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