danielebarchiesi@0: <?php
danielebarchiesi@0: /*
danielebarchiesi@0: * Copyright (c) 2003-2013, CKSource - Frederico Knabben. All rights reserved.
danielebarchiesi@0: * For licensing, see LICENSE.html or http://ckeditor.com/license
danielebarchiesi@0: */
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * \brief CKEditor class that can be used to create editor
danielebarchiesi@0:  * instances in PHP pages on server side.
danielebarchiesi@0:  * @see http://ckeditor.com
danielebarchiesi@0:  *
danielebarchiesi@0:  * Sample usage:
danielebarchiesi@0:  * @code
danielebarchiesi@0:  * $CKEditor = new CKEditor();
danielebarchiesi@0:  * $CKEditor->editor("editor1", "<p>Initial value.</p>");
danielebarchiesi@0:  * @endcode
danielebarchiesi@0:  */
danielebarchiesi@0: class CKEditor
danielebarchiesi@0: {
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * The version of %CKEditor.
danielebarchiesi@0: 	 * \private
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	var $version = '3.6.6';
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * A constant string unique for each release of %CKEditor.
danielebarchiesi@0: 	 * \private
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	var $_timestamp = 'D03G5XL';
danielebarchiesi@0: 
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * URL to the %CKEditor installation directory (absolute or relative to document root).
danielebarchiesi@0: 	 * If not set, CKEditor will try to guess it's path.
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * Example usage:
danielebarchiesi@0: 	 * @code
danielebarchiesi@0: 	 * $CKEditor->basePath = '/ckeditor/';
danielebarchiesi@0: 	 * @endcode
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	var $basePath;
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * An array that holds the global %CKEditor configuration.
danielebarchiesi@0: 	 * For the list of available options, see http://docs.cksource.com/ckeditor_api/symbols/CKEDITOR.config.html
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * Example usage:
danielebarchiesi@0: 	 * @code
danielebarchiesi@0: 	 * $CKEditor->config['height'] = 400;
danielebarchiesi@0: 	 * // Use @@ at the beggining of a string to ouput it without surrounding quotes.
danielebarchiesi@0: 	 * $CKEditor->config['width'] = '@@screen.width * 0.8';
danielebarchiesi@0: 	 * @endcode
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	var $config = array();
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * A boolean variable indicating whether CKEditor has been initialized.
danielebarchiesi@0: 	 * Set it to true only if you have already included
danielebarchiesi@0: 	 * &lt;script&gt; tag loading ckeditor.js in your website.
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	var $initialized = false;
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * Boolean variable indicating whether created code should be printed out or returned by a function.
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * Example 1: get the code creating %CKEditor instance and print it on a page with the "echo" function.
danielebarchiesi@0: 	 * @code
danielebarchiesi@0: 	 * $CKEditor = new CKEditor();
danielebarchiesi@0: 	 * $CKEditor->returnOutput = true;
danielebarchiesi@0: 	 * $code = $CKEditor->editor("editor1", "<p>Initial value.</p>");
danielebarchiesi@0: 	 * echo "<p>Editor 1:</p>";
danielebarchiesi@0: 	 * echo $code;
danielebarchiesi@0: 	 * @endcode
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	var $returnOutput = false;
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * An array with textarea attributes.
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * When %CKEditor is created with the editor() method, a HTML &lt;textarea&gt; element is created,
danielebarchiesi@0: 	 * it will be displayed to anyone with JavaScript disabled or with incompatible browser.
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	var $textareaAttributes = array( "rows" => 8, "cols" => 60 );
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * A string indicating the creation date of %CKEditor.
danielebarchiesi@0: 	 * Do not change it unless you want to force browsers to not use previously cached version of %CKEditor.
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	var $timestamp = "D03G5XL";
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * An array that holds event listeners.
danielebarchiesi@0: 	 * \private
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	var $_events = array();
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * An array that holds global event listeners.
danielebarchiesi@0: 	 * \private
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	var $_globalEvents = array();
danielebarchiesi@0: 
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * Main Constructor.
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 *  @param $basePath (string) URL to the %CKEditor installation directory (optional).
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	function CKEditor($basePath = null) {
danielebarchiesi@0: 		if (!empty($basePath)) {
danielebarchiesi@0: 			$this->basePath = $basePath;
danielebarchiesi@0: 		}
danielebarchiesi@0: 	}
danielebarchiesi@0: 
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * Creates a %CKEditor instance.
danielebarchiesi@0: 	 * In incompatible browsers %CKEditor will downgrade to plain HTML &lt;textarea&gt; element.
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * @param $name (string) Name of the %CKEditor instance (this will be also the "name" attribute of textarea element).
danielebarchiesi@0: 	 * @param $value (string) Initial value (optional).
danielebarchiesi@0: 	 * @param $config (array) The specific configurations to apply to this editor instance (optional).
danielebarchiesi@0: 	 * @param $events (array) Event listeners for this editor instance (optional).
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * Example usage:
danielebarchiesi@0: 	 * @code
danielebarchiesi@0: 	 * $CKEditor = new CKEditor();
danielebarchiesi@0: 	 * $CKEditor->editor("field1", "<p>Initial value.</p>");
danielebarchiesi@0: 	 * @endcode
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * Advanced example:
danielebarchiesi@0: 	 * @code
danielebarchiesi@0: 	 * $CKEditor = new CKEditor();
danielebarchiesi@0: 	 * $config = array();
danielebarchiesi@0: 	 * $config['toolbar'] = array(
danielebarchiesi@0: 	 *     array( 'Source', '-', 'Bold', 'Italic', 'Underline', 'Strike' ),
danielebarchiesi@0: 	 *     array( 'Image', 'Link', 'Unlink', 'Anchor' )
danielebarchiesi@0: 	 * );
danielebarchiesi@0: 	 * $events['instanceReady'] = 'function (ev) {
danielebarchiesi@0: 	 *     alert("Loaded: " + ev.editor.name);
danielebarchiesi@0: 	 * }';
danielebarchiesi@0: 	 * $CKEditor->editor("field1", "<p>Initial value.</p>", $config, $events);
danielebarchiesi@0: 	 * @endcode
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	function editor($name, $value = "", $config = array(), $events = array())
danielebarchiesi@0: 	{
danielebarchiesi@0: 		$attr = "";
danielebarchiesi@0: 		foreach ($this->textareaAttributes as $key => $val) {
danielebarchiesi@0: 			$attr.= " " . $key . '="' . str_replace('"', '&quot;', $val) . '"';
danielebarchiesi@0: 		}
danielebarchiesi@0: 		$out = "<textarea name=\"" . $name . "\"" . $attr . ">" . htmlspecialchars($value) . "</textarea>\n";
danielebarchiesi@0: 		if (!$this->initialized) {
danielebarchiesi@0: 			$out .= $this->init();
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		$_config = $this->configSettings($config, $events);
danielebarchiesi@0: 
danielebarchiesi@0: 		$js = $this->returnGlobalEvents();
danielebarchiesi@0: 		if (!empty($_config))
danielebarchiesi@0: 			$js .= "CKEDITOR.replace('".$name."', ".$this->jsEncode($_config).");";
danielebarchiesi@0: 		else
danielebarchiesi@0: 			$js .= "CKEDITOR.replace('".$name."');";
danielebarchiesi@0: 
danielebarchiesi@0: 		$out .= $this->script($js);
danielebarchiesi@0: 
danielebarchiesi@0: 		if (!$this->returnOutput) {
danielebarchiesi@0: 			print $out;
danielebarchiesi@0: 			$out = "";
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		return $out;
danielebarchiesi@0: 	}
danielebarchiesi@0: 
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * Replaces a &lt;textarea&gt; with a %CKEditor instance.
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * @param $id (string) The id or name of textarea element.
danielebarchiesi@0: 	 * @param $config (array) The specific configurations to apply to this editor instance (optional).
danielebarchiesi@0: 	 * @param $events (array) Event listeners for this editor instance (optional).
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * Example 1: adding %CKEditor to &lt;textarea name="article"&gt;&lt;/textarea&gt; element:
danielebarchiesi@0: 	 * @code
danielebarchiesi@0: 	 * $CKEditor = new CKEditor();
danielebarchiesi@0: 	 * $CKEditor->replace("article");
danielebarchiesi@0: 	 * @endcode
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	function replace($id, $config = array(), $events = array())
danielebarchiesi@0: 	{
danielebarchiesi@0: 		$out = "";
danielebarchiesi@0: 		if (!$this->initialized) {
danielebarchiesi@0: 			$out .= $this->init();
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		$_config = $this->configSettings($config, $events);
danielebarchiesi@0: 
danielebarchiesi@0: 		$js = $this->returnGlobalEvents();
danielebarchiesi@0: 		if (!empty($_config)) {
danielebarchiesi@0: 			$js .= "CKEDITOR.replace('".$id."', ".$this->jsEncode($_config).");";
danielebarchiesi@0: 		}
danielebarchiesi@0: 		else {
danielebarchiesi@0: 			$js .= "CKEDITOR.replace('".$id."');";
danielebarchiesi@0: 		}
danielebarchiesi@0: 		$out .= $this->script($js);
danielebarchiesi@0: 
danielebarchiesi@0: 		if (!$this->returnOutput) {
danielebarchiesi@0: 			print $out;
danielebarchiesi@0: 			$out = "";
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		return $out;
danielebarchiesi@0: 	}
danielebarchiesi@0: 
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * Replace all &lt;textarea&gt; elements available in the document with editor instances.
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * @param $className (string) If set, replace all textareas with class className in the page.
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * Example 1: replace all &lt;textarea&gt; elements in the page.
danielebarchiesi@0: 	 * @code
danielebarchiesi@0: 	 * $CKEditor = new CKEditor();
danielebarchiesi@0: 	 * $CKEditor->replaceAll();
danielebarchiesi@0: 	 * @endcode
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * Example 2: replace all &lt;textarea class="myClassName"&gt; elements in the page.
danielebarchiesi@0: 	 * @code
danielebarchiesi@0: 	 * $CKEditor = new CKEditor();
danielebarchiesi@0: 	 * $CKEditor->replaceAll( 'myClassName' );
danielebarchiesi@0: 	 * @endcode
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	function replaceAll($className = null)
danielebarchiesi@0: 	{
danielebarchiesi@0: 		$out = "";
danielebarchiesi@0: 		if (!$this->initialized) {
danielebarchiesi@0: 			$out .= $this->init();
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		$_config = $this->configSettings();
danielebarchiesi@0: 
danielebarchiesi@0: 		$js = $this->returnGlobalEvents();
danielebarchiesi@0: 		if (empty($_config)) {
danielebarchiesi@0: 			if (empty($className)) {
danielebarchiesi@0: 				$js .= "CKEDITOR.replaceAll();";
danielebarchiesi@0: 			}
danielebarchiesi@0: 			else {
danielebarchiesi@0: 				$js .= "CKEDITOR.replaceAll('".$className."');";
danielebarchiesi@0: 			}
danielebarchiesi@0: 		}
danielebarchiesi@0: 		else {
danielebarchiesi@0: 			$classDetection = "";
danielebarchiesi@0: 			$js .= "CKEDITOR.replaceAll( function(textarea, config) {\n";
danielebarchiesi@0: 			if (!empty($className)) {
danielebarchiesi@0: 				$js .= "	var classRegex = new RegExp('(?:^| )' + '". $className ."' + '(?:$| )');\n";
danielebarchiesi@0: 				$js .= "	if (!classRegex.test(textarea.className))\n";
danielebarchiesi@0: 				$js .= "		return false;\n";
danielebarchiesi@0: 			}
danielebarchiesi@0: 			$js .= "	CKEDITOR.tools.extend(config, ". $this->jsEncode($_config) .", true);";
danielebarchiesi@0: 			$js .= "} );";
danielebarchiesi@0: 
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		$out .= $this->script($js);
danielebarchiesi@0: 
danielebarchiesi@0: 		if (!$this->returnOutput) {
danielebarchiesi@0: 			print $out;
danielebarchiesi@0: 			$out = "";
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		return $out;
danielebarchiesi@0: 	}
danielebarchiesi@0: 
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * Adds event listener.
danielebarchiesi@0: 	 * Events are fired by %CKEditor in various situations.
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * @param $event (string) Event name.
danielebarchiesi@0: 	 * @param $javascriptCode (string) Javascript anonymous function or function name.
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * Example usage:
danielebarchiesi@0: 	 * @code
danielebarchiesi@0: 	 * $CKEditor->addEventHandler('instanceReady', 'function (ev) {
danielebarchiesi@0: 	 *     alert("Loaded: " + ev.editor.name);
danielebarchiesi@0: 	 * }');
danielebarchiesi@0: 	 * @endcode
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	function addEventHandler($event, $javascriptCode)
danielebarchiesi@0: 	{
danielebarchiesi@0: 		if (!isset($this->_events[$event])) {
danielebarchiesi@0: 			$this->_events[$event] = array();
danielebarchiesi@0: 		}
danielebarchiesi@0: 		// Avoid duplicates.
danielebarchiesi@0: 		if (!in_array($javascriptCode, $this->_events[$event])) {
danielebarchiesi@0: 			$this->_events[$event][] = $javascriptCode;
danielebarchiesi@0: 		}
danielebarchiesi@0: 	}
danielebarchiesi@0: 
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * Clear registered event handlers.
danielebarchiesi@0: 	 * Note: this function will have no effect on already created editor instances.
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * @param $event (string) Event name, if not set all event handlers will be removed (optional).
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	function clearEventHandlers($event = null)
danielebarchiesi@0: 	{
danielebarchiesi@0: 		if (!empty($event)) {
danielebarchiesi@0: 			$this->_events[$event] = array();
danielebarchiesi@0: 		}
danielebarchiesi@0: 		else {
danielebarchiesi@0: 			$this->_events = array();
danielebarchiesi@0: 		}
danielebarchiesi@0: 	}
danielebarchiesi@0: 
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * Adds global event listener.
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * @param $event (string) Event name.
danielebarchiesi@0: 	 * @param $javascriptCode (string) Javascript anonymous function or function name.
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * Example usage:
danielebarchiesi@0: 	 * @code
danielebarchiesi@0: 	 * $CKEditor->addGlobalEventHandler('dialogDefinition', 'function (ev) {
danielebarchiesi@0: 	 *     alert("Loading dialog: " + ev.data.name);
danielebarchiesi@0: 	 * }');
danielebarchiesi@0: 	 * @endcode
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	function addGlobalEventHandler($event, $javascriptCode)
danielebarchiesi@0: 	{
danielebarchiesi@0: 		if (!isset($this->_globalEvents[$event])) {
danielebarchiesi@0: 			$this->_globalEvents[$event] = array();
danielebarchiesi@0: 		}
danielebarchiesi@0: 		// Avoid duplicates.
danielebarchiesi@0: 		if (!in_array($javascriptCode, $this->_globalEvents[$event])) {
danielebarchiesi@0: 			$this->_globalEvents[$event][] = $javascriptCode;
danielebarchiesi@0: 		}
danielebarchiesi@0: 	}
danielebarchiesi@0: 
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * Clear registered global event handlers.
danielebarchiesi@0: 	 * Note: this function will have no effect if the event handler has been already printed/returned.
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * @param $event (string) Event name, if not set all event handlers will be removed (optional).
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	function clearGlobalEventHandlers($event = null)
danielebarchiesi@0: 	{
danielebarchiesi@0: 		if (!empty($event)) {
danielebarchiesi@0: 			$this->_globalEvents[$event] = array();
danielebarchiesi@0: 		}
danielebarchiesi@0: 		else {
danielebarchiesi@0: 			$this->_globalEvents = array();
danielebarchiesi@0: 		}
danielebarchiesi@0: 	}
danielebarchiesi@0: 
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * Prints javascript code.
danielebarchiesi@0: 	 * \private
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * @param string $js
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	function script($js)
danielebarchiesi@0: 	{
danielebarchiesi@0: 		$out = "<script type=\"text/javascript\">";
danielebarchiesi@0: 		$out .= "//<![CDATA[\n";
danielebarchiesi@0: 		$out .= $js;
danielebarchiesi@0: 		$out .= "\n//]]>";
danielebarchiesi@0: 		$out .= "</script>\n";
danielebarchiesi@0: 
danielebarchiesi@0: 		return $out;
danielebarchiesi@0: 	}
danielebarchiesi@0: 
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * Returns the configuration array (global and instance specific settings are merged into one array).
danielebarchiesi@0: 	 * \private
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * @param $config (array) The specific configurations to apply to editor instance.
danielebarchiesi@0: 	 * @param $events (array) Event listeners for editor instance.
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	function configSettings($config = array(), $events = array())
danielebarchiesi@0: 	{
danielebarchiesi@0: 		$_config = $this->config;
danielebarchiesi@0: 		$_events = $this->_events;
danielebarchiesi@0: 
danielebarchiesi@0: 		if (is_array($config) && !empty($config)) {
danielebarchiesi@0: 			$_config = array_merge($_config, $config);
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		if (is_array($events) && !empty($events)) {
danielebarchiesi@0: 			foreach ($events as $eventName => $code) {
danielebarchiesi@0: 				if (!isset($_events[$eventName])) {
danielebarchiesi@0: 					$_events[$eventName] = array();
danielebarchiesi@0: 				}
danielebarchiesi@0: 				if (!in_array($code, $_events[$eventName])) {
danielebarchiesi@0: 					$_events[$eventName][] = $code;
danielebarchiesi@0: 				}
danielebarchiesi@0: 			}
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		if (!empty($_events)) {
danielebarchiesi@0: 			foreach($_events as $eventName => $handlers) {
danielebarchiesi@0: 				if (empty($handlers)) {
danielebarchiesi@0: 					continue;
danielebarchiesi@0: 				}
danielebarchiesi@0: 				else if (count($handlers) == 1) {
danielebarchiesi@0: 					$_config['on'][$eventName] = '@@'.$handlers[0];
danielebarchiesi@0: 				}
danielebarchiesi@0: 				else {
danielebarchiesi@0: 					$_config['on'][$eventName] = '@@function (ev){';
danielebarchiesi@0: 					foreach ($handlers as $handler => $code) {
danielebarchiesi@0: 						$_config['on'][$eventName] .= '('.$code.')(ev);';
danielebarchiesi@0: 					}
danielebarchiesi@0: 					$_config['on'][$eventName] .= '}';
danielebarchiesi@0: 				}
danielebarchiesi@0: 			}
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		return $_config;
danielebarchiesi@0: 	}
danielebarchiesi@0: 
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * Return global event handlers.
danielebarchiesi@0: 	 * \private
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	function returnGlobalEvents()
danielebarchiesi@0: 	{
danielebarchiesi@0: 		static $returnedEvents;
danielebarchiesi@0: 		$out = "";
danielebarchiesi@0: 
danielebarchiesi@0: 		if (!isset($returnedEvents)) {
danielebarchiesi@0: 			$returnedEvents = array();
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		if (!empty($this->_globalEvents)) {
danielebarchiesi@0: 			foreach ($this->_globalEvents as $eventName => $handlers) {
danielebarchiesi@0: 				foreach ($handlers as $handler => $code) {
danielebarchiesi@0: 					if (!isset($returnedEvents[$eventName])) {
danielebarchiesi@0: 						$returnedEvents[$eventName] = array();
danielebarchiesi@0: 					}
danielebarchiesi@0: 					// Return only new events
danielebarchiesi@0: 					if (!in_array($code, $returnedEvents[$eventName])) {
danielebarchiesi@0: 						$out .= ($code ? "\n" : "") . "CKEDITOR.on('". $eventName ."', $code);";
danielebarchiesi@0: 						$returnedEvents[$eventName][] = $code;
danielebarchiesi@0: 					}
danielebarchiesi@0: 				}
danielebarchiesi@0: 			}
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		return $out;
danielebarchiesi@0: 	}
danielebarchiesi@0: 
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * Initializes CKEditor (executed only once).
danielebarchiesi@0: 	 * \private
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	function init()
danielebarchiesi@0: 	{
danielebarchiesi@0: 		static $initComplete;
danielebarchiesi@0: 		$out = "";
danielebarchiesi@0: 
danielebarchiesi@0: 		if (!empty($initComplete)) {
danielebarchiesi@0: 			return "";
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		if ($this->initialized) {
danielebarchiesi@0: 			$initComplete = true;
danielebarchiesi@0: 			return "";
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		$args = "";
danielebarchiesi@0: 		$ckeditorPath = $this->ckeditorPath();
danielebarchiesi@0: 
danielebarchiesi@0: 		if (!empty($this->timestamp) && $this->timestamp != "%"."TIMESTAMP%") {
danielebarchiesi@0: 			$args = '?t=' . $this->timestamp;
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		// Skip relative paths...
danielebarchiesi@0: 		if (strpos($ckeditorPath, '..') !== 0) {
danielebarchiesi@0: 			$out .= $this->script("window.CKEDITOR_BASEPATH='". $ckeditorPath ."';");
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		$out .= "<script type=\"text/javascript\" src=\"" . $ckeditorPath . 'ckeditor.js' . $args . "\"></script>\n";
danielebarchiesi@0: 
danielebarchiesi@0: 		$extraCode = "";
danielebarchiesi@0: 		if ($this->timestamp != $this->_timestamp) {
danielebarchiesi@0: 			$extraCode .= ($extraCode ? "\n" : "") . "CKEDITOR.timestamp = '". $this->timestamp ."';";
danielebarchiesi@0: 		}
danielebarchiesi@0: 		if ($extraCode) {
danielebarchiesi@0: 			$out .= $this->script($extraCode);
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		$initComplete = $this->initialized = true;
danielebarchiesi@0: 
danielebarchiesi@0: 		return $out;
danielebarchiesi@0: 	}
danielebarchiesi@0: 
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * Return path to ckeditor.js.
danielebarchiesi@0: 	 * \private
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	function ckeditorPath()
danielebarchiesi@0: 	{
danielebarchiesi@0: 		if (!empty($this->basePath)) {
danielebarchiesi@0: 			return $this->basePath;
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		/**
danielebarchiesi@0: 		 * The absolute pathname of the currently executing script.
danielebarchiesi@0: 		 * Note: If a script is executed with the CLI, as a relative path, such as file.php or ../file.php,
danielebarchiesi@0: 		 * $_SERVER['SCRIPT_FILENAME'] will contain the relative path specified by the user.
danielebarchiesi@0: 		 */
danielebarchiesi@0: 		if (isset($_SERVER['SCRIPT_FILENAME'])) {
danielebarchiesi@0: 			$realPath = dirname($_SERVER['SCRIPT_FILENAME']);
danielebarchiesi@0: 		}
danielebarchiesi@0: 		else {
danielebarchiesi@0: 			/**
danielebarchiesi@0: 			 * realpath - Returns canonicalized absolute pathname
danielebarchiesi@0: 			 */
danielebarchiesi@0: 			$realPath = realpath( './' ) ;
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		/**
danielebarchiesi@0: 		 * The filename of the currently executing script, relative to the document root.
danielebarchiesi@0: 		 * For instance, $_SERVER['PHP_SELF'] in a script at the address http://example.com/test.php/foo.bar
danielebarchiesi@0: 		 * would be /test.php/foo.bar.
danielebarchiesi@0: 		 */
danielebarchiesi@0: 		$selfPath = dirname($_SERVER['PHP_SELF']);
danielebarchiesi@0: 		$file = str_replace("\\", "/", __FILE__);
danielebarchiesi@0: 
danielebarchiesi@0: 		if (!$selfPath || !$realPath || !$file) {
danielebarchiesi@0: 			return "/ckeditor/";
danielebarchiesi@0: 		}
danielebarchiesi@0: 
danielebarchiesi@0: 		$documentRoot = substr($realPath, 0, strlen($realPath) - strlen($selfPath));
danielebarchiesi@0: 		$fileUrl = substr($file, strlen($documentRoot));
danielebarchiesi@0: 		$ckeditorUrl = str_replace("ckeditor_php4.php", "", $fileUrl);
danielebarchiesi@0: 
danielebarchiesi@0: 		return $ckeditorUrl;
danielebarchiesi@0: 	}
danielebarchiesi@0: 
danielebarchiesi@0: 	/**
danielebarchiesi@0: 	 * This little function provides a basic JSON support.
danielebarchiesi@0: 	 * \private
danielebarchiesi@0: 	 *
danielebarchiesi@0: 	 * @param mixed $val
danielebarchiesi@0: 	 * @return string
danielebarchiesi@0: 	 */
danielebarchiesi@0: 	function jsEncode($val)
danielebarchiesi@0: 	{
danielebarchiesi@0: 		if (is_null($val)) {
danielebarchiesi@0: 			return 'null';
danielebarchiesi@0: 		}
danielebarchiesi@0: 		if (is_bool($val)) {
danielebarchiesi@0: 			return $val ? 'true' : 'false';
danielebarchiesi@0: 		}
danielebarchiesi@0: 		if (is_int($val)) {
danielebarchiesi@0: 			return $val;
danielebarchiesi@0: 		}
danielebarchiesi@0: 		if (is_float($val)) {
danielebarchiesi@0: 			return str_replace(',', '.', $val);
danielebarchiesi@0: 		}
danielebarchiesi@0: 		if (is_array($val) || is_object($val)) {
danielebarchiesi@0: 			if (is_array($val) && (array_keys($val) === range(0,count($val)-1))) {
danielebarchiesi@0: 				return '[' . implode(',', array_map(array($this, 'jsEncode'), $val)) . ']';
danielebarchiesi@0: 			}
danielebarchiesi@0: 			$temp = array();
danielebarchiesi@0: 			foreach ($val as $k => $v){
danielebarchiesi@0: 				$temp[] = $this->jsEncode("{$k}") . ':' . $this->jsEncode($v);
danielebarchiesi@0: 			}
danielebarchiesi@0: 			return '{' . implode(',', $temp) . '}';
danielebarchiesi@0: 		}
danielebarchiesi@0: 		// String otherwise
danielebarchiesi@0: 		if (strpos($val, '@@') === 0)
danielebarchiesi@0: 			return substr($val, 2);
danielebarchiesi@0: 		if (strtoupper(substr($val, 0, 9)) == 'CKEDITOR.')
danielebarchiesi@0: 			return $val;
danielebarchiesi@0: 
danielebarchiesi@0: 		return '"' . str_replace(array("\\", "/", "\n", "\t", "\r", "\x08", "\x0c", '"'), array('\\\\', '\\/', '\\n', '\\t', '\\r', '\\b', '\\f', '\"'), $val) . '"';
danielebarchiesi@0: 	}
danielebarchiesi@0: }