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.node.find('.rng-current').removeClass('rng-current');\r
 125             node.addClass('rng-current');\r
 126             this.currentNode = node;\r
 127             mediator.nodeSelected(node);\r
 128         },\r
 129         selectNode: function(node) {\r
 130             view._markSelected(node);\r
 131             var range = document.createRange();\r
 132             range.selectNodeContents(node[0]);\r
 133             range.collapse(false);\r
 134 \r
 135             var selection = document.getSelection();\r
 136             selection.removeAllRanges()\r
 137             selection.addRange(range);\r
 138         },\r
 139         selectNodeById: function(id) {\r
 140             var node = this.node.find('#'+id);\r
 141             if(node)\r
 142                 this.selectNode(node);\r
 143         },\r
 144         highlightNode: function(node) {\r
 145             if(!this.gridToggled)\r
 146                 node.addClass('rng-hover');\r
 147         },\r
 148         dimNode: function(node) {\r
 149             if(!this.gridToggled)\r
 150                 node.removeClass('rng-hover');\r
 151         },\r
 152         highlightNodeById: function(id) {\r
 153             var node = this.node.find('#'+id);\r
 154             if(node)\r
 155                 this.highlightNode(node);\r
 156         },\r
 157         dimNodeById: function(id) {\r
 158             var node = this.node.find('#'+id);\r
 159             if(node)\r
 160                 this.dimNode(node);\r
 161         },\r
 162         selectFirstNode: function() {\r
 163             var firstNodeWithText = this.node.find('[wlxml-tag]').filter(function() {\r
 164                 return $(this).clone().children().remove().end().text().trim() !== '';\r
 165             }).first();\r
 166             var node;\r
 167             if(firstNodeWithText.length)\r
 168                 node = $(firstNodeWithText[0])\r
 169             else {\r
 170                 node = this.node.find('[wlxml-class|="p"]')\r
 171             }\r
 172             this.selectNode(node);\r
 173         },\r
 174         _addMetaRow: function(key, value) {\r
 175             var newRow = $(sandbox.getTemplate('metaItem')({key: key || '', value: value || ''}));\r
 176             newRow.appendTo(this.metaTable);\r
 177             return newRow;\r
 178         },\r
 179         toggleGrid: function(toggle) {\r
 180             this.node.find('[wlxml-tag]').toggleClass('rng-hover', toggle);\r
 181             this.gridToggled = toggle;\r
 182         }\r
 183     };\r
 184     \r
 185     \r
 186     var sideBarView = {\r
 187         node: view.node.find('#rng-visualEditor-sidebar'),\r
 188         setup: function() {\r
 189             var view = this;\r
 190             this.node.find('#rng-visualEditor-sidebarButtons a').click(function(e) {\r
 191                 e.preventDefault();\r
 192                 var target = $(e.currentTarget);\r
 193                 if(!target.attr('data-content-id'))\r
 194                     return;\r
 195                 view.selectTab(target.attr('data-content-id'));\r
 196             });\r
 197             view.selectTab('rng-visualEditor-edit');\r
 198             \r
 199             view.node.on('change', '.rng-visualEditor-editPaneNodeForm select', function(e) {\r
 200                 var target = $(e.target);\r
 201                 var attr = target.attr('id').split('-')[2].split('editPane')[1].substr(0,3) === 'Tag' ? 'tag' : 'class';\r
 202                 mediator.getCurrentNode().attr('wlxml-'+attr, target.val());\r
 203                 isDirty = true;\r
 204             });\r
 205             \r
 206             view.node.on('change', '.rng-visualEditor-editPaneSelectionForm select', function(e) {\r
 207                 var target = $(e.target);\r
 208                 var selection = window.getSelection();\r
 209                 if(selection.anchorNode === selection.focusNode && selection.anchorNode.nodeType === Node.TEXT_NODE) {\r
 210                     var startOffset = selection.anchorOffset;\r
 211                     var endOffset = selection.focusOffset;\r
 212                     if(startOffset > endOffset) {\r
 213                         var tmp = startOffset;\r
 214                         startOffset = endOffset;\r
 215                         endOffset = tmp;\r
 216                     }\r
 217                     var node = selection.anchorNode;\r
 218                     var prefix = node.data.substr(0, startOffset);\r
 219                     var suffix = node.data.substr(endOffset);\r
 220                     var core = node.data.substr(startOffset, endOffset - startOffset);\r
 221                     var newNode = $('<span wlxml-tag="' + target.val() + '">' + core + '</span>');\r
 222                     $(node).replaceWith(newNode);\r
 223                     newNode.before(prefix);\r
 224                     newNode.after(suffix);\r
 225                     mediator.nodeCreated(newNode);\r
 226                     isDirty = true;\r
 227                 }\r
 228             });\r
 229             \r
 230             view.node.on('click', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 231                 var target = $(e.target);\r
 232                 mediator.nodeDimmedById(target.attr('data-id'));\r
 233                 mediator.nodeSelectedById(target.attr('data-id'));\r
 234             });\r
 235             \r
 236             view.node.on('mouseenter', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 237                 var target = $(e.target);\r
 238                 mediator.nodeHighlightedById(target.attr('data-id')); \r
 239             });\r
 240             view.node.on('mouseleave', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 241                 var target = $(e.target);\r
 242                 mediator.nodeDimmedById(target.attr('data-id')); \r
 243             });\r
 244         },\r
 245         selectTab: function(id) {\r
 246            this.node.find('.rng-visualEditor-sidebarContentItem').hide();\r
 247            this.node.find('#'+id).show();\r
 248            this.node.find('#rng-visualEditor-sidebarButtons li').removeClass('active');\r
 249            this.node.find('#rng-visualEditor-sidebarButtons li a[data-content-id=' + id + ']').parent().addClass('active');\r
 250         \r
 251         },\r
 252         updateEditPane: function(node) {\r
 253             var pane = this.node.find('#rng-visualEditor-edit');\r
 254             pane.html( $(sandbox.getTemplate('editPane')({tag: node.attr('wlxml-tag'), klass: node.attr('wlxml-class')})));\r
 255             \r
 256             var parent = {\r
 257                 repr: node.parent().attr('wlxml-tag') + ' / ' + (node.parent().attr('wlxml-class') || '[[no class]]'),\r
 258                 id: node.parent().attr('id')\r
 259             }\r
 260             var children = [];\r
 261             node.children().each(function() {\r
 262                 var child = $(this);\r
 263                 children.push({repr: child.attr('wlxml-tag') + ' / ' + (child.attr('wlxml-class') || '[[no class]]'), id: child.attr('id')});\r
 264             });\r
 265             var naviTemplate = sandbox.getTemplate('editPaneNavigation')({parent: parent, children: children});\r
 266             pane.find('.rng-visualEditor-editPaneSurrouding > div').html($(naviTemplate));\r
 267         },\r
 268         highlightNode: function(id) {\r
 269             var pane = this.node.find('#rng-visualEditor-edit');\r
 270             pane.find('a[data-id="'+id+'"]').addClass('rng-hover');\r
 271         },\r
 272         dimNode: function(id) {\r
 273             var pane = this.node.find('#rng-visualEditor-edit');\r
 274             pane.find('a[data-id="' +id+'"]').removeClass('rng-hover');\r
 275         }\r
 276     }\r
 277     \r
 278     var toolbarView = {\r
 279         node: view.node.find('#rng-visualEditor-toolbar'),\r
 280         setup: function() {\r
 281             var view = this;\r
 282             \r
 283             view.node.find('button').click(function(e) {\r
 284                 var btn = $(e.currentTarget);\r
 285                 if(btn.attr('data-btn-type') === 'toggle') {\r
 286                     btn.toggleClass('active')\r
 287                     mediator.toolbarButtonToggled(btn.attr('data-btn'), btn.hasClass('active'));\r
 288                 }\r
 289             });\r
 290         }\r
 291     }\r
 292     \r
 293     view.setup();\r
 294     sideBarView.setup();\r
 295     toolbarView.setup();\r
 296     \r
 297     var mediator = {\r
 298         getCurrentNode: function() {\r
 299             return view.currentNode;\r
 300         },\r
 301         nodeCreated: function(node) {\r
 302             view.selectNode(node);\r
 303             \r
 304         },\r
 305         nodeSelected: function(node) {\r
 306             sideBarView.updateEditPane(node);\r
 307         },\r
 308         nodeSelectedById: function(id) {\r
 309             view.selectNodeById(id);\r
 310         },\r
 311         nodeHighlightedById: function(id) {\r
 312             view.highlightNodeById(id);\r
 313         },\r
 314         nodeDimmedById: function(id) {\r
 315             view.dimNodeById(id);\r
 316         },\r
 317         toolbarButtonToggled: function(btn, toggle) {\r
 318             if(btn === 'grid')\r
 319                 view.toggleGrid(toggle);\r
 320         },\r
 321         nodeHovered: function(node) {\r
 322             view.highlightNode(node);\r
 323             sideBarView.highlightNode(node.attr('id'));\r
 324         },\r
 325         nodeBlured: function(node) {\r
 326             view.dimNode(node);\r
 327             sideBarView.dimNode(node.attr('id'));\r
 328         }\r
 329         \r
 330     }\r
 331     \r
 332     var isDirty = false;\r
 333     var wasShownAlready = false;\r
 334     \r
 335     \r
 336     return {\r
 337         start: function() {\r
 338             sandbox.publish('ready');\r
 339         },\r
 340         getView: function() {\r
 341             return view.node;\r
 342         },\r
 343         setDocument: function(xml) {\r
 344             var transformed = transformations.fromXML.getDocumentDescription(xml);\r
 345             view.setBody(transformed.HTMLTree);\r
 346             view.setMetaData(transformed.metadata);\r
 347             isDirty = false;\r
 348         },\r
 349         getDocument: function() {\r
 350             return transformations.toXML.getXML({HTMLTree: view.getBody(), metadata: view.getMetaData()});\r
 351         },\r
 352         isDirty: function() {\r
 353             return isDirty;\r
 354         },\r
 355         setDirty: function(dirty) {\r
 356             isDirty = dirty;\r
 357         },\r
 358         onShowed: function() {\r
 359             if(!wasShownAlready) {\r
 360                 wasShownAlready = true;\r
 361                 view.selectFirstNode();\r
 362             }\r
 363         }\r
 364     \r
 365     }\r
 366 };