modules/visualEditor.js

   1 rng.modules.visualEditor = function(sandbox) {\r
   2     var transformations = rng.modules.visualEditor.transformations;\r
   3 \r
   4     var view = {\r
   5         node: $(sandbox.getTemplate('main')()),\r
   6         currentNode: null,\r
   7         setup: function() {\r
   8             var view = this;\r
   9
  10             this.node.find('#rng-visualEditor-content').on('keyup', function() {\r
  11                 isDirty = true;\r
  12             });\r
  13             \r
  14             this.node.find('#rng-visualEditor-meta').on('keyup', function() {\r
  15                 isDirty = true;\r
  16             });\r
  17
  18             this.node.on('mouseover', '[wlxml-tag]', function(e) { mediator.nodeHovered($(e.target));});\r
  19             this.node.on('mouseout', '[wlxml-tag]', function(e) { mediator.nodeBlured($(e.target));});\r
  20             this.node.on('click', '[wlxml-tag]', function(e) {\r
  21                 console.log('clicked node type: '+e.target.nodeType);\r
  22                 view._markSelected($(e.target));\r
  23             });\r
  24 \r
  25             this.node.on('keyup', '#rng-visualEditor-contentWrapper', function(e) {\r
  26                 var anchor = $(window.getSelection().anchorNode);\r
  27                 if(anchor[0].nodeType === Node.TEXT_NODE)\r
  28                     anchor = anchor.parent();\r
  29                 if(!anchor.is('[wlxml-tag]'))\r
  30                     return;\r
  31                 view._markSelected(anchor);\r
  32             });\r
  33             \r
  34             this.node.on('keydown', '#rng-visualEditor-contentWrapper', function(e) {\r
  35                 if(e.which === 13) { \r
  36                     e.preventDefault();\r
  37                     view.insertNewNode(null, null);\r
  38                 }\r
  39             });\r
  40             \r
  41             \r
  42             var metaTable = this.metaTable = this.node.find('#rng-visualEditor-meta table');\r
  43             \r
  44             this.node.find('.rng-visualEditor-metaAddBtn').click(function() {\r
  45                 var newRow = view._addMetaRow('', '');\r
  46                 $(newRow.find('td div')[0]).focus();\r
  47                 isDirty = true;\r
  48             });\r
  49             \r
  50             this.metaTable.on('click', '.rng-visualEditor-metaRemoveBtn', function(e) {\r
  51                 $(e.target).closest('tr').remove();\r
  52                 isDirty = true;\r
  53             });\r
  54             \r
  55             this.metaTable.on('keydown', '[contenteditable]', function(e) {\r
  56                 console.log(e.which);\r
  57                 if(e.which === 13) { \r
  58                     if($(document.activeElement).hasClass('rng-visualEditor-metaItemKey')) {\r
  59                         metaTable.find('.rng-visualEditor-metaItemValue').focus();\r
  60                     } else {\r
  61                         var input = $('<input>');\r
  62                         input.appendTo('body').focus()\r
  63                         view.node.find('.rng-visualEditor-metaAddBtn').focus();\r
  64                         input.remove();\r
  65                     }\r
  66                     e.preventDefault();\r
  67                 }\r
  68                 \r
  69             });\r
  70             \r
  71             \r
  72             var observer = new MutationObserver(function(mutations) {\r
  73               mutations.forEach(function(mutation) {\r
  74                 if(mutation.addedNodes.length > 0) {\r
  75                     console.log(mutation.addedNodes);\r
  76                 }\r
  77                 _.each(mutation.addedNodes, function(node) {\r
  78                     node = $(node);\r
  79                     node.parent().find('[wlxml-tag]').each(function() {\r
  80                         tag = $(this);\r
  81                         if(!tag.attr('id'))\r
  82                             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
  83                     });\r
  84                 });\r
  85               });    \r
  86             });\r
  87             var config = { attributes: true, childList: true, characterData: true, subtree: true };\r
  88             observer.observe(this.node.find('#rng-visualEditor-contentWrapper')[0], config);\r
  89             \r
  90             this.gridToggled = false;
  91         },\r
  92         _createNode: function(wlxmlTag, wlxmlClass) {\r
  93             var toBlock = ['div', 'document', 'section', 'header'];\r
  94             var htmlTag = _.contains(toBlock, wlxmlTag) ? 'div' : 'span';\r
  95             var toret = $('<' + htmlTag + '>');\r
  96             toret.attr('wlxml-tag', wlxmlTag);\r
  97             if(wlxmlClass)\r
  98                 toret.attr('wlxml-class', wlxmlClass);\r
  99             return toret;\r
 100         },\r
 101         insertNewNode: function(wlxmlTag, wlxmlClass) {\r
 102             //TODO: Insert inline\r
 103             var anchor = $(window.getSelection().anchorNode);\r
 104             if(anchor[0].nodeType === Node.TEXT_NODE)\r
 105                 anchor = anchor.parent();\r
 106             if(anchor.text() === '') {\r
 107                 var todel = anchor;\r
 108                 anchor = anchor.parent();\r
 109                 todel.remove();\r
 110             }\r
 111             var newNode = this._createNode(wlxmlTag || anchor.attr('wlxml-tag'), wlxmlClass || anchor.attr('wlxml-class'));\r
 112             anchor.after(newNode);\r
 113             mediator.nodeCreated(newNode);\r
 114             isDirty = true;\r
 115         },\r
 116         wrapSelectionWithNewNode: function(wlxmlTag, wlxmlClass) {\r
 117             \r
 118             var selection = window.getSelection();\r
 119             if(selection.anchorNode === selection.focusNode && selection.anchorNode.nodeType === Node.TEXT_NODE) {\r
 120                 var startOffset = selection.anchorOffset;\r
 121                 var endOffset = selection.focusOffset;\r
 122                 if(startOffset > endOffset) {\r
 123                     var tmp = startOffset;\r
 124                     startOffset = endOffset;\r
 125                     endOffset = tmp;\r
 126                 }\r
 127                 var node = selection.anchorNode;\r
 128                 var prefix = node.data.substr(0, startOffset);\r
 129                 var suffix = node.data.substr(endOffset);\r
 130                 var core = node.data.substr(startOffset, endOffset - startOffset);\r
 131                 var newNode = this._createNode(wlxmlTag, wlxmlClass);\r
 132                 newNode.text(core);\r
 133                 $(node).replaceWith(newNode);\r
 134                 newNode.before(prefix);\r
 135                 newNode.after(suffix);\r
 136                 mediator.nodeCreated(newNode);\r
 137                 isDirty = true;\r
 138             }\r
 139         },\r
 140         getMetaData: function() {\r
 141             var toret = {};\r
 142             this.metaTable.find('tr').each(function() {\r
 143                 var tr = $(this);\r
 144                 var inputs = $(this).find('td [contenteditable]');\r
 145                 var key = $(inputs[0]).text();\r
 146                 var value = $(inputs[1]).text();\r
 147                 toret[key] = value;\r
 148             });\r
 149             console.log(toret);\r
 150             return toret;\r
 151         },\r
 152         setMetaData: function(metadata) {\r
 153             var view = this;\r
 154             this.metaTable.find('tr').remove();\r
 155             _.each(_.keys(metadata), function(key) {    \r
 156                 view._addMetaRow(key, metadata[key]);\r
 157             });\r
 158         },\r
 159         setBody: function(HTMLTree) {\r
 160             this.node.find('#rng-visualEditor-content').html(HTMLTree);\r
 161         },\r
 162         getBody: function() {\r
 163             return this.node.find('#rng-visualEditor-content').html();\r
 164         }, \r
 165         _markSelected: function(node) {\r
 166             this.dimNode(node);\r
 167             \r
 168             this.node.find('.rng-current').removeClass('rng-current');\r
 169             \r
 170             node.addClass('rng-current');\r
 171 \r
 172             this.currentNode = node;\r
 173             mediator.nodeSelected(node);\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-hover');\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-visualEditor-nodeHoverTag').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-hover');\r
 203                 node.find('.rng-visualEditor-nodeHoverTag').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         _addMetaRow: function(key, value) {\r
 229             var newRow = $(sandbox.getTemplate('metaItem')({key: key || '', value: value || ''}));\r
 230             newRow.appendTo(this.metaTable);\r
 231             return newRow;\r
 232         },\r
 233         toggleGrid: function(toggle) {\r
 234             this.node.find('[wlxml-tag]').toggleClass('rng-hover', toggle);\r
 235             this.gridToggled = toggle;\r
 236         },\r
 237         toggleTags: function(toggle) {\r
 238         \r
 239         }\r
 240     };\r
 241     \r
 242     \r
 243     var sideBarView = {\r
 244         node: view.node.find('#rng-visualEditor-sidebar'),\r
 245         setup: function() {\r
 246             var view = this;\r
 247             this.node.find('#rng-visualEditor-sidebarButtons a').click(function(e) {\r
 248                 e.preventDefault();\r
 249                 var target = $(e.currentTarget);\r
 250                 if(!target.attr('data-content-id'))\r
 251                     return;\r
 252                 view.selectTab(target.attr('data-content-id'));\r
 253             });\r
 254             view.selectTab('rng-visualEditor-edit');\r
 255             \r
 256             view.node.on('change', '.rng-visualEditor-editPaneNodeForm select', function(e) {\r
 257                 var target = $(e.target);\r
 258                 var attr = target.attr('id').split('-')[2].split('editPane')[1].substr(0,3) === 'Tag' ? 'tag' : 'class';\r
 259                 mediator.getCurrentNode().attr('wlxml-'+attr, target.val());\r
 260                 isDirty = true;\r
 261             });\r
 262             \r
 263             view.node.on('change', '.rng-visualEditor-editPaneSelectionForm select', function(e) {\r
 264                 var target = $(e.target);\r
 265                 mediator.wrapWithNodeRequest(target.val(), null);\r
 266             });\r
 267             \r
 268             view.node.on('click', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 269                 var target = $(e.target);\r
 270                 mediator.nodeDimmedById(target.attr('data-id'));\r
 271                 mediator.nodeSelectedById(target.attr('data-id'));\r
 272             });\r
 273             \r
 274             view.node.on('mouseenter', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 275                 var target = $(e.target);\r
 276                 mediator.nodeHighlightedById(target.attr('data-id')); \r
 277             });\r
 278             view.node.on('mouseleave', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 279                 var target = $(e.target);\r
 280                 mediator.nodeDimmedById(target.attr('data-id')); \r
 281             });\r
 282         },\r
 283         selectTab: function(id) {\r
 284            this.node.find('.rng-visualEditor-sidebarContentItem').hide();\r
 285            this.node.find('#'+id).show();\r
 286            this.node.find('#rng-visualEditor-sidebarButtons li').removeClass('active');\r
 287            this.node.find('#rng-visualEditor-sidebarButtons li a[data-content-id=' + id + ']').parent().addClass('active');\r
 288         \r
 289         },\r
 290         updateEditPane: function(node) {\r
 291             var pane = this.node.find('#rng-visualEditor-edit');\r
 292             pane.html( $(sandbox.getTemplate('editPane')({tag: node.attr('wlxml-tag'), klass: node.attr('wlxml-class')})));\r
 293             \r
 294             var parent = {\r
 295                 repr: node.parent().attr('wlxml-tag') + ' / ' + (node.parent().attr('wlxml-class') || '[[no class]]'),\r
 296                 id: node.parent().attr('id')\r
 297             }\r
 298             var children = [];\r
 299             node.children('[wlxml-tag]').each(function() {\r
 300                 var child = $(this);\r
 301                 children.push({repr: child.attr('wlxml-tag') + ' / ' + (child.attr('wlxml-class') || '[[no class]]'), id: child.attr('id')});\r
 302             });\r
 303             var naviTemplate = sandbox.getTemplate('editPaneNavigation')({parent: parent, children: children});\r
 304             pane.find('.rng-visualEditor-editPaneSurrouding > div').html($(naviTemplate));\r
 305         },\r
 306         highlightNode: function(id) {\r
 307             var pane = this.node.find('#rng-visualEditor-edit');\r
 308             pane.find('a[data-id="'+id+'"]').addClass('rng-hover');\r
 309         },\r
 310         dimNode: function(id) {\r
 311             var pane = this.node.find('#rng-visualEditor-edit');\r
 312             pane.find('a[data-id="' +id+'"]').removeClass('rng-hover');\r
 313         }\r
 314     }\r
 315     \r
 316     var toolbarView = {\r
 317         node: view.node.find('#rng-visualEditor-toolbar'),\r
 318         setup: function() {\r
 319             var view = this;\r
 320             \r
 321             view.node.find('button').click(function(e) {\r
 322                 var btn = $(e.currentTarget);\r
 323                 if(btn.attr('data-btn-type') === 'toggle') {\r
 324                     btn.toggleClass('active')\r
 325                     mediator.toolbarButtonToggled(btn.attr('data-btn'), btn.hasClass('active'));\r
 326                 }\r
 327                 if(btn.attr('data-btn-type') === 'cmd') {\r
 328                     mediator.toolbarButtonCmd(btn.attr('data-btn'));\r
 329                 }\r
 330             });\r
 331         },\r
 332         getOption: function(option) {\r
 333             return this.node.find('.rng-visualEditor-toolbarOption[data-option=' + option +']').val();\r
 334         }\r
 335     }\r
 336     \r
 337     view.setup();\r
 338     sideBarView.setup();\r
 339     toolbarView.setup();\r
 340     \r
 341     var mediator = {\r
 342         getCurrentNode: function() {\r
 343             return view.currentNode;\r
 344         },\r
 345         nodeCreated: function(node) {\r
 346             view.selectNode(node);\r
 347         },\r
 348         nodeSelected: function(node) {\r
 349             sideBarView.updateEditPane(node);\r
 350         },\r
 351         nodeSelectedById: function(id) {\r
 352             view.selectNodeById(id);\r
 353         },\r
 354         nodeHighlightedById: function(id) {\r
 355             view.highlightNodeById(id);\r
 356         },\r
 357         nodeDimmedById: function(id) {\r
 358             view.dimNodeById(id);\r
 359         },\r
 360         toolbarButtonToggled: function(btn, toggle) {\r
 361             if(btn === 'grid')\r
 362                 view.toggleGrid(toggle);\r
 363             if(btn === 'tags')\r
 364                 view.toggleTags(toggle);\r
 365         },\r
 366         toolbarButtonCmd: function(btn) {\r
 367             if(btn === 'new-node') {\r
 368                 if(window.getSelection().isCollapsed)\r
 369                     view.insertNewNode(toolbarView.getOption('newTag-tag'), toolbarView.getOption('newTag-class'));\r
 370                 else {\r
 371                     this.wrapWithNodeRequest(toolbarView.getOption('newTag-tag'), toolbarView.getOption('newTag-class'));\r
 372                 }\r
 373                     \r
 374                     \r
 375             }\r
 376         },\r
 377         nodeHovered: function(node) {\r
 378             view.highlightNode(node);\r
 379             sideBarView.highlightNode(node.attr('id'));\r
 380         },\r
 381         nodeBlured: function(node) {\r
 382             view.dimNode(node);\r
 383             sideBarView.dimNode(node.attr('id'));\r
 384         },\r
 385         wrapWithNodeRequest: function(wlxmlTag, wlxmlClass) {\r
 386             view.wrapSelectionWithNewNode(wlxmlTag, wlxmlClass);\r
 387         }\r
 388         \r
 389     }\r
 390     \r
 391     var isDirty = false;\r
 392     var wasShownAlready = false;\r
 393     \r
 394     \r
 395     return {\r
 396         start: function() {\r
 397             sandbox.publish('ready');\r
 398         },\r
 399         getView: function() {\r
 400             return view.node;\r
 401         },\r
 402         setDocument: function(xml) {\r
 403             var transformed = transformations.fromXML.getDocumentDescription(xml);\r
 404             view.setBody(transformed.HTMLTree);\r
 405             view.setMetaData(transformed.metadata);\r
 406             isDirty = false;\r
 407         },\r
 408         getDocument: function() {\r
 409             return transformations.toXML.getXML({HTMLTree: view.getBody(), metadata: view.getMetaData()});\r
 410         },\r
 411         isDirty: function() {\r
 412             return isDirty;\r
 413         },\r
 414         setDirty: function(dirty) {\r
 415             isDirty = dirty;\r
 416         },\r
 417         onShowed: function() {\r
 418             if(!wasShownAlready) {\r
 419                 wasShownAlready = true;\r
 420                 view.selectFirstNode();\r
 421             }\r
 422         }\r
 423     \r
 424     }\r
 425 };