--- /dev/null
+/*\r
+ * FCKeditor - The text editor for Internet - http://www.fckeditor.net\r
+ * Copyright (C) 2003-2008 Frederico Caldeira Knabben\r
+ *\r
+ * == BEGIN LICENSE ==\r
+ *\r
+ * Licensed under the terms of any of the following licenses at your\r
+ * choice:\r
+ *\r
+ * - GNU General Public License Version 2 or later (the "GPL")\r
+ * http://www.gnu.org/licenses/gpl.html\r
+ *\r
+ * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")\r
+ * http://www.gnu.org/licenses/lgpl.html\r
+ *\r
+ * - Mozilla Public License Version 1.1 or later (the "MPL")\r
+ * http://www.mozilla.org/MPL/MPL-1.1.html\r
+ *\r
+ * == END LICENSE ==\r
+ *\r
+ * Handles styles in a give document.\r
+ */\r
+\r
+var FCKStyles = FCK.Styles =\r
+{\r
+ _Callbacks : {},\r
+ _ObjectStyles : {},\r
+\r
+ ApplyStyle : function( style )\r
+ {\r
+ if ( typeof style == 'string' )\r
+ style = this.GetStyles()[ style ] ;\r
+\r
+ if ( style )\r
+ {\r
+ if ( style.GetType() == FCK_STYLE_OBJECT )\r
+ style.ApplyToObject( FCKSelection.GetSelectedElement() ) ;\r
+ else\r
+ style.ApplyToSelection( FCK.EditorWindow ) ;\r
+\r
+ FCK.Events.FireEvent( 'OnSelectionChange' ) ;\r
+ }\r
+ },\r
+\r
+ RemoveStyle : function( style )\r
+ {\r
+ if ( typeof style == 'string' )\r
+ style = this.GetStyles()[ style ] ;\r
+\r
+ if ( style )\r
+ {\r
+ style.RemoveFromSelection( FCK.EditorWindow ) ;\r
+ FCK.Events.FireEvent( 'OnSelectionChange' ) ;\r
+ }\r
+ },\r
+\r
+ /**\r
+ * Defines a callback function to be called when the current state of a\r
+ * specific style changes.\r
+ */\r
+ AttachStyleStateChange : function( styleName, callback, callbackOwner )\r
+ {\r
+ var callbacks = this._Callbacks[ styleName ] ;\r
+\r
+ if ( !callbacks )\r
+ callbacks = this._Callbacks[ styleName ] = [] ;\r
+\r
+ callbacks.push( [ callback, callbackOwner ] ) ;\r
+ },\r
+\r
+ CheckSelectionChanges : function()\r
+ {\r
+ var startElement = FCKSelection.GetBoundaryParentElement( true ) ;\r
+\r
+ if ( !startElement )\r
+ return ;\r
+\r
+ // Walks the start node parents path, checking all styles that are being listened.\r
+ var path = new FCKElementPath( startElement ) ;\r
+ var styles = this.GetStyles() ;\r
+\r
+ for ( var styleName in styles )\r
+ {\r
+ var callbacks = this._Callbacks[ styleName ] ;\r
+\r
+ if ( callbacks )\r
+ {\r
+ var style = styles[ styleName ] ;\r
+ var state = style.CheckActive( path ) ;\r
+\r
+ if ( state != ( style._LastState || null ) )\r
+ {\r
+ style._LastState = state ;\r
+\r
+ for ( var i = 0 ; i < callbacks.length ; i++ )\r
+ {\r
+ var callback = callbacks[i][0] ;\r
+ var callbackOwner = callbacks[i][1] ;\r
+\r
+ callback.call( callbackOwner || window, styleName, state ) ;\r
+ }\r
+ }\r
+ }\r
+ }\r
+ },\r
+\r
+ CheckStyleInSelection : function( styleName )\r
+ {\r
+ return false ;\r
+ },\r
+\r
+ _GetRemoveFormatTagsRegex : function ()\r
+ {\r
+ var regex = new RegExp( '^(?:' + FCKConfig.RemoveFormatTags.replace( /,/g,'|' ) + ')$', 'i' ) ;\r
+\r
+ return (this._GetRemoveFormatTagsRegex = function()\r
+ {\r
+ return regex ;\r
+ })\r
+ && regex ;\r
+ },\r
+\r
+ /**\r
+ * Remove all styles from the current selection.\r
+ * TODO:\r
+ * - This is almost a duplication of FCKStyle.RemoveFromRange. We should\r
+ * try to merge things.\r
+ */\r
+ RemoveAll : function()\r
+ {\r
+ var range = new FCKDomRange( FCK.EditorWindow ) ;\r
+ range.MoveToSelection() ;\r
+\r
+ if ( range.CheckIsCollapsed() )\r
+ return ;\r
+\r
+ // Expand the range, if inside inline element boundaries.\r
+ range.Expand( 'inline_elements' ) ;\r
+\r
+ // Get the bookmark nodes.\r
+ // Bookmark the range so we can re-select it after processing.\r
+ var bookmark = range.CreateBookmark( true ) ;\r
+\r
+ // The style will be applied within the bookmark boundaries.\r
+ var startNode = range.GetBookmarkNode( bookmark, true ) ;\r
+ var endNode = range.GetBookmarkNode( bookmark, false ) ;\r
+\r
+ range.Release( true ) ;\r
+\r
+ var tagsRegex = this._GetRemoveFormatTagsRegex() ;\r
+\r
+ // We need to check the selection boundaries (bookmark spans) to break\r
+ // the code in a way that we can properly remove partially selected nodes.\r
+ // For example, removing a <b> style from\r
+ // <b>This is [some text</b> to show <b>the] problem</b>\r
+ // ... where [ and ] represent the selection, must result:\r
+ // <b>This is </b>[some text to show the]<b> problem</b>\r
+ // The strategy is simple, we just break the partial nodes before the\r
+ // removal logic, having something that could be represented this way:\r
+ // <b>This is </b>[<b>some text</b> to show <b>the</b>]<b> problem</b>\r
+\r
+ // Let's start checking the start boundary.\r
+ var path = new FCKElementPath( startNode ) ;\r
+ var pathElements = path.Elements ;\r
+ var pathElement ;\r
+\r
+ for ( var i = 1 ; i < pathElements.length ; i++ )\r
+ {\r
+ pathElement = pathElements[i] ;\r
+\r
+ if ( pathElement == path.Block || pathElement == path.BlockLimit )\r
+ break ;\r
+\r
+ // If this element can be removed (even partially).\r
+ if ( tagsRegex.test( pathElement.nodeName ) )\r
+ FCKDomTools.BreakParent( startNode, pathElement, range ) ;\r
+ }\r
+\r
+ // Now the end boundary.\r
+ path = new FCKElementPath( endNode ) ;\r
+ pathElements = path.Elements ;\r
+\r
+ for ( var i = 1 ; i < pathElements.length ; i++ )\r
+ {\r
+ pathElement = pathElements[i] ;\r
+\r
+ if ( pathElement == path.Block || pathElement == path.BlockLimit )\r
+ break ;\r
+\r
+ elementName = pathElement.nodeName.toLowerCase() ;\r
+\r
+ // If this element can be removed (even partially).\r
+ if ( tagsRegex.test( pathElement.nodeName ) )\r
+ FCKDomTools.BreakParent( endNode, pathElement, range ) ;\r
+ }\r
+\r
+ // Navigate through all nodes between the bookmarks.\r
+ var currentNode = FCKDomTools.GetNextSourceNode( startNode, true, 1 ) ;\r
+\r
+ while ( currentNode )\r
+ {\r
+ // If we have reached the end of the selection, stop looping.\r
+ if ( currentNode == endNode )\r
+ break ;\r
+\r
+ // Cache the next node to be processed. Do it now, because\r
+ // currentNode may be removed.\r
+ var nextNode = FCKDomTools.GetNextSourceNode( currentNode, false, 1 ) ;\r
+\r
+ // Remove elements nodes that match with this style rules.\r
+ if ( tagsRegex.test( currentNode.nodeName ) )\r
+ FCKDomTools.RemoveNode( currentNode, true ) ;\r
+ else\r
+ FCKDomTools.RemoveAttributes( currentNode, FCKConfig.RemoveAttributesArray );\r
+\r
+ currentNode = nextNode ;\r
+ }\r
+\r
+ range.SelectBookmark( bookmark ) ;\r
+\r
+ FCK.Events.FireEvent( 'OnSelectionChange' ) ;\r
+ },\r
+\r
+ GetStyle : function( styleName )\r
+ {\r
+ return this.GetStyles()[ styleName ] ;\r
+ },\r
+\r
+ GetStyles : function()\r
+ {\r
+ var styles = this._GetStyles ;\r
+ if ( !styles )\r
+ {\r
+ styles = this._GetStyles = FCKTools.Merge(\r
+ this._LoadStylesCore(),\r
+ this._LoadStylesCustom(),\r
+ this._LoadStylesXml() ) ;\r
+ }\r
+ return styles ;\r
+ },\r
+\r
+ CheckHasObjectStyle : function( elementName )\r
+ {\r
+ return !!this._ObjectStyles[ elementName ] ;\r
+ },\r
+\r
+ _LoadStylesCore : function()\r
+ {\r
+ var styles = {};\r
+ var styleDefs = FCKConfig.CoreStyles ;\r
+\r
+ for ( var styleName in styleDefs )\r
+ {\r
+ // Core styles are prefixed with _FCK_.\r
+ var style = styles[ '_FCK_' + styleName ] = new FCKStyle( styleDefs[ styleName ] ) ;\r
+ style.IsCore = true ;\r
+ }\r
+ return styles ;\r
+ },\r
+\r
+ _LoadStylesCustom : function()\r
+ {\r
+ var styles = {};\r
+ var styleDefs = FCKConfig.CustomStyles ;\r
+\r
+ if ( styleDefs )\r
+ {\r
+ for ( var styleName in styleDefs )\r
+ {\r
+ var style = styles[ styleName ] = new FCKStyle( styleDefs[ styleName ] ) ;\r
+ style.Name = styleName ;\r
+ }\r
+ }\r
+\r
+ return styles ;\r
+ },\r
+\r
+ _LoadStylesXml : function()\r
+ {\r
+ var styles = {};\r
+\r
+ var stylesXmlPath = FCKConfig.StylesXmlPath ;\r
+\r
+ if ( !stylesXmlPath || stylesXmlPath.length == 0 )\r
+ return styles ;\r
+\r
+ // Load the XML file into a FCKXml object.\r
+ var xml = new FCKXml() ;\r
+ xml.LoadUrl( stylesXmlPath ) ;\r
+\r
+ var stylesXmlObj = FCKXml.TransformToObject( xml.SelectSingleNode( 'Styles' ) ) ;\r
+\r
+ // Get the "Style" nodes defined in the XML file.\r
+ var styleNodes = stylesXmlObj.$Style ;\r
+\r
+ // Check that it did contain some valid nodes\r
+ if ( !styleNodes )\r
+ return styles ;\r
+\r
+ // Add each style to our "Styles" collection.\r
+ for ( var i = 0 ; i < styleNodes.length ; i++ )\r
+ {\r
+ var styleNode = styleNodes[i] ;\r
+\r
+ var element = ( styleNode.element || '' ).toLowerCase() ;\r
+\r
+ if ( element.length == 0 )\r
+ throw( 'The element name is required. Error loading "' + stylesXmlPath + '"' ) ;\r
+\r
+ var styleDef = {\r
+ Element : element,\r
+ Attributes : {},\r
+ Styles : {},\r
+ Overrides : []\r
+ } ;\r
+\r
+ // Get the attributes defined for the style (if any).\r
+ var attNodes = styleNode.$Attribute || [] ;\r
+\r
+ // Add the attributes to the style definition object.\r
+ for ( var j = 0 ; j < attNodes.length ; j++ )\r
+ {\r
+ styleDef.Attributes[ attNodes[j].name ] = attNodes[j].value ;\r
+ }\r
+\r
+ // Get the styles defined for the style (if any).\r
+ var cssStyleNodes = styleNode.$Style || [] ;\r
+\r
+ // Add the attributes to the style definition object.\r
+ for ( j = 0 ; j < cssStyleNodes.length ; j++ )\r
+ {\r
+ styleDef.Styles[ cssStyleNodes[j].name ] = cssStyleNodes[j].value ;\r
+ }\r
+\r
+ // Load override definitions.\r
+ var cssStyleOverrideNodes = styleNode.$Override ;\r
+ if ( cssStyleOverrideNodes )\r
+ {\r
+ for ( j = 0 ; j < cssStyleOverrideNodes.length ; j++ )\r
+ {\r
+ var overrideNode = cssStyleOverrideNodes[j] ;\r
+ var overrideDef =\r
+ {\r
+ Element : overrideNode.element\r
+ } ;\r
+\r
+ var overrideAttNode = overrideNode.$Attribute ;\r
+ if ( overrideAttNode )\r
+ {\r
+ overrideDef.Attributes = {} ;\r
+ for ( var k = 0 ; k < overrideAttNode.length ; k++ )\r
+ {\r
+ var overrideAttValue = overrideAttNode[k].value || null ;\r
+ if ( overrideAttValue )\r
+ {\r
+ // Check if the override attribute value is a regular expression.\r
+ var regexMatch = overrideAttValue && FCKRegexLib.RegExp.exec( overrideAttValue ) ;\r
+ if ( regexMatch )\r
+ overrideAttValue = new RegExp( regexMatch[1], regexMatch[2] || '' ) ;\r
+ }\r
+ overrideDef.Attributes[ overrideAttNode[k].name ] = overrideAttValue ;\r
+ }\r
+ }\r
+\r
+ styleDef.Overrides.push( overrideDef ) ;\r
+ }\r
+ }\r
+\r
+ var style = new FCKStyle( styleDef ) ;\r
+ style.Name = styleNode.name || element ;\r
+\r
+ if ( style.GetType() == FCK_STYLE_OBJECT )\r
+ this._ObjectStyles[ element ] = true ;\r
+\r
+ // Add the style to the "Styles" collection using it's name as the key.\r
+ styles[ style.Name ] = style ;\r
+ }\r
+\r
+ return styles ;\r
+ }\r
+} ;\r