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- /*
- Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
- For licensing, see LICENSE.html or http://ckeditor.com/license
- */
- /**
- * @stylesheetParser plugin.
- */
- (function()
- {
- // We want to extract only the elements with classes defined in the stylesheets:
- function parseClasses( aRules, skipSelectors, validSelectors )
- {
- // aRules are just the different rules in the style sheets
- // We want to merge them and them split them by commas, so we end up with only
- // the selectors
- var s = aRules.join(' ');
- // Remove selectors splitting the elements, leave only the class selector (.)
- s = s.replace( /(,|>|\+|~)/g, ' ' );
- // Remove attribute selectors: table[border="0"]
- s = s.replace( /\[[^\]]*/g, '' );
- // Remove Ids: div#main
- s = s.replace( /#[^\s]*/g, '' );
- // Remove pseudo-selectors and pseudo-elements: :hover :nth-child(2n+1) ::before
- s = s.replace( /\:{1,2}[^\s]*/g, '' );
- s = s.replace( /\s+/g, ' ' );
- var aSelectors = s.split( ' ' ),
- aClasses = [];
- for ( var i = 0; i < aSelectors.length ; i++ )
- {
- var selector = aSelectors[ i ];
- if ( validSelectors.test( selector ) && !skipSelectors.test( selector ) )
- {
- // If we still don't know about this one, add it
- if ( CKEDITOR.tools.indexOf( aClasses, selector ) == -1 )
- aClasses.push( selector );
- }
- }
- return aClasses;
- }
- function LoadStylesCSS( theDoc, skipSelectors, validSelectors )
- {
- var styles = [],
- // It will hold all the rules of the applied stylesheets (except those internal to CKEditor)
- aRules = [],
- i;
- for ( i = 0; i < theDoc.styleSheets.length; i++ )
- {
- var sheet = theDoc.styleSheets[ i ],
- node = sheet.ownerNode || sheet.owningElement;
- // Skip the internal stylesheets
- if ( node.getAttribute( 'data-cke-temp' ) )
- continue;
- // Exclude stylesheets injected by extensions
- if ( sheet.href && sheet.href.substr(0, 9) == 'chrome://' )
- continue;
- var sheetRules = sheet.cssRules || sheet.rules;
- for ( var j = 0; j < sheetRules.length; j++ )
- aRules.push( sheetRules[ j ].selectorText );
- }
- var aClasses = parseClasses( aRules, skipSelectors, validSelectors );
- // Add each style to our "Styles" collection.
- for ( i = 0; i < aClasses.length; i++ )
- {
- var oElement = aClasses[ i ].split( '.' ),
- element = oElement[ 0 ].toLowerCase(),
- sClassName = oElement[ 1 ];
- styles.push( {
- name : element + '.' + sClassName,
- element : element,
- attributes : {'class' : sClassName}
- });
- }
- return styles;
- }
- // Register a plugin named "stylesheetparser".
- CKEDITOR.plugins.add( 'stylesheetparser',
- {
- requires: [ 'styles' ],
- onLoad : function()
- {
- var obj = CKEDITOR.editor.prototype;
- obj.getStylesSet = CKEDITOR.tools.override( obj.getStylesSet, function( org )
- {
- return function( callback )
- {
- var self = this;
- org.call( this, function( definitions )
- {
- // Rules that must be skipped
- var skipSelectors = self.config.stylesheetParser_skipSelectors || ( /(^body\.|^\.)/i ),
- // Rules that are valid
- validSelectors = self.config.stylesheetParser_validSelectors || ( /\w+\.\w+/ );
- callback( ( self._.stylesDefinitions = definitions.concat( LoadStylesCSS( self.document.$, skipSelectors, validSelectors ) ) ) );
- });
- };
- });
- }
- });
- })();
- /**
- * A regular expression that defines whether a CSS rule will be
- * skipped by the Stylesheet Parser plugin. A CSS rule matching
- * the regular expression will be ignored and will not be available
- * in the Styles drop-down list.
- * @name CKEDITOR.config.stylesheetParser_skipSelectors
- * @type RegExp
- * @default /(^body\.|^\.)/i
- * @since 3.6
- * @see CKEDITOR.config.stylesheetParser_validSelectors
- * @example
- * // Ignore rules for body and caption elements, classes starting with "high", and any class defined for no specific element.
- * config.stylesheetParser_skipSelectors = /(^body\.|^caption\.|\.high|^\.)/i;
- */
- /**
- * A regular expression that defines which CSS rules will be used
- * by the Stylesheet Parser plugin. A CSS rule matching the regular
- * expression will be available in the Styles drop-down list.
- * @name CKEDITOR.config.stylesheetParser_validSelectors
- * @type RegExp
- * @default /\w+\.\w+/
- * @since 3.6
- * @see CKEDITOR.config.stylesheetParser_skipSelectors
- * @example
- * // Only add rules for p and span elements.
- * config.stylesheetParser_validSelectors = /\^(p|span)\.\w+/;
- */
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