1 files changed, 174 insertions, 0 deletions
diff --git a/addons/website/static/lib/ckeditor/plugins/removeformat/plugin.js b/addons/website/static/lib/ckeditor/plugins/removeformat/plugin.js
new file mode 100644
index 00000000000..cf44666b394
--- /dev/null
+++ b/addons/website/static/lib/ckeditor/plugins/removeformat/plugin.js
@@ -0,0 +1,174 @@
+/**
+ * @license Copyright (c) 2003-2013, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md or http://ckeditor.com/license
+ */
+
+CKEDITOR.plugins.add( 'removeformat', {
+	lang: 'af,ar,bg,bn,bs,ca,cs,cy,da,de,el,en,en-au,en-ca,en-gb,eo,es,et,eu,fa,fi,fo,fr,fr-ca,gl,gu,he,hi,hr,hu,id,is,it,ja,ka,km,ko,ku,lt,lv,mk,mn,ms,nb,nl,no,pl,pt,pt-br,ro,ru,si,sk,sl,sq,sr,sr-latn,sv,th,tr,ug,uk,vi,zh,zh-cn', // %REMOVE_LINE_CORE%
+	icons: 'removeformat', // %REMOVE_LINE_CORE%
+	hidpi: true, // %REMOVE_LINE_CORE%
+	init: function( editor ) {
+		editor.addCommand( 'removeFormat', CKEDITOR.plugins.removeformat.commands.removeformat );
+		editor.ui.addButton && editor.ui.addButton( 'RemoveFormat', {
+			label: editor.lang.removeformat.toolbar,
+			command: 'removeFormat',
+			toolbar: 'cleanup,10'
+		});
+	}
+});
+
+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 = editor.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 );
+				}
+
+				// The selection path may not changed, but we should force a selection
+				// change event to refresh command states, due to the above attribution change. (#9238)
+				editor.forceNextSelectionCheck();
+				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 ) {
+		// If editor#addRemoveFotmatFilter hasn't been executed yet value is not initialized.
+		var filters = editor._.removeFormatFilters || [];
+		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 `removeFormat` command.
+ *
+ * **Note:** Only available with the existence of `removeformat` plugin.
+ *
+ *		// Don't remove empty span.
+ *		editor.addRemoveFormatFilter( function( element ) {
+ *			return !( element.is( 'span' ) && CKEDITOR.tools.isEmpty( element.getAttributes() ) );
+ *		} );
+ *
+ * @since 3.3
+ * @member CKEDITOR.editor
+ * @param {Function} func The function to be called, which will be passed a {CKEDITOR.dom.element} element to test.
+ */
+CKEDITOR.editor.prototype.addRemoveFormatFilter = function( func ) {
+	if ( !this._.removeFormatFilters )
+		this._.removeFormatFilters = [];
+
+	this._.removeFormatFilters.push( func );
+};
+
+/**
+ * A comma separated list of elements to be removed when executing the `remove
+ * format` command. Note that only inline elements are allowed.
+ *
+ * @cfg
+ * @member CKEDITOR.config
+ */
+CKEDITOR.config.removeFormatTags = 'b,big,code,del,dfn,em,font,i,ins,kbd,q,s,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.
+ *
+ * @cfg
+ * @member CKEDITOR.config
+ */
+CKEDITOR.config.removeFormatAttributes = 'class,style,lang,width,height,align,hspace,valign';
+
+/**
+ * Fired after an element was cleaned by the removeFormat plugin.
+ *
+ * @event removeFormatCleanup
+ * @member CKEDITOR.editor
+ * @param {CKEDITOR.editor} editor This editor instance.
+ * @param data
+ * @param {CKEDITOR.dom.element} data.element The element that was cleaned up.
+ */