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                 _.each(mutation.addedNodes, function(node) {\r
  75                     node = $(node);\r
  76                     node.parent().find('[wlxml-tag]').each(function() {\r
  77                         tag = $(this);\r
  78                         if(!tag.attr('id'))\r
  79                             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
  80                     });\r
  81                 });\r
  82               });    \r
  83             });\r
  84             var config = { attributes: true, childList: true, characterData: true, subtree: true };\r
  85             observer.observe(this.node.find('#rng-visualEditor-contentWrapper')[0], config);\r
  86             \r
  87             this.gridToggled = false;
  88         },\r
  89         _createNode: function(wlxmlTag, wlxmlClass) {\r
  90             var toBlock = ['div', 'document', 'section', 'header'];\r
  91             var htmlTag = _.contains(toBlock, wlxmlTag) ? 'div' : 'span';\r
  92             var toret = $('<' + htmlTag + '>');\r
  93             toret.attr('wlxml-tag', wlxmlTag);\r
  94             if(wlxmlClass)\r
  95                 toret.attr('wlxml-class', wlxmlClass);\r
  96             return toret;\r
  97         },\r
  98         insertNewNode: function(wlxmlTag, wlxmlClass) {\r
  99             //TODO: Insert inline\r
 100             var anchor = $(window.getSelection().anchorNode);\r
 101             if(anchor[0].nodeType === Node.TEXT_NODE)\r
 102                 anchor = anchor.parent();\r
 103             if(anchor.text() === '') {\r
 104                 var todel = anchor;\r
 105                 anchor = anchor.parent();\r
 106                 todel.remove();\r
 107             }\r
 108             var newNode = this._createNode(wlxmlTag || anchor.attr('wlxml-tag'), wlxmlClass || anchor.attr('wlxml-class'));\r
 109             anchor.after(newNode);\r
 110             mediator.nodeCreated(newNode);\r
 111             isDirty = true;\r
 112         },\r
 113         wrapSelectionWithNewNode: function(wlxmlTag, wlxmlClass) {\r
 114             \r
 115             var selection = window.getSelection();\r
 116             if(selection.anchorNode === selection.focusNode && selection.anchorNode.nodeType === Node.TEXT_NODE) {\r
 117                 var startOffset = selection.anchorOffset;\r
 118                 var endOffset = selection.focusOffset;\r
 119                 if(startOffset > endOffset) {\r
 120                     var tmp = startOffset;\r
 121                     startOffset = endOffset;\r
 122                     endOffset = tmp;\r
 123                 }\r
 124                 var node = selection.anchorNode;\r
 125                 var prefix = node.data.substr(0, startOffset);\r
 126                 var suffix = node.data.substr(endOffset);\r
 127                 var core = node.data.substr(startOffset, endOffset - startOffset);\r
 128                 var newNode = this._createNode(wlxmlTag, wlxmlClass);\r
 129                 newNode.text(core);\r
 130                 $(node).replaceWith(newNode);\r
 131                 newNode.before(prefix);\r
 132                 newNode.after(suffix);\r
 133                 mediator.nodeCreated(newNode);\r
 134                 isDirty = true;\r
 135             }\r
 136         },\r
 137         getMetaData: function() {\r
 138             var toret = {};\r
 139             this.metaTable.find('tr').each(function() {\r
 140                 var tr = $(this);\r
 141                 var inputs = $(this).find('td [contenteditable]');\r
 142                 var key = $(inputs[0]).text();\r
 143                 var value = $(inputs[1]).text();\r
 144                 toret[key] = value;\r
 145             });\r
 146             console.log(toret);\r
 147             return toret;\r
 148         },\r
 149         setMetaData: function(metadata) {\r
 150             var view = this;\r
 151             this.metaTable.find('tr').remove();\r
 152             _.each(_.keys(metadata), function(key) {    \r
 153                 view._addMetaRow(key, metadata[key]);\r
 154             });\r
 155         },\r
 156         setBody: function(HTMLTree) {\r
 157             this.node.find('#rng-visualEditor-content').html(HTMLTree);\r
 158         },\r
 159         getBody: function() {\r
 160             return this.node.find('#rng-visualEditor-content').html();\r
 161         }, \r
 162         _markSelected: function(node) {\r
 163             this.dimNode(node);\r
 164             \r
 165             this.node.find('.rng-current').removeClass('rng-current');\r
 166             \r
 167             node.addClass('rng-current');\r
 168 \r
 169             this.currentNode = node;\r
 170             mediator.nodeSelected(node);\r
 171         },\r
 172         selectNode: function(node) {\r
 173             view._markSelected(node);\r
 174             var range = document.createRange();\r
 175             range.selectNodeContents(node[0]);\r
 176             range.collapse(false);\r
 177 \r
 178             var selection = document.getSelection();\r
 179             selection.removeAllRanges()\r
 180             selection.addRange(range);\r
 181         },\r
 182         selectNodeById: function(id) {\r
 183             var node = this.node.find('#'+id);\r
 184             if(node)\r
 185                 this.selectNode(node);\r
 186         },\r
 187         highlightNode: function(node) {\r
 188             if(!this.gridToggled) {\r
 189                 node.addClass('rng-hover');\r
 190                 var label = node.attr('wlxml-tag');\r
 191                 if(node.attr('wlxml-class'))\r
 192                     label += ' / ' + node.attr('wlxml-class');\r
 193                 var tag = $('<div>').addClass('rng-visualEditor-nodeHoverTag').text(label);\r
 194                 node.append(tag);\r
 195             }\r
 196         },\r
 197         dimNode: function(node) {\r
 198             if(!this.gridToggled) {\r
 199                 node.removeClass('rng-hover');\r
 200                 node.find('.rng-visualEditor-nodeHoverTag').remove();\r
 201             }\r
 202         },\r
 203         highlightNodeById: function(id) {\r
 204             var node = this.node.find('#'+id);\r
 205             if(node)\r
 206                 this.highlightNode(node);\r
 207         },\r
 208         dimNodeById: function(id) {\r
 209             var node = this.node.find('#'+id);\r
 210             if(node)\r
 211                 this.dimNode(node);\r
 212         },\r
 213         selectFirstNode: function() {\r
 214             var firstNodeWithText = this.node.find('[wlxml-tag]').filter(function() {\r
 215                 return $(this).clone().children().remove().end().text().trim() !== '';\r
 216             }).first();\r
 217             var node;\r
 218             if(firstNodeWithText.length)\r
 219                 node = $(firstNodeWithText[0])\r
 220             else {\r
 221                 node = this.node.find('[wlxml-class|="p"]')\r
 222             }\r
 223             this.selectNode(node);\r
 224         },\r
 225         _addMetaRow: function(key, value) {\r
 226             var newRow = $(sandbox.getTemplate('metaItem')({key: key || '', value: value || ''}));\r
 227             newRow.appendTo(this.metaTable);\r
 228             return newRow;\r
 229         },\r
 230         toggleGrid: function(toggle) {\r
 231             this.node.find('[wlxml-tag]').toggleClass('rng-hover', toggle);\r
 232             this.gridToggled = toggle;\r
 233         },\r
 234         toggleTags: function(toggle) {\r
 235         \r
 236         }\r
 237     };\r
 238     \r
 239     \r
 240     var sideBarView = {\r
 241         node: view.node.find('#rng-visualEditor-sidebar'),\r
 242         setup: function() {\r
 243             var view = this;\r
 244             this.node.find('#rng-visualEditor-sidebarButtons a').click(function(e) {\r
 245                 e.preventDefault();\r
 246                 var target = $(e.currentTarget);\r
 247                 if(!target.attr('data-content-id'))\r
 248                     return;\r
 249                 view.selectTab(target.attr('data-content-id'));\r
 250             });\r
 251             view.selectTab('rng-visualEditor-edit');\r
 252             \r
 253             view.node.on('change', '.rng-visualEditor-editPaneNodeForm select', function(e) {\r
 254                 var target = $(e.target);\r
 255                 var attr = target.attr('id').split('-')[2].split('editPane')[1].substr(0,3) === 'Tag' ? 'tag' : 'class';\r
 256                 mediator.getCurrentNode().attr('wlxml-'+attr, target.val());\r
 257                 isDirty = true;\r
 258             });\r
 259             \r
 260             view.node.on('change', '.rng-visualEditor-editPaneSelectionForm select', function(e) {\r
 261                 var target = $(e.target);\r
 262                 mediator.wrapWithNodeRequest(target.val(), null);\r
 263             });\r
 264             \r
 265             view.node.on('click', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 266                 var target = $(e.target);\r
 267                 mediator.nodeDimmedById(target.attr('data-id'));\r
 268                 mediator.nodeSelectedById(target.attr('data-id'));\r
 269             });\r
 270             \r
 271             view.node.on('mouseenter', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 272                 var target = $(e.target);\r
 273                 mediator.nodeHighlightedById(target.attr('data-id')); \r
 274             });\r
 275             view.node.on('mouseleave', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 276                 var target = $(e.target);\r
 277                 mediator.nodeDimmedById(target.attr('data-id')); \r
 278             });\r
 279         },\r
 280         selectTab: function(id) {\r
 281            this.node.find('.rng-visualEditor-sidebarContentItem').hide();\r
 282            this.node.find('#'+id).show();\r
 283            this.node.find('#rng-visualEditor-sidebarButtons li').removeClass('active');\r
 284            this.node.find('#rng-visualEditor-sidebarButtons li a[data-content-id=' + id + ']').parent().addClass('active');\r
 285         \r
 286         },\r
 287         updateEditPane: function(node) {\r
 288             var pane = this.node.find('#rng-visualEditor-edit');\r
 289             pane.html( $(sandbox.getTemplate('editPane')({tag: node.attr('wlxml-tag'), klass: node.attr('wlxml-class')})));\r
 290             \r
 291             var parent = {\r
 292                 repr: node.parent().attr('wlxml-tag') + ' / ' + (node.parent().attr('wlxml-class') || '[[no class]]'),\r
 293                 id: node.parent().attr('id')\r
 294             }\r
 295             var children = [];\r
 296             node.children('[wlxml-tag]').each(function() {\r
 297                 var child = $(this);\r
 298                 children.push({repr: child.attr('wlxml-tag') + ' / ' + (child.attr('wlxml-class') || '[[no class]]'), id: child.attr('id')});\r
 299             });\r
 300             var naviTemplate = sandbox.getTemplate('editPaneNavigation')({parent: parent, children: children});\r
 301             pane.find('.rng-visualEditor-editPaneSurrouding > div').html($(naviTemplate));\r
 302         },\r
 303         highlightNode: function(id) {\r
 304             var pane = this.node.find('#rng-visualEditor-edit');\r
 305             pane.find('a[data-id="'+id+'"]').addClass('rng-hover');\r
 306         },\r
 307         dimNode: function(id) {\r
 308             var pane = this.node.find('#rng-visualEditor-edit');\r
 309             pane.find('a[data-id="' +id+'"]').removeClass('rng-hover');\r
 310         }\r
 311     }\r
 312     \r
 313     var toolbarView = {\r
 314         node: view.node.find('#rng-visualEditor-toolbar'),\r
 315         setup: function() {\r
 316             var view = this;\r
 317             \r
 318             view.node.find('button').click(function(e) {\r
 319                 var btn = $(e.currentTarget);\r
 320                 if(btn.attr('data-btn-type') === 'toggle') {\r
 321                     btn.toggleClass('active')\r
 322                     mediator.toolbarButtonToggled(btn.attr('data-btn'), btn.hasClass('active'));\r
 323                 }\r
 324                 if(btn.attr('data-btn-type') === 'cmd') {\r
 325                     mediator.toolbarButtonCmd(btn.attr('data-btn'));\r
 326                 }\r
 327             });\r
 328         },\r
 329         getOption: function(option) {\r
 330             return this.node.find('.rng-visualEditor-toolbarOption[data-option=' + option +']').val();\r
 331         }\r
 332     }\r
 333     \r
 334     view.setup();\r
 335     sideBarView.setup();\r
 336     toolbarView.setup();\r
 337     \r
 338     var mediator = {\r
 339         getCurrentNode: function() {\r
 340             return view.currentNode;\r
 341         },\r
 342         nodeCreated: function(node) {\r
 343             view.selectNode(node);\r
 344         },\r
 345         nodeSelected: function(node) {\r
 346             sideBarView.updateEditPane(node);\r
 347         },\r
 348         nodeSelectedById: function(id) {\r
 349             view.selectNodeById(id);\r
 350         },\r
 351         nodeHighlightedById: function(id) {\r
 352             view.highlightNodeById(id);\r
 353         },\r
 354         nodeDimmedById: function(id) {\r
 355             view.dimNodeById(id);\r
 356         },\r
 357         toolbarButtonToggled: function(btn, toggle) {\r
 358             if(btn === 'grid')\r
 359                 view.toggleGrid(toggle);\r
 360             if(btn === 'tags')\r
 361                 view.toggleTags(toggle);\r
 362         },\r
 363         toolbarButtonCmd: function(btn) {\r
 364             if(btn === 'new-node') {\r
 365                 if(window.getSelection().isCollapsed)\r
 366                     view.insertNewNode(toolbarView.getOption('newTag-tag'), toolbarView.getOption('newTag-class'));\r
 367                 else {\r
 368                     this.wrapWithNodeRequest(toolbarView.getOption('newTag-tag'), toolbarView.getOption('newTag-class'));\r
 369                 }\r
 370                     \r
 371                     \r
 372             }\r
 373         },\r
 374         nodeHovered: function(node) {\r
 375             view.highlightNode(node);\r
 376             sideBarView.highlightNode(node.attr('id'));\r
 377         },\r
 378         nodeBlured: function(node) {\r
 379             view.dimNode(node);\r
 380             sideBarView.dimNode(node.attr('id'));\r
 381         },\r
 382         wrapWithNodeRequest: function(wlxmlTag, wlxmlClass) {\r
 383             view.wrapSelectionWithNewNode(wlxmlTag, wlxmlClass);\r
 384         }\r
 385         \r
 386     }\r
 387     \r
 388     var isDirty = false;\r
 389     var wasShownAlready = false;\r
 390     \r
 391     \r
 392     return {\r
 393         start: function() {\r
 394             sandbox.publish('ready');\r
 395         },\r
 396         getView: function() {\r
 397             return view.node;\r
 398         },\r
 399         setDocument: function(xml) {\r
 400             var transformed = transformations.fromXML.getDocumentDescription(xml);\r
 401             view.setBody(transformed.HTMLTree);\r
 402             view.setMetaData(transformed.metadata);\r
 403             isDirty = false;\r
 404         },\r
 405         getDocument: function() {\r
 406             return transformations.toXML.getXML({HTMLTree: view.getBody(), metadata: view.getMetaData()});\r
 407         },\r
 408         isDirty: function() {\r
 409             return isDirty;\r
 410         },\r
 411         setDirty: function(dirty) {\r
 412             isDirty = dirty;\r
 413         },\r
 414         onShowed: function() {\r
 415             if(!wasShownAlready) {\r
 416                 wasShownAlready = true;\r
 417                 view.selectFirstNode();\r
 418             }\r
 419         }\r
 420     \r
 421     }\r
 422 };