source: trunk/filemanager/tp/ckeditor/_source/core/ckeditor_basic.js @ 2000

/*
Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/

/**
 * @fileOverview Contains the second part of the {@link CKEDITOR} object
 *              definition, which defines the basic editor features to be available in
 *              the root ckeditor_basic.js file.
 */

if ( CKEDITOR.status == 'unloaded' )
{
        (function()
        {
                CKEDITOR.event.implementOn( CKEDITOR );

                /**
                 * Forces the full CKEditor core code, in the case only the basic code has been
                 * loaded (ckeditor_basic.js). This method self-destroys (becomes undefined) in
                 * the first call or as soon as the full code is available.
                 * @example
                 * // Check if the full core code has been loaded and load it.
                 * if ( CKEDITOR.loadFullCore )
                 *     <b>CKEDITOR.loadFullCore()</b>;
                 */
                CKEDITOR.loadFullCore = function()
                {
                        // If not the basic code is not ready it, just mark it to be loaded.
                        if ( CKEDITOR.status != 'basic_ready' )
                        {
                                CKEDITOR.loadFullCore._load = true;
                                return;
                        }

                        // Destroy this function.
                        delete CKEDITOR.loadFullCore;

                        // Append the script to the head.
                        var script = document.createElement( 'script' );
                        script.type = 'text/javascript';
                        script.src = CKEDITOR.basePath + 'ckeditor.js';

                        document.getElementsByTagName( 'head' )[0].appendChild( script );
                };

                /**
                 * The time to wait (in seconds) to load the full editor code after the
                 * page load, if the "ckeditor_basic" file is used. If set to zero, the
                 * editor is loaded on demand, as soon as an instance is created.
                 *
                 * This value must be set on the page before the page load completion.
                 * @type Number
                 * @default 0 (zero)
                 * @example
                 * // Loads the full source after five seconds.
                 * CKEDITOR.loadFullCoreTimeout = 5;
                 */
                CKEDITOR.loadFullCoreTimeout = 0;

                /**
                 * The class name used to identify &lt;textarea&gt; elements to be replace
                 * by CKEditor instances.
                 * @type String
                 * @default 'ckeditor'
                 * @example
                 * <b>CKEDITOR.replaceClass</b> = 'rich_editor';
                 */
                CKEDITOR.replaceClass = 'ckeditor';

                /**
                 * Enables the replacement of all textareas with class name matching
                 * {@link CKEDITOR.replaceClass}.
                 * @type Boolean
                 * @default true
                 * @example
                 * // Disable the auto-replace feature.
                 * <b>CKEDITOR.replaceByClassEnabled</b> = false;
                 */
                CKEDITOR.replaceByClassEnabled = true;

                var createInstance = function( elementOrIdOrName, config, creationFunction )
                {
                        if ( CKEDITOR.env.isCompatible )
                        {
                                // Load the full core.
                                if ( CKEDITOR.loadFullCore )
                                        CKEDITOR.loadFullCore();

                                var editor = creationFunction( elementOrIdOrName, config );
                                CKEDITOR.add( editor );
                                return editor;
                        }

                        return null;
                };

                /**
                 * Replaces a &lt;textarea&gt; or a DOM element (DIV) with a CKEditor
                 * instance. For textareas, the initial value in the editor will be the
                 * textarea value. For DOM elements, their innerHTML will be used
                 * instead. We recommend using TEXTAREA and DIV elements only.
                 * @param {Object|String} elementOrIdOrName The DOM element (textarea), its
                 *              ID or name.
                 * @param {Object} [config] The specific configurations to apply to this
                 *              editor instance. Configurations set here will override global CKEditor
                 *              settings.
                 * @returns {CKEDITOR.editor} The editor instance created.
                 * @example
                 * &lt;textarea id="myfield" name="myfield"&gt;&lt:/textarea&gt;
                 * ...
                 * <b>CKEDITOR.replace( 'myfield' )</b>;
                 * @example
                 * var textarea = document.body.appendChild( document.createElement( 'textarea' ) );
                 * <b>CKEDITOR.replace( textarea )</b>;
                 */
                CKEDITOR.replace = function( elementOrIdOrName, config )
                {
                        return createInstance( elementOrIdOrName, config, CKEDITOR.editor.replace );
                };

                /**
                 * Creates a new editor instance inside a specific DOM element.
                 * @param {Object|String} elementOrId The DOM element or its ID.
                 * @param {Object} [config] The specific configurations to apply to this
                 *              editor instance. Configurations set here will override global CKEditor
                 *              settings.
                 * @returns {CKEDITOR.editor} The editor instance created.
                 * @example
                 * &lt;div id="editorSpace"&gt;&lt:/div&gt;
                 * ...
                 * <b>CKEDITOR.appendTo( 'editorSpace' )</b>;
                 */
                CKEDITOR.appendTo = function( elementOrId, config )
                {
                        return createInstance( elementOrId, config, CKEDITOR.editor.appendTo );
                };

                /**
                 * @ignore
                 * Documented at ckeditor.js.
                 */
                CKEDITOR.add = function( editor )
                {
                        // For now, just put the editor in the pending list. It will be
                        // processed as soon as the full code gets loaded.
                        var pending = this._.pending || ( this._.pending = [] );
                        pending.push( editor );
                };

                /**
                 * Replace all &lt;textarea&gt; elements available in the document with
                 * editor instances.
                 * @example
                 * // Replace all &lt;textarea&gt; elements in the page.
                 * CKEDITOR.replaceAll();
                 * @example
                 * // Replace all &lt;textarea class="myClassName"&gt; elements in the page.
                 * CKEDITOR.replaceAll( 'myClassName' );
                 * @example
                 * // Selectively replace &lt;textarea&gt; elements, based on custom assertions.
                 * CKEDITOR.replaceAll( function( textarea, config )
                 *     {
                 *         // Custom code to evaluate the replace, returning false
                 *         // if it must not be done.
                 *         // It also passes the "config" parameter, so the
                 *         // developer can customize the instance.
                 *     } );
                 */
                CKEDITOR.replaceAll = function()
                {
                        var textareas = document.getElementsByTagName( 'textarea' );

                        for ( var i = 0 ; i < textareas.length ; i++ )
                        {
                                var config = null;
                                var textarea = textareas[i];
                                var name = textarea.name;

                                // The "name" and/or "id" attribute must exist.
                                if ( !textarea.name && !textarea.id )
                                        continue;

                                if ( typeof arguments[0] == 'string' )
                                {
                                        // The textarea class name could be passed as the function
                                        // parameter.

                                        var classRegex = new RegExp( '(?:^| )' + arguments[0] + '(?:$| )' );

                                        if ( !classRegex.test( textarea.className ) )
                                                continue;
                                }
                                else if ( typeof arguments[0] == 'function' )
                                {
                                        // An assertion function could be passed as the function parameter.
                                        // It must explicitly return "false" to ignore a specific <textarea>.
                                        config = {};
                                        if ( arguments[0]( textarea, config ) === false )
                                                continue;
                                }

                                this.replace( textarea, config );
                        }
                };

                (function()
                {
                        var onload = function()
                        {
                                var loadFullCore = CKEDITOR.loadFullCore,
                                        loadFullCoreTimeout = CKEDITOR.loadFullCoreTimeout;

                                // Replace all textareas with the default class name.
                                if ( CKEDITOR.replaceByClassEnabled )
                                        CKEDITOR.replaceAll( CKEDITOR.replaceClass );

                                CKEDITOR.status = 'basic_ready';

                                if ( loadFullCore && loadFullCore._load )
                                        loadFullCore();
                                else if ( loadFullCoreTimeout )
                                {
                                        setTimeout( function()
                                                {
                                                        if ( CKEDITOR.loadFullCore )
                                                                CKEDITOR.loadFullCore();
                                                }
                                                , loadFullCoreTimeout * 1000 );
                                }
                        };

                        if ( window.addEventListener )
                                window.addEventListener( 'load', onload, false );
                        else if ( window.attachEvent )
                                window.attachEvent( 'onload', onload );
                })();

                CKEDITOR.status = 'basic_loaded';
        })();
}