ckeditor/_source/core/editor.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
*/

/**
 * @fileOverview Defines the {@link CKEDITOR.editor} class, which represents an
 *		editor instance.
 */

(function()
{
	// The counter for automatic instance names.
	var nameCounter = 0;

	var getNewName = function()
	{
		var name = 'editor' + ( ++nameCounter );
		return ( CKEDITOR.instances && CKEDITOR.instances[ name ] ) ? getNewName() : name;
	};

	// ##### START: Config Privates

	// These function loads custom configuration files and cache the
	// CKEDITOR.editorConfig functions defined on them, so there is no need to
	// download them more than once for several instances.
	var loadConfigLoaded = {};
	var loadConfig = function( editor )
	{
		var customConfig = editor.config.customConfig;

		// Check if there is a custom config to load.
		if ( !customConfig )
			return false;

		customConfig = CKEDITOR.getUrl( customConfig );

		var loadedConfig = loadConfigLoaded[ customConfig ] || ( loadConfigLoaded[ customConfig ] = {} );

		// If the custom config has already been downloaded, reuse it.
		if ( loadedConfig.fn )
		{
			// Call the cached CKEDITOR.editorConfig defined in the custom
			// config file for the editor instance depending on it.
			loadedConfig.fn.call( editor, editor.config );

			// If there is no other customConfig in the chain, fire the
			// "configLoaded" event.
			if ( CKEDITOR.getUrl( editor.config.customConfig ) == customConfig || !loadConfig( editor ) )
				editor.fireOnce( 'customConfigLoaded' );
		}
		else
		{
			// Load the custom configuration file.
			CKEDITOR.scriptLoader.load( customConfig, function()
				{
					// If the CKEDITOR.editorConfig function has been properly
					// defined in the custom configuration file, cache it.
					if ( CKEDITOR.editorConfig )
						loadedConfig.fn = CKEDITOR.editorConfig;