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                     if(anchor.text() === '') {\r
  41                         var todel = anchor;\r
  42                         anchor = anchor.parent();\r
  43                         todel.remove();\r
  44                     }\r
  45                     var newNode = anchor.clone().empty();\r
  46                     newNode.attr('id', '');\r
  47                     anchor.after(newNode);\r
  48                     view.selectNode(newNode);\r
  49                 }\r
  50             });\r
  51             \r
  52             \r
  53             var metaTable = this.metaTable = this.node.find('#rng-visualEditor-meta table');\r
  54             \r
  55             this.node.find('.rng-visualEditor-metaAddBtn').click(function() {\r
  56                 var newRow = view._addMetaRow('', '');\r
  57                 $(newRow.find('td div')[0]).focus();\r
  58                 isDirty = true;\r
  59             });\r
  60             \r
  61             this.metaTable.on('click', '.rng-visualEditor-metaRemoveBtn', function(e) {\r
  62                 $(e.target).closest('tr').remove();\r
  63                 isDirty = true;\r
  64             });\r
  65             \r
  66             this.metaTable.on('keydown', '[contenteditable]', function(e) {\r
  67                 console.log(e.which);\r
  68                 if(e.which === 13) { \r
  69                     if($(document.activeElement).hasClass('rng-visualEditor-metaItemKey')) {\r
  70                         metaTable.find('.rng-visualEditor-metaItemValue').focus();\r
  71                     } else {\r
  72                         var input = $('<input>');\r
  73                         input.appendTo('body').focus()\r
  74                         view.node.find('.rng-visualEditor-metaAddBtn').focus();\r
  75                         input.remove();\r
  76                     }\r
  77                     e.preventDefault();\r
  78                 }\r
  79                 \r
  80             });\r
  81             \r
  82             \r
  83             var observer = new MutationObserver(function(mutations) {\r
  84               mutations.forEach(function(mutation) {\r
  85                 if(mutation.addedNodes.length > 0) {\r
  86                     console.log(mutation.addedNodes);\r
  87                 }\r
  88                 _.each(mutation.addedNodes, function(node) {\r
  89                     node = $(node);\r
  90                     node.parent().find('[wlxml-tag]').each(function() {\r
  91                         tag = $(this);\r
  92                         if(!tag.attr('id'))\r
  93                             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
  94                     });\r
  95                 });\r
  96               });    \r
  97             });\r
  98             var config = { attributes: true, childList: true, characterData: true, subtree: true };\r
  99             observer.observe(this.node.find('#rng-visualEditor-contentWrapper')[0], config);\r
 100             \r
 101             this.gridToggled = false;
 102         },\r
 103         getMetaData: function() {\r
 104             var toret = {};\r
 105             this.metaTable.find('tr').each(function() {\r
 106                 var tr = $(this);\r
 107                 var inputs = $(this).find('td [contenteditable]');\r
 108                 var key = $(inputs[0]).text();\r
 109                 var value = $(inputs[1]).text();\r
 110                 toret[key] = value;\r
 111             });\r
 112             console.log(toret);\r
 113             return toret;\r
 114         },\r
 115         setMetaData: function(metadata) {\r
 116             var view = this;\r
 117             this.metaTable.find('tr').remove();\r
 118             _.each(_.keys(metadata), function(key) {    \r
 119                 view._addMetaRow(key, metadata[key]);\r
 120             });\r
 121         },\r
 122         setBody: function(HTMLTree) {\r
 123             this.node.find('#rng-visualEditor-content').html(HTMLTree);\r
 124         },\r
 125         getBody: function() {\r
 126             return this.node.find('#rng-visualEditor-content').html();\r
 127         }, \r
 128         _markSelected: function(node) {\r
 129             this.dimNode(node);\r
 130             this.node.find('.rng-current').removeClass('rng-current');\r
 131             node.addClass('rng-current');\r
 132             this.currentNode = node;\r
 133             mediator.nodeSelected(node);\r
 134         },\r
 135         selectNode: function(node) {\r
 136             view._markSelected(node);\r
 137             var range = document.createRange();\r
 138             range.selectNodeContents(node[0]);\r
 139             range.collapse(false);\r
 140 \r
 141             var selection = document.getSelection();\r
 142             selection.removeAllRanges()\r
 143             selection.addRange(range);\r
 144         },\r
 145         selectNodeById: function(id) {\r
 146             var node = this.node.find('#'+id);\r
 147             if(node)\r
 148                 this.selectNode(node);\r
 149         },\r
 150         highlightNode: function(node) {\r
 151             if(!this.gridToggled) {\r
 152                 node.addClass('rng-hover');\r
 153                 var label = node.attr('wlxml-tag');\r
 154                 if(node.attr('wlxml-class'))\r
 155                     label += ' / ' + node.attr('wlxml-class');\r
 156                 var tag = $('<div>').addClass('rng-visualEditor-nodeHoverTag').text(label);\r
 157                 node.append(tag);\r
 158             }\r
 159         },\r
 160         dimNode: function(node) {\r
 161             if(!this.gridToggled) {\r
 162                 node.removeClass('rng-hover');\r
 163                 node.find('.rng-visualEditor-nodeHoverTag').remove();\r
 164             }\r
 165         },\r
 166         highlightNodeById: function(id) {\r
 167             var node = this.node.find('#'+id);\r
 168             if(node)\r
 169                 this.highlightNode(node);\r
 170         },\r
 171         dimNodeById: function(id) {\r
 172             var node = this.node.find('#'+id);\r
 173             if(node)\r
 174                 this.dimNode(node);\r
 175         },\r
 176         selectFirstNode: function() {\r
 177             var firstNodeWithText = this.node.find('[wlxml-tag]').filter(function() {\r
 178                 return $(this).clone().children().remove().end().text().trim() !== '';\r
 179             }).first();\r
 180             var node;\r
 181             if(firstNodeWithText.length)\r
 182                 node = $(firstNodeWithText[0])\r
 183             else {\r
 184                 node = this.node.find('[wlxml-class|="p"]')\r
 185             }\r
 186             this.selectNode(node);\r
 187         },\r
 188         _addMetaRow: function(key, value) {\r
 189             var newRow = $(sandbox.getTemplate('metaItem')({key: key || '', value: value || ''}));\r
 190             newRow.appendTo(this.metaTable);\r
 191             return newRow;\r
 192         },\r
 193         toggleGrid: function(toggle) {\r
 194             this.node.find('[wlxml-tag]').toggleClass('rng-hover', toggle);\r
 195             this.gridToggled = toggle;\r
 196         },\r
 197         toggleTags: function(toggle) {\r
 198         \r
 199         }\r
 200     };\r
 201     \r
 202     \r
 203     var sideBarView = {\r
 204         node: view.node.find('#rng-visualEditor-sidebar'),\r
 205         setup: function() {\r
 206             var view = this;\r
 207             this.node.find('#rng-visualEditor-sidebarButtons a').click(function(e) {\r
 208                 e.preventDefault();\r
 209                 var target = $(e.currentTarget);\r
 210                 if(!target.attr('data-content-id'))\r
 211                     return;\r
 212                 view.selectTab(target.attr('data-content-id'));\r
 213             });\r
 214             view.selectTab('rng-visualEditor-edit');\r
 215             \r
 216             view.node.on('change', '.rng-visualEditor-editPaneNodeForm select', function(e) {\r
 217                 var target = $(e.target);\r
 218                 var attr = target.attr('id').split('-')[2].split('editPane')[1].substr(0,3) === 'Tag' ? 'tag' : 'class';\r
 219                 mediator.getCurrentNode().attr('wlxml-'+attr, target.val());\r
 220                 isDirty = true;\r
 221             });\r
 222             \r
 223             view.node.on('change', '.rng-visualEditor-editPaneSelectionForm select', function(e) {\r
 224                 var target = $(e.target);\r
 225                 var selection = window.getSelection();\r
 226                 if(selection.anchorNode === selection.focusNode && selection.anchorNode.nodeType === Node.TEXT_NODE) {\r
 227                     var startOffset = selection.anchorOffset;\r
 228                     var endOffset = selection.focusOffset;\r
 229                     if(startOffset > endOffset) {\r
 230                         var tmp = startOffset;\r
 231                         startOffset = endOffset;\r
 232                         endOffset = tmp;\r
 233                     }\r
 234                     var node = selection.anchorNode;\r
 235                     var prefix = node.data.substr(0, startOffset);\r
 236                     var suffix = node.data.substr(endOffset);\r
 237                     var core = node.data.substr(startOffset, endOffset - startOffset);\r
 238                     var newNode = $('<span wlxml-tag="' + target.val() + '">' + core + '</span>');\r
 239                     $(node).replaceWith(newNode);\r
 240                     newNode.before(prefix);\r
 241                     newNode.after(suffix);\r
 242                     mediator.nodeCreated(newNode);\r
 243                     isDirty = true;\r
 244                 }\r
 245             });\r
 246             \r
 247             view.node.on('click', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 248                 var target = $(e.target);\r
 249                 mediator.nodeDimmedById(target.attr('data-id'));\r
 250                 mediator.nodeSelectedById(target.attr('data-id'));\r
 251             });\r
 252             \r
 253             view.node.on('mouseenter', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 254                 var target = $(e.target);\r
 255                 mediator.nodeHighlightedById(target.attr('data-id')); \r
 256             });\r
 257             view.node.on('mouseleave', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 258                 var target = $(e.target);\r
 259                 mediator.nodeDimmedById(target.attr('data-id')); \r
 260             });\r
 261         },\r
 262         selectTab: function(id) {\r
 263            this.node.find('.rng-visualEditor-sidebarContentItem').hide();\r
 264            this.node.find('#'+id).show();\r
 265            this.node.find('#rng-visualEditor-sidebarButtons li').removeClass('active');\r
 266            this.node.find('#rng-visualEditor-sidebarButtons li a[data-content-id=' + id + ']').parent().addClass('active');\r
 267         \r
 268         },\r
 269         updateEditPane: function(node) {\r
 270             var pane = this.node.find('#rng-visualEditor-edit');\r
 271             pane.html( $(sandbox.getTemplate('editPane')({tag: node.attr('wlxml-tag'), klass: node.attr('wlxml-class')})));\r
 272             \r
 273             var parent = {\r
 274                 repr: node.parent().attr('wlxml-tag') + ' / ' + (node.parent().attr('wlxml-class') || '[[no class]]'),\r
 275                 id: node.parent().attr('id')\r
 276             }\r
 277             var children = [];\r
 278             node.children('[wlxml-tag]').each(function() {\r
 279                 var child = $(this);\r
 280                 children.push({repr: child.attr('wlxml-tag') + ' / ' + (child.attr('wlxml-class') || '[[no class]]'), id: child.attr('id')});\r
 281             });\r
 282             var naviTemplate = sandbox.getTemplate('editPaneNavigation')({parent: parent, children: children});\r
 283             pane.find('.rng-visualEditor-editPaneSurrouding > div').html($(naviTemplate));\r
 284         },\r
 285         highlightNode: function(id) {\r
 286             var pane = this.node.find('#rng-visualEditor-edit');\r
 287             pane.find('a[data-id="'+id+'"]').addClass('rng-hover');\r
 288         },\r
 289         dimNode: function(id) {\r
 290             var pane = this.node.find('#rng-visualEditor-edit');\r
 291             pane.find('a[data-id="' +id+'"]').removeClass('rng-hover');\r
 292         }\r
 293     }\r
 294     \r
 295     var toolbarView = {\r
 296         node: view.node.find('#rng-visualEditor-toolbar'),\r
 297         setup: function() {\r
 298             var view = this;\r
 299             \r
 300             view.node.find('button').click(function(e) {\r
 301                 var btn = $(e.currentTarget);\r
 302                 if(btn.attr('data-btn-type') === 'toggle') {\r
 303                     btn.toggleClass('active')\r
 304                     mediator.toolbarButtonToggled(btn.attr('data-btn'), btn.hasClass('active'));\r
 305                 }\r
 306             });\r
 307         }\r
 308     }\r
 309     \r
 310     view.setup();\r
 311     sideBarView.setup();\r
 312     toolbarView.setup();\r
 313     \r
 314     var mediator = {\r
 315         getCurrentNode: function() {\r
 316             return view.currentNode;\r
 317         },\r
 318         nodeCreated: function(node) {\r
 319             view.selectNode(node);\r
 320             \r
 321         },\r
 322         nodeSelected: function(node) {\r
 323             sideBarView.updateEditPane(node);\r
 324         },\r
 325         nodeSelectedById: function(id) {\r
 326             view.selectNodeById(id);\r
 327         },\r
 328         nodeHighlightedById: function(id) {\r
 329             view.highlightNodeById(id);\r
 330         },\r
 331         nodeDimmedById: function(id) {\r
 332             view.dimNodeById(id);\r
 333         },\r
 334         toolbarButtonToggled: function(btn, toggle) {\r
 335             if(btn === 'grid')\r
 336                 view.toggleGrid(toggle);\r
 337             if(btn === 'tags')\r
 338                 view.toggleTags(toggle);\r
 339         },\r
 340         nodeHovered: function(node) {\r
 341             view.highlightNode(node);\r
 342             sideBarView.highlightNode(node.attr('id'));\r
 343         },\r
 344         nodeBlured: function(node) {\r
 345             view.dimNode(node);\r
 346             sideBarView.dimNode(node.attr('id'));\r
 347         }\r
 348         \r
 349     }\r
 350     \r
 351     var isDirty = false;\r
 352     var wasShownAlready = false;\r
 353     \r
 354     \r
 355     return {\r
 356         start: function() {\r
 357             sandbox.publish('ready');\r
 358         },\r
 359         getView: function() {\r
 360             return view.node;\r
 361         },\r
 362         setDocument: function(xml) {\r
 363             var transformed = transformations.fromXML.getDocumentDescription(xml);\r
 364             view.setBody(transformed.HTMLTree);\r
 365             view.setMetaData(transformed.metadata);\r
 366             isDirty = false;\r
 367         },\r
 368         getDocument: function() {\r
 369             return transformations.toXML.getXML({HTMLTree: view.getBody(), metadata: view.getMetaData()});\r
 370         },\r
 371         isDirty: function() {\r
 372             return isDirty;\r
 373         },\r
 374         setDirty: function(dirty) {\r
 375             isDirty = dirty;\r
 376         },\r
 377         onShowed: function() {\r
 378             if(!wasShownAlready) {\r
 379                 wasShownAlready = true;\r
 380                 view.selectFirstNode();\r
 381             }\r
 382         }\r
 383     \r
 384     }\r
 385 };