modules/documentCanvas/documentCanvas.js

   1 // Module that implements main WYSIWIG edit area\r
   2 \r
   3 define([\r
   4 'libs/underscore-min',\r
   5 './transformations', \r
   6 './wlxmlNode',\r
   7 'libs/text!./template.html'], function(_, transformations, wlxmlNode, template) {\r
   8 \r
   9 'use strict';\r
  10 \r
  11 return function(sandbox) {\r
  12 \r
  13     var view = {\r
  14         node: $(_.template(template)()),\r
  15         currentNode: null,\r
  16         setup: function() {\r
  17             var view = this;\r
  18 \r
  19             this.node.find('#rng-module-documentCanvas-content').on('keyup', function() {\r
  20                 //isDirty = true;\r
  21                 sandbox.publish('contentChanged');\r
  22             });\r
  23 \r
  24             this.node.on('mouseover', '[wlxml-tag]', function(e) {\r
  25                 e.stopPropagation();\r
  26                 sandbox.publish('nodeHovered', new wlxmlNode.Node($(e.target)));\r
  27             });\r
  28             this.node.on('mouseout', '[wlxml-tag]', function(e) {\r
  29                 e.stopPropagation();\r
  30                 sandbox.publish('nodeBlured', new wlxmlNode.Node($(e.target)));\r
  31             });\r
  32             this.node.on('click', '[wlxml-tag]', function(e) {\r
  33                 e.stopPropagation();\r
  34                 console.log('clicked node type: '+e.target.nodeType);\r
  35                 view.selectNode(new wlxmlNode.Node($(e.target)));\r
  36             });\r
  37 \r
  38             this.node.on('keyup', '#rng-module-documentCanvas-contentWrapper', function(e) {\r
  39                 var anchor = $(window.getSelection().anchorNode);\r
  40                 if(anchor[0].nodeType === Node.TEXT_NODE)\r
  41                     anchor = anchor.parent();\r
  42                 if(!anchor.is('[wlxml-tag]'))\r
  43                     return;\r
  44                 view.selectNode(new wlxmlNode.Node(anchor));\r
  45             });\r
  46             \r
  47             this.node.on('keydown', '#rng-module-documentCanvas-contentWrapper', function(e) {\r
  48                 if(e.which === 13) { \r
  49                     e.preventDefault();\r
  50                     view.insertNewNode(null, null);\r
  51                 }\r
  52             });\r
  53             this.gridToggled = false;\r
  54         },\r
  55         _createNode: function(wlxmlTag, wlxmlClass) {\r
  56             var toBlock = ['div', 'document', 'section', 'header'];\r
  57             var htmlTag = _.contains(toBlock, wlxmlTag) ? 'div' : 'span';\r
  58             var toret = $('<' + htmlTag + '>');\r
  59             toret.attr('wlxml-tag', wlxmlTag);\r
  60             if(wlxmlClass)\r
  61                 toret.attr('wlxml-class', wlxmlClass);\r
  62             toret.attr('id', 'xxxxxxxx-xxxx-xxxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {var r = Math.random()*16|0,v=c=='x'?r:r&0x3|0x8;return v.toString(16);}));\r
  63             return toret;\r
  64         },\r
  65         insertNewNode: function(wlxmlTag, wlxmlClass) {\r
  66             //TODO: Insert inline\r
  67             var anchor = $(window.getSelection().anchorNode);\r
  68             var anchorOffset = window.getSelection().anchorOffset;\r
  69             if(anchor[0].nodeType === Node.TEXT_NODE)\r
  70                 anchor = anchor.parent();\r
  71             if(anchor.text() === '') {\r
  72                 var todel = anchor;\r
  73                 anchor = anchor.parent();\r
  74                 todel.remove();\r
  75             }\r
  76             if(anchorOffset > 0 && anchorOffset < anchor.text().length) {\r
  77                 if(wlxmlTag === null && wlxmlClass === null) {\r
  78                     return this.splitWithNewNode(anchor);\r
  79                 }\r
  80                 return this.wrapSelectionWithNewNode(wlxmlTag, wlxmlClass);\r
  81             }\r
  82             var newNode = this._createNode(wlxmlTag || anchor.attr('wlxml-tag'), wlxmlClass || anchor.attr('wlxml-class'));\r
  83             if(anchorOffset === 0)\r
  84                 anchor.before(newNode)\r
  85             else\r
  86                 anchor.after(newNode);\r
  87             this.selectNode(new wlxmlNode.Node(newNode), {moveCarret: true});\r
  88             //isDirty = true;\r
  89             sandbox.publish('contentChanged');\r
  90         },\r
  91         wrapSelectionWithNewNode: function(wlxmlTag, wlxmlClass) {\r
  92             var selection = window.getSelection();\r
  93             if(selection.anchorNode === selection.focusNode && selection.anchorNode.nodeType === Node.TEXT_NODE) {\r
  94                 var startOffset = selection.anchorOffset;\r
  95                 var endOffset = selection.focusOffset;\r
  96                 if(startOffset > endOffset) {\r
  97                     var tmp = startOffset;\r
  98                     startOffset = endOffset;\r
  99                     endOffset = tmp;\r
 100                 }\r
 101                 var node = selection.anchorNode;\r
 102                 var prefix = node.data.substr(0, startOffset);\r
 103                 var suffix = node.data.substr(endOffset);\r
 104                 var core = node.data.substr(startOffset, endOffset - startOffset);\r
 105                 var newNode = this._createNode(wlxmlTag, wlxmlClass);\r
 106                 newNode.text(core || 'test');\r
 107                 $(node).replaceWith(newNode);\r
 108                 newNode.before(prefix);\r
 109                 newNode.after(suffix);\r
 110                 \r
 111                 this.selectNode(new wlxmlNode.Node(newNode), {moveCarret: true});\r
 112                 //isDirty = true;\r
 113                 sandbox.publish('contentChanged');\r
 114             }\r
 115         },\r
 116         splitWithNewNode: function(node) {\r
 117             var selection = window.getSelection();\r
 118             if(selection.anchorNode === selection.focusNode && selection.anchorNode.nodeType === Node.TEXT_NODE) {\r
 119                 var startOffset = selection.anchorOffset;\r
 120                 var endOffset = selection.focusOffset;\r
 121                 if(startOffset > endOffset) {\r
 122                     var tmp = startOffset;\r
 123                     startOffset = endOffset;\r
 124                     endOffset = tmp;\r
 125                 }\r
 126                 var anchor = selection.anchorNode;\r
 127                 var prefix = anchor.data.substr(0, startOffset);\r
 128                 var suffix = anchor.data.substr(endOffset);\r
 129                 var prefixNode = this._createNode(node.attr('wlxml-tag'), node.attr('wlxml-class'));\r
 130                 var newNode = this._createNode(node.attr('wlxml-tag'), node.attr('wlxml-class'));\r
 131                 var suffixNode = this._createNode(node.attr('wlxml-tag'), node.attr('wlxml-class'));\r
 132                 prefixNode.text(prefix);\r
 133                 suffixNode.text(suffix);\r
 134                 node.replaceWith(newNode);\r
 135                 newNode.before(prefixNode);\r
 136                 newNode.after(suffixNode);\r
 137                 \r
 138                 this.selectNode(new wlxmlNode.Node(newNode), {moveCarret: true});\r
 139                 //isDirty = true;\r
 140                 sandbox.publish('contentChanged');\r
 141             }\r
 142         },\r
 143         setBody: function(HTMLTree) {\r
 144             this.node.find('#rng-module-documentCanvas-content').html(HTMLTree);\r
 145         },\r
 146         getBody: function() {\r
 147             return this.node.find('#rng-module-documentCanvas-content').html();\r
 148         }, \r
 149         selectNode: function(wlxmlNode, options) {\r
 150             options = options || {};\r
 151             var nodeElement = this.getNodeElement(wlxmlNode)\r
 152             \r
 153             this.dimNode(wlxmlNode);\r
 154             \r
 155             this.node.find('.rng-module-documentCanvas-currentNode').removeClass('rng-module-documentCanvas-currentNode');\r
 156             nodeElement.addClass('rng-module-documentCanvas-currentNode');\r
 157              \r
 158             if(options.moveCarret) {\r
 159                 var range = document.createRange();\r
 160                 range.selectNodeContents(nodeElement[0]);\r
 161                 range.collapse(false);\r
 162                 var selection = document.getSelection();\r
 163                 selection.removeAllRanges()\r
 164                 selection.addRange(range);\r
 165             }\r
 166             \r
 167             this.currentNode = wlxmlNode;\r
 168             sandbox.publish('nodeSelected', wlxmlNode);\r
 169         },\r
 170         highlightNode: function(wlxmlNode) {\r
 171             var nodeElement = this.getNodeElement(wlxmlNode);\r
 172             if(!this.gridToggled) {\r
 173                 nodeElement.addClass('rng-common-hoveredNode');\r
 174                 var label = nodeElement.attr('wlxml-tag');\r
 175                 if(nodeElement.attr('wlxml-class'))\r
 176                     label += ' / ' + nodeElement.attr('wlxml-class');\r
 177                 var tag = $('<div>').addClass('rng-module-documentCanvas-hoveredNodeTag').text(label);\r
 178                 nodeElement.append(tag);\r
 179             }\r
 180         },\r
 181         dimNode: function(wlxmlNode) {\r
 182             var nodeElement = this.getNodeElement(wlxmlNode);\r
 183             if(!this.gridToggled) {\r
 184                 nodeElement.removeClass('rng-common-hoveredNode');\r
 185                 nodeElement.find('.rng-module-documentCanvas-hoveredNodeTag').remove();\r
 186             }\r
 187         },\r
 188         selectFirstNode: function() {\r
 189             var firstNodeWithText = this.node.find('[wlxml-tag]').filter(function() {\r
 190                 return $(this).clone().children().remove().end().text().trim() !== '';\r
 191             }).first();\r
 192             var node;\r
 193             if(firstNodeWithText.length)\r
 194                 node = $(firstNodeWithText[0])\r
 195             else {\r
 196                 node = this.node.find('[wlxml-class|="p"]')\r
 197             }\r
 198             this.selectNode(new wlxmlNode.Node(node));\r
 199         },\r
 200         toggleGrid: function(toggle) {\r
 201             this.node.find('[wlxml-tag]').toggleClass('rng-common-hoveredNode', toggle);\r
 202             this.gridToggled = toggle;\r
 203         },\r
 204         getNodeElement: function(wlxmlNode) {\r
 205             return this.node.find('#'+wlxmlNode.id);\r
 206         }\r
 207     };\r
 208     \r
 209     view.setup();\r
 210 \r
 211     /* public api */\r
 212     return {\r
 213         start: function() { sandbox.publish('ready'); },\r
 214         getView: function() { return view.node; },\r
 215         setDocument: function(xml) {\r
 216             var transformed = transformations.fromXML.getDocumentDescription(xml);\r
 217             view.setBody(transformed.HTMLTree);\r
 218             view.selectFirstNode();\r
 219             sandbox.publish('documentSet');\r
 220         },\r
 221         getDocument: function() {\r
 222             return transformations.toXML.getXML(view.getBody());\r
 223         },\r
 224         modifyCurrentNode: function(attr, value) {\r
 225             if(view.currentNode) {\r
 226                 view.getNodeElement(view.currentNode).attr('wlxml-'+attr, value);\r
 227                 sandbox.publish('contentChanged');\r
 228             }\r
 229         },\r
 230         highlightNode: function(wlxmlNode) {\r
 231             view.highlightNode(wlxmlNode);\r
 232         },\r
 233         dimNode: function(wlxmlNode) {\r
 234             view.dimNode(wlxmlNode);\r
 235         },\r
 236         selectNode: function(wlxmlNode) {\r
 237             if(!wlxmlNode.is(view.currentNode))\r
 238                 view.selectNode(wlxmlNode, {moveCarret: true});\r
 239         },\r
 240         toggleGrid: function(toggle) {\r
 241             view.toggleGrid(toggle);\r
 242         },\r
 243         insertNewNode: function(wlxmlTag, wlxmlClass) {\r
 244             view.insertNewNode(wlxmlTag, wlxmlClass);\r
 245         },\r
 246         wrapSelectionWithNewNode: function(wlxmlTag, wlxmlClass) {\r
 247             view.wrapSelectionWithNewNode(wlxmlTag, wlxmlClass);\r
 248         }\r
 249     }\r
 250     \r
 251 };\r
 252 \r
 253 });