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                     anchor.after(newNode);\r
  42                     view.selectNode(newNode);\r
  43                 }\r
  44             });\r
  45             \r
  46             \r
  47             var metaTable = this.metaTable = this.node.find('#rng-visualEditor-meta table');\r
  48             \r
  49             this.node.find('.rng-visualEditor-metaAddBtn').click(function() {\r
  50                 var newRow = view._addMetaRow('', '');\r
  51                 $(newRow.find('td div')[0]).focus();\r
  52                 isDirty = true;\r
  53             });\r
  54             \r
  55             this.metaTable.on('click', '.rng-visualEditor-metaRemoveBtn', function(e) {\r
  56                 $(e.target).closest('tr').remove();\r
  57                 isDirty = true;\r
  58             });\r
  59             \r
  60             this.metaTable.on('keydown', '[contenteditable]', function(e) {\r
  61                 console.log(e.which);\r
  62                 if(e.which === 13) { \r
  63                     if($(document.activeElement).hasClass('rng-visualEditor-metaItemKey')) {\r
  64                         metaTable.find('.rng-visualEditor-metaItemValue').focus();\r
  65                     } else {\r
  66                         var input = $('<input>');\r
  67                         input.appendTo('body').focus()\r
  68                         view.node.find('.rng-visualEditor-metaAddBtn').focus();\r
  69                         input.remove();\r
  70                     }\r
  71                     e.preventDefault();\r
  72                 }\r
  73                 \r
  74             });\r
  75
  76         },\r
  77         getMetaData: function() {\r
  78             var toret = {};\r
  79             this.metaTable.find('tr').each(function() {\r
  80                 var tr = $(this);\r
  81                 var inputs = $(this).find('td [contenteditable]');\r
  82                 var key = $(inputs[0]).text();\r
  83                 var value = $(inputs[1]).text();\r
  84                 toret[key] = value;\r
  85             });\r
  86             console.log(toret);\r
  87             return toret;\r
  88         },\r
  89         setMetaData: function(metadata) {\r
  90             var view = this;\r
  91             this.metaTable.find('tr').remove();\r
  92             _.each(_.keys(metadata), function(key) {    \r
  93                 view._addMetaRow(key, metadata[key]);\r
  94             });\r
  95         },\r
  96         setBody: function(HTMLTree) {\r
  97             this.node.find('#rng-visualEditor-content').html(HTMLTree);\r
  98         },\r
  99         getBody: function() {\r
 100             return this.node.find('#rng-visualEditor-content').html();\r
 101         }, \r
 102         _markSelected: function(node) {\r
 103             this.node.find('.rng-current').removeClass('rng-current');\r
 104             node.addClass('rng-current');\r
 105             this.currentNode = node;\r
 106             mediator.nodeSelected(node);\r
 107         },\r
 108         selectNode: function(node) {\r
 109             view._markSelected(node);\r
 110             var range = document.createRange();\r
 111             range.selectNodeContents(node[0]);\r
 112             range.collapse(false);\r
 113 \r
 114             var selection = document.getSelection();\r
 115             selection.removeAllRanges()\r
 116             selection.addRange(range);\r
 117         },\r
 118         selectFirstNode: function() {\r
 119             var firstNodeWithText = this.node.find('[wlxml-tag]').filter(function() {\r
 120                 return $(this).clone().children().remove().end().text().trim() !== '';\r
 121             }).first();\r
 122             var node;\r
 123             if(firstNodeWithText.length)\r
 124                 node = $(firstNodeWithText[0])\r
 125             else {\r
 126                 node = this.node.find('[wlxml-class|="p"]')\r
 127             }\r
 128             this.selectNode(node);\r
 129         },\r
 130         _addMetaRow: function(key, value) {\r
 131             var newRow = $(sandbox.getTemplate('metaItem')({key: key || '', value: value || ''}));\r
 132             newRow.appendTo(this.metaTable);\r
 133             return newRow;\r
 134         }\r
 135     };\r
 136     \r
 137     \r
 138     var sideBarView = {\r
 139         node: view.node.find('#rng-visualEditor-sidebar'),\r
 140         setup: function() {\r
 141             var view = this;\r
 142             this.node.find('#rng-visualEditor-sidebarButtons a').click(function(e) {\r
 143                 e.preventDefault();\r
 144                 var target = $(e.currentTarget);\r
 145                 if(!target.attr('data-content-id'))\r
 146                     return;\r
 147                 view.selectTab(target.attr('data-content-id'));\r
 148             });\r
 149             view.selectTab('rng-visualEditor-edit');\r
 150             \r
 151             view.node.on('change', '.rng-visualEditor-editPaneNodeForm select', function(e) {\r
 152                 var target = $(e.target);\r
 153                 var attr = target.attr('id').split('-')[2].split('editPane')[1].substr(0,3) === 'Tag' ? 'tag' : 'class';\r
 154                 mediator.getCurrentNode().attr('wlxml-'+attr, target.val());\r
 155                 isDirty = true;\r
 156             });\r
 157             \r
 158             view.node.on('change', '.rng-visualEditor-editPaneSelectionForm select', function(e) {\r
 159                 var target = $(e.target);\r
 160                 var selection = window.getSelection();\r
 161                 if(selection.anchorNode === selection.focusNode && selection.anchorNode.nodeType === Node.TEXT_NODE) {\r
 162                     var startOffset = selection.anchorOffset;\r
 163                     var endOffset = selection.focusOffset;\r
 164                     if(startOffset > endOffset) {\r
 165                         var tmp = startOffset;\r
 166                         startOffset = endOffset;\r
 167                         endOffset = tmp;\r
 168                     }\r
 169                     var node = selection.anchorNode;\r
 170                     var prefix = node.data.substr(0, startOffset);\r
 171                     var suffix = node.data.substr(endOffset);\r
 172                     var core = node.data.substr(startOffset, endOffset - startOffset);\r
 173                     var newNode = $('<span wlxml-tag="' + target.val() + '">' + core + '</span>');\r
 174                     $(node).replaceWith(newNode);\r
 175                     newNode.before(prefix);\r
 176                     newNode.after(suffix);\r
 177                     mediator.nodeCreated(newNode);\r
 178                     isDirty = true;\r
 179                 }\r
 180             });\r
 181         },\r
 182         selectTab: function(id) {\r
 183            this.node.find('.rng-visualEditor-sidebarContentItem').hide();\r
 184            this.node.find('#'+id).show();\r
 185            this.node.find('#rng-visualEditor-sidebarButtons li').removeClass('active');\r
 186            this.node.find('#rng-visualEditor-sidebarButtons li a[data-content-id=' + id + ']').parent().addClass('active');\r
 187         \r
 188         },\r
 189         updateEditPane: function(node) {\r
 190             var pane = this.node.find('#rng-visualEditor-edit');\r
 191             pane.html( $(sandbox.getTemplate('editPane')({tag: node.attr('wlxml-tag'), klass: node.attr('wlxml-class')})));\r
 192         }\r
 193     }\r
 194     \r
 195     view.setup();\r
 196     sideBarView.setup();\r
 197     \r
 198     var mediator = {\r
 199         getCurrentNode: function() {\r
 200             return view.currentNode;\r
 201         },\r
 202         nodeCreated: function(node) {\r
 203             view.selectNode(node);\r
 204             \r
 205         },\r
 206         nodeSelected: function(node) {\r
 207             sideBarView.updateEditPane(node);\r
 208         }\r
 209     }\r
 210     \r
 211     var isDirty = false;\r
 212     var wasShownAlready = false;\r
 213     \r
 214     \r
 215     return {\r
 216         start: function() {\r
 217             sandbox.publish('ready');\r
 218         },\r
 219         getView: function() {\r
 220             return view.node;\r
 221         },\r
 222         setDocument: function(xml) {\r
 223             var transformed = transformations.fromXML.getDocumentDescription(xml);\r
 224             view.setBody(transformed.HTMLTree);\r
 225             view.setMetaData(transformed.metadata);\r
 226             isDirty = false;\r
 227         },\r
 228         getDocument: function() {\r
 229             return transformations.toXML.getXML({HTMLTree: view.getBody(), metadata: view.getMetaData()});\r
 230         },\r
 231         isDirty: function() {\r
 232             return isDirty;\r
 233         },\r
 234         setDirty: function(dirty) {\r
 235             isDirty = dirty;\r
 236         },\r
 237         onShowed: function() {\r
 238             if(!wasShownAlready) {\r
 239                 wasShownAlready = true;\r
 240                 view.selectFirstNode();\r
 241             }\r
 242         }\r
 243     \r
 244     }\r
 245 };