Code containing setup for TinyMCE editor

daigramly.js

/*
 * $Id: Diagramly.js,v 1.80 2013/05/31 13:17:27 david Exp $
 * Copyright (c) 2006-2010, JGraph Ltd
 */
// For compatibility with open servlet on GAE
function setCurrentXml(data, filename)
{
  if (window.parent != null && window.parent.openFile != null)
	{
		window.parent.openFile.setData(data, filename);
	}
};

(function()
{
	// -----------------------------------------------
	// Experimental code for rich text in-place editor
	// -----------------------------------------------
	if (!touchStyle && urlParams['tiny'] != '0')
	{
		var mxCellEditorStartEditing = mxCellEditor.prototype.startEditing;
		mxCellEditor.prototype.startEditing = function(cell, trigger)
		{
			// First run cannot set display before supercall because textarea is lazy created
			// Lazy instantiates textarea to save memory in IE
			if (this.textarea == null)
			{
				this.init();
			}
			
			var state = this.graph.view.getState(cell);

			if (state != null && state.style['html'] == 1 && typeof(tinyMCE) != 'undefined')
			{
				this.textarea.style.display = 'none';
			}
			else
			{
				this.textarea.style.display = 'block';
			}
			
			mxCellEditorStartEditing.apply(this, arguments);
						
			// Replaces linefeeds for richt text editing
			if (this.textarea.style.display == 'none')
			{
				var tbHeight = (mxClient.IS_IE || urlParams['tiny'] == '2') ? 90 : 30;
								
				this.text2 = document.createElement('textarea');
				this.text2.setAttribute('id', 'mxCellEditor1');
				this.text2.style.position = 'absolute';
				this.text2.style.visibility = 'hidden';
				this.text2.className = 'mxCellEditor';
				this.text2.value = this.textarea.value.replace(/\n/g, '<br/>');

				var div = document.createElement('div');
				div.style.position = 'absolute';
				
				if (this.graph.getModel().isEdge(cell))
				{
					this.text2.style.width = (parseInt(this.textarea.style.width) + 16) + 'px';
					this.text2.style.height = (parseInt(this.textarea.style.height) + tbHeight + 14) + 'px';
					div.style.left = (parseInt(this.textarea.style.left) - 8) + 'px';
					div.style.top = Math.max(0, (parseInt(this.textarea.style.top) - tbHeight)) + 'px';
				}
				else
				{
					this.text2.style.width = state.width + 'px';
					this.text2.style.height = (state.height + tbHeight + 14) + 'px';
					div.style.left = state.x + 'px';
					div.style.top = (state.y - tbHeight) + 'px';
				}

				div.appendChild(this.text2);
				this.graph.container.appendChild(div);
				this.wrapperDiv = div;

				if (this.installedListener == null)
				{
					tinyMCE.onAddEditor.add(mxUtils.bind(this, function(mgr, ed)
					{
						// Applies current style as default settings
						ed.onInit.add(mxUtils.bind(this, function(ed)
						{
							var style = ed.getBody().style;

							if (style != null)
							{
								style.fontSize = this.textarea.style.fontSize;
								style.fontFamily = this.textarea.style.fontFamily;
								style.textAlign = this.textarea.style.textAlign;
								style.color = this.textarea.style.color;
								style.fontWeight = this.textarea.style.fontWeight;
								style.background = 'transparent';
								style.margin = '2px';
								
								ed.getBody().focus();
							}
						}));
					}));

					mxEvent.addListener(document, 'mousedown', mxUtils.bind(this, function(evt)
					{
						if (this.wrapperDiv != null)
						{
							var node = mxEvent.getSource(evt);
							
							while (node != this.wrapperDiv && node != null && node != this.graph.container)
							{
								node = node.parentNode;
							}
	
							if (node == this.graph.container)
							{
								this.graph.cellEditor.stopEditing(!this.graph.isInvokesStopCellEditing());
							}
						}
					}));

					this.installedListener = true;
				}

				window.setTimeout(function()
				{
					tinyMCE.execCommand('mceAddControl', true, 'mxCellEditor1');
				}, 0);
			}
			else
			{
				this.textarea.focus();
				this.textarea.select();
			}
		};
		
		var mxCellEditorStopEditing = mxCellEditor.prototype.stopEditing;
		mxCellEditor.prototype.stopEditing = function(cancel)
		{
			if (this.wrapperDiv != null)
			{
				var editor = tinyMCE.get('mxCellEditor1');
		
				if (editor != null)
				{
					var content = editor.getContent();
					
					if (this.textarea.value != content)
					{
						// FIXME: Roundtrip for newlines in IE
						this.textarea.value = content.replace(/\n/g, '');
						this.setModified(true);
					}
				}
			}
			
			mxCellEditorStopEditing.apply(this, arguments);
			
			if (this.wrapperDiv != null)
			{
				tinyMCE.execCommand('mceRemoveControl',false,'mxCellEditor1');
				this.wrapperDiv.parentNode.removeChild(this.wrapperDiv);
				this.wrapperDiv = null;
			}
		};
		
		var mxCellEditorFocusLost = mxCellEditor.prototype.focusLost;
		mxCellEditor.prototype.focusLost = function()
		{
			var state = this.graph.getView().getState(this.editingCell);
			
			if (state != null && (state.style['html'] != 1 || typeof(tinyMCE) == 'undefined'))
			{
				mxCellEditorFocusLost.apply(this, arguments);
			}
		};
		
		// Creates function to apply value
		ColorDialog.prototype.createApplyFunction = function()
		{
			return mxUtils.bind(this, function(color)
			{
				var graph = this.editorUi.editor.graph;
				var active = typeof(tinyMCE) != 'undefined' && graph.isEditing() && graph.isHtmlLabel(graph.cellEditor.getEditingCell());

				if (active && this.currentColorKey == 'fontColor')
				{
					tinyMCE.execCommand('forecolor', false, color);
				}
				else if (active && this.currentColorKey == 'labelBackgroundColor')
				{
					tinyMCE.execCommand('backcolor', false, color);
				}
				else
				{
					this.editorUi.editor.graph.setCellStyles(this.currentColorKey, (color == 'none') ? 'none' : color);					
				}
			});
		};
		
		// Extends style change to redirect to tinyMCE
		Menus.prototype.styleChange = function(menu, label, keys, values, sprite, parent)
		{
			return menu.addItem(label, null, mxUtils.bind(this, function()
			{
				var graph = this.editorUi.editor.graph;
				var active = typeof(tinyMCE) != 'undefined' && graph.isEditing() && graph.isHtmlLabel(graph.cellEditor.getEditingCell());

				if (active && keys[0] == 'fontFamily')
				{
					tinyMCE.execCommand('fontname', false, values[0]);
				}
				else if (active && keys[0] == 'fontSize')
				{
					tinyMCE.execCommand('fontsize', false, values[0]);
				}
				else if (active && keys[0] == 'fontColor')
				{
					tinyMCE.execCommand('forecolor', false, values[0]);
				}
				else if (active && keys[0] == 'align' && values[0] == 'left')
				{
					tinyMCE.execCommand('justifyleft', false, values[0]);
				}
				else if (active && keys[0] == 'align' && values[0] == 'center')
				{
					tinyMCE.execCommand('justifycenter', false, values[0]);
				}
				else if (active && keys[0] == 'align' && values[0] == 'right')
				{
					tinyMCE.execCommand('justifyright', false, values[0]);
				}
				else
				{
					var graph = this.editorUi.editor.graph;
					
					graph.getModel().beginUpdate();
					try
					{
						for (var i = 0; i < keys.length; i++)
						{
							graph.setCellStyles(keys[i], values[i]);
						}
					}
					finally
					{
						graph.getModel().endUpdate();
					}
				}
			}), parent, sprite);
		};
	}
	// ------------------------------------------------------
	// End of Experimental code for rich text in-place editor
	// ------------------------------------------------------

	// Adds or overrides menus
	var menusInit = Menus.prototype.init;
	Menus.prototype.init = function()
	{
		menusInit.apply(this, arguments);
		var graph = this.editorUi.editor.graph;
		var editorUi = this.editorUi;

		this.editorUi.actions.put('new', new Action(mxResources.get('blankDrawing'), mxUtils.bind(this, function()
		{
			window.open(this.editorUi.getUrl());
		})));
		
		this.editorUi.actions.put('newCopy', new Action(mxResources.get('copyOfDrawing'), mxUtils.bind(this, function()
		{
			window.openFile = new OpenFile(mxUtils.bind(this, function()
			{
				this.editorUi.hideDialog();
				window.openFile = null;
			}));
			
			window.openFile.setData(mxUtils.getXml(this.editorUi.editor.getGraphXml()), null);
			window.open(this.editorUi.getUrl());
		})));
		
		this.editorUi.actions.addAction('fromTemplate', mxUtils.bind(this, function()
		{
			this.editorUi.showDialog(new NewDialog(this.editorUi).container, 680, 540, true, true);
			this.editorUi.dialog.container.style.overflow = 'auto';
		}));
		
		if (urlParams['nerd'] == '1')
		{
			this.editorUi.actions.addAction('fromText', mxUtils.bind(this, function()
			{
				this.editorUi.showDialog(new ParseDialog(this.editorUi).container, 620, 420, true, true);
				this.editorUi.dialog.container.style.overflow = 'auto';
			}));
		}

		// Redirect formatting actions to tinyMce
		var redirectFormatAction = mxUtils.bind(this, function(actionName, cmdName)
		{
			var oldAction = this.editorUi.actions.get(actionName);
			
			this.editorUi.actions.addAction(actionName, mxUtils.bind(this, function()
			{
				var graph = this.editorUi.editor.graph;
				
				if (tinyMCE != null && graph.isEditing() && graph.isHtmlLabel(graph.cellEditor.getEditingCell()))
				{
					tinyMCE.execCommand(cmdName);
				}
				else
				{
					oldAction.funct.apply(this, arguments);
				}
			}));
		});
		
		redirectFormatAction('bold', 'bold');
		redirectFormatAction('italic', 'italic');
		redirectFormatAction('underline', 'underline');
		redirectFormatAction('cut', 'cut');
		redirectFormatAction('copy', 'copy');
		redirectFormatAction('paste', 'paste');
		redirectFormatAction('undo', 'undo');
		redirectFormatAction('redo', 'redo');
		redirectFormatAction('selectAll', 'selectall');
 
		this.editorUi.actions.addAction('export', mxUtils.bind(this, function()
		{
			this.editorUi.showDialog(new ExportDialog(this.editorUi).container, 300, 220, true, true);
		}), null, null, 'Ctrl+E');
		
		this.editorUi.actions.put('about', new Action(mxResources.get('aboutDrawio'), mxUtils.bind(this, function()
		{
			this.editorUi.showDialog(new AboutDialog(this.editorUi).container, 300, 344, true, true);
		}), null, null, 'F1'));
		this.editorUi.actions.put('help', new Action('Support', mxUtils.bind(this, function()
		{
			window.open('http://support.draw.io');
		})));
		this.editorUi.actions.put('video', new Action('Video Tutorial', mxUtils.bind(this, function()
		{
			window.open('http://youtu.be/d-Nf0uNsR8w');
		})));
		
		this.editorUi.actions.put('gPlusCommunity', new Action('Google+ Community', mxUtils.bind(this, function()
		{
			window.open('https://plus.google.com/b/100634082864796769666/communities/103111053636844545203');
		})));
		this.editorUi.actions.put('stackExchange', new Action('draw.io @ StackExchange', mxUtils.bind(this, function()
		{
			window.open('http://webapps.stackexchange.com/questions/tagged/draw.io');
		})));
		this.editorUi.actions.put('status', new Action('Status', mxUtils.bind(this, function()
		{
			window.open('http://status.draw.io/');
		})));
		this.editorUi.actions.addAction('image', function()
		{
			function updateImage(value, w, h)
			{
				var select = null;
				var cells = graph.getSelectionCells();
				
				graph.getModel().beginUpdate();
	        	try
	        	{
	        		// Inserts new cell if no cell is selected
	    			if (cells.length == 0)
	    			{
	    				var gs = graph.getGridSize();
	    				cells = [graph.insertVertex(graph.getDefaultParent(), null, '', gs, gs, w, h)];
	    				select = cells;
	    			}
	    			
	        		graph.setCellStyles(mxConstants.STYLE_IMAGE, value, cells);
		        	graph.setCellStyles(mxConstants.STYLE_SHAPE, 'image', cells);
		        	
		        	if (graph.getSelectionCount() == 1)
		        	{
			        	if (w != null && h != null)
			        	{
			        		var cell = cells[0];
			        		var geo = graph.getModel().getGeometry(cell);
			        		
			        		if (geo != null)
			        		{
			        			geo = geo.clone();
				        		geo.width = w;
				        		geo.height = h;
				        		graph.getModel().setGeometry(cell, geo);
			        		}
			        	}
		        	}
	        	}
	        	finally
	        	{
	        		graph.getModel().endUpdate();
	        	}
	        	
	        	if (select != null)
	        	{
	        		graph.setSelectionCells(select);
	        		graph.scrollCellToVisible(select[0]);
	        	}
			};
			
			if (typeof(google) != 'undefined' && typeof(google.picker) != 'undefined')
			{
				// Note: Photos and Upload requires login
				var picker = new google.picker.PickerBuilder().
		            addView(google.picker.ViewId.IMAGE_SEARCH);
				
				// Extended picker adds image upload
				if (!mxIntegration.loggedOut || urlParams['picker'] == '2')
				{
					var view = new google.picker.View(google.picker.ViewId.DOCS);
				    view.setMimeTypes('image/png,image/jpeg,image/jpg');
				    picker.addView(view);
				    picker.addView(google.picker.ViewId.PHOTO_UPLOAD);
					picker.addView(google.picker.ViewId.PHOTOS);
				}
				else
				{
					picker.enableFeature(google.picker.Feature.NAV_HIDDEN);
				}
				
				var wnd = picker.setCallback(function(data)
				{
			        if (data.action == google.picker.Action.PICKED)
			        {
			        	// Larger images are at this index: data.docs[0].thumbnails.length - 1
			        	var thumb = data.docs[0].thumbnails[0];
			        	var i = 0;
			        	
			        	while (thumb.width < 100 && thumb.height < 100 &&
			        			data.docs[0].thumbnails.length > i + 1)
			        	{
			        		thumb = data.docs[0].thumbnails[++i];	
			        	}

			        	if (thumb != null)
			        	{
			        		updateImage(thumb.url, Number(thumb.width), Number(thumb.height));
			        	}
			        }
			    }).build();
		        wnd.setVisible(true);
			}
			else
			{
		    	var value = '';
		    	var state = graph.getView().getState(graph.getSelectionCell());
		    	
		    	if (state != null)
		    	{
		    		value = state.style[mxConstants.STYLE_IMAGE] || value;
		    	}
		
		    	value = mxUtils.prompt(mxResources.get('enterValue') + ' (' + mxResources.get('url') + ')', value);
		
		    	if (value != null)
		    	{
		    		if (value.length > 0)
		    		{
			    		var img = new Image();
			    		
			    		img.onload = function()
			    		{
			    			updateImage(value, img.width, img.height);
			    		};
			    		img.onerror = function()
			    		{
			    			mxUtils.alert(mxResources.get('fileNotFound'));
			    		};
			    		
			    		img.src = value;
		    		}
		        }
			}
		});
		
		// Adds language menu to options only if localStorage is available for
		// storing the choice. We do not want to use cookies for older browsers.
		// Note that the URL param lang=XX is available for setting the language
		// in older browsers. URL param has precedence over the saved setting.
		if (isLocalStorage)
		{
			this.put('language', new Menu(mxUtils.bind(this, function(menu, parent)
			{
				var addLangItem = mxUtils.bind(this, function (id)
				{
					var lang = (id == '') ? mxResources.get('automatic') : mxLanguageMap[id];
					
					var item = menu.addItem(lang, null, mxUtils.bind(this, function()
					{
						mxSettings.setLanguage(id);
						mxSettings.save();
						mxUtils.alert(mxResources.get('restartForChangeRequired'));
					}), parent);
					
					if (id == mxLanguage || (id == '' && mxLanguage == null))
					{
						this.addCheckmark(item);
					}
				});
				
				addLangItem('');
				menu.addSeparator(parent);
				
				// LATER: Sort menu by language name
				for(var langId in mxLanguageMap) 
				{
					addLangItem(langId);
				}
			})));
			
			// Adds to options menu
			/*var menu = this.menus['options'];
			var oldFunct = menu.funct;
			
			menu.funct = mxUtils.bind(this, function(menu, parent)
			{
				oldFunct.apply(this, arguments);
				
				menu.addSeparator();
				this.addSubmenu('language', menu);
			});*/
			
			// Extends the menubar with the language menu
			var menusCreateMenuBar = Menus.prototype.createMenubar;
			Menus.prototype.createMenubar = function(container)
			{
				var menubar = menusCreateMenuBar.apply(this, arguments);
				
				var langMenu = this.get('language');
				
				if (langMenu != null)
				{
					menubar.addMenu(mxResources.get('language'), langMenu.funct);
				}

				return menubar;
			};
		}
		
		this.put('help', new Menu(mxUtils.bind(this, function(menu, parent)
		{
			this.addMenuItems(menu, ['gPlusCommunity', 'stackExchange', 'video', '-', 'help', 'status', '-', 'about']);
			
			if (urlParams['test'] == '1')
			{
				// For testing local PNG export
				mxResources.parse('testDebugImageExport=Debug Image Export');
				
				this.editorUi.actions.addAction('testDebugImageExport', mxUtils.bind(this, function()
				{
					var bounds = graph.getGraphBounds();
					
		        	// New image export
					var xmlDoc = mxUtils.createXmlDocument();
					var root = xmlDoc.createElement('output');
					xmlDoc.appendChild(root);
					var xmlCanvas = new mxXmlCanvas2D(root);
					
					// Render graph
					var imgExport = new mxImageExport();
					imgExport.drawState(this.editorUi.editor.graph.getView().getState(this.editorUi.editor.graph.model.root), xmlCanvas);
					
					mxLog.show();
					mxLog.debug(mxUtils.getPrettyXml(root));
				}));
					
				this.addMenuItems(menu, ['-', 'testDebugImageExport'], parent);

				mxResources.parse('testShowRtModel=Show RT model');
				mxResources.parse('testToggleLogging=Toggle Logging');
				
				this.editorUi.actions.addAction('testShowRtModel', mxUtils.bind(this, function()
				{
					if (this.editorUi.sharing != null)
					{
						//console.log(this.editorUi.sharing);
						mxLog.show();
						mxLog.debug(this.editorUi.sharing.dumpRoot());
					}
				}));
				
				this.editorUi.actions.addAction('testToggleLogging', mxUtils.bind(this, function()
				{
					mxLog.show();
					
					if (this.editorUi.sharing != null)
					{
						this.editorUi.sharing.logging = !this.editorUi.sharing.logging;
						
						if (this.editorUi.sharing.logging)
						{
							mxLog.show();
						}
						
						mxLog.debug('Logging ' + ((this.editorUi.sharing.logging) ? 'enabled' : 'disabled'));
					}
					else
					{
						mxLog.debug('Document not shared');
					}
				}));
				
				this.addMenuItems(menu, ['-', 'testShowRtModel', 'testToggleLogging'], parent);
				
				mxResources.parse('testShowConsole=Show Console');
				this.editorUi.actions.addAction('testShowConsole', function() { mxLog.show(); });
				this.addMenuItems(menu, ['-', 'testShowConsole']);
			}
		})));
		this.put('new', new Menu(mxUtils.bind(this, function(menu, parent)
		{
			this.addMenuItems(menu, ['new', 'newCopy', '-', 'fromTemplate', 'fromText'], parent);
		})));
		// Adds shapes submenu in file menu
		this.editorUi.actions.addAction('embed', mxUtils.bind(this, function()
		{
			this.editorUi.showDialog(new EmbedDialog(this.editorUi).container, 620, 420, true, true);
		}));
		
		this.editorUi.actions.addAction('moreShapes', mxUtils.bind(this, function()
		{
			this.editorUi.showDialog(new MoreShapesDialog(this.editorUi).container, 360, 170, true, true);
		}));
		
		// Adds plugins menu item in file menu only if localStorage is available for
		// storing the plugins.
		if (isLocalStorage)
		{
			this.editorUi.actions.addAction('plugins', mxUtils.bind(this, function()
			{
				this.editorUi.showDialog(new PluginsDialog(this.editorUi).container, 360, 156, true, false);
			}));
		}
		
		this.put('file', new Menu(mxUtils.bind(this, function(menu, parent)
		{
			this.addSubmenu('new', menu, parent);
			this.addMenuItems(menu, ['open', '-', 'save', 'saveAs', '-'], parent);

			if (this.editorUi.actions.get('rename') != null && mxGoogleDrive.fileInfo.editable)
			{
				this.addMenuItems(menu, ['-', 'rename', '-'], parent);
			}
			
			if (this.editorUi.actions.get('share') != null)
			{
				this.addMenuItems(menu, ['-', 'share', '-'], parent);
			}

			this.addMenuItems(menu, ['import', 'export', '-', 'embed', 'editFile', '-', 'moreShapes', 'plugins', '-', 'pageSetup', 'print'], parent);
		})));
	};

	// Sets default style (used in editor.get/setGraphXml below)
	var graphLoadStylesheet = Graph.prototype.loadStylesheet;
	Graph.prototype.loadStylesheet = function()
	{
		graphLoadStylesheet.apply(this, arguments);
		this.currentStyle = 'default-style2';
	};

	// Adds support for old stylesheets
	var editorSetGraphXml = Editor.prototype.setGraphXml;
	Editor.prototype.setGraphXml = function(node)
	{
		if (node.nodeName == 'mxGraphModel')
		{
			var style = node.getAttribute('style');

			// Decodes the style if required
			if (style == null || style == '')
			{
				var node2 = mxUtils.load(STYLE_PATH + '/default-old.xml').getDocumentElement();
				var dec2 = new mxCodec(node2.ownerDocument);
				dec2.decode(node2, this.graph.getStylesheet());
			}
			else if (style != this.graph.currentStyle)
			{
			    var node2 = mxUtils.load(STYLE_PATH + '/' + style + '.xml').getDocumentElement();
				var dec2 = new mxCodec(node2.ownerDocument);
				dec2.decode(node2, this.graph.getStylesheet());
				this.graph.currentStyle = style;
			}

			this.graph.currentStyle = style;
		}
		
		// Will call updateGraphComponents
		editorSetGraphXml.apply(this, arguments);
	};

	// Adds persistent state to file
	var editorGetGraphXml = Editor.prototype.getGraphXml;	
	Editor.prototype.getGraphXml = function()
	{
		var node = editorGetGraphXml.apply(this, arguments);
		
		// Encodes the current style
		if (this.graph.currentStyle != null)
		{
			node.setAttribute('style', this.graph.currentStyle);
		}

		return node;
	};
	
})();