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                     var anchor = $(window.getSelection().anchorNode);\r
  38                     if(anchor[0].nodeType === Node.TEXT_NODE)\r
  39                         anchor = anchor.parent();\r
  40                     var newNode = anchor.clone().empty();\r
  41                     newNode.attr('id', '');\r
  42                     anchor.after(newNode);\r
  43                     view.selectNode(newNode);\r
  44                 }\r
  45             });\r
  46             \r
  47             \r
  48             var metaTable = this.metaTable = this.node.find('#rng-visualEditor-meta table');\r
  49             \r
  50             this.node.find('.rng-visualEditor-metaAddBtn').click(function() {\r
  51                 var newRow = view._addMetaRow('', '');\r
  52                 $(newRow.find('td div')[0]).focus();\r
  53                 isDirty = true;\r
  54             });\r
  55             \r
  56             this.metaTable.on('click', '.rng-visualEditor-metaRemoveBtn', function(e) {\r
  57                 $(e.target).closest('tr').remove();\r
  58                 isDirty = true;\r
  59             });\r
  60             \r
  61             this.metaTable.on('keydown', '[contenteditable]', function(e) {\r
  62                 console.log(e.which);\r
  63                 if(e.which === 13) { \r
  64                     if($(document.activeElement).hasClass('rng-visualEditor-metaItemKey')) {\r
  65                         metaTable.find('.rng-visualEditor-metaItemValue').focus();\r
  66                     } else {\r
  67                         var input = $('<input>');\r
  68                         input.appendTo('body').focus()\r
  69                         view.node.find('.rng-visualEditor-metaAddBtn').focus();\r
  70                         input.remove();\r
  71                     }\r
  72                     e.preventDefault();\r
  73                 }\r
  74                 \r
  75             });\r
  76             \r
  77             \r
  78             var observer = new MutationObserver(function(mutations) {\r
  79               mutations.forEach(function(mutation) {\r
  80                 if(mutation.addedNodes.length > 0) {\r
  81                     console.log(mutation.addedNodes);\r
  82                 }\r
  83                 _.each(mutation.addedNodes, function(node) {\r
  84                     node = $(node);\r
  85                     node.parent().find('[wlxml-tag]').each(function() {\r
  86                         tag = $(this);\r
  87                         if(!tag.attr('id'))\r
  88                             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
  89                     });\r
  90                 });\r
  91               });    \r
  92             });\r
  93             var config = { attributes: true, childList: true, characterData: true, subtree: true };\r
  94             observer.observe(this.node.find('#rng-visualEditor-contentWrapper')[0], config);\r
  95             \r
  96             this.gridToggled = false;
  97         },\r
  98         getMetaData: function() {\r
  99             var toret = {};\r
 100             this.metaTable.find('tr').each(function() {\r
 101                 var tr = $(this);\r
 102                 var inputs = $(this).find('td [contenteditable]');\r
 103                 var key = $(inputs[0]).text();\r
 104                 var value = $(inputs[1]).text();\r
 105                 toret[key] = value;\r
 106             });\r
 107             console.log(toret);\r
 108             return toret;\r
 109         },\r
 110         setMetaData: function(metadata) {\r
 111             var view = this;\r
 112             this.metaTable.find('tr').remove();\r
 113             _.each(_.keys(metadata), function(key) {    \r
 114                 view._addMetaRow(key, metadata[key]);\r
 115             });\r
 116         },\r
 117         setBody: function(HTMLTree) {\r
 118             this.node.find('#rng-visualEditor-content').html(HTMLTree);\r
 119         },\r
 120         getBody: function() {\r
 121             return this.node.find('#rng-visualEditor-content').html();\r
 122         }, \r
 123         _markSelected: function(node) {\r
 124             this.dimNode(node);\r
 125             this.node.find('.rng-current').removeClass('rng-current');\r
 126             node.addClass('rng-current');\r
 127             this.currentNode = node;\r
 128             mediator.nodeSelected(node);\r
 129         },\r
 130         selectNode: function(node) {\r
 131             view._markSelected(node);\r
 132             var range = document.createRange();\r
 133             range.selectNodeContents(node[0]);\r
 134             range.collapse(false);\r
 135 \r
 136             var selection = document.getSelection();\r
 137             selection.removeAllRanges()\r
 138             selection.addRange(range);\r
 139         },\r
 140         selectNodeById: function(id) {\r
 141             var node = this.node.find('#'+id);\r
 142             if(node)\r
 143                 this.selectNode(node);\r
 144         },\r
 145         highlightNode: function(node) {\r
 146             if(!this.gridToggled) {\r
 147                 node.addClass('rng-hover');\r
 148                 var label = node.attr('wlxml-tag');\r
 149                 if(node.attr('wlxml-class'))\r
 150                     label += ' / ' + node.attr('wlxml-class');\r
 151                 var tag = $('<div>').addClass('rng-visualEditor-nodeHoverTag').text(label);\r
 152                 node.append(tag);\r
 153             }\r
 154         },\r
 155         dimNode: function(node) {\r
 156             if(!this.gridToggled) {\r
 157                 node.removeClass('rng-hover');\r
 158                 node.find('.rng-visualEditor-nodeHoverTag').remove();\r
 159             }\r
 160         },\r
 161         highlightNodeById: function(id) {\r
 162             var node = this.node.find('#'+id);\r
 163             if(node)\r
 164                 this.highlightNode(node);\r
 165         },\r
 166         dimNodeById: function(id) {\r
 167             var node = this.node.find('#'+id);\r
 168             if(node)\r
 169                 this.dimNode(node);\r
 170         },\r
 171         selectFirstNode: function() {\r
 172             var firstNodeWithText = this.node.find('[wlxml-tag]').filter(function() {\r
 173                 return $(this).clone().children().remove().end().text().trim() !== '';\r
 174             }).first();\r
 175             var node;\r
 176             if(firstNodeWithText.length)\r
 177                 node = $(firstNodeWithText[0])\r
 178             else {\r
 179                 node = this.node.find('[wlxml-class|="p"]')\r
 180             }\r
 181             this.selectNode(node);\r
 182         },\r
 183         _addMetaRow: function(key, value) {\r
 184             var newRow = $(sandbox.getTemplate('metaItem')({key: key || '', value: value || ''}));\r
 185             newRow.appendTo(this.metaTable);\r
 186             return newRow;\r
 187         },\r
 188         toggleGrid: function(toggle) {\r
 189             this.node.find('[wlxml-tag]').toggleClass('rng-hover', toggle);\r
 190             this.gridToggled = toggle;\r
 191         },\r
 192         toggleTags: function(toggle) {\r
 193         \r
 194         }\r
 195     };\r
 196     \r
 197     \r
 198     var sideBarView = {\r
 199         node: view.node.find('#rng-visualEditor-sidebar'),\r
 200         setup: function() {\r
 201             var view = this;\r
 202             this.node.find('#rng-visualEditor-sidebarButtons a').click(function(e) {\r
 203                 e.preventDefault();\r
 204                 var target = $(e.currentTarget);\r
 205                 if(!target.attr('data-content-id'))\r
 206                     return;\r
 207                 view.selectTab(target.attr('data-content-id'));\r
 208             });\r
 209             view.selectTab('rng-visualEditor-edit');\r
 210             \r
 211             view.node.on('change', '.rng-visualEditor-editPaneNodeForm select', function(e) {\r
 212                 var target = $(e.target);\r
 213                 var attr = target.attr('id').split('-')[2].split('editPane')[1].substr(0,3) === 'Tag' ? 'tag' : 'class';\r
 214                 mediator.getCurrentNode().attr('wlxml-'+attr, target.val());\r
 215                 isDirty = true;\r
 216             });\r
 217             \r
 218             view.node.on('change', '.rng-visualEditor-editPaneSelectionForm select', function(e) {\r
 219                 var target = $(e.target);\r
 220                 var selection = window.getSelection();\r
 221                 if(selection.anchorNode === selection.focusNode && selection.anchorNode.nodeType === Node.TEXT_NODE) {\r
 222                     var startOffset = selection.anchorOffset;\r
 223                     var endOffset = selection.focusOffset;\r
 224                     if(startOffset > endOffset) {\r
 225                         var tmp = startOffset;\r
 226                         startOffset = endOffset;\r
 227                         endOffset = tmp;\r
 228                     }\r
 229                     var node = selection.anchorNode;\r
 230                     var prefix = node.data.substr(0, startOffset);\r
 231                     var suffix = node.data.substr(endOffset);\r
 232                     var core = node.data.substr(startOffset, endOffset - startOffset);\r
 233                     var newNode = $('<span wlxml-tag="' + target.val() + '">' + core + '</span>');\r
 234                     $(node).replaceWith(newNode);\r
 235                     newNode.before(prefix);\r
 236                     newNode.after(suffix);\r
 237                     mediator.nodeCreated(newNode);\r
 238                     isDirty = true;\r
 239                 }\r
 240             });\r
 241             \r
 242             view.node.on('click', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 243                 var target = $(e.target);\r
 244                 mediator.nodeDimmedById(target.attr('data-id'));\r
 245                 mediator.nodeSelectedById(target.attr('data-id'));\r
 246             });\r
 247             \r
 248             view.node.on('mouseenter', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 249                 var target = $(e.target);\r
 250                 mediator.nodeHighlightedById(target.attr('data-id')); \r
 251             });\r
 252             view.node.on('mouseleave', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 253                 var target = $(e.target);\r
 254                 mediator.nodeDimmedById(target.attr('data-id')); \r
 255             });\r
 256         },\r
 257         selectTab: function(id) {\r
 258            this.node.find('.rng-visualEditor-sidebarContentItem').hide();\r
 259            this.node.find('#'+id).show();\r
 260            this.node.find('#rng-visualEditor-sidebarButtons li').removeClass('active');\r
 261            this.node.find('#rng-visualEditor-sidebarButtons li a[data-content-id=' + id + ']').parent().addClass('active');\r
 262         \r
 263         },\r
 264         updateEditPane: function(node) {\r
 265             var pane = this.node.find('#rng-visualEditor-edit');\r
 266             pane.html( $(sandbox.getTemplate('editPane')({tag: node.attr('wlxml-tag'), klass: node.attr('wlxml-class')})));\r
 267             \r
 268             var parent = {\r
 269                 repr: node.parent().attr('wlxml-tag') + ' / ' + (node.parent().attr('wlxml-class') || '[[no class]]'),\r
 270                 id: node.parent().attr('id')\r
 271             }\r
 272             var children = [];\r
 273             node.children('[wlxml-tag]').each(function() {\r
 274                 var child = $(this);\r
 275                 children.push({repr: child.attr('wlxml-tag') + ' / ' + (child.attr('wlxml-class') || '[[no class]]'), id: child.attr('id')});\r
 276             });\r
 277             var naviTemplate = sandbox.getTemplate('editPaneNavigation')({parent: parent, children: children});\r
 278             pane.find('.rng-visualEditor-editPaneSurrouding > div').html($(naviTemplate));\r
 279         },\r
 280         highlightNode: function(id) {\r
 281             var pane = this.node.find('#rng-visualEditor-edit');\r
 282             pane.find('a[data-id="'+id+'"]').addClass('rng-hover');\r
 283         },\r
 284         dimNode: function(id) {\r
 285             var pane = this.node.find('#rng-visualEditor-edit');\r
 286             pane.find('a[data-id="' +id+'"]').removeClass('rng-hover');\r
 287         }\r
 288     }\r
 289     \r
 290     var toolbarView = {\r
 291         node: view.node.find('#rng-visualEditor-toolbar'),\r
 292         setup: function() {\r
 293             var view = this;\r
 294             \r
 295             view.node.find('button').click(function(e) {\r
 296                 var btn = $(e.currentTarget);\r
 297                 if(btn.attr('data-btn-type') === 'toggle') {\r
 298                     btn.toggleClass('active')\r
 299                     mediator.toolbarButtonToggled(btn.attr('data-btn'), btn.hasClass('active'));\r
 300                 }\r
 301             });\r
 302         }\r
 303     }\r
 304     \r
 305     view.setup();\r
 306     sideBarView.setup();\r
 307     toolbarView.setup();\r
 308     \r
 309     var mediator = {\r
 310         getCurrentNode: function() {\r
 311             return view.currentNode;\r
 312         },\r
 313         nodeCreated: function(node) {\r
 314             view.selectNode(node);\r
 315             \r
 316         },\r
 317         nodeSelected: function(node) {\r
 318             sideBarView.updateEditPane(node);\r
 319         },\r
 320         nodeSelectedById: function(id) {\r
 321             view.selectNodeById(id);\r
 322         },\r
 323         nodeHighlightedById: function(id) {\r
 324             view.highlightNodeById(id);\r
 325         },\r
 326         nodeDimmedById: function(id) {\r
 327             view.dimNodeById(id);\r
 328         },\r
 329         toolbarButtonToggled: function(btn, toggle) {\r
 330             if(btn === 'grid')\r
 331                 view.toggleGrid(toggle);\r
 332             if(btn === 'tags')\r
 333                 view.toggleTags(toggle);\r
 334         },\r
 335         nodeHovered: function(node) {\r
 336             view.highlightNode(node);\r
 337             sideBarView.highlightNode(node.attr('id'));\r
 338         },\r
 339         nodeBlured: function(node) {\r
 340             view.dimNode(node);\r
 341             sideBarView.dimNode(node.attr('id'));\r
 342         }\r
 343         \r
 344     }\r
 345     \r
 346     var isDirty = false;\r
 347     var wasShownAlready = false;\r
 348     \r
 349     \r
 350     return {\r
 351         start: function() {\r
 352             sandbox.publish('ready');\r
 353         },\r
 354         getView: function() {\r
 355             return view.node;\r
 356         },\r
 357         setDocument: function(xml) {\r
 358             var transformed = transformations.fromXML.getDocumentDescription(xml);\r
 359             view.setBody(transformed.HTMLTree);\r
 360             view.setMetaData(transformed.metadata);\r
 361             isDirty = false;\r
 362         },\r
 363         getDocument: function() {\r
 364             return transformations.toXML.getXML({HTMLTree: view.getBody(), metadata: view.getMetaData()});\r
 365         },\r
 366         isDirty: function() {\r
 367             return isDirty;\r
 368         },\r
 369         setDirty: function(dirty) {\r
 370             isDirty = dirty;\r
 371         },\r
 372         onShowed: function() {\r
 373             if(!wasShownAlready) {\r
 374                 wasShownAlready = true;\r
 375                 view.selectFirstNode();\r
 376             }\r
 377         }\r
 378     \r
 379     }\r
 380 };