ds_mooc_demo: comparison web/js/renkan.js

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web/js/renkan.js

changeset 18	9783029ea81d
parent 14	960eb22c078c
child 24	701af897de95

equal deleted inserted replaced

-:b9bf0f859121
+:9783029ea81d
-/* *********************************************************
-File generated on Wed May 15 15:42:55 CEST 2013
-************************************************************
-start of      main.js
-********************************************************* */
 /*
 _____            _
 |  __ \          | |
 | |__) |___ _ __ | | ____ _ _ __
 |  _  // _ \ '_ \| |/ / _` | '_ \
 *  "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.
 */
 /* Declaring the Renkan Namespace Rkns and Default values */
-if (typeof Rkns !== "object") {
+(function(root) {
-Rkns = {};
+"use strict";
+if (typeof root.Rkns !== "object") {
+root.Rkns = {};
 }
-Rkns.$ = jQuery;
+var Rkns = root.Rkns;
+var $ = Rkns.$ = root.jQuery;
-Rkns._ = _;
+var _ = Rkns._ = root._;
-Rkns.VERSION = '0.2';
+Rkns.VERSION = '0.2.1';
 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._BaseBin = function(_renkan, _opts) {
+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.$('<li>')
 .addClass("Rk-Bin")
 },_opts.auto_refresh);
 }
 }
 };
-Rkns._BaseBin.prototype.destroy = function() {
+_BaseBin.prototype.destroy = function() {
 this.$.detach();
 this.renkan.resizeBins();
 };
 /* Point of entry */
-Rkns.Renkan = function(_opts) {
+var Renkan = Rkns.Renkan = function(_opts) {
 var _this = this;
+Rkns.__renkans.push(this);
 this.options = _.defaults(_opts, Rkns.defaults);
-Rkns._(this.options.property_files).each(function(f) {
+_(this.options.property_files).each(function(f) {
 Rkns.$.getJSON(f, function(data) {
 _this.options.properties = _this.options.properties.concat(data);
 });
 });
 }
 this.$ = Rkns.$("#" + this.options.container);
 this.$
 .addClass("Rk-Main")
 .html(this.template(this));
-this.renderer = new Rkns.Renderer.Scene(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 = _.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.$.find(".Rk-Web-Search-Form").detach();
 } else {
-var _tmpl = Rkns._.template('<li class="<%= className %>" data-key="<%= key %>"><%= title %></li>'),
+var _tmpl = _.template('<li class="<%= className %>" data-key="<%= key %>"><%= title %></li>'),
 _select = this.$.find(".Rk-Search-List"),
 _input = this.$.find(".Rk-Web-Search-Input"),
 _form = this.$.find(".Rk-Web-Search-Form");
-Rkns._(this.options.search).each(function(_search, _key) {
+_(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(
-Rkns._(this.search_engines).map(function(_search, _key) {
+_(this.search_engines).map(function(_search, _key) {
 return _tmpl({
 key: _key,
 title: _search.getSearchTitle(),
 className: _search.getBgClass()
 });
 this.$.find(".Rk-Search-Select").mouseleave(
 function() { _select.hide(); }
 );
 this.setSearchEngine(0);
 }
-Rkns._(this.options.bins).each(function(_bin) {
+_(this.options.bins).each(function(_bin) {
 if (Rkns[_bin.type] && Rkns[_bin.type].Bin) {
 _this.tabs.push(new Rkns[_bin.type].Bin(_this, _bin));
 }
 });
 var _mainDiv = Rkns.$(this).siblings(".Rk-Bin-Main");
 if (_mainDiv.is(":hidden")) {
 _this.$.find(".Rk-Bin-Main").slideUp();
 _mainDiv.slideDown();
 }
-}).on("mouseover", ".Rk-Bin-Item", function(_e) {
+});
+if (this.options.show_editor) {
+this.$.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: $(_t).attr("data-uri")
 });
-Rkns._(_models).each(function(_model) {
+_(_models).each(function(_model) {
 _this.renderer.highlightModel(_model);
 });
 }
 }).mouseout(function() {
 _this.renderer.unhighlightAll();
 }
 catch(err) {
 e.originalEvent.dataTransfer.setData("text",div.innerHTML);
 }
 });
+}
 Rkns.$(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();
-Rkns._(_this.tabs).each(function(tab) {
+if (val === lastval) {
-tab.render(val);
+return;
-});
+}
+var search = Rkns.Utils.regexpFromTextOrArray(val.length > 1 ? val: null);
+if (search.source === lastsearch) {
+return;
+}
+lastsearch = search.source;
+_(_this.tabs).each(function(tab) {
+tab.render(search);
+});
 });
 this.$.find(".Rk-Bins-Search-Form").submit(function() {
 return false;
 });
 };
-Rkns.Renkan.prototype.template = Rkns._.template(
+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><% } %><div class="Rk-Render Rk-Render-<% if (options.show_bins) { %>Panel<% } else { %>Full<% } %>"></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><% } %>'
 );
-Rkns.Renkan.prototype.translate = function(_text) {
+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;
 };
-Rkns.Renkan.prototype.onStatusChange = function() {
+Renkan.prototype.onStatusChange = function() {
 this.renderer.onStatusChange();
 };
-Rkns.Renkan.prototype.setSearchEngine = function(_key) {
+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());
 };
-Rkns.Renkan.prototype.resizeBins = function() {
+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({
 };
 /* Utility functions */
 Rkns.Utils = {
-_ID_AUTO_INCREMENT : 0,
+getUID : (function() {
-_ID_BASE : (function(_d) {
+function pad(n){
+return n<10 ? '0'+n : n;
-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;
 }
-return _d.getUTCFullYear() + '-'
+var _d = new Date(),
+ID_AUTO_INCREMENT = 0,
+ID_BASE = _d.getUTCFullYear() + '-'
 + pad(_d.getUTCMonth()+1) + '-'
 + pad(_d.getUTCDate()) + '-'
 + fillrand(16);
+return function(_base) {
-})(new Date()),
+var _n = (++ID_AUTO_INCREMENT).toString(16),
-getUID : function(_base) {
+_base = (typeof _base === "undefined" ? "" : _base + "-" );
+while (_n.length < 4) { _n = '0' + _n; }
-var _n = (++this._ID_AUTO_INCREMENT).toString(16),
+return _base + this._ID_BASE + '-' + _n;
-_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 (typeof this._init == "function" && !this._initialized) {
 this._init.apply(this, Array.prototype.slice.call(arguments, 0));
 this._initialized = true;
 }
 };
-Rkns._(_class.prototype).extend(_baseClass.prototype);
+_(_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 of        main.js
+/* END main.js */
-************************************************************
-************************************************************
-start of      models.js
-********************************************************* */
 (function() {
+"use strict";
 var root = this;
 var Backbone = root.Backbone;
 var Models = root.Rkns.Models = {};
 type: Backbone.HasOne,
 key: "created_by",
 relatedModel: User
 }],
 prepare: function(options) {
-project = options.project;
+var project = options.project;
 this.addReference(options, "created_by", project.get("users"), options.created_by, project.current_user);
 options.description = options.description || "";
 return options;
 },
 toJSON: function() {
 key: "to",
 relatedModel: Node
 },
 ],
 prepare: function(options) {
-project = options.project;
+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, "to", project.get("nodes"), options.to);
 return options;
 },
 });
 }).call(window);
-/* *********************************************************
-end of        models.js
-************************************************************
-************************************************************
-start of      defaults.js
-********************************************************* */
 Rkns.defaults = {
 language: (navigator.language || navigator.userLanguage || "en"),
 /* GUI Language */
 container: "renkan",
 /* URL for static resources */
 show_bins: true,
 /* Show bins in left column */
 properties: [],
 /* Semantic properties for edges */
+show_editor: true,
+/* Show the graph editor... Setting this to "false" only shows the bins part ! */
 read_only: false,
 /* 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,
 element_delete_delay: 0,
 /* Delay between clicking on the bin on an element and really deleting it
 Set to 0 for delete confirm */
 autoscale_padding: 50,
+/* TOP BAR BUTTONS */
+show_search_field: true,
+show_user_list: true,
+user_name_editable: true,
+user_color_editable: true,
+show_save_button: true,
+show_open_button: false,
+show_addnode_button: true,
+show_addedge_button: true,
+show_bookmarklet: true,
+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,
 show_node_editor_description: true,
 show_node_editor_size: true,
 show_node_editor_color: true,
 show_node_editor_image: true,
 show_node_editor_creator: true,
+uploaded_image_max_kb: 500,
 /* NODE TOOLTIP OPTIONS */
 show_node_tooltip_uri: true,
 show_node_tooltip_description: true,
 show_edge_tooltip_creator: true
 /* */
 };
-/* *********************************************************
-end of        defaults.js
-************************************************************
-************************************************************
-start of      i18n.js
-********************************************************* */
 Rkns.i18n = {
 fr: {
 "Edit Node": "Édition d’un nœud",
 "Edit Edge": "Édition d’un lien",
 "Title:": "Titre :",
 "Image URL:": "URL d'Image",
 "Choose Image File:": "Choisir un fichier image",
 "Full Screen": "Mode plein écran",
 "Add Node": "Ajouter un nœud",
 "Add Edge": "Ajouter un lien",
-"Archive Project": "Archiver le projet",
+"Save Project": "Enregistrer le projet",
+"Open Project": "Ouvrir un projet",
 "Auto-save enabled": "Enregistrement automatique activé",
 "Connection lost": "Connexion perdue",
 "Created by:": "Créé par :",
 "Zoom In": "Agrandir l’échelle",
 "Zoom Out": "Rapetisser l’échelle",
 "Enlarge": "Agrandir",
 "Shrink": "Rétrécir",
 "Click on the background canvas to add a node": "Cliquer sur le fond du graphe pour rajouter un nœud",
 "Click on a first node to start the edge": "Cliquer sur un premier nœud pour commencer le lien",
 "Click on a second node to complete the edge": "Cliquer sur un second nœud pour terminer le lien",
-"Twitter": "Twitter",
 "Wikipedia": "Wikipédia",
 "Wikipedia in ": "Wikipédia en ",
 "French": "Français",
 "English": "Anglais",
 "Japanese": "Japonais",
 "(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 */
-/* *********************************************************
-end of        i18n.js
+(function(root) {
-************************************************************
-************************************************************
+"use strict";
-start of      paper-renderer.js
-********************************************************* */
+var Rkns = root.Rkns,
+_ = Rkns._,
-Rkns.Renderer = {
+$ = Rkns.$;
-_MIN_DRAG_DISTANCE: 2,
-_NODE_BUTTON_WIDTH: 40,
+/* Rkns.Renderer Object */
-_EDGE_BUTTON_INNER: 2,
-_EDGE_BUTTON_OUTER: 40,
+/* This object contains constants, utility functions and classes for Renkan's Graph Manipulation GUI */
-_CLICKMODE_ADDNODE : 1,
-_CLICKMODE_STARTEDGE : 2,
+var Renderer = Rkns.Renderer = {},
-_CLICKMODE_ENDEDGE : 3,
+/* The minimum distance (in pixels) the mouse has to move to consider an element was dragged */
-_IMAGE_MAX_KB : 500,
+_MIN_DRAG_DISTANCE = 2,
-_NODE_SIZE_STEP: Math.LN2/4,
+/* Distance between the inner and outer radius of buttons that appear when hovering on a node */
-_MIN_SCALE: 1/20,
+_NODE_BUTTON_WIDTH = 40,
-_MAX_SCALE: 20,
+_EDGE_BUTTON_INNER = 2,
-_MOUSEMOVE_RATE: 80,
+_EDGE_BUTTON_OUTER = 40,
-_DOUBLETAP_DELAY: 800,
+/* Constants used to know if a specific action is to be performed when clicking on the canvas */
-_DOUBLETAP_DISTANCE: 20*20,
+_CLICKMODE_ADDNODE = 1,
-_USER_PLACEHOLDER : function(_renkan) {
+_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;
 }
 };
 },
-_BOOKMARKLET_CODE: function(_renkan) {
+/* 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);})();";
 },
-shortenText : function(_text, _maxlength) {
+/* Shortens text to the required length then adds ellipsis */
+shortenText = function(_text, _maxlength) {
 return (_text.length > _maxlength ? (_text.substr(0,_maxlength) + '…') : _text);
 },
-drawEditBox : function(_options, _coords, _path, _xmargin, _selector) {
+/* 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),
 _selector.css({
 left: (_options.tooltip_padding + Math.min(_left, _right)),
 top: (_options.tooltip_padding + _top)
 });
 return _path;
-}
+};
-};
+/* Rkns.Renderer._BaseRepresentation Class */
-Rkns.Renderer._BaseRepresentation = function(_renderer, _model) {
+/* 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.on("unselect", this._unselectBinding );
 }
 }
 };
-Rkns.Renderer._BaseRepresentation.prototype.super = function(_func) {
+/* Rkns.Renderer._BaseRepresentation Methods */
-Rkns.Renderer._BaseRepresentation.prototype[_func].apply(this, Array.prototype.slice.call(arguments, 1));
-};
+_(_BaseRepresentation.prototype).extend({
+_super: function(_func) {
-Rkns.Renderer._BaseRepresentation.prototype.redraw = function() {};
+return _BaseRepresentation.prototype[_func].apply(this, Array.prototype.slice.call(arguments, 1));
+},
-Rkns.Renderer._BaseRepresentation.prototype.moveTo = function() {};
+redraw: function() {},
+moveTo: function() {},
-Rkns.Renderer._BaseRepresentation.prototype.show = function() {};
+show: function() {},
+hide: function() {},
-Rkns.Renderer._BaseRepresentation.prototype.hide = function() {};
+select: function() {
+if (this.model) {
-Rkns.Renderer._BaseRepresentation.prototype.select = function() {
+this.model.trigger("selected");
-if (this.model) {
+}
-this.model.trigger("selected");
+},
-}
+unselect: function() {
-};
+if (this.model) {
+this.model.trigger("unselected");
-Rkns.Renderer._BaseRepresentation.prototype.unselect = function() {
+}
-if (this.model) {
+},
-this.model.trigger("unselected");
+highlight: function() {},
-}
+unhighlight: function() {},
-};
+mousedown: function() {},
+mouseup: function() {
-Rkns.Renderer._BaseRepresentation.prototype.highlight = function() {};
+if (this.model) {
+this.model.trigger("clicked");
-Rkns.Renderer._BaseRepresentation.prototype.unhighlight = function() {};
+}
+},
-Rkns.Renderer._BaseRepresentation.prototype.mousedown = function() {};
+destroy: function() {
+if (this.model) {
-Rkns.Renderer._BaseRepresentation.prototype.mouseup = function() {
+this.model.off("change", this._changeBinding );
-if (this.model) {
+this.model.off("remove", this._removeBinding );
-this.model.trigger("clicked");
+this.model.off("select", this._selectBinding );
-}
+this.model.off("unselect", this._unselectBinding );
-};
+}
+}
-Rkns.Renderer._BaseRepresentation.prototype.destroy = function() {
+});
-if (this.model) {
-this.model.off("change", this._changeBinding );
+/* End of Rkns.Renderer._BaseRepresentation Class */
-this.model.off("remove", this._removeBinding );
-this.model.off("select", this._selectBinding );
+/* Rkns.Renderer._BaseButton Class */
-this.model.off("unselect", this._unselectBinding );
-}
+/* 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({
-Rkns.Renderer._BaseButton = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
+moveTo: function(_pos) {
-Rkns.Renderer._BaseButton.prototype.moveTo = function(_pos) {
 this.sector.moveTo(_pos);
-};
+},
+show: function() {
-Rkns.Renderer._BaseButton.prototype.show = function() {
 this.sector.show();
-};
+},
+hide: function() {
-Rkns.Renderer._BaseButton.prototype.hide = function() {
 this.sector.hide();
-};
+},
+select: function() {
-Rkns.Renderer._BaseButton.prototype.select = function() {
 this.sector.select();
-};
+},
+unselect: function(_newTarget) {
-Rkns.Renderer._BaseButton.prototype.unselect = function(_newTarget) {
 this.sector.unselect();
 if (!_newTarget || (_newTarget !== this.source_representation && _newTarget.source_representation !== this.source_representation)) {
 this.source_representation.unselect();
 }
-};
+},
+destroy: function() {
-Rkns.Renderer._BaseButton.prototype.destroy = function() {
 this.sector.destroy();
-};
+}
+});
-/* */
+/* End of Rkns.Renderer._BaseButton Class */
-Rkns.Renderer.Node = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
+/* Rkns.Renderer.Node Class */
-Rkns.Renderer.Node.prototype._init = function() {
+/* 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 = Rkns.$('<div class="Rk-Label">').appendTo(this.renderer.labels_$);
+this.title = $('<div class="Rk-Label">').appendTo(this.renderer.labels_$);
 if (this.options.editor_mode) {
 this.normal_buttons = [
-new Rkns.Renderer.NodeEditButton(this.renderer, null),
+new NodeEditButton(this.renderer, null),
-new Rkns.Renderer.NodeRemoveButton(this.renderer, null),
+new NodeRemoveButton(this.renderer, null),
-new Rkns.Renderer.NodeLinkButton(this.renderer, null),
+new NodeLinkButton(this.renderer, null),
-new Rkns.Renderer.NodeEnlargeButton(this.renderer, null),
+new NodeEnlargeButton(this.renderer, null),
-new Rkns.Renderer.NodeShrinkButton(this.renderer, null)
+new NodeShrinkButton(this.renderer, null)
 ];
 this.pending_delete_buttons = [
-new Rkns.Renderer.NodeRevertButton(this.renderer, null)
+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.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) {
-Rkns.Renderer.Node.prototype.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) * Rkns.Renderer._NODE_SIZE_STEP);
+_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.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 = Rkns.Renderer.shortenText(_text, this.options.node_label_max_length);
+_text = shortenText(_text, this.options.node_label_max_length);
-this.title.text(_text);
+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") || Rkns.Renderer._USER_PLACEHOLDER(this.renkan)).get("color");
+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);
 });
 minisize = new paper.Size([miniradius, miniradius]);
 this.minimap_circle.fitBounds(minipos.subtract(minisize), minisize.multiply(2));
 }
 if (!_dontRedrawEdges) {
-Rkns._.each(this.project.get("edges").filter(function (ed) { return ((ed.to === this.model) || (ed.from === this.model));}), function(edge, index, list){
+var _this = this;
-var repr = this.renderer.getRepresentationByModel(edge);
+_.each(
-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") {
+this.project.get("edges").filter(
-repr.redraw();
+function (ed) {
-}
+return ((ed.get("to") === _this.model) || (ed.get("from") === _this.model));
-}, this);
+}
-}
+),
+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") {
-Rkns.Renderer.Node.prototype.showImage = function() {
+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 {
 minX = Infinity,
 minY = Infinity,
 maxX = -Infinity,
 maxY = -Infinity;
-function transformCoords(tabc, relative) {
+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;
 }
 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":
 this.node_image.position = this.paper_coords.subtract(this.image_delta.multiply(this.circle_radius));
 this.redraw();
 this.renderer.throttledPaperDraw();
 } else {
 var _this = this;
-Rkns.$(_image).on("load", function() {
+$(_image).on("load", function() {
 _this.showImage();
 });
 }
-}
+},
+paperShift: function(_delta) {
-Rkns.Renderer.Node.prototype.paperShift = function(_delta) {
 if (this.options.editor_mode) {
 if (!this.renkan.read_only) {
 this.is_dragging = true;
 this.paper_coords = this.paper_coords.add(_delta);
 this.redraw();
 }
 } else {
 this.renderer.paperShift(_delta);
 }
-};
+},
+openEditor: function() {
-Rkns.Renderer.Node.prototype.openEditor = function() {
 this.renderer.removeRepresentationsOfType("editor");
 var _editor = this.renderer.addRepresentation("NodeEditor",null);
 _editor.source_representation = this;
 _editor.draw();
-};
+},
+select: function() {
-Rkns.Renderer.Node.prototype.select = function() {
 this.selected = true;
 this.circle.strokeWidth = this.options.selected_node_stroke_width;
 if (this.renderer.isEditable()) {
 this.active_buttons.forEach(function(b) {
 b.show();
 });
 }
 var _uri = this.model.get("uri");
 if (_uri) {
-Rkns.$('.Rk-Bin-Item').each(function() {
+$('.Rk-Bin-Item').each(function() {
-var _el = Rkns.$(this);
+var _el = $(this);
 if (_el.attr("data-uri") == _uri) {
 _el.addClass("selected");
 }
 });
 }
 if (this.renderer.minimap) {
 this.minimap_circle.strokeWidth = this.options.minimap_highlight_weight;
 this.minimap_circle.strokeColor = this.options.minimap_highlight_color;
 }
-this.super("select");
+this._super("select");
-};
+},
+unselect: function(_newTarget) {
-Rkns.Renderer.Node.prototype.unselect = function(_newTarget) {
 if (!_newTarget || _newTarget.source_representation !== this) {
 this.selected = false;
 this.all_buttons.forEach(function(b) {
 b.hide();
 });
 this.circle.strokeWidth = this.options.node_stroke_width;
-Rkns.$('.Rk-Bin-Item').removeClass("selected");
+$('.Rk-Bin-Item').removeClass("selected");
 if (this.renderer.minimap) {
 this.minimap_circle.strokeColor = undefined;
 }
-this.super("unselect");
+this._super("unselect");
 }
-};
+},
+highlight: function(textToReplace) {
-Rkns.Renderer.Node.prototype.highlight = function() {
+var hlvalue = textToReplace || true;
-if (this.highlighted) {
+if (this.highlighted === hlvalue) {
 return;
 }
-this.highlighted = true;
+this.highlighted = hlvalue;
 this.redraw();
 this.renderer.throttledPaperDraw();
-};
+},
+unhighlight: function() {
-Rkns.Renderer.Node.prototype.unhighlight = function() {
 if (!this.highlighted) {
 return;
 }
 this.highlighted = false;
 this.redraw();
 this.renderer.throttledPaperDraw();
-};
+},
+saveCoords: function() {
-Rkns.Renderer.Node.prototype.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) {
-Rkns.Renderer.Node.prototype.mousedown = function(_event, _isTouch) {
 if (_isTouch) {
 this.renderer.unselectAll();
 this.select();
 }
-};
+},
+mouseup: function(_event, _isTouch) {
-Rkns.Renderer.Node.prototype.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) {
-Rkns.Renderer.Node.prototype.destroy = function(_event) {
+this._super("destroy");
-this.super("destroy");
 this.all_buttons.forEach(function(b) {
 b.destroy();
 });
 this.circle.remove();
 this.title.remove();
 this.minimap_circle.remove();
 }
 if (this.node_image) {
 this.node_image.remove();
 }
-};
+}
+});
 /* */
-Rkns.Renderer.Edge = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
+var Edge = Renderer.Edge = Rkns.Utils.inherit(_BaseRepresentation);
-Rkns.Renderer.Edge.prototype._init = function() {
+_(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);
 [ 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 = Rkns.$('<div class="Rk-Label Rk-Edge-Label">').appendTo(this.renderer.labels_$);
+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 Rkns.Renderer.EdgeEditButton(this.renderer, null),
+new EdgeEditButton(this.renderer, null),
-new Rkns.Renderer.EdgeRemoveButton(this.renderer, null),
+new EdgeRemoveButton(this.renderer, null),
 ];
 this.pending_delete_buttons = [
-new Rkns.Renderer.EdgeRevertButton(this.renderer, null)
+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.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() {
-Rkns.Renderer.Edge.prototype.redraw = function() {
 var from = this.model.get("from"),
 to = this.model.get("to");
 if (!from || !to) {
 return;
 }
 _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") || Rkns.Renderer._USER_PLACEHOLDER(this.renkan)).get("color");
+_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 {
 if (_a < -90) {
 _a += 180;
 _textdelta = _textdelta.multiply(-1);
 }
 var _text = this.model.get("title") || this.renkan.translate(this.options.label_untitled_edges) || "";
-_text = Rkns.Renderer.shortenText(_text, this.options.node_label_max_length);
+_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,
 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() {
-Rkns.Renderer.Edge.prototype.openEditor = function() {
 this.renderer.removeRepresentationsOfType("editor");
 var _editor = this.renderer.addRepresentation("EdgeEditor",null);
 _editor.source_representation = this;
 _editor.draw();
-};
+},
+select: function() {
-Rkns.Renderer.Edge.prototype.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");
+this._super("select");
-};
+},
+unselect: function(_newTarget) {
-Rkns.Renderer.Edge.prototype.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");
+this._super("unselect");
 }
-};
+},
+mousedown: function(_event, _isTouch) {
-Rkns.Renderer.Edge.prototype.mousedown = function(_event, _isTouch) {
 if (_isTouch) {
 this.renderer.unselectAll();
 this.select();
 }
-};
+},
+mouseup: function(_event, _isTouch) {
-Rkns.Renderer.Edge.prototype.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;
 }
 this.model.trigger("clicked");
 }
 this.renderer.click_target = null;
 this.renderer.is_dragging = false;
-};
+},
+paperShift: function(_delta) {
-Rkns.Renderer.Edge.prototype.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() {
-Rkns.Renderer.Edge.prototype.destroy = function() {
+this._super("destroy");
-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 = Rkns._(this.bundle.edges).reject(function(_edge) {
+this.bundle.edges = _(this.bundle.edges).reject(function(_edge) {
 return _edge === _this;
 });
-};
+}
+});
 /* */
-Rkns.Renderer.TempEdge = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
+var TempEdge = Renderer.TempEdge = Rkns.Utils.inherit(_BaseRepresentation);
-Rkns.Renderer.TempEdge.prototype._init = function() {
+_(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) || Rkns.Renderer._USER_PLACEHOLDER(this.renkan)).get("color");
+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.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() {
-Rkns.Renderer.TempEdge.prototype.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) {
-Rkns.Renderer.TempEdge.prototype.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) {
-Rkns.Renderer.TempEdge.prototype.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;
 this.renderer.click_target = null;
 this.renderer.is_dragging = false;
 this.renderer.removeRepresentation(this);
 paper.view.draw();
 }
-};
+},
+destroy: function() {
-Rkns.Renderer.TempEdge.prototype.destroy = function() {
 this.arrow.remove();
 this.line.remove();
-};
+}
+});
 /* */
-Rkns.Renderer._BaseEditor = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
+var _BaseEditor = Renderer._BaseEditor = Rkns.Utils.inherit(_BaseRepresentation);
-Rkns.Renderer._BaseEditor.prototype._init = function() {
+_(_BaseEditor.prototype).extend({
+_init: function() {
 this.renderer.buttons_layer.activate();
 this.type = "editor";
 this.editor_block = new paper.Path();
-var _pts = Rkns._(Rkns._.range(8)).map(function() {return [0,0];});
+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_$ = Rkns.$('<div>')
+this.editor_$ = $('<div>')
 .appendTo(this.renderer.editor_$)
 .css({
 position: "absolute",
 opacity: .8
 })
 .hide();
-};
+},
+destroy: function() {
-Rkns.Renderer._BaseEditor.prototype.destroy = function() {
 this.editor_block.remove();
 this.editor_$.remove();
-};
+}
+});
 /* */
-Rkns.Renderer.NodeEditor = Rkns.Utils.inherit(Rkns.Renderer._BaseEditor);
+var NodeEditor = Renderer.NodeEditor = Rkns.Utils.inherit(_BaseEditor);
-Rkns.Renderer.NodeEditor.prototype.template = Rkns._.template(
+_(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><ul class="Rk-Edit-ColorPicker">'
++ '<% 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>'
-+ '<% _(Rkns.pickerColors).each(function(c) { %><li data-color="<%=c%>" style="background: <%=c%>"></li><% }); %></ul><span class="Rk-Edit-ColorPicker-Text"><%- renkan.translate("Choose color") %></span></div></div><% } %>'
++ '<%= 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><%- Rkns.Renderer.shortenText(node.created_by_title, 25) %></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(
-Rkns.Renderer.NodeEditor.prototype.readOnlyTemplate = Rkns._.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><%-node.description%></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><%- Rkns.Renderer.shortenText(node.created_by_title, 25) %></p><% } %>'
++ '<% 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() {
-Rkns.Renderer.NodeEditor.prototype.draw = function() {
 var _model = this.source_representation.model,
-_created_by = _model.get("created_by") || Rkns.Renderer._USER_PLACEHOLDER(this.renkan),
+_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:  Rkns.Renderer.shortenText((_model.get("uri") || "").replace(/^(https?:\/\/)?(www\.)?/,'').replace(/\/$/,''),40),
+short_uri:  shortenText((_model.get("uri") || "").replace(/^(https?:\/\/)?(www\.)?/,'').replace(/\/$/,''),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
+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 = Rkns._(function() {
+var onFieldChange = _(function() {
-Rkns._(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_$.find(".Rk-Edit-ImgPreview").attr("src", _data.image || _image_placeholder);
 }
 fr = new FileReader();
 if (f.type.substr(0,5) !== "image") {
 alert(_this.renkan.translate("This file is not an image"));
 return;
 }
-if (f.size > (Rkns.Renderer._IMAGE_MAX_KB * 1024)) {
+if (f.size > (_this.options.uploaded_image_max_kb * 1024)) {
-alert(_this.renkan.translate("Image size must be under ")+Rkns.Renderer._IMAGE_MAX_KB+_this.renkan.translate("KB"));
+alert(_this.renkan.translate("Image size must be under ") + _this.options.uploaded_image_max_kb + _this.renkan.translate("KB"));
 return;
 }
 fr.onload = function(e) {
 _this.editor_$.find(".Rk-Edit-Image").val(e.target.result);
 onFieldChange();
 _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") || Rkns.Renderer._USER_PLACEHOLDER(_this.renkan)).get("color"));
+_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", $(this).attr("data-color"));
 } else {
 closeEditor();
 }
 });
-function shiftSize(n) {
+var shiftSize = function(n) {
 if (_this.renderer.isEditable()) {
 var _newsize = n+(_model.get("size") || 0);
 _this.editor_$.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() {
-Rkns.Renderer.NodeEditor.prototype.redraw = function() {
 var _coords = this.source_representation.paper_coords;
-Rkns.Renderer.drawEditBox(this.options, _coords, this.editor_block, this.source_representation.circle_radius * .75, this.editor_$);
+drawEditBox(this.options, _coords, this.editor_block, this.source_representation.circle_radius * .75, this.editor_$);
 this.editor_$.show();
 paper.view.draw();
-};
+}
+});
 /* */
-Rkns.Renderer.EdgeEditor = Rkns.Utils.inherit(Rkns.Renderer._BaseEditor);
+var EdgeEditor = Renderer.EdgeEditor = Rkns.Utils.inherit(_BaseEditor);
-Rkns.Renderer.EdgeEditor.prototype.template = Rkns._.template(
+_(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><ul class="Rk-Edit-ColorPicker">'
++ '<% 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>'
-+ '<% _(Rkns.pickerColors).each(function(c) { %><li data-color="<%=c%>" style="background: <%=c%>"></li><% }); %></ul><span class="Rk-Edit-ColorPicker-Text"><%- renkan.translate("Choose color") %></span></div></div><% } %>'
++ '<%= 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><%- Rkns.Renderer.shortenText(edge.from_title, 25) %></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><%- Rkns.Renderer.shortenText(edge.to_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><%- Rkns.Renderer.shortenText(edge.created_by_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(
-Rkns.Renderer.EdgeEditor.prototype.readOnlyTemplate = Rkns._.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><%- Rkns.Renderer.shortenText(edge.from_title, 25) %></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><%- Rkns.Renderer.shortenText(edge.to_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><%- Rkns.Renderer.shortenText(edge.created_by_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() {
-Rkns.Renderer.EdgeEditor.prototype.draw = function() {
 var _model = this.source_representation.model,
 _from_model = _model.get("from"),
 _to_model = _model.get("to"),
-_created_by = _model.get("created_by") || Rkns.Renderer._USER_PLACEHOLDER(this.renkan),
+_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:  Rkns.Renderer.shortenText((_model.get("uri") || "").replace(/^(https?:\/\/)?(www\.)?/,'').replace(/\/$/,''),40),
+short_uri:  shortenText((_model.get("uri") || "").replace(/^(https?:\/\/)?(www\.)?/,'').replace(/\/$/,''),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") || Rkns.Renderer._USER_PLACEHOLDER(this.renkan)).get("color"),
+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") || Rkns.Renderer._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,
-options: this.options,
+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 = Rkns._(function() {
+var onFieldChange = _(function() {
-Rkns._(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_$.find(".Rk-Edit-Goto").attr("href",_data.uri);
+_this.editor_$.find(".Rk-Edit-Goto").attr("href",_data.uri || "#");
 _model.set(_data);
 paper.view.draw();
 } else {
 closeEditor();
 }
 _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") || Rkns.Renderer._USER_PLACEHOLDER(_this.renkan)).get("color"));
+_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", $(this).attr("data-color"));
 } else {
 closeEditor();
 }
 });
 }
-};
+},
+redraw: function() {
-Rkns.Renderer.EdgeEditor.prototype.redraw = function() {
 var _coords = this.source_representation.paper_coords;
-Rkns.Renderer.drawEditBox(this.options, _coords, this.editor_block, 5, this.editor_$);
+drawEditBox(this.options, _coords, this.editor_block, 5, this.editor_$);
 this.editor_$.show();
 paper.view.draw();
-};
+}
+});
 /* */
-Rkns.Renderer._NodeButton = Rkns.Utils.inherit(Rkns.Renderer._BaseButton);
+var _NodeButton = Renderer._NodeButton = Rkns.Utils.inherit(_BaseButton);
-Rkns.Renderer._NodeButton.prototype.setSectorSize = function() {
+_(_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,
-Rkns.Renderer._NODE_BUTTON_WIDTH + sectorInner,
+_NODE_BUTTON_WIDTH + sectorInner,
 this.startAngle,
 this.endAngle,
 1,
 this.imageName,
 this.renkan.translate(this.text)
 );
 this.lastSectorInner = sectorInner;
 }
-};
+}
+});
 /* */
-Rkns.Renderer.NodeEditButton = Rkns.Utils.inherit(Rkns.Renderer._NodeButton);
+var NodeEditButton = Renderer.NodeEditButton = Rkns.Utils.inherit(_NodeButton);
-Rkns.Renderer.NodeEditButton.prototype._init = function() {
+_(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() {
-Rkns.Renderer.NodeEditButton.prototype.mouseup = function() {
 if (!this.renderer.is_dragging) {
 this.source_representation.openEditor();
 }
-};
+}
+});
 /* */
-Rkns.Renderer.NodeRemoveButton = Rkns.Utils.inherit(Rkns.Renderer._NodeButton);
+var NodeRemoveButton = Renderer.NodeRemoveButton = Rkns.Utils.inherit(_NodeButton);
-Rkns.Renderer.NodeRemoveButton.prototype._init = function() {
+_(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() {
-Rkns.Renderer.NodeRemoveButton.prototype.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) {
 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);
 }
 }
 }
-};
+}
+});
 /* */
-Rkns.Renderer.NodeRevertButton = Rkns.Utils.inherit(Rkns.Renderer._NodeButton);
+var NodeRevertButton = Renderer.NodeRevertButton = Rkns.Utils.inherit(_NodeButton);
-Rkns.Renderer.NodeRevertButton.prototype._init = function() {
+_(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() {
-Rkns.Renderer.NodeRevertButton.prototype.mouseup = function() {
 this.renderer.click_target = null;
 this.renderer.is_dragging = false;
 if (this.renderer.isEditable()) {
 this.source_representation.model.unset("delete_scheduled");
 }
-};
+}
+});
 /* */
-Rkns.Renderer.NodeLinkButton = Rkns.Utils.inherit(Rkns.Renderer._NodeButton);
+var NodeLinkButton = Renderer.NodeLinkButton = Rkns.Utils.inherit(_NodeButton);
-Rkns.Renderer.NodeLinkButton.prototype._init = function() {
+_(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) {
-Rkns.Renderer.NodeLinkButton.prototype.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);
 }
-};
+}
+});
 /* */
-Rkns.Renderer.NodeEnlargeButton = Rkns.Utils.inherit(Rkns.Renderer._NodeButton);
+var NodeEnlargeButton = Renderer.NodeEnlargeButton = Rkns.Utils.inherit(_NodeButton);
-Rkns.Renderer.NodeEnlargeButton.prototype._init = function() {
+_(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() {
-Rkns.Renderer.NodeEnlargeButton.prototype.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();
-};
+}
+});
 /* */
-Rkns.Renderer.NodeShrinkButton = Rkns.Utils.inherit(Rkns.Renderer._NodeButton);
+var NodeShrinkButton = Renderer.NodeShrinkButton = Rkns.Utils.inherit(_NodeButton);
-Rkns.Renderer.NodeShrinkButton.prototype._init = function() {
+_(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() {
-Rkns.Renderer.NodeShrinkButton.prototype.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();
-};
+}
+});
 /* */
-Rkns.Renderer.EdgeEditButton = Rkns.Utils.inherit(Rkns.Renderer._BaseButton);
+var EdgeEditButton = Renderer.EdgeEditButton = Rkns.Utils.inherit(_BaseButton);
-Rkns.Renderer.EdgeEditButton.prototype._init = function() {
+_(EdgeEditButton.prototype).extend({
+_init: function() {
 this.type = "Edge-edit-button";
-this.sector = this.renderer.drawSector(this, Rkns.Renderer._EDGE_BUTTON_INNER, Rkns.Renderer._EDGE_BUTTON_OUTER, -270, -90, 1, "edit", this.renkan.translate("Edit"));
+this.sector = this.renderer.drawSector(this, _EDGE_BUTTON_INNER, _EDGE_BUTTON_OUTER, -270, -90, 1, "edit", this.renkan.translate("Edit"));
-};
+},
+mouseup: function() {
-Rkns.Renderer.EdgeEditButton.prototype.mouseup = function() {
 if (!this.renderer.is_dragging) {
 this.source_representation.openEditor();
 }
-};
+}
+});
 /* */
-Rkns.Renderer.EdgeRemoveButton = Rkns.Utils.inherit(Rkns.Renderer._BaseButton);
+var EdgeRemoveButton = Renderer.EdgeRemoveButton = Rkns.Utils.inherit(_BaseButton);
-Rkns.Renderer.EdgeRemoveButton.prototype._init = function() {
+_(EdgeRemoveButton.prototype).extend({
+_init: function() {
 this.type = "Edge-remove-button";
-this.sector = this.renderer.drawSector(this, Rkns.Renderer._EDGE_BUTTON_INNER, Rkns.Renderer._EDGE_BUTTON_OUTER, -90, 90, 1, "remove", this.renkan.translate("Remove"));
+this.sector = this.renderer.drawSector(this, _EDGE_BUTTON_INNER, _EDGE_BUTTON_OUTER, -90, 90, 1, "remove", this.renkan.translate("Remove"));
-};
+},
+mouseup: function() {
-Rkns.Renderer.EdgeRemoveButton.prototype.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) {
 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);
 }
 }
 }
-};
+}
+});
 /* */
-Rkns.Renderer.EdgeRevertButton = Rkns.Utils.inherit(Rkns.Renderer._BaseButton);
+var EdgeRevertButton = Renderer.EdgeRevertButton = Rkns.Utils.inherit(_BaseButton);
-Rkns.Renderer.EdgeRevertButton.prototype._init = function() {
+_(EdgeRevertButton.prototype).extend({
+_init: function() {
 this.type = "Edge-revert-button";
-this.sector = this.renderer.drawSector(this, Rkns.Renderer._EDGE_BUTTON_INNER, Rkns.Renderer._EDGE_BUTTON_OUTER, -135, 135, 1, "revert", this.renkan.translate("Cancel deletion"));
+this.sector = this.renderer.drawSector(this, _EDGE_BUTTON_INNER, _EDGE_BUTTON_OUTER, -135, 135, 1, "revert", this.renkan.translate("Cancel deletion"));
-};
+},
+mouseup: function() {
-Rkns.Renderer.EdgeRevertButton.prototype.mouseup = function() {
 this.renderer.click_target = null;
 this.renderer.is_dragging = false;
 if (this.renderer.isEditable()) {
 this.source_representation.model.unset("delete_scheduled");
 }
-};
+}
+});
 /* */
-Rkns.Renderer.MiniFrame = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
+var MiniFrame = Renderer.MiniFrame = Rkns.Utils.inherit(_BaseRepresentation);
-Rkns.Renderer.MiniFrame.prototype.paperShift = function(_delta) {
+_(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) {
-Rkns.Renderer.MiniFrame.prototype.mouseup = function(_delta) {
 this.renderer.click_target = null;
 this.renderer.is_dragging = false;
-};
+}
+});
 /* */
-Rkns.Renderer.Scene = function(_renkan) {
+var Scene = Renderer.Scene = function(_renkan) {
 this.renkan = _renkan;
-this.$ = Rkns.$(".Rk-Render");
+this.$ = $(".Rk-Render");
 this.representations = [];
 this.$.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.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 Rkns.Renderer.MiniFrame(this, null);
+this.minimap.miniframe.__representation = new MiniFrame(this, null);
 }
-this.throttledPaperDraw = Rkns._(function() {
+this.throttledPaperDraw = _(function() {
 paper.view.draw();
 }).throttle(100);
 this.bundles = [];
 this.click_mode = false;
 _this.icon_cache[imgname] = img;
 });
 var throttledMouseMove = _.throttle(function(_event, _isTouch) {
 _this.onMouseMove(_event, _isTouch);
-}, Rkns.Renderer._MOUSEMOVE_RATE);
+}, _MOUSEMOVE_RATE);
 this.canvas_$.on({
 mousedown: function(_event) {
 _event.preventDefault();
 _this.onMouseDown(_event, false);
 },
 touchstart: function(_event) {
 _event.preventDefault();
 var _touches = _event.originalEvent.touches[0];
 if (
 _renkan.options.allow_double_click
-&& new Date() - _lastTap < Rkns.Renderer._DOUBLETAP_DELAY
+&& new Date() - _lastTap < _DOUBLETAP_DELAY
-&& ( Math.pow(_lastTapX - _touches.pageX, 2) + Math.pow(_lastTapY - _touches.pageY, 2) < Rkns.Renderer._DOUBLETAP_DISTANCE )
+&& ( Math.pow(_lastTapX - _touches.pageX, 2) + Math.pow(_lastTapY - _touches.pageY, 2) < _DOUBLETAP_DISTANCE )
 ) {
 _lastTap = 0;
 _this.onDoubleClick(_touches);
 } else {
 _lastTap = new Date();
 },
 drop: function(_event) {
 _event.preventDefault();
 _allowScroll = true;
 var res = {};
-Rkns._(_event.originalEvent.dataTransfer.types).each(function(t) {
+_(_event.originalEvent.dataTransfer.types).each(function(t) {
 try {
 res[t] = _event.originalEvent.dataTransfer.getData(t);
 } catch(e) {}
 });
 var text = _event.originalEvent.dataTransfer.getData("Text");
 res["text/uri-list"] = url;
 }
 _this.dropData(res, _event.originalEvent);
 }
 });
-this.editor_$.find(".Rk-ZoomOut").click(function() {
-var _newScale = _this.scale * Math.SQRT1_2,
+var bindClick = function(selector, fname) {
-_offset = new paper.Point([
+_this.$.find(selector).click(function(evt) {
-_this.canvas_$.width(),
+_this[fname](evt);
-_this.canvas_$.height()
+return false;
-]).multiply( .5 * ( 1 - Math.SQRT1_2 ) ).add(_this.offset.multiply( Math.SQRT1_2 ));
+});
-_this.setScale( _newScale, _offset );
+};
-});
-this.editor_$.find(".Rk-ZoomIn").click(function() {
+bindClick(".Rk-ZoomOut", "zoomOut");
-var _newScale = _this.scale * Math.SQRT2,
+bindClick(".Rk-ZoomIn", "zoomIn");
-_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 );
-});
 this.$.find(".Rk-CurrentUser").mouseenter(
 function() { _this.$.find(".Rk-UserList").slideDown(); }
 );
 this.$.find(".Rk-Users").mouseleave(
 function() { _this.$.find(".Rk-UserList").slideUp(); }
 );
-this.$.find(".Rk-FullScreen-Button").click(function() {
+bindClick(".Rk-FullScreen-Button", "fullScreen");
-var _isFull = document.fullScreen || document.mozFullScreen || document.webkitIsFullScreen,
+bindClick(".Rk-AddNode-Button", "addNodeBtn");
-_el = _this.renkan.$[0],
+bindClick(".Rk-AddEdge-Button", "addEdgeBtn");
-_requestMethods = ["requestFullScreen","mozRequestFullScreen","webkitRequestFullScreen"],
+bindClick(".Rk-Save-Button", "save");
-_cancelMethods = ["cancelFullScreen","mozCancelFullScreen","webkitCancelFullScreen"];
+bindClick(".Rk-Open-Button", "open");
-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;
-}
-}
-}
-});
-this.$.find(".Rk-AddNode-Button").click(function() {
-if (_this.click_mode === Rkns.Renderer._CLICKMODE_ADDNODE) {
-_this.click_mode = false;
-_this.notif_$.hide();
-} else {
-_this.click_mode = Rkns.Renderer._CLICKMODE_ADDNODE;
-_this.notif_$.text(_renkan.translate("Click on the background canvas to add a node")).fadeIn();
-}
-});
-this.$.find(".Rk-AddEdge-Button").click(function() {
-if (_this.click_mode === Rkns.Renderer._CLICKMODE_STARTEDGE || _this.click_mode === Rkns.Renderer._CLICKMODE_ENDEDGE) {
-_this.click_mode = false;
-_this.notif_$.hide();
-} else {
-_this.click_mode = Rkns.Renderer._CLICKMODE_STARTEDGE;
-_this.notif_$.text(_renkan.translate("Click on a first node to start the edge")).fadeIn();
-}
-});
 this.$.find(".Rk-Bookmarklet-Button")
-.attr("href","javascript:" + Rkns.Renderer._BOOKMARKLET_CODE(_renkan))
+.attr("href","javascript:" + _BOOKMARKLET_CODE(_renkan))
 .click(function(){
 _this.notif_$
 .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.$.find(".Rk-TopBar-Button").mouseover(function() {
-Rkns.$(this).find(".Rk-TopBar-Tooltip").show();
+$(this).find(".Rk-TopBar-Tooltip").show();
 }).mouseout(function() {
-Rkns.$(this).find(".Rk-TopBar-Tooltip").hide();
+$(this).find(".Rk-TopBar-Tooltip").hide();
 });
-this.$.find(".Rk-Fold-Bins").click(function() {
+bindClick(".Rk-Fold-Bins", "foldBins");
-var bins = _renkan.$.find(".Rk-Bins");
-if (bins.offset().left < 0) {
-bins.animate({left: 0},250);
-_this.$.animate({left: 300},250,function() {
-var w = _this.$.width();
-paper.view.viewSize = new paper.Size([w, _this.canvas_$.height()]);
-});
-$(this).html("&laquo;");
-} else {
-bins.animate({left: -300},250);
-_this.$.animate({left: 0},250,function() {
-var w = _this.$.width();
-paper.view.viewSize = new paper.Size([w, _this.canvas_$.height()]);
-});
-$(this).html("&raquo;");
-}
-});
 paper.view.onResize = function(_event) {
 _this.offset = _this.offset.add(_event.delta.divide(2));
 if (_this.minimap) {
 _this.minimap.topleft = paper.view.bounds.bottomRight.subtract(_this.minimap.size);
 _this.minimap.cliprectangle.fitBounds(_this.minimap.topleft, _this.minimap.size);
 }
 _this.redraw();
 };
-var _thRedraw = Rkns._.throttle(function() {
+var _thRedraw = _.throttle(function() {
 _this.redraw();
 },50);
 this.addRepresentations("Node", this.renkan.project.get("nodes"));
 this.addRepresentations("Edge", this.renkan.project.get("edges"));
 this.$.find(".Rk-PadTitle").on("keyup input paste", function() {
 _renkan.project.set({"title": $(this).val()});
 });
-this.renkan.project.get("users").each(function(_user) {
+var _thRedrawUsers = _.throttle(function() {
-_this.addUser(_user);
+_this.redrawUsers();
-});
+}, 100);
-this.renkan.project.on("add:users", function(_user) {
+_thRedrawUsers();
-_this.addUser(_user);
-});
+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) {
 $(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) {
 }, 2000);
 }
 };
-Rkns.Renderer.Scene.prototype.template = Rkns._.template(
+_(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")%>" /><% } %>'
-+ '<div class="Rk-Users"><div class="Rk-CurrentUser"><span class="Rk-CurrentUser-Color"></span><span class="Rk-CurrentUser-Name">&lt;unknown user&gt;</span></div><ul class="Rk-UserList"></ul></div>'
++ '<% 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>'
-+ '<div class="Rk-TopBar-Separator"></div><div class="Rk-TopBar-Button Rk-FullScreen-Button"><div class="Rk-TopBar-Tooltip"><div class="Rk-TopBar-Tooltip-Tip"></div><div class="Rk-TopBar-Tooltip-Contents"><%-translate("Full Screen")%></div></div></div>'
++ '<% 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) { %>'
-+ '<div class="Rk-TopBar-Separator"></div><div class="Rk-TopBar-Button Rk-AddNode-Button"><div class="Rk-TopBar-Tooltip"><div class="Rk-TopBar-Tooltip-Tip"></div><div class="Rk-TopBar-Tooltip-Contents"><%-translate("Add Node")%></div></div></div>'
++ '<% 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-Separator"></div><div class="Rk-TopBar-Button Rk-AddEdge-Button"><div class="Rk-TopBar-Tooltip"><div class="Rk-TopBar-Tooltip-Tip"></div><div class="Rk-TopBar-Tooltip-Contents"><%-translate("Add Edge")%></div></div></div>'
++ '<div class="Rk-TopBar-Tooltip-Contents"><%-translate("Add Node")%></div></div></div><% } %>'
-+ '<div class="Rk-TopBar-Separator"></div><div class="Rk-TopBar-Button Rk-Save-Button"><div class="Rk-TopBar-Tooltip"><div class="Rk-TopBar-Tooltip-Tip"></div><div class="Rk-TopBar-Tooltip-Contents"> </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-Separator"></div><a class="Rk-TopBar-Button Rk-Bookmarklet-Button" href="#"><div class="Rk-TopBar-Tooltip"><div class="Rk-TopBar-Tooltip-Tip"></div><div class="Rk-TopBar-Tooltip-Contents">'
++ '<div class="Rk-TopBar-Tooltip-Contents"><%-translate("Add Edge")%></div></div></div><% } %>'
-+ '<%-translate("Renkan \'Drag-to-Add\' bookmarklet")%></div></div></a>'
++ '<% 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><% } %>'
-+ '<div class="Rk-TopBar-Separator"></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><% } %>'
-+ '<% } %></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-Editor"><div class="Rk-Notifications"></div>'
++ '<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) {
-Rkns.Renderer.Scene.prototype.fixSize = function(_autoscale) {
 var w = this.$.width(),
 h = this.$.height();
 if (this.renkan.options.show_top_bar) {
 h -= this.$.find(".Rk-TopBar").height();
 }
 paper.view.viewSize = new paper.Size([w, h]);
 if (_autoscale) {
 this.autoScale();
 }
-};
+},
+drawSector: function(_repr, _inR, _outR, _startAngle, _endAngle, _padding, _imgname, _caption) {
-Rkns.Renderer.Scene.prototype.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,
 _grp.addChild(_raster);
 }
 if (_img.width) {
 showImage();
 } else {
-Rkns.$(_img).on("load",showImage);
+$(_img).on("load",showImage);
 }
 return _res;
-};
+},
+addToBundles: function(_edgeRepr) {
-Rkns.Renderer.Scene.prototype.addToBundles = function(_edgeRepr) {
+var _bundle = _(this.bundles).find(function(_bundle) {
-var _bundle = Rkns._(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 )
 );
 });
 from: _edgeRepr.from_representation,
 to: _edgeRepr.to_representation,
 edges: [ _edgeRepr ],
 getPosition: function(_er) {
 var _dir = (_er.from_representation === this.from) ? 1 : -1;
-return _dir * ( Rkns._(this.edges).indexOf(_er) - (this.edges.length - 1) / 2 );
+return _dir * ( _(this.edges).indexOf(_er) - (this.edges.length - 1) / 2 );
 }
 };
 this.bundles.push(_bundle);
 }
 return _bundle;
-};
+},
+isEditable: function() {
-Rkns.Renderer.Scene.prototype.isEditable = function() {
 return (this.renkan.options.editor_mode && !this.renkan.read_only);
-};
+},
+onStatusChange: function() {
-Rkns.Renderer.Scene.prototype.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("Archive Project"));
+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();
+},
-Rkns.Renderer.Scene.prototype.setScale = function(_newScale, _offset) {
+setScale: function(_newScale, _offset) {
-if (_newScale > Rkns.Renderer._MIN_SCALE && _newScale < Rkns.Renderer._MAX_SCALE) {
+if ((_newScale/this.initialScale) > _MIN_SCALE && (_newScale/this.initialScale) < _MAX_SCALE) {
 this.scale = _newScale;
 if (_offset) {
 this.offset = _offset;
 }
 this.redraw();
 }
-};
+},
+autoScale: function() {
-Rkns.Renderer.Scene.prototype.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.max(Rkns.Renderer._MIN_SCALE, Math.min(Rkns.Renderer._MAX_SCALE, (paper.view.size.width - 2 * this.renkan.options.autoscale_padding) / (_maxx - _minx), (paper.view.size.height - 2 * this.renkan.options.autoscale_padding) / (_maxy - _miny)));
+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() {
-Rkns.Renderer.Scene.prototype.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() {
-Rkns.Renderer.Scene.prototype.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),
 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) {
-Rkns.Renderer.Scene.prototype.toPaperCoords = function(_point) {
 return _point.multiply(this.scale).add(this.offset);
-};
+},
+toMinimapCoords: function(_point) {
-Rkns.Renderer.Scene.prototype.toMinimapCoords = function(_point) {
 return _point.multiply(this.minimap.scale).add(this.minimap.offset).add(this.minimap.topleft);
-};
+},
+toModelCoords: function(_point) {
-Rkns.Renderer.Scene.prototype.toModelCoords = function(_point) {
 return _point.subtract(this.offset).divide(this.scale);
-};
+},
+addRepresentation: function(_type, _model) {
-Rkns.Renderer.Scene.prototype.addRepresentation = function(_type, _model) {
+var _repr = new Renderer[_type](this, _model);
-var _repr = new Rkns.Renderer[_type](this, _model);
 this.representations.push(_repr);
 return _repr;
-};
+},
+addRepresentations: function(_type, _collection) {
-Rkns.Renderer.Scene.prototype.addRepresentations = function(_type, _collection) {
 var _this = this;
 _collection.forEach(function(_model) {
 _this.addRepresentation(_type, _model);
 });
-};
+},
+userTemplate: _.template(
-Rkns.Renderer.Scene.prototype.userTemplate = Rkns._.template(
 '<li class="Rk-User"><span class="Rk-UserColor" style="background:<%=background%>;"></span><%=name%></li>'
-);
+),
+redrawUsers: function() {
-Rkns.Renderer.Scene.prototype.addUser = function(_user) {
+if (!this.renkan.options.show_user_list) {
-if (_user.get("_id") === this.renkan.current_user) {
+return;
-this.$.find(".Rk-CurrentUser-Name").text(_user.get("title"));
+}
-this.$.find(".Rk-CurrentUser-Color").css("background", _user.get("color"));
+var allUsers = [].concat((this.renkan.project.current_user_list || {}).models || [], (this.renkan.project.get("users") || {}).models || []),
-} else {
+ulistHtml = '',
-this.$.find(".Rk-UserList").append(
+$userpanel = this.$.find(".Rk-Users"),
-Rkns.$(
+$name = $userpanel.find(".Rk-CurrentUser-Name"),
-this.userTemplate({
+$cpwrapper = $userpanel.find(".Rk-Edit-ColorPicker-Wrapper"),
-name: _user.get("title"),
+$cpitems = $userpanel.find(".Rk-Edit-ColorPicker li"),
-background: _user.get("color")
+$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"));
-Rkns.Renderer.Scene.prototype.removeRepresentation = function(_representation) {
+$colorsquare.css("background", _user.get("color"));
+if (_this.isEditable()) {
+if (_this.renkan.options.user_name_editable) {
+$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 = Rkns._(this.representations).reject(
+this.representations = _(this.representations).reject(
 function(_repr) {
 return _repr == _representation;
 }
 );
-};
+},
+getRepresentationByModel: function(_model) {
-Rkns.Renderer.Scene.prototype.getRepresentationByModel = function(_model) {
 if (!_model) {
 return undefined;
 }
-return Rkns._(this.representations).find(function(_repr) {
+return _(this.representations).find(function(_repr) {
 return _repr.model === _model;
 });
-};
+},
+removeRepresentationsOfType: function(_type) {
-Rkns.Renderer.Scene.prototype.removeRepresentationsOfType = function(_type) {
+var _representations = _(this.representations).filter(function(_repr) {
-var _representations = Rkns._(this.representations).filter(function(_repr) {
 return _repr.type == _type;
 }),
 _this = this;
-Rkns._(_representations).each(function(_repr) {
+_(_representations).each(function(_repr) {
 _this.removeRepresentation(_repr);
 });
-};
+},
+highlightModel: function(_model) {
-Rkns.Renderer.Scene.prototype.highlightModel = function(_model) {
 var _repr = this.getRepresentationByModel(_model);
 if (_repr) {
 _repr.highlight();
 }
-};
+},
+unhighlightAll: function(_model) {
-Rkns.Renderer.Scene.prototype.unhighlightAll = function(_model) {
+_(this.representations).each(function(_repr) {
-Rkns._(this.representations).each(function(_repr) {
 _repr.unhighlight();
 });
-};
+},
+unselectAll: function(_model) {
-Rkns.Renderer.Scene.prototype.unselectAll = function(_model) {
+_(this.representations).each(function(_repr) {
-Rkns._(this.representations).each(function(_repr) {
 _repr.unselect();
 });
-};
+},
+redraw: function() {
-Rkns.Renderer.Scene.prototype.redraw = function() {
+_(this.representations).each(function(_representation) {
-Rkns._(this.representations).each(function(_representation) {
 _representation.redraw(true);
 });
 if (this.minimap) {
 this.redrawMiniframe();
 }
 paper.view.draw();
-};
+},
+addTempEdge: function(_from, _point) {
-Rkns.Renderer.Scene.prototype.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) {
-Rkns.Renderer.Scene.prototype.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);
 if (this.selected_target) {
 this.selected_target.unselect();
 }
 this.selected_target = null;
 }
-};
+},
+paperShift: function(_delta) {
-Rkns.Renderer.Scene.prototype.paperShift = function(_delta) {
 this.offset = this.offset.add(_delta);
 this.redraw();
-};
+},
+onMouseMove: function(_event) {
-Rkns.Renderer.Scene.prototype.onMouseMove = function(_event) {
 var _off = this.canvas_$.offset(),
 _point = new paper.Point([
 _event.pageX - _off.left,
 _event.pageY - _off.top
 ]),
 _delta = _point.subtract(this.last_point);
 this.last_point = _point;
-if (!this.is_dragging && this.mouse_down && _delta.length > Rkns.Renderer._MIN_DRAG_DISTANCE) {
+if (!this.is_dragging && this.mouse_down && _delta.length > _MIN_DRAG_DISTANCE) {
 this.is_dragging = true;
 }
 var _hitResult = paper.project.hitTest(_point);
 if (this.is_dragging) {
 if (this.click_target && typeof this.click_target.paperShift === "function") {
 }
 } else {
 this.findTarget(_hitResult);
 }
 paper.view.draw();
-};
+},
+onMouseDown: function(_event, _isTouch) {
-Rkns.Renderer.Scene.prototype.onMouseDown = function(_event, _isTouch) {
 var _off = this.canvas_$.offset(),
 _point = new paper.Point([
 _event.pageX - _off.left,
 _event.pageY - _off.top
 ]);
 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 === Rkns.Renderer._CLICKMODE_ADDNODE) {
+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: {
 this.getRepresentationByModel(_node).openEditor();
 }
 }
 }
 if (this.click_mode) {
-if (this.isEditable() && this.click_mode === Rkns.Renderer._CLICKMODE_STARTEDGE && this.click_target && this.click_target.type === "Node") {
+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 = Rkns.Renderer._CLICKMODE_ENDEDGE;
+this.click_mode = _CLICKMODE_ENDEDGE;
 this.notif_$.fadeOut(function() {
-Rkns.$(this).html(_renkan.translate("Click on a second node to complete the edge")).fadeIn();
+$(this).html(_renkan.translate("Click on a second node to complete the edge")).fadeIn();
 });
 } else {
 this.notif_$.hide();
 this.click_mode = false;
 }
 }
 paper.view.draw();
-};
+},
+onMouseUp: function(_event, _isTouch) {
-Rkns.Renderer.Scene.prototype.onMouseUp = function(_event, _isTouch) {
 this.mouse_down = false;
 if (this.click_target) {
 var _off = this.canvas_$.offset();
 this.click_target.mouseup(
 {
 if (_isTouch) {
 this.unselectAll();
 }
 }
 paper.view.draw();
-};
+},
+onScroll: function(_event, _scrolldelta) {
-Rkns.Renderer.Scene.prototype.onScroll = function(_event, _scrolldelta) {
 this.totalScroll += _scrolldelta;
 if (Math.abs(this.totalScroll) >= 1) {
 var _off = this.canvas_$.offset(),
 _delta = new paper.Point([
 _event.pageX - _off.left,
 } else {
 this.setScale( this.scale * Math.SQRT1_2, this.offset.add(_delta.divide(Math.SQRT2)));
 }
 this.totalScroll = 0;
 }
-};
+},
+onDoubleClick: function(_event) {
-Rkns.Renderer.Scene.prototype.onDoubleClick = function(_event) {
 if (!this.isEditable()) {
 return;
 }
 var _off = this.canvas_$.offset(),
 _point = new paper.Point([
 created_by: this.renkan.current_user,
 position: {
 x: _coords.x,
 y: _coords.y
 }
-};
+},
 _node = this.renkan.project.addNode(_data);
 this.getRepresentationByModel(_node).openEditor();
 }
 paper.view.draw();
-};
+},
+dropData: function(_data, _event) {
-Rkns.Renderer.Scene.prototype.dropData = function(_data, _event) {
 if (!this.isEditable()) {
 return;
 }
 if (_data["text/json"] || _data["application/json"]) {
 try {
 catch(e) {}
 }
 var newNode = {};
 switch(_data["text/x-iri-specific-site"]) {
 case "twitter":
-var snippet = Rkns.$('<div>').html(_data["text/x-iri-selected-html"]),
+var snippet = $('<div>').html(_data["text/x-iri-selected-html"]),
 tweetdiv = snippet.find(".tweet");
 newNode.title = _renkan.translate("Tweet by ") + tweetdiv.attr("data-name");
 newNode.uri = "http://twitter.com/" + tweetdiv.attr("data-screen-name") + "/status/" + tweetdiv.attr("data-tweet-id");
 newNode.image = tweetdiv.find(".avatar").attr("src");
 newNode.description = tweetdiv.find(".js-tweet-text:first").text();
 break;
 case "google":
-var snippet = Rkns.$('<div>').html(_data["text/x-iri-selected-html"]);
+var snippet = $('<div>').html(_data["text/x-iri-selected-html"]);
 newNode.title = snippet.find("h3:first").text().trim();
 newNode.uri = snippet.find("h3 a").attr("href");
 newNode.description = snippet.find(".st:first").text().trim();
 break;
 case undefined:
 }
 if (_data["text/plain"] || _data["text/x-iri-selected-text"]) {
 newNode.description = (_data["text/plain"] || _data["text/x-iri-selected-text"]).replace(/[\s\n]+/gm,' ').trim();
 }
 if (_data["text/html"] || _data["text/x-iri-selected-html"]) {
-var snippet = Rkns.$('<div>').html(_data["text/html"] || _data["text/x-iri-selected-html"]);
+var snippet = $('<div>').html(_data["text/html"] || _data["text/x-iri-selected-html"]);
 var _svgimgs = snippet.find("image");
 if (_svgimgs.length) {
 newNode.image = _svgimgs.attr("xlink:href");
 }
 var _svgpaths = snippet.find("path");
 var _node = this.renkan.project.addNode(_nodedata),
 _repr = this.getRepresentationByModel(_node);
 if (_event.type === "drop") {
 _repr.openEditor();
 }
-};
+},
+fullScreen: function() {
-/* *********************************************************
+var _isFull = document.fullScreen || document.mozFullScreen || document.webkitIsFullScreen,
-end of        paper-renderer.js
+_el = this.renkan.$[0],
-************************************************************
+_requestMethods = ["requestFullScreen","mozRequestFullScreen","webkitRequestFullScreen"],
-************************************************************
+_cancelMethods = ["cancelFullScreen","mozCancelFullScreen","webkitCancelFullScreen"];
-start of      full-json.js
+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") {
 _thrSave();
 });
 _load();
 };
+(function(Rkns) {
-/* *********************************************************
+"use strict";
-end of        full-json.js
-************************************************************
+var _ = Rkns._;
-*/
+var Ldt = Rkns.Ldt = {};
+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);
+}
+}
+console.error("No such LDT Bin Type");
+};
+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._init = function(_renkan, _opts) {
+this.renkan = _renkan;
+this.proj_id = _opts.project_id;
+this.ldt_platform = _opts.ldt_platform || "http://ldt.iri.centrepompidou.fr/";
+this.title_$.html(_opts.title);
+this.title_icon_$.addClass('Rk-Ldt-Title-Icon');
+this.refresh();
+};
+ProjectBin.prototype.render = function(searchbase) {
+var search = searchbase || Rkns.Utils.regexpFromTextOrArray();
+function highlight(_text) {
+var _e = _(_text).escape();
+return search.isempty ? _e : search.replace(_e, "<span class='searchmatch'>$1</span>");
+}
+function convertTC(_ms) {
+function pad(_n) {
+var _res = _n.toString();
+while (_res.length < 2) {
+_res = '0' + _res;
+}
+return _res;
+}
+var _totalSeconds = Math.abs(Math.floor(_ms/1000)),
+_hours = Math.floor(_totalSeconds / 3600),
+_minutes = (Math.floor(_totalSeconds / 60) % 60),
+_seconds = _totalSeconds % 60,
+_res = '';
+if (_hours) {
+_res += pad(_hours) + ':';
+}
+_res += pad(_minutes) + ':' + pad(_seconds);
+return _res;
+}
+var _html = '<li><h3>Tags</h3></li>',
+_projtitle = this.data.meta["dc:title"],
+_this = this,
+count = 0;
+_this.title_$.text('LDT Project: "' + _projtitle + '"');
+_(_this.data.tags).map(function(_tag) {
+var _title = _tag.meta["dc:title"];
+if (!search.isempty && !search.test(_title)) {
+return;
+}
+count++;
+_html += _this.tagTemplate({
+ldt_platform: _this.ldt_platform,
+title: _title,
+htitle: highlight(_title),
+encodedtitle : encodeURIComponent(_title),
+static_url: _this.renkan.options.static_url
+});
+});
+_html += '<li><h3>Annotations</h3></li>';
+_(_this.data.annotations).map(function(_annotation) {
+var _description = _annotation.content.description,
+_title = _annotation.content.title.replace(_description,"");
+if (!search.isempty && !search.test(_title) && !search.test(_description)) {
+return;
+}
+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" )
+);
+_html += _this.annotationTemplate({
+ldt_platform: _this.ldt_platform,
+title: _title,
+htitle: highlight(_title),
+description: _description,
+hdescription: highlight(_description),
+start: convertTC(_annotation.begin),
+end: convertTC(_annotation.end),
+duration: convertTC(_duration),
+mediaid: _annotation.media,
+annotationid: _annotation.id,
+image: _img,
+static_url: _this.renkan.options.static_url
+});
+});
+this.main_$.html(_html);
+if (!search.isempty && count) {
+this.count_$.text(count).show();
+} else {
+this.count_$.hide();
+}
+if (!search.isempty && !count) {
+this.$.hide();
+} else {
+this.$.show();
+}
+this.renkan.resizeBins();
+};
+ProjectBin.prototype.refresh = function() {
+var _this = this;
+Rkns.$.ajax({
+url: this.ldt_platform + 'ldtplatform/ldt/cljson/id/' + this.proj_id,
+dataType: "jsonp",
+success: function(_data) {
+_this.data = _data;
+_this.render();
+}
+});
+};
+var Search = Ldt.Search = function(_renkan, _opts) {
+this.renkan = _renkan;
+this.lang = _opts.lang || "en";
+};
+Search.prototype.getBgClass = function() {
+return "Rk-Ldt-Icon";
+};
+Search.prototype.getSearchTitle = function() {
+return this.renkan.translate("Lignes de Temps");
+};
+Search.prototype.search = function(_q) {
+this.renkan.tabs.push(
+new ResultsBin(this.renkan, {
+search: _q
+})
+);
+};
+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._init = function(_renkan, _opts) {
+this.renkan = _renkan;
+this.ldt_platform = _opts.ldt_platform || "http://ldt.iri.centrepompidou.fr/";
+this.max_results = _opts.max_results || 50;
+this.search = _opts.search;
+this.title_$.html('Lignes de Temps: "' + _opts.search + '"');
+this.title_icon_$.addClass('Rk-Ldt-Title-Icon');
+this.refresh();
+};
+ResultsBin.prototype.render = function(searchbase) {
+if (!this.data) {
+return;
+}
+var search = searchbase || Rkns.Utils.regexpFromTextOrArray();
+var highlightrx = (search.isempty ? Rkns.Utils.regexpFromTextOrArray(this.search) : search);
+function highlight(_text) {
+return highlightrx.replace(_(_text).escape(), "<span class='searchmatch'>$1</span>");
+}
+function convertTC(_ms) {
+function pad(_n) {
+var _res = _n.toString();
+while (_res.length < 2) {
+_res = '0' + _res;
+}
+return _res;
+}
+var _totalSeconds = Math.abs(Math.floor(_ms/1000)),
+_hours = Math.floor(_totalSeconds / 3600),
+_minutes = (Math.floor(_totalSeconds / 60) % 60),
+_seconds = _totalSeconds % 60,
+_res = '';
+if (_hours) {
+_res += pad(_hours) + ':';
+}
+_res += pad(_minutes) + ':' + pad(_seconds);
+return _res;
+}
+var _html = '',
+_this = this,
+count = 0;
+_(this.data.objects).each(function(_segment) {
+var _description = _segment.abstract,
+_title = _segment.title;
+if (!search.isempty && !search.test(_title) && !search.test(_description)) {
+return;
+}
+count++;
+var _duration = _segment.duration,
+_begin = _segment.start_ts,
+_end = + _segment.duration + _begin,
+_img = (
+_duration
+? _this.renkan.options.static_url + "img/ldt-segment.png"
+: _this.renkan.options.static_url + "img/ldt-point.png"
+);
+_html += _this.segmentTemplate({
+ldt_platform: _this.ldt_platform,
+title: _title,
+htitle: highlight(_title),
+description: _description,
+hdescription: highlight(_description),
+start: convertTC(_begin),
+end: convertTC(_end),
+duration: convertTC(_duration),
+mediaid: _segment.iri_id,
+//projectid: _segment.project_id,
+//cuttingid: _segment.cutting_id,
+annotationid: _segment.element_id,
+image: _img
+});
+});
+this.main_$.html(_html);
+if (!search.isempty && count) {
+this.count_$.text(count).show();
+} else {
+this.count_$.hide();
+}
+if (!search.isempty && !count) {
+this.$.hide();
+} else {
+this.$.show();
+}
+this.renkan.resizeBins();
+};
+ResultsBin.prototype.refresh = function() {
+var _this = this;
+Rkns.$.ajax({
+url: this.ldt_platform + 'ldtplatform/api/ldt/1.0/segments/search/',
+data: {
+format: "jsonp",
+q: this.search,
+limit: this.max_results
+},
+dataType: "jsonp",
+success: function(_data) {
+_this.data = _data;
+_this.render();
+}
+});
+};
+})(window.Rkns);
+Rkns.ResourceList = {};
+Rkns.ResourceList.Bin = Rkns.Utils.inherit(Rkns._BaseBin);
+Rkns.ResourceList.Bin.prototype.resultTemplate = Rkns._.template(
+'<li class="Rk-Bin-Item Rk-ResourceList-Item" draggable="true" data-uri="<%-url%>" '
++ 'data-title="<%-title%>" data-description="<%-description%>" '
++ '<% if (image) { %>data-image="<%- Rkns.Utils.getFullURL(image) %>"<% } else { %>data-image=""<% } %> >'
++ '<% if (image) { %><img class="Rk-ResourceList-Image" src="<%-image%>"/><% } %><h4 class="Rk-ResourceList-Title">'
++ '<% if (url) { %><a href="<%-url%>" target="_blank"><% } %><%=htitle%><% if (url) { %></a><% } %></h4>'
++ '<% if (description) { %><p class="Rk-ResourceList-Description"><%=hdescription%></p><% } %><% if (image) { %><div style="clear: both;"></div><% } %></li>'
+);
+Rkns.ResourceList.Bin.prototype._init = function(_renkan, _opts) {
+this.renkan = _renkan;
+this.title_$.html(_opts.title);
+if (_opts.list) {
+this.data = _opts.list;
+}
+this.refresh();
+};
+Rkns.ResourceList.Bin.prototype.render = function(searchbase) {
+var search = searchbase || Rkns.Utils.regexpFromTextOrArray();
+function highlight(_text) {
+var _e = _(_text).escape();
+return search.isempty ? _e : search.replace(_e, "<span class='searchmatch'>$1</span>");
+}
+var _html = "",
+_this = this,
+count = 0;
+Rkns._(this.data).each(function(_item) {
+if (typeof _item === "string") {
+if (/^(https?:\/\/|www)/.test(_item)) {
+var _element = { url: _item };
+} else {
+var _element = { title: _item.replace(/[:,]?\s?(https?:\/\/|www)[\d\w\/.&?=#%-_]+\s?/,'').trim() },
+_match = _item.match(/(https?:\/\/|www)[\d\w\/.&?=#%-_]+/);
+if (_match) {
+_element.url = _match[0];
+}
+if (_element.title.length > 80) {
+_element.description = _element.title;
+_element.title = _element.title.replace(/^(.{30,60})\s.+$/,'$1…');
+}
+}
+} else {
+var _element = _item;
+}
+var title = _element.title || (_element.url || "").replace(/^https?:\/\/(www\.)?/,'').replace(/^(.{40}).+$/,'$1…'),
+url = _element.url || "",
+description = _element.description || "",
+image = _element.image || "";
+if (url && !/^https?:\/\//.test(url)) {
+url = 'http://' + url;
+}
+if (!search.isempty && !search.test(title) && !search.test(description)) {
+return;
+}
+count++;
+_html += _this.resultTemplate({
+url: url,
+title: title,
+htitle: highlight(title),
+image: image,
+description: description,
+hdescription: highlight(description),
+static_url: _this.renkan.options.static_url
+});
+});
+_this.main_$.html(_html);
+if (!search.isempty && count) {
+this.count_$.text(count).show();
+} else {
+this.count_$.hide();
+}
+if (!search.isempty && !count) {
+this.$.hide();
+} else {
+this.$.show();
+}
+this.renkan.resizeBins();
+};
+Rkns.ResourceList.Bin.prototype.refresh = function() {
+if (this.data) {
+this.render();
+}
+};Rkns.Wikipedia = {
+};
+Rkns.Wikipedia.Search = function(_renkan, _opts) {
+this.renkan = _renkan;
+this.lang = _opts.lang || "en";
+};
+Rkns.Wikipedia.Search.prototype.getBgClass = function() {
+return "Rk-Wikipedia-Search-Icon Rk-Wikipedia-Lang-" + this.lang;
+};
+Rkns.Wikipedia.Search.prototype.getSearchTitle = function() {
+var langs = {
+"fr": "French",
+"en": "English",
+"ja": "Japanese"
+};
+if (langs[this.lang]) {
+return this.renkan.translate("Wikipedia in ") + this.renkan.translate(langs[this.lang]);
+} else {
+return this.renkan.translate("Wikipedia") + " [" + this.lang + "]";
+}
+};
+Rkns.Wikipedia.Search.prototype.search = function(_q) {
+this.renkan.tabs.push(
+new Rkns.Wikipedia.Bin(this.renkan, {
+lang: this.lang,
+search: _q
+})
+);
+};
+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._init = function(_renkan, _opts) {
+this.renkan = _renkan;
+this.search = _opts.search;
+this.lang = _opts.lang || "en";
+this.title_icon_$.addClass('Rk-Wikipedia-Title-Icon Rk-Wikipedia-Lang-' + this.lang);
+this.title_$.html(this.search).addClass("Rk-Wikipedia-Title");
+this.refresh();
+};
+Rkns.Wikipedia.Bin.prototype.render = function(searchbase) {
+var search = searchbase || Rkns.Utils.regexpFromTextOrArray();
+var highlightrx = (search.isempty ? Rkns.Utils.regexpFromTextOrArray(this.search) : search);
+function highlight(_text) {
+return highlightrx.replace(_(_text).escape(), "<span class='searchmatch'>$1</span>");
+}
+var _html = "",
+_this = this,
+count = 0;
+Rkns._(this.data.query.search).each(function(_result) {
+var title = _result.title,
+url = "http://" + _this.lang + ".wikipedia.org/wiki/" + encodeURI(title.replace(/ /g,"_")),
+description = Rkns.$('<div>').html(_result.snippet).text();
+if (!search.isempty && !search.test(title) && !search.test(description)) {
+return;
+}
+count++;
+_html += _this.resultTemplate({
+url: url,
+title: title,
+htitle: highlight(title),
+description: description,
+hdescription: highlight(description),
+static_url: _this.renkan.options.static_url
+});
+});
+_this.main_$.html(_html);
+if (!search.isempty && count) {
+this.count_$.text(count).show();
+} else {
+this.count_$.hide();
+}
+if (!search.isempty && !count) {
+this.$.hide();
+} else {
+this.$.show();
+}
+this.renkan.resizeBins();
+};
+Rkns.Wikipedia.Bin.prototype.refresh = function() {
+var _this = this;
+Rkns.$.ajax({
+url: "http://" + _this.lang + ".wikipedia.org/w/api.php?action=query&list=search&srsearch=" + encodeURIComponent(this.search) + "&format=json",
+dataType: "jsonp",
+success: function(_data) {
+_this.data = _data;
+_this.render();
+}
+});
+};

ds_mooc_demo