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: $(sandbox.getTemplate('main')()),\r
   6         currentNode: null,\r
   7         setup: function() {\r
   8             var view = this;\r
   9
  10             this.node.find('#rng-visualEditor-content').on('keyup', function() {\r
  11                 isDirty = true;\r
  12             });\r
  13             \r
  14             this.node.find('#rng-visualEditor-meta').on('keyup', function() {\r
  15                 isDirty = true;\r
  16             });\r
  17
  18             this.node.on('mouseover', '[wlxml-tag]', function(e) { view.highlightNode($(e.target));});\r
  19             this.node.on('mouseout', '[wlxml-tag]', function(e) { view.dimNode($(e.target));});\r
  20             this.node.on('click', '[wlxml-tag]', function(e) {\r
  21                 console.log('clicked node type: '+e.target.nodeType);\r
  22                 view._markSelected($(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);
  95         },\r
  96         getMetaData: function() {\r
  97             var toret = {};\r
  98             this.metaTable.find('tr').each(function() {\r
  99                 var tr = $(this);\r
 100                 var inputs = $(this).find('td [contenteditable]');\r
 101                 var key = $(inputs[0]).text();\r
 102                 var value = $(inputs[1]).text();\r
 103                 toret[key] = value;\r
 104             });\r
 105             console.log(toret);\r
 106             return toret;\r
 107         },\r
 108         setMetaData: function(metadata) {\r
 109             var view = this;\r
 110             this.metaTable.find('tr').remove();\r
 111             _.each(_.keys(metadata), function(key) {    \r
 112                 view._addMetaRow(key, metadata[key]);\r
 113             });\r
 114         },\r
 115         setBody: function(HTMLTree) {\r
 116             this.node.find('#rng-visualEditor-content').html(HTMLTree);\r
 117         },\r
 118         getBody: function() {\r
 119             return this.node.find('#rng-visualEditor-content').html();\r
 120         }, \r
 121         _markSelected: function(node) {\r
 122             this.node.find('.rng-current').removeClass('rng-current');\r
 123             node.addClass('rng-current');\r
 124             this.currentNode = node;\r
 125             mediator.nodeSelected(node);\r
 126         },\r
 127         selectNode: function(node) {\r
 128             view._markSelected(node);\r
 129             var range = document.createRange();\r
 130             range.selectNodeContents(node[0]);\r
 131             range.collapse(false);\r
 132 \r
 133             var selection = document.getSelection();\r
 134             selection.removeAllRanges()\r
 135             selection.addRange(range);\r
 136         },\r
 137         selectNodeById: function(id) {\r
 138             var node = this.node.find('#'+id);\r
 139             if(node)\r
 140                 this.selectNode(node);\r
 141         },\r
 142         highlightNode: function(node) {\r
 143             node.addClass('rng-hover');\r
 144             mediator.nodeHighlighted(node);\r
 145         },\r
 146         dimNode: function(node) {\r
 147             node.removeClass('rng-hover');\r
 148             mediator.nodeDimmed(node);\r
 149         },\r
 150         highlightNodeById: function(id) {\r
 151             var node = this.node.find('#'+id);\r
 152             if(node)\r
 153                 this.highlightNode(node);\r
 154         },\r
 155         dimNodeById: function(id) {\r
 156             var node = this.node.find('#'+id);\r
 157             if(node)\r
 158                 this.dimNode(node);\r
 159         },\r
 160         selectFirstNode: function() {\r
 161             var firstNodeWithText = this.node.find('[wlxml-tag]').filter(function() {\r
 162                 return $(this).clone().children().remove().end().text().trim() !== '';\r
 163             }).first();\r
 164             var node;\r
 165             if(firstNodeWithText.length)\r
 166                 node = $(firstNodeWithText[0])\r
 167             else {\r
 168                 node = this.node.find('[wlxml-class|="p"]')\r
 169             }\r
 170             this.selectNode(node);\r
 171         },\r
 172         _addMetaRow: function(key, value) {\r
 173             var newRow = $(sandbox.getTemplate('metaItem')({key: key || '', value: value || ''}));\r
 174             newRow.appendTo(this.metaTable);\r
 175             return newRow;\r
 176         }\r
 177     };\r
 178     \r
 179     \r
 180     var sideBarView = {\r
 181         node: view.node.find('#rng-visualEditor-sidebar'),\r
 182         setup: function() {\r
 183             var view = this;\r
 184             this.node.find('#rng-visualEditor-sidebarButtons a').click(function(e) {\r
 185                 e.preventDefault();\r
 186                 var target = $(e.currentTarget);\r
 187                 if(!target.attr('data-content-id'))\r
 188                     return;\r
 189                 view.selectTab(target.attr('data-content-id'));\r
 190             });\r
 191             view.selectTab('rng-visualEditor-edit');\r
 192             \r
 193             view.node.on('change', '.rng-visualEditor-editPaneNodeForm select', function(e) {\r
 194                 var target = $(e.target);\r
 195                 var attr = target.attr('id').split('-')[2].split('editPane')[1].substr(0,3) === 'Tag' ? 'tag' : 'class';\r
 196                 mediator.getCurrentNode().attr('wlxml-'+attr, target.val());\r
 197                 isDirty = true;\r
 198             });\r
 199             \r
 200             view.node.on('change', '.rng-visualEditor-editPaneSelectionForm select', function(e) {\r
 201                 var target = $(e.target);\r
 202                 var selection = window.getSelection();\r
 203                 if(selection.anchorNode === selection.focusNode && selection.anchorNode.nodeType === Node.TEXT_NODE) {\r
 204                     var startOffset = selection.anchorOffset;\r
 205                     var endOffset = selection.focusOffset;\r
 206                     if(startOffset > endOffset) {\r
 207                         var tmp = startOffset;\r
 208                         startOffset = endOffset;\r
 209                         endOffset = tmp;\r
 210                     }\r
 211                     var node = selection.anchorNode;\r
 212                     var prefix = node.data.substr(0, startOffset);\r
 213                     var suffix = node.data.substr(endOffset);\r
 214                     var core = node.data.substr(startOffset, endOffset - startOffset);\r
 215                     var newNode = $('<span wlxml-tag="' + target.val() + '">' + core + '</span>');\r
 216                     $(node).replaceWith(newNode);\r
 217                     newNode.before(prefix);\r
 218                     newNode.after(suffix);\r
 219                     mediator.nodeCreated(newNode);\r
 220                     isDirty = true;\r
 221                 }\r
 222             });\r
 223             \r
 224             view.node.on('click', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 225                 var target = $(e.target);\r
 226                 mediator.nodeDimmedById(target.attr('data-id'));\r
 227                 mediator.nodeSelectedById(target.attr('data-id'));\r
 228             });\r
 229             \r
 230             view.node.on('mouseenter', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 231                 var target = $(e.target);\r
 232                 mediator.nodeHighlightedById(target.attr('data-id')); \r
 233             });\r
 234             view.node.on('mouseleave', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 235                 var target = $(e.target);\r
 236                 mediator.nodeDimmedById(target.attr('data-id')); \r
 237             });\r
 238         },\r
 239         selectTab: function(id) {\r
 240            this.node.find('.rng-visualEditor-sidebarContentItem').hide();\r
 241            this.node.find('#'+id).show();\r
 242            this.node.find('#rng-visualEditor-sidebarButtons li').removeClass('active');\r
 243            this.node.find('#rng-visualEditor-sidebarButtons li a[data-content-id=' + id + ']').parent().addClass('active');\r
 244         \r
 245         },\r
 246         updateEditPane: function(node) {\r
 247             var pane = this.node.find('#rng-visualEditor-edit');\r
 248             pane.html( $(sandbox.getTemplate('editPane')({tag: node.attr('wlxml-tag'), klass: node.attr('wlxml-class')})));\r
 249             \r
 250             var parent = {\r
 251                 repr: node.parent().attr('wlxml-tag') + ' / ' + (node.parent().attr('wlxml-class') || '[[no class]]'),\r
 252                 id: node.parent().attr('id')\r
 253             }\r
 254             var children = [];\r
 255             node.children().each(function() {\r
 256                 var child = $(this);\r
 257                 children.push({repr: child.attr('wlxml-tag') + ' / ' + (child.attr('wlxml-class') || '[[no class]]'), id: child.attr('id')});\r
 258             });\r
 259             var naviTemplate = sandbox.getTemplate('editPaneNavigation')({parent: parent, children: children});\r
 260             pane.find('.rng-visualEditor-editPaneSurrouding > div').html($(naviTemplate));\r
 261         },\r
 262         highlightNode: function(id) {\r
 263             var pane = this.node.find('#rng-visualEditor-edit');\r
 264             pane.find('a[data-id="'+id+'"]').addClass('rng-hover');\r
 265         },\r
 266         dimNode: function(id) {\r
 267             var pane = this.node.find('#rng-visualEditor-edit');\r
 268             pane.find('a[data-id="' +id+'"]').removeClass('rng-hover');\r
 269         }\r
 270     }\r
 271     \r
 272     view.setup();\r
 273     sideBarView.setup();\r
 274     \r
 275     var mediator = {\r
 276         getCurrentNode: function() {\r
 277             return view.currentNode;\r
 278         },\r
 279         nodeCreated: function(node) {\r
 280             view.selectNode(node);\r
 281             \r
 282         },\r
 283         nodeSelected: function(node) {\r
 284             sideBarView.updateEditPane(node);\r
 285         },\r
 286         nodeSelectedById: function(id) {\r
 287             view.selectNodeById(id);\r
 288         },\r
 289         nodeHighlightedById: function(id) {\r
 290             view.highlightNodeById(id);\r
 291         },\r
 292         nodeDimmedById: function(id) {\r
 293             view.dimNodeById(id);\r
 294         },\r
 295         nodeHighlighted: function(node) {\r
 296             sideBarView.highlightNode(node.attr('id'));\r
 297         },\r
 298         nodeDimmed: function(node) {\r
 299             sideBarView.dimNode(node.attr('id'));\r
 300         }\r
 301     }\r
 302     \r
 303     var isDirty = false;\r
 304     var wasShownAlready = false;\r
 305     \r
 306     \r
 307     return {\r
 308         start: function() {\r
 309             sandbox.publish('ready');\r
 310         },\r
 311         getView: function() {\r
 312             return view.node;\r
 313         },\r
 314         setDocument: function(xml) {\r
 315             var transformed = transformations.fromXML.getDocumentDescription(xml);\r
 316             view.setBody(transformed.HTMLTree);\r
 317             view.setMetaData(transformed.metadata);\r
 318             isDirty = false;\r
 319         },\r
 320         getDocument: function() {\r
 321             return transformations.toXML.getXML({HTMLTree: view.getBody(), metadata: view.getMetaData()});\r
 322         },\r
 323         isDirty: function() {\r
 324             return isDirty;\r
 325         },\r
 326         setDirty: function(dirty) {\r
 327             isDirty = dirty;\r
 328         },\r
 329         onShowed: function() {\r
 330             if(!wasShownAlready) {\r
 331                 wasShownAlready = true;\r
 332                 view.selectFirstNode();\r
 333             }\r
 334         }\r
 335     \r
 336     }\r
 337 };