Array.prototype.slice.call(arguments, 0));
-                this._initialized = true;
-            }
-        };
-        _(_class.prototype).extend(_baseClass.prototype);
-        return _class;
-        
-    },
-    regexpFromTextOrArray: (function() {
-        var charsub = [
-                '[aáàâä]',
-                '[cç]',
-                '[eéèêë]',
-                '[iíìîï]',
-                '[oóòôö]',
-                '[uùûü]'
-            ],
-            removeChars = [
-                String.fromCharCode(768), String.fromCharCode(769), String.fromCharCode(770), String.fromCharCode(771), String.fromCharCode(807),
-                "{", "}", "(", ")", "[", "]", "【", "】", "、", "・", "‥", "。", "「", "」", "『", "』", "〜", ":", "!", "?", " ",
-                ",", " ", ";", "(", ")", ".", "*", "+", "\\", "?", "|", "{", "}", "[", "]", "^", "#", "/"
-            ],
-            remsrc = "[\\" + removeChars.join("\\") + "]",
-            remrx = new RegExp(remsrc, "gm"),
-            charsrx = _(charsub).map(function(c) {
-                return new RegExp(c);
-            });
-        
-        function replaceText(_text) {
-            var txt = _text.toLowerCase().replace(remrx,""), src = "";
-            for (var j = 0; j < txt.length; j++) {
-                if (j) {
-                    src += remsrc + "*";
-                }
-                var l = txt[j];
-                _(charsub).each(function(v, k) {
-                    l = l.replace(charsrx[k], v);
-                });
-                src += l;
-            }
-            return src;
-        }
-        
-        function getSource(inp) {
-            switch (typeof inp) {
-                case "string":
-                    return replaceText(inp);
-                case "object":
-                    var src = '';
-                    _(inp).each(function(v) {
-                        var res = getSource(v);
-                        if (res) {
-                            if (src) {
-                                src += '|';
-                            }
-                            src += res;
-                        }
-                    });
-                    return src;
-            }
-            return '';
-        }
-        
-        return function(_textOrArray) {
-            var source = getSource(_textOrArray);
-            if (source) {
-                var testrx = new RegExp( source, "im"),
-                    replacerx = new RegExp( '(' + source + ')', "igm")
-                return {
-                    isempty: false,
-                    source: source,
-                    test: function(_t) { return testrx.test(_t) },
-                    replace: function(_text, _replace) { return _text.replace(replacerx, _replace); }
-                }
-            } else {
-                return {
-                    isempty: true,
-                    source: '',
-                    test: function() { return true },
-                    replace: function(_text) { return text }
-                }
-            }
-        }
-    })()
-};
+    };
 })(window);
 
 /* END main.js */
-(function() {
+
+(function(root) {
     "use strict";
-    var root = this;
-        
+    
     var Backbone = root.Backbone;
     
+    var Router = root.Rkns.Router = Backbone.Router.extend({
+        routes: {
+            '': 'index'
+        },
+        
+        index: function (parameters) {
+            
+            var result = {};
+            if (parameters !== null){
+                parameters.split("&").forEach(function(part) {
+                    var item = part.split("=");
+                    result[item[0]] = decodeURIComponent(item[1]);
+                });
+            }
+            this.trigger('router', result);        
+        }  
+    });
+
+})(window);
+(function(root) {
+
+    "use strict";
+
+    var DataLoader = root.Rkns.DataLoader = {
+        converters: {
+            from1to2: function(data) {
+
+                var i, len;
+                if(typeof data.nodes !== 'undefined') {
+                    for(i=0, len=data.nodes.length; i<len; i++) {
+                        var node = data.nodes[i];
+                        if(node.color) {
+                            node.style = {
+                                color: node.color,
+                            };
+                        }
+                        else {
+                            node.style = {};
+                        }
+                    }
+                }
+                if(typeof data.edges !== 'undefined') {
+                    for(i=0, len=data.edges.length; i<len; i++) {
+                        var edge = data.edges[i];
+                        if(edge.color) {
+                            edge.style = {
+                                color: edge.color,
+                            };
+                        }
+                        else {
+                            edge.style = {};
+                        }
+                    }
+                }
+
+                data.schema_version = "2";
+
+                return data;
+            },
+        }
+    };
+
+
+    DataLoader.Loader = function(project, options) {
+        this.project = project;
+        this.dataConverters = _.defaults(options.converters || {}, DataLoader.converters);
+    };
+
+
+    DataLoader.Loader.prototype.convert = function(data) {
+        var schemaVersionFrom = this.project.getSchemaVersion(data);
+        var schemaVersionTo = this.project.getSchemaVersion();
+
+        if (schemaVersionFrom !== schemaVersionTo) {
+            var converterName = "from" + schemaVersionFrom + "to" + schemaVersionTo;
+            if (typeof this.dataConverters[converterName] === 'function') {
+                data = this.dataConverters[converterName](data);
+            }
+        }
+        return data;
+    };
+
+    DataLoader.Loader.prototype.load = function(data) {
+        this.project.set(this.convert(data), {
+            validate: true
+        });
+    };
+
+})(window);
+
+(function(root) {
+    "use strict";
+
+    var Backbone = root.Backbone;
+
     var Models = root.Rkns.Models = {};
-    
-    
+
     Models.getUID = function(obj) {
-        var guid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
-            var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
-            return v.toString(16);
-        });
-        return obj.type + "-" + guid; 
+        var guid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g,
+                function(c) {
+                    var r = Math.random() * 16 | 0, v = c === 'x' ? r
+                            : (r & 0x3 | 0x8);
+                    return v.toString(16);
+                });
+        if (typeof obj !== 'undefined') {
+            return obj.type + "-" + guid;
+        }
+        else {
+            return guid;
+        }
     };
-    
-    
+
     var RenkanModel = Backbone.RelationalModel.extend({
         idAttribute : "_id",
-        constructor: function(options) {
-            
+        constructor : function(options) {
+
             if (typeof options !== "undefined") {
                 options._id = options._id || options.id || Models.getUID(this);
                 options.title = options.title || "";
                 options.description = options.description || "";
                 options.uri = options.uri || "";
-                
-                if(typeof this.prepare === "function") {
+
+                if (typeof this.prepare === "function") {
                     options = this.prepare(options);
                 }
             }
             Backbone.RelationalModel.prototype.constructor.call(this, options);
         },
-        validate: function() {
-            if(!this.type) {
+        validate : function() {
+            if (!this.type) {
                 return "object has no type";
             }
         },
         addReference : function(_options, _propName, _list, _id, _default) {
             var _element = _list.get(_id);
-            if (typeof _element === "undefined" && typeof _default !== "undefined") {
-                _options[_propName ] = _default;
+            if (typeof _element === "undefined" &&
+                typeof _default !== "undefined") {
+                _options[_propName] = _default;
             }
             else {
-                _options[_propName ] = _element;
+                _options[_propName] = _element;
             }
         }
     });
-        
+
     // USER
     var User = Models.User = RenkanModel.extend({
-        type: "user",
-        prepare: function(options) {
+        type : "user",
+        prepare : function(options) {
             options.color = options.color || "#666666";
             return options;
         },
-        toJSON: function() {
+        toJSON : function() {
             return {
-                _id: this.get("_id"),
-                title: this.get("title"),
-                uri: this.get("uri"),
-                description: this.get("description"),
-                color: this.get("color")
+                _id : this.get("_id"),
+                title : this.get("title"),
+                uri : this.get("uri"),
+                description : this.get("description"),
+                color : this.get("color")
             };
         }
     });
-    
+
     // NODE
     var Node = Models.Node = RenkanModel.extend({
-        type: "node",
-        relations: [{
-            type: Backbone.HasOne,
-            key: "created_by",
-            relatedModel: User
-        }],
-        prepare: function(options) {
+        type : "node",
+        relations : [ {
+            type : Backbone.HasOne,
+            key : "created_by",
+            relatedModel : User
+        } ],
+        prepare : function(options) {
             var project = options.project;
-            this.addReference(options, "created_by", project.get("users"), options.created_by, project.current_user);
+            this.addReference(options, "created_by", project.get("users"),
+                    options.created_by, project.current_user);
             options.description = options.description || "";
             return options;
         },
-        toJSON: function() {
+        toJSON : function() {
             return {
-                _id: this.get("_id"),
-                title: this.get("title"),
-                uri: this.get("uri"),
-                description: this.get("description"),
-                position: this.get("position"),
-                image: this.get("image"),
-                color: this.get("color"),
-                created_by: this.get("created_by") ? this.get("created_by").get("_id") : null,
-                size: this.get("size"),
-                "clip-path": this.get("clip-path")
+                _id : this.get("_id"),
+                title : this.get("title"),
+                uri : this.get("uri"),
+                description : this.get("description"),
+                position : this.get("position"),
+                image : this.get("image"),
+                style : this.get("style"),
+                created_by : this.get("created_by") ? this.get("created_by")
+                        .get("_id") : null,
+                size : this.get("size"),
+                clip_path : this.get("clip_path"),
+                shape : this.get("shape"),  
+                type : this.get("type")
             };
         }
     });
-    
+
     // EDGE
     var Edge = Models.Edge = RenkanModel.extend({
-        type: "edge",
-        relations: [
-          {
-            type: Backbone.HasOne,
-            key: "created_by",
-            relatedModel: User
-          },
-          {
-            type: Backbone.HasOne,
-            key: "from",
-            relatedModel: Node
-          },
-          {
-            type: Backbone.HasOne,
-            key: "to",
-            relatedModel: Node
-          }
-        ],
-        prepare: function(options) {
+        type : "edge",
+        relations : [ {
+            type : Backbone.HasOne,
+            key : "created_by",
+            relatedModel : User
+        }, {
+            type : Backbone.HasOne,
+            key : "from",
+            relatedModel : Node
+        }, {
+            type : Backbone.HasOne,
+            key : "to",
+            relatedModel : Node
+        } ],
+        prepare : function(options) {
             var project = options.project;
-            this.addReference(options, "created_by", project.get("users"), options.created_by, project.current_user);
-            this.addReference(options, "from", project.get("nodes"), options.from);
+            this.addReference(options, "created_by", project.get("users"),
+                    options.created_by, project.current_user);
+            this.addReference(options, "from", project.get("nodes"),
+                    options.from);
             this.addReference(options, "to", project.get("nodes"), options.to);
             return options;
         },
-        toJSON: function() {
+        toJSON : function() {
             return {
-                _id: this.get("_id"),
-                title: this.get("title"),
-                uri: this.get("uri"),
-                description: this.get("description"),
-                from: this.get("from") ? this.get("from").get("_id") : null,
-                to: this.get("to") ? this.get("to").get("_id") : null,
-                color: this.get("color"),
-                created_by: this.get("created_by") ? this.get("created_by").get("_id") : null
+                _id : this.get("_id"),
+                title : this.get("title"),
+                uri : this.get("uri"),
+                description : this.get("description"),
+                from : this.get("from") ? this.get("from").get("_id") : null,
+                to : this.get("to") ? this.get("to").get("_id") : null,
+                style : this.get("style"),
+                created_by : this.get("created_by") ? this.get("created_by")
+                        .get("_id") : null
             };
         }
     });
-        
+
+    // View
+    var View = Models.View = RenkanModel.extend({
+        type : "view",
+        relations : [ {
+            type : Backbone.HasOne,
+            key : "created_by",
+            relatedModel : User
+        } ],
+        prepare : function(options) {
+            var project = options.project;
+            this.addReference(options, "created_by", project.get("users"),
+                    options.created_by, project.current_user);
+            options.description = options.description || "";
+            if (typeof options.offset !== "undefined") {
+                var offset = {};
+                if (Array.isArray(options.offset)) {
+                    offset.x = options.offset[0];
+                    offset.y = options.offset.length > 1 ? options.offset[1]
+                            : options.offset[0];
+                }
+                else if (options.offset.x != null) {
+                    offset.x = options.offset.x;
+                    offset.y = options.offset.y;
+                }
+                options.offset = offset;
+            }
+            return options;
+        },
+        toJSON : function() {
+            return {
+                _id : this.get("_id"),
+                zoom_level : this.get("zoom_level"),
+                offset : this.get("offset"),
+                title : this.get("title"),
+                description : this.get("description"),
+                created_by : this.get("created_by") ? this.get("created_by")
+                        .get("_id") : null,
+                hidden_nodes: this.get("hidden_nodes")
+            // Don't need project id
+            };
+        }
+    });
+
     // PROJECT
     var Project = Models.Project = RenkanModel.extend({
-        type: "project",
-        relations: [
-          {
-            type: Backbone.HasMany,
-            key: "users",
-            relatedModel: User,
-            reverseRelation: {
-                key: 'project',
-                includeInJSON: '_id'
-            }
-          },
-          {
-            type: Backbone.HasMany,
-            key: "nodes",
-            relatedModel: Node,
-            reverseRelation: {
-                key: 'project',
-                includeInJSON: '_id'
-            }
-          },
-          {
-            type: Backbone.HasMany,
-            key: "edges",
-            relatedModel: Edge,
-            reverseRelation: {
-                key: 'project',
-                includeInJSON: '_id'
-            }
-          }
-        ],
-        addUser: function(_props, _options) {
+        schema_version : "2",
+        type : "project",
+        blacklist : [ 'saveStatus', 'loadingStatus'],
+        relations : [ {
+            type : Backbone.HasMany,
+            key : "users",
+            relatedModel : User,
+            reverseRelation : {
+                key : 'project',
+                includeInJSON : '_id'
+            }
+        }, {
+            type : Backbone.HasMany,
+            key : "nodes",
+            relatedModel : Node,
+            reverseRelation : {
+                key : 'project',
+                includeInJSON : '_id'
+            }
+        }, {
+            type : Backbone.HasMany,
+            key : "edges",
+            relatedModel : Edge,
+            reverseRelation : {
+                key : 'project',
+                includeInJSON : '_id'
+            }
+        }, {
+            type : Backbone.HasMany,
+            key : "views",
+            relatedModel : View,
+            reverseRelation : {
+                key : 'project',
+                includeInJSON : '_id'
+            }
+        } ],
+        addUser : function(_props, _options) {
             _props.project = this;
             var _user = User.findOrCreate(_props);
             this.get("users").push(_user, _options);
             return _user;
         },
-        addNode: function(_props, _options) {
-            _props.project = this;            
+        addNode : function(_props, _options) {
+            _props.project = this;
             var _node = Node.findOrCreate(_props);
             this.get("nodes").push(_node, _options);
             return _node;
         },
-        addEdge: function(_props, _options) {
+        addEdge : function(_props, _options) {
             _props.project = this;
             var _edge = Edge.findOrCreate(_props);
             this.get("edges").push(_edge, _options);
             return _edge;
         },
-        removeNode: function(_model) {
+        addView : function(_props, _options) {
+            _props.project = this;
+            // TODO: check if need to replace with create only
+            var _view = View.findOrCreate(_props);
+            // TODO: Should we remember only one view?
+            this.get("views").push(_view, _options);
+            return _view;
+        },
+        removeNode : function(_model) {
             this.get("nodes").remove(_model);
         },
-        removeEdge: function(_model) {
+        removeEdge : function(_model) {
             this.get("edges").remove(_model);
         },
-        validate: function(options) {
+        validate : function(options) {
             var _project = this;
-            _(options.users).each(function(_item) {
-                _item.project = _project;
-            });
-            _(options.nodes).each(function(_item) {
-                _item.project = _project;
-            });
-            _(options.edges).each(function(_item) {
-                _item.project = _project;
-            });
+            _.each(
+              [].concat(options.users, options.nodes, options.edges,options.views),
+              function(_item) {
+                if (_item) {
+                    _item.project = _project;
+                }
+              }
+            );
+        },
+        getSchemaVersion : function(data) {
+          var t = data;
+          if(typeof(t) === "undefined") {
+            t = this;
+          }
+          var version = t.schema_version;
+          if(!version) {
+            return 1;
+          }
+          else {
+            return version;
+          }
         },
         // Add event handler to remove edges when a node is removed
-        initialize: function() {
+        initialize : function() {
             var _this = this;
             this.on("remove:nodes", function(_node) {
                 _this.get("edges").remove(
-                    _this.get("edges").filter(function(_edge) {
-                        return _edge.get("from") == _node || _edge.get("to") == _node;
-                    })
-                );
+                        _this.get("edges").filter(
+                                function(_edge) {
+                                    return _edge.get("from") === _node ||
+                                           _edge.get("to") === _node;
+                                }));
             });
+        },
+        toJSON : function() {
+            var json = _.clone(this.attributes);
+            for ( var attr in json) {
+                if ((json[attr] instanceof Backbone.Model) ||
+                        (json[attr] instanceof Backbone.Collection) ||
+                        (json[attr] instanceof RenkanModel)) {
+                    json[attr] = json[attr].toJSON();
+                }
+            }
+            return _.omit(json, this.blacklist);
         }
     });
-    
-    var RosterUser = Models.RosterUser = Backbone.Model.extend({
-        type: "roster_user",               
-        idAttribute : "_id",
-        
-        constructor: function(options) {
-            
-            if (typeof options !== "undefined") {
-                options._id = options._id || options.id || Models.getUID(this);
-                options.title = options.title || "(untitled " + this.type + ")";
-                options.description = options.description || "";
-                options.uri = options.uri || "";
-                options.project = options.project || null;
-                options.site_id = options.site_id || 0;
-                
-                if(typeof this.prepare === "function") {
-                    options = this.prepare(options);
+
+    var RosterUser = Models.RosterUser = Backbone.Model
+            .extend({
+                type : "roster_user",
+                idAttribute : "_id",
+
+                constructor : function(options) {
+
+                    if (typeof options !== "undefined") {
+                        options._id = options._id ||
+                            options.id ||
+                            Models.getUID(this);
+                        options.title = options.title || "(untitled " + this.type + ")";
+                        options.description = options.description || "";
+                        options.uri = options.uri || "";
+                        options.project = options.project || null;
+                        options.site_id = options.site_id || 0;
+
+                        if (typeof this.prepare === "function") {
+                            options = this.prepare(options);
+                        }
+                    }
+                    Backbone.Model.prototype.constructor.call(this, options);
+                },
+
+                validate : function() {
+                    if (!this.type) {
+                        return "object has no type";
+                    }
+                },
+
+                prepare : function(options) {
+                    options.color = options.color || "#666666";
+                    return options;
+                },
+
+                toJSON : function() {
+                    return {
+                        _id : this.get("_id"),
+                        title : this.get("title"),
+                        uri : this.get("uri"),
+                        description : this.get("description"),
+                        color : this.get("color"),
+                        project : (this.get("project") != null) ? this.get(
+                                "project").get("id") : null,
+                        site_id : this.get("site_id")
+                    };
                 }
-            }
-            Backbone.Model.prototype.constructor.call(this, options);
-        },
-        
-        validate: function() {
-            if(!this.type) {
-                return "object has no type";
-            }
-        },
-        
-        prepare: function(options) {
-            options.color = options.color || "#666666";
-            return options;
-        },
-        
-        toJSON: function() {
-            return {
-                _id: this.get("_id"),
-                title: this.get("title"),
-                uri: this.get("uri"),
-                description: this.get("description"),
-                color: this.get("color"),
-                project: (this.get("project") != null)?this.get("project").get("id"):null,
-                site_id: this.get("site_id")
-            };
-        }
+            });
+
+    var UsersList = Models.UsersList = Backbone.Collection.extend({
+        model : RosterUser
     });
-    
-    var UsersList = Models.UsersList = Backbone.Collection.extend({
-        model: RosterUser
-    });
-    
-
-}).call(window);
+
+})(window);
 
 Rkns.defaults = {
-    
+
     language: (navigator.language || navigator.userLanguage || "en"),
         /* GUI Language */
     container: "renkan",
@@ -765,6 +1912,10 @@
            /* List of Bins */
     static_url: "",
         /* URL for static resources */
+    popup_editor: true,
+        /* show the node editor as a popup inside the renkan view */
+    editor_panel: 'editor-panel',
+        /* GUI continer DOM element ID of the editor panel */
     show_bins: true,
         /* Show bins in left column */
     properties: [],
@@ -775,12 +1926,12 @@
         /* Allows editing of renkan without changing the rest of the GUI. Can be switched on/off on the fly to block/enable editing */
     editor_mode: true,
         /* Switch for Publish/Edit GUI. If editor_mode is false, read_only will be true.  */
-    snapshot_mode: false,
+    manual_save: false,
         /* In snapshot mode, clicking on the floppy will save a snapshot. Otherwise, it will show the connection status */
     show_top_bar: true,
         /* Show the top bar, (title, buttons, users) */
     default_user_color: "#303030",
-    size_bug_fix: true,
+    size_bug_fix: false,
         /* Resize the canvas after load (fixes a bug on iPad and FF Mac) */
     force_resize: false,
     allow_double_click: true,
@@ -791,13 +1942,30 @@
         /* Delay between clicking on the bin on an element and really deleting it
            Set to 0 for delete confirm */
     autoscale_padding: 50,
+    resize: true,
+
+    /* zoom options */
+    show_zoom: true,
+        /* show zoom buttons */
+    save_view: true,
+        /* show buttons to save view */
+    default_view: false,
+        /* Allows to load default view (zoom+offset) at start on read_only mode, instead of autoScale. the default_view will be the last */
+    default_index_view: -1,
     
+    /* URL parsing */
+    update_url:true,
+        /* update the url each time the paper shift or on zoom in/out, with the serialized view (offset and scale) */
+    
+
     /* TOP BAR BUTTONS */
     show_search_field: true,
     show_user_list: true,
     user_name_editable: true,
     user_color_editable: true,
+    show_user_color: true,
     show_save_button: true,
+    show_export_button: true,
     show_open_button: false,
     show_addnode_button: true,
     show_addedge_button: true,
@@ -805,9 +1973,9 @@
     show_fullscreen_button: true,
     home_button_url: false,
     home_button_title: "Home",
-    
+
     /* MINI-MAP OPTIONS */
-    
+
     show_minimap: true,
         /* Show a small map at the bottom right */
     minimap_width: 160,
@@ -817,15 +1985,21 @@
     minimap_border_color: "#cccccc",
     minimap_highlight_color: "#ffff00",
     minimap_highlight_weight: 5,
-    
+
+
     /* EDGE/NODE COMMON OPTIONS */
-       
+
     buttons_background: "#202020",
     buttons_label_color: "#c000c0",
     buttons_label_font_size: 9,
-    
+
+    ghost_opacity : 0.3,
+        /* opacity when the hidden element is revealed */
+    default_dash_array : [4, 5],
+        /* dash line genometry */
+
     /* NODE DISPLAY OPTIONS */
-    
+
     show_node_circles: true,
         /* Show circles for nodes */
     clip_node_images: true,
@@ -835,7 +2009,10 @@
            Set to true for "crop" (adapted to fill circle) */
     node_size_base: 25,
     node_stroke_width: 2,
+    node_stroke_max_width: 12,
     selected_node_stroke_width: 4,
+    selected_node_stroke_max_width: 24,
+    node_stroke_witdh_scale: 5,
     node_fill_color: "#ffffff",
     highlighted_node_fill_color: "#ffff00",
     node_label_distance: 5,
@@ -844,20 +2021,38 @@
         /* Maximum displayed text length */
     label_untitled_nodes: "(untitled)",
         /* Label to display on untitled nodes */
-    
+    hide_nodes: true,
+        /* allow hide/show nodes */
+    change_shapes: true,
+        /* Change shapes enabled */
+    change_types: true,
+    /* Change type enabled */
+
+    /* NODE EDITOR TEMPLATE*/
+
+    node_editor_templates: {
+        "default": "templates/nodeeditor_readonly.html",
+        "video": "templates/nodeeditor_video.html"
+    },
+
     /* EDGE DISPLAY OPTIONS */
-    
+
     edge_stroke_width: 2,
+    edge_stroke_max_width: 12,
     selected_edge_stroke_width: 4,
+    selected_edge_stroke_max_width: 24,
+    edge_stroke_witdh_scale: 5,
+
     edge_label_distance: 0,
     edge_label_max_length: 20,
     edge_arrow_length: 18,
     edge_arrow_width: 12,
+    edge_arrow_max_width: 32,
     edge_gap_in_bundles: 12,
     label_untitled_edges: "",
-    
+
     /* CONTEXTUAL DISPLAY (TOOLTIP OR EDITOR) OPTIONS */
-   
+
     tooltip_width: 275,
     tooltip_padding: 10,
     tooltip_margin: 15,
@@ -867,43 +2062,63 @@
     tooltip_bottom_color: "#d0d0d0",
     tooltip_border_color: "#808080",
     tooltip_border_width: 1,
-    
+    tooltip_opacity: 0.8,
+
+    richtext_editor_config: {
+        toolbarGroups: [
+            { name: 'basicstyles', groups: [ 'basicstyles', 'cleanup' ] },
+            { name: 'clipboard',   groups: [ 'clipboard', 'undo' ] },
+            '/',
+	        { name: 'styles'},
+        ],
+        removePlugins : 'colorbutton,find,flash,font,forms,iframe,image,newpage,smiley,specialchar,stylescombo,templates',
+    },
+
     /* NODE EDITOR OPTIONS */
-    
+
     show_node_editor_uri: true,
     show_node_editor_description: true,
+    show_node_editor_description_richtext: true,
     show_node_editor_size: true,
-    show_node_editor_color: true,
+    show_node_editor_style: true,
+    show_node_editor_style_color: true,
+    show_node_editor_style_dash: true,
+    show_node_editor_style_thickness: true,
     show_node_editor_image: true,
     show_node_editor_creator: true,
+    allow_image_upload: true,
     uploaded_image_max_kb: 500,
-    
+
+
     /* NODE TOOLTIP OPTIONS */
-    
+
     show_node_tooltip_uri: true,
     show_node_tooltip_description: true,
     show_node_tooltip_color: true,
     show_node_tooltip_image: true,
     show_node_tooltip_creator: true,
-    
+
     /* EDGE EDITOR OPTIONS */
-    
+
     show_edge_editor_uri: true,
-    show_edge_editor_color: true,
+    show_edge_editor_style: true,
+    show_edge_editor_style_color: true,
+    show_edge_editor_style_dash: true,
+    show_edge_editor_style_thickness: true,
+    show_edge_editor_style_arrow: true,
     show_edge_editor_direction: true,
     show_edge_editor_nodes: true,
     show_edge_editor_creator: true,
-    
+
     /* EDGE TOOLTIP OPTIONS */
-    
+
     show_edge_tooltip_uri: true,
     show_edge_tooltip_color: true,
     show_edge_tooltip_nodes: true,
-    show_edge_tooltip_creator: true
-    
-    /* */
-    
+    show_edge_tooltip_creator: true,
+
 };
+
 Rkns.i18n = {
     fr: {
         "Edit Node": "Édition d’un nœud",
@@ -944,6 +2159,9 @@
         "Lignes de Temps": "Lignes de Temps",
         "Loading, please wait": "Chargement en cours, merci de patienter",
         "Edge color:": "Couleur :",
+        "Dash:": "Point. :",
+        "Thickness:": "Epaisseur :",
+        "Arrow:": "Flèche :",
         "Node color:": "Couleur :",
         "Choose color": "Choisir une couleur",
         "Change edge direction": "Changer le sens du lien",
@@ -978,2761 +2196,185 @@
         "(untitled)": "(sans titre)",
         "Select contents:": "Sélectionner des contenus :",
         "Drag items from this website, drop them in Renkan": "Glissez des éléments de ce site web vers Renkan",
-        "Drag this button to your bookmark bar. When on a third-party website, click it to enable drag-and-drop from the website to Renkan.": "Glissez ce bouton vers votre barre de favoris. Ensuite, depuis un site tiers, cliquez dessus pour activer 'Drag-to-Add' puis glissez des éléments de ce site vers Renkan"
-    }
-};
-/* paper-renderer.js */
-
-(function(root) {
-
-"use strict";
-
-var Rkns = root.Rkns,
-    _ = Rkns._,
-    $ = Rkns.$;
-
-/* Rkns.Renderer Object */
-
-/* This object contains constants, utility functions and classes for Renkan's Graph Manipulation GUI */
-
-var Renderer = Rkns.Renderer = {},
-        /* The minimum distance (in pixels) the mouse has to move to consider an element was dragged */
-    _MIN_DRAG_DISTANCE = 2,
-        /* Distance between the inner and outer radius of buttons that appear when hovering on a node */
-    _NODE_BUTTON_WIDTH = 40,
-    _EDGE_BUTTON_INNER = 2,
-    _EDGE_BUTTON_OUTER = 40,
-        /* Constants used to know if a specific action is to be performed when clicking on the canvas */
-    _CLICKMODE_ADDNODE = 1,
-    _CLICKMODE_STARTEDGE = 2,
-    _CLICKMODE_ENDEDGE = 3,
-        /* Node size step: Used to calculate the size change when clicking the +/- buttons */
-    _NODE_SIZE_STEP = Math.LN2/4,
-    _MIN_SCALE = 1/20,
-    _MAX_SCALE = 20,
-    _MOUSEMOVE_RATE = 80,
-    _DOUBLETAP_DELAY = 800,
-        /* Maximum distance in pixels (squared, to reduce calculations)
-         * between two taps when double-tapping on a touch terminal */
-    _DOUBLETAP_DISTANCE = 20*20,
-        /* A placeholder so a default colour is displayed when a node has a null value for its user property */
-    _USER_PLACEHOLDER = function(_renkan) {
-        return {
-            color: _renkan.options.default_user_color,
-            title: _renkan.translate("(unknown user)"),
-            get: function(attr) {
-                return this[attr] || false;
-            }
-        };
-    },
-        /* The code for the "Drag and Add Bookmarklet", slightly minified and with whitespaces removed, though
-         * it doesn't seem that it's still a requirement in newer browsers (i.e. the ones compatibles with canvas drawing)
-         */
-    _BOOKMARKLET_CODE = function(_renkan) {
-        return "(function(a,b,c,d,e,f,h,i,j,k,l,m,n,o,p,q,r){a=document;b=a.body;c=a.location.href;j='draggable';m='text/x-iri-';d=a.createElement('div');d.innerHTML='<p_style=\"position:fixed;top:0;right:0;font:bold_18px_sans-serif;color:#fff;background:#909;padding:10px;z-index:100000;\">"
-        + _renkan.translate("Drag items from this website, drop them in Renkan").replace(/ /g,"_")
-        + "</p>'.replace(/_/g,String.fromCharCode(32));b.appendChild(d);e=[{r:/https?:\\/\\/[^\\/]*twitter\\.com\\//,s:'.tweet',n:'twitter'},{r:/https?:\\/\\/[^\\/]*google\\.[^\\/]+\\//,s:'.g',n:'google'},{r:/https?:\\/\\/[^\\/]*lemonde\\.fr\\//,s:'[data-vr-contentbox]',n:'lemonde'}];f=false;e.forEach(function(g){if(g.r.test(c)){f=g;}});if(f){h=function(){Array.prototype.forEach.call(a.querySelectorAll(f.s),function(i){i[j]=true;k=i.style;k.borderWidth='2px';k.borderColor='#909';k.borderStyle='solid';k.backgroundColor='rgba(200,0,180,.1)';})};window.setInterval(h,500);h();};a.addEventListener('dragstart',function(k){l=k.dataTransfer;l.setData(m+'source-uri',c);l.setData(m+'source-title',a.title);n=k.target;if(f){o=n;while(!o.attributes[j]){o=o.parentNode;if(o==b){break;}}}if(f&&o.attributes[j]){p=o.cloneNode(true);l.setData(m+'specific-site',f.n)}else{q=a.getSelection();if(q.type==='Range'||!q.type){p=q.getRangeAt(0).cloneContents();}else{p=n.cloneNode();}}r=a.createElement('div');r.appendChild(p);l.setData('text/x-iri-selected-text',r.textContent.trim());l.setData('text/x-iri-selected-html',r.innerHTML);},false);})();";
-    },
-        /* Shortens text to the required length then adds ellipsis */
-    shortenText = function(_text, _maxlength) {
-        return (_text.length > _maxlength ? (_text.substr(0,_maxlength) + '…') : _text);
-    },
-        /* Drawing an edit box with an arrow and positioning the edit box according to the position of the node/edge being edited
-         * Called by Rkns.Renderer.NodeEditor and Rkns.Renderer.EdgeEditor */
-    drawEditBox = function(_options, _coords, _path, _xmargin, _selector) {
-        _selector.css({
-            width: ( _options.tooltip_width - 2* _options.tooltip_padding )
-        });
-        var _height = _selector.outerHeight() + 2* _options.tooltip_padding,
-            _isLeft = (_coords.x < paper.view.center.x ? 1 : -1),
-            _left = _coords.x + _isLeft * ( _xmargin + _options.tooltip_arrow_length ),
-            _right = _coords.x + _isLeft * ( _xmargin + _options.tooltip_arrow_length + _options.tooltip_width ),
-            _top = _coords.y - _height / 2;
-        if (_top + _height > (paper.view.size.height - _options.tooltip_margin)) {
-            _top = Math.max( paper.view.size.height - _options.tooltip_margin, _coords.y + _options.tooltip_arrow_width / 2 ) - _height;
-        }
-        if (_top < _options.tooltip_margin) {
-            _top = Math.min( _options.tooltip_margin, _coords.y - _options.tooltip_arrow_width / 2 );
-        }
-        var _bottom = _top + _height;
-        _path.segments[0].point
-            = _path.segments[7].point
-            = _coords.add([_isLeft * _xmargin, 0]);
-        _path.segments[1].point.x
-            = _path.segments[2].point.x
-            = _path.segments[5].point.x
-            = _path.segments[6].point.x
-            = _left;
-        _path.segments[3].point.x
-            = _path.segments[4].point.x
-            = _right;
-        _path.segments[2].point.y
-            = _path.segments[3].point.y
-            = _top;
-        _path.segments[4].point.y
-            = _path.segments[5].point.y
-            = _bottom;
-        _path.segments[1].point.y = _coords.y - _options.tooltip_arrow_width / 2;
-        _path.segments[6].point.y = _coords.y + _options.tooltip_arrow_width / 2;
-        _path.closed = true;
-        _path.fillColor = new paper.GradientColor(new paper.Gradient([_options.tooltip_top_color, _options.tooltip_bottom_color]), [0,_top], [0, _bottom]);
-        _selector.css({
-            left: (_options.tooltip_padding + Math.min(_left, _right)),
-            top: (_options.tooltip_padding + _top)
-        });
-        return _path;
-    };
-
-/* Rkns.Renderer._BaseRepresentation Class */
-
-/* In Renkan, a "Representation" is a sort of ViewModel (in the MVVM paradigm) and bridges the gap between
- * models (written with Backbone.js) and the view (written with Paper.js)
- * Renkan's representations all inherit from Rkns.Renderer._BaseRepresentation '*/
-
-var _BaseRepresentation = Renderer._BaseRepresentation = function(_renderer, _model) {
-    if (typeof _renderer !== "undefined") {
-        this.renderer = _renderer;
-        this.renkan = _renderer.renkan;
-        this.project = _renderer.renkan.project;
-        this.options = _renderer.renkan.options;
-        this.model = _model;
-        if (this.model) {
-            var _this = this;
-            this._changeBinding = function() {
-                _this.redraw();
-            };
-            this._removeBinding = function() {
-                _renderer.removeRepresentation(_this);
-                _(function() {
-                    _renderer.redraw();
-                }).defer();
-            };
-            this._selectBinding = function() {
-                _this.select();
-            };
-            this._unselectBinding = function() {
-                _this.unselect();
-            };
-            this.model.on("change", this._changeBinding );
-            this.model.on("remove", this._removeBinding );
-            this.model.on("select", this._selectBinding );
-            this.model.on("unselect", this._unselectBinding );
-        }
+        "Drag this button to your bookmark bar. When on a third-party website, click it to enable drag-and-drop from the website to Renkan.": "Glissez ce bouton vers votre barre de favoris. Ensuite, depuis un site tiers, cliquez dessus pour activer 'Drag-to-Add' puis glissez des éléments de ce site vers Renkan",
+        "Shapes available": "Formes disponibles",
+        "Circle": "Cercle",
+        "Square": "Carré",
+        "Diamond": "Losange",
+        "Hexagone": "Hexagone",
+        "Ellipse": "Ellipse",
+        "Star": "Étoile",
+        "Cloud": "Nuage",
+        "Triangle": "Triangle",
+        "Zoom Fit": "Ajuster le Zoom",
+        "Download Project": "Télécharger le projet",
+        "Save view": "Sauver la vue",
+        "View saved view": "Restaurer la Vue",
+        "Renkan \'Drag-to-Add\' bookmarklet": "Renkan \'Deplacer-Pour-Ajouter\' Signet",
+        "(unknown user)":"(non authentifié)",
+        "<unknown user>":"<non authentifié>",
+        "Search in graph":"Rechercher dans carte",
+        "Search in " : "Chercher dans "
     }
 };
 
-/* Rkns.Renderer._BaseRepresentation Methods */
-
-_(_BaseRepresentation.prototype).extend({
-    _super: function(_func) {
-        return _BaseRepresentation.prototype[_func].apply(this, Array.prototype.slice.call(arguments, 1));
-    },
-    redraw: function() {},
-    moveTo: function() {},
-    show: function() {},
-    hide: function() {},
-    select: function() {
-        if (this.model) {
-            this.model.trigger("selected");
-        }
-    },
-    unselect: function() {
-        if (this.model) {
-            this.model.trigger("unselected");
-        }
-    },
-    highlight: function() {},
-    unhighlight: function() {},
-    mousedown: function() {},
-    mouseup: function() {
-        if (this.model) {
-            this.model.trigger("clicked");
-        }
-    },
-    destroy: function() {
-        if (this.model) {
-            this.model.off("change", this._changeBinding );
-            this.model.off("remove", this._removeBinding );
-            this.model.off("select", this._selectBinding );
-            this.model.off("unselect", this._unselectBinding );
-        }
-    }
-});
-
-/* End of Rkns.Renderer._BaseRepresentation Class */
-
-/* Rkns.Renderer._BaseButton Class */
-
-/* BaseButton is extended by contextual buttons that appear when hovering on nodes and edges */
-
-var _BaseButton = Renderer._BaseButton = Rkns.Utils.inherit(_BaseRepresentation);
-
-_(_BaseButton.prototype).extend({
-moveTo: function(_pos) {
-    this.sector.moveTo(_pos);
-},
-show: function() {
-    this.sector.show();
-},
-hide: function() {
-    this.sector.hide();
-},
-select: function() {
-    this.sector.select();
-},
-unselect: function(_newTarget) {
-    this.sector.unselect();
-    if (!_newTarget || (_newTarget !== this.source_representation && _newTarget.source_representation !== this.source_representation)) {
-        this.source_representation.unselect();
-    }
-},
-destroy: function() {
-    this.sector.destroy();
-}
-});
-
-/* End of Rkns.Renderer._BaseButton Class */
-
-/* Rkns.Renderer.Node Class */
-
-/* The representation for the node : A circle, with an image inside and a text label underneath.
- * The circle and the image are drawn on canvas and managed by Paper.js.
- * The text label is an HTML node, managed by jQuery. */
-
-var NodeRepr = Renderer.Node = Rkns.Utils.inherit(_BaseRepresentation);
-
-_(NodeRepr.prototype).extend({
-_init: function() {
-    this.renderer.node_layer.activate();
-    this.type = "Node";
-    this.circle = new paper.Path.Circle([0, 0], 1);
-    this.circle.__representation = this;
-    if (this.options.show_node_circles) {
-        this.circle.strokeWidth = this.options.node_stroke_width;
-        this.h_ratio = 1;
-    } else {
-        this.h_ratio = 0;
-    }
-    this.title = $('<div class="Rk-Label">').appendTo(this.renderer.labels_$);
-    if (this.options.editor_mode) {
-        this.normal_buttons = [
-            new NodeEditButton(this.renderer, null),
-            new NodeRemoveButton(this.renderer, null),
-            new NodeLinkButton(this.renderer, null),
-            new NodeEnlargeButton(this.renderer, null),
-            new NodeShrinkButton(this.renderer, null)
-        ];
-        this.pending_delete_buttons = [
-            new NodeRevertButton(this.renderer, null)
-        ];
-        this.all_buttons = this.normal_buttons.concat(this.pending_delete_buttons);
-        for (var i = 0; i < this.all_buttons.length; i++) {
-            this.all_buttons[i].source_representation = this;
-        }
-        this.active_buttons = [];
-    } else {
-        this.active_buttons = this.all_buttons = [];
-    }
-    this.last_circle_radius = 1;
-    
-    if (this.renderer.minimap) {
-        this.renderer.minimap.node_layer.activate();
-        this.minimap_circle = new paper.Path.Circle([0, 0], 1);
-        this.minimap_circle.__representation = this.renderer.minimap.miniframe.__representation;
-        this.renderer.minimap.node_group.addChild(this.minimap_circle);
-    }
-},
-redraw: function(_dontRedrawEdges) {
-    var _model_coords = new paper.Point(this.model.get("position")),
-        _baseRadius = this.options.node_size_base * Math.exp((this.model.get("size") || 0) * _NODE_SIZE_STEP);
-    if (!this.is_dragging || !this.paper_coords) {
-        this.paper_coords = this.renderer.toPaperCoords(_model_coords);
-    }
-    this.circle_radius = _baseRadius * this.renderer.scale;
-    if (this.last_circle_radius !== this.circle_radius) {
-        this.all_buttons.forEach(function(b) {
-            b.setSectorSize();
-        });
-        var square = new paper.Size(this.circle_radius, this.circle_radius),
-            topleft = this.paper_coords.subtract(square),
-            bounds = new paper.Rectangle(topleft, square.multiply(2));
-        this.circle.scale(this.circle_radius / this.last_circle_radius);
-        if (this.node_image) {
-            this.node_image.scale(this.circle_radius / this.last_circle_radius);
-        }
-    }
-    this.circle.position = this.paper_coords;
-    if (this.node_image) {
-        this.node_image.position = this.paper_coords.subtract(this.image_delta.multiply(this.circle_radius));
-    }
-    this.last_circle_radius = this.circle_radius;
-    
-    var old_act_btn = this.active_buttons;
-    
-    if (this.model.get("delete_scheduled")) {
-        var opacity = .5;
-        this.active_buttons = this.pending_delete_buttons;
-        this.circle.dashArray = [2,2];
-    } else {
-        var opacity = 1;
-        this.active_buttons = this.normal_buttons;
-        this.circle.dashArray = null;
-    }
-    
-    if (this.selected && this.renderer.isEditable()) {
-        if (old_act_btn !== this.active_buttons) {
-            old_act_btn.forEach(function(b) {
-                b.hide();
-            });
-        }
-        this.active_buttons.forEach(function(b) {
-            b.show();
-        });
-    }
-    
-    if (this.node_image) {
-        this.node_image.opacity = this.highlighted ? opacity * .5 : (opacity - .01);
-    }
-    
-    this.circle.fillColor = this.highlighted ? this.options.highlighted_node_fill_color : this.options.node_fill_color;
-    
-    this.circle.opacity = this.options.show_node_circles ? opacity : .01;
-    
-    var _text = this.model.get("title") || this.renkan.translate(this.options.label_untitled_nodes) || "";
-    _text = shortenText(_text, this.options.node_label_max_length);
-    
-    if (typeof this.highlighted === "object") {
-        this.title.html(this.highlighted.replace(_(_text).escape(),'<span class="Rk-Highlighted">$1</span>'));
-    } else {
-        this.title.text(_text);
-    }
-    
-    this.title.css({
-        left: this.paper_coords.x,
-        top: this.paper_coords.y + this.circle_radius * this.h_ratio + this.options.node_label_distance,
-        opacity: opacity
-    });
-    var _color = this.model.get("color") || (this.model.get("created_by") || _USER_PLACEHOLDER(this.renkan)).get("color");
-    this.circle.strokeColor = _color;
-    var _pc = this.paper_coords;
-    this.all_buttons.forEach(function(b) {
-        b.moveTo(_pc);
-    });
-    var lastImage = this.img;
-    this.img = this.model.get("image");
-    if (this.img && this.img !== lastImage) {
-        this.showImage();
-    }
-    if (this.node_image && !this.img) {
-        this.node_image.remove();
-        delete this.node_image;
-    }
-    
-    if (this.renderer.minimap) {
-        this.minimap_circle.fillColor = _color;
-        var minipos = this.renderer.toMinimapCoords(_model_coords),
-            miniradius = this.renderer.minimap.scale * _baseRadius,
-            minisize = new paper.Size([miniradius, miniradius]);
-        this.minimap_circle.fitBounds(minipos.subtract(minisize), minisize.multiply(2));
-    }
-    
-    if (!_dontRedrawEdges) {
-        var _this = this;
-        _.each(
-            this.project.get("edges").filter(
-                function (ed) {
-                    return ((ed.get("to") === _this.model) || (ed.get("from") === _this.model));
-                }
-            ),
-            function(edge, index, list) {
-                var repr = _this.renderer.getRepresentationByModel(edge);
-                if (repr && typeof repr.from_representation !== "undefined" && typeof repr.from_representation.paper_coords !== "undefined" && typeof repr.to_representation !== "undefined" && typeof repr.to_representation.paper_coords !== "undefined") {
-                    repr.redraw();
-                }
-            }
-        );
-    }
-
-},
-showImage: function() {
-    if (typeof this.renderer.image_cache[this.img] === "undefined") {
-        var _image = new Image();
-        this.renderer.image_cache[this.img] = _image;
-        _image.src = this.img;
-    } else {
-        var _image = this.renderer.image_cache[this.img];
-    }
-    if (_image.width) {
-        if (this.node_image) {
-            this.node_image.remove();
-        }
-        this.renderer.node_layer.activate();
-        var width = _image.width,
-            height = _image.height,
-            clipPath = this.model.get("clip-path"),
-            hasClipPath = (typeof clipPath !== "undefined" && clipPath);
-        if (hasClipPath) {
-            var _clip = new paper.Path(),
-                instructions = clipPath.match(/[a-z][^a-z]+/gi) || [],
-                lastCoords = [0,0],
-                minX = Infinity,
-                minY = Infinity,
-                maxX = -Infinity,
-                maxY = -Infinity;
-                
-            var transformCoords = function(tabc, relative) {
-                var newCoords = tabc.slice(1).map(function(v, k) {
-                    var res = parseFloat(v),
-                        isY = k % 2;
-                    if (isY) {
-                        res = ( res - .5 ) * height;
-                    } else {
-                        res = ( res - .5 ) * width;
-                    }
-                    if (relative) {
-                        res += lastCoords[isY];
-                    }
-                    if (isY) {
-                        minY = Math.min(minY, res);
-                        maxY = Math.max(maxY, res);
-                    } else {
-                        minX = Math.min(minX, res);
-                        maxX = Math.max(maxX, res);
-                    }
-                    return res;
-                });
-                lastCoords = newCoords.slice(-2);
-                return newCoords;
-            };
-            
-            instructions.forEach(function(instr) {
-                var coords = instr.match(/([a-z]|[0-9.-]+)/ig) || [""];
-                switch(coords[0]) {
-                    case "M":
-                        _clip.moveTo(transformCoords(coords));
-                    break;
-                    case "m":
-                        _clip.moveTo(transformCoords(coords, true));
-                    break;
-                    case "L":
-                        _clip.lineTo(transformCoords(coords));
-                    break;
-                    case "l":
-                        _clip.lineTo(transformCoords(coords, true));
-                    break;
-                    case "C":
-                        _clip.cubicCurveTo(transformCoords(coords));
-                    break;
-                    case "c":
-                        _clip.cubicCurveTo(transformCoords(coords, true));
-                    break;
-                    case "Q":
-                        _clip.quadraticCurveTo(transformCoords(coords));
-                    break;
-                    case "q":
-                        _clip.quadraticCurveTo(transformCoords(coords, true));
-                    break;
-                }
-            });
-            
-            var baseRadius = Math[this.options.node_images_fill_mode ? "min" : "max"](maxX - minX, maxY - minY) / 2,
-                centerPoint = new paper.Point((maxX + minX) / 2, (maxY + minY) / 2);
-            if (!this.options.show_node_circles) {
-                this.h_ratio = (maxY - minY) / (2 * baseRadius);
-            }
-        } else {
-            var baseRadius = Math[this.options.node_images_fill_mode ? "min" : "max"](width, height) / 2,
-                centerPoint = new paper.Point(0,0);
-            if (!this.options.show_node_circles) {
-                this.h_ratio = height / (2 * baseRadius);
-            }
-        }
-        var _raster = new paper.Raster(_image);
-        if (hasClipPath) {
-            _raster = new paper.Group(_clip, _raster);
-            _raster.opacity = .99;
-            /* This is a workaround to allow clipping at group level
-             * If opacity was set to 1, paper.js would merge all clipping groups in one (known bug).
-            */
-            _raster.clipped = true;
-            _clip.__representation = this;
-        }
-        if (this.options.clip_node_images) {
-            var _circleClip = new paper.Path.Circle(centerPoint, baseRadius);
-            _raster = new paper.Group(_circleClip, _raster);
-            _raster.opacity = .99;
-            _raster.clipped = true;
-            _circleClip.__representation = this;
-        }
-        this.image_delta = centerPoint.divide(baseRadius);
-        this.node_image = _raster;
-        this.node_image.__representation = _this;
-        this.node_image.scale(this.circle_radius / baseRadius);
-        this.node_image.position = this.paper_coords.subtract(this.image_delta.multiply(this.circle_radius));
-        this.redraw();
-        this.renderer.throttledPaperDraw();
-    } else {
-        var _this = this;
-        $(_image).on("load", function() {
-            _this.showImage();
-        });
-    }
-},
-paperShift: function(_delta) {
-    if (this.options.editor_mode) {
-        if (!this.renkan.read_only) {
-            this.is_dragging = true;
-            this.paper_coords = this.paper_coords.add(_delta);
-            this.redraw();
-        }
-    } else {
-        this.renderer.paperShift(_delta);
-    }
-},
-openEditor: function() {
-    this.renderer.removeRepresentationsOfType("editor");
-    var _editor = this.renderer.addRepresentation("NodeEditor",null);
-    _editor.source_representation = this;
-    _editor.draw();
-},
-select: function() {
-    this.selected = true;
-    this.circle.strokeWidth = this.options.selected_node_stroke_width;
-    if (this.renderer.isEditable()) {
-        this.active_buttons.forEach(function(b) {
-            b.show();
-        });
-    }
-    var _uri = this.model.get("uri");
-    if (_uri) {
-        $('.Rk-Bin-Item').each(function() {
-            var _el = $(this);
-            if (_el.attr("data-uri") == _uri) {
-                _el.addClass("selected");
-            }
-        });
-    }
-    if (!this.options.editor_mode) {
-        this.openEditor();
-    }
-    
-    if (this.renderer.minimap) {
-        this.minimap_circle.strokeWidth = this.options.minimap_highlight_weight;
-        this.minimap_circle.strokeColor = this.options.minimap_highlight_color;
-    }
-    this._super("select");
-},
-unselect: function(_newTarget) {
-    if (!_newTarget || _newTarget.source_representation !== this) {
-        this.selected = false;
-        this.all_buttons.forEach(function(b) {
-            b.hide();
-        });
-        this.circle.strokeWidth = this.options.node_stroke_width;
-        $('.Rk-Bin-Item').removeClass("selected");
-        if (this.renderer.minimap) {
-            this.minimap_circle.strokeColor = undefined;
-        }
-        this._super("unselect");
-    }
-},
-highlight: function(textToReplace) {
-    var hlvalue = textToReplace || true;
-    if (this.highlighted === hlvalue) {
-        return;
-    }
-    this.highlighted = hlvalue;
-    this.redraw();
-    this.renderer.throttledPaperDraw();
-},
-unhighlight: function() {
-    if (!this.highlighted) {
-        return;
-    }
-    this.highlighted = false;
-    this.redraw();
-    this.renderer.throttledPaperDraw();
-},
-saveCoords: function() {
-    var _coords = this.renderer.toModelCoords(this.paper_coords),
-        _data = {
-            position: {
-                x: _coords.x,
-                y: _coords.y
-            }
-        };
-    if (this.renderer.isEditable()) {
-        this.model.set(_data);
-    }
-},
-mousedown: function(_event, _isTouch) {
-    if (_isTouch) {
-        this.renderer.unselectAll();
-        this.select();
-    }
-},
-mouseup: function(_event, _isTouch) {
-    if (this.renderer.is_dragging && this.renderer.isEditable()) {
-        this.saveCoords();
-    } else {
-        if (!_isTouch && !this.model.get("delete_scheduled")) {
-            this.openEditor();
-        }
-        this.model.trigger("clicked");
-    }
-    this.renderer.click_target = null;
-    this.renderer.is_dragging = false;
-    this.is_dragging = false;
-},
-destroy: function(_event) {
-    this._super("destroy");
-    this.all_buttons.forEach(function(b) {
-        b.destroy();
-    });
-    this.circle.remove();
-    this.title.remove();
-    if (this.renderer.minimap) {
-        this.minimap_circle.remove();
-    }
-    if (this.node_image) {
-        this.node_image.remove();
-    }
-}
-});
-
-/* */
-
-var Edge = Renderer.Edge = Rkns.Utils.inherit(_BaseRepresentation);
-
-_(Edge.prototype).extend({
-_init: function() {
-    this.renderer.edge_layer.activate();
-    this.type = "Edge";
-    this.from_representation = this.renderer.getRepresentationByModel(this.model.get("from"));
-    this.to_representation = this.renderer.getRepresentationByModel(this.model.get("to"));
-    this.bundle = this.renderer.addToBundles(this);
-    this.line = new paper.Path();
-    this.line.add([0,0],[0,0],[0,0]);
-    this.line.__representation = this;
-    this.line.strokeWidth = this.options.edge_stroke_width;
-    this.arrow = new paper.Path();
-    this.arrow.add(
-        [ 0, 0 ],
-        [ this.options.edge_arrow_length, this.options.edge_arrow_width / 2 ],
-        [ 0, this.options.edge_arrow_width ]
-    );
-    this.arrow.__representation = this;
-    this.text = $('<div class="Rk-Label Rk-Edge-Label">').appendTo(this.renderer.labels_$);
-    this.arrow_angle = 0;
-    if (this.options.editor_mode) {
-        this.normal_buttons = [
-            new EdgeEditButton(this.renderer, null),
-            new EdgeRemoveButton(this.renderer, null)
-        ];
-        this.pending_delete_buttons = [
-            new EdgeRevertButton(this.renderer, null)
-        ];
-        this.all_buttons = this.normal_buttons.concat(this.pending_delete_buttons);
-        for (var i = 0; i < this.all_buttons.length; i++) {
-            this.all_buttons[i].source_representation = this;
-        }
-        this.active_buttons = [];
-    } else {
-        this.active_buttons = this.all_buttons = [];
-    }
-    
-    if (this.renderer.minimap) {
-        this.renderer.minimap.edge_layer.activate();
-        this.minimap_line = new paper.Path();
-        this.minimap_line.add([0,0],[0,0]);
-        this.minimap_line.__representation = this.renderer.minimap.miniframe.__representation;
-        this.minimap_line.strokeWidth = 1;
-    }
-},
-redraw: function() {
-    var from = this.model.get("from"),
-        to = this.model.get("to");
-    if (!from || !to) {
-        return;
-    }
-    this.from_representation = this.renderer.getRepresentationByModel(from);
-    this.to_representation = this.renderer.getRepresentationByModel(to);
-    if (typeof this.from_representation === "undefined" || typeof this.to_representation === "undefined") {
-        return;
-    }
-    var _p0a = this.from_representation.paper_coords,
-        _p1a = this.to_representation.paper_coords,
-        _v = _p1a.subtract(_p0a),
-        _r = _v.length,
-        _u = _v.divide(_r),
-        _ortho = new paper.Point([- _u.y, _u.x]),
-        _group_pos = this.bundle.getPosition(this),
-        _delta = _ortho.multiply( this.options.edge_gap_in_bundles * _group_pos ),
-        _p0b = _p0a.add(_delta), /* Adding a 4 px difference */
-        _p1b = _p1a.add(_delta), /* to differentiate bundled links */
-        _a = _v.angle,
-        _textdelta = _ortho.multiply(this.options.edge_label_distance),
-        _handle = _v.divide(3),
-        _color = this.model.get("color") || this.model.get("color") || (this.model.get("created_by") || _USER_PLACEHOLDER(this.renkan)).get("color");
-    
-    if (this.model.get("delete_scheduled") || this.from_representation.model.get("delete_scheduled") || this.to_representation.model.get("delete_scheduled")) {
-        var opacity = .5;
-        this.line.dashArray = [2, 2];
-    } else {
-        var opacity = 1;
-        this.line.dashArray = null;
-    }
-    
-    var old_act_btn = this.active_buttons;
-    
-    this.active_buttons = this.model.get("delete_scheduled") ? this.pending_delete_buttons : this.normal_buttons;
-    
-    if (this.selected && this.renderer.isEditable() && old_act_btn !== this.active_buttons) {
-        old_act_btn.forEach(function(b) {
-            b.hide();
-        });
-        this.active_buttons.forEach(function(b) {
-            b.show();
-        });
-    }
-    
-    this.paper_coords = _p0b.add(_p1b).divide(2);
-    this.line.strokeColor = _color;
-    this.line.opacity = opacity;
-    this.line.segments[0].point = _p0a;
-    this.line.segments[1].point = this.paper_coords;
-    this.line.segments[1].handleIn = _handle.multiply(-1);
-    this.line.segments[1].handleOut = _handle;
-    this.line.segments[2].point = _p1a;
-    this.arrow.rotate(_a - this.arrow_angle);
-    this.arrow.fillColor = _color;
-    this.arrow.opacity = opacity;
-    this.arrow.position = this.paper_coords;
-    this.arrow_angle = _a;
-    if (_a > 90) {
-        _a -= 180;
-        _textdelta = _textdelta.multiply(-1);
-    }
-    if (_a < -90) {
-        _a += 180;
-        _textdelta = _textdelta.multiply(-1);
-    }
-    var _text = this.model.get("title") || this.renkan.translate(this.options.label_untitled_edges) || "";
-    _text = shortenText(_text, this.options.node_label_max_length);
-    this.text.text(_text);
-    var _textpos = this.paper_coords.add(_textdelta);
-    this.text.css({
-        left: _textpos.x,
-        top: _textpos.y,
-        transform: "rotate(" + _a + "deg)",
-        "-moz-transform": "rotate(" + _a + "deg)",
-        "-webkit-transform": "rotate(" + _a + "deg)",
-        opacity: opacity
-    });
-    this.text_angle = _a;
-    
-    var _pc = this.paper_coords;
-    this.all_buttons.forEach(function(b) {
-        b.moveTo(_pc);
-    });
-    
-    if (this.renderer.minimap) {
-        this.minimap_line.strokeColor = _color;
-        this.minimap_line.segments[0].point = this.renderer.toMinimapCoords(new paper.Point(this.from_representation.model.get("position")));
-         this.minimap_line.segments[1].point = this.renderer.toMinimapCoords(new paper.Point(this.to_representation.model.get("position")));
-    }
-},
-openEditor: function() {
-    this.renderer.removeRepresentationsOfType("editor");
-    var _editor = this.renderer.addRepresentation("EdgeEditor",null);
-    _editor.source_representation = this;
-    _editor.draw();
-},
-select: function() {
-    this.selected = true;
-    this.line.strokeWidth = this.options.selected_edge_stroke_width;
-    if (this.renderer.isEditable()) {
-        this.active_buttons.forEach(function(b) {
-            b.show();
-        });
-    }
-    if (!this.options.editor_mode) {
-        this.openEditor();
-    }
-    this._super("select");
-},
-unselect: function(_newTarget) {
-    if (!_newTarget || _newTarget.source_representation !== this) {
-        this.selected = false;
-        if (this.options.editor_mode) {
-            this.all_buttons.forEach(function(b) {
-                b.hide();
-            });
-        }
-        this.line.strokeWidth = this.options.edge_stroke_width;
-        this._super("unselect");
-    }
-},
-mousedown: function(_event, _isTouch) {
-    if (_isTouch) {
-        this.renderer.unselectAll();
-        this.select();
-    }
-},
-mouseup: function(_event, _isTouch) {
-    if (!this.renkan.read_only && this.renderer.is_dragging) {
-        this.from_representation.saveCoords();
-        this.to_representation.saveCoords();
-        this.from_representation.is_dragging = false;
-        this.to_representation.is_dragging = false;
-    } else {
-        if (!_isTouch) {
-            this.openEditor();
-        }
-        this.model.trigger("clicked");
-    }
-    this.renderer.click_target = null;
-    this.renderer.is_dragging = false;
-},
-paperShift: function(_delta) {
-    if (this.options.editor_mode) {
-        if (!this.options.read_only) {
-            this.from_representation.paperShift(_delta);
-            this.to_representation.paperShift(_delta);
-        }
-    } else {
-        this.renderer.paperShift(_delta);
-    }
-},
-destroy: function() {
-    this._super("destroy");
-    this.line.remove();
-    this.arrow.remove();
-    this.text.remove();
-    if (this.renderer.minimap) {
-        this.minimap_line.remove();
-    }
-    this.all_buttons.forEach(function(b) {
-        b.destroy();
-    });
-    var _this = this;
-    this.bundle.edges = _(this.bundle.edges).reject(function(_edge) {
-        return _edge === _this;
-    });
-}
-});
-
-/* */
-
-var TempEdge = Renderer.TempEdge = Rkns.Utils.inherit(_BaseRepresentation);
-
-_(TempEdge.prototype).extend({
-_init: function() {
-    this.renderer.edge_layer.activate();
-    this.type = "Temp-edge";
-    
-    var _color = (this.project.get("users").get(this.renkan.current_user) || _USER_PLACEHOLDER(this.renkan)).get("color");
-    this.line = new paper.Path();
-    this.line.strokeColor = _color;
-    this.line.dashArray = [4, 2];
-    this.line.strokeWidth = this.options.selected_edge_stroke_width;
-    this.line.add([0,0],[0,0]);
-    this.line.__representation = this;
-    this.arrow = new paper.Path();
-    this.arrow.fillColor = _color;
-    this.arrow.add(
-        [ 0, 0 ],
-        [ this.options.edge_arrow_length, this.options.edge_arrow_width / 2 ],
-        [ 0, this.options.edge_arrow_width ]
-    );
-    this.arrow.__representation = this;
-    this.arrow_angle = 0;
-},
-redraw: function() {
-    var _p0 = this.from_representation.paper_coords,
-        _p1 = this.end_pos,
-        _a = _p1.subtract(_p0).angle,
-        _c = _p0.add(_p1).divide(2);
-    this.line.segments[0].point = _p0;
-    this.line.segments[1].point = _p1;
-    this.arrow.rotate(_a - this.arrow_angle);
-    this.arrow.position = _c;
-    this.arrow_angle = _a;
-},
-paperShift: function(_delta) {
-    if (!this.renderer.isEditable()) {
-        this.renderer.removeRepresentation(_this);
-        paper.view.draw();
-        return;
-    }
-    this.end_pos = this.end_pos.add(_delta);
-    var _hitResult = paper.project.hitTest(this.end_pos);
-    this.renderer.findTarget(_hitResult);
-    this.redraw();
-},
-mouseup: function(_event, _isTouch) {
-    var _hitResult = paper.project.hitTest(_event.point),
-        _model = this.from_representation.model,
-        _endDrag = true;
-    if (_hitResult && typeof _hitResult.item.__representation !== "undefined") {
-        var _target = _hitResult.item.__representation;
-        if (_target.type.substr(0,4) === "Node") {
-            var _destmodel = _target.model || _target.source_representation.model;
-            if (_model !== _destmodel) {
-                var _data = {
-                    id: Rkns.Utils.getUID('edge'),
-                    created_by: this.renkan.current_user,
-                    from: _model,
-                    to: _destmodel
-                };
-                if (this.renderer.isEditable()) {
-                    this.project.addEdge(_data);
-                }
-            }
-        }
-        
-        if (_model === _target.model || (_target.source_representation && _target.source_representation.model === _model)) {
-            _endDrag = false;
-            this.renderer.is_dragging = true;
-        }
-    }
-    if (_endDrag) {
-        this.renderer.click_target = null;
-        this.renderer.is_dragging = false;
-        this.renderer.removeRepresentation(this);
-        paper.view.draw();
-    }
-},
-destroy: function() {
-    this.arrow.remove();
-    this.line.remove();
-}
-});
-
-/* */
-
-var _BaseEditor = Renderer._BaseEditor = Rkns.Utils.inherit(_BaseRepresentation);
-
-_(_BaseEditor.prototype).extend({
-_init: function() {
-    this.renderer.buttons_layer.activate();
-    this.type = "editor";
-    this.editor_block = new paper.Path();
-    var _pts = _(_.range(8)).map(function() {return [0,0];});
-    this.editor_block.add.apply(this.editor_block, _pts);
-    this.editor_block.strokeWidth = this.options.tooltip_border_width;
-    this.editor_block.strokeColor = this.options.tooltip_border_color;
-    this.editor_block.opacity = .8;
-    this.editor_$ = $('<div>')
-        .appendTo(this.renderer.editor_$)
-        .css({
-            position: "absolute",
-            opacity: .8
-        })
-        .hide();
-},
-destroy: function() {
-    this.editor_block.remove();
-    this.editor_$.remove();
-}
-});
-
-/* */
-
-var NodeEditor = Renderer.NodeEditor = Rkns.Utils.inherit(_BaseEditor);
-
-_(NodeEditor.prototype).extend({
-template: _.template(
-    '<h2><span class="Rk-CloseX">&times;</span><%-renkan.translate("Edit Node")%></span></h2>'
-    + '<p><label><%-renkan.translate("Title:")%></label><input class="Rk-Edit-Title" type="text" value="<%-node.title%>"/></p>'
-    + '<% if (options.show_node_editor_uri) { %><p><label><%-renkan.translate("URI:")%></label><input class="Rk-Edit-URI" type="text" value="<%-node.uri%>"/><a class="Rk-Edit-Goto" href="<%-node.uri%>" target="_blank"></a></p><% } %>'
-    + '<% if (options.show_node_editor_description) { %><p><label><%-renkan.translate("Description:")%></label><textarea class="Rk-Edit-Description"><%-node.description%></textarea></p><% } %>'
-    + '<% if (options.show_node_editor_size) { %><p><span class="Rk-Editor-Label"><%-renkan.translate("Size:")%></span><a href="#" class="Rk-Edit-Size-Down">-</a><span class="Rk-Edit-Size-Value"><%-node.size%></span><a href="#" class="Rk-Edit-Size-Up">+</a></p><% } %>'
-    + '<% if (options.show_node_editor_color) { %><div class="Rk-Editor-p"><span class="Rk-Editor-Label"><%-renkan.translate("Node color:")%></span><div class="Rk-Edit-ColorPicker-Wrapper"><span class="Rk-Edit-Color" style="background:<%-node.color%>;"><span class="Rk-Edit-ColorTip"></span></span>'
-    + '<%= renkan.colorPicker %><span class="Rk-Edit-ColorPicker-Text"><%- renkan.translate("Choose color") %></span></div></div><% } %>'
-    + '<% if (options.show_node_editor_image) { %><div class="Rk-Edit-ImgWrap"><div class="Rk-Edit-ImgPreview"><img src="<%-node.image || node.image_placeholder%>" />'
-    + '<% if (node.clip_path) { %><svg xmlns="http://www.w3.org/2000/svg" version="1.1" viewbox="0 0 1 1" preserveAspectRatio="none"><path style="stroke-width: .02; stroke:red; fill-opacity:.3; fill:red;" d="<%- node.clip_path %>"/></svg><% }%>'
-    + '</div></div><p><label><%-renkan.translate("Image URL:")%></label><input class="Rk-Edit-Image" type="text" value="<%-node.image%>"/></p>'
-    + '<p><label><%-renkan.translate("Choose Image File:")%></label><input class="Rk-Edit-Image-File" type="file" accept="image/*"/></p><% } %>'    
-    + '<% if (options.show_node_editor_creator && node.has_creator) { %><p><span class="Rk-Editor-Label"><%-renkan.translate("Created by:")%></span> <span class="Rk-UserColor" style="background:<%-node.created_by_color%>;"></span><%- shortenText(node.created_by_title, 25) %></p><% } %>'
-),
-readOnlyTemplate: _.template(
-    '<h2><span class="Rk-CloseX">&times;</span><% if (options.show_node_tooltip_color) { %><span class="Rk-UserColor" style="background:<%-node.color%>;"></span><% } %>'
-    + '<span class="Rk-Display-Title"><% if (node.uri) { %><a href="<%-node.uri%>" target="_blank"><% } %><%-node.title%><% if (node.uri) { %></a><% } %></span></h2>'
-    + '<% if (node.uri && options.show_node_tooltip_uri) { %><p class="Rk-Display-URI"><a href="<%-node.uri%>" target="_blank"><%-node.short_uri%></a></p><% } %>'
-    + '<% if (options.show_node_tooltip_description) { %><p class="Rk-Display-Description"><%-node.description%></p><% } %>'
-    + '<% if (node.image && options.show_node_tooltip_image) { %><img class="Rk-Display-ImgPreview" src="<%-node.image%>" /><% } %>'
-    + '<% if (node.has_creator && options.show_node_tooltip_creator) { %><p><span class="Rk-Editor-Label"><%-renkan.translate("Created by:")%></span><span class="Rk-UserColor" style="background:<%-node.created_by_color%>;"></span><%- shortenText(node.created_by_title, 25) %></p><% } %>'
-),
-draw: function() {
-    var _model = this.source_representation.model,
-        _created_by = _model.get("created_by") || _USER_PLACEHOLDER(this.renkan),
-        _template = (this.renderer.isEditable() ? this.template : this.readOnlyTemplate ),
-        _image_placeholder = this.options.static_url + "img/image-placeholder.png",
-        _size = (_model.get("size") || 0);
-    this.editor_$
-        .html(_template({
-            node: {
-                has_creator: !!_model.get("created_by"),
-                title: _model.get("title"),
-                uri: _model.get("uri"),
-                short_uri:  shortenText((_model.get("uri") || "").replace(/^(https?:\/\/)?(www\.)?/,'').replace(/\/$/,''),40),
-                description: _model.get("description"),
-                image: _model.get("image") || "",
-                image_placeholder: _image_placeholder,
-                color: _model.get("color") || _created_by.get("color"),
-                clip_path: _model.get("clip-path") || false,
-                created_by_color: _created_by.get("color"),
-                created_by_title: _created_by.get("title"),
-                size: (_size > 0 ? "+" : "") + _size
-            },
-            renkan: this.renkan,
-            options: this.options,
-            shortenText: shortenText
-        }));
-    this.redraw();
-    var _this = this,
-        closeEditor = function() {
-            _this.renderer.removeRepresentation(_this);
-            paper.view.draw();
-        };
-        
-    this.editor_$.find(".Rk-CloseX").click(closeEditor);
-    
-    this.editor_$.find(".Rk-Edit-Goto").click(function() {
-        if (!_model.get("uri")) {
-            return false;
-        }
-    });
-    
-    if (this.renderer.isEditable()) {
-        
-        var onFieldChange = _(function() {
-            _(function() {
-                if (_this.renderer.isEditable()) {
-                    var _data = {
-                        title: _this.editor_$.find(".Rk-Edit-Title").val()
-                    };
-                    if (_this.options.show_node_editor_uri) {
-                        _data.uri = _this.editor_$.find(".Rk-Edit-URI").val();
-                        _this.editor_$.find(".Rk-Edit-Goto").attr("href",_data.uri || "#");
-                    }
-                    if (_this.options.show_node_editor_image) {
-                        _data.image = _this.editor_$.find(".Rk-Edit-Image").val();
-                        _this.editor_$.find(".Rk-Edit-ImgPreview").attr("src", _data.image || _image_placeholder);
-                    }
-                    if (_this.options.show_node_editor_description) {
-                        _data.description = _this.editor_$.find(".Rk-Edit-Description").val();
-                    }
-                    _model.set(_data);
-                    _this.redraw();
-                } else {
-                    closeEditor();
-                }
-                
-            }).defer();
-        }).throttle(500);
-        
-        this.editor_$.on("keyup", function(_e) {
-            if (_e.keyCode === 27) {
-                closeEditor();
-            }
-        });
-        
-        this.editor_$.find("input, textarea").on("change keyup paste", onFieldChange);
-        
-        this.editor_$.find(".Rk-Edit-Image-File").change(function() {
-            if (this.files.length) {
-                var f = this.files[0],
-                    fr = new FileReader();
-                if (f.type.substr(0,5) !== "image") {
-                    alert(_this.renkan.translate("This file is not an image"));
-                    return;
-                }
-                if (f.size > (_this.options.uploaded_image_max_kb * 1024)) {
-                    alert(_this.renkan.translate("Image size must be under ") + _this.options.uploaded_image_max_kb + _this.renkan.translate("KB"));
-                    return;
-                }
-                fr.onload = function(e) {
-                    _this.editor_$.find(".Rk-Edit-Image").val(e.target.result);
-                    onFieldChange();
-                };
-                fr.readAsDataURL(f);
-            }
-        });
-        this.editor_$.find(".Rk-Edit-Title")[0].focus();
-        
-        var _picker = _this.editor_$.find(".Rk-Edit-ColorPicker");
-        
-        this.editor_$.find(".Rk-Edit-ColorPicker-Wrapper").hover(
-            function(_e) {
-                _e.preventDefault();
-                _picker.show();
-            },
-            function(_e) {
-                _e.preventDefault();
-                _picker.hide();
-            }
-        );
-        
-        _picker.find("li").hover(
-            function(_e) {
-                _e.preventDefault();
-                _this.editor_$.find(".Rk-Edit-Color").css("background", $(this).attr("data-color"));
-            },
-            function(_e) {
-                _e.preventDefault();
-                _this.editor_$.find(".Rk-Edit-Color").css("background", _model.get("color") || (_model.get("created_by") || _USER_PLACEHOLDER(_this.renkan)).get("color"));
-            }
-        ).click(function(_e) {
-            _e.preventDefault();
-            if (_this.renderer.isEditable()) {
-                _model.set("color", $(this).attr("data-color"));
-                _picker.hide();
-                paper.view.draw();
-            } else {
-                closeEditor();
-            }
-        });
-        
-        var shiftSize = function(n) {
-            if (_this.renderer.isEditable()) {
-                var _newsize = n+(_model.get("size") || 0);
-                _this.editor_$.find(".Rk-Edit-Size-Value").text((_newsize > 0 ? "+" : "") + _newsize);
-                _model.set("size", _newsize);
-                paper.view.draw();
-            } else {
-                closeEditor();
-            }
-        };
-        
-        this.editor_$.find(".Rk-Edit-Size-Down").click(function() {
-            shiftSize(-1);
-            return false;
-        });
-        this.editor_$.find(".Rk-Edit-Size-Up").click(function() {
-            shiftSize(1);
-            return false;
-        });
-    } else {
-        if (typeof this.source_representation.highlighted === "object") {
-            var titlehtml = this.source_representation.highlighted.replace(_(_model.get("title")).escape(),'<span class="Rk-Highlighted">$1</span>');
-            this.editor_$.find(".Rk-Display-Title" + (_model.get("uri") ? " a" : "")).html(titlehtml);
-            if (this.options.show_node_tooltip_description) {
-                this.editor_$.find(".Rk-Display-Description").html(this.source_representation.highlighted.replace(_(_model.get("description")).escape(),'<span class="Rk-Highlighted">$1</span>'));
-            }
-        }
-    }
-    this.editor_$.find("img").load(function() {
-        _this.redraw();
-    });
-},
-redraw: function() {
-    var _coords = this.source_representation.paper_coords;
-    drawEditBox(this.options, _coords, this.editor_block, this.source_representation.circle_radius * .75, this.editor_$);
-    this.editor_$.show();
-    paper.view.draw();
-}
-});
-
-/* */
-
-var EdgeEditor = Renderer.EdgeEditor = Rkns.Utils.inherit(_BaseEditor);
-
-_(EdgeEditor.prototype).extend({
-template: _.template(
-    '<h2><span class="Rk-CloseX">&times;</span><%-renkan.translate("Edit Edge")%></span></h2>'
-    + '<p><label><%-renkan.translate("Title:")%></label><input class="Rk-Edit-Title" type="text" value="<%-edge.title%>"/></p>'
-    + '<% if (options.show_edge_editor_uri) { %><p><label><%-renkan.translate("URI:")%></label><input class="Rk-Edit-URI" type="text" value="<%-edge.uri%>"/><a class="Rk-Edit-Goto" href="<%-edge.uri%>" target="_blank"></a></p>'
-    + '<% if (options.properties.length) { %><p><label><%-renkan.translate("Choose from vocabulary:")%></label><select class="Rk-Edit-Vocabulary">'
-    + '<% _(options.properties).each(function(ontology) { %><option class="Rk-Edit-Vocabulary-Class" value=""><%- renkan.translate(ontology.label) %></option>'
-    + '<% _(ontology.properties).each(function(property) { var uri = ontology["base-uri"] + property.uri; %><option class="Rk-Edit-Vocabulary-Property" value="<%- uri %>'
-    + '"<% if (uri === edge.uri) { %> selected<% } %>><%- renkan.translate(property.label) %></option>'
-    + '<% }) %><% }) %></select></p><% } } %>'
-    + '<% if (options.show_edge_editor_color) { %><div class="Rk-Editor-p"><span class="Rk-Editor-Label"><%-renkan.translate("Edge color:")%></span><div class="Rk-Edit-ColorPicker-Wrapper"><span class="Rk-Edit-Color" style="background:<%-edge.color%>;"><span class="Rk-Edit-ColorTip"></span></span>'
-    + '<%= renkan.colorPicker %><span class="Rk-Edit-ColorPicker-Text"><%- renkan.translate("Choose color") %></span></div></div><% } %>'
-    + '<% if (options.show_edge_editor_direction) { %><p><span class="Rk-Edit-Direction"><%- renkan.translate("Change edge direction") %></span></p><% } %>'
-    + '<% if (options.show_edge_editor_nodes) { %><p><span class="Rk-Editor-Label"><%-renkan.translate("From:")%></span><span class="Rk-UserColor" style="background:<%-edge.from_color%>;"></span><%- shortenText(edge.from_title, 25) %></p>'
-    + '<p><span class="Rk-Editor-Label"><%-renkan.translate("To:")%></span><span class="Rk-UserColor" style="background:<%-edge.to_color%>;"></span><%- shortenText(edge.to_title, 25) %></p><% } %>'
-    + '<% if (options.show_edge_editor_creator && edge.has_creator) { %><p><span class="Rk-Editor-Label"><%-renkan.translate("Created by:")%></span><span class="Rk-UserColor" style="background:<%-edge.created_by_color%>;"></span><%- shortenText(edge.created_by_title, 25) %></p><% } %>'
-),
-readOnlyTemplate: _.template(
-    '<h2><span class="Rk-CloseX">&times;</span><% if (options.show_edge_tooltip_color) { %><span class="Rk-UserColor" style="background:<%-edge.color%>;"></span><% } %>'
-    + '<span class="Rk-Display-Title"><% if (edge.uri) { %><a href="<%-edge.uri%>" target="_blank"><% } %><%-edge.title%><% if (edge.uri) { %></a><% } %></span></h2>'
-    + '<% if (options.show_edge_tooltip_uri && edge.uri) { %><p class="Rk-Display-URI"><a href="<%-edge.uri%>" target="_blank"><%-edge.short_uri%></a></p><% } %>'
-    + '<p><%-edge.description%></p>'
-    + '<% if (options.show_edge_tooltip_nodes) { %><p><span class="Rk-Editor-Label"><%-renkan.translate("From:")%></span><span class="Rk-UserColor" style="background:<%-edge.from_color%>;"></span><%- shortenText(edge.from_title, 25) %></p>'
-    + '<p><span class="Rk-Editor-Label"><%-renkan.translate("To:")%></span><span class="Rk-UserColor" style="background:<%-edge.to_color%>;"></span><%- shortenText(edge.to_title, 25) %></p><% } %>'
-    + '<% if (options.show_edge_tooltip_creator && edge.has_creator) { %><p><span class="Rk-Editor-Label"><%-renkan.translate("Created by:")%></span><span class="Rk-UserColor" style="background:<%-edge.created_by_color%>;"></span><%- shortenText(edge.created_by_title, 25) %></p><% } %>'
-),
-draw: function() {
-    var _model = this.source_representation.model,
-        _from_model = _model.get("from"),
-        _to_model = _model.get("to"),
-        _created_by = _model.get("created_by") || _USER_PLACEHOLDER(this.renkan),
-        _template = (this.renderer.isEditable() ? this.template : this.readOnlyTemplate);
-    this.editor_$
-        .html(_template({
-            edge: {
-                has_creator: !!_model.get("created_by"),
-                title: _model.get("title"),
-                uri: _model.get("uri"),
-                short_uri:  shortenText((_model.get("uri") || "").replace(/^(https?:\/\/)?(www\.)?/,'').replace(/\/$/,''),40),
-                description: _model.get("description"),
-                color: _model.get("color") || _created_by.get("color"),
-                from_title: _from_model.get("title"),
-                to_title: _to_model.get("title"),
-                from_color: _from_model.get("color") || (_from_model.get("created_by") || _USER_PLACEHOLDER(this.renkan)).get("color"),
-                to_color: _to_model.get("color") || (_to_model.get("created_by") || _USER_PLACEHOLDER(this.renkan)).get("color"),
-                created_by_color: _created_by.get("color"),
-                created_by_title: _created_by.get("title")
-            },
-            renkan: this.renkan,
-            shortenText: shortenText,
-            options: this.options
-        }));
-    this.redraw();
-    var _this = this,
-        closeEditor = function() {
-            _this.renderer.removeRepresentation(_this);
-            paper.view.draw();
-        };
-    this.editor_$.find(".Rk-CloseX").click(closeEditor);
-    this.editor_$.find(".Rk-Edit-Goto").click(function() {
-        if (!_model.get("uri")) {
-            return false;
-        }
-    });
-    
-    if (this.renderer.isEditable()) {
-        
-        var onFieldChange = _(function() {
-            _(function() {
-                if (_this.renderer.isEditable()) {
-                    var _data = {
-                        title: _this.editor_$.find(".Rk-Edit-Title").val()
-                    };
-                    if (_this.options.show_edge_editor_uri) {
-                        _data.uri = _this.editor_$.find(".Rk-Edit-URI").val();
-                    }
-                    _this.editor_$.find(".Rk-Edit-Goto").attr("href",_data.uri || "#");
-                    _model.set(_data);
-                    paper.view.draw();
-                } else {
-                    closeEditor();
-                }
-            }).defer();
-        }).throttle(500);
-        
-        this.editor_$.on("keyup", function(_e) {
-            if (_e.keyCode === 27) {
-                closeEditor();
-            }
-        });
-        
-        this.editor_$.find("input").on("keyup change paste", onFieldChange);
-        
-        this.editor_$.find(".Rk-Edit-Vocabulary").change(function() {
-            var e = $(this),
-                v = e.val();
-            if (v) {
-                _this.editor_$.find(".Rk-Edit-Title").val(e.find(":selected").text());
-                _this.editor_$.find(".Rk-Edit-URI").val(v);
-                onFieldChange();
-            }
-        });
-        this.editor_$.find(".Rk-Edit-Direction").click(function() {
-            if (_this.renderer.isEditable()) {
-                _model.set({
-                    from: _model.get("to"),
-                    to: _model.get("from")
-                });
-                _this.draw();
-            } else {
-                closeEditor();
-            }
-        });
-        
-        var _picker = _this.editor_$.find(".Rk-Edit-ColorPicker");
-        
-        this.editor_$.find(".Rk-Edit-ColorPicker-Wrapper").hover(
-            function(_e) {
-                _e.preventDefault();
-                _picker.show();
-            },
-            function(_e) {
-                _e.preventDefault();
-                _picker.hide();
-            }
-        );
-        
-        _picker.find("li").hover(
-            function(_e) {
-                _e.preventDefault();
-                _this.editor_$.find(".Rk-Edit-Color").css("background", $(this).attr("data-color"));
-            },
-            function(_e) {
-                _e.preventDefault();
-                _this.editor_$.find(".Rk-Edit-Color").css("background", _model.get("color") || (_model.get("created_by") || _USER_PLACEHOLDER(_this.renkan)).get("color"));
-            }
-        ).click(function(_e) {
-            _e.preventDefault();
-            if (_this.renderer.isEditable()) {
-                _model.set("color", $(this).attr("data-color"));
-                _picker.hide();
-                paper.view.draw();
-            } else {
-                closeEditor();
-            }
-        });
-    }
-},
-redraw: function() {
-    var _coords = this.source_representation.paper_coords;
-    drawEditBox(this.options, _coords, this.editor_block, 5, this.editor_$);
-    this.editor_$.show();
-    paper.view.draw();
-}
-});
-
-/* */
-
-var _NodeButton = Renderer._NodeButton = Rkns.Utils.inherit(_BaseButton);
-
-_(_NodeButton.prototype).extend({
-setSectorSize: function() {
-    var sectorInner = this.source_representation.circle_radius;
-    if (sectorInner !== this.lastSectorInner) {
-        if (this.sector) {
-            this.sector.destroy();
-        }
-        this.sector = this.renderer.drawSector(
-            this, 1 + sectorInner,
-            _NODE_BUTTON_WIDTH + sectorInner,
-            this.startAngle,
-            this.endAngle,
-            1,
-            this.imageName,
-            this.renkan.translate(this.text)
-        );
-        this.lastSectorInner = sectorInner;
-    }
-}
-});
-
-/* */
-
-var NodeEditButton = Renderer.NodeEditButton = Rkns.Utils.inherit(_NodeButton);
-
-_(NodeEditButton.prototype).extend({
-_init: function() {
-    this.type = "Node-edit-button";
-    this.lastSectorInner = 0;
-    this.startAngle = -135;
-    this.endAngle = -45;
-    this.imageName = "edit";
-    this.text = "Edit";
-},
-mouseup: function() {
-    if (!this.renderer.is_dragging) {
-        this.source_representation.openEditor();
-    }
-}
-});
-
-/* */
-
-var NodeRemoveButton = Renderer.NodeRemoveButton = Rkns.Utils.inherit(_NodeButton);
-
-_(NodeRemoveButton.prototype).extend({
-_init: function() {
-    this.type = "Node-remove-button";
-    this.lastSectorInner = 0;
-    this.startAngle = 0;
-    this.endAngle = 90;
-    this.imageName = "remove";
-    this.text = "Remove";
-},
-mouseup: function() {
-    this.renderer.click_target = null;
-    this.renderer.is_dragging = false;
-    this.renderer.removeRepresentationsOfType("editor");
-    if (this.renderer.isEditable()) {
-        if (this.options.element_delete_delay) {
-            var delid = Rkns.Utils.getUID("delete");
-            this.renderer.delete_list.push({
-                id: delid,
-                time: new Date().valueOf() + this.options.element_delete_delay
-            });
-            this.source_representation.model.set("delete_scheduled", delid);
-        } else {
-            if (confirm(this.renkan.translate('Do you really wish to remove node ') + '"' + this.source_representation.model.get("title") + '"?')) {
-                this.project.removeNode(this.source_representation.model);
-            }
-        }
-    }
-}
-});
-
-/* */
-
-var NodeRevertButton = Renderer.NodeRevertButton = Rkns.Utils.inherit(_NodeButton);
-
-_(NodeRevertButton.prototype).extend({
-_init: function() {
-    this.type = "Node-revert-button";
-    this.lastSectorInner = 0;
-    this.startAngle = -135;
-    this.endAngle = 135;
-    this.imageName = "revert";
-    this.text = "Cancel deletion";
-},
-mouseup: function() {
-    this.renderer.click_target = null;
-    this.renderer.is_dragging = false;
-    if (this.renderer.isEditable()) {
-        this.source_representation.model.unset("delete_scheduled");
-    }
-}
-});
-
-/* */
-
-var NodeLinkButton = Renderer.NodeLinkButton = Rkns.Utils.inherit(_NodeButton);
-
-_(NodeLinkButton.prototype).extend({
-_init: function() {
-    this.type = "Node-link-button";
-    this.lastSectorInner = 0;
-    this.startAngle = 90;
-    this.endAngle = 180;
-    this.imageName = "link";
-    this.text = "Link to another node";
-},
-mousedown: function(_event, _isTouch) {
-    if (this.renderer.isEditable()) {
-        var _off = this.renderer.canvas_$.offset(),
-            _point = new paper.Point([
-                _event.pageX - _off.left,
-                _event.pageY - _off.top
-            ]);
-        this.renderer.click_target = null;
-        this.renderer.removeRepresentationsOfType("editor");
-        this.renderer.addTempEdge(this.source_representation, _point);
-    }
-}
-});
-
-/* */
-
-var NodeEnlargeButton = Renderer.NodeEnlargeButton = Rkns.Utils.inherit(_NodeButton);
-
-_(NodeEnlargeButton.prototype).extend({
-_init: function() {
-    this.type = "Node-enlarge-button";
-    this.lastSectorInner = 0;
-    this.startAngle = -45;
-    this.endAngle = 0;
-    this.imageName = "enlarge";
-    this.text = "Enlarge";
-},
-mouseup: function() {
-    var _newsize = 1 + (this.source_representation.model.get("size") || 0);
-    this.source_representation.model.set("size", _newsize);
-    this.source_representation.select();
-    this.select();
-    paper.view.draw();
-}
-});
-
-/* */
-
-var NodeShrinkButton = Renderer.NodeShrinkButton = Rkns.Utils.inherit(_NodeButton);
-
-_(NodeShrinkButton.prototype).extend({
-_init: function() {
-    this.type = "Node-shrink-button";
-    this.lastSectorInner = 0;
-    this.startAngle = -180;
-    this.endAngle = -135;
-    this.imageName = "shrink";
-    this.text = "Shrink";
-},
-mouseup: function() {
-    var _newsize = -1 + (this.source_representation.model.get("size") || 0);
-    this.source_representation.model.set("size", _newsize);
-    this.source_representation.select();
-    this.select();
-    paper.view.draw();
-}
-});
-
-/* */
-
-var EdgeEditButton = Renderer.EdgeEditButton = Rkns.Utils.inherit(_BaseButton);
-
-_(EdgeEditButton.prototype).extend({
-_init: function() {
-    this.type = "Edge-edit-button";
-    this.sector = this.renderer.drawSector(this, _EDGE_BUTTON_INNER, _EDGE_BUTTON_OUTER, -270, -90, 1, "edit", this.renkan.translate("Edit"));
-},
-mouseup: function() {
-    if (!this.renderer.is_dragging) {
-        this.source_representation.openEditor();
-    }
-}
-});
-
-/* */
-
-var EdgeRemoveButton = Renderer.EdgeRemoveButton = Rkns.Utils.inherit(_BaseButton);
-
-_(EdgeRemoveButton.prototype).extend({
-_init: function() {
-    this.type = "Edge-remove-button";
-    this.sector = this.renderer.drawSector(this, _EDGE_BUTTON_INNER, _EDGE_BUTTON_OUTER, -90, 90, 1, "remove", this.renkan.translate("Remove"));
-},
-mouseup: function() {
-    this.renderer.click_target = null;
-    this.renderer.is_dragging = false;
-    this.renderer.removeRepresentationsOfType("editor");
-    if (this.renderer.isEditable()) {
-        if (this.options.element_delete_delay) {
-            var delid = Rkns.Utils.getUID("delete");
-            this.renderer.delete_list.push({
-                id: delid,
-                time: new Date().valueOf() + this.options.element_delete_delay
-            });
-            this.source_representation.model.set("delete_scheduled", delid);
-        } else {
-            if (confirm(this.renkan.translate('Do you really wish to remove edge ') + '"' + this.source_representation.model.get("title") + '"?')) {
-                this.project.removeEdge(this.source_representation.model);
-            }
-        }
-    }
-}
-});
-
-/* */
-
-var EdgeRevertButton = Renderer.EdgeRevertButton = Rkns.Utils.inherit(_BaseButton);
-
-_(EdgeRevertButton.prototype).extend({
-_init: function() {
-    this.type = "Edge-revert-button";
-    this.sector = this.renderer.drawSector(this, _EDGE_BUTTON_INNER, _EDGE_BUTTON_OUTER, -135, 135, 1, "revert", this.renkan.translate("Cancel deletion"));
-},
-mouseup: function() {
-    this.renderer.click_target = null;
-    this.renderer.is_dragging = false;
-    if (this.renderer.isEditable()) {
-        this.source_representation.model.unset("delete_scheduled");
-    }
-}
-});
-
-/* */
-
-var MiniFrame = Renderer.MiniFrame = Rkns.Utils.inherit(_BaseRepresentation);
-
-_(MiniFrame.prototype).extend({
-paperShift: function(_delta) {
-    this.renderer.offset = this.renderer.offset.subtract(_delta.divide(this.renderer.minimap.scale).multiply(this.renderer.scale));
-    this.renderer.redraw();
-},
-mouseup: function(_delta) {
-    this.renderer.click_target = null;
-    this.renderer.is_dragging = false;
-}
-});
-
-/* */
-
-var Scene = Renderer.Scene = function(_renkan) {
-    this.renkan = _renkan;
-    this.$ = $(".Rk-Render");
-    this.representations = [];
-    this.$.html(this.template(_renkan));
-    this.onStatusChange();
-    this.canvas_$ = this.$.find(".Rk-Canvas");
-    this.labels_$ = this.$.find(".Rk-Labels");
-    this.editor_$ = this.$.find(".Rk-Editor");
-    this.notif_$ = this.$.find(".Rk-Notifications");
-    paper.setup(this.canvas_$[0]);
-    this.scale = 1;
-    this.initialScale = 1;
-    this.offset = paper.view.center;
-    this.totalScroll = 0;
-    this.mouse_down = false;
-    this.click_target = null;
-    this.selected_target = null;
-    this.edge_layer = new paper.Layer();
-    this.node_layer = new paper.Layer();
-    this.buttons_layer = new paper.Layer();
-    this.delete_list = [];
-    
-    if (_renkan.options.show_minimap) {
-        this.minimap = {
-            background_layer: new paper.Layer(),
-            edge_layer: new paper.Layer(),
-            node_layer: new paper.Layer(),
-            node_group: new paper.Group(),
-            size: new paper.Size( _renkan.options.minimap_width, _renkan.options.minimap_height )
-        };
-        
-        this.minimap.background_layer.activate();
-        this.minimap.topleft = paper.view.bounds.bottomRight.subtract(this.minimap.size);
-        this.minimap.rectangle = new paper.Path.Rectangle(this.minimap.topleft.subtract([2,2]), this.minimap.size.add([4,4]));
-        this.minimap.rectangle.fillColor = _renkan.options.minimap_background_color;
-        this.minimap.rectangle.strokeColor = _renkan.options.minimap_border_color;
-        this.minimap.rectangle.strokeWidth = 4;
-        this.minimap.offset = new paper.Point(this.minimap.size.divide(2));
-        this.minimap.scale = .1;
-        
-        this.minimap.node_layer.activate();
-        this.minimap.cliprectangle = new paper.Path.Rectangle(this.minimap.topleft, this.minimap.size);
-        this.minimap.node_group.addChild(this.minimap.cliprectangle);
-        this.minimap.node_group.clipped = true;
-        this.minimap.miniframe = new paper.Path.Rectangle(this.minimap.topleft, this.minimap.size);
-        this.minimap.node_group.addChild(this.minimap.miniframe);
-        this.minimap.miniframe.fillColor = '#c0c0ff';
-        this.minimap.miniframe.opacity = .3;
-        this.minimap.miniframe.strokeColor = '#000080';
-        this.minimap.miniframe.strokeWidth = 3;
-        this.minimap.miniframe.__representation = new MiniFrame(this, null);
-    }
-    
-    this.throttledPaperDraw = _(function() {
-        paper.view.draw();
-    }).throttle(100);
-    
-    this.bundles = [];
-    this.click_mode = false;
-    
-    var _this = this,
-        _allowScroll = true,
-        _originalScale,
-        _zooming = false,
-        _lastTapDate,
-        _lastTapX,
-        _lastTapY;
-    
-    this.image_cache = {};
-    this.icon_cache = {};
-    
-    ['edit', 'remove', 'link', 'enlarge', 'shrink', 'revert' ].forEach(function(imgname) {
-        var img = new Image();
-        img.src = _renkan.options.static_url + 'img/' + imgname + '.png';
-        _this.icon_cache[imgname] = img;
-    });
-    
-    var throttledMouseMove = _.throttle(function(_event, _isTouch) {
-        _this.onMouseMove(_event, _isTouch);
-    }, _MOUSEMOVE_RATE);
-        
-    this.canvas_$.on({
-        mousedown: function(_event) {
-            _event.preventDefault();
-            _this.onMouseDown(_event, false);
-        },
-        mousemove: function(_event) {
-            _event.preventDefault();
-            throttledMouseMove(_event, false);
-        },
-        mouseup: function(_event) {
-            _event.preventDefault();
-            _this.onMouseUp(_event, false);
-        },
-        mousewheel: function(_event, _delta) {
-            if(_renkan.options.zoom_on_scroll) {
-                _event.preventDefault();
-                if (_allowScroll) {
-                    _this.onScroll(_event, _delta);
-                }
-            }
-        },
-        touchstart: function(_event) {
-            _event.preventDefault();
-            var _touches = _event.originalEvent.touches[0];
-            if (
-                _renkan.options.allow_double_click
-                && new Date() - _lastTap < _DOUBLETAP_DELAY
-                && ( Math.pow(_lastTapX - _touches.pageX, 2) + Math.pow(_lastTapY - _touches.pageY, 2) < _DOUBLETAP_DISTANCE )
-            ) {
-                _lastTap = 0;
-                _this.onDoubleClick(_touches);
-            } else {
-                _lastTap = new Date();
-                _lastTapX = _touches.pageX;
-                _lastTapY = _touches.pageY;
-                _originalScale = _this.scale;
-                _zooming = false;
-                _this.onMouseDown(_touches, true);
-            }
-        },
-        touchmove: function(_event) {
-            _event.preventDefault();
-            _lastTap = 0;
-            if (_event.originalEvent.touches.length == 1) {
-                _this.onMouseMove(_event.originalEvent.touches[0], true);
-            } else {
-                if (!_zooming) {
-                    _this.onMouseUp(_event.originalEvent.touches[0], true);
-                    _this.click_target = null;
-                    _this.is_dragging = false;
-                    _zooming = true;
-                }
-                if (_event.originalEvent.scale === "undefined") {
-                    return;
-                }
-                var _newScale = _event.originalEvent.scale * _originalScale,
-                    _scaleRatio = _newScale / _this.scale,
-                    _newOffset = new paper.Point([
-                        _this.canvas_$.width(),
-                        _this.canvas_$.height()
-                    ]).multiply( .5 * ( 1 - _scaleRatio ) ).add(_this.offset.multiply( _scaleRatio ));
-                _this.setScale(_newScale, _this.offset);
-            }
-        },
-        touchend: function(_event) {
-            _event.preventDefault();
-            _this.onMouseUp(_event.originalEvent.changedTouches[0], true);
-        },
-        dblclick: function(_event) {
-            _event.preventDefault();
-            if (_renkan.options.allow_double_click) {
-                _this.onDoubleClick(_event);
-            }
-        },
-        mouseleave: function(_event) {
-            _event.preventDefault();
-            _this.onMouseUp(_event, false);
-            _this.click_target = null;
-            _this.is_dragging = false;
-        },
-        dragover: function(_event) {
-            _event.preventDefault();
-        },
-        dragenter: function(_event) {
-            _event.preventDefault();
-            _allowScroll = false;
-        },
-        dragleave: function(_event) {
-            _event.preventDefault();
-            _allowScroll = true;
-        },
-        drop: function(_event) {
-            _event.preventDefault();
-            _allowScroll = true;
-            var res = {};
-            _(_event.originalEvent.dataTransfer.types).each(function(t) {
-                try {
-                    res[t] = _event.originalEvent.dataTransfer.getData(t);
-                } catch(e) {}
-            });
-            var text = _event.originalEvent.dataTransfer.getData("Text");
-            if (typeof text === "string") {
-                switch(text[0]) {
-                    case "{":
-                    case "[":
-                        try {
-                            var data = JSON.parse(text);
-                            _(res).extend(data);
-                        }
-                        catch(e) {
-                            if (!res["text/plain"]) {
-                                res["text/plain"] = text;
-                            }
-                        }
-                    break;
-                    case "<":
-                        if (!res["text/html"]) {
-                            res["text/html"] = text;
-                        }
-                    break;
-                    default:
-                        if (!res["text/plain"]) {
-                            res["text/plain"] = text;
-                        }
-                }
-            }
-            var url = _event.originalEvent.dataTransfer.getData("URL");
-            if (url && !res["text/uri-list"]) {
-                res["text/uri-list"] = url;
-            }
-            _this.dropData(res, _event.originalEvent);
-        }
-    });
-    
-    var bindClick = function(selector, fname) {
-        _this.$.find(selector).click(function(evt) {
-            _this[fname](evt);
-            return false;
-        });
-    };
-    
-    bindClick(".Rk-ZoomOut", "zoomOut");
-    bindClick(".Rk-ZoomIn", "zoomIn");
-    this.$.find(".Rk-CurrentUser").mouseenter(
-        function() { _this.$.find(".Rk-UserList").slideDown(); }
-    );
-    this.$.find(".Rk-Users").mouseleave(
-        function() { _this.$.find(".Rk-UserList").slideUp(); }
-    );
-    bindClick(".Rk-FullScreen-Button", "fullScreen");
-    bindClick(".Rk-AddNode-Button", "addNodeBtn");
-    bindClick(".Rk-AddEdge-Button", "addEdgeBtn");
-    bindClick(".Rk-Save-Button", "save");
-    bindClick(".Rk-Open-Button", "open");
-    this.$.find(".Rk-Bookmarklet-Button")
-        .attr("href","javascript:" + _BOOKMARKLET_CODE(_renkan))
-        .click(function(){
-            _this.notif_$
-                .text(_renkan.translate("Drag this button to your bookmark bar. When on a third-party website, click it to enable drag-and-drop from the website to Renkan."))
-                .fadeIn()
-                .delay(5000)
-                .fadeOut();
-            return false;
-        });
-    this.$.find(".Rk-TopBar-Button").mouseover(function() {
-        $(this).find(".Rk-TopBar-Tooltip").show();
-    }).mouseout(function() {
-        $(this).find(".Rk-TopBar-Tooltip").hide();
-    });
-    bindClick(".Rk-Fold-Bins", "foldBins");
-    
-    paper.view.onResize = function(_event) {
-        _this.offset = _this.offset.add(_event.delta.divide(2));
-        if (_this.minimap) {
-            _this.minimap.topleft = paper.view.bounds.bottomRight.subtract(_this.minimap.size);
-            _this.minimap.rectangle.fitBounds(_this.minimap.topleft.subtract([2,2]), _this.minimap.size.add([4,4]));
-            _this.minimap.cliprectangle.fitBounds(_this.minimap.topleft, _this.minimap.size);
-        }
-        _this.redraw();
-    };
-    
-    var _thRedraw = _.throttle(function() {
-        _this.redraw();
-    },50);
-    
-    this.addRepresentations("Node", this.renkan.project.get("nodes"));
-    this.addRepresentations("Edge", this.renkan.project.get("edges"));
-    this.renkan.project.on("change:title", function() {
-        _this.$.find(".Rk-PadTitle").val(_renkan.project.get("title"));
-    });
-    
-    this.$.find(".Rk-PadTitle").on("keyup input paste", function() {
-        _renkan.project.set({"title": $(this).val()});
-    });
-    
-    var _thRedrawUsers = _.throttle(function() {
-        _this.redrawUsers();
-    }, 100);
-    
-    _thRedrawUsers();
-    
-    this.renkan.project.on("add:users remove:users", _thRedrawUsers);
-    
-    this.renkan.project.on("add:nodes", function(_node) {
-        _this.addRepresentation("Node", _node);
-        _thRedraw();
-    });
-    this.renkan.project.on("add:edges", function(_edge) {
-        _this.addRepresentation("Edge", _edge);
-        _thRedraw();
-    });
-    this.renkan.project.on("change:title", function(_model, _title) {
-        var el = _this.$.find(".Rk-PadTitle");
-        if (el.is("input")) {
-            if (el.val() !== _title) {
-                el.val(_title);
-            }
-        } else {
-            el.text(_title);
-        }
-    });
-    
-    if (_renkan.options.size_bug_fix) {
-        var _delay = (
-            typeof _renkan.options.size_bug_fix === "number"
-            ? _renkan.options.size_bug_fix
-            : 500
-        );
-        window.setTimeout(
-            function() {
-                _this.fixSize(true);
-            },
-            _delay
-        );
-    }
-    
-    if (_renkan.options.force_resize) {
-        $(window).resize(function() {
-            _this.fixSize(false);
-        });
-    }
-    
-    if (_renkan.options.show_user_list && _renkan.options.user_color_editable) {
-        var $cpwrapper = this.$.find(".Rk-Users .Rk-Edit-ColorPicker-Wrapper"),
-            $cplist = this.$.find(".Rk-Users .Rk-Edit-ColorPicker");
-        
-        $cpwrapper.hover(
-            function(_e) {
-                if (_this.isEditable()) {
-                    _e.preventDefault();
-                    $cplist.show();
-                }
-            },
-            function(_e) {
-                _e.preventDefault();
-                $cplist.hide();
-            }
-        );
-        
-        $cplist.find("li").mouseenter(
-            function(_e) {
-                if (_this.isEditable()) {
-                    _e.preventDefault();
-                    _this.$.find(".Rk-CurrentUser-Color").css("background", $(this).attr("data-color"));
-                }
-            }
-        );
-    }
-    
-    if (_renkan.options.show_search_field) {
-        
-        var lastval = '';
-        
-        this.$.find(".Rk-GraphSearch-Field").on("keyup change paste input", function() {
-            var $this = $(this),
-                val = $this.val();
-            if (val === lastval) {
-                return;
-            }
-            lastval = val;
-            if (val.length < 2) {
-                _renkan.project.get("nodes").each(function(n) {
-                    _this.getRepresentationByModel(n).unhighlight();
-                });
-            } else {
-                var rxs = Rkns.Utils.regexpFromTextOrArray(val);
-                _renkan.project.get("nodes").each(function(n) {
-                    if (rxs.test(n.get("title")) || rxs.test(n.get("description"))) {
-                        _this.getRepresentationByModel(n).highlight(rxs);
-                    } else {
-                        _this.getRepresentationByModel(n).unhighlight(); 
-                    }
-                });
-            }
-        });
-    }
-    
-    this.redraw();
-    
-    window.setInterval(function() {
-        var _now = new Date().valueOf();
-        _this.delete_list.forEach(function(d) {
-            if (_now >= d.time) {
-                var el = _renkan.project.get("nodes").findWhere({"delete_scheduled":d.id});
-                if (el) {
-                    project.removeNode(el);
-                }
-                el = _renkan.project.get("edges").findWhere({"delete_scheduled":d.id});
-                if (el) {
-                    project.removeEdge(el);
-                }
-            }
-        });
-        _this.delete_list = _this.delete_list.filter(function(d) {
-            return _renkan.project.get("nodes").findWhere({"delete_scheduled":d.id}) || _renkan.project.get("edges").findWhere({"delete_scheduled":d.id});
-        });
-    }, 500);
-    
-    if (this.minimap) {
-        window.setInterval(function() {
-            _this.rescaleMinimap();
-        }, 2000);
-    }
-
-};
-
-_(Scene.prototype).extend({
-template: _.template(
-    '<% if (options.show_top_bar) { %><div class="Rk-TopBar"><% if (!options.editor_mode) { %><h2 class="Rk-PadTitle"><%- project.get("title") || translate("Untitled project")%></h2>'
-    + '<% } else { %><input type="text" class="Rk-PadTitle" value="<%- project.get("title") || "" %>" placeholder="<%-translate("Untitled project")%>" /><% } %>'
-    + '<% if (options.show_user_list) { %><div class="Rk-Users"><div class="Rk-CurrentUser"><div class="Rk-Edit-ColorPicker-Wrapper"><span class="Rk-CurrentUser-Color"><% if (options.user_color_editable) { %><span class="Rk-Edit-ColorTip"></span><% } %></span>'
-    + '<% if (options.user_color_editable) { print(colorPicker) } %></div><span class="Rk-CurrentUser-Name">&lt;unknown user&gt;</span></div><ul class="Rk-UserList"></ul></div><% } %>'
-    + '<% if (options.home_button_url) {%><div class="Rk-TopBar-Separator"></div><a class="Rk-TopBar-Button Rk-Home-Button" href="<%- options.home_button_url %>"><div class="Rk-TopBar-Tooltip"><div class="Rk-TopBar-Tooltip-Contents">'
-    + '<%- translate(options.home_button_title) %></div></div></a><% } %>'
-    + '<% if (options.show_fullscreen_button) { %><div class="Rk-TopBar-Separator"></div><div class="Rk-TopBar-Button Rk-FullScreen-Button"><div class="Rk-TopBar-Tooltip"><div class="Rk-TopBar-Tooltip-Contents"><%-translate("Full Screen")%></div></div></div><% } %>'
-    + '<% if (options.editor_mode) { %>'
-    + '<% if (options.show_addnode_button) { %><div class="Rk-TopBar-Separator"></div><div class="Rk-TopBar-Button Rk-AddNode-Button"><div class="Rk-TopBar-Tooltip">'
-    + '<div class="Rk-TopBar-Tooltip-Contents"><%-translate("Add Node")%></div></div></div><% } %>'
-    + '<% if (options.show_addedge_button) { %><div class="Rk-TopBar-Separator"></div><div class="Rk-TopBar-Button Rk-AddEdge-Button"><div class="Rk-TopBar-Tooltip">'
-    + '<div class="Rk-TopBar-Tooltip-Contents"><%-translate("Add Edge")%></div></div></div><% } %>'
-    + '<% if (options.show_save_button) { %><div class="Rk-TopBar-Separator"></div><div class="Rk-TopBar-Button Rk-Save-Button"><div class="Rk-TopBar-Tooltip"><div class="Rk-TopBar-Tooltip-Contents"> </div></div></div><% } %>'
-    + '<% if (options.show_open_button) { %><div class="Rk-TopBar-Separator"></div><div class="Rk-TopBar-Button Rk-Open-Button"><div class="Rk-TopBar-Tooltip"><div class="Rk-TopBar-Tooltip-Contents"><%-translate("Open Project")%></div></div></div><% } %>'
-    + '<% if (options.show_bookmarklet) { %><div class="Rk-TopBar-Separator"></div><a class="Rk-TopBar-Button Rk-Bookmarklet-Button" href="#"><div class="Rk-TopBar-Tooltip"><div class="Rk-TopBar-Tooltip-Contents">'
-    + '<%-translate("Renkan \'Drag-to-Add\' bookmarklet")%></div></div></a><% } %>'
-    + '<div class="Rk-TopBar-Separator"></div><% }; if (options.show_search_field) { %>'
-    + '<form action="#" class="Rk-GraphSearch-Form"><input type="search" class="Rk-GraphSearch-Field" placeholder="<%- translate("Search in graph") %>" /></form><div class="Rk-TopBar-Separator"></div><% } %></div><% } %>'
-    + '<div class="Rk-Editing-Space<% if (!options.show_top_bar) { %> Rk-Editing-Space-Full<% } %>">'
-    + '<div class="Rk-Labels"></div><canvas class="Rk-Canvas" resize></canvas><div class="Rk-Notifications"></div><div class="Rk-Editor">'
-    + '<% if (options.show_bins) { %><div class="Rk-Fold-Bins">&laquo;</div><% } %>'
-    + '<div class="Rk-ZoomButtons"><div class="Rk-ZoomIn" title="<%-translate("Zoom In")%>"></div><div class="Rk-ZoomOut" title="<%-translate("Zoom Out")%>"></div></div>'
-    + '</div></div>'
-),
-fixSize: function(_autoscale) {
-    var w = this.$.width(),
-        h = this.$.height();
-    if (this.renkan.options.show_top_bar) {
-        h -= this.$.find(".Rk-TopBar").height();
-    }
-    this.canvas_$.attr({
-        width: w,
-        height: h
-    });
-    
-    paper.view.viewSize = new paper.Size([w, h]);
-    
-    if (_autoscale) {
-        this.autoScale();
-    }
-},
-drawSector: function(_repr, _inR, _outR, _startAngle, _endAngle, _padding, _imgname, _caption) {
-    var _options = this.renkan.options,
-        _startRads = _startAngle * Math.PI / 180,
-        _endRads = _endAngle * Math.PI / 180,
-        _img = this.icon_cache[_imgname],
-        _span = _endRads - _startRads,
-        _startdx = - Math.sin(_startRads),
-        _startdy = Math.cos(_startRads),
-        _startXIn = Math.cos(_startRads) * _inR + _padding * _startdx,
-        _startYIn = Math.sin(_startRads) * _inR + _padding * _startdy,
-        _startXOut = Math.cos(_startRads) * _outR + _padding * _startdx,
-        _startYOut = Math.sin(_startRads) * _outR + _padding * _startdy,
-        _enddx = - Math.sin(_endRads),
-        _enddy = Math.cos(_endRads),
-        _endXIn = Math.cos(_endRads) * _inR - _padding * _enddx,
-        _endYIn = Math.sin(_endRads) * _inR - _padding * _enddy,
-        _endXOut = Math.cos(_endRads) * _outR - _padding * _enddx,
-        _endYOut = Math.sin(_endRads) * _outR - _padding * _enddy,
-        _centerR = (_inR + _outR)/2,
-        _centerRads = (_startRads + _endRads) / 2,
-        _centerX = Math.cos(_centerRads) * _centerR,
-        _centerY = Math.sin(_centerRads) * _centerR,
-        _centerXIn = Math.cos(_centerRads) * _inR,
-        _centerXOut = Math.cos(_centerRads) * _outR,
-        _centerYIn = Math.sin(_centerRads) * _inR,
-        _centerYOut = Math.sin(_centerRads) * _outR,
-        _textX = Math.cos(_centerRads) * (_outR + 3),
-        _textY = Math.sin(_centerRads) * (_outR + _options.buttons_label_font_size) + _options.buttons_label_font_size / 2,
-        _segments = [];
-    this.buttons_layer.activate();
-    var _path = new paper.Path();
-    _path.add([_startXIn, _startYIn]);
-    _path.arcTo([_centerXIn, _centerYIn], [_endXIn, _endYIn]);
-    _path.lineTo([_endXOut,  _endYOut]);
-    _path.arcTo([_centerXOut, _centerYOut], [_startXOut, _startYOut]);
-    _path.fillColor = _options.buttons_background;
-    _path.opacity = .5;
-    _path.closed = true;
-    _path.__representation = _repr;
-    var _text = new paper.PointText(_textX,_textY);
-    _text.characterStyle = {
-        fontSize: _options.buttons_label_font_size,
-        fillColor: _options.buttons_label_color
-    };
-    if (_textX > 2) {
-        _text.paragraphStyle.justification = 'left';
-    } else if (_textX < -2) {
-        _text.paragraphStyle.justification = 'right';
-    } else {
-        _text.paragraphStyle.justification = 'center';
-    }
-    _text.visible = false;
-    var _visible = false,
-        _restPos = new paper.Point(-200, -200),
-        _grp = new paper.Group([_path, _text]),
-        _delta = _grp.position,
-        _imgdelta = new paper.Point([_centerX, _centerY]),
-        _currentPos = new paper.Point(0,0);
-    _text.content = _caption;
-    _grp.visible = false;
-    _grp.position = _restPos;
-    var _res = {
-        show: function() {
-            _visible = true;
-            _grp.position = _currentPos.add(_delta);
-            _grp.visible = true;
-        },
-        moveTo: function(_point) {
-            _currentPos = _point;
-            if (_visible) {
-                _grp.position = _point.add(_delta);
-            }
-        },
-        hide: function() {
-            _visible = false;
-            _grp.visible = false;
-            _grp.position = _restPos;
-        },
-        select: function() {
-            _path.opacity = .8;
-            _text.visible = true;
-        },
-        unselect: function() {
-            _path.opacity = .5;
-            _text.visible = false;
-        },
-        destroy: function() {
-            _grp.remove();
-        }
-    };
-    function showImage() {
-        var _raster = new paper.Raster(_img);
-        _raster.position = _imgdelta.add(_grp.position).subtract(_delta);
-        _grp.addChild(_raster);
-    }
-    if (_img.width) {
-        showImage();
-    } else {
-        $(_img).on("load",showImage);
-    }
-    
-    return _res;
-},
-addToBundles: function(_edgeRepr) {
-    var _bundle = _(this.bundles).find(function(_bundle) {
-        return ( 
-            ( _bundle.from === _edgeRepr.from_representation && _bundle.to === _edgeRepr.to_representation )
-            || ( _bundle.from === _edgeRepr.to_representation && _bundle.to === _edgeRepr.from_representation )
-        );
-    });
-    if (typeof _bundle !== "undefined") {
-        _bundle.edges.push(_edgeRepr);
-    } else {
-        _bundle = {
-            from: _edgeRepr.from_representation,
-            to: _edgeRepr.to_representation,
-            edges: [ _edgeRepr ],
-            getPosition: function(_er) {
-                var _dir = (_er.from_representation === this.from) ? 1 : -1;
-                return _dir * ( _(this.edges).indexOf(_er) - (this.edges.length - 1) / 2 );
-            }
-        };
-        this.bundles.push(_bundle);
-    }
-    return _bundle;
-},
-isEditable: function() {
-    return (this.renkan.options.editor_mode && !this.renkan.read_only);
-},
-onStatusChange: function() {
-    var savebtn = this.$.find(".Rk-Save-Button"),
-        tip = savebtn.find(".Rk-TopBar-Tooltip-Contents");
-    if (this.renkan.read_only) {
-        savebtn.removeClass("disabled Rk-Save-Online").addClass("Rk-Save-ReadOnly");
-        tip.text(this.renkan.translate("Connection lost"));
-    } else {
-        if (this.renkan.options.snapshot_mode) {
-            savebtn.removeClass("Rk-Save-ReadOnly Rk-Save-Online");
-            tip.text(this.renkan.translate("Save Project"));
-        } else {
-            savebtn.removeClass("disabled Rk-Save-ReadOnly").addClass("Rk-Save-Online");
-            tip.text(this.renkan.translate("Auto-save enabled"));
-        }
-    }
-    this.redrawUsers();
-},
-setScale: function(_newScale, _offset) {
-    if ((_newScale/this.initialScale) > _MIN_SCALE && (_newScale/this.initialScale) < _MAX_SCALE) {
-        this.scale = _newScale;
-        if (_offset) {
-            this.offset = _offset;
-        }
-        this.redraw();
-    }
-},
-autoScale: function() {
-    var nodes = this.renkan.project.get("nodes");
-    if (nodes.length > 1) {
-        var _xx = nodes.map(function(_node) { return _node.get("position").x; }),
-            _yy = nodes.map(function(_node) { return _node.get("position").y; }),
-            _minx = Math.min.apply(Math, _xx),
-            _miny = Math.min.apply(Math, _yy),
-            _maxx = Math.max.apply(Math, _xx),
-            _maxy = Math.max.apply(Math, _yy);
-        var _scale = Math.min( (paper.view.size.width - 2 * this.renkan.options.autoscale_padding) / (_maxx - _minx), (paper.view.size.height - 2 * this.renkan.options.autoscale_padding) / (_maxy - _miny));
-        this.initialScale = _scale;
-        this.setScale(_scale, paper.view.center.subtract(new paper.Point([(_maxx + _minx) / 2, (_maxy + _miny) / 2]).multiply(_scale)));
-    }
-    if (nodes.length === 1) {
-        this.setScale(1, paper.view.center.subtract(new paper.Point([nodes.at(0).get("position").x, nodes.at(0).get("position").y])));
-    }
-},
-redrawMiniframe: function() {
-    var topleft = this.toMinimapCoords(this.toModelCoords(new paper.Point([0,0]))),
-        bottomright = this.toMinimapCoords(this.toModelCoords(paper.view.bounds.bottomRight));
-    this.minimap.miniframe.fitBounds(topleft, bottomright);
-},
-rescaleMinimap: function() {
-    var nodes = this.renkan.project.get("nodes");
-    if (nodes.length > 1) {
-        var _xx = nodes.map(function(_node) { return _node.get("position").x; }),
-            _yy = nodes.map(function(_node) { return _node.get("position").y; }),
-            _minx = Math.min.apply(Math, _xx),
-            _miny = Math.min.apply(Math, _yy),
-            _maxx = Math.max.apply(Math, _xx),
-            _maxy = Math.max.apply(Math, _yy);
-        var _scale = Math.min(
-            this.scale * .8 * this.renkan.options.minimap_width / paper.view.bounds.width,
-            this.scale * .8 * this.renkan.options.minimap_height / paper.view.bounds.height,
-            ( this.renkan.options.minimap_width - 2 * this.renkan.options.minimap_padding ) / (_maxx - _minx),
-            ( this.renkan.options.minimap_height - 2 * this.renkan.options.minimap_padding ) / (_maxy - _miny)
-        );
-        this.minimap.offset = this.minimap.size.divide(2).subtract(new paper.Point([(_maxx + _minx) / 2, (_maxy + _miny) / 2]).multiply(_scale));
-        this.minimap.scale = _scale;
-    }
-    if (nodes.length === 1) {
-        this.minimap.scale = .1;
-        this.minimap.offset = this.minimap.size.divide(2).subtract(new paper.Point([nodes.at(0).get("position").x, nodes.at(0).get("position").y]).multiply(this.minimap.scale));
-    }
-    this.redraw();
-},
-toPaperCoords: function(_point) {
-    return _point.multiply(this.scale).add(this.offset);
-},
-toMinimapCoords: function(_point) {
-    return _point.multiply(this.minimap.scale).add(this.minimap.offset).add(this.minimap.topleft);
-},
-toModelCoords: function(_point) {
-    return _point.subtract(this.offset).divide(this.scale);
-},
-addRepresentation: function(_type, _model) {
-    var _repr = new Renderer[_type](this, _model);
-    this.representations.push(_repr);
-    return _repr;
-},
-addRepresentations: function(_type, _collection) {
-    var _this = this;
-    _collection.forEach(function(_model) {
-        _this.addRepresentation(_type, _model);
-    });
-},
-userTemplate: _.template(
-    '<li class="Rk-User"><span class="Rk-UserColor" style="background:<%=background%>;"></span><%=name%></li>'
-),
-redrawUsers: function() {
-    if (!this.renkan.options.show_user_list) {
-        return;
-    }
-    var allUsers = [].concat((this.renkan.project.current_user_list || {}).models || [], (this.renkan.project.get("users") || {}).models || []),
-        ulistHtml = '',
-        $userpanel = this.$.find(".Rk-Users"),
-        $name = $userpanel.find(".Rk-CurrentUser-Name"),
-        $cpwrapper = $userpanel.find(".Rk-Edit-ColorPicker-Wrapper"),
-        $cpitems = $userpanel.find(".Rk-Edit-ColorPicker li"),
-        $colorsquare = $userpanel.find(".Rk-CurrentUser-Color"),
-        _this = this;
-    $name.off("click").text(this.renkan.translate("<unknown user>"));
-    $cpitems.off("mouseleave click");
-    allUsers.forEach(function(_user) {
-        if (_user.get("_id") === _this.renkan.current_user) {
-            $name.text(_user.get("title"));
-            $colorsquare.css("background", _user.get("color"));
-            if (_this.isEditable()) {
-                
-                if (_this.renkan.options.user_name_editable) {
-                    $name.click(function() {
-                        var $this = $(this),
-                            $input = $('<input>').val(_user.get("title")).blur(function() {
-                                _user.set("title", $(this).val());
-                                _this.redrawUsers();
-                                _this.redraw();
-                            });
-                        $this.empty().html($input);
-                        $input.select();
-                    });
-                }
-                
-                if (_this.renkan.options.user_color_editable) {
-                    $cpitems.click(
-                        function(_e) {
-                            _e.preventDefault();
-                            if (_this.isEditable()) {
-                                _user.set("color", $(this).attr("data-color"));
-                            }
-                            $(this).parent().hide();
-                        }
-                    ).mouseleave(function() {
-                        $colorsquare.css("background", _user.get("color"));
-                    });
-                }
-            }
-            
-        } else {
-            ulistHtml += _this.userTemplate({
-                name: _user.get("title"),
-                background: _user.get("color")
-            });
-        }
-    });
-    $userpanel.find(".Rk-UserList").html(ulistHtml);
-},
-removeRepresentation: function(_representation) {
-    _representation.destroy();
-    this.representations = _(this.representations).reject(
-        function(_repr) {
-            return _repr == _representation;
-        }
-    );
-},
-getRepresentationByModel: function(_model) {
-    if (!_model) {
-        return undefined;
-    }
-    return _(this.representations).find(function(_repr) {
-        return _repr.model === _model;
-    });
-},
-removeRepresentationsOfType: function(_type) {
-    var _representations = _(this.representations).filter(function(_repr) {
-            return _repr.type == _type;
-        }),
-        _this = this;
-    _(_representations).each(function(_repr) {
-        _this.removeRepresentation(_repr);
-    });
-},
-highlightModel: function(_model) {
-    var _repr = this.getRepresentationByModel(_model);
-    if (_repr) {
-        _repr.highlight();
-    }
-},
-unhighlightAll: function(_model) {
-    _(this.representations).each(function(_repr) {
-        _repr.unhighlight();
-    });
-},
-unselectAll: function(_model) {
-    _(this.representations).each(function(_repr) {
-        _repr.unselect();
-    });
-},
-redraw: function() {
-    _(this.representations).each(function(_representation) {
-        _representation.redraw(true);
-    });
-    if (this.minimap) {
-        this.redrawMiniframe();
-    }
-    paper.view.draw();
-},
-addTempEdge: function(_from, _point) {
-    var _tmpEdge = this.addRepresentation("TempEdge",null);
-    _tmpEdge.end_pos = _point;
-    _tmpEdge.from_representation = _from;
-    _tmpEdge.redraw();
-    this.click_target = _tmpEdge;
-},
-findTarget: function(_hitResult) {
-    if (_hitResult && typeof _hitResult.item.__representation !== "undefined") {
-        var _newTarget = _hitResult.item.__representation;
-        if (this.selected_target !== _hitResult.item.__representation) {
-            if (this.selected_target) {
-                this.selected_target.unselect(_newTarget);
-            }
-            _newTarget.select(this.selected_target);
-            this.selected_target = _newTarget;
-        }
-    } else {
-        if (this.selected_target) {
-            this.selected_target.unselect();
-        }
-        this.selected_target = null;
-    }
-},
-paperShift: function(_delta) {
-    this.offset = this.offset.add(_delta);
-    this.redraw();
-},
-onMouseMove: function(_event) {
-    var _off = this.canvas_$.offset(),
-        _point = new paper.Point([
-            _event.pageX - _off.left,
-            _event.pageY - _off.top
-        ]),
-        _delta = _point.subtract(this.last_point);
-    this.last_point = _point;
-    if (!this.is_dragging && this.mouse_down && _delta.length > _MIN_DRAG_DISTANCE) {
-        this.is_dragging = true;
-    }
-    var _hitResult = paper.project.hitTest(_point);
-    if (this.is_dragging) {
-        if (this.click_target && typeof this.click_target.paperShift === "function") {
-            this.click_target.paperShift(_delta);
-        } else {
-            this.paperShift(_delta);
-        }
-    } else {
-        this.findTarget(_hitResult);
-    }
-    paper.view.draw();
-},
-onMouseDown: function(_event, _isTouch) {
-    var _off = this.canvas_$.offset(),
-        _point = new paper.Point([
-            _event.pageX - _off.left,
-            _event.pageY - _off.top
-        ]);
-    this.last_point = _point;
-    this.mouse_down = true;
-    if (!this.click_target || this.click_target.type !== "Temp-edge") {
-        this.removeRepresentationsOfType("editor");
-        this.is_dragging = false;
-        var _hitResult = paper.project.hitTest(_point);
-        if (_hitResult && typeof _hitResult.item.__representation !== "undefined") {
-            this.click_target = _hitResult.item.__representation;
-            this.click_target.mousedown(_event, _isTouch);
-        } else {
-            this.click_target = null;
-            if (this.isEditable() && this.click_mode === _CLICKMODE_ADDNODE) {
-                var _coords = this.toModelCoords(_point),
-                    _data = {
-                        id: Rkns.Utils.getUID('node'),
-                        created_by: this.renkan.current_user,
-                        position: {
-                            x: _coords.x,
-                            y: _coords.y
-                        }
-                    };
-                    _node = this.renkan.project.addNode(_data);
-                this.getRepresentationByModel(_node).openEditor();
-            }
-        }
-    }
-    if (this.click_mode) {
-        if (this.isEditable() && this.click_mode === _CLICKMODE_STARTEDGE && this.click_target && this.click_target.type === "Node") {
-            this.removeRepresentationsOfType("editor");
-            this.addTempEdge(this.click_target, _point);
-            this.click_mode = _CLICKMODE_ENDEDGE;
-            this.notif_$.fadeOut(function() {
-                $(this).html(_renkan.translate("Click on a second node to complete the edge")).fadeIn();
-            });
-        } else {
-            this.notif_$.hide();
-            this.click_mode = false;
-        }
-    }
-    paper.view.draw();
-},
-onMouseUp: function(_event, _isTouch) {
-    this.mouse_down = false;
-    if (this.click_target) {
-        var _off = this.canvas_$.offset();
-        this.click_target.mouseup(
-            {
-                point: new paper.Point([
-                    _event.pageX - _off.left,
-                    _event.pageY - _off.top
-                ])
-            },
-            _isTouch
-        );
-    } else {
-        this.click_target = null;
-        this.is_dragging = false;
-        if (_isTouch) {
-            this.unselectAll();
-        }
-    }
-    paper.view.draw();
-},
-onScroll: function(_event, _scrolldelta) {
-    this.totalScroll += _scrolldelta;
-    if (Math.abs(this.totalScroll) >= 1) {
-        var _off = this.canvas_$.offset(),
-            _delta = new paper.Point([
-                _event.pageX - _off.left,
-                _event.pageY - _off.top
-            ]).subtract(this.offset).multiply( Math.SQRT2 - 1 );
-        if (this.totalScroll > 0) {
-            this.setScale( this.scale * Math.SQRT2, this.offset.subtract(_delta) );
-        } else {
-            this.setScale( this.scale * Math.SQRT1_2, this.offset.add(_delta.divide(Math.SQRT2)));
-        }
-        this.totalScroll = 0;
-    }
-},
-onDoubleClick: function(_event) {
-    if (!this.isEditable()) {
-        return;
-    }
-    var _off = this.canvas_$.offset(),
-        _point = new paper.Point([
-            _event.pageX - _off.left,
-            _event.pageY - _off.top
-        ]);
-    var _hitResult = paper.project.hitTest(_point);
-    if (this.isEditable() && (!_hitResult || typeof _hitResult.item.__representation === "undefined")) {
-        var _coords = this.toModelCoords(_point),
-            _data = {
-                id: Rkns.Utils.getUID('node'),
-                created_by: this.renkan.current_user,
-                position: {
-                    x: _coords.x,
-                    y: _coords.y
-                }
-            },
-            _node = this.renkan.project.addNode(_data);
-        this.getRepresentationByModel(_node).openEditor();
-    }
-    paper.view.draw();
-},
-dropData: function(_data, _event) {
-    if (!this.isEditable()) {
-        return;
-    }
-    if (_data["text/json"] || _data["application/json"]) {
-        try {
-            var jsondata = JSON.parse(_data["text/json"] || _data["application/json"]);
-            _(_data).extend(jsondata);
-        }
-        catch(e) {}
-    }
-    var newNode = {};
-    switch(_data["text/x-iri-specific-site"]) {
-        case "twitter":
-            var snippet = $('<div>').html(_data["text/x-iri-selected-html"]),
-                tweetdiv = snippet.find(".tweet");
-            newNode.title = _renkan.translate("Tweet by ") + tweetdiv.attr("data-name");
-            newNode.uri = "http://twitter.com/" + tweetdiv.attr("data-screen-name") + "/status/" + tweetdiv.attr("data-tweet-id");
-            newNode.image = tweetdiv.find(".avatar").attr("src");
-            newNode.description = tweetdiv.find(".js-tweet-text:first").text();
-        break;
-        case "google":
-            var snippet = $('<div>').html(_data["text/x-iri-selected-html"]);
-            newNode.title = snippet.find("h3:first").text().trim();
-            newNode.uri = snippet.find("h3 a").attr("href");
-            newNode.description = snippet.find(".st:first").text().trim();
-        break;
-        case undefined:
-        default:
-            if (_data["text/x-iri-source-uri"]) {
-                newNode.uri = _data["text/x-iri-source-uri"];
-            }
-            if (_data["text/plain"] || _data["text/x-iri-selected-text"]) {
-                newNode.description = (_data["text/plain"] || _data["text/x-iri-selected-text"]).replace(/[\s\n]+/gm,' ').trim();
-            }
-            if (_data["text/html"] || _data["text/x-iri-selected-html"]) {
-                var snippet = $('<div>').html(_data["text/html"] || _data["text/x-iri-selected-html"]);
-                var _svgimgs = snippet.find("image");
-                if (_svgimgs.length) {
-                    newNode.image = _svgimgs.attr("xlink:href");
-                }
-                var _svgpaths = snippet.find("path");
-                if (_svgpaths.length) {
-                    newNode.clipPath = _svgpaths.attr("d");
-                }
-                var _imgs = snippet.find("img");
-                if (_imgs.length) {
-                    newNode.image = _imgs[0].src;
-                }
-                var _as = snippet.find("a");
-                if (_as.length) {
-                    newNode.uri = _as[0].href;
-                }
-                newNode.title = snippet.find("[title]").attr("title") || newNode.title;
-                newNode.description = snippet.text().replace(/[\s\n]+/gm,' ').trim();
-            }
-            if (_data["text/uri-list"]) {
-                newNode.uri = _data["text/uri-list"];
-            }
-            if (_data["text/x-moz-url"] && !newNode.title) {
-                newNode.title = (_data["text/x-moz-url"].split("\n")[1] || "").trim();
-                if (newNode.title === newNode.uri) {
-                    newNode.title = false;
-                }
-            }
-            if (_data["text/x-iri-source-title"] && !newNode.title) {
-                newNode.title = _data["text/x-iri-source-title"];
-            }
-            if (_data["text/html"] || _data["text/x-iri-selected-html"]) {
-                newNode.image = snippet.find("[data-image]").attr("data-image") || newNode.image;
-                newNode.uri = snippet.find("[data-uri]").attr("data-uri") || newNode.uri;
-                newNode.title = snippet.find("[data-title]").attr("data-title") || newNode.title;
-                newNode.description = snippet.find("[data-description]").attr("data-description") || newNode.description;
-                newNode.description = snippet.find("[data-clip-path]").attr("data-clip-path") || newNode.description;
-            }
-    }
-    if (!newNode.title) {
-        newNode.title = this.renkan.translate("Dragged resource");
-    }
-    var fields = ["title", "description", "uri", "image"];
-    for (var i = 0; i < fields.length; i++) {
-        var f = fields[i];
-        if (_data["text/x-iri-" + f] || _data[f]) {
-            newNode[f] = _data["text/x-iri-" + f] || _data[f];
-        }
-        if (newNode[f] === "none" || newNode[f] === "null") {
-            newNode[f] = undefined;
-        }
-    }
-    var _off = this.canvas_$.offset(),
-        _point = new paper.Point([
-            _event.pageX - _off.left,
-            _event.pageY - _off.top
-        ]),
-        _coords = this.toModelCoords(_point),
-        _nodedata = {
-            id: Rkns.Utils.getUID('node'),
-            created_by: this.renkan.current_user,
-            uri: newNode.uri || "",
-            title: newNode.title || "",
-            description: newNode.description || "",
-            image: newNode.image || "",
-            color: newNode.color || undefined,
-            "clip-path": newNode.clipPath || undefined,
-            position: {
-                x: _coords.x,
-                y: _coords.y
-            }
-        };
-    var _node = this.renkan.project.addNode(_nodedata),
-        _repr = this.getRepresentationByModel(_node);
-    if (_event.type === "drop") {
-        _repr.openEditor();
-    }
-},
-fullScreen: function() {
-    var _isFull = document.fullScreen || document.mozFullScreen || document.webkitIsFullScreen,
-        _el = this.renkan.$[0],
-        _requestMethods = ["requestFullScreen","mozRequestFullScreen","webkitRequestFullScreen"],
-        _cancelMethods = ["cancelFullScreen","mozCancelFullScreen","webkitCancelFullScreen"];
-    if (_isFull) {
-        for (var i = 0; i < _cancelMethods.length; i++) {
-            if (typeof document[_cancelMethods[i]] === "function") {
-                document[_cancelMethods[i]]();
-                break;
-            }
-        }
-    } else {
-        for (var i = 0; i < _requestMethods.length; i++) {
-            if (typeof _el[_requestMethods[i]] === "function") {
-                _el[_requestMethods[i]]();
-                break;
-            }
-        }
-    }
-},
-zoomOut: function() {
-    var _newScale = this.scale * Math.SQRT1_2,
-        _offset = new paper.Point([
-            this.canvas_$.width(),
-            this.canvas_$.height()
-        ]).multiply( .5 * ( 1 - Math.SQRT1_2 ) ).add(this.offset.multiply( Math.SQRT1_2 ));
-    this.setScale( _newScale, _offset );
-},
-zoomIn: function() {
-    var _newScale = this.scale * Math.SQRT2,
-        _offset = new paper.Point([
-            this.canvas_$.width(),
-            this.canvas_$.height()
-        ]).multiply( .5 * ( 1 - Math.SQRT2 ) ).add(this.offset.multiply( Math.SQRT2 ));
-    this.setScale( _newScale, _offset );
-},
-addNodeBtn: function() {
-    if (this.click_mode === _CLICKMODE_ADDNODE) {
-        this.click_mode = false;
-        this.notif_$.hide();
-    } else {
-        this.click_mode = _CLICKMODE_ADDNODE;
-        this.notif_$.text(this.renkan.translate("Click on the background canvas to add a node")).fadeIn();
-    }
-    return false;
-},
-addEdgeBtn: function() {
-    if (this.click_mode === _CLICKMODE_STARTEDGE || this.click_mode === _CLICKMODE_ENDEDGE) {
-        this.click_mode = false;
-        this.notif_$.hide();
-    } else {
-        this.click_mode = _CLICKMODE_STARTEDGE;
-        this.notif_$.text(this.renkan.translate("Click on a first node to start the edge")).fadeIn();
-    }
-    return false;
-},
-foldBins: function() {
-    var foldBinsButton = this.$.find(".Rk-Fold-Bins"),
-        bins = this.renkan.$.find(".Rk-Bins");
-    if (bins.offset().left < 0) {
-        bins.animate({left: 0},250);
-        var _this = this;
-        this.$.animate({left: 300},250,function() {
-            var w = _this.$.width();
-            paper.view.viewSize = new paper.Size([w, _this.canvas_$.height()]);
-        });
-        foldBinsButton.html("&laquo;");
-    } else {
-        bins.animate({left: -300},250);
-        var _this = this;
-        this.$.animate({left: 0},250,function() {
-            var w = _this.$.width();
-            paper.view.viewSize = new paper.Size([w, _this.canvas_$.height()]);
-        });
-        foldBinsButton.html("&raquo;");
-    }
-},
-save: function() { },
-open: function() { }
-});
-})(window);
-
-/* END paper-renderer.js */
 /* Saves the Full JSON at each modification */
 
 Rkns.jsonIO = function(_renkan, _opts) {
     var _proj = _renkan.project;
-    if (typeof _opts.http_method == "undefined") {
+    if (typeof _opts.http_method === "undefined") {
         _opts.http_method = 'PUT';
     }
     var _load = function() {
+        _renkan.renderer.redrawActive = false;
+        _proj.set({
+            loadingStatus : true
+        });
         Rkns.$.getJSON(_opts.url, function(_data) {
-            _proj.set(_data, {validate: true});
-            _renkan.renderer.autoScale();
+            _renkan.dataloader.load(_data);
+            _proj.set({
+                loadingStatus : false
+            });
+            _proj.set({
+                saveStatus : 0
+            });
+            _renkan.renderer.redrawActive = true;
         });
     };
     var _save = function() {
+        _proj.set({
+            saveStatus : 2
+        });
         var _data = _proj.toJSON();
         if (!_renkan.read_only) {
             Rkns.$.ajax({
-                type: _opts.http_method,
-                url: _opts.url,
-                contentType: "application/json",
-                data: JSON.stringify(_data),
-                success: function(data, textStatus, jqXHR) {
+                type : _opts.http_method,
+                url : _opts.url,
+                contentType : "application/json",
+                data : JSON.stringify(_data),
+                success : function(data, textStatus, jqXHR) {
+                    _proj.set({
+                        saveStatus : 0
+                    });
                 }
             });
         }
-        
+
     };
-    var _thrSave = Rkns._.throttle(
-        function() {
-            setTimeout(_save, 100);
-        }, 1000);
-    _proj.on("add:nodes add:edges add:users", function(_model) {
+    var _thrSave = Rkns._.throttle(function() {
+        setTimeout(_save, 100);
+    }, 1000);
+    
+    //TODO: Rearrange to avoid the 2 firts PUT due to a change in the project model
+    // Take car of setting up the listener correctly to listen the save action on the view
+    _proj.on("add:nodes add:edges add:users add:views", function(_model) {
         _model.on("change remove", function(_model) {
             _thrSave();
         });
         _thrSave();
     });
     _proj.on("change", function() {
-        _thrSave();
+        if (!(_proj.changedAttributes.length === 1 && _proj
+                .hasChanged('saveStatus'))) {
+            _thrSave();
+        }
     });
-        
+
     _load();
 };
+
+/* Saves the Full JSON once */
+
+Rkns.jsonIOSaveOnClick = function(_renkan, _opts) {
+    var _proj = _renkan.project,
+        _saveWarn = false,
+        _onLeave = function() {
+            return "Project not saved";
+        };
+    if (typeof _opts.http_method === "undefined") {
+        _opts.http_method = 'POST';
+    }
+    var _load = function() {
+        var getdata = {},
+            rx = /id=([^&#?=]+)/,
+            matches = document.location.hash.match(rx);
+        if (matches) {
+            getdata.id = matches[1];
+        }
+        Rkns.$.ajax({
+            url: _opts.url,
+            data: getdata,
+            beforeSend: function(){
+                _renkan.renderer.redrawActive = false;
+            	_proj.set({loadingStatus:true});
+            },
+            success: function(_data) {
+                _renkan.dataloader.load(_data);
+                _proj.set({loadingStatus:false});
+                _proj.set({saveStatus:0});
+                _renkan.renderer.redrawActive = true;
+            }
+        });
+    };
+    var _save = function() {
+        _proj.set("saved_at", new Date());
+        var _data = _proj.toJSON();
+        Rkns.$.ajax({
+            type: _opts.http_method,
+            url: _opts.url,
+            contentType: "application/json",
+            data: JSON.stringify(_data),
+            beforeSend: function(){
+            	_proj.set({saveStatus:2});
+            },
+            success: function(data, textStatus, jqXHR) {
+                $(window).off("beforeunload", _onLeave);
+                _saveWarn = false;
+                _proj.set({saveStatus:0});
+                //document.location.hash = "#id=" + data.id;
+                //$(".Rk-Notifications").text("Saved as "+document.location.href).fadeIn().delay(2000).fadeOut();
+            }
+        });
+    };
+    var _checkLeave = function() {
+    	_proj.set({saveStatus:1});
+
+        var title = _proj.get("title");
+        if (title && _proj.get("nodes").length) {
+            $(".Rk-Save-Button").removeClass("disabled");
+        } else {
+            $(".Rk-Save-Button").addClass("disabled");
+        }
+        if (title) {
+            $(".Rk-PadTitle").css("border-color","#333333");
+        }
+        if (!_saveWarn) {
+            _saveWarn = true;
+            $(window).on("beforeunload", _onLeave);
+        }
+    };
+    _load();
+    _proj.on("add:nodes add:edges add:users change", function(_model) {
+	    _model.on("change remove", function(_model) {
+	    	if(!(_model.changedAttributes.length === 1 && _model.hasChanged('saveStatus'))) {
+	    		_checkLeave();
+	    	}
+	    });
+		if(!(_proj.changedAttributes.length === 1 && _proj.hasChanged('saveStatus'))) {
+		    _checkLeave();
+    	}
+    });
+    _renkan.renderer.save = function() {
+        if ($(".Rk-Save-Button").hasClass("disabled")) {
+            if (!_proj.get("title")) {
+                $(".Rk-PadTitle").css("border-color","#ff0000");
+            }
+        } else {
+            _save();
+        }
+    };
+};
+
 (function(Rkns) {
 "use strict";
 
@@ -3742,9 +2384,9 @@
 
 var Bin = Ldt.Bin = function(_renkan, _opts) {
     if (_opts.ldt_type) {
-        var resclass = Ldt[_opts.ldt_type+"Bin"];
-        if (resclass) {
-            return new resclass(_renkan, _opts);
+        var Resclass = Ldt[_opts.ldt_type+"Bin"];
+        if (Resclass) {
+            return new Resclass(_renkan, _opts);
         }
     }
     console.error("No such LDT Bin Type");
@@ -3752,15 +2394,9 @@
 
 var ProjectBin = Ldt.ProjectBin = Rkns.Utils.inherit(Rkns._BaseBin);
 
-ProjectBin.prototype.tagTemplate = _.template(
-    '<li class="Rk-Bin-Item" draggable="true" data-image="<%- Rkns.Utils.getFullURL(static_url+\'img/ldt-tag.png\') %>" data-uri="<%=ldt_platform%>ldtplatform/ldt/front/search/?search=<%=encodedtitle%>&field=all" data-title="<%-title%>" data-description="Tag \'<%-title%>\'">'
-    + '<img class="Rk-Ldt-Tag-Icon" src="<%-static_url%>img/ldt-tag.png" /><h4><%=htitle%></h4><div class="Rk-Clear"></div></li>'
-);
-
-ProjectBin.prototype.annotationTemplate = _.template(
-    '<li class="Rk-Bin-Item" draggable="true" data-image="<%- Rkns.Utils.getFullURL(image) %>" data-uri="<%=ldt_platform%>ldtplatform/ldt/front/player/<%=mediaid%>/#id=<%=annotationid%>" data-title="<%-title%>" data-description="<%-description%>">'
-    + '<img class="Rk-Ldt-Annotation-Icon" src="<%=image%>"/><h4><%=htitle%></h4><p><%=hdescription%></p><p>Start: <%=start%>, End: <%=end%>, Duration: <%=duration%></p><div class="Rk-Clear"></div></li>'
-);
+ProjectBin.prototype.tagTemplate = renkanJST['templates/ldtjson-bin/tagtemplate.html'];
+
+ProjectBin.prototype.annotationTemplate = renkanJST['templates/ldtjson-bin/annotationtemplate.html'];
 
 ProjectBin.prototype._init = function(_renkan, _opts) {
     this.renkan = _renkan;
@@ -3796,13 +2432,13 @@
         _res += pad(_minutes) + ':' + pad(_seconds);
         return _res;
     }
-    
+
     var _html = '<li><h3>Tags</h3></li>',
         _projtitle = this.data.meta["dc:title"],
         _this = this,
         count = 0;
     _this.title_$.text('LDT Project: "' + _projtitle + '"');
-    _(_this.data.tags).map(function(_tag) {
+    _.map(_this.data.tags,function(_tag) {
         var _title = _tag.meta["dc:title"];
         if (!search.isempty && !search.test(_title)) {
             return;
@@ -3817,7 +2453,7 @@
         });
     });
     _html += '<li><h3>Annotations</h3></li>';
-    _(_this.data.annotations).map(function(_annotation) {
+    _.map(_this.data.annotations,function(_annotation) {
         var _description = _annotation.content.description,
             _title = _annotation.content.title.replace(_description,"");
         if (!search.isempty && !search.test(_title) && !search.test(_description)) {
@@ -3826,9 +2462,9 @@
         count++;
         var _duration = _annotation.end - _annotation.begin,
             _img = (
-                (_annotation.content && _annotation.content.img && _annotation.content.img.src)
-                ? _annotation.content.img.src
-                : ( _duration ? _this.renkan.options.static_url+"img/ldt-segment.png" : _this.renkan.options.static_url+"img/ldt-point.png" )
+                (_annotation.content && _annotation.content.img && _annotation.content.img.src) ?
+                  _annotation.content.img.src :
+                  ( _duration ? _this.renkan.options.static_url+"img/ldt-segment.png" : _this.renkan.options.static_url+"img/ldt-point.png" )
             );
         _html += _this.annotationTemplate({
             ldt_platform: _this.ldt_platform,
@@ -3845,7 +2481,7 @@
             static_url: _this.renkan.options.static_url
         });
     });
-    
+
     this.main_$.html(_html);
     if (!search.isempty && count) {
         this.count_$.text(count).show();
@@ -3895,10 +2531,7 @@
 
 var ResultsBin = Ldt.ResultsBin = Rkns.Utils.inherit(Rkns._BaseBin);
 
-ResultsBin.prototype.segmentTemplate = _.template(
-    '<li class="Rk-Bin-Item" draggable="true" data-image="<%- Rkns.Utils.getFullURL(image) %>" data-uri="<%=ldt_platform%>ldtplatform/ldt/front/player/<%=mediaid%>/#id=<%=annotationid%>" data-title="<%-title%>" data-description="<%-description%>">'
-    + '<img class="Rk-Ldt-Annotation-Icon" src="<%=image%>"/><h4><%=htitle%></h4><p><%=hdescription%></p><p>Start: <%=start%>, End: <%=end%>, Duration: <%=duration%></p><div class="Rk-Clear"></div></li>'
-);
+ResultsBin.prototype.segmentTemplate = renkanJST['templates/ldtjson-bin/segmenttemplate.html'];
 
 ResultsBin.prototype._init = function(_renkan, _opts) {
     this.renkan = _renkan;
@@ -3938,12 +2571,12 @@
         _res += pad(_minutes) + ':' + pad(_seconds);
         return _res;
     }
-    
+
     var _html = '',
         _this = this,
         count = 0;
-    _(this.data.objects).each(function(_segment) {
-        var _description = _segment['abstract'],
+    _.each(this.data.objects,function(_segment) {
+        var _description = _segment.abstract,
             _title = _segment.title;
         if (!search.isempty && !search.test(_title) && !search.test(_description)) {
             return;
@@ -3953,9 +2586,9 @@
             _begin = _segment.start_ts,
             _end = + _segment.duration + _begin,
             _img = (
-                _duration
-                ? _this.renkan.options.static_url + "img/ldt-segment.png"
-                : _this.renkan.options.static_url + "img/ldt-point.png"
+                _duration ?
+                  _this.renkan.options.static_url + "img/ldt-segment.png" :
+                  _this.renkan.options.static_url + "img/ldt-point.png"
             );
         _html += _this.segmentTemplate({
             ldt_platform: _this.ldt_platform,
@@ -3973,7 +2606,7 @@
             image: _img
         });
     });
-    
+
     this.main_$.html(_html);
     if (!search.isempty && count) {
         this.count_$.text(count).show();
@@ -4006,18 +2639,12 @@
 };
 
 })(window.Rkns);
+
 Rkns.ResourceList = {};
 
 Rkns.ResourceList.Bin = Rkns.Utils.inherit(Rkns._BaseBin);
 
-Rkns.ResourceList.Bin.prototype.resultTemplate = Rkns._.template(
-    '<li class="Rk-Bin-Item Rk-ResourceList-Item" draggable="true" data-uri="<%-url%>" '
-    + 'data-title="<%-title%>" data-description="<%-description%>" '
-    + '<% if (image) { %>data-image="<%- Rkns.Utils.getFullURL(image) %>"<% } else { %>data-image=""<% } %> >'
-    + '<% if (image) { %><img class="Rk-ResourceList-Image" src="<%-image%>"/><% } %><h4 class="Rk-ResourceList-Title">'
-    + '<% if (url) { %><a href="<%-url%>" target="_blank"><% } %><%=htitle%><% if (url) { %></a><% } %></h4>'
-    + '<% if (description) { %><p class="Rk-ResourceList-Description"><%=hdescription%></p><% } %><% if (image) { %><div style="clear: both;"></div><% } %></li>'
-);
+Rkns.ResourceList.Bin.prototype.resultTemplate = renkanJST['templates/list-bin.html'];
 
 Rkns.ResourceList.Bin.prototype._init = function(_renkan, _opts) {
     this.renkan = _renkan;
@@ -4037,13 +2664,14 @@
     var _html = "",
         _this = this,
         count = 0;
-    Rkns._(this.data).each(function(_item) {
+    Rkns._.each(this.data,function(_item) {
+        var _element;
         if (typeof _item === "string") {
             if (/^(https?:\/\/|www)/.test(_item)) {
-                var _element = { url: _item };
+                _element = { url: _item };
             } else {
-                var _element = { title: _item.replace(/[:,]?\s?(https?:\/\/|www)[\d\w\/.&?=#%-_]+\s?/,'').trim() },
-                    _match = _item.match(/(https?:\/\/|www)[\d\w\/.&?=#%-_]+/);
+                _element = { title: _item.replace(/[:,]?\s?(https?:\/\/|www)[\d\w\/.&?=#%-_]+\s?/,'').trim() };
+                var _match = _item.match(/(https?:\/\/|www)[\d\w\/.&?=#%-_]+/);
                 if (_match) {
                     _element.url = _match[0];
                 }
@@ -4053,7 +2681,7 @@
                 }
             }
         } else {
-            var _element = _item;
+            _element = _item;
         }
         var title = _element.title || (_element.url || "").replace(/^https?:\/\/(www\.)?/,'').replace(/^(.{40}).+$/,'$1…'),
             url = _element.url || "",
@@ -4089,12 +2717,14 @@
     }
     this.renkan.resizeBins();
 };
-    
+
 Rkns.ResourceList.Bin.prototype.refresh = function() {
     if (this.data) {
         this.render();
     }
-};Rkns.Wikipedia = {
+};
+
+Rkns.Wikipedia = {
 };
 
 Rkns.Wikipedia.Search = function(_renkan, _opts) {
@@ -4130,12 +2760,7 @@
 
 Rkns.Wikipedia.Bin = Rkns.Utils.inherit(Rkns._BaseBin);
 
-Rkns.Wikipedia.Bin.prototype.resultTemplate = Rkns._.template(
-    '<li class="Rk-Wikipedia-Result Rk-Bin-Item" draggable="true" data-uri="<%-url%>" '
-    + 'data-title="Wikipedia: <%-title%>" data-description="<%-description%>" data-image="<%- Rkns.Utils.getFullURL( static_url + \'img/wikipedia.png\' ) %>">'
-    + '<img class="Rk-Wikipedia-Icon" src="<%-static_url%>img/wikipedia.png"></div><h4 class="Rk-Wikipedia-Title"><a href="<%-url%>" target="_blank"><%=htitle%></a></h4>'
-    + '<p class="Rk-Wikipedia-Snippet"><%=hdescription%></p></li>'
-);
+Rkns.Wikipedia.Bin.prototype.resultTemplate = renkanJST['templates/wikipedia-bin/resulttemplate.html'];
 
 Rkns.Wikipedia.Bin.prototype._init = function(_renkan, _opts) {
     this.renkan = _renkan;
@@ -4155,7 +2780,7 @@
     var _html = "",
         _this = this,
         count = 0;
-    Rkns._(this.data.query.search).each(function(_result) {
+    Rkns._.each(this.data.query.search, function(_result) {
         var title = _result.title,
             url = "http://" + _this.lang + ".wikipedia.org/wiki/" + encodeURI(title.replace(/ /g,"_")),
             description = Rkns.$('<div>').html(_result.snippet).text();
@@ -4185,7 +2810,7 @@
     }
     this.renkan.resizeBins();
 };
-    
+
 Rkns.Wikipedia.Bin.prototype.refresh = function() {
     var _this = this;
     Rkns.$.ajax({
@@ -4196,4 +2821,3879 @@
             _this.render();
         }
     });
-};
\ No newline at end of file
+};
+
+
+define('renderer/baserepresentation',['jquery', 'underscore'], function ($, _) {
+    'use strict';
+
+    /* Rkns.Renderer._BaseRepresentation Class */
+
+    /* In Renkan, a "Representation" is a sort of ViewModel (in the MVVM paradigm) and bridges the gap between
+     * models (written with Backbone.js) and the view (written with Paper.js)
+     * Renkan's representations all inherit from Rkns.Renderer._BaseRepresentation '*/
+
+    var _BaseRepresentation = function(_renderer, _model) {
+        if (typeof _renderer !== "undefined") {
+            this.renderer = _renderer;
+            this.renkan = _renderer.renkan;
+            this.project = _renderer.renkan.project;
+            this.options = _renderer.renkan.options;
+            this.model = _model;
+            if (this.model) {
+                var _this = this;
+                this._changeBinding = function() {
+                    _this.redraw({change: true});
+                };
+                this._removeBinding = function() {
+                    _renderer.removeRepresentation(_this);
+                    _.defer(function() {
+                        _renderer.redraw();
+                    });
+                };
+                this._selectBinding = function() {
+                    _this.select();
+                };
+                this._unselectBinding = function() {
+                    _this.unselect();
+                };
+                this.model.on("change", this._changeBinding );
+                this.model.on("remove", this._removeBinding );
+                this.model.on("select", this._selectBinding );
+                this.model.on("unselect", this._unselectBinding );
+            }
+        }
+    };
+
+    /* Rkns.Renderer._BaseRepresentation Methods */
+
+    _(_BaseRepresentation.prototype).extend({
+        _super: function(_func) {
+            return _BaseRepresentation.prototype[_func].apply(this, Array.prototype.slice.call(arguments, 1));
+        },
+        redraw: function() {},
+        moveTo: function() {},
+        show: function() { return "BaseRepresentation.show"; },
+        hide: function() {},
+        select: function() {
+            if (this.model) {
+                this.model.trigger("selected");
+            }
+        },
+        unselect: function() {
+            if (this.model) {
+                this.model.trigger("unselected");
+            }
+        },
+        highlight: function() {},
+        unhighlight: function() {},
+        mousedown: function() {},
+        mouseup: function() {
+            if (this.model) {
+                this.model.trigger("clicked");
+            }
+        },
+        destroy: function() {
+            if (this.model) {
+                this.model.off("change", this._changeBinding );
+                this.model.off("remove", this._removeBinding );
+                this.model.off("select", this._selectBinding );
+                this.model.off("unselect", this._unselectBinding );
+            }
+        }
+    }).value();
+
+    /* End of Rkns.Renderer._BaseRepresentation Class */
+
+    return _BaseRepresentation;
+
+});
+
+define('requtils',[], function ($, _) {
+    'use strict';
+    return {
+        getUtils: function(){
+            return window.Rkns.Utils;
+        },
+        getRenderer: function(){
+            return window.Rkns.Renderer;
+        }
+    };
+
+});
+
+
+define('renderer/basebutton',['jquery', 'underscore', 'requtils', 'renderer/baserepresentation'], function ($, _, requtils, BaseRepresentation) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* Rkns.Renderer._BaseButton Class */
+
+    /* BaseButton is extended by contextual buttons that appear when hovering on nodes and edges */
+
+    var _BaseButton = Utils.inherit(BaseRepresentation);
+
+    _(_BaseButton.prototype).extend({
+        moveTo: function(_pos) {
+            this.sector.moveTo(_pos);
+        },
+        show: function() {
+            this.sector.show();
+        },
+        hide: function() {
+            if (this.sector){
+                this.sector.hide();                
+            }
+        },
+        select: function() {
+            this.sector.select();
+        },
+        unselect: function(_newTarget) {
+            this.sector.unselect();
+            if (!_newTarget || (_newTarget !== this.source_representation && _newTarget.source_representation !== this.source_representation)) {
+                this.source_representation.unselect();
+            }
+        },
+        destroy: function() {
+            this.sector.destroy();
+        }
+    }).value();
+
+    return _BaseButton;
+
+});
+
+
+define('renderer/shapebuilder',[], function () {
+    'use strict';
+
+    var cloud_path = "M0,0c-0.1218516546,-0.0336420601 -0.2451649928,0.0048580836 -0.3302944641,0.0884969975c-0.0444763883,-0.0550844815 -0.1047003238,-0.0975985034 -0.1769360893,-0.1175406746c-0.1859066673,-0.0513257002 -0.3774236254,0.0626045858 -0.4272374613,0.2541588105c-0.0036603877,0.0140753132 -0.0046241235,0.028229722 -0.0065872453,0.042307536c-0.1674179627,-0.0179317735 -0.3276106855,0.0900599386 -0.3725537463,0.2628868425c-0.0445325077,0.1712456429 0.0395025693,0.3463497959 0.1905420475,0.4183458793c-0.0082101538,0.0183442886 -0.0158652506,0.0372432828 -0.0211098452,0.0574080693c-0.0498130336,0.1915540431 0.0608692569,0.3884647499 0.2467762814,0.4397904033c0.0910577256,0.0251434257 0.1830791813,0.0103792696 0.2594677475,-0.0334472349c0.042100113,0.0928009202 0.1205930075,0.1674914182 0.2240666796,0.1960572479c0.1476344161,0.0407610407 0.297446165,-0.0238077445 0.3783262342,-0.1475652419c0.0327623278,0.0238981846 0.0691792333,0.0436665447 0.1102008706,0.0549940004c0.1859065794,0.0513256592 0.3770116432,-0.0627203154 0.4268255671,-0.2542745401c0.0250490557,-0.0963230532 0.0095494076,-0.1938010889 -0.0356681889,-0.2736906101c0.0447507424,-0.0439678867 0.0797796014,-0.0996624318 0.0969425462,-0.1656617192c0.0498137481,-0.1915564561 -0.0608688118,-0.3884669813 -0.2467755669,-0.4397928163c-0.0195699622,-0.0054005426 -0.0391731675,-0.0084429542 -0.0586916488,-0.0102888295c0.0115683912,-0.1682147574 -0.0933564223,-0.3269222408 -0.2572937178,-0.3721841203z";
+    /* ShapeBuilder Begin */
+
+    var builders = {
+        "circle":{
+            getShape: function() {
+                return new paper.Path.Circle([0, 0], 1);
+            },
+            getImageShape: function(center, radius) {
+                return new paper.Path.Circle(center, radius);
+            }
+        },
+        "rectangle":{
+            getShape: function() {
+                return new paper.Path.Rectangle([-2, -2], [2, 2]);
+            },
+            getImageShape: function(center, radius) {
+                return new paper.Path.Rectangle([-radius, -radius], [radius*2, radius*2]);
+            }
+        },
+        "ellipse":{
+            getShape: function() {
+                return new paper.Path.Ellipse(new paper.Rectangle([-2, -1], [2, 1]));
+            },
+            getImageShape: function(center, radius) {
+                return new paper.Path.Ellipse(new paper.Rectangle([-radius, -radius/2], [radius*2, radius]));
+            }
+        },
+        "polygon":{
+            getShape: function() {
+                return new paper.Path.RegularPolygon([0, 0], 6, 1);
+            },
+            getImageShape: function(center, radius) {
+                return new paper.Path.RegularPolygon(center, 6, radius);
+            }
+        },
+        "diamond":{
+            getShape: function() {
+                var d = new paper.Path.Rectangle([-Math.SQRT2, -Math.SQRT2], [Math.SQRT2, Math.SQRT2]);
+                d.rotate(45);
+                return d;
+            },
+            getImageShape: function(center, radius) {
+                var d = new paper.Path.Rectangle([-radius*Math.SQRT2/2, -radius*Math.SQRT2/2], [radius*Math.SQRT2, radius*Math.SQRT2]);
+                d.rotate(45);
+                return d;
+            }
+        },
+        "star":{
+            getShape: function() {
+                return new paper.Path.Star([0, 0], 8, 1, 0.7);
+            },
+            getImageShape: function(center, radius) {
+                return new paper.Path.Star(center, 8, radius*1, radius*0.7);
+            }
+        },
+        "cloud": {
+            getShape: function() {
+                var path = new paper.Path(cloud_path);
+                return path;
+
+            },
+            getImageShape: function(center, radius) {
+                var path = new paper.Path(cloud_path);
+                path.scale(radius);
+                path.translate(center);
+                return path;
+            }
+        },
+        "triangle": {
+            getShape: function() {
+                return new paper.Path.RegularPolygon([0,0], 3, 1);
+            },
+            getImageShape: function(center, radius) {
+                var shape = new paper.Path.RegularPolygon([0,0], 3, 1);
+                shape.scale(radius);
+                shape.translate(center);
+                return shape;
+            }
+        },
+        "svg": function(path){
+            return {
+                getShape: function() {
+                    return new paper.Path(path);
+                },
+                getImageShape: function(center, radius) {
+                    // No calcul for the moment
+                    return new paper.Path();
+                }
+            };
+        }
+    };
+
+    var ShapeBuilder = function (shape){
+        if(shape === null || typeof shape === "undefined"){
+            shape = "circle";
+        }
+        if(shape.substr(0,4)==="svg:"){
+            return builders.svg(shape.substr(4));
+        }
+        if(!(shape in builders)){
+            shape = "circle";
+        }
+        return builders[shape];
+    };
+
+    ShapeBuilder.builders = builders;
+
+    return ShapeBuilder;
+
+});
+
+define('renderer/noderepr',['jquery', 'underscore', 'requtils', 'renderer/baserepresentation', 'renderer/shapebuilder'], function ($, _, requtils, BaseRepresentation, ShapeBuilder) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* Rkns.Renderer.Node Class */
+
+    /* The representation for the node : A circle, with an image inside and a text label underneath.
+     * The circle and the image are drawn on canvas and managed by Paper.js.
+     * The text label is an HTML node, managed by jQuery. */
+
+    //var NodeRepr = Renderer.Node = Utils.inherit(Renderer._BaseRepresentation);
+    var NodeRepr = Utils.inherit(BaseRepresentation);
+
+    _(NodeRepr.prototype).extend({
+        _init: function() {
+            this.renderer.node_layer.activate();
+            this.type = "Node";
+            this.buildShape();
+            this.hidden = false;
+            this.ghost= false;
+            if (this.options.show_node_circles) {
+                this.circle.strokeWidth = this.options.node_stroke_width;
+                this.h_ratio = 1;
+            } else {
+                this.h_ratio = 0;
+            }
+            this.title = $('<div class="Rk-Label">').appendTo(this.renderer.labels_$);
+
+            if (this.options.editor_mode) {
+                var Renderer = requtils.getRenderer();
+                this.normal_buttons = [
+                                       new Renderer.NodeEditButton(this.renderer, null),
+                                       new Renderer.NodeRemoveButton(this.renderer, null),
+                                       new Renderer.NodeLinkButton(this.renderer, null),
+                                       new Renderer.NodeEnlargeButton(this.renderer, null),
+                                       new Renderer.NodeShrinkButton(this.renderer, null)
+                                       ];
+                if (this.options.hide_nodes){
+                    this.normal_buttons.push(
+                            new Renderer.NodeHideButton(this.renderer, null),
+                            new Renderer.NodeShowButton(this.renderer, null)
+                            );
+                }
+                this.pending_delete_buttons = [
+                                               new Renderer.NodeRevertButton(this.renderer, null)
+                                               ];
+                this.all_buttons = this.normal_buttons.concat(this.pending_delete_buttons);
+
+                for (var i = 0; i < this.all_buttons.length; i++) {
+                    this.all_buttons[i].source_representation = this;
+                }
+                this.active_buttons = [];
+            } else {
+                this.active_buttons = this.all_buttons = [];
+            }
+            this.last_circle_radius = 1;
+
+            if (this.renderer.minimap) {
+                this.renderer.minimap.node_layer.activate();
+                this.minimap_circle = new paper.Path.Circle([0, 0], 1);
+                this.minimap_circle.__representation = this.renderer.minimap.miniframe.__representation;
+                this.renderer.minimap.node_group.addChild(this.minimap_circle);
+            }
+        },
+        _getStrokeWidth: function() {
+            var thickness = (this.model.has('style') && this.model.get('style').thickness) || 1;
+            return this.options.node_stroke_width + (thickness-1) * (this.options.node_stroke_max_width - this.options.node_stroke_width) / (this.options.node_stroke_witdh_scale-1);
+        },
+        _getSelectedStrokeWidth: function() {
+            var thickness = (this.model.has('style') && this.model.get('style').thickness) || 1;
+            return this.options.selected_node_stroke_width + (thickness-1) * (this.options.selected_node_stroke_max_width - this.options.selected_node_stroke_width) / (this.options.node_stroke_witdh_scale-1);
+        },
+        buildShape: function(){
+            if( 'shape' in this.model.changed ) {
+                delete this.img;
+            }
+            if(this.circle){
+                this.circle.remove();
+                delete this.circle;
+            }
+            // "circle" "rectangle" "ellipse" "polygon" "star" "diamond"
+            this.shapeBuilder = new ShapeBuilder(this.model.get("shape"));
+            this.circle = this.shapeBuilder.getShape();
+            this.circle.__representation = this;
+            this.circle.sendToBack();
+            this.last_circle_radius = 1;
+        },
+        redraw: function(options) {
+            if( 'shape' in this.model.changed && 'change' in options && options.change ) {
+            //if( 'shape' in this.model.changed ) {
+                this.buildShape();
+            }
+            var _model_coords = new paper.Point(this.model.get("position")),
+                _baseRadius = this.options.node_size_base * Math.exp((this.model.get("size") || 0) * Utils._NODE_SIZE_STEP);
+            if (!this.is_dragging || !this.paper_coords) {
+                this.paper_coords = this.renderer.toPaperCoords(_model_coords);
+            }
+            this.circle_radius = _baseRadius * this.renderer.view.scale;
+            if (this.last_circle_radius !== this.circle_radius) {
+                this.all_buttons.forEach(function(b) {
+                    b.setSectorSize();
+                });
+                this.circle.scale(this.circle_radius / this.last_circle_radius);
+                if (this.node_image) {
+                    this.node_image.scale(this.circle_radius / this.last_circle_radius);
+                }
+            }
+            this.circle.position = this.paper_coords;
+            if (this.node_image) {
+                this.node_image.position = this.paper_coords.subtract(this.image_delta.multiply(this.circle_radius));
+            }
+            this.last_circle_radius = this.circle_radius;
+
+            var old_act_btn = this.active_buttons;
+
+            var opacity = 1;
+            if (this.model.get("delete_scheduled")) {
+                opacity = 0.5;
+                this.active_buttons = this.pending_delete_buttons;
+                this.circle.dashArray = [2,2];
+            } else {
+                opacity = 1;
+                this.active_buttons = this.normal_buttons;
+                this.circle.dashArray = null;
+            }
+            if (this.selected && this.renderer.isEditable() && !this.ghost) {
+                if (old_act_btn !== this.active_buttons) {
+                    old_act_btn.forEach(function(b) {
+                        b.hide();
+                    });
+                }
+                this.active_buttons.forEach(function(b) {
+                    b.show();
+                });
+            }
+
+            if (this.node_image) {
+                this.node_image.opacity = this.highlighted ? opacity * 0.5 : (opacity - 0.01);
+            }
+
+            this.circle.fillColor = this.highlighted ? this.options.highlighted_node_fill_color : this.options.node_fill_color;
+
+            this.circle.opacity = this.options.show_node_circles ? opacity : 0.01;
+
+            var _text = this.model.get("title") || this.renkan.translate(this.options.label_untitled_nodes) || "";
+            _text = Utils.shortenText(_text, this.options.node_label_max_length);
+
+            if (typeof this.highlighted === "object") {
+                this.title.html(this.highlighted.replace(_(_text).escape(),'<span class="Rk-Highlighted">$1</span>'));
+            } else {
+                this.title.text(_text);
+            }
+
+            var _strokeWidth = this._getStrokeWidth();
+            this.title.css({
+                left: this.paper_coords.x,
+                top: this.paper_coords.y + this.circle_radius * this.h_ratio + this.options.node_label_distance + 0.5*_strokeWidth,
+                opacity: opacity
+            });
+            var _color = (this.model.has("style") && this.model.get("style").color) || (this.model.get("created_by") || Utils._USER_PLACEHOLDER(this.renkan)).get("color"),
+                _dash = (this.model.has("style") && this.model.get("style").dash) ? this.options.default_dash_array : null;
+            this.circle.strokeWidth = _strokeWidth;
+            this.circle.strokeColor = _color;
+            this.circle.dashArray = _dash;
+            var _pc = this.paper_coords;
+            this.all_buttons.forEach(function(b) {
+                b.moveTo(_pc);
+            });
+            var lastImage = this.img;
+            this.img = this.model.get("image");
+            if (this.img && this.img !== lastImage) {
+                this.showImage();
+                if(this.circle) {
+                    this.circle.sendToBack();
+                }
+            }
+            if (this.node_image && !this.img) {
+                this.node_image.remove();
+                delete this.node_image;
+            }
+
+            if (this.renderer.minimap) {
+                this.minimap_circle.fillColor = _color;
+                var minipos = this.renderer.toMinimapCoords(_model_coords),
+                miniradius = this.renderer.minimap.scale * _baseRadius,
+                minisize = new paper.Size([miniradius, miniradius]);
+                this.minimap_circle.fitBounds(minipos.subtract(minisize), minisize.multiply(2));
+            }
+
+            if (typeof options === 'undefined' || !('dontRedrawEdges' in options) || !options.dontRedrawEdges) {
+                var _this = this;
+                _.each(
+                        this.project.get("edges").filter(
+                                function (ed) {
+                                    return ((ed.get("to") === _this.model) || (ed.get("from") === _this.model));
+                                }
+                        ),
+                        function(edge, index, list) {
+                            var repr = _this.renderer.getRepresentationByModel(edge);
+                            if (repr && typeof repr.from_representation !== "undefined" && typeof repr.from_representation.paper_coords !== "undefined" && typeof repr.to_representation !== "undefined" && typeof repr.to_representation.paper_coords !== "undefined") {
+                                repr.redraw();
+                            }
+                        }
+                );
+            }
+            if (this.ghost){
+                this.show(true);
+            } else {
+                if (this.hidden) { this.hide(); }
+            }
+        },
+        showImage: function() {
+            var _image = null;
+            if (typeof this.renderer.image_cache[this.img] === "undefined") {
+                _image = new Image();
+                this.renderer.image_cache[this.img] = _image;
+                _image.src = this.img;
+            } else {
+                _image = this.renderer.image_cache[this.img];
+            }
+            if (_image.width) {
+                if (this.node_image) {
+                    this.node_image.remove();
+                }
+                this.renderer.node_layer.activate();
+                var width = _image.width,
+                    height = _image.height,
+                    clipPath = this.model.get("clip_path"),
+                    hasClipPath = (typeof clipPath !== "undefined" && clipPath),
+                    _clip = null,
+                    baseRadius = null,
+                    centerPoint = null;
+
+                if (hasClipPath) {
+                    _clip = new paper.Path();
+                    var instructions = clipPath.match(/[a-z][^a-z]+/gi) || [],
+                    lastCoords = [0,0],
+                    minX = Infinity,
+                    minY = Infinity,
+                    maxX = -Infinity,
+                    maxY = -Infinity;
+
+                    var transformCoords = function(tabc, relative) {
+                        var newCoords = tabc.slice(1).map(function(v, k) {
+                            var res = parseFloat(v),
+                            isY = k % 2;
+                            if (isY) {
+                                res = ( res - 0.5 ) * height;
+                            } else {
+                                res = ( res - 0.5 ) * width;
+                            }
+                            if (relative) {
+                                res += lastCoords[isY];
+                            }
+                            if (isY) {
+                                minY = Math.min(minY, res);
+                                maxY = Math.max(maxY, res);
+                            } else {
+                                minX = Math.min(minX, res);
+                                maxX = Math.max(maxX, res);
+                            }
+                            return res;
+                        });
+                        lastCoords = newCoords.slice(-2);
+                        return newCoords;
+                    };
+
+                    instructions.forEach(function(instr) {
+                        var coords = instr.match(/([a-z]|[0-9.-]+)/ig) || [""];
+                        switch(coords[0]) {
+                        case "M":
+                            _clip.moveTo(transformCoords(coords));
+                            break;
+                        case "m":
+                            _clip.moveTo(transformCoords(coords, true));
+                            break;
+                        case "L":
+                            _clip.lineTo(transformCoords(coords));
+                            break;
+                        case "l":
+                            _clip.lineTo(transformCoords(coords, true));
+                            break;
+                        case "C":
+                            _clip.cubicCurveTo(transformCoords(coords));
+                            break;
+                        case "c":
+                            _clip.cubicCurveTo(transformCoords(coords, true));
+                            break;
+                        case "Q":
+                            _clip.quadraticCurveTo(transformCoords(coords));
+                            break;
+                        case "q":
+                            _clip.quadraticCurveTo(transformCoords(coords, true));
+                            break;
+                        }
+                    });
+
+                    baseRadius = Math[this.options.node_images_fill_mode ? "min" : "max"](maxX - minX, maxY - minY) / 2;
+                    centerPoint = new paper.Point((maxX + minX) / 2, (maxY + minY) / 2);
+                    if (!this.options.show_node_circles) {
+                        this.h_ratio = (maxY - minY) / (2 * baseRadius);
+                    }
+                } else {
+                    baseRadius = Math[this.options.node_images_fill_mode ? "min" : "max"](width, height) / 2;
+                    centerPoint = new paper.Point(0,0);
+                    if (!this.options.show_node_circles) {
+                        this.h_ratio = height / (2 * baseRadius);
+                    }
+                }
+                var _raster = new paper.Raster(_image);
+                _raster.locked = true; // Disable mouse events on icon
+                if (hasClipPath) {
+                    _raster = new paper.Group(_clip, _raster);
+                    _raster.opacity = 0.99;
+                    /* This is a workaround to allow clipping at group level
+                     * If opacity was set to 1, paper.js would merge all clipping groups in one (known bug).
+                     */
+                    _raster.clipped = true;
+                    _clip.__representation = this;
+                }
+                if (this.options.clip_node_images) {
+                    var _circleClip = this.shapeBuilder.getImageShape(centerPoint, baseRadius);
+                    _raster = new paper.Group(_circleClip, _raster);
+                    _raster.opacity = 0.99;
+                    _raster.clipped = true;
+                    _circleClip.__representation = this;
+                }
+                this.image_delta = centerPoint.divide(baseRadius);
+                this.node_image = _raster;
+                this.node_image.__representation = _this;
+                this.node_image.scale(this.circle_radius / baseRadius);
+                this.node_image.position = this.paper_coords.subtract(this.image_delta.multiply(this.circle_radius));
+                this.node_image.insertAbove(this.circle);
+            } else {
+                var _this = this;
+                $(_image).on("load", function() {
+                    _this.showImage();
+                });
+            }
+        },
+        paperShift: function(_delta) {
+            if (this.options.editor_mode) {
+                if (!this.renkan.read_only) {
+                    this.is_dragging = true;
+                    this.paper_coords = this.paper_coords.add(_delta);
+                    this.redraw();
+                }
+            } else {
+                this.renderer.view.paperShift(_delta);
+            }
+        },
+        openEditor: function() {
+            this.renderer.removeRepresentationsOfType("editor");
+            var _editor = this.renderer.addRepresentation("NodeEditor",null);
+            _editor.source_representation = this;
+            _editor.draw();
+        },
+        select: function() {
+            this.selected = true;
+            this.circle.strokeWidth = this._getSelectedStrokeWidth();
+            if (this.renderer.isEditable() && !this.hidden) {
+                this.active_buttons.forEach(function(b) {
+                    b.show();
+                });
+            }
+            var _uri = this.model.get("uri");
+            if (_uri) {
+                $('.Rk-Bin-Item').each(function() {
+                    var _el = $(this);
+                    if (_el.attr("data-uri") === _uri) {
+                        _el.addClass("selected");
+                    }
+                });
+            }
+            if (!this.options.editor_mode) {
+                this.openEditor();
+            }
+
+            if (this.renderer.minimap) {
+                this.minimap_circle.strokeWidth = this.options.minimap_highlight_weight;
+                this.minimap_circle.strokeColor = this.options.minimap_highlight_color;
+            }
+            //if the node is hidden and the mouse hover it, it appears as a ghost
+            if (this.hidden) {
+                this.show(true);
+            }
+            else {
+                this.showNeighbors(true);
+            }
+            this._super("select");
+        },
+        hideButtons: function() {
+            this.all_buttons.forEach(function(b) {
+                b.hide();
+            });
+            delete(this.buttonTimeout);
+        },
+        unselect: function(_newTarget) {
+            if (!_newTarget || _newTarget.source_representation !== this) {
+                this.selected = false;
+                var _this = this;
+                this.buttons_timeout = setTimeout(function() { _this.hideButtons(); }, 200);
+                this.circle.strokeWidth = this._getStrokeWidth();
+                $('.Rk-Bin-Item').removeClass("selected");
+                if (this.renderer.minimap) {
+                    this.minimap_circle.strokeColor = undefined;
+                }
+                //when the mouse don't hover the node anymore, we hide it
+                if (this.hidden) {
+                    this.hide();
+                }
+                else {
+                    this.hideNeighbors();
+                }
+                this._super("unselect");
+            }
+        },
+        hide: function(){
+            var _this = this;
+            this.ghost = false;
+            this.hidden = true;
+            if (typeof this.node_image !== 'undefined'){
+                this.node_image.opacity = 0;
+            }
+            this.hideButtons();
+            this.circle.opacity = 0;
+            this.title.css('opacity', 0);
+            this.minimap_circle.opacity = 0;
+
+
+            _.each(
+                    this.project.get("edges").filter(
+                            function (ed) {
+                                return ((ed.get("to") === _this.model) || (ed.get("from") === _this.model));
+                            }
+                    ),
+                    function(edge, index, list) {
+                        var repr = _this.renderer.getRepresentationByModel(edge);
+                        if (repr && typeof repr.from_representation !== "undefined" && typeof repr.from_representation.paper_coords !== "undefined" && typeof repr.to_representation !== "undefined" && typeof repr.to_representation.paper_coords !== "undefined") {
+                            repr.hide();
+                        }
+                    }
+            );
+            this.hideNeighbors();
+        },
+        show: function(ghost){
+            var _this = this;
+            this.ghost = ghost;
+            if (this.ghost){
+                if (typeof this.node_image !== 'undefined'){
+                    this.node_image.opacity = this.options.ghost_opacity;
+                }
+                this.circle.opacity = this.options.ghost_opacity;
+                this.title.css('opacity', this.options.ghost_opacity);
+                this.minimap_circle.opacity = this.options.ghost_opacity;
+            } else {
+                this.minimap_circle.opacity = 1; 
+                this.hidden = false;
+                this.redraw();
+            }
+
+            _.each(
+                    this.project.get("edges").filter(
+                            function (ed) {
+                                return ((ed.get("to") === _this.model) || (ed.get("from") === _this.model));
+                            }
+                    ),
+                    function(edge, index, list) {
+                        var repr = _this.renderer.getRepresentationByModel(edge);
+                        if (repr && typeof repr.from_representation !== "undefined" && typeof repr.from_representation.paper_coords !== "undefined" && typeof repr.to_representation !== "undefined" && typeof repr.to_representation.paper_coords !== "undefined") {
+                            repr.show(_this.ghost);
+                        }
+                    }
+            );
+        },
+        hideNeighbors: function(){
+            var _this = this;
+            _.each(
+                    this.project.get("edges").filter(
+                            function (ed) {
+                                return (ed.get("from") === _this.model);
+                            }
+                    ),
+                    function(edge, index, list) {
+                        var repr = _this.renderer.getRepresentationByModel(edge.get("to"));
+                        if (repr && repr.ghost) {
+                            repr.hide();
+                        }
+                    }
+            );
+        },
+        showNeighbors: function(ghost){
+            var _this = this;
+            _.each(
+                    this.project.get("edges").filter(
+                            function (ed) {
+                                return (ed.get("from") === _this.model);
+                            }
+                    ),
+                    function(edge, index, list) {
+                        var repr = _this.renderer.getRepresentationByModel(edge.get("to"));
+                        if (repr && repr.hidden) {
+                            repr.show(ghost);
+                            if (!ghost){
+                                var indexNode = _this.renderer.view.hiddenNodes.indexOf(repr.model.id);
+                                if (indexNode !== -1){
+                                    _this.renderer.view.hiddenNodes.splice(indexNode, 1);
+                                }
+                            }
+                        }
+                    }
+            );
+        },
+        highlight: function(textToReplace) {
+            var hlvalue = textToReplace || true;
+            if (this.highlighted === hlvalue) {
+                return;
+            }
+            this.highlighted = hlvalue;
+            this.redraw();
+            this.renderer.throttledPaperDraw();
+        },
+        unhighlight: function() {
+            if (!this.highlighted) {
+                return;
+            }
+            this.highlighted = false;
+            this.redraw();
+            this.renderer.throttledPaperDraw();
+        },
+        saveCoords: function() {
+            var _coords = this.renderer.toModelCoords(this.paper_coords),
+            _data = {
+                position: {
+                    x: _coords.x,
+                    y: _coords.y
+                }
+            };
+            if (this.renderer.isEditable()) {
+                this.model.set(_data);
+            }
+        },
+        mousedown: function(_event, _isTouch) {
+            if (_isTouch) {
+                this.renderer.unselectAll();
+                this.select();
+            }
+        },
+        mouseup: function(_event, _isTouch) {
+            if (this.renderer.is_dragging && this.renderer.isEditable()) {
+                this.saveCoords();
+            } else {
+                if (this.hidden) {
+                    var index = this.renderer.view.hiddenNodes.indexOf(this.model.id);
+                    if (index !== -1){
+                        this.renderer.view.hiddenNodes.splice(index, 1);
+                    }
+                    this.show(false);
+                    this.select();
+                } else {
+                    if (!_isTouch && !this.model.get("delete_scheduled")) {
+                        this.openEditor();
+                    }
+                    this.model.trigger("clicked");
+                }
+            }
+            this.renderer.click_target = null;
+            this.renderer.is_dragging = false;
+            this.is_dragging = false;
+        },
+        destroy: function(_event) {
+            this._super("destroy");
+            this.all_buttons.forEach(function(b) {
+                b.destroy();
+            });
+            this.circle.remove();
+            this.title.remove();
+            if (this.renderer.minimap) {
+                this.minimap_circle.remove();
+            }
+            if (this.node_image) {
+                this.node_image.remove();
+            }
+        }
+    }).value();
+
+    return NodeRepr;
+
+});
+
+
+define('renderer/edge',['jquery', 'underscore', 'requtils', 'renderer/baserepresentation'], function ($, _, requtils, BaseRepresentation) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* Edge Class Begin */
+
+    //var Edge = Renderer.Edge = Utils.inherit(Renderer._BaseRepresentation);
+    var Edge = Utils.inherit(BaseRepresentation);
+
+    _(Edge.prototype).extend({
+        _init: function() {
+            this.renderer.edge_layer.activate();
+            this.type = "Edge";
+            this.hidden = false;
+            this.ghost = false;
+            this.from_representation = this.renderer.getRepresentationByModel(this.model.get("from"));
+            this.to_representation = this.renderer.getRepresentationByModel(this.model.get("to"));
+            this.bundle = this.renderer.addToBundles(this);
+            this.line = new paper.Path();
+            this.line.add([0,0],[0,0],[0,0]);
+            this.line.__representation = this;
+            this.line.strokeWidth = this.options.edge_stroke_width;
+            this.arrow_scale = 1;
+            this.arrow = new paper.Path();
+            this.arrow.add(
+                    [ 0, 0 ],
+                    [ this.options.edge_arrow_length, this.options.edge_arrow_width / 2 ],
+                    [ 0, this.options.edge_arrow_width ]
+            );
+            this.arrow.pivot = new paper.Point([ this.options.edge_arrow_length / 2, this.options.edge_arrow_width / 2 ]);
+            this.arrow.__representation = this;
+            this.text = $('<div class="Rk-Label Rk-Edge-Label">').appendTo(this.renderer.labels_$);
+            this.arrow_angle = 0;
+            if (this.options.editor_mode) {
+                var Renderer = requtils.getRenderer();
+                this.normal_buttons = [
+                                       new Renderer.EdgeEditButton(this.renderer, null),
+                                       new Renderer.EdgeRemoveButton(this.renderer, null)
+                                       ];
+                this.pending_delete_buttons = [
+                                               new Renderer.EdgeRevertButton(this.renderer, null)
+                                               ];
+                this.all_buttons = this.normal_buttons.concat(this.pending_delete_buttons);
+                for (var i = 0; i < this.all_buttons.length; i++) {
+                    this.all_buttons[i].source_representation = this;
+                }
+                this.active_buttons = [];
+            } else {
+                this.active_buttons = this.all_buttons = [];
+            }
+
+            if (this.renderer.minimap) {
+                this.renderer.minimap.edge_layer.activate();
+                this.minimap_line = new paper.Path();
+                this.minimap_line.add([0,0],[0,0]);
+                this.minimap_line.__representation = this.renderer.minimap.miniframe.__representation;
+                this.minimap_line.strokeWidth = 1;
+            }
+        },
+        _getStrokeWidth: function() {
+            var thickness = (this.model.has('style') && this.model.get('style').thickness) || 1;
+            return this.options.edge_stroke_width + (thickness-1) * (this.options.edge_stroke_max_width - this.options.edge_stroke_width) / (this.options.edge_stroke_witdh_scale-1);
+        },
+        _getSelectedStrokeWidth: function() {
+            var thickness = (this.model.has('style') && this.model.get('style').thickness) || 1;
+            return this.options.selected_edge_stroke_width + (thickness-1) * (this.options.selected_edge_stroke_max_width - this.options.selected_edge_stroke_width) / (this.options.edge_stroke_witdh_scale-1);
+        },
+        _getArrowScale: function() {
+            var thickness = (this.model.has('style') && this.model.get('style').thickness) || 1;
+            return 1 + (thickness-1) * ((this.options.edge_arrow_max_width / this.options.edge_arrow_width) - 1) / (this.options.edge_stroke_witdh_scale-1);
+        },
+        redraw: function() {
+            var from = this.model.get("from"),
+            to = this.model.get("to");
+            if (!from || !to || (this.hidden && !this.ghost)) {
+                return;
+            }
+            this.from_representation = this.renderer.getRepresentationByModel(from);
+            this.to_representation = this.renderer.getRepresentationByModel(to);
+            if (typeof this.from_representation === "undefined" || typeof this.to_representation === "undefined" ||
+                    (this.from_representation.hidden && !this.from_representation.ghost) ||
+                    (this.to_representation.hidden && !this.to_representation.ghost)) {
+                this.hide();
+                return;
+            }
+            var _strokeWidth = this._getStrokeWidth(),
+                _arrow_scale = this._getArrowScale(),
+                _p0a = this.from_representation.paper_coords,
+                _p1a = this.to_representation.paper_coords,
+                _v = _p1a.subtract(_p0a),
+                _r = _v.length,
+                _u = _v.divide(_r),
+                _ortho = new paper.Point([- _u.y, _u.x]),
+                _group_pos = this.bundle.getPosition(this),
+                _delta = _ortho.multiply( this.options.edge_gap_in_bundles * _group_pos ),
+                _p0b = _p0a.add(_delta), /* Adding a 4 px difference */
+                _p1b = _p1a.add(_delta), /* to differentiate bundled links */
+                _a = _v.angle,
+                _textdelta = _ortho.multiply(this.options.edge_label_distance + 0.5 * _arrow_scale * this.options.edge_arrow_width),
+                _handle = _v.divide(3),
+                _color = (this.model.has("style") && this.model.get("style").color) || (this.model.get("created_by") || Utils._USER_PLACEHOLDER(this.renkan)).get("color"),
+                _dash = (this.model.has("style") && this.model.get("style").dash) ? this.options.default_dash_array : null,
+                _opacity;
+
+            if (this.model.get("delete_scheduled") || this.from_representation.model.get("delete_scheduled") || this.to_representation.model.get("delete_scheduled")) {
+                _opacity = 0.5;
+                this.line.dashArray = [2, 2];
+            } else {
+                _opacity = this.ghost ? this.options.ghost_opacity : 1;
+                this.line.dashArray = null;
+            }
+
+            var old_act_btn = this.active_buttons;
+
+            this.arrow.visible =
+                (this.model.has("style") && this.model.get("style").arrow) ||
+                !this.model.has("style") ||
+                typeof this.model.get("style").arrow === 'undefined';
+
+            this.active_buttons = this.model.get("delete_scheduled") ? this.pending_delete_buttons : this.normal_buttons;
+
+            if (this.selected && this.renderer.isEditable() && old_act_btn !== this.active_buttons) {
+                old_act_btn.forEach(function(b) {
+                    b.hide();
+                });
+                this.active_buttons.forEach(function(b) {
+                    b.show();
+                });
+            }
+
+            this.paper_coords = _p0b.add(_p1b).divide(2);
+            this.line.strokeWidth = _strokeWidth;
+            this.line.strokeColor = _color;
+            this.line.dashArray = _dash;
+            this.line.opacity = _opacity;
+            this.line.segments[0].point = _p0a;
+            this.line.segments[1].point = this.paper_coords;
+            this.line.segments[1].handleIn = _handle.multiply(-1);
+            this.line.segments[1].handleOut = _handle;
+            this.line.segments[2].point = _p1a;
+            this.arrow.scale(_arrow_scale / this.arrow_scale);
+            this.arrow_scale = _arrow_scale;
+            this.arrow.fillColor = _color;
+            this.arrow.opacity = _opacity;
+            this.arrow.rotate(_a - this.arrow_angle, this.arrow.bounds.center);
+            this.arrow.position = this.paper_coords;
+
+            this.arrow_angle = _a;
+            if (_a > 90) {
+                _a -= 180;
+                _textdelta = _textdelta.multiply(-1);
+            }
+            if (_a < -90) {
+                _a += 180;
+                _textdelta = _textdelta.multiply(-1);
+            }
+            var _text = this.model.get("title") || this.renkan.translate(this.options.label_untitled_edges) || "";
+            _text = Utils.shortenText(_text, this.options.node_label_max_length);
+            this.text.text(_text);
+            var _textpos = this.paper_coords.add(_textdelta);
+            this.text.css({
+                left: _textpos.x,
+                top: _textpos.y,
+                transform: "rotate(" + _a + "deg)",
+                "-moz-transform": "rotate(" + _a + "deg)",
+                "-webkit-transform": "rotate(" + _a + "deg)",
+                opacity: _opacity
+            });
+            this.text_angle = _a;
+
+            var _pc = this.paper_coords;
+            this.all_buttons.forEach(function(b) {
+                b.moveTo(_pc);
+            });
+
+            if (this.renderer.minimap) {
+                this.minimap_line.strokeColor = _color;
+                this.minimap_line.segments[0].point = this.renderer.toMinimapCoords(new paper.Point(this.from_representation.model.get("position")));
+                this.minimap_line.segments[1].point = this.renderer.toMinimapCoords(new paper.Point(this.to_representation.model.get("position")));
+            }
+        },
+        hide: function(){
+            this.hidden = true;
+            this.ghost = false;
+
+            this.text.hide();
+            this.line.visible = false;
+            this.arrow.visible = false;
+            this.minimap_line.visible = false;
+        },
+        show: function(ghost){
+            this.ghost = ghost;
+            if (this.ghost) {
+                this.text.css('opacity', 0.3);
+                this.line.opacity = 0.3;
+                this.arrow.opacity = 0.3;
+                this.minimap_line.opacity = 0.3;
+            } else {
+                this.hidden = false;
+
+                this.text.css('opacity', 1);
+                this.line.opacity = 1;
+                this.arrow.opacity = 1;
+                this.minimap_line.opacity = 1;
+            }
+            this.text.show();
+            this.line.visible = true;
+            this.arrow.visible = true;
+            this.minimap_line.visible = true;
+            this.redraw();
+        },
+        openEditor: function() {
+            this.renderer.removeRepresentationsOfType("editor");
+            var _editor = this.renderer.addRepresentation("EdgeEditor",null);
+            _editor.source_representation = this;
+            _editor.draw();
+        },
+        select: function() {
+            this.selected = true;
+            this.line.strokeWidth = this._getSelectedStrokeWidth();
+            if (this.renderer.isEditable()) {
+                this.active_buttons.forEach(function(b) {
+                    b.show();
+                });
+            }
+            if (!this.options.editor_mode) {
+                this.openEditor();
+            }
+            this._super("select");
+        },
+        unselect: function(_newTarget) {
+            if (!_newTarget || _newTarget.source_representation !== this) {
+                this.selected = false;
+                if (this.options.editor_mode) {
+                    this.all_buttons.forEach(function(b) {
+                        b.hide();
+                    });
+                }
+                this.line.strokeWidth = this._getStrokeWidth();
+                this._super("unselect");
+            }
+        },
+        mousedown: function(_event, _isTouch) {
+            if (_isTouch) {
+                this.renderer.unselectAll();
+                this.select();
+            }
+        },
+        mouseup: function(_event, _isTouch) {
+            if (!this.renkan.read_only && this.renderer.is_dragging) {
+                this.from_representation.saveCoords();
+                this.to_representation.saveCoords();
+                this.from_representation.is_dragging = false;
+                this.to_representation.is_dragging = false;
+            } else {
+                if (!_isTouch) {
+                    this.openEditor();
+                }
+                this.model.trigger("clicked");
+            }
+            this.renderer.click_target = null;
+            this.renderer.is_dragging = false;
+        },
+        paperShift: function(_delta) {
+            if (this.options.editor_mode) {
+                if (!this.options.read_only) {
+                    this.from_representation.paperShift(_delta);
+                    this.to_representation.paperShift(_delta);
+                }
+            } else {
+                this.renderer.paperShift(_delta);
+            }
+        },
+        destroy: function() {
+            this._super("destroy");
+            this.line.remove();
+            this.arrow.remove();
+            this.text.remove();
+            if (this.renderer.minimap) {
+                this.minimap_line.remove();
+            }
+            this.all_buttons.forEach(function(b) {
+                b.destroy();
+            });
+            var _this = this;
+            this.bundle.edges = _.reject(this.bundle.edges, function(_edge) {
+                return _this === _edge;
+            });
+        }
+    }).value();
+
+    return Edge;
+
+});
+
+
+
+define('renderer/tempedge',['jquery', 'underscore', 'requtils', 'renderer/baserepresentation'], function ($, _, requtils, BaseRepresentation) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* TempEdge Class Begin */
+
+    //var TempEdge = Renderer.TempEdge = Utils.inherit(Renderer._BaseRepresentation);
+    var TempEdge = Utils.inherit(BaseRepresentation);
+
+    _(TempEdge.prototype).extend({
+        _init: function() {
+            this.renderer.edge_layer.activate();
+            this.type = "Temp-edge";
+
+            var _color = (this.project.get("users").get(this.renkan.current_user) || Utils._USER_PLACEHOLDER(this.renkan)).get("color");
+            this.line = new paper.Path();
+            this.line.strokeColor = _color;
+            this.line.dashArray = [4, 2];
+            this.line.strokeWidth = this.options.selected_edge_stroke_width;
+            this.line.add([0,0],[0,0]);
+            this.line.__representation = this;
+            this.arrow = new paper.Path();
+            this.arrow.fillColor = _color;
+            this.arrow.add(
+                    [ 0, 0 ],
+                    [ this.options.edge_arrow_length, this.options.edge_arrow_width / 2 ],
+                    [ 0, this.options.edge_arrow_width ]
+            );
+            this.arrow.__representation = this;
+            this.arrow_angle = 0;
+        },
+        redraw: function() {
+            var _p0 = this.from_representation.paper_coords,
+            _p1 = this.end_pos,
+            _a = _p1.subtract(_p0).angle,
+            _c = _p0.add(_p1).divide(2);
+            this.line.segments[0].point = _p0;
+            this.line.segments[1].point = _p1;
+            this.arrow.rotate(_a - this.arrow_angle);
+            this.arrow.position = _c;
+            this.arrow_angle = _a;
+        },
+        paperShift: function(_delta) {
+            if (!this.renderer.isEditable()) {
+                this.renderer.removeRepresentation(_this);
+                paper.view.draw();
+                return;
+            }
+            this.end_pos = this.end_pos.add(_delta);
+            var _hitResult = paper.project.hitTest(this.end_pos);
+            this.renderer.findTarget(_hitResult);
+            this.redraw();
+        },
+        mouseup: function(_event, _isTouch) {
+            var _hitResult = paper.project.hitTest(_event.point),
+            _model = this.from_representation.model,
+            _endDrag = true;
+            if (_hitResult && typeof _hitResult.item.__representation !== "undefined") {
+                var _target = _hitResult.item.__representation;
+                if (_target.type.substr(0,4) === "Node") {
+                    var _destmodel = _target.model || _target.source_representation.model;
+                    if (_model !== _destmodel) {
+                        var _data = {
+                                id: Utils.getUID('edge'),
+                                created_by: this.renkan.current_user,
+                                from: _model,
+                                to: _destmodel
+                        };
+                        if (this.renderer.isEditable()) {
+                            this.project.addEdge(_data);
+                        }
+                    }
+                }
+
+                if (_model === _target.model || (_target.source_representation && _target.source_representation.model === _model)) {
+                    _endDrag = false;
+                    this.renderer.is_dragging = true;
+                }
+            }
+            if (_endDrag) {
+                this.renderer.click_target = null;
+                this.renderer.is_dragging = false;
+                this.renderer.removeRepresentation(this);
+                paper.view.draw();
+            }
+        },
+        destroy: function() {
+            this.arrow.remove();
+            this.line.remove();
+        }
+    }).value();
+
+    /* TempEdge Class End */
+
+    return TempEdge;
+
+});
+
+
+define('renderer/baseeditor',['jquery', 'underscore', 'requtils', 'renderer/baserepresentation'], function ($, _, requtils, BaseRepresentation) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* _BaseEditor Begin */
+    //var _BaseEditor = Renderer._BaseEditor = Utils.inherit(Renderer._BaseRepresentation);
+    var _BaseEditor = Utils.inherit(BaseRepresentation);
+
+    _(_BaseEditor.prototype).extend({
+        _init: function() {
+            this.renderer.buttons_layer.activate();
+            this.type = "editor";
+            this.editor_block = new paper.Path();
+            var _pts = _.map(_.range(8), function() {return [0,0];});
+            this.editor_block.add.apply(this.editor_block, _pts);
+            this.editor_block.strokeWidth = this.options.tooltip_border_width;
+            this.editor_block.strokeColor = this.options.tooltip_border_color;
+            this.editor_block.opacity = this.options.tooltip_opacity;
+            this.editor_$ = $('<div>')
+                .appendTo(this.renderer.editor_$)
+                .css({
+                    position: "absolute",
+                    opacity: this.options.tooltip_opacity
+                })
+                .hide();
+        },
+        destroy: function() {
+            this.editor_block.remove();
+            this.editor_$.remove();
+        }
+    }).value();
+
+    /* _BaseEditor End */
+
+    return _BaseEditor;
+
+});
+
+
+define('renderer/nodeeditor',['jquery', 'underscore', 'requtils', 'renderer/baseeditor', 'renderer/shapebuilder', 'ckeditor-jquery'], function ($, _, requtils, BaseEditor, ShapeBuilder) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* NodeEditor Begin */
+    //var NodeEditor = Renderer.NodeEditor = Utils.inherit(Renderer._BaseEditor);
+    var NodeEditor = Utils.inherit(BaseEditor);
+
+    _(NodeEditor.prototype).extend({
+        _init: function() {
+            BaseEditor.prototype._init.apply(this);
+            this.template = this.options.templates['templates/nodeeditor.html'];
+            //this.templates['default']= this.options.templates['templates/nodeeditor.html'];
+            //fusionner avec this.options.node_editor_templates
+            this.readOnlyTemplate = this.options.node_editor_templates;
+        },
+        draw: function() {
+            var _model = this.source_representation.model,
+            _created_by = _model.get("created_by") || Utils._USER_PLACEHOLDER(this.renkan),
+            _template = (this.renderer.isEditable() ? this.template : this.readOnlyTemplate[_model.get("type")] || this.readOnlyTemplate["default"]),
+            _image_placeholder = this.options.static_url + "img/image-placeholder.png",
+            _size = (_model.get("size") || 0);
+            this.editor_$
+            .html(_template({
+                node: {
+                    _id: _model.get("_id"),
+                    has_creator: !!_model.get("created_by"),
+                    title: _model.get("title"),
+                    uri: _model.get("uri"),
+                    type: _model.get("type") || "default",
+                    short_uri:  Utils.shortenText((_model.get("uri") || "").replace(/^(https?:\/\/)?(www\.)?/,'').replace(/\/$/,''),40),
+                    description: _model.get("description"),
+                    image: _model.get("image") || "",
+                    image_placeholder: _image_placeholder,
+                    color: (_model.has("style") && _model.get("style").color) || _created_by.get("color"),
+                    thickness: (_model.has("style") && _model.get("style").thickness) || 1,
+                    dash: _model.has("style") && _model.get("style").dash ? "checked" : "",
+                    clip_path: _model.get("clip_path") || false,
+                    created_by_color: _created_by.get("color"),
+                    created_by_title: _created_by.get("title"),
+                    size: (_size > 0 ? "+" : "") + _size,
+                    shape: _model.get("shape") || "circle"
+                },
+                renkan: this.renkan,
+                options: this.options,
+                shortenText: Utils.shortenText,
+                shapes : _(ShapeBuilder.builders).omit('svg').keys().value(),
+                types : _(this.options.node_editor_templates).keys().value(),
+            }));
+            this.redraw();
+            var _this = this,
+                editorInstance = _this.options.show_node_editor_description_richtext ?
+                    $(".Rk-Edit-Description").ckeditor(_this.options.richtext_editor_config) :
+                    false,
+                closeEditor = function() {
+                    _this.renderer.removeRepresentation(_this);
+                    paper.view.draw();
+                };
+
+            _this.cleanEditor = function() {
+                _this.editor_$.off("keyup");
+                _this.editor_$.find("input, textarea, select").off("change keyup paste");
+                _this.editor_$.find(".Rk-Edit-Image-File").off('change');
+                _this.editor_$.find(".Rk-Edit-ColorPicker-Wrapper").off('hover');
+                _this.editor_$.find(".Rk-Edit-Size-Btn").off('click');
+                _this.editor_$.find(".Rk-Edit-Image-Del").off('click');
+                _this.editor_$.find(".Rk-Edit-ColorPicker").find("li").off('hover click');
+                _this.editor_$.find(".Rk-CloseX").off('click');
+                _this.editor_$.find(".Rk-Edit-Goto").off('click');
+
+                if(_this.options.show_node_editor_description_richtext) {
+                    if(typeof editorInstance.editor !== 'undefined') {
+                        var _editor = editorInstance.editor;
+                        delete editorInstance.editor;
+                        _editor.focusManager.blur(true);
+                        _editor.destroy();
+                    }
+                }
+            };
+
+            this.editor_$.find(".Rk-CloseX").click(function (e) {
+                e.preventDefault();
+                closeEditor();
+            });
+
+            this.editor_$.find(".Rk-Edit-Goto").click(function() {
+                if (!_model.get("uri")) {
+                    return false;
+                }
+            });
+
+            if (this.renderer.isEditable()) {
+
+                var onFieldChange = _.throttle(function() {
+                  _.defer(function() {
+                    if (_this.renderer.isEditable()) {
+                        var _data = {
+                            title: _this.editor_$.find(".Rk-Edit-Title").val()
+                        };
+                        if (_this.options.show_node_editor_uri) {
+                            _data.uri = _this.editor_$.find(".Rk-Edit-URI").val();
+                            _this.editor_$.find(".Rk-Edit-Goto").attr("href",_data.uri || "#");
+                        }
+                        if (_this.options.show_node_editor_image) {
+                            _data.image = _this.editor_$.find(".Rk-Edit-Image").val();
+                            _this.editor_$.find(".Rk-Edit-ImgPreview").attr("src", _data.image || _image_placeholder);
+                        }
+                        if (_this.options.show_node_editor_description) {
+                            if(_this.options.show_node_editor_description_richtext) {
+                                if(typeof editorInstance.editor !== 'undefined' &&
+                                    editorInstance.editor.checkDirty()) {
+                                    _data.description = editorInstance.editor.getData();
+                                    editorInstance.editor.resetDirty();
+                                }
+                            }
+                            else {
+                                _data.description = _this.editor_$.find(".Rk-Edit-Description").val();
+                            }
+                        }
+                        if (_this.options.show_node_editor_style) {
+                            var dash = _this.editor_$.find(".Rk-Edit-Dash").is(':checked');
+                            _data.style = _.assign( ((_model.has("style") && _.clone(_model.get("style"))) || {}), {dash: dash});
+                        }
+                        if (_this.options.change_shapes) {
+                            if(_model.get("shape")!==_this.editor_$.find(".Rk-Edit-Shape").val()){
+                                _data.shape = _this.editor_$.find(".Rk-Edit-Shape").val();
+                            }
+                        }
+                        if (_this.options.change_types) {
+                            if(_model.get("type")!==_this.editor_$.find(".Rk-Edit-Type").val()){
+                                _data.type = _this.editor_$.find(".Rk-Edit-Type").val();
+                            }
+                        }
+                        _model.set(_data);
+                        _this.redraw();
+                    } else {
+                        closeEditor();
+                    }
+                  });
+                }, 1000);
+
+                this.editor_$.on("keyup", function(_e) {
+                    if (_e.keyCode === 27) {
+                        closeEditor();
+                    }
+                });
+
+                this.editor_$.find("input, textarea, select").on("change keyup paste", onFieldChange);
+                if( _this.options.show_node_editor_description &&
+                    _this.options.show_node_editor_description_richtext &&
+                    typeof editorInstance.editor !== 'undefined')
+                {
+                    editorInstance.editor.on("change", onFieldChange);
+                    editorInstance.editor.on("blur", onFieldChange);
+                }
+
+                if(_this.options.allow_image_upload) {
+                    this.editor_$.find(".Rk-Edit-Image-File").change(function() {
+                        if (this.files.length) {
+                            var f = this.files[0],
+                            fr = new FileReader();
+                            if (f.type.substr(0,5) !== "image") {
+                                alert(_this.renkan.translate("This file is not an image"));
+                                return;
+                            }
+                            if (f.size > (_this.options.uploaded_image_max_kb * 1024)) {
+                                alert(_this.renkan.translate("Image size must be under ") + _this.options.uploaded_image_max_kb + _this.renkan.translate("KB"));
+                                return;
+                            }
+                            fr.onload = function(e) {
+                                _this.editor_$.find(".Rk-Edit-Image").val(e.target.result);
+                                onFieldChange();
+                            };
+                            fr.readAsDataURL(f);
+                        }
+                    });
+                }
+                this.editor_$.find(".Rk-Edit-Title")[0].focus();
+
+                var _picker = _this.editor_$.find(".Rk-Edit-ColorPicker");
+
+                this.editor_$.find(".Rk-Edit-ColorPicker-Wrapper").hover(
+                        function(_e) {
+                            _e.preventDefault();
+                            _picker.show();
+                        },
+                        function(_e) {
+                            _e.preventDefault();
+                            _picker.hide();
+                        }
+                );
+
+                _picker.find("li").hover(
+                        function(_e) {
+                            _e.preventDefault();
+                            _this.editor_$.find(".Rk-Edit-Color").css("background", $(this).attr("data-color"));
+                        },
+                        function(_e) {
+                            _e.preventDefault();
+                            _this.editor_$.find(".Rk-Edit-Color").css("background", (_model.has("style") && _model.get("style").color) || (_model.get("created_by") || Utils._USER_PLACEHOLDER(_this.renkan)).get("color"));
+                        }
+                ).click(function(_e) {
+                    _e.preventDefault();
+                    if (_this.renderer.isEditable()) {
+                        _model.set("style", _.assign( ((_model.has("style") && _.clone(_model.get("style"))) || {}), {color: $(this).attr("data-color")}));
+                        _picker.hide();
+                        paper.view.draw();
+                    } else {
+                        closeEditor();
+                    }
+                });
+
+                var shiftSize = function(n) {
+                    if (_this.renderer.isEditable()) {
+                        var _newsize = n+(_model.get("size") || 0);
+                        _this.editor_$.find("#Rk-Edit-Size-Value").text((_newsize > 0 ? "+" : "") + _newsize);
+                        _model.set("size", _newsize);
+                        paper.view.draw();
+                    } else {
+                        closeEditor();
+                    }
+                };
+
+                this.editor_$.find("#Rk-Edit-Size-Down").click(function() {
+                    shiftSize(-1);
+                    return false;
+                });
+                this.editor_$.find("#Rk-Edit-Size-Up").click(function() {
+                    shiftSize(1);
+                    return false;
+                });
+
+                var shiftThickness = function(n) {
+                    if (_this.renderer.isEditable()) {
+                        var _oldThickness = ((_model.has('style') && _model.get('style').thickness) || 1),
+                            _newThickness = n + _oldThickness;
+                        if(_newThickness < 1 ) {
+                            _newThickness = 1;
+                        }
+                        else if (_newThickness > _this.options.node_stroke_witdh_scale) {
+                            _newThickness = _this.options.node_stroke_witdh_scale;
+                        }
+                        if (_newThickness !== _oldThickness) {
+                            _this.editor_$.find("#Rk-Edit-Thickness-Value").text(_newThickness);
+                            _model.set("style", _.assign( ((_model.has("style") && _.clone(_model.get("style"))) || {}), {thickness: _newThickness}));
+                            paper.view.draw();
+                        }
+                    }
+                    else {
+                        closeEditor();
+                    }
+                };
+
+                this.editor_$.find("#Rk-Edit-Thickness-Down").click(function() {
+                    shiftThickness(-1);
+                    return false;
+                });
+                this.editor_$.find("#Rk-Edit-Thickness-Up").click(function() {
+                    shiftThickness(1);
+                    return false;
+                });
+
+                this.editor_$.find(".Rk-Edit-Image-Del").click(function() {
+                    _this.editor_$.find(".Rk-Edit-Image").val('');
+                    onFieldChange();
+                    return false;
+                });
+            } else {
+                if (typeof this.source_representation.highlighted === "object") {
+                    var titlehtml = this.source_representation.highlighted.replace(_(_model.get("title")).escape(),'<span class="Rk-Highlighted">$1</span>');
+                    this.editor_$.find(".Rk-Display-Title" + (_model.get("uri") ? " a" : "")).html(titlehtml);
+                    if (this.options.show_node_tooltip_description) {
+                        this.editor_$.find(".Rk-Display-Description").html(this.source_representation.highlighted.replace(_(_model.get("description")).escape(),'<span class="Rk-Highlighted">$1</span>'));
+                    }
+                }
+            }
+            this.editor_$.find("img").load(function() {
+                _this.redraw();
+            });
+        },
+        redraw: function() {
+            if (this.options.popup_editor){
+                var _coords = this.source_representation.paper_coords;
+                Utils.drawEditBox(this.options, _coords, this.editor_block, this.source_representation.circle_radius * 0.75, this.editor_$);
+            }
+            this.editor_$.show();
+            paper.view.draw();
+        },
+        destroy: function() {
+            if(typeof this.cleanEditor !== 'undefined') {
+                this.cleanEditor();
+            }
+            this.editor_block.remove();
+            this.editor_$.remove();
+        }
+    }).value();
+
+    /* NodeEditor End */
+
+    return NodeEditor;
+
+});
+
+
+define('renderer/edgeeditor',['jquery', 'underscore', 'requtils', 'renderer/baseeditor'], function ($, _, requtils, BaseEditor) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* EdgeEditor Begin */
+
+    //var EdgeEditor = Renderer.EdgeEditor = Utils.inherit(Renderer._BaseEditor);
+    var EdgeEditor = Utils.inherit(BaseEditor);
+
+    _(EdgeEditor.prototype).extend({
+        _init: function() {
+          BaseEditor.prototype._init.apply(this);
+          this.template = this.options.templates['templates/edgeeditor.html'];
+          this.readOnlyTemplate = this.options.templates['templates/edgeeditor_readonly.html'];
+        },
+        draw: function() {
+            var _model = this.source_representation.model,
+            _from_model = _model.get("from"),
+            _to_model = _model.get("to"),
+            _created_by = _model.get("created_by") || Utils._USER_PLACEHOLDER(this.renkan),
+            _template = (this.renderer.isEditable() ? this.template : this.readOnlyTemplate);
+            this.editor_$
+              .html(_template({
+                edge: {
+                    has_creator: !!_model.get("created_by"),
+                    title: _model.get("title"),
+                    uri: _model.get("uri"),
+                    short_uri:  Utils.shortenText((_model.get("uri") || "").replace(/^(https?:\/\/)?(www\.)?/,'').replace(/\/$/,''),40),
+                    description: _model.get("description"),
+                    color: (_model.has("style") && _model.get("style").color) || _created_by.get("color"),
+                    dash: _model.has("style") && _model.get("style").dash ? "checked" : "",
+                    arrow: (_model.has("style") && _model.get("style").arrow) || !_model.has("style") || (typeof _model.get("style").arrow === 'undefined') ? "checked" : "",
+                    thickness: (_model.has("style") && _model.get("style").thickness) || 1,
+                    from_title: _from_model.get("title"),
+                    to_title: _to_model.get("title"),
+                    from_color: (_from_model.has("style") && _from_model.get("style").color) || (_from_model.get("created_by") || Utils._USER_PLACEHOLDER(this.renkan)).get("color"),
+                    to_color: (_to_model.has("style") && _to_model.get("style").color) || (_to_model.get("created_by") || Utils._USER_PLACEHOLDER(this.renkan)).get("color"),
+                    created_by_color: _created_by.get("color"),
+                    created_by_title: _created_by.get("title")
+                },
+                renkan: this.renkan,
+                shortenText: Utils.shortenText,
+                options: this.options
+            }));
+            this.redraw();
+            var _this = this,
+            closeEditor = function() {
+                _this.renderer.removeRepresentation(_this);
+                _this.editor_$.find(".Rk-Edit-Size-Btn").off('click');
+                paper.view.draw();
+            };
+            this.editor_$.find(".Rk-CloseX").click(closeEditor);
+            this.editor_$.find(".Rk-Edit-Goto").click(function() {
+                if (!_model.get("uri")) {
+                    return false;
+                }
+            });
+
+            if (this.renderer.isEditable()) {
+
+                var onFieldChange = _.throttle(function() {
+                    _.defer(function() {
+                        if (_this.renderer.isEditable()) {
+                            var _data = {
+                                title: _this.editor_$.find(".Rk-Edit-Title").val()
+                            };
+                            if (_this.options.show_edge_editor_uri) {
+                                _data.uri = _this.editor_$.find(".Rk-Edit-URI").val();
+                            }
+                            if (_this.options.show_node_editor_style) {
+                                var dash = _this.editor_$.find(".Rk-Edit-Dash").is(':checked'),
+                                    arrow = _this.editor_$.find(".Rk-Edit-Arrow").is(':checked');
+                                _data.style = _.assign( ((_model.has("style") && _.clone(_model.get("style"))) || {}), {dash: dash, arrow: arrow});
+                            }
+                            _this.editor_$.find(".Rk-Edit-Goto").attr("href",_data.uri || "#");
+                            _model.set(_data);
+                            paper.view.draw();
+                        } else {
+                            closeEditor();
+                        }
+                    });
+                },500);
+
+                this.editor_$.on("keyup", function(_e) {
+                    if (_e.keyCode === 27) {
+                        closeEditor();
+                    }
+                });
+
+                this.editor_$.find("input").on("keyup change paste", onFieldChange);
+
+                this.editor_$.find(".Rk-Edit-Vocabulary").change(function() {
+                    var e = $(this),
+                    v = e.val();
+                    if (v) {
+                        _this.editor_$.find(".Rk-Edit-Title").val(e.find(":selected").text());
+                        _this.editor_$.find(".Rk-Edit-URI").val(v);
+                        onFieldChange();
+                    }
+                });
+                this.editor_$.find(".Rk-Edit-Direction").click(function() {
+                    if (_this.renderer.isEditable()) {
+                        _model.set({
+                            from: _model.get("to"),
+                            to: _model.get("from")
+                        });
+                        _this.draw();
+                    } else {
+                        closeEditor();
+                    }
+                });
+
+                var _picker = _this.editor_$.find(".Rk-Edit-ColorPicker");
+
+                this.editor_$.find(".Rk-Edit-ColorPicker-Wrapper").hover(
+                        function(_e) {
+                            _e.preventDefault();
+                            _picker.show();
+                        },
+                        function(_e) {
+                            _e.preventDefault();
+                            _picker.hide();
+                        }
+                );
+
+                _picker.find("li").hover(
+                        function(_e) {
+                            _e.preventDefault();
+                            _this.editor_$.find(".Rk-Edit-Color").css("background", $(this).attr("data-color"));
+                        },
+                        function(_e) {
+                            _e.preventDefault();
+                            _this.editor_$.find(".Rk-Edit-Color").css("background", (_model.has("style") && _model.get("style").color)|| (_model.get("created_by") || Utils._USER_PLACEHOLDER(_this.renkan)).get("color"));
+                        }
+                ).click(function(_e) {
+                    _e.preventDefault();
+                    if (_this.renderer.isEditable()) {
+                        _model.set("style", _.assign( ((_model.has("style") && _.clone(_model.get("style"))) || {}), {color: $(this).attr("data-color")}));
+                        _picker.hide();
+                        paper.view.draw();
+                    } else {
+                        closeEditor();
+                    }
+                });
+                var shiftThickness = function(n) {
+                    if (_this.renderer.isEditable()) {
+                        var _oldThickness = ((_model.has('style') && _model.get('style').thickness) || 1),
+                            _newThickness = n + _oldThickness;
+                        if(_newThickness < 1 ) {
+                            _newThickness = 1;
+                        }
+                        else if (_newThickness > _this.options.node_stroke_witdh_scale) {
+                            _newThickness = _this.options.node_stroke_witdh_scale;
+                        }
+                        if (_newThickness !== _oldThickness) {
+                            _this.editor_$.find("#Rk-Edit-Thickness-Value").text(_newThickness);
+                            _model.set("style", _.assign( ((_model.has("style") && _.clone(_model.get("style"))) || {}), {thickness: _newThickness}));
+                            paper.view.draw();
+                        }
+                    }
+                    else {
+                        closeEditor();
+                    }
+                };
+
+                this.editor_$.find("#Rk-Edit-Thickness-Down").click(function() {
+                    shiftThickness(-1);
+                    return false;
+                });
+                this.editor_$.find("#Rk-Edit-Thickness-Up").click(function() {
+                    shiftThickness(1);
+                    return false;
+                });
+            }
+        },
+        redraw: function() {
+            if (this.options.popup_editor){
+                var _coords = this.source_representation.paper_coords;
+                Utils.drawEditBox(this.options, _coords, this.editor_block, 5, this.editor_$);
+            }
+            this.editor_$.show();
+            paper.view.draw();
+        }
+    }).value();
+
+    /* EdgeEditor End */
+
+    return EdgeEditor;
+
+});
+
+
+define('renderer/nodebutton',['jquery', 'underscore', 'requtils', 'renderer/basebutton'], function ($, _, requtils, BaseButton) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* _NodeButton Begin */
+
+    //var _NodeButton = Renderer._NodeButton = Utils.inherit(Renderer._BaseButton);
+    var _NodeButton = Utils.inherit(BaseButton);
+
+    _(_NodeButton.prototype).extend({
+        setSectorSize: function() {
+            var sectorInner = this.source_representation.circle_radius;
+            if (sectorInner !== this.lastSectorInner) {
+                if (this.sector) {
+                    this.sector.destroy();
+                }
+                this.sector = this.renderer.drawSector(
+                        this, 1 + sectorInner,
+                        Utils._NODE_BUTTON_WIDTH + sectorInner,
+                        this.startAngle,
+                        this.endAngle,
+                        1,
+                        this.imageName,
+                        this.renkan.translate(this.text)
+                );
+                this.lastSectorInner = sectorInner;
+            }
+        },
+        unselect: function() {
+            BaseButton.prototype.unselect.apply(this, Array.prototype.slice.call(arguments, 1));
+            if(this.source_representation && this.source_representation.buttons_timeout) {
+                clearTimeout(this.source_representation.buttons_timeout);
+                this.source_representation.hideButtons();
+            }
+        },
+        select: function() {
+            if(this.source_representation && this.source_representation.buttons_timeout) {
+                clearTimeout(this.source_representation.buttons_timeout);
+            }
+            this.sector.select();
+        },
+    }).value();
+
+
+    /* _NodeButton End */
+
+    return _NodeButton;
+
+});
+
+
+define('renderer/nodeeditbutton',['jquery', 'underscore', 'requtils', 'renderer/nodebutton'], function ($, _, requtils, NodeButton) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* NodeEditButton Begin */
+
+    //var NodeEditButton = Renderer.NodeEditButton = Utils.inherit(Renderer._NodeButton);
+    var NodeEditButton = Utils.inherit(NodeButton);
+
+    _(NodeEditButton.prototype).extend({
+        _init: function() {
+            this.type = "Node-edit-button";
+            this.lastSectorInner = 0;
+            this.startAngle = this.options.hide_nodes ? -125 : -135;
+            this.endAngle = this.options.hide_nodes ? -55 : -45;
+            this.imageName = "edit";
+            this.text = "Edit";
+        },
+        mouseup: function() {
+            if (!this.renderer.is_dragging) {
+                this.source_representation.openEditor();
+            }
+        }
+    }).value();
+
+    /* NodeEditButton End */
+
+    return NodeEditButton;
+
+});
+
+
+define('renderer/noderemovebutton',['jquery', 'underscore', 'requtils', 'renderer/nodebutton'], function ($, _, requtils, NodeButton) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* NodeRemoveButton Begin */
+
+    //var NodeRemoveButton = Renderer.NodeRemoveButton = Utils.inherit(Renderer._NodeButton);
+    var NodeRemoveButton = Utils.inherit(NodeButton);
+
+    _(NodeRemoveButton.prototype).extend({
+        _init: function() {
+            this.type = "Node-remove-button";
+            this.lastSectorInner = 0;
+            this.startAngle = this.options.hide_nodes ? -10 : 0;
+            this.endAngle = this.options.hide_nodes ? 45 : 90;
+            this.imageName = "remove";
+            this.text = "Remove";
+        },
+        mouseup: function() {
+            this.renderer.click_target = null;
+            this.renderer.is_dragging = false;
+            this.renderer.removeRepresentationsOfType("editor");
+            if (this.renderer.isEditable()) {
+                if (this.options.element_delete_delay) {
+                    var delid = Utils.getUID("delete");
+                    this.renderer.delete_list.push({
+                        id: delid,
+                        time: new Date().valueOf() + this.options.element_delete_delay
+                    });
+                    this.source_representation.model.set("delete_scheduled", delid);
+                } else {
+                    if (confirm(this.renkan.translate('Do you really wish to remove node ') + '"' + this.source_representation.model.get("title") + '"?')) {
+                        this.project.removeNode(this.source_representation.model);
+                    }
+                }
+            }
+        }
+    }).value();
+
+    /* NodeRemoveButton End */
+
+    return NodeRemoveButton;
+
+});
+
+
+define('renderer/nodehidebutton',['jquery', 'underscore', 'requtils', 'renderer/nodebutton'], function ($, _, requtils, NodeButton) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* NodeRemoveButton Begin */
+
+    //var NodeRemoveButton = Renderer.NodeRemoveButton = Utils.inherit(Renderer._NodeButton);
+    var NodeHideButton = Utils.inherit(NodeButton);
+
+    _(NodeHideButton.prototype).extend({
+        _init: function() {
+            this.type = "Node-hide-button";
+            this.lastSectorInner = 0;
+            this.startAngle = 45;
+            this.endAngle = 90;
+            this.imageName = "hide";
+            this.text = "Hide";
+        },
+        mouseup: function() {
+            this.renderer.click_target = null;
+            this.renderer.is_dragging = false;
+            this.renderer.removeRepresentationsOfType("editor");
+            if (this.renderer.isEditable()) {
+                this.renderer.view.addHiddenNode(this.source_representation.model);
+            }
+        }
+    }).value();
+
+    /* NodeRemoveButton End */
+
+    return NodeHideButton;
+
+});
+
+
+define('renderer/nodeshowbutton',['jquery', 'underscore', 'requtils', 'renderer/nodebutton'], function ($, _, requtils, NodeButton) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* NodeRemoveButton Begin */
+
+    //var NodeRemoveButton = Renderer.NodeRemoveButton = Utils.inherit(Renderer._NodeButton);
+    var NodeShowButton = Utils.inherit(NodeButton);
+
+    _(NodeShowButton.prototype).extend({
+        _init: function() {
+            this.type = "Node-show-button";
+            this.lastSectorInner = 0;
+            this.startAngle = 90;
+            this.endAngle = 135;
+            this.imageName = "show";
+            this.text = "Show";
+        },
+        mouseup: function() {
+            this.renderer.click_target = null;
+            this.renderer.is_dragging = false;
+            this.renderer.removeRepresentationsOfType("editor");
+            if (this.renderer.isEditable()) {
+                this.source_representation.showNeighbors(false);
+            }
+        }
+    }).value();
+
+    /* NodeShowButton End */
+
+    return NodeShowButton;
+
+});
+
+
+define('renderer/noderevertbutton',['jquery', 'underscore', 'requtils', 'renderer/nodebutton'], function ($, _, requtils, NodeButton) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* NodeRevertButton Begin */
+
+    //var NodeRevertButton = Renderer.NodeRevertButton = Utils.inherit(Renderer._NodeButton);
+    var NodeRevertButton = Utils.inherit(NodeButton);
+
+    _(NodeRevertButton.prototype).extend({
+        _init: function() {
+            this.type = "Node-revert-button";
+            this.lastSectorInner = 0;
+            this.startAngle = -135;
+            this.endAngle = 135;
+            this.imageName = "revert";
+            this.text = "Cancel deletion";
+        },
+        mouseup: function() {
+            this.renderer.click_target = null;
+            this.renderer.is_dragging = false;
+            if (this.renderer.isEditable()) {
+                this.source_representation.model.unset("delete_scheduled");
+            }
+        }
+    }).value();
+
+    /* NodeRevertButton End */
+
+    return NodeRevertButton;
+
+});
+
+
+define('renderer/nodelinkbutton',['jquery', 'underscore', 'requtils', 'renderer/nodebutton'], function ($, _, requtils, NodeButton) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* NodeLinkButton Begin */
+
+    //var NodeLinkButton = Renderer.NodeLinkButton = Utils.inherit(Renderer._NodeButton);
+    var NodeLinkButton = Utils.inherit(NodeButton);
+
+    _(NodeLinkButton.prototype).extend({
+        _init: function() {
+            this.type = "Node-link-button";
+            this.lastSectorInner = 0;
+            this.startAngle = this.options.hide_nodes ? 135 : 90;
+            this.endAngle = this.options.hide_nodes ? 190 : 180;
+            this.imageName = "link";
+            this.text = "Link to another node";
+        },
+        mousedown: function(_event, _isTouch) {
+            if (this.renderer.isEditable()) {
+                var _off = this.renderer.canvas_$.offset(),
+                _point = new paper.Point([
+                                          _event.pageX - _off.left,
+                                          _event.pageY - _off.top
+                                          ]);
+                this.renderer.click_target = null;
+                this.renderer.removeRepresentationsOfType("editor");
+                this.renderer.addTempEdge(this.source_representation, _point);
+            }
+        }
+    }).value();
+
+    /* NodeLinkButton End */
+
+    return NodeLinkButton;
+
+});
+
+
+
+define('renderer/nodeenlargebutton',['jquery', 'underscore', 'requtils', 'renderer/nodebutton'], function ($, _, requtils, NodeButton) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* NodeEnlargeButton Begin */
+
+    //var NodeEnlargeButton = Renderer.NodeEnlargeButton = Utils.inherit(Renderer._NodeButton);
+    var NodeEnlargeButton = Utils.inherit(NodeButton);
+
+    _(NodeEnlargeButton.prototype).extend({
+        _init: function() {
+            this.type = "Node-enlarge-button";
+            this.lastSectorInner = 0;
+            this.startAngle = this.options.hide_nodes ? -55 : -45;
+            this.endAngle = this.options.hide_nodes ? -10 : 0;
+            this.imageName = "enlarge";
+            this.text = "Enlarge";
+        },
+        mouseup: function() {
+            var _newsize = 1 + (this.source_representation.model.get("size") || 0);
+            this.source_representation.model.set("size", _newsize);
+            this.source_representation.select();
+            this.select();
+            paper.view.draw();
+        }
+    }).value();
+
+    /* NodeEnlargeButton End */
+
+    return NodeEnlargeButton;
+
+});
+
+
+define('renderer/nodeshrinkbutton',['jquery', 'underscore', 'requtils', 'renderer/nodebutton'], function ($, _, requtils, NodeButton) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* NodeShrinkButton Begin */
+
+    //var NodeShrinkButton = Renderer.NodeShrinkButton = Utils.inherit(Renderer._NodeButton);
+    var NodeShrinkButton = Utils.inherit(NodeButton);
+
+    _(NodeShrinkButton.prototype).extend({
+        _init: function() {
+            this.type = "Node-shrink-button";
+            this.lastSectorInner = 0;
+            this.startAngle = this.options.hide_nodes ? -170 : -180;
+            this.endAngle = this.options.hide_nodes ? -125 : -135;
+            this.imageName = "shrink";
+            this.text = "Shrink";
+        },
+        mouseup: function() {
+            var _newsize = -1 + (this.source_representation.model.get("size") || 0);
+            this.source_representation.model.set("size", _newsize);
+            this.source_representation.select();
+            this.select();
+            paper.view.draw();
+        }
+    }).value();
+
+    /* NodeShrinkButton End */
+
+    return NodeShrinkButton;
+
+});
+
+
+define('renderer/edgeeditbutton',['jquery', 'underscore', 'requtils', 'renderer/basebutton'], function ($, _, requtils, BaseButton) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* EdgeEditButton Begin */
+
+    //var EdgeEditButton = Renderer.EdgeEditButton = Utils.inherit(Renderer._BaseButton);
+    var EdgeEditButton = Utils.inherit(BaseButton);
+
+    _(EdgeEditButton.prototype).extend({
+        _init: function() {
+            this.type = "Edge-edit-button";
+            this.sector = this.renderer.drawSector(this, Utils._EDGE_BUTTON_INNER, Utils._EDGE_BUTTON_OUTER, -270, -90, 1, "edit", this.renkan.translate("Edit"));
+        },
+        mouseup: function() {
+            if (!this.renderer.is_dragging) {
+                this.source_representation.openEditor();
+            }
+        }
+    }).value();
+
+    /* EdgeEditButton End */
+
+    return EdgeEditButton;
+
+});
+
+
+define('renderer/edgeremovebutton',['jquery', 'underscore', 'requtils', 'renderer/basebutton'], function ($, _, requtils, BaseButton) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* EdgeRemoveButton Begin */
+
+    //var EdgeRemoveButton = Renderer.EdgeRemoveButton = Utils.inherit(Renderer._BaseButton);
+    var EdgeRemoveButton = Utils.inherit(BaseButton);
+
+    _(EdgeRemoveButton.prototype).extend({
+        _init: function() {
+            this.type = "Edge-remove-button";
+            this.sector = this.renderer.drawSector(this, Utils._EDGE_BUTTON_INNER, Utils._EDGE_BUTTON_OUTER, -90, 90, 1, "remove", this.renkan.translate("Remove"));
+        },
+        mouseup: function() {
+            this.renderer.click_target = null;
+            this.renderer.is_dragging = false;
+            this.renderer.removeRepresentationsOfType("editor");
+            if (this.renderer.isEditable()) {
+                if (this.options.element_delete_delay) {
+                    var delid = Utils.getUID("delete");
+                    this.renderer.delete_list.push({
+                        id: delid,
+                        time: new Date().valueOf() + this.options.element_delete_delay
+                    });
+                    this.source_representation.model.set("delete_scheduled", delid);
+                } else {
+                    if (confirm(this.renkan.translate('Do you really wish to remove edge ') + '"' + this.source_representation.model.get("title") + '"?')) {
+                        this.project.removeEdge(this.source_representation.model);
+                    }
+                }
+            }
+        }
+    }).value();
+
+    /* EdgeRemoveButton End */
+
+    return EdgeRemoveButton;
+
+});
+
+
+define('renderer/edgerevertbutton',['jquery', 'underscore', 'requtils', 'renderer/basebutton'], function ($, _, requtils, BaseButton) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* EdgeRevertButton Begin */
+
+    //var EdgeRevertButton = Renderer.EdgeRevertButton = Utils.inherit(Renderer._BaseButton);
+    var EdgeRevertButton = Utils.inherit(BaseButton);
+
+    _(EdgeRevertButton.prototype).extend({
+        _init: function() {
+            this.type = "Edge-revert-button";
+            this.sector = this.renderer.drawSector(this, Utils._EDGE_BUTTON_INNER, Utils._EDGE_BUTTON_OUTER, -135, 135, 1, "revert", this.renkan.translate("Cancel deletion"));
+        },
+        mouseup: function() {
+            this.renderer.click_target = null;
+            this.renderer.is_dragging = false;
+            if (this.renderer.isEditable()) {
+                this.source_representation.model.unset("delete_scheduled");
+            }
+        }
+    }).value();
+
+    /* EdgeRevertButton End */
+
+    return EdgeRevertButton;
+
+});
+
+
+define('renderer/miniframe',['jquery', 'underscore', 'requtils', 'renderer/baserepresentation'], function ($, _, requtils, BaseRepresentation) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* MiniFrame Begin */
+
+    //var MiniFrame = Renderer.MiniFrame = Utils.inherit(Renderer._BaseRepresentation);
+    var MiniFrame = Utils.inherit(BaseRepresentation);
+
+    _(MiniFrame.prototype).extend({
+        paperShift: function(_delta) {
+            this.renderer.offset = this.renderer.offset.subtract(_delta.divide(this.renderer.minimap.scale).multiply(this.renderer.scale));
+            this.renderer.redraw();
+        },
+        mouseup: function(_delta) {
+            this.renderer.click_target = null;
+            this.renderer.is_dragging = false;
+        }
+    }).value();
+
+
+    /* MiniFrame End */
+
+    return MiniFrame;
+
+});
+
+
+define('renderer/scene',['jquery', 'underscore', 'filesaver', 'requtils', 'renderer/miniframe'], function ($, _, filesaver, requtils, MiniFrame) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* Scene Begin */
+
+    var Scene = function(_renkan) {
+        this.renkan = _renkan;
+        this.$ = $(".Rk-Render");
+        this.representations = [];
+        this.$.html(_renkan.options.templates['templates/scene.html'](_renkan));
+        this.onStatusChange();
+        this.canvas_$ = this.$.find(".Rk-Canvas");
+        this.labels_$ = this.$.find(".Rk-Labels");
+        if (!_renkan.options.popup_editor){
+            this.editor_$ = $("#" + _renkan.options.editor_panel);
+        }else{
+            this.editor_$ = this.$.find(".Rk-Editor");
+        }
+        this.notif_$ = this.$.find(".Rk-Notifications");
+        paper.setup(this.canvas_$[0]);
+        this.totalScroll = 0;
+        this.mouse_down = false;
+        this.click_target = null;
+        this.selected_target = null;
+        this.edge_layer = new paper.Layer();
+        this.node_layer = new paper.Layer();
+        this.buttons_layer = new paper.Layer();
+        this.delete_list = [];
+        this.redrawActive = true;
+
+        if (_renkan.options.show_minimap) {
+            this.minimap = {
+                    background_layer: new paper.Layer(),
+                    edge_layer: new paper.Layer(),
+                    node_layer: new paper.Layer(),
+                    node_group: new paper.Group(),
+                    size: new paper.Size( _renkan.options.minimap_width, _renkan.options.minimap_height )
+            };
+
+            this.minimap.background_layer.activate();
+            this.minimap.topleft = paper.view.bounds.bottomRight.subtract(this.minimap.size);
+            this.minimap.rectangle = new paper.Path.Rectangle(this.minimap.topleft.subtract([2,2]), this.minimap.size.add([4,4]));
+            this.minimap.rectangle.fillColor = _renkan.options.minimap_background_color;
+            this.minimap.rectangle.strokeColor = _renkan.options.minimap_border_color;
+            this.minimap.rectangle.strokeWidth = 4;
+            this.minimap.offset = new paper.Point(this.minimap.size.divide(2));
+            this.minimap.scale = 0.1;
+
+            this.minimap.node_layer.activate();
+            this.minimap.cliprectangle = new paper.Path.Rectangle(this.minimap.topleft, this.minimap.size);
+            this.minimap.node_group.addChild(this.minimap.cliprectangle);
+            this.minimap.node_group.clipped = true;
+            this.minimap.miniframe = new paper.Path.Rectangle(this.minimap.topleft, this.minimap.size);
+            this.minimap.node_group.addChild(this.minimap.miniframe);
+            this.minimap.miniframe.fillColor = '#c0c0ff';
+            this.minimap.miniframe.opacity = 0.3;
+            this.minimap.miniframe.strokeColor = '#000080';
+            this.minimap.miniframe.strokeWidth = 2;
+            this.minimap.miniframe.__representation = new MiniFrame(this, null);
+        }
+
+        this.throttledPaperDraw = _(function() {
+            paper.view.draw();
+        }).throttle(100).value();
+
+        this.bundles = [];
+        this.click_mode = false;
+
+        var _this = this,
+        _allowScroll = true,
+        _originalScale = 1,
+        _zooming = false,
+        _lastTapX = 0,
+        _lastTapY = 0;
+
+        this.image_cache = {};
+        this.icon_cache = {};
+
+        ['edit', 'remove', 'hide', 'show', 'link', 'enlarge', 'shrink', 'revert' ].forEach(function(imgname) {
+            var img = new Image();
+            img.src = _renkan.options.static_url + 'img/' + imgname + '.png';
+            _this.icon_cache[imgname] = img;
+        });
+
+        var throttledMouseMove = _.throttle(function(_event, _isTouch) {
+            _this.onMouseMove(_event, _isTouch);
+        }, Utils._MOUSEMOVE_RATE);
+
+        this.canvas_$.on({
+            mousedown: function(_event) {
+                _event.preventDefault();
+                _this.onMouseDown(_event, false);
+            },
+            mousemove: function(_event) {
+                _event.preventDefault();
+                throttledMouseMove(_event, false);
+            },
+            mouseup: function(_event) {
+                _event.preventDefault();
+                _this.onMouseUp(_event, false);
+            },
+            mousewheel: function(_event, _delta) {
+                if(_renkan.options.zoom_on_scroll) {
+                    _event.preventDefault();
+                    if (_allowScroll) {
+                        _this.onScroll(_event, _delta);
+                    }
+                }
+            },
+            touchstart: function(_event) {
+                _event.preventDefault();
+                var _touches = _event.originalEvent.touches[0];
+                if (
+                        _renkan.options.allow_double_click &&
+                        new Date() - _lastTap < Utils._DOUBLETAP_DELAY &&
+                        ( Math.pow(_lastTapX - _touches.pageX, 2) + Math.pow(_lastTapY - _touches.pageY, 2) < Utils._DOUBLETAP_DISTANCE )
+                ) {
+                    _lastTap = 0;
+                    _this.onDoubleClick(_touches);
+                } else {
+                    _lastTap = new Date();
+                    _lastTapX = _touches.pageX;
+                    _lastTapY = _touches.pageY;
+                    _originalScale = _this.view.scale;
+                    _zooming = false;
+                    _this.onMouseDown(_touches, true);
+                }
+            },
+            touchmove: function(_event) {
+                _event.preventDefault();
+                _lastTap = 0;
+                if (_event.originalEvent.touches.length === 1) {
+                    _this.onMouseMove(_event.originalEvent.touches[0], true);
+                } else {
+                    if (!_zooming) {
+                        _this.onMouseUp(_event.originalEvent.touches[0], true);
+                        _this.click_target = null;
+                        _this.is_dragging = false;
+                        _zooming = true;
+                    }
+                    if (_event.originalEvent.scale === "undefined") {
+                        return;
+                    }
+                    var _newScale = _event.originalEvent.scale * _originalScale,
+                    _scaleRatio = _newScale / _this.view.scale,
+                    _newOffset = new paper.Point([
+                                                  _this.canvas_$.width(),
+                                                  _this.canvas_$.height()
+                                                  ]).multiply( 0.5 * ( 1 - _scaleRatio ) ).add(_this.view.offset.multiply( _scaleRatio ));
+                    _this.view.setScale(_newScale, _newOffset);
+                }
+            },
+            touchend: function(_event) {
+                _event.preventDefault();
+                _this.onMouseUp(_event.originalEvent.changedTouches[0], true);
+            },
+            dblclick: function(_event) {
+                _event.preventDefault();
+                if (_renkan.options.allow_double_click) {
+                    _this.onDoubleClick(_event);
+                }
+            },
+            mouseleave: function(_event) {
+                _event.preventDefault();
+                //_this.onMouseUp(_event, false);
+                _this.click_target = null;
+                _this.is_dragging = false;
+            },
+            dragover: function(_event) {
+                _event.preventDefault();
+            },
+            dragenter: function(_event) {
+                _event.preventDefault();
+                _allowScroll = false;
+            },
+            dragleave: function(_event) {
+                _event.preventDefault();
+                _allowScroll = true;
+            },
+            drop: function(_event) {
+                _event.preventDefault();
+                _allowScroll = true;
+                var res = {};
+                _.each(_event.originalEvent.dataTransfer.types, function(t) {
+                    try {
+                        res[t] = _event.originalEvent.dataTransfer.getData(t);
+                    } catch(e) {}
+                });
+                var text = _event.originalEvent.dataTransfer.getData("Text");
+                if (typeof text === "string") {
+                    switch(text[0]) {
+                    case "{":
+                    case "[":
+                        try {
+                            var data = JSON.parse(text);
+                            _.extend(res,data);
+                        }
+                        catch(e) {
+                            if (!res["text/plain"]) {
+                                res["text/plain"] = text;
+                            }
+                        }
+                        break;
+                    case "<":
+                        if (!res["text/html"]) {
+                            res["text/html"] = text;
+                        }
+                        break;
+                    default:
+                        if (!res["text/plain"]) {
+                            res["text/plain"] = text;
+                        }
+                    }
+                }
+                var url = _event.originalEvent.dataTransfer.getData("URL");
+                if (url && !res["text/uri-list"]) {
+                    res["text/uri-list"] = url;
+                }
+                _this.dropData(res, _event.originalEvent);
+            }
+        });
+
+        var bindClick = function(selector, fname) {
+            _this.$.find(selector).click(function(evt) {
+                _this[fname](evt);
+                return false;
+            });
+        };
+
+        if(this.renkan.project.get("views").length > 0 && this.renkan.options.save_view){
+            this.$.find(".Rk-ZoomSetSaved").show();
+        }
+        this.$.find(".Rk-CurrentUser").mouseenter(
+                function() { _this.$.find(".Rk-UserList").slideDown(); }
+        );
+        this.$.find(".Rk-Users").mouseleave(
+                function() { _this.$.find(".Rk-UserList").slideUp(); }
+        );
+        bindClick(".Rk-FullScreen-Button", "fullScreen");
+        bindClick(".Rk-AddNode-Button", "addNodeBtn");
+        bindClick(".Rk-AddEdge-Button", "addEdgeBtn");
+        bindClick(".Rk-Save-Button", "save");
+        bindClick(".Rk-Open-Button", "open");
+        bindClick(".Rk-Export-Button", "exportProject");
+        this.$.find(".Rk-Bookmarklet-Button")
+          /*jshint scripturl:true */
+          .attr("href","javascript:" + Utils._BOOKMARKLET_CODE(_renkan))
+          .click(function(){
+              _this.notif_$
+              .text(_renkan.translate("Drag this button to your bookmark bar. When on a third-party website, click it to enable drag-and-drop from the website to Renkan."))
+              .fadeIn()
+              .delay(5000)
+              .fadeOut();
+              return false;
+          });
+        this.$.find(".Rk-TopBar-Button").mouseover(function() {
+            $(this).find(".Rk-TopBar-Tooltip").show();
+        }).mouseout(function() {
+            $(this).find(".Rk-TopBar-Tooltip").hide();
+        });
+        bindClick(".Rk-Fold-Bins", "foldBins");
+
+        paper.view.onResize = function(_event) {
+            var _ratio,
+                newWidth = _event.width,
+                newHeight = _event.height;
+
+            if (_this.minimap) {
+                _this.minimap.topleft = paper.view.bounds.bottomRight.subtract(_this.minimap.size);
+                _this.minimap.rectangle.fitBounds(_this.minimap.topleft.subtract([2,2]), _this.minimap.size.add([4,4]));
+                _this.minimap.cliprectangle.fitBounds(_this.minimap.topleft, _this.minimap.size);
+            }
+
+            var ratioH = newHeight/(newHeight-_event.delta.height),
+                ratioW = newWidth/(newWidth-_event.delta.width);
+            if (newHeight < newWidth) {
+                    _ratio = ratioH;
+            } else {
+                _ratio = ratioW;
+            }
+
+            _this.view.resizeZoom(ratioW, ratioH, _ratio);
+
+            _this.redraw();
+
+        };
+
+        var _thRedraw = _.throttle(function() {
+            _this.redraw();
+        },50);
+           
+        this.addRepresentations("Node", this.renkan.project.get("nodes"));
+        this.addRepresentations("Edge", this.renkan.project.get("edges"));
+        this.renkan.project.on("change:title", function() {
+            _this.$.find(".Rk-PadTitle").val(_renkan.project.get("title"));
+        });
+
+        this.$.find(".Rk-PadTitle").on("keyup input paste", function() {
+            _renkan.project.set({"title": $(this).val()});
+        });
+
+        var _thRedrawUsers = _.throttle(function() {
+            _this.redrawUsers();
+        }, 100);
+
+        _thRedrawUsers();
+
+        // register model events
+        this.renkan.project.on("change:saveStatus", function(){
+            switch (_this.renkan.project.get("saveStatus")) {
+                case 0: //clean
+                    _this.$.find(".Rk-Save-Button").removeClass("to-save");
+                    _this.$.find(".Rk-Save-Button").removeClass("saving");
+                    _this.$.find(".Rk-Save-Button").addClass("saved");
+                    break;
+                case 1: //dirty
+                    _this.$.find(".Rk-Save-Button").removeClass("saved");
+                    _this.$.find(".Rk-Save-Button").removeClass("saving");
+                    _this.$.find(".Rk-Save-Button").addClass("to-save");
+                    break;
+                case 2: //saving
+                    _this.$.find(".Rk-Save-Button").removeClass("saved");
+                    _this.$.find(".Rk-Save-Button").removeClass("to-save");
+                    _this.$.find(".Rk-Save-Button").addClass("saving");
+                    break;
+            }
+        });
+
+        this.renkan.project.on("change:loadingStatus", function(){
+            if (_this.renkan.project.get("loadingStatus")){
+                var animate = _this.$.find(".loader").addClass("run");
+                var timer = setTimeout(function(){
+                    _this.$.find(".loader").hide(250);
+                }, 3000);
+            }
+            else{
+                Backbone.history.start();
+                _thRedraw();
+            }
+        });
+
+        this.renkan.project.on("add:users remove:users", _thRedrawUsers);
+
+        this.renkan.project.on("add:views remove:views", function(_node) {
+            if(_this.renkan.project.get('views').length > 0) {
+                _this.$.find(".Rk-ZoomSetSaved").show();
+            }
+            else {
+                _this.$.find(".Rk-ZoomSetSaved").hide();
+            }
+        });
+
+        this.renkan.project.on("add:nodes", function(_node) {
+            _this.addRepresentation("Node", _node);
+            if (!_this.renkan.project.get("loadingStatus")){
+                _thRedraw();
+            }
+        });
+        this.renkan.project.on("add:edges", function(_edge) {
+            _this.addRepresentation("Edge", _edge);
+            if (!_this.renkan.project.get("loadingStatus")){
+                _thRedraw();
+            }
+        });
+        this.renkan.project.on("change:title", function(_model, _title) {
+            var el = _this.$.find(".Rk-PadTitle");
+            if (el.is("input")) {
+                if (el.val() !== _title) {
+                    el.val(_title);
+                }
+            } else {
+                el.text(_title);
+            }
+        });
+        
+        //register router events
+        this.renkan.router.on("router", function(_params){
+            _this.parameters(_params);
+        });
+
+        if (_renkan.options.size_bug_fix) {
+            var _delay = (
+                    typeof _renkan.options.size_bug_fix === "number" ?
+                        _renkan.options.size_bug_fix
+                                : 500
+            );
+            window.setTimeout(
+                    function() {
+                        _this.fixSize();
+                    },
+                    _delay
+            );
+        }
+
+        if (_renkan.options.force_resize) {
+            $(window).resize(function() {
+                _this.autoScale();
+            });
+        }
+
+        if (_renkan.options.show_user_list && _renkan.options.user_color_editable) {
+            var $cpwrapper = this.$.find(".Rk-Users .Rk-Edit-ColorPicker-Wrapper"),
+            $cplist = this.$.find(".Rk-Users .Rk-Edit-ColorPicker");
+
+            $cpwrapper.hover(
+                    function(_e) {
+                        if (_this.isEditable()) {
+                            _e.preventDefault();
+                            $cplist.show();
+                        }
+                    },
+                    function(_e) {
+                        _e.preventDefault();
+                        $cplist.hide();
+                    }
+            );
+
+            $cplist.find("li").mouseenter(
+                    function(_e) {
+                        if (_this.isEditable()) {
+                            _e.preventDefault();
+                            _this.$.find(".Rk-CurrentUser-Color").css("background", $(this).attr("data-color"));
+                        }
+                    }
+            );
+        }
+
+        if (_renkan.options.show_search_field) {
+
+            var lastval = '';
+
+            this.$.find(".Rk-GraphSearch-Field").on("keyup change paste input", function() {
+                var $this = $(this),
+                val = $this.val();
+                if (val === lastval) {
+                    return;
+                }
+                lastval = val;
+                if (val.length < 2) {
+                    _renkan.project.get("nodes").each(function(n) {
+                        _this.getRepresentationByModel(n).unhighlight();
+                    });
+                } else {
+                    var rxs = Utils.regexpFromTextOrArray(val);
+                    _renkan.project.get("nodes").each(function(n) {
+                        if (rxs.test(n.get("title")) || rxs.test(n.get("description"))) {
+                            _this.getRepresentationByModel(n).highlight(rxs);
+                        } else {
+                            _this.getRepresentationByModel(n).unhighlight();
+                        }
+                    });
+                }
+            });
+        }
+
+        this.redraw();
+
+        window.setInterval(function() {
+            var _now = new Date().valueOf();
+            _this.delete_list.forEach(function(d) {
+                if (_now >= d.time) {
+                    var el = _renkan.project.get("nodes").findWhere({"delete_scheduled":d.id});
+                    if (el) {
+                        project.removeNode(el);
+                    }
+                    el = _renkan.project.get("edges").findWhere({"delete_scheduled":d.id});
+                    if (el) {
+                        project.removeEdge(el);
+                    }
+                }
+            });
+            _this.delete_list = _this.delete_list.filter(function(d) {
+                return _renkan.project.get("nodes").findWhere({"delete_scheduled":d.id}) || _renkan.project.get("edges").findWhere({"delete_scheduled":d.id});
+            });
+        }, 500);
+
+        if (this.minimap) {
+            window.setInterval(function() {
+                _this.rescaleMinimap();
+            }, 2000);
+        }
+
+    };
+
+    _(Scene.prototype).extend({
+        fixSize: function() {
+            if(typeof this.view === 'undefined') {
+                this.view = this.addRepresentation("View", this.renkan.project.get("views").last());
+                this.view.setScale(view.get("zoom_level"), new paper.Point(view.get("offset")));
+            }
+            else{
+                this.view.autoScale();
+            }
+        },
+        drawSector: function(_repr, _inR, _outR, _startAngle, _endAngle, _padding, _imgname, _caption) {
+            var _options = this.renkan.options,
+                _startRads = _startAngle * Math.PI / 180,
+                _endRads = _endAngle * Math.PI / 180,
+                _img = this.icon_cache[_imgname],
+                _startdx = - Math.sin(_startRads),
+                _startdy = Math.cos(_startRads),
+                _startXIn = Math.cos(_startRads) * _inR + _padding * _startdx,
+                _startYIn = Math.sin(_startRads) * _inR + _padding * _startdy,
+                _startXOut = Math.cos(_startRads) * _outR + _padding * _startdx,
+                _startYOut = Math.sin(_startRads) * _outR + _padding * _startdy,
+                _enddx = - Math.sin(_endRads),
+                _enddy = Math.cos(_endRads),
+                _endXIn = Math.cos(_endRads) * _inR - _padding * _enddx,
+                _endYIn = Math.sin(_endRads) * _inR - _padding * _enddy,
+                _endXOut = Math.cos(_endRads) * _outR - _padding * _enddx,
+                _endYOut = Math.sin(_endRads) * _outR - _padding * _enddy,
+                _centerR = (_inR + _outR) / 2,
+                _centerRads = (_startRads + _endRads) / 2,
+                _centerX = Math.cos(_centerRads) * _centerR,
+                _centerY = Math.sin(_centerRads) * _centerR,
+                _centerXIn = Math.cos(_centerRads) * _inR,
+                _centerXOut = Math.cos(_centerRads) * _outR,
+                _centerYIn = Math.sin(_centerRads) * _inR,
+                _centerYOut = Math.sin(_centerRads) * _outR,
+                _textX = Math.cos(_centerRads) * (_outR + 3),
+                _textY = Math.sin(_centerRads) * (_outR + _options.buttons_label_font_size) + _options.buttons_label_font_size / 2;
+            this.buttons_layer.activate();
+            var _path = new paper.Path();
+            _path.add([_startXIn, _startYIn]);
+            _path.arcTo([_centerXIn, _centerYIn], [_endXIn, _endYIn]);
+            _path.lineTo([_endXOut,  _endYOut]);
+            _path.arcTo([_centerXOut, _centerYOut], [_startXOut, _startYOut]);
+            _path.fillColor = _options.buttons_background;
+            _path.opacity = 0.5;
+            _path.closed = true;
+            _path.__representation = _repr;
+            var _text = new paper.PointText(_textX,_textY);
+            _text.characterStyle = {
+                    fontSize: _options.buttons_label_font_size,
+                    fillColor: _options.buttons_label_color
+            };
+            if (_textX > 2) {
+                _text.paragraphStyle.justification = 'left';
+            } else if (_textX < -2) {
+                _text.paragraphStyle.justification = 'right';
+            } else {
+                _text.paragraphStyle.justification = 'center';
+            }
+            _text.visible = false;
+            var _visible = false,
+                _restPos = new paper.Point(-200, -200),
+                _grp = new paper.Group([_path, _text]),
+                //_grp = new paper.Group([_path]),
+                _delta = _grp.position,
+                _imgdelta = new paper.Point([_centerX, _centerY]),
+                _currentPos = new paper.Point(0,0);
+            _text.content = _caption;
+            // set group pivot to not depend on text visibility that changes the group bounding box.
+            _grp.pivot = _grp.bounds.center;
+            _grp.visible = false;
+            _grp.position = _restPos;
+            var _res = {
+                    show: function() {
+                        _visible = true;
+                        _grp.position = _currentPos.add(_delta);
+                        _grp.visible = true;
+                    },
+                    moveTo: function(_point) {
+                        _currentPos = _point;
+                        if (_visible) {
+                            _grp.position = _point.add(_delta);
+                        }
+                    },
+                    hide: function() {
+                        _visible = false;
+                        _grp.visible = false;
+                        _grp.position = _restPos;
+                    },
+                    select: function() {
+                        _path.opacity = 0.8;
+                        _text.visible = true;
+                    },
+                    unselect: function() {
+                        _path.opacity = 0.5;
+                        _text.visible = false;
+                    },
+                    destroy: function() {
+                        _grp.remove();
+                    }
+            };
+            var showImage = function() {
+                var _raster = new paper.Raster(_img);
+                _raster.position = _imgdelta.add(_grp.position).subtract(_delta);
+                _raster.locked = true; // Disable mouse events on icon
+                _grp.addChild(_raster);
+            };
+            if (_img.width) {
+                showImage();
+            } else {
+                $(_img).on("load",showImage);
+            }
+
+            return _res;
+        },
+        addToBundles: function(_edgeRepr) {
+            var _bundle = _(this.bundles).find(function(_bundle) {
+                return (
+                        ( _bundle.from === _edgeRepr.from_representation && _bundle.to === _edgeRepr.to_representation ) ||
+                        ( _bundle.from === _edgeRepr.to_representation && _bundle.to === _edgeRepr.from_representation )
+                );
+            });
+            if (typeof _bundle !== "undefined") {
+                _bundle.edges.push(_edgeRepr);
+            } else {
+                _bundle = {
+                        from: _edgeRepr.from_representation,
+                        to: _edgeRepr.to_representation,
+                        edges: [ _edgeRepr ],
+                        getPosition: function(_er) {
+                            var _dir = (_er.from_representation === this.from) ? 1 : -1;
+                            return _dir * ( _(this.edges).indexOf(_er) - (this.edges.length - 1) / 2 );
+                        }
+                };
+                this.bundles.push(_bundle);
+            }
+            return _bundle;
+        },
+        isEditable: function() {
+            return (this.renkan.options.editor_mode && !this.renkan.read_only);
+        },
+        onStatusChange: function() {
+            var savebtn = this.$.find(".Rk-Save-Button"),
+            tip = savebtn.find(".Rk-TopBar-Tooltip-Contents");
+            if (this.renkan.read_only) {
+                savebtn.removeClass("disabled Rk-Save-Online").addClass("Rk-Save-ReadOnly");
+                tip.text(this.renkan.translate("Connection lost"));
+            } else {
+                if (this.renkan.options.manual_save) {
+                    savebtn.removeClass("Rk-Save-ReadOnly Rk-Save-Online");
+                    tip.text(this.renkan.translate("Save Project"));
+                } else {
+                    savebtn.removeClass("disabled Rk-Save-ReadOnly").addClass("Rk-Save-Online");
+                    tip.text(this.renkan.translate("Auto-save enabled"));
+                }
+            }
+            this.redrawUsers();
+        },
+        redrawMiniframe: function() {
+            var topleft = this.toMinimapCoords(this.toModelCoords(new paper.Point([0,0]))),
+                bottomright = this.toMinimapCoords(this.toModelCoords(paper.view.bounds.bottomRight));
+            this.minimap.miniframe.fitBounds(topleft, bottomright);
+        },
+        rescaleMinimap: function() {
+            var nodes = this.renkan.project.get("nodes");
+            if (nodes.length > 1) {
+                var _xx = nodes.map(function(_node) { return _node.get("position").x; }),
+                    _yy = nodes.map(function(_node) { return _node.get("position").y; }),
+                    _minx = Math.min.apply(Math, _xx),
+                    _miny = Math.min.apply(Math, _yy),
+                    _maxx = Math.max.apply(Math, _xx),
+                    _maxy = Math.max.apply(Math, _yy);
+                var _scale = Math.min(
+                        this.view.scale * 0.8 * this.renkan.options.minimap_width / paper.view.bounds.width,
+                        this.view.scale * 0.8 * this.renkan.options.minimap_height / paper.view.bounds.height,
+                        ( this.renkan.options.minimap_width - 2 * this.renkan.options.minimap_padding ) / (_maxx - _minx),
+                        ( this.renkan.options.minimap_height - 2 * this.renkan.options.minimap_padding ) / (_maxy - _miny)
+                );
+                this.minimap.offset = this.minimap.size.divide(2).subtract(new paper.Point([(_maxx + _minx) / 2, (_maxy + _miny) / 2]).multiply(_scale));
+                this.minimap.scale = _scale;
+            }
+            if (nodes.length === 1) {
+                this.minimap.scale = 0.1;
+                this.minimap.offset = this.minimap.size.divide(2).subtract(new paper.Point([nodes.at(0).get("position").x, nodes.at(0).get("position").y]).multiply(this.minimap.scale));
+            }
+            this.redraw();
+        },
+        toPaperCoords: function(_point) {
+            return _point.multiply(this.view.scale).add(this.view.offset);
+        },
+        toMinimapCoords: function(_point) {
+            return _point.multiply(this.minimap.scale).add(this.minimap.offset).add(this.minimap.topleft);
+        },
+        toModelCoords: function(_point) {
+            return _point.subtract(this.view.offset).divide(this.view.scale);
+        },
+        addRepresentation: function(_type, _model) {
+            var RendererType = requtils.getRenderer()[_type];
+            var _repr = new RendererType(this, _model);
+            this.representations.push(_repr);
+            return _repr;                
+        },
+        addRepresentations: function(_type, _collection) {
+            var _this = this;
+            _collection.forEach(function(_model) {
+                _this.addRepresentation(_type, _model);
+            });
+        },
+        userTemplate: _.template(
+                '<li class="Rk-User"><span class="Rk-UserColor" style="background:<%=background%>;"></span><%=name%></li>'
+        ),
+        redrawUsers: function() {
+            if (!this.renkan.options.show_user_list) {
+                return;
+            }
+            var allUsers = [].concat((this.renkan.project.current_user_list || {}).models || [], (this.renkan.project.get("users") || {}).models || []),
+            ulistHtml = '',
+            $userpanel = this.$.find(".Rk-Users"),
+            $name = $userpanel.find(".Rk-CurrentUser-Name"),
+            $cpitems = $userpanel.find(".Rk-Edit-ColorPicker li"),
+            $colorsquare = $userpanel.find(".Rk-CurrentUser-Color"),
+            _this = this;
+            $name.off("click").text(this.renkan.translate("<unknown user>"));
+            $cpitems.off("mouseleave click");
+            allUsers.forEach(function(_user) {
+                if (_user.get("_id") === _this.renkan.current_user) {
+                    $name.text(_user.get("title"));
+                    $colorsquare.css("background", _user.get("color"));
+                    if (_this.isEditable()) {
+
+                        if (_this.renkan.options.user_name_editable) {
+                            $name.click(function() {
+                                var $this = $(this),
+                                $input = $('<input>').val(_user.get("title")).blur(function() {
+                                    _user.set("title", $(this).val());
+                                    _this.redrawUsers();
+                                    _this.redraw();
+                                });
+                                $this.empty().html($input);
+                                $input.select();
+                            });
+                        }
+
+                        if (_this.renkan.options.user_color_editable) {
+                            $cpitems.click(
+                                    function(_e) {
+                                        _e.preventDefault();
+                                        if (_this.isEditable()) {
+                                            _user.set("color", $(this).attr("data-color"));
+                                        }
+                                        $(this).parent().hide();
+                                    }
+                            ).mouseleave(function() {
+                                $colorsquare.css("background", _user.get("color"));
+                            });
+                        }
+                    }
+
+                } else {
+                    ulistHtml += _this.userTemplate({
+                        name: _user.get("title"),
+                        background: _user.get("color")
+                    });
+                }
+            });
+            $userpanel.find(".Rk-UserList").html(ulistHtml);
+        },
+        removeRepresentation: function(_representation) {
+            _representation.destroy();
+            this.representations = _.reject(this.representations,
+                function(_repr) {
+                    return _repr === _representation;
+                }
+            );
+        },
+        getRepresentationByModel: function(_model) {
+            if (!_model) {
+                return undefined;
+            }
+            return _.find(this.representations, function(_repr) {
+                return _repr.model === _model;
+            });
+        },
+        removeRepresentationsOfType: function(_type) {
+            var _representations = _.filter(this.representations,function(_repr) {
+                return _repr.type === _type;
+                }),
+                _this = this;
+            _.each(_representations, function(_repr) {
+                _this.removeRepresentation(_repr);
+            });
+        },
+        highlightModel: function(_model) {
+            var _repr = this.getRepresentationByModel(_model);
+            if (_repr) {
+                _repr.highlight();
+            }
+        },
+        unhighlightAll: function(_model) {
+            _.each(this.representations, function(_repr) {
+                _repr.unhighlight();
+            });
+        },
+        unselectAll: function(_model) {
+            _.each(this.representations, function(_repr) {
+                _repr.unselect();
+            });
+        },
+        redraw: function() {
+            var _this = this;
+            if(! this.redrawActive ) {
+                return;
+            }
+            _.each(this.representations, function(_representation) {
+                _representation.redraw({ dontRedrawEdges:true });
+            });
+            if (this.minimap && typeof this.view !== 'undefined') {
+                this.redrawMiniframe();
+            }
+            paper.view.draw();
+        },
+        addTempEdge: function(_from, _point) {
+            var _tmpEdge = this.addRepresentation("TempEdge",null);
+            _tmpEdge.end_pos = _point;
+            _tmpEdge.from_representation = _from;
+            _tmpEdge.redraw();
+            this.click_target = _tmpEdge;
+        },
+        findTarget: function(_hitResult) {
+            if (_hitResult && typeof _hitResult.item.__representation !== "undefined") {
+                var _newTarget = _hitResult.item.__representation;
+                if (this.selected_target !== _hitResult.item.__representation) {
+                    if (this.selected_target) {
+                        this.selected_target.unselect(_newTarget);
+                    }
+                    _newTarget.select(this.selected_target);
+                    this.selected_target = _newTarget;
+                }
+            } else {
+                if (this.selected_target) {
+                    this.selected_target.unselect();
+                }
+                this.selected_target = null;
+            }
+        },
+        onMouseMove: function(_event) {
+            var _off = this.canvas_$.offset(),
+            _point = new paper.Point([
+                                      _event.pageX - _off.left,
+                                      _event.pageY - _off.top
+                                      ]),
+                                      _delta = _point.subtract(this.last_point);
+            this.last_point = _point;
+            if (!this.is_dragging && this.mouse_down && _delta.length > Utils._MIN_DRAG_DISTANCE) {
+                this.is_dragging = true;
+            }
+            var _hitResult = paper.project.hitTest(_point);
+            if (this.is_dragging) {
+                if (this.click_target && typeof this.click_target.paperShift === "function") {
+                    this.click_target.paperShift(_delta);
+                } else {
+                    this.view.paperShift(_delta);
+                }
+            } else {
+                this.findTarget(_hitResult);
+            }
+            paper.view.draw();
+        },
+        onMouseDown: function(_event, _isTouch) {
+            var _off = this.canvas_$.offset(),
+            _point = new paper.Point([
+                                      _event.pageX - _off.left,
+                                      _event.pageY - _off.top
+                                      ]);
+            this.last_point = _point;
+            this.mouse_down = true;
+            if (!this.click_target || this.click_target.type !== "Temp-edge") {
+                this.removeRepresentationsOfType("editor");
+                this.is_dragging = false;
+                var _hitResult = paper.project.hitTest(_point);
+                if (_hitResult && typeof _hitResult.item.__representation !== "undefined") {
+                    this.click_target = _hitResult.item.__representation;
+                    this.click_target.mousedown(_event, _isTouch);
+                } else {
+                    this.click_target = null;
+                    if (this.isEditable() && this.click_mode === Utils._CLICKMODE_ADDNODE) {
+                        var _coords = this.toModelCoords(_point),
+                        _data = {
+                            id: Utils.getUID('node'),
+                            created_by: this.renkan.current_user,
+                            position: {
+                                x: _coords.x,
+                                y: _coords.y
+                            }
+                        };
+                        var _node = this.renkan.project.addNode(_data);
+                        this.getRepresentationByModel(_node).openEditor();
+                    }
+                }
+            }
+            if (this.click_mode) {
+                if (this.isEditable() && this.click_mode === Utils._CLICKMODE_STARTEDGE && this.click_target && this.click_target.type === "Node") {
+                    this.removeRepresentationsOfType("editor");
+                    this.addTempEdge(this.click_target, _point);
+                    this.click_mode = Utils._CLICKMODE_ENDEDGE;
+                    this.notif_$.fadeOut(function() {
+                        $(this).html(this.renkan.translate("Click on a second node to complete the edge")).fadeIn();
+                    });
+                } else {
+                    this.notif_$.hide();
+                    this.click_mode = false;
+                }
+            }
+            paper.view.draw();
+        },
+        onMouseUp: function(_event, _isTouch) {
+            this.mouse_down = false;
+            if (this.click_target) {
+                var _off = this.canvas_$.offset();
+                this.click_target.mouseup(
+                        {
+                            point: new paper.Point([
+                                                    _event.pageX - _off.left,
+                                                    _event.pageY - _off.top
+                                                    ])
+                        },
+                        _isTouch
+                );
+            } else {
+                this.click_target = null;
+                this.is_dragging = false;
+                if (_isTouch) {
+                    this.unselectAll();
+                }
+                this.view.updateUrl();
+            }
+            paper.view.draw();
+        },
+        onScroll: function(_event, _scrolldelta) {
+            this.totalScroll += _scrolldelta;
+            if (Math.abs(this.totalScroll) >= 1) {
+                var _off = this.canvas_$.offset(),
+                _delta = new paper.Point([
+                                          _event.pageX - _off.left,
+                                          _event.pageY - _off.top
+                                          ]).subtract(this.view.offset).multiply( Math.SQRT2 - 1 );
+                if (this.totalScroll > 0) {
+                    this.view.setScale( this.view.scale * Math.SQRT2, this.view.offset.subtract(_delta) );
+                } else {
+                    this.view.setScale( this.view.scale * Math.SQRT1_2, this.view.offset.add(_delta.divide(Math.SQRT2)));
+                }
+                this.totalScroll = 0;
+            }
+        },
+        onDoubleClick: function(_event) {
+            var _off = this.canvas_$.offset(),
+            _point = new paper.Point([
+                                      _event.pageX - _off.left,
+                                      _event.pageY - _off.top
+                                      ]);
+            var _hitResult = paper.project.hitTest(_point);
+
+            if (!this.isEditable()) {
+                if (_hitResult && typeof _hitResult.item.__representation !== "undefined") {
+                    if (_hitResult.item.__representation.model.get('uri')){
+                        window.open(_hitResult.item.__representation.model.get('uri'), '_blank');
+                    }
+                }
+                return;
+            }
+            if (this.isEditable() && (!_hitResult || typeof _hitResult.item.__representation === "undefined")) {
+                var _coords = this.toModelCoords(_point),
+                _data = {
+                    id: Utils.getUID('node'),
+                    created_by: this.renkan.current_user,
+                    position: {
+                        x: _coords.x,
+                        y: _coords.y
+                    }
+                },
+                _node = this.renkan.project.addNode(_data);
+                this.getRepresentationByModel(_node).openEditor();
+            }
+            paper.view.draw();
+        },
+        defaultDropHandler: function(_data) {
+            var newNode = {};
+            var snippet = "";
+            switch(_data["text/x-iri-specific-site"]) {
+                case "twitter":
+                    snippet = $('<div>').html(_data["text/x-iri-selected-html"]);
+                    var tweetdiv = snippet.find(".tweet");
+                    newNode.title = this.renkan.translate("Tweet by ") + tweetdiv.attr("data-name");
+                    newNode.uri = "http://twitter.com/" + tweetdiv.attr("data-screen-name") + "/status/" + tweetdiv.attr("data-tweet-id");
+                    newNode.image = tweetdiv.find(".avatar").attr("src");
+                    newNode.description = tweetdiv.find(".js-tweet-text:first").text();
+                    break;
+                case "google":
+                    snippet = $('<div>').html(_data["text/x-iri-selected-html"]);
+                    newNode.title = snippet.find("h3:first").text().trim();
+                    newNode.uri = snippet.find("h3 a").attr("href");
+                    newNode.description = snippet.find(".st:first").text().trim();
+                    break;
+                default:
+                    if (_data["text/x-iri-source-uri"]) {
+                        newNode.uri = _data["text/x-iri-source-uri"];
+                    }
+            }
+            if (_data["text/plain"] || _data["text/x-iri-selected-text"]) {
+                newNode.description = (_data["text/plain"] || _data["text/x-iri-selected-text"]).replace(/[\s\n]+/gm,' ').trim();
+            }
+            if (_data["text/html"] || _data["text/x-iri-selected-html"]) {
+                snippet = $('<div>').html(_data["text/html"] || _data["text/x-iri-selected-html"]);
+                var _svgimgs = snippet.find("image");
+                if (_svgimgs.length) {
+                    newNode.image = _svgimgs.attr("xlink:href");
+                }
+                var _svgpaths = snippet.find("path");
+                if (_svgpaths.length) {
+                    newNode.clipPath = _svgpaths.attr("d");
+                }
+                var _imgs = snippet.find("img");
+                if (_imgs.length) {
+                    newNode.image = _imgs[0].src;
+                }
+                var _as = snippet.find("a");
+                if (_as.length) {
+                    newNode.uri = _as[0].href;
+                }
+                newNode.title = snippet.find("[title]").attr("title") || newNode.title;
+                newNode.description = snippet.text().replace(/[\s\n]+/gm,' ').trim();
+            }
+            if (_data["text/uri-list"]) {
+                newNode.uri = _data["text/uri-list"];
+            }
+            if (_data["text/x-moz-url"] && !newNode.title) {
+                newNode.title = (_data["text/x-moz-url"].split("\n")[1] || "").trim();
+                if (newNode.title === newNode.uri) {
+                    newNode.title = false;
+                }
+            }
+            if (_data["text/x-iri-source-title"] && !newNode.title) {
+                newNode.title = _data["text/x-iri-source-title"];
+            }
+            if (_data["text/html"] || _data["text/x-iri-selected-html"]) {
+                snippet = $('<div>').html(_data["text/html"] || _data["text/x-iri-selected-html"]);
+                newNode.image = snippet.find("[data-image]").attr("data-image") || newNode.image;
+                newNode.uri = snippet.find("[data-uri]").attr("data-uri") || newNode.uri;
+                newNode.title = snippet.find("[data-title]").attr("data-title") || newNode.title;
+                newNode.description = snippet.find("[data-description]").attr("data-description") || newNode.description;
+                newNode.clipPath = snippet.find("[data-clip-path]").attr("data-clip-path") || newNode.clipPath;
+            }
+
+            if (!newNode.title) {
+                newNode.title = this.renkan.translate("Dragged resource");
+            }
+            var fields = ["title", "description", "uri", "image"];
+            for (var i = 0; i < fields.length; i++) {
+                var f = fields[i];
+                if (_data["text/x-iri-" + f] || _data[f]) {
+                    newNode[f] = _data["text/x-iri-" + f] || _data[f];
+                }
+                if (newNode[f] === "none" || newNode[f] === "null") {
+                    newNode[f] = undefined;
+                }
+            }
+
+            if(typeof this.renkan.options.drop_enhancer === "function"){
+                newNode = this.renkan.options.drop_enhancer(newNode, _data);
+            }
+
+            return newNode;
+
+        },
+        dropData: function(_data, _event) {
+            if (!this.isEditable()) {
+                return;
+            }
+            if (_data["text/json"] || _data["application/json"]) {
+                try {
+                    var jsondata = JSON.parse(_data["text/json"] || _data["application/json"]);
+                    _.extend(_data,jsondata);
+                }
+                catch(e) {}
+            }
+
+            var newNode = (typeof this.renkan.options.drop_handler === "undefined")?this.defaultDropHandler(_data):this.renkan.options.drop_handler(_data);
+
+            var _off = this.canvas_$.offset(),
+            _point = new paper.Point([
+                                      _event.pageX - _off.left,
+                                      _event.pageY - _off.top
+                                      ]),
+                                      _coords = this.toModelCoords(_point),
+                                      _nodedata = {
+                id: Utils.getUID('node'),
+                created_by: this.renkan.current_user,
+                uri: newNode.uri || "",
+                title: newNode.title || "",
+                description: newNode.description || "",
+                image: newNode.image || "",
+                color: newNode.color || undefined,
+                clip_path: newNode.clipPath || undefined,
+                position: {
+                    x: _coords.x,
+                    y: _coords.y
+                }
+            };
+            var _node = this.renkan.project.addNode(_nodedata),
+            _repr = this.getRepresentationByModel(_node);
+            if (_event.type === "drop") {
+                _repr.openEditor();
+            }
+        },
+        fullScreen: function() {
+            var _isFull = document.fullScreen || document.mozFullScreen || document.webkitIsFullScreen,
+                _el = this.renkan.$[0],
+                _requestMethods = ["requestFullScreen","mozRequestFullScreen","webkitRequestFullScreen"],
+                _cancelMethods = ["cancelFullScreen","mozCancelFullScreen","webkitCancelFullScreen"],
+                i;
+            if (_isFull) {
+                for (i = 0; i < _cancelMethods.length; i++) {
+                    if (typeof document[_cancelMethods[i]] === "function") {
+                        document[_cancelMethods[i]]();
+                        break;
+                    }
+                }
+                var widthAft = this.$.width();
+                var heightAft = this.$.height();
+
+                if (this.renkan.options.show_top_bar) {
+                    heightAft -= this.$.find(".Rk-TopBar").height();
+                }
+                if (this.renkan.options.show_bins && (this.renkan.$.find(".Rk-Bins").position().left > 0)) {
+                    widthAft -= this.renkan.$.find(".Rk-Bins").width();
+                }
+
+                paper.view.viewSize = new paper.Size([widthAft, heightAft]);
+
+            } else {
+                for (i = 0; i < _requestMethods.length; i++) {
+                    if (typeof _el[_requestMethods[i]] === "function") {
+                        _el[_requestMethods[i]]();
+                        break;
+                    }
+                }
+                this.redraw();
+            }
+        },
+        addNodeBtn: function() {
+            if (this.click_mode === Utils._CLICKMODE_ADDNODE) {
+                this.click_mode = false;
+                this.notif_$.hide();
+            } else {
+                this.click_mode = Utils._CLICKMODE_ADDNODE;
+                this.notif_$.text(this.renkan.translate("Click on the background canvas to add a node")).fadeIn();
+            }
+            return false;
+        },
+        addEdgeBtn: function() {
+            if (this.click_mode === Utils._CLICKMODE_STARTEDGE || this.click_mode === Utils._CLICKMODE_ENDEDGE) {
+                this.click_mode = false;
+                this.notif_$.hide();
+            } else {
+                this.click_mode = Utils._CLICKMODE_STARTEDGE;
+                this.notif_$.text(this.renkan.translate("Click on a first node to start the edge")).fadeIn();
+            }
+            return false;
+        },
+        exportProject: function() {
+          var projectJSON = this.renkan.project.toJSON(),
+              downloadLink = document.createElement("a"),
+              projectId = projectJSON.id,
+              fileNameToSaveAs = projectId + ".json";
+
+          // clean ids
+          delete projectJSON.id;
+          delete projectJSON._id;
+          delete projectJSON.space_id;
+
+          var objId,
+              idsMap = {},
+              hiddenNodes;
+
+          _.each(projectJSON.nodes, function(e,i,l) {
+            objId = e.id || e._id;
+            delete e._id;
+            delete e.id;
+            idsMap[objId] = e['@id'] = Utils.getUUID4();
+          });
+          _.each(projectJSON.edges, function(e,i,l) {
+            delete e._id;
+            delete e.id;
+            e.to = idsMap[e.to];
+            e.from = idsMap[e.from];
+          });
+          _.each(projectJSON.views, function(e,i,l) {
+            delete e._id;
+            delete e.id;
+
+            if(e.hidden_nodes) {
+                hiddenNodes = e.hidden_nodes;
+                e.hidden_nodes = [];
+                _.each(hiddenNodes, function(h,j) {
+                    e.hidden_nodes.push(idsMap[h]);
+                });
+            }
+          });
+          projectJSON.users = [];
+
+          var projectJSONStr = JSON.stringify(projectJSON, null, 2);
+          var blob = new Blob([projectJSONStr], {type: "application/json;charset=utf-8"});
+          filesaver(blob,fileNameToSaveAs);
+
+        },
+        parameters: function(_params){
+            this.removeRepresentationsOfType("View");
+            if ($.isEmptyObject(_params)){
+                this.view = this.addRepresentation("View", this.renkan.project.get("views").at(this.validViewIndex(this.renkan.options.default_index_view)));
+                if (!this.renkan.options.default_view){
+                    this.view.autoScale();
+                }
+                return;
+            }
+            if (typeof _params.viewIndex !== 'undefined'){
+                this.view = this.addRepresentation("View", this.renkan.project.get("views").at(this.validViewIndex(_params.viewIndex)));
+                if (!this.renkan.options.default_view){
+                    this.view.autoScale();
+                }
+            }
+            if (typeof _params.view !== 'undefined' && _params.view.split(",").length >= 3){
+                var viewParams = _params.view.split(",");
+                var params = {
+                        "project": this.renkan.project,
+                        "offset": {
+                            "x": parseFloat(viewParams[0]),
+                            "y": parseFloat(viewParams[1])
+                        },
+                        "zoom_level": parseFloat(viewParams[2])
+                };
+                if (this.view){
+                    this.view.setScale(params.zoom_level, new paper.Point(params.offset));
+                } else{
+                    this.view = this.addRepresentation("View", null);
+                    this.view.params = params;
+                    this.view.init();                    
+                }
+            }
+            if (!this.view){
+                this.view = this.addRepresentation("View", this.renkan.project.get("views").at(this.validViewIndex(this.renkan.options.default_index_view)));
+                this.view.autoScale();
+            }
+            //other parameters must go after because most of them depends on a view that must be initialize before
+            this.unhighlightAll();
+            if (typeof _params.idNode !== 'undefined'){
+                this.highlightModel(this.renkan.project.get("nodes").get(_params.idNode));                 
+            }
+        },
+        validViewIndex: function(index){
+            //check if the view index exist (negative index is from the end) and return the correct index or false if doesn't exist
+            var _index = parseInt(index);
+            var validIndex = 0;
+            if (_index < 0){
+                validIndex = this.renkan.project.get("views").length + _index;
+            } else {
+                validIndex = _index; 
+            }
+            if (typeof this.renkan.project.get("views").at(_index) === 'undefined'){
+                validIndex = 0;
+            }
+            return validIndex;
+        },
+        foldBins: function() {
+            var foldBinsButton = this.$.find(".Rk-Fold-Bins"),
+                bins = this.renkan.$.find(".Rk-Bins");
+            var _this = this,
+                sizeBef = _this.canvas_$.width(),
+                sizeAft;
+            if (bins.position().left < 0) {
+                bins.animate({left: 0},250);
+                this.$.animate({left: 300},250,function() {
+                    var w = _this.$.width();
+                    paper.view.viewSize = new paper.Size([w, _this.canvas_$.height()]);
+                });
+                if ((sizeBef -  bins.width()) < bins.height()){
+                    sizeAft = sizeBef;
+                } else {
+                    sizeAft = sizeBef - bins.width();
+                }
+                foldBinsButton.html("&laquo;");
+            } else {
+                bins.animate({left: -300},250);
+                this.$.animate({left: 0},250,function() {
+                    var w = _this.$.width();
+                    paper.view.viewSize = new paper.Size([w, _this.canvas_$.height()]);
+                });
+                sizeAft = sizeBef+300;
+                foldBinsButton.html("&raquo;");
+            }
+            _this.view.resizeZoom(1, 1, (sizeAft/sizeBef));
+        },
+        save: function() { },
+        open: function() { }
+    }).value();
+
+    /* Scene End */
+
+    return Scene;
+
+});
+
+define('renderer/viewrepr',['jquery', 'underscore', 'requtils', 'renderer/baserepresentation'], function ($, _, requtils, BaseRepresentation) {
+    'use strict';
+
+    var Utils = requtils.getUtils();
+
+    /* Rkns.Renderer.View Class */
+
+    /* The representation for the view. */
+
+    var ViewRepr = Utils.inherit(BaseRepresentation);
+
+    _(ViewRepr.prototype).extend({
+        _init: function() {
+            var _this = this;
+            this.$ = $(".Rk-Render");
+            this.type = "View";
+            this.hiddenNodes = [];
+            this.scale = 1;
+            this.initialScale = 1;
+            this.offset = paper.view.center;
+            this.params = {};
+            
+            if (this.model){
+                this.params = {
+                    "zoom_level": _this.model.get("zoom_level"),
+                    "offset": _this.model.get("offset"),
+                    "hidden_nodes": _this.model.get("hidden_nodes")
+                };
+            }
+                
+            this.init();
+            
+            var bindClick = function(selector, fname) {
+                _this.$.find(selector).click(function(evt) {
+                    _this[fname](evt);
+                    return false;
+                });
+            };
+            
+            bindClick(".Rk-ZoomOut", "zoomOut");
+            bindClick(".Rk-ZoomIn", "zoomIn");
+            bindClick(".Rk-ZoomFit", "autoScale");
+            
+            this.$.find(".Rk-ZoomSave").click( function() {
+                var offset = {
+                    "x": _this.offset.x,
+                    "y": _this.offset.y
+                };
+                _this.model = _this.renkan.project.addView( { zoom_level:_this.scale, offset:offset, hidden_nodes: _this.hiddenNodes.concat() } );
+                _this.params = {
+                        "zoom_level": _this.model.get("zoom_level"),
+                        "offset": _this.model.get("offset"),
+                        "hidden_nodes": _this.model.get("hidden_nodes")
+                };
+                _this.updateUrl();
+            });
+            
+            this.$.find(".Rk-ZoomSetSaved").click( function() {
+                _this.model = _this.renkan.project.get("views").at(_this.renkan.project.get("views").length -1);
+                _this.params = {
+                        "zoom_level": _this.model.get("zoom_level"),
+                        "offset": _this.model.get("offset"),
+                        "hidden_nodes": _this.model.get("hidden_nodes")
+                };
+                _this.setScale(_this.params.zoom_level, new paper.Point(_this.params.offset));
+                _this.showNodes(false);
+                if (_this.options.hide_nodes){
+                    _this.hiddenNodes = (_this.params.hidden_nodes || []).concat();
+                    _this.hideNodes();
+                }
+                _this.updateUrl();
+            });
+            
+            this.$.find(".Rk-ShowHiddenNodes").mouseenter( function() {
+                _this.showNodes(true);
+                _this.$.find(".Rk-ShowHiddenNodes").mouseleave( function() {
+                    _this.hideNodes();
+                });
+            });
+            this.$.find(".Rk-ShowHiddenNodes").click( function() {
+                _this.showNodes(false);
+                _this.$.find(".Rk-ShowHiddenNodes").off( "mouseleave" ); 
+            });
+            if(this.renkan.project.get("views").length > 0 && this.renkan.options.save_view){
+                this.$.find(".Rk-ZoomSetSaved").show();
+            }
+        },
+        redraw: function(options) {
+            //console.log("view : ", this.model.toJSON());
+        },
+        init: function(){
+            var _this = this;
+            _this.setScale(_this.params.zoom_level, new paper.Point(_this.params.offset));
+            
+            if (_this.options.hide_nodes){
+                _this.hiddenNodes = (_this.params.hidden_nodes || []).concat();
+                _this.hideNodes();
+            }
+        },
+        addHiddenNode: function(_model){
+            this.hideNode(_model);
+            this.hiddenNodes.push(_model.id);
+            this.updateUrl();
+        },
+        hideNode: function(_model){
+            if (typeof this.renderer.getRepresentationByModel(_model) !== 'undefined'){
+                this.renderer.getRepresentationByModel(_model).hide();
+            }
+        },
+        hideNodes: function(){
+            var _this = this;
+            this.hiddenNodes.forEach(function(_id, index){
+                var node = _this.renkan.project.get("nodes").get(_id);
+                if (typeof node !== 'undefined'){
+                    return _this.hideNode(_this.renkan.project.get("nodes").get(_id));
+                }else{
+                    _this.hiddenNodes.splice(index, 1);
+                }
+            });
+            paper.view.draw();
+        },
+        showNodes: function(ghost){
+            var _this = this;
+            this.hiddenNodes.forEach(function(_id){
+                _this.renderer.getRepresentationByModel(_this.renkan.project.get("nodes").get(_id)).show(ghost);
+            });
+            if (!ghost){
+                this.hiddenNodes = [];
+            }
+            paper.view.draw();
+        },
+        setScale: function(_newScale, _offset) {
+            if ((_newScale/this.initialScale) > Utils._MIN_SCALE && (_newScale/this.initialScale) < Utils._MAX_SCALE) {
+                this.scale = _newScale;
+                if (_offset) {
+                    this.offset = _offset;
+                }
+                this.renderer.redraw();
+                this.updateUrl();
+            }
+        },
+        zoomOut: function() {
+            var _newScale = this.scale * Math.SQRT1_2,
+            _offset = new paper.Point([
+                                       this.renderer.canvas_$.width(),
+                                       this.renderer.canvas_$.height()
+                                       ]).multiply( 0.5 * ( 1 - Math.SQRT1_2 ) ).add(this.offset.multiply( Math.SQRT1_2 ));
+            this.setScale( _newScale, _offset );
+        },
+        zoomIn: function() {
+            var _newScale = this.scale * Math.SQRT2,
+            _offset = new paper.Point([
+                                       this.renderer.canvas_$.width(),
+                                       this.renderer.canvas_$.height()
+                                       ]).multiply( 0.5 * ( 1 - Math.SQRT2 ) ).add(this.offset.multiply( Math.SQRT2 ));
+            this.setScale( _newScale, _offset );
+        },
+        resizeZoom: function(_scaleWidth, _scaleHeight, _ratio) {
+            var _newScale = this.scale * _ratio,
+                _offset = new paper.Point([
+                                       (this.offset.x * _scaleWidth),
+                                       (this.offset.y * _scaleHeight)
+                                       ]);
+            this.setScale( _newScale, _offset );
+        },
+        autoScale: function(force_view) {
+            var nodes = this.renkan.project.get("nodes");
+            if (nodes.length > 1) {
+                var _xx = nodes.map(function(_node) { return _node.get("position").x; }),
+                _yy = nodes.map(function(_node) { return _node.get("position").y; }),
+                _minx = Math.min.apply(Math, _xx),
+                _miny = Math.min.apply(Math, _yy),
+                _maxx = Math.max.apply(Math, _xx),
+                _maxy = Math.max.apply(Math, _yy);
+                var _scale = Math.min( (paper.view.size.width - 2 * this.renkan.options.autoscale_padding) / (_maxx - _minx), (paper.view.size.height - 2 * this.renkan.options.autoscale_padding) / (_maxy - _miny));
+                this.initialScale = _scale;
+                // Override calculated scale if asked
+                if((typeof force_view !== "undefined") && parseFloat(force_view.zoom_level)>0 && parseFloat(force_view.offset.x)>0 && parseFloat(force_view.offset.y)>0){
+                    this.setScale(parseFloat(force_view.zoom_level), new paper.Point(parseFloat(force_view.offset.x), parseFloat(force_view.offset.y)));
+                }
+                else{
+                    this.setScale(_scale, paper.view.center.subtract(new paper.Point([(_maxx + _minx) / 2, (_maxy + _miny) / 2]).multiply(_scale)));
+                }
+            }
+            if (nodes.length === 1) {
+                this.setScale(1, paper.view.center.subtract(new paper.Point([nodes.at(0).get("position").x, nodes.at(0).get("position").y])));
+            }
+        },
+        paperShift: function(_delta) {
+            this.offset = this.offset.add(_delta);
+            this.renderer.redraw();
+        },
+        updateUrl: function(){
+            if(this.options.update_url){
+                var result = {};
+                var parameters = Backbone.history.getFragment().split('?');
+                if (parameters.length > 1){
+                    parameters[1].split("&").forEach(function(part) {
+                        var item = part.split("=");
+                        result[item[0]] = decodeURIComponent(item[1]);
+                    });
+                }
+                result.view = Math.round(this.offset.x*1000)/1000 + ',' + Math.round(this.offset.y*1000)/1000 + ',' + Math.round(this.scale*1000)/1000;
+
+                if (this.renkan.project.get("views").indexOf(this.model) > -1){
+                    result.viewIndex = this.renkan.project.get("views").indexOf(this.model);
+                    if (result.viewIndex === this.renkan.project.get("views").length - 1){
+                        result.viewIndex = -1;
+                    }
+                } else {
+                    if (result.viewIndex){
+                        delete result.viewIndex;
+                    }
+                }
+                this.renkan.router.navigate("?" + decodeURIComponent($.param(result)), {trigger: false, replace: true});
+            }
+        },
+        destroy: function(_event) {
+            this._super("destroy");
+            this.showNodes(false);
+        }
+    }).value();
+
+    return ViewRepr;
+
+});
+
+
+//Load modules and use them
+if( typeof require.config === "function" ) {
+    require.config({
+        paths: {
+            'jquery':'../lib/jquery/jquery',
+            'underscore':'../lib/lodash/lodash',
+            'filesaver' :'../lib/FileSaver/FileSaver',
+            'requtils':'require-utils',
+            'ckeditor-core':'../lib/ckeditor/ckeditor',
+            'ckeditor-jquery':'../lib/ckeditor/adapters/jquery'
+        },
+        shim: {
+            'ckeditor-jquery':{
+                deps:['jquery','ckeditor-core']
+            }
+        },
+    });
+}
+
+require(['renderer/baserepresentation',
+         'renderer/basebutton',
+         'renderer/noderepr',
+         'renderer/edge',
+         'renderer/tempedge',
+         'renderer/baseeditor',
+         'renderer/nodeeditor',
+         'renderer/edgeeditor',
+         'renderer/nodebutton',
+         'renderer/nodeeditbutton',
+         'renderer/noderemovebutton',
+         'renderer/nodehidebutton',
+         'renderer/nodeshowbutton',
+         'renderer/noderevertbutton',
+         'renderer/nodelinkbutton',
+         'renderer/nodeenlargebutton',
+         'renderer/nodeshrinkbutton',
+         'renderer/edgeeditbutton',
+         'renderer/edgeremovebutton',
+         'renderer/edgerevertbutton',
+         'renderer/miniframe',
+         'renderer/scene',
+         'renderer/viewrepr'
+         ], function(BaseRepresentation, BaseButton, NodeRepr, Edge, TempEdge, BaseEditor, NodeEditor, EdgeEditor, NodeButton, NodeEditButton, NodeRemoveButton, NodeHideButton, NodeShowButton, NodeRevertButton, NodeLinkButton, NodeEnlargeButton, NodeShrinkButton, EdgeEditButton, EdgeRemoveButton, EdgeRevertButton, MiniFrame, Scene, ViewRepr){
+
+    'use strict';
+
+    var Rkns = window.Rkns;
+
+    if(typeof Rkns.Renderer === "undefined"){
+        Rkns.Renderer = {};
+    }
+    var Renderer = Rkns.Renderer;
+
+    Renderer._BaseRepresentation = BaseRepresentation;
+    Renderer._BaseButton = BaseButton;
+    Renderer.Node = NodeRepr;
+    Renderer.Edge = Edge;
+    Renderer.View = ViewRepr;
+    Renderer.TempEdge = TempEdge;
+    Renderer._BaseEditor = BaseEditor;
+    Renderer.NodeEditor = NodeEditor;
+    Renderer.EdgeEditor = EdgeEditor;
+    Renderer._NodeButton = NodeButton;
+    Renderer.NodeEditButton = NodeEditButton;
+    Renderer.NodeRemoveButton = NodeRemoveButton;
+    Renderer.NodeHideButton = NodeHideButton;
+    Renderer.NodeShowButton = NodeShowButton;
+    Renderer.NodeRevertButton = NodeRevertButton;
+    Renderer.NodeLinkButton = NodeLinkButton;
+    Renderer.NodeEnlargeButton = NodeEnlargeButton;
+    Renderer.NodeShrinkButton = NodeShrinkButton;
+    Renderer.EdgeEditButton = EdgeEditButton;
+    Renderer.EdgeRemoveButton = EdgeRemoveButton;
+    Renderer.EdgeRevertButton = EdgeRevertButton;
+    Renderer.MiniFrame = MiniFrame;
+    Renderer.Scene = Scene;
+
+    startRenkan();
+});
+
+define("main-renderer", function(){});
+