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) { $(e.target).addClass('rng-hover')});\r
  19             this.node.on('mouseout', '[wlxml-tag]', function(e) { $(e.target).removeClass('rng-hover')});\r
  20             this.node.on('click', '[wlxml-tag]', function(e) {\r
  21                 console.log('clicked node type: '+e.target.nodeType);\r
  22                 view._markSelected($(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         selectFirstNode: function() {\r
 143             var firstNodeWithText = this.node.find('[wlxml-tag]').filter(function() {\r
 144                 return $(this).clone().children().remove().end().text().trim() !== '';\r
 145             }).first();\r
 146             var node;\r
 147             if(firstNodeWithText.length)\r
 148                 node = $(firstNodeWithText[0])\r
 149             else {\r
 150                 node = this.node.find('[wlxml-class|="p"]')\r
 151             }\r
 152             this.selectNode(node);\r
 153         },\r
 154         _addMetaRow: function(key, value) {\r
 155             var newRow = $(sandbox.getTemplate('metaItem')({key: key || '', value: value || ''}));\r
 156             newRow.appendTo(this.metaTable);\r
 157             return newRow;\r
 158         }\r
 159     };\r
 160     \r
 161     \r
 162     var sideBarView = {\r
 163         node: view.node.find('#rng-visualEditor-sidebar'),\r
 164         setup: function() {\r
 165             var view = this;\r
 166             this.node.find('#rng-visualEditor-sidebarButtons a').click(function(e) {\r
 167                 e.preventDefault();\r
 168                 var target = $(e.currentTarget);\r
 169                 if(!target.attr('data-content-id'))\r
 170                     return;\r
 171                 view.selectTab(target.attr('data-content-id'));\r
 172             });\r
 173             view.selectTab('rng-visualEditor-edit');\r
 174             \r
 175             view.node.on('change', '.rng-visualEditor-editPaneNodeForm select', function(e) {\r
 176                 var target = $(e.target);\r
 177                 var attr = target.attr('id').split('-')[2].split('editPane')[1].substr(0,3) === 'Tag' ? 'tag' : 'class';\r
 178                 mediator.getCurrentNode().attr('wlxml-'+attr, target.val());\r
 179                 isDirty = true;\r
 180             });\r
 181             \r
 182             view.node.on('change', '.rng-visualEditor-editPaneSelectionForm select', function(e) {\r
 183                 var target = $(e.target);\r
 184                 var selection = window.getSelection();\r
 185                 if(selection.anchorNode === selection.focusNode && selection.anchorNode.nodeType === Node.TEXT_NODE) {\r
 186                     var startOffset = selection.anchorOffset;\r
 187                     var endOffset = selection.focusOffset;\r
 188                     if(startOffset > endOffset) {\r
 189                         var tmp = startOffset;\r
 190                         startOffset = endOffset;\r
 191                         endOffset = tmp;\r
 192                     }\r
 193                     var node = selection.anchorNode;\r
 194                     var prefix = node.data.substr(0, startOffset);\r
 195                     var suffix = node.data.substr(endOffset);\r
 196                     var core = node.data.substr(startOffset, endOffset - startOffset);\r
 197                     var newNode = $('<span wlxml-tag="' + target.val() + '">' + core + '</span>');\r
 198                     $(node).replaceWith(newNode);\r
 199                     newNode.before(prefix);\r
 200                     newNode.after(suffix);\r
 201                     mediator.nodeCreated(newNode);\r
 202                     isDirty = true;\r
 203                 }\r
 204             });\r
 205             \r
 206             view.node.on('click', '.rng-visualEditor-editPaneSurrouding a', function(e) {\r
 207                 var target = $(e.target);\r
 208                 mediator.nodeSelectedById(target.attr('data-id'));\r
 209             });\r
 210         },\r
 211         selectTab: function(id) {\r
 212            this.node.find('.rng-visualEditor-sidebarContentItem').hide();\r
 213            this.node.find('#'+id).show();\r
 214            this.node.find('#rng-visualEditor-sidebarButtons li').removeClass('active');\r
 215            this.node.find('#rng-visualEditor-sidebarButtons li a[data-content-id=' + id + ']').parent().addClass('active');\r
 216         \r
 217         },\r
 218         updateEditPane: function(node) {\r
 219             var pane = this.node.find('#rng-visualEditor-edit');\r
 220             pane.html( $(sandbox.getTemplate('editPane')({tag: node.attr('wlxml-tag'), klass: node.attr('wlxml-class')})));\r
 221             \r
 222             var parent = {\r
 223                 repr: node.parent().attr('wlxml-tag') + ' / ' + (node.parent().attr('wlxml-class') || '[[no class]]'),\r
 224                 id: node.parent().attr('id')\r
 225             }\r
 226             var children = [];\r
 227             node.children().each(function() {\r
 228                 var child = $(this);\r
 229                 children.push({repr: child.attr('wlxml-tag') + ' / ' + (child.attr('wlxml-class') || '[[no class]]'), id: child.attr('id')});\r
 230             });\r
 231             var naviTemplate = sandbox.getTemplate('editPaneNavigation')({parent: parent, children: children});\r
 232             pane.find('.rng-visualEditor-editPaneSurrouding > div').html($(naviTemplate));\r
 233         }\r
 234     }\r
 235     \r
 236     view.setup();\r
 237     sideBarView.setup();\r
 238     \r
 239     var mediator = {\r
 240         getCurrentNode: function() {\r
 241             return view.currentNode;\r
 242         },\r
 243         nodeCreated: function(node) {\r
 244             view.selectNode(node);\r
 245             \r
 246         },\r
 247         nodeSelected: function(node) {\r
 248             sideBarView.updateEditPane(node);\r
 249         },\r
 250         nodeSelectedById: function(id) {\r
 251             view.selectNodeById(id);\r
 252         }\r
 253     }\r
 254     \r
 255     var isDirty = false;\r
 256     var wasShownAlready = false;\r
 257     \r
 258     \r
 259     return {\r
 260         start: function() {\r
 261             sandbox.publish('ready');\r
 262         },\r
 263         getView: function() {\r
 264             return view.node;\r
 265         },\r
 266         setDocument: function(xml) {\r
 267             var transformed = transformations.fromXML.getDocumentDescription(xml);\r
 268             view.setBody(transformed.HTMLTree);\r
 269             view.setMetaData(transformed.metadata);\r
 270             isDirty = false;\r
 271         },\r
 272         getDocument: function() {\r
 273             return transformations.toXML.getXML({HTMLTree: view.getBody(), metadata: view.getMetaData()});\r
 274         },\r
 275         isDirty: function() {\r
 276             return isDirty;\r
 277         },\r
 278         setDirty: function(dirty) {\r
 279             isDirty = dirty;\r
 280         },\r
 281         onShowed: function() {\r
 282             if(!wasShownAlready) {\r
 283                 wasShownAlready = true;\r
 284                 view.selectFirstNode();\r
 285             }\r
 286         }\r
 287     \r
 288     }\r
 289 };