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             var node;\r
 111             if(firstNodeWithText.length)\r
 112                 node = $(firstNodeWithText[0])\r
 113             else {\r
 114                 node = this.node.find('[wlxml-class|="p"]')\r
 115             }\r
 116             this.selectNode(node);\r
 117         },\r
 118         _addMetaRow: function(key, value) {\r
 119             var newRow = $(sandbox.getTemplate('metaItem')({key: key || '', value: value || ''}));\r
 120             newRow.appendTo(this.metaTable);\r
 121             return newRow;\r
 122         }\r
 123     };\r
 124     \r
 125     \r
 126     var sideBarView = {\r
 127         node: view.node.find('#rng-visualEditor-sidebar'),\r
 128         setup: function() {\r
 129             var view = this;\r
 130             this.node.find('#rng-visualEditor-sidebarButtons a').click(function(e) {\r
 131                 e.preventDefault();\r
 132                 var target = $(e.currentTarget);\r
 133                 if(!target.attr('data-content-id'))\r
 134                     return;\r
 135                 view.selectTab(target.attr('data-content-id'));\r
 136             });\r
 137             view.selectTab('rng-visualEditor-edit');\r
 138             \r
 139             view.node.on('change', '.rng-visualEditor-editPaneNodeForm select', function(e) {\r
 140                 var target = $(e.target);\r
 141                 var attr = target.attr('id').split('-')[2].split('editPane')[1].substr(0,3) === 'Tag' ? 'tag' : 'class';\r
 142                 mediator.getCurrentNode().attr('wlxml-'+attr, target.val());\r
 143                 isDirty = true;\r
 144             });\r
 145             \r
 146             view.node.on('change', '.rng-visualEditor-editPaneSelectionForm select', function(e) {\r
 147                 var target = $(e.target);\r
 148                 var selection = window.getSelection();\r
 149                 if(selection.anchorNode === selection.focusNode && selection.anchorNode.nodeType === Node.TEXT_NODE) {\r
 150                     var startOffset = selection.anchorOffset;\r
 151                     var endOffset = selection.focusOffset;\r
 152                     if(startOffset > endOffset) {\r
 153                         var tmp = startOffset;\r
 154                         startOffset = endOffset;\r
 155                         endOffset = tmp;\r
 156                     }\r
 157                     var node = selection.anchorNode;\r
 158                     var prefix = node.data.substr(0, startOffset);\r
 159                     var suffix = node.data.substr(endOffset);\r
 160                     var core = node.data.substr(startOffset, endOffset - startOffset);\r
 161                     var newNode = $('<span wlxml-tag="' + target.val() + '">' + core + '</span>');\r
 162                     $(node).replaceWith(newNode);\r
 163                     newNode.before(prefix);\r
 164                     newNode.after(suffix);\r
 165                     mediator.nodeCreated(newNode);\r
 166                     isDirty = true;\r
 167                 }\r
 168             });\r
 169         },\r
 170         selectTab: function(id) {\r
 171            this.node.find('.rng-visualEditor-sidebarContentItem').hide();\r
 172            this.node.find('#'+id).show();\r
 173            this.node.find('#rng-visualEditor-sidebarButtons li').removeClass('active');\r
 174            this.node.find('#rng-visualEditor-sidebarButtons li a[data-content-id=' + id + ']').parent().addClass('active');\r
 175         \r
 176         },\r
 177         updateEditPane: function(node) {\r
 178             var pane = this.node.find('#rng-visualEditor-edit');\r
 179             pane.html( $(sandbox.getTemplate('editPane')({tag: node.attr('wlxml-tag'), klass: node.attr('wlxml-class')})));\r
 180         }\r
 181     }\r
 182     \r
 183     view.setup();\r
 184     sideBarView.setup();\r
 185     \r
 186     var mediator = {\r
 187         getCurrentNode: function() {\r
 188             return view.currentNode;\r
 189         },\r
 190         nodeCreated: function(node) {\r
 191             view.selectNode(node);\r
 192             \r
 193         },\r
 194         nodeSelected: function(node) {\r
 195             sideBarView.updateEditPane(node);\r
 196         }\r
 197     }\r
 198     \r
 199     var isDirty = false;\r
 200     var wasShownAlready = false;\r
 201     \r
 202     \r
 203     return {\r
 204         start: function() {\r
 205             sandbox.publish('ready');\r
 206         },\r
 207         getView: function() {\r
 208             return view.node;\r
 209         },\r
 210         setDocument: function(xml) {\r
 211             var transformed = transformations.fromXML.getDocumentDescription(xml);\r
 212             view.setBody(transformed.HTMLTree);\r
 213             view.setMetaData(transformed.metadata);\r
 214             isDirty = false;\r
 215         },\r
 216         getDocument: function() {\r
 217             return transformations.toXML.getXML({HTMLTree: view.getBody(), metadata: view.getMetaData()});\r
 218         },\r
 219         isDirty: function() {\r
 220             return isDirty;\r
 221         },\r
 222         setDirty: function(dirty) {\r
 223             isDirty = dirty;\r
 224         },\r
 225         onShowed: function() {\r
 226             if(!wasShownAlready) {\r
 227                 wasShownAlready = true;\r
 228                 view.selectFirstNode();\r
 229             }\r
 230         }\r
 231     \r
 232     }\r
 233 };