diff sites/all/libraries/ckeditor/ckeditor_php4.php @ 0:ff03f76ab3fe

initial version

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sites/all/libraries/ckeditor/ckeditor_php4.php	Wed Aug 21 18:51:11 2013 +0100
@@ -0,0 +1,566 @@
+<?php
+/*
+* Copyright (c) 2003-2013, CKSource - Frederico Knabben. All rights reserved.
+* For licensing, see LICENSE.html or http://ckeditor.com/license
+*/
+
+/**
+ * \brief CKEditor class that can be used to create editor
+ * instances in PHP pages on server side.
+ * @see http://ckeditor.com
+ *
+ * Sample usage:
+ * @code
+ * $CKEditor = new CKEditor();
+ * $CKEditor->editor("editor1", "<p>Initial value.</p>");
+ * @endcode
+ */
+class CKEditor
+{
+	/**
+	 * The version of %CKEditor.
+	 * \private
+	 */
+	var $version = '3.6.6';
+	/**
+	 * A constant string unique for each release of %CKEditor.
+	 * \private
+	 */
+	var $_timestamp = 'D03G5XL';
+
+	/**
+	 * URL to the %CKEditor installation directory (absolute or relative to document root).
+	 * If not set, CKEditor will try to guess it's path.
+	 *
+	 * Example usage:
+	 * @code
+	 * $CKEditor->basePath = '/ckeditor/';
+	 * @endcode
+	 */
+	var $basePath;
+	/**
+	 * An array that holds the global %CKEditor configuration.
+	 * For the list of available options, see http://docs.cksource.com/ckeditor_api/symbols/CKEDITOR.config.html
+	 *
+	 * Example usage:
+	 * @code
+	 * $CKEditor->config['height'] = 400;
+	 * // Use @@ at the beggining of a string to ouput it without surrounding quotes.
+	 * $CKEditor->config['width'] = '@@screen.width * 0.8';
+	 * @endcode
+	 */
+	var $config = array();
+	/**
+	 * A boolean variable indicating whether CKEditor has been initialized.
+	 * Set it to true only if you have already included
+	 * &lt;script&gt; tag loading ckeditor.js in your website.
+	 */
+	var $initialized = false;
+	/**
+	 * Boolean variable indicating whether created code should be printed out or returned by a function.
+	 *
+	 * Example 1: get the code creating %CKEditor instance and print it on a page with the "echo" function.
+	 * @code
+	 * $CKEditor = new CKEditor();
+	 * $CKEditor->returnOutput = true;
+	 * $code = $CKEditor->editor("editor1", "<p>Initial value.</p>");
+	 * echo "<p>Editor 1:</p>";
+	 * echo $code;
+	 * @endcode
+	 */
+	var $returnOutput = false;
+	/**
+	 * An array with textarea attributes.
+	 *
+	 * When %CKEditor is created with the editor() method, a HTML &lt;textarea&gt; element is created,
+	 * it will be displayed to anyone with JavaScript disabled or with incompatible browser.
+	 */
+	var $textareaAttributes = array( "rows" => 8, "cols" => 60 );
+	/**
+	 * A string indicating the creation date of %CKEditor.
+	 * Do not change it unless you want to force browsers to not use previously cached version of %CKEditor.
+	 */
+	var $timestamp = "D03G5XL";
+	/**
+	 * An array that holds event listeners.
+	 * \private
+	 */
+	var $_events = array();
+	/**
+	 * An array that holds global event listeners.
+	 * \private
+	 */
+	var $_globalEvents = array();
+
+	/**
+	 * Main Constructor.
+	 *
+	 *  @param $basePath (string) URL to the %CKEditor installation directory (optional).
+	 */
+	function CKEditor($basePath = null) {
+		if (!empty($basePath)) {
+			$this->basePath = $basePath;
+		}
+	}
+
+	/**
+	 * Creates a %CKEditor instance.
+	 * In incompatible browsers %CKEditor will downgrade to plain HTML &lt;textarea&gt; element.
+	 *
+	 * @param $name (string) Name of the %CKEditor instance (this will be also the "name" attribute of textarea element).
+	 * @param $value (string) Initial value (optional).
+	 * @param $config (array) The specific configurations to apply to this editor instance (optional).
+	 * @param $events (array) Event listeners for this editor instance (optional).
+	 *
+	 * Example usage:
+	 * @code
+	 * $CKEditor = new CKEditor();
+	 * $CKEditor->editor("field1", "<p>Initial value.</p>");
+	 * @endcode
+	 *
+	 * Advanced example:
+	 * @code
+	 * $CKEditor = new CKEditor();
+	 * $config = array();
+	 * $config['toolbar'] = array(
+	 *     array( 'Source', '-', 'Bold', 'Italic', 'Underline', 'Strike' ),
+	 *     array( 'Image', 'Link', 'Unlink', 'Anchor' )
+	 * );
+	 * $events['instanceReady'] = 'function (ev) {
+	 *     alert("Loaded: " + ev.editor.name);
+	 * }';
+	 * $CKEditor->editor("field1", "<p>Initial value.</p>", $config, $events);
+	 * @endcode
+	 */
+	function editor($name, $value = "", $config = array(), $events = array())
+	{
+		$attr = "";
+		foreach ($this->textareaAttributes as $key => $val) {
+			$attr.= " " . $key . '="' . str_replace('"', '&quot;', $val) . '"';
+		}
+		$out = "<textarea name=\"" . $name . "\"" . $attr . ">" . htmlspecialchars($value) . "</textarea>\n";
+		if (!$this->initialized) {
+			$out .= $this->init();
+		}
+
+		$_config = $this->configSettings($config, $events);
+
+		$js = $this->returnGlobalEvents();
+		if (!empty($_config))
+			$js .= "CKEDITOR.replace('".$name."', ".$this->jsEncode($_config).");";
+		else
+			$js .= "CKEDITOR.replace('".$name."');";
+
+		$out .= $this->script($js);
+
+		if (!$this->returnOutput) {
+			print $out;
+			$out = "";
+		}
+
+		return $out;
+	}
+
+	/**
+	 * Replaces a &lt;textarea&gt; with a %CKEditor instance.
+	 *
+	 * @param $id (string) The id or name of textarea element.
+	 * @param $config (array) The specific configurations to apply to this editor instance (optional).
+	 * @param $events (array) Event listeners for this editor instance (optional).
+	 *
+	 * Example 1: adding %CKEditor to &lt;textarea name="article"&gt;&lt;/textarea&gt; element:
+	 * @code
+	 * $CKEditor = new CKEditor();
+	 * $CKEditor->replace("article");
+	 * @endcode
+	 */
+	function replace($id, $config = array(), $events = array())
+	{
+		$out = "";
+		if (!$this->initialized) {
+			$out .= $this->init();
+		}
+
+		$_config = $this->configSettings($config, $events);
+
+		$js = $this->returnGlobalEvents();
+		if (!empty($_config)) {
+			$js .= "CKEDITOR.replace('".$id."', ".$this->jsEncode($_config).");";
+		}
+		else {
+			$js .= "CKEDITOR.replace('".$id."');";
+		}
+		$out .= $this->script($js);
+
+		if (!$this->returnOutput) {
+			print $out;
+			$out = "";
+		}
+
+		return $out;
+	}
+
+	/**
+	 * Replace all &lt;textarea&gt; elements available in the document with editor instances.
+	 *
+	 * @param $className (string) If set, replace all textareas with class className in the page.
+	 *
+	 * Example 1: replace all &lt;textarea&gt; elements in the page.
+	 * @code
+	 * $CKEditor = new CKEditor();
+	 * $CKEditor->replaceAll();
+	 * @endcode
+	 *
+	 * Example 2: replace all &lt;textarea class="myClassName"&gt; elements in the page.
+	 * @code
+	 * $CKEditor = new CKEditor();
+	 * $CKEditor->replaceAll( 'myClassName' );
+	 * @endcode
+	 */
+	function replaceAll($className = null)
+	{
+		$out = "";
+		if (!$this->initialized) {
+			$out .= $this->init();
+		}
+
+		$_config = $this->configSettings();
+
+		$js = $this->returnGlobalEvents();
+		if (empty($_config)) {
+			if (empty($className)) {
+				$js .= "CKEDITOR.replaceAll();";
+			}
+			else {
+				$js .= "CKEDITOR.replaceAll('".$className."');";
+			}
+		}
+		else {
+			$classDetection = "";
+			$js .= "CKEDITOR.replaceAll( function(textarea, config) {\n";
+			if (!empty($className)) {
+				$js .= "	var classRegex = new RegExp('(?:^| )' + '". $className ."' + '(?:$| )');\n";
+				$js .= "	if (!classRegex.test(textarea.className))\n";
+				$js .= "		return false;\n";
+			}
+			$js .= "	CKEDITOR.tools.extend(config, ". $this->jsEncode($_config) .", true);";
+			$js .= "} );";
+
+		}
+
+		$out .= $this->script($js);
+
+		if (!$this->returnOutput) {
+			print $out;
+			$out = "";
+		}
+
+		return $out;
+	}
+
+	/**
+	 * Adds event listener.
+	 * Events are fired by %CKEditor in various situations.
+	 *
+	 * @param $event (string) Event name.
+	 * @param $javascriptCode (string) Javascript anonymous function or function name.
+	 *
+	 * Example usage:
+	 * @code
+	 * $CKEditor->addEventHandler('instanceReady', 'function (ev) {
+	 *     alert("Loaded: " + ev.editor.name);
+	 * }');
+	 * @endcode
+	 */
+	function addEventHandler($event, $javascriptCode)
+	{
+		if (!isset($this->_events[$event])) {
+			$this->_events[$event] = array();
+		}
+		// Avoid duplicates.
+		if (!in_array($javascriptCode, $this->_events[$event])) {
+			$this->_events[$event][] = $javascriptCode;
+		}
+	}
+
+	/**
+	 * Clear registered event handlers.
+	 * Note: this function will have no effect on already created editor instances.
+	 *
+	 * @param $event (string) Event name, if not set all event handlers will be removed (optional).
+	 */
+	function clearEventHandlers($event = null)
+	{
+		if (!empty($event)) {
+			$this->_events[$event] = array();
+		}
+		else {
+			$this->_events = array();
+		}
+	}
+
+	/**
+	 * Adds global event listener.
+	 *
+	 * @param $event (string) Event name.
+	 * @param $javascriptCode (string) Javascript anonymous function or function name.
+	 *
+	 * Example usage:
+	 * @code
+	 * $CKEditor->addGlobalEventHandler('dialogDefinition', 'function (ev) {
+	 *     alert("Loading dialog: " + ev.data.name);
+	 * }');
+	 * @endcode
+	 */
+	function addGlobalEventHandler($event, $javascriptCode)
+	{
+		if (!isset($this->_globalEvents[$event])) {
+			$this->_globalEvents[$event] = array();
+		}
+		// Avoid duplicates.
+		if (!in_array($javascriptCode, $this->_globalEvents[$event])) {
+			$this->_globalEvents[$event][] = $javascriptCode;
+		}
+	}
+
+	/**
+	 * Clear registered global event handlers.
+	 * Note: this function will have no effect if the event handler has been already printed/returned.
+	 *
+	 * @param $event (string) Event name, if not set all event handlers will be removed (optional).
+	 */
+	function clearGlobalEventHandlers($event = null)
+	{
+		if (!empty($event)) {
+			$this->_globalEvents[$event] = array();
+		}
+		else {
+			$this->_globalEvents = array();
+		}
+	}
+
+	/**
+	 * Prints javascript code.
+	 * \private
+	 *
+	 * @param string $js
+	 */
+	function script($js)
+	{
+		$out = "<script type=\"text/javascript\">";
+		$out .= "//<![CDATA[\n";
+		$out .= $js;
+		$out .= "\n//]]>";
+		$out .= "</script>\n";
+
+		return $out;
+	}
+
+	/**
+	 * Returns the configuration array (global and instance specific settings are merged into one array).
+	 * \private
+	 *
+	 * @param $config (array) The specific configurations to apply to editor instance.
+	 * @param $events (array) Event listeners for editor instance.
+	 */
+	function configSettings($config = array(), $events = array())
+	{
+		$_config = $this->config;
+		$_events = $this->_events;
+
+		if (is_array($config) && !empty($config)) {
+			$_config = array_merge($_config, $config);
+		}
+
+		if (is_array($events) && !empty($events)) {
+			foreach ($events as $eventName => $code) {
+				if (!isset($_events[$eventName])) {
+					$_events[$eventName] = array();
+				}
+				if (!in_array($code, $_events[$eventName])) {
+					$_events[$eventName][] = $code;
+				}
+			}
+		}
+
+		if (!empty($_events)) {
+			foreach($_events as $eventName => $handlers) {
+				if (empty($handlers)) {
+					continue;
+				}
+				else if (count($handlers) == 1) {
+					$_config['on'][$eventName] = '@@'.$handlers[0];
+				}
+				else {
+					$_config['on'][$eventName] = '@@function (ev){';
+					foreach ($handlers as $handler => $code) {
+						$_config['on'][$eventName] .= '('.$code.')(ev);';
+					}
+					$_config['on'][$eventName] .= '}';
+				}
+			}
+		}
+
+		return $_config;
+	}
+
+	/**
+	 * Return global event handlers.
+	 * \private
+	 */
+	function returnGlobalEvents()
+	{
+		static $returnedEvents;
+		$out = "";
+
+		if (!isset($returnedEvents)) {
+			$returnedEvents = array();
+		}
+
+		if (!empty($this->_globalEvents)) {
+			foreach ($this->_globalEvents as $eventName => $handlers) {
+				foreach ($handlers as $handler => $code) {
+					if (!isset($returnedEvents[$eventName])) {
+						$returnedEvents[$eventName] = array();
+					}
+					// Return only new events
+					if (!in_array($code, $returnedEvents[$eventName])) {
+						$out .= ($code ? "\n" : "") . "CKEDITOR.on('". $eventName ."', $code);";
+						$returnedEvents[$eventName][] = $code;
+					}
+				}
+			}
+		}
+
+		return $out;
+	}
+
+	/**
+	 * Initializes CKEditor (executed only once).
+	 * \private
+	 */
+	function init()
+	{
+		static $initComplete;
+		$out = "";
+
+		if (!empty($initComplete)) {
+			return "";
+		}
+
+		if ($this->initialized) {
+			$initComplete = true;
+			return "";
+		}
+
+		$args = "";
+		$ckeditorPath = $this->ckeditorPath();
+
+		if (!empty($this->timestamp) && $this->timestamp != "%"."TIMESTAMP%") {
+			$args = '?t=' . $this->timestamp;
+		}
+
+		// Skip relative paths...
+		if (strpos($ckeditorPath, '..') !== 0) {
+			$out .= $this->script("window.CKEDITOR_BASEPATH='". $ckeditorPath ."';");
+		}
+
+		$out .= "<script type=\"text/javascript\" src=\"" . $ckeditorPath . 'ckeditor.js' . $args . "\"></script>\n";
+
+		$extraCode = "";
+		if ($this->timestamp != $this->_timestamp) {
+			$extraCode .= ($extraCode ? "\n" : "") . "CKEDITOR.timestamp = '". $this->timestamp ."';";
+		}
+		if ($extraCode) {
+			$out .= $this->script($extraCode);
+		}
+
+		$initComplete = $this->initialized = true;
+
+		return $out;
+	}
+
+	/**
+	 * Return path to ckeditor.js.
+	 * \private
+	 */
+	function ckeditorPath()
+	{
+		if (!empty($this->basePath)) {
+			return $this->basePath;
+		}
+
+		/**
+		 * The absolute pathname of the currently executing script.
+		 * Note: If a script is executed with the CLI, as a relative path, such as file.php or ../file.php,
+		 * $_SERVER['SCRIPT_FILENAME'] will contain the relative path specified by the user.
+		 */
+		if (isset($_SERVER['SCRIPT_FILENAME'])) {
+			$realPath = dirname($_SERVER['SCRIPT_FILENAME']);
+		}
+		else {
+			/**
+			 * realpath - Returns canonicalized absolute pathname
+			 */
+			$realPath = realpath( './' ) ;
+		}
+
+		/**
+		 * The filename of the currently executing script, relative to the document root.
+		 * For instance, $_SERVER['PHP_SELF'] in a script at the address http://example.com/test.php/foo.bar
+		 * would be /test.php/foo.bar.
+		 */
+		$selfPath = dirname($_SERVER['PHP_SELF']);
+		$file = str_replace("\\", "/", __FILE__);
+
+		if (!$selfPath || !$realPath || !$file) {
+			return "/ckeditor/";
+		}
+
+		$documentRoot = substr($realPath, 0, strlen($realPath) - strlen($selfPath));
+		$fileUrl = substr($file, strlen($documentRoot));
+		$ckeditorUrl = str_replace("ckeditor_php4.php", "", $fileUrl);
+
+		return $ckeditorUrl;
+	}
+
+	/**
+	 * This little function provides a basic JSON support.
+	 * \private
+	 *
+	 * @param mixed $val
+	 * @return string
+	 */
+	function jsEncode($val)
+	{
+		if (is_null($val)) {
+			return 'null';
+		}
+		if (is_bool($val)) {
+			return $val ? 'true' : 'false';
+		}
+		if (is_int($val)) {
+			return $val;
+		}
+		if (is_float($val)) {
+			return str_replace(',', '.', $val);
+		}
+		if (is_array($val) || is_object($val)) {
+			if (is_array($val) && (array_keys($val) === range(0,count($val)-1))) {
+				return '[' . implode(',', array_map(array($this, 'jsEncode'), $val)) . ']';
+			}
+			$temp = array();
+			foreach ($val as $k => $v){
+				$temp[] = $this->jsEncode("{$k}") . ':' . $this->jsEncode($v);
+			}
+			return '{' . implode(',', $temp) . '}';
+		}
+		// String otherwise
+		if (strpos($val, '@@') === 0)
+			return substr($val, 2);
+		if (strtoupper(substr($val, 0, 9)) == 'CKEDITOR.')
+			return $val;
+
+		return '"' . str_replace(array("\\", "/", "\n", "\t", "\r", "\x08", "\x0c", '"'), array('\\\\', '\\/', '\\n', '\\t', '\\r', '\\b', '\\f', '\"'), $val) . '"';
+	}
+}