X-Git-Url: https://scm.cri.ensmp.fr/git/ckeditor.git/blobdiff_plain/256592bf803e851aa7fc953e08a6e9e58d970f8c..871bad8291b6dbc29d489d95d185458caab25158:/skins/ckeditor/_source/plugins/removeformat/plugin.js

diff --git a/skins/ckeditor/_source/plugins/removeformat/plugin.js b/skins/ckeditor/_source/plugins/removeformat/plugin.js
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+/*
+Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.html or http://ckeditor.com/license
+*/
+
+CKEDITOR.plugins.add( 'removeformat',
+{
+	requires : [ 'selection' ],
+
+	init : function( editor )
+	{
+		editor.addCommand( 'removeFormat', CKEDITOR.plugins.removeformat.commands.removeformat );
+		editor.ui.addButton( 'RemoveFormat',
+			{
+				label : editor.lang.removeFormat,
+				command : 'removeFormat'
+			});
+
+		editor._.removeFormat = { filters: [] };
+	}
+});
+
+CKEDITOR.plugins.removeformat =
+{
+	commands :
+	{
+		removeformat :
+		{
+			exec : function( editor )
+			{
+				var tagsRegex = editor._.removeFormatRegex ||
+					( editor._.removeFormatRegex = new RegExp( '^(?:' + editor.config.removeFormatTags.replace( /,/g,'|' ) + ')$', 'i' ) );
+
+				var removeAttributes = editor._.removeAttributes ||
+					( editor._.removeAttributes = editor.config.removeFormatAttributes.split( ',' ) );
+
+				var filter = CKEDITOR.plugins.removeformat.filter;
+				var ranges = editor.getSelection().getRanges( 1 ),
+					iterator = ranges.createIterator(),
+					range;
+
+				while ( ( range = iterator.getNextRange() ) )
+				{
+					if ( ! range.collapsed )
+						range.enlarge( CKEDITOR.ENLARGE_ELEMENT );
+
+					// Bookmark the range so we can re-select it after processing.
+					var bookmark = range.createBookmark(),
+						// The style will be applied within the bookmark boundaries.
+						startNode	= bookmark.startNode,
+						endNode		= bookmark.endNode,
+						currentNode;
+
+					// We need to check the selection boundaries (bookmark spans) to break
+					// the code in a way that we can properly remove partially selected nodes.
+					// For example, removing a <b> style from
+					//		<b>This is [some text</b> to show <b>the] problem</b>
+					// ... where [ and ] represent the selection, must result:
+					//		<b>This is </b>[some text to show the]<b> problem</b>
+					// The strategy is simple, we just break the partial nodes before the
+					// removal logic, having something that could be represented this way:
+					//		<b>This is </b>[<b>some text</b> to show <b>the</b>]<b> problem</b>
+
+					var breakParent = function( node )
+					{
+						// Let's start checking the start boundary.
+						var path = new CKEDITOR.dom.elementPath( node ),
+							pathElements = path.elements;
+
+						for ( var i = 1, pathElement ; pathElement = pathElements[ i ] ; i++ )
+						{
+							if ( pathElement.equals( path.block ) || pathElement.equals( path.blockLimit ) )
+								break;
+
+							// If this element can be removed (even partially).
+							if ( tagsRegex.test( pathElement.getName() ) && filter( editor, pathElement ) )
+								node.breakParent( pathElement );
+						}
+					};
+
+					breakParent( startNode );
+					if ( endNode )
+					{
+						breakParent( endNode );
+
+						// Navigate through all nodes between the bookmarks.
+						currentNode = startNode.getNextSourceNode( true, CKEDITOR.NODE_ELEMENT );
+
+						while ( currentNode )
+						{
+							// If we have reached the end of the selection, stop looping.
+							if ( currentNode.equals( endNode ) )
+								break;
+
+							// Cache the next node to be processed. Do it now, because
+							// currentNode may be removed.
+							var nextNode = currentNode.getNextSourceNode( false, CKEDITOR.NODE_ELEMENT );
+
+							// This node must not be a fake element.
+							if ( !( currentNode.getName() == 'img'
+								&& currentNode.data( 'cke-realelement' ) )
+								&& filter( editor, currentNode ) )
+							{
+								// Remove elements nodes that match with this style rules.
+								if ( tagsRegex.test( currentNode.getName() ) )
+									currentNode.remove( 1 );
+								else
+								{
+									currentNode.removeAttributes( removeAttributes );
+									editor.fire( 'removeFormatCleanup', currentNode );
+								}
+							}
+
+							currentNode = nextNode;
+						}
+					}
+
+					range.moveToBookmark( bookmark );
+				}
+
+				editor.getSelection().selectRanges( ranges );
+			}
+		}
+	},
+
+	/**
+	 * Perform the remove format filters on the passed element.
+	 * @param {CKEDITOR.editor} editor
+	 * @param {CKEDITOR.dom.element} element
+	 */
+	filter : function ( editor, element )
+	{
+		var filters = editor._.removeFormat.filters;
+		for ( var i = 0; i < filters.length; i++ )
+		{
+			if ( filters[ i ]( element ) === false )
+				return false;
+		}
+		return true;
+	}
+};
+
+/**
+ * Add to a collection of functions to decide whether a specific
+ * element should be considered as formatting element and thus
+ * could be removed during <b>removeFormat</b> command,
+ * Note: Only available with the existence of 'removeformat' plugin.
+ * @since 3.3
+ * @param {Function} func The function to be called, which will be passed a {CKEDITOR.dom.element} element to test.
+ * @example
+ *  // Don't remove empty span
+ *  editor.addRemoveFormatFilter.push( function( element )
+ *		{
+ *			return !( element.is( 'span' ) && CKEDITOR.tools.isEmpty( element.getAttributes() ) );
+ *		});
+ */
+CKEDITOR.editor.prototype.addRemoveFormatFilter = function( func )
+{
+	this._.removeFormat.filters.push( func );
+};
+
+/**
+ * A comma separated list of elements to be removed when executing the "remove
+ " format" command. Note that only inline elements are allowed.
+ * @type String
+ * @default 'b,big,code,del,dfn,em,font,i,ins,kbd,q,samp,small,span,strike,strong,sub,sup,tt,u,var'
+ * @example
+ */
+CKEDITOR.config.removeFormatTags = 'b,big,code,del,dfn,em,font,i,ins,kbd,q,samp,small,span,strike,strong,sub,sup,tt,u,var';
+
+/**
+ * A comma separated list of elements attributes to be removed when executing
+ * the "remove format" command.
+ * @type String
+ * @default 'class,style,lang,width,height,align,hspace,valign'
+ * @example
+ */
+CKEDITOR.config.removeFormatAttributes = 'class,style,lang,width,height,align,hspace,valign';
+
+/**
+ * Fired after an element was cleaned by the removeFormat plugin.
+ * @name CKEDITOR.editor#removeFormatCleanup
+ * @event
+ * @param {Object} data.element The element that was cleaned up.
+ */