renkan: comparison client/js/paper-renderer.js

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client/js/paper-renderer.js

changeset 187	ba5022639c76
parent 185	ad8c900d87e5
child 189	f7b5ae0d2681

equal deleted inserted replaced

-:a260675bdef7
+:ba5022639c76
-Rkns.Renderer = {
+/* paper-renderer.js */
-_MIN_DRAG_DISTANCE: 2,
-_NODE_BUTTON_WIDTH: 40,
+(function() {
-_EDGE_BUTTON_INNER: 2,
-_EDGE_BUTTON_OUTER: 40,
+var Rkns = this.Rkns;
-_CLICKMODE_ADDNODE : 1,
-_CLICKMODE_STARTEDGE : 2,
+var Renderer = Rkns.Renderer = {},
-_CLICKMODE_ENDEDGE : 3,
+_MIN_DRAG_DISTANCE = 2,
-_IMAGE_MAX_KB : 500,
+_NODE_BUTTON_WIDTH = 40,
-_NODE_SIZE_STEP: Math.LN2/4,
+_EDGE_BUTTON_INNER = 2,
-_MIN_SCALE: 1/20,
+_EDGE_BUTTON_OUTER = 40,
-_MAX_SCALE: 20,
+_CLICKMODE_ADDNODE = 1,
-_MOUSEMOVE_RATE: 80,
+_CLICKMODE_STARTEDGE = 2,
-_DOUBLETAP_DELAY: 800,
+_CLICKMODE_ENDEDGE = 3,
-_DOUBLETAP_DISTANCE: 20*20,
+_IMAGE_MAX_KB = 500,
-_USER_PLACEHOLDER : function(_renkan) {
+_NODE_SIZE_STEP = Math.LN2/4,
+_MIN_SCALE = 1/20,
+_MAX_SCALE = 20,
+_MOUSEMOVE_RATE = 80,
+_DOUBLETAP_DELAY = 800,
+_DOUBLETAP_DISTANCE = 20*20,
+_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) {
+_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) {
+shortenText = function(_text, _maxlength) {
 return (_text.length > _maxlength ? (_text.substr(0,_maxlength) + '…') : _text);
 },
-drawEditBox : function(_options, _coords, _path, _xmargin, _selector) {
+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;
-}
+};
-};
+var _BaseRepresentation = Renderer._BaseRepresentation = function(_renderer, _model) {
-Rkns.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._(_BaseRepresentation.prototype).extend({
-Rkns.Renderer._BaseRepresentation.prototype[_func].apply(this, Array.prototype.slice.call(arguments, 1));
+super: function(_func) {
-};
+_BaseRepresentation.prototype[_func].apply(this, Array.prototype.slice.call(arguments, 1));
+},
-Rkns.Renderer._BaseRepresentation.prototype.redraw = function() {};
+redraw: function() {},
+moveTo: function() {},
-Rkns.Renderer._BaseRepresentation.prototype.moveTo = function() {};
+show: function() {},
+hide: function() {},
-Rkns.Renderer._BaseRepresentation.prototype.show = function() {};
+select: function() {
+if (this.model) {
-Rkns.Renderer._BaseRepresentation.prototype.hide = function() {};
+this.model.trigger("selected");
+}
-Rkns.Renderer._BaseRepresentation.prototype.select = function() {
+},
-if (this.model) {
+unselect: function() {
-this.model.trigger("selected");
+if (this.model) {
-}
+this.model.trigger("unselected");
-};
+}
+},
-Rkns.Renderer._BaseRepresentation.prototype.unselect = function() {
+highlight: function() {},
-if (this.model) {
+unhighlight: function() {},
-this.model.trigger("unselected");
+mousedown: function() {},
-}
+mouseup: function() {
-};
+if (this.model) {
+this.model.trigger("clicked");
-Rkns.Renderer._BaseRepresentation.prototype.highlight = function() {};
+}
+},
-Rkns.Renderer._BaseRepresentation.prototype.unhighlight = function() {};
+destroy: function() {
+if (this.model) {
-Rkns.Renderer._BaseRepresentation.prototype.mousedown = function() {};
+this.model.off("change", this._changeBinding );
+this.model.off("remove", this._removeBinding );
-Rkns.Renderer._BaseRepresentation.prototype.mouseup = function() {
+this.model.off("select", this._selectBinding );
-if (this.model) {
+this.model.off("unselect", this._unselectBinding );
-this.model.trigger("clicked");
+}
 }
-};
+});
-Rkns.Renderer._BaseRepresentation.prototype.destroy = function() {
-if (this.model) {
-this.model.off("change", this._changeBinding );
-this.model.off("remove", this._removeBinding );
-this.model.off("select", this._selectBinding );
-this.model.off("unselect", this._unselectBinding );
-}
-};
 /* */
-Rkns.Renderer._BaseButton = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
+var _BaseButton = Renderer._BaseButton = Rkns.Utils.inherit(_BaseRepresentation);
-Rkns.Renderer._BaseButton.prototype.moveTo = function(_pos) {
+Rkns._(_BaseButton.prototype).extend({
+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();
-};
+}
+});
 /* */
-Rkns.Renderer.Node = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
+var NodeRepr = Renderer.Node = Rkns.Utils.inherit(_BaseRepresentation);
-Rkns.Renderer.Node.prototype._init = function() {
+Rkns._(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.h_ratio = 0;
 }
 this.title = Rkns.$('<div class="Rk-Label">').appendTo(this.renderer.labels_$);
 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);
 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);
 });
 repr.redraw();
 }
 }, this);
 }
-};
+},
+showImage: function() {
-Rkns.Renderer.Node.prototype.showImage = function() {
 if (typeof this.renderer.image_cache[this.img] === "undefined") {
 var _image = new Image();
 this.renderer.image_cache[this.img] = _image;
 _image.src = this.img;
 } else {
 var _this = this;
 Rkns.$(_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();
 if (this.renderer.minimap) {
 this.minimap_circle.strokeWidth = this.options.minimap_highlight_weight;
 this.minimap_circle.strokeColor = this.options.minimap_highlight_color;
 }
 this.super("select");
-};
+},
+unselect: function(_newTarget) {
-Rkns.Renderer.Node.prototype.unselect = function(_newTarget) {
 if (!_newTarget || _newTarget.source_representation !== this) {
 this.selected = false;
 this.all_buttons.forEach(function(b) {
 b.hide();
 });
 if (this.renderer.minimap) {
 this.minimap_circle.strokeColor = undefined;
 }
 this.super("unselect");
 }
-};
+},
+highlight: function() {
-Rkns.Renderer.Node.prototype.highlight = function() {
 if (this.highlighted) {
 return;
 }
 this.highlighted = true;
 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.all_buttons.forEach(function(b) {
 b.destroy();
 });
 this.circle.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() {
+Rkns._(Edge.prototype).extend({
+_init: function() {
 this.renderer.edge_layer.activate();
 this.type = "Edge";
 this.from_representation = this.renderer.getRepresentationByModel(this.model.get("from"));
 this.to_representation = this.renderer.getRepresentationByModel(this.model.get("to"));
 this.bundle = this.renderer.addToBundles(this);
 this.arrow.__representation = this;
 this.text = Rkns.$('<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");
-};
+},
+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");
 }
-};
+},
+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.line.remove();
 this.arrow.remove();
 this.text.remove();
 if (this.renderer.minimap) {
 });
 var _this = this;
 this.bundle.edges = Rkns._(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() {
+Rkns._(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() {
+Rkns._(_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];});
 this.editor_block.add.apply(this.editor_block, _pts);
 .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(
+Rkns._(NodeEditor.prototype).extend({
+template: Rkns._.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><% } %>'
 + '<% _(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><% } %>'
 + '<% 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: Rkns._.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 (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);
 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 > (_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 ")+_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", $(this).attr("data-color"));
 });
 }
 this.editor_$.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(
+Rkns._(EdgeEditor.prototype).extend({
+template: Rkns._.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>'
 + '"<% 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">'
 + '<% _(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><% } %>'
 + '<% 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: Rkns._.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,
+shortenText: shortenText,
 options: this.options,
 }));
 this.redraw();
 var _this = this,
 closeEditor = function() {
 _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() {
+Rkns._(_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() {
+Rkns._(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() {
+Rkns._(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() {
+Rkns._(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() {
+Rkns._(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() {
+Rkns._(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() {
+Rkns._(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() {
+Rkns._(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() {
+Rkns._(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() {
+Rkns._(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) {
+Rkns._(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.$(".Rk-Render");
 this.representations = [];
 this.$.html(this.template(_renkan));
 this.onStatusChange();
 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() {
 paper.view.draw();
 }).throttle(100);
 _this.icon_cache[imgname] = img;
 });
 var throttledMouseMove = _.throttle(function(_event, _isTouch) {
 _this.onMouseMove(_event, _isTouch);
-}, Rkns.Renderer._MOUSEMOVE_RATE);
+}, _MOUSEMOVE_RATE);
 this.canvas_$.on({
 mousedown: function(_event) {
 _event.preventDefault();
 _this.onMouseDown(_event, false);
 touchstart: function(_event) {
 _event.preventDefault();
 var _touches = _event.originalEvent.touches[0];
 if (
 _renkan.options.allow_double_click
-&& new Date() - _lastTap < Rkns.Renderer._DOUBLETAP_DELAY
+&& new Date() - _lastTap < _DOUBLETAP_DELAY
-&& ( Math.pow(_lastTapX - _touches.pageX, 2) + Math.pow(_lastTapY - _touches.pageY, 2) < Rkns.Renderer._DOUBLETAP_DISTANCE )
+&& ( Math.pow(_lastTapX - _touches.pageX, 2) + Math.pow(_lastTapY - _touches.pageY, 2) < _DOUBLETAP_DISTANCE )
 ) {
 _lastTap = 0;
 _this.onDoubleClick(_touches);
 } else {
 _lastTap = new Date();
 }
 }
 }
 });
 this.$.find(".Rk-AddNode-Button").click(function() {
-if (_this.click_mode === Rkns.Renderer._CLICKMODE_ADDNODE) {
+if (_this.click_mode === _CLICKMODE_ADDNODE) {
 _this.click_mode = false;
 _this.notif_$.hide();
 } else {
-_this.click_mode = Rkns.Renderer._CLICKMODE_ADDNODE;
+_this.click_mode = _CLICKMODE_ADDNODE;
 _this.notif_$.text(_renkan.translate("Click on the background canvas to add a node")).fadeIn();
 }
 });
 this.$.find(".Rk-AddEdge-Button").click(function() {
-if (_this.click_mode === Rkns.Renderer._CLICKMODE_STARTEDGE || _this.click_mode === Rkns.Renderer._CLICKMODE_ENDEDGE) {
+if (_this.click_mode === _CLICKMODE_STARTEDGE || _this.click_mode === _CLICKMODE_ENDEDGE) {
 _this.click_mode = false;
 _this.notif_$.hide();
 } else {
-_this.click_mode = Rkns.Renderer._CLICKMODE_STARTEDGE;
+_this.click_mode = _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)
 }, 2000);
 }
 };
-Rkns.Renderer.Scene.prototype.template = Rkns._.template(
+Rkns._(Scene.prototype).extend({
+template: Rkns._.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>'
 + '<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.editor_mode) { %>'
 + '<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>'
 + '<% 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.$.find(".Rk-TopBar").height();
 }
 paper.view.viewSize = new paper.Size([w, h]);
 if (_autoscale) {
 this.autoScale();
 }
-};
+},
+drawSector: function(_repr, _inR, _outR, _startAngle, _endAngle, _padding, _imgname, _caption) {
-Rkns.Renderer.Scene.prototype.drawSector = function(_repr, _inR, _outR, _startAngle, _endAngle, _padding, _imgname, _caption) {
 var _options = this.renkan.options,
 _startRads = _startAngle * Math.PI / 180,
 _endRads = _endAngle * Math.PI / 180,
 _img = this.icon_cache[_imgname],
 _span = _endRads - _startRads,
 } else {
 Rkns.$(_img).on("load",showImage);
 }
 return _res;
-};
+},
+addToBundles: function(_edgeRepr) {
-Rkns.Renderer.Scene.prototype.addToBundles = function(_edgeRepr) {
 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 )
 );
 }
 };
 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 {
 savebtn.removeClass("disabled Rk-Save-ReadOnly").addClass("Rk-Save-Online");
 tip.text(this.renkan.translate("Auto-save enabled"));
 }
 }
-};
+},
+setScale: function(_newScale, _offset) {
-Rkns.Renderer.Scene.prototype.setScale = function(_newScale, _offset) {
+if (_newScale > _MIN_SCALE && _newScale < _MAX_SCALE) {
-if (_newScale > Rkns.Renderer._MIN_SCALE && _newScale < Rkns.Renderer._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.max(_MIN_SCALE, Math.min(_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)));
 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: Rkns._.template(
-Rkns.Renderer.Scene.prototype.userTemplate = Rkns._.template(
 '<li class="Rk-User"><span class="Rk-UserColor" style="background:<%=background%>;"></span><%=name%></li>'
-);
+),
+addUser: function(_user) {
-Rkns.Renderer.Scene.prototype.addUser = function(_user) {
 if (_user.get("_id") === this.renkan.current_user) {
 this.$.find(".Rk-CurrentUser-Name").text(_user.get("title"));
 this.$.find(".Rk-CurrentUser-Color").css("background", _user.get("color"));
 } else {
 this.$.find(".Rk-UserList").append(
 background: _user.get("color")
 })
 )
 );
 }
-};
+},
+removeRepresentation: function(_representation) {
-Rkns.Renderer.Scene.prototype.removeRepresentation = function(_representation) {
 _representation.destroy();
 this.representations = Rkns._(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 _repr.model === _model;
 });
-};
+},
+removeRepresentationsOfType: function(_type) {
-Rkns.Renderer.Scene.prototype.removeRepresentationsOfType = function(_type) {
 var _representations = Rkns._(this.representations).filter(function(_repr) {
 return _repr.type == _type;
 }),
 _this = this;
 Rkns._(_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) {
 Rkns._(this.representations).each(function(_repr) {
 _repr.unhighlight();
 });
-};
+},
+unselectAll: function(_model) {
-Rkns.Renderer.Scene.prototype.unselectAll = function(_model) {
 Rkns._(this.representations).each(function(_repr) {
 _repr.unselect();
 });
-};
+},
+redraw: function() {
-Rkns.Renderer.Scene.prototype.redraw = function() {
 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();
 });
 } 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([
 };
 _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 {
 var _node = this.renkan.project.addNode(_nodedata),
 _repr = this.getRepresentationByModel(_node);
 if (_event.type === "drop") {
 _repr.openEditor();
 }
-};
+}
+});
+}).call(window);
+/* END paper-renderer.js */

renkan