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 'libs/text!./template.html'], function(_, transformations, template) {\r
   7 \r
   8 \r
   9 \r
  10 return function(sandbox) {\r
  11 \r
  12     var view = {\r
  13         node: $(_.template(template)()),\r
  14         currentNode: null,\r
  15         setup: function() {\r
  16             var view = this;\r
  17 \r
  18             this.node.find('#rng-module-documentCanvas-content').on('keyup', function() {\r
  19                 //isDirty = true;\r
  20                 sandbox.publish('contentChanged');\r
  21             });\r
  22 \r
  23             this.node.on('mouseover', '[wlxml-tag]', function(e) {\r
  24                 e.stopPropagation();\r
  25                 sandbox.publish('nodeHovered', $(e.target));\r
  26             });\r
  27             this.node.on('mouseout', '[wlxml-tag]', function(e) {\r
  28                 e.stopPropagation();\r
  29                 sandbox.publish('nodeBlured', $(e.target));\r
  30             });\r
  31             this.node.on('click', '[wlxml-tag]', function(e) {\r
  32                 e.stopPropagation();\r
  33                 console.log('clicked node type: '+e.target.nodeType);\r
  34                 view._markSelected($(e.target));\r
  35             });\r
  36 \r
  37             this.node.on('keyup', '#rng-module-documentCanvas-contentWrapper', function(e) {\r
  38                 var anchor = $(window.getSelection().anchorNode);\r
  39                 if(anchor[0].nodeType === Node.TEXT_NODE)\r
  40                     anchor = anchor.parent();\r
  41                 if(!anchor.is('[wlxml-tag]'))\r
  42                     return;\r
  43                 view._markSelected(anchor);\r
  44             });\r
  45             \r
  46             this.node.on('keydown', '#rng-module-documentCanvas-contentWrapper', function(e) {\r
  47                 if(e.which === 13) { \r
  48                     e.preventDefault();\r
  49                     view.insertNewNode(null, null);\r
  50                 }\r
  51             });\r
  52             \r
  53             \r
  54             var observer = new MutationObserver(function(mutations) {\r
  55               mutations.forEach(function(mutation) {\r
  56                 _.each(mutation.addedNodes, function(node) {\r
  57                     node = $(node);\r
  58                     node.parent().find('[wlxml-tag]').each(function() {\r
  59                         tag = $(this);\r
  60                         if(!tag.attr('id'))\r
  61                             tag.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
  62                     });\r
  63                 });\r
  64               });    \r
  65             });\r
  66             var config = { attributes: true, childList: true, characterData: true, subtree: true };\r
  67             observer.observe(this.node.find('#rng-module-documentCanvas-contentWrapper')[0], config);\r
  68             \r
  69             this.gridToggled = false;\r
  70         },\r
  71         _createNode: function(wlxmlTag, wlxmlClass) {\r
  72             var toBlock = ['div', 'document', 'section', 'header'];\r
  73             var htmlTag = _.contains(toBlock, wlxmlTag) ? 'div' : 'span';\r
  74             var toret = $('<' + htmlTag + '>');\r
  75             toret.attr('wlxml-tag', wlxmlTag);\r
  76             if(wlxmlClass)\r
  77                 toret.attr('wlxml-class', wlxmlClass);\r
  78             return toret;\r
  79         },\r
  80         insertNewNode: function(wlxmlTag, wlxmlClass) {\r
  81             //TODO: Insert inline\r
  82             var anchor = $(window.getSelection().anchorNode);\r
  83             var anchorOffset = window.getSelection().anchorOffset;\r
  84             if(anchor[0].nodeType === Node.TEXT_NODE)\r
  85                 anchor = anchor.parent();\r
  86             if(anchor.text() === '') {\r
  87                 var todel = anchor;\r
  88                 anchor = anchor.parent();\r
  89                 todel.remove();\r
  90             }\r
  91             if(anchorOffset > 0 && anchorOffset < anchor.text().length) {\r
  92                 if(wlxmlTag === null && wlxmlClass === null) {\r
  93                     return this.splitWithNewNode(anchor);\r
  94                 }\r
  95                 return this.wrapSelectionWithNewNode(wlxmlTag, wlxmlClass);\r
  96             }\r
  97             var newNode = this._createNode(wlxmlTag || anchor.attr('wlxml-tag'), wlxmlClass || anchor.attr('wlxml-class'));\r
  98             if(anchorOffset === 0)\r
  99                 anchor.before(newNode)\r
 100             else\r
 101                 anchor.after(newNode);\r
 102             this.selectNode(newNode);\r
 103             //isDirty = true;\r
 104             sandbox.publish('contentChanged');\r
 105         },\r
 106         wrapSelectionWithNewNode: function(wlxmlTag, wlxmlClass) {\r
 107             var selection = window.getSelection();\r
 108             if(selection.anchorNode === selection.focusNode && selection.anchorNode.nodeType === Node.TEXT_NODE) {\r
 109                 var startOffset = selection.anchorOffset;\r
 110                 var endOffset = selection.focusOffset;\r
 111                 if(startOffset > endOffset) {\r
 112                     var tmp = startOffset;\r
 113                     startOffset = endOffset;\r
 114                     endOffset = tmp;\r
 115                 }\r
 116                 var node = selection.anchorNode;\r
 117                 var prefix = node.data.substr(0, startOffset);\r
 118                 var suffix = node.data.substr(endOffset);\r
 119                 var core = node.data.substr(startOffset, endOffset - startOffset);\r
 120                 var newNode = this._createNode(wlxmlTag, wlxmlClass);\r
 121                 newNode.text(core || 'test');\r
 122                 $(node).replaceWith(newNode);\r
 123                 newNode.before(prefix);\r
 124                 newNode.after(suffix);\r
 125                 \r
 126                 this.selectNode(newNode);\r
 127                 //isDirty = true;\r
 128                 sandbox.publish('contentChanged');\r
 129             }\r
 130         },\r
 131         splitWithNewNode: function(node) {\r
 132             var selection = window.getSelection();\r
 133             if(selection.anchorNode === selection.focusNode && selection.anchorNode.nodeType === Node.TEXT_NODE) {\r
 134                 var startOffset = selection.anchorOffset;\r
 135                 var endOffset = selection.focusOffset;\r
 136                 if(startOffset > endOffset) {\r
 137                     var tmp = startOffset;\r
 138                     startOffset = endOffset;\r
 139                     endOffset = tmp;\r
 140                 }\r
 141                 var anchor = selection.anchorNode;\r
 142                 var prefix = anchor.data.substr(0, startOffset);\r
 143                 var suffix = anchor.data.substr(endOffset);\r
 144                 var prefixNode = this._createNode(node.attr('wlxml-tag'), node.attr('wlxml-class'));\r
 145                 var newNode = this._createNode(node.attr('wlxml-tag'), node.attr('wlxml-class'));\r
 146                 var suffixNode = this._createNode(node.attr('wlxml-tag'), node.attr('wlxml-class'));\r
 147                 prefixNode.text(prefix);\r
 148                 suffixNode.text(suffix);\r
 149                 node.replaceWith(newNode);\r
 150                 newNode.before(prefixNode);\r
 151                 newNode.after(suffixNode);\r
 152                 \r
 153                 this.selectNode(newNode);\r
 154                 //isDirty = true;\r
 155                 sandbox.publish('contentChanged');\r
 156             }\r
 157         },\r
 158         setBody: function(HTMLTree) {\r
 159             this.node.find('#rng-module-documentCanvas-content').html(HTMLTree);\r
 160         },\r
 161         getBody: function() {\r
 162             return this.node.find('#rng-module-documentCanvas-content').html();\r
 163         }, \r
 164         _markSelected: function(node) {\r
 165             this.dimNode(node);\r
 166             \r
 167             this.node.find('.rng-module-documentCanvas-currentNode').removeClass('rng-module-documentCanvas-currentNode');\r
 168             \r
 169             node.addClass('rng-module-documentCanvas-currentNode');\r
 170 \r
 171             this.currentNode = node;\r
 172             sandbox.publish('nodeSelected', node);\r
 173             \r
 174         },\r
 175         selectNode: function(node) {\r
 176             view._markSelected(node);\r
 177             var range = document.createRange();\r
 178             range.selectNodeContents(node[0]);\r
 179             range.collapse(false);\r
 180 \r
 181             var selection = document.getSelection();\r
 182             selection.removeAllRanges()\r
 183             selection.addRange(range);\r
 184         },\r
 185         selectNodeById: function(id) {\r
 186             var node = this.node.find('#'+id);\r
 187             if(node)\r
 188                 this.selectNode(node);\r
 189         },\r
 190         highlightNode: function(node) {\r
 191             if(!this.gridToggled) {\r
 192                 node.addClass('rng-common-hoveredNode');\r
 193                 var label = node.attr('wlxml-tag');\r
 194                 if(node.attr('wlxml-class'))\r
 195                     label += ' / ' + node.attr('wlxml-class');\r
 196                 var tag = $('<div>').addClass('rng-module-documentCanvas-hoveredNodeTag').text(label);\r
 197                 node.append(tag);\r
 198             }\r
 199         },\r
 200         dimNode: function(node) {\r
 201             if(!this.gridToggled) {\r
 202                 node.removeClass('rng-common-hoveredNode');\r
 203                 node.find('.rng-module-documentCanvas-hoveredNodeTag').remove();\r
 204             }\r
 205         },\r
 206         highlightNodeById: function(id) {\r
 207             var node = this.node.find('#'+id);\r
 208             if(node)\r
 209                 this.highlightNode(node);\r
 210         },\r
 211         dimNodeById: function(id) {\r
 212             var node = this.node.find('#'+id);\r
 213             if(node)\r
 214                 this.dimNode(node);\r
 215         },\r
 216         selectFirstNode: function() {\r
 217             var firstNodeWithText = this.node.find('[wlxml-tag]').filter(function() {\r
 218                 return $(this).clone().children().remove().end().text().trim() !== '';\r
 219             }).first();\r
 220             var node;\r
 221             if(firstNodeWithText.length)\r
 222                 node = $(firstNodeWithText[0])\r
 223             else {\r
 224                 node = this.node.find('[wlxml-class|="p"]')\r
 225             }\r
 226             this.selectNode(node);\r
 227         },\r
 228         toggleGrid: function(toggle) {\r
 229             this.node.find('[wlxml-tag]').toggleClass('rng-common-hoveredNode', toggle);\r
 230             this.gridToggled = toggle;\r
 231         }\r
 232     };\r
 233     \r
 234     view.setup();\r
 235 \r
 236     /* public api */\r
 237     return {\r
 238         start: function() { sandbox.publish('ready'); },\r
 239         getView: function() { return view.node; },\r
 240         setDocument: function(xml) {\r
 241             var transformed = transformations.fromXML.getDocumentDescription(xml);\r
 242             view.setBody(transformed.HTMLTree);\r
 243             view.selectFirstNode();\r
 244             //isDirty = false;\r
 245         },\r
 246         modifyCurrentNode: function(attr, value) {\r
 247             if(view.currentNode)\r
 248                 view.currentNode.attr('wlxml-'+attr, value);\r
 249         },\r
 250         highlightNode: function(id) {\r
 251             view.highlightNodeById(id);\r
 252         },\r
 253         dimNode: function(id) {\r
 254             view.dimNodeById(id);\r
 255         },\r
 256         selectNode: function(id) {\r
 257             view.selectNodeById(id);\r
 258         },\r
 259         toggleGrid: function(toggle) {\r
 260             view.toggleGrid(toggle);\r
 261         },\r
 262         insertNewNode: function(wlxmlTag, wlxmlClass) {\r
 263             view.insertNewNode(wlxmlTag, wlxmlClass);\r
 264         },\r
 265         wrapSelectionWithNewNode: function(wlxmlTag, wlxmlClass) {\r
 266             view.wrapSelectionWithNewNode(wlxmlTag, wlxmlClass);\r
 267         }\r
 268     }\r
 269     \r
 270 };\r
 271 \r
 272 });