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Viewing changes to src/zope/html/ckeditor/3.0/ckeditor/_source/core/htmlparser/element.js

  • Committer: achapman
  • Date: 2009-09-04 12:44:32 UTC
  • Revision ID: svn-v4:62d5b8a3-27da-0310-9561-8e5933582275:zope.html/trunk:103534
Ckeditor 3.0 widget added. Keeping Fckeditor for backward compatability

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src/zope/html/ckeditor/3.0/ckeditor/_source/core/htmlparser/element.js
 
1
/*
 
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Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.
 
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For licensing, see LICENSE.html or http://ckeditor.com/license
 
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*/
 
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/**
 
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 * A lightweight representation of an HTML element.
 
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 * @param {String} name The element name.
 
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 * @param {Object} attributes And object holding all attributes defined for
 
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 *              this element.
 
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 * @constructor
 
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 * @example
 
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 */
 
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CKEDITOR.htmlParser.element = function( name, attributes )
 
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{
 
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        /**
 
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         * The element name.
 
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         * @type String
 
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         * @example
 
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         */
 
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        this.name = name;
 
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        /**
 
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         * Holds the attributes defined for this element.
 
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         * @type Object
 
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         * @example
 
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         */
 
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        this.attributes = attributes;
 
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        /**
 
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         * The nodes that are direct children of this element.
 
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         * @type Array
 
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         * @example
 
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         */
 
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        this.children = [];
 
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        var dtd                 = CKEDITOR.dtd,
 
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                isBlockLike     = !!( dtd.$block[ name ] || dtd.$listItem[ name ] || dtd.$tableContent[ name ] ),
 
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                isEmpty         = !!dtd.$empty[ name ];
 
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        this.isEmpty    = isEmpty;
 
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        this.isUnknown  = !dtd[ name ];
 
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        /** @private */
 
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        this._ =
 
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        {
 
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                isBlockLike : isBlockLike,
 
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                hasInlineStarted : isEmpty || !isBlockLike
 
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        };
 
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};
 
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(function()
 
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{
 
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        // Used to sort attribute entries in an array, where the first element of
 
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        // each object is the attribute name.
 
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        var sortAttribs = function( a, b )
 
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        {
 
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                a = a[0];
 
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                b = b[0];
 
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                return a < b ? -1 : a > b ? 1 : 0;
 
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        };
 
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        CKEDITOR.htmlParser.element.prototype =
 
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        {
 
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                /**
 
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                 * The node type. This is a constant value set to {@link CKEDITOR.NODE_ELEMENT}.
 
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                 * @type Number
 
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                 * @example
 
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                 */
 
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                type : CKEDITOR.NODE_ELEMENT,
 
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                /**
 
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                 * Adds a node to the element children list.
 
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                 * @param {Object} node The node to be added. It can be any of of the
 
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                 *              following types: {@link CKEDITOR.htmlParser.element},
 
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                 *              {@link CKEDITOR.htmlParser.text} and
 
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                 *              {@link CKEDITOR.htmlParser.comment}.
 
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                 * @function
 
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                 * @example
 
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                 */
 
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                add : CKEDITOR.htmlParser.fragment.prototype.add,
 
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                /**
 
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                 * Clone this element.
 
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                 * @returns {CKEDITOR.htmlParser.element} The element clone.
 
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                 * @example
 
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                 */
 
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                clone : function()
 
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                {
 
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                        return new CKEDITOR.htmlParser.element( this.name, this.attributes );
 
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                },
 
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                /**
 
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                 * Writes the element HTML to a CKEDITOR.htmlWriter.
 
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                 * @param {CKEDITOR.htmlWriter} writer The writer to which write the HTML.
 
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                 * @example
 
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                 */
 
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                writeHtml : function( writer, filter )
 
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                {
 
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                        var attributes = this.attributes;
 
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                        // The "_cke_replacedata" indicates that this element is replacing
 
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                        // a data snippet, which should be outputted as is.
 
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                        if ( attributes._cke_replacedata )
 
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                        {
 
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                                writer.write( attributes._cke_replacedata );
 
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                                return;
 
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                        }
 
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                        // Ignore cke: prefixes when writing HTML.
 
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                        var element = this,
 
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                                writeName = element.name,
 
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                                a, value;
 
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                        if ( filter )
 
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                        {
 
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                                while ( true )
 
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                                {
 
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                                        if ( !( writeName = filter.onElementName( writeName ) ) )
 
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                                                return;
 
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                                        element.name = writeName;
 
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                                        if ( !( element = filter.onElement( element ) ) )
 
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                                                return;
 
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                                        if ( element.name == writeName )
 
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                                                break;
 
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                                        writeName = element.name;
 
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                                        if ( !writeName )       // Send children.
 
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                                        {
 
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                                                CKEDITOR.htmlParser.fragment.prototype.writeHtml.apply( element, arguments );
 
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                                                return;
 
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                                        }
 
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                                }
 
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                                // The element may have been changed, so update the local
 
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                                // references.
 
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                                attributes = element.attributes;
 
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                        }
 
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                        // Open element tag.
 
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                        writer.openTag( writeName, attributes );
 
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                        if ( writer.sortAttributes )
 
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                        {
 
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                                // Copy all attributes to an array.
 
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                                var attribsArray = [];
 
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                                for ( a in attributes )
 
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                                {
 
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                                        value = attributes[ a ];
 
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                                        if ( filter && ( !( a = filter.onAttributeName( a ) ) || ( value = filter.onAttribute( element, a, value ) ) === false ) )
 
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                                                continue;
 
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                                        attribsArray.push( [ a, value ] );
 
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                                }
 
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                                // Sort the attributes by name.
 
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                                attribsArray.sort( sortAttribs );
 
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                                // Send the attributes.
 
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                                for ( var i = 0, len = attribsArray.length ; i < len ; i++ )
 
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                                {
 
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                                        var attrib = attribsArray[ i ];
 
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                                        writer.attribute( attrib[0], attrib[1] );
 
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                                }
 
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                        }
 
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                        else
 
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                        {
 
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                                for ( a in attributes )
 
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                                {
 
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                                        value = attributes[ a ];
 
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                                        if ( filter && ( !( a = filter.onAttributeName( a ) ) || ( value = filter.onAttribute( element, a, value ) ) === false ) )
 
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                                                continue;
 
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                                        writer.attribute( a, value );
 
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                                }
 
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                        }
 
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                        // Close the tag.
 
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                        writer.openTagClose( writeName, element.isEmpty );
 
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                        if ( !element.isEmpty )
 
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                        {
 
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                                // Send children.
 
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                                CKEDITOR.htmlParser.fragment.prototype.writeHtml.apply( element, arguments );
 
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                                // Close the element.
 
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                                writer.closeTag( writeName );
 
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                        }
 
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                }
 
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        };
 
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})();