File "editor.php"
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<?php
/**
* @package Joomla.Platform
* @subpackage HTML
*
* @copyright Copyright (C) 2005 - 2011 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
jimport('joomla.event.dispatcher');
/**
* JEditor class to handle WYSIWYG editors
*
* @package Joomla.Platform
* @subpackage HTML
* @since 11.1
*/
class JEditor extends JObservable
{
/**
* Editor Plugin object
*
* @var object
*/
protected $_editor = null;
/**
* Editor Plugin name
*
* @var string
*/
protected $_name = null;
/**
* Object asset
*
* @var string
*/
protected $asset = null;
/**
* Object author
*
* @var string
*/
protected $author = null;
/**
* Constructor
*
* @param string The editor name
*/
public function __construct($editor = 'none')
{
$this->_name = $editor;
}
/**
* Returns the global Editor object, only creating it
* if it doesn't already exist.
*
* @param string $editor The editor to use.
*
* @return object JEditor The Editor object.
*/
public static function getInstance($editor = 'none')
{
static $instances;
if (!isset ($instances)) {
$instances = array ();
}
$signature = serialize($editor);
if (empty ($instances[$signature])) {
$instances[$signature] = new JEditor($editor);
}
return $instances[$signature];
}
/**
* Initialise the editor
*/
public function initialise()
{
//check if editor is already loaded
if (is_null(($this->_editor))) {
return;
}
$args['event'] = 'onInit';
$return = '';
$results[] = $this->_editor->update($args);
foreach ($results as $result)
{
if (trim($result)) {
//$return .= $result;
$return = $result;
}
}
$document = JFactory::getDocument();
$document->addCustomTag($return);
}
/**
* Display the editor area.
*
* @param string $name The control name.
* @param string $html The contents of the text area.
* @param string $width The width of the text area (px or %).
* @param string $height The height of the text area (px or %).
* @param integer $col The number of columns for the textarea.
* @param integer $row The number of rows for the textarea.
* @param boolean $buttons True and the editor buttons will be displayed.
* @param string $id An optional ID for the textarea (note: since 1.6). If not supplied the name is used.
* @param string $asset The object asset
* @param object $author
* @param array $params Associative array of editor parameters.
*
* @return string
*
* @since 11.1
*/
public function display($name, $html, $width, $height, $col, $row, $buttons = true, $id = null, $asset = null, $author = null, $params = array())
{
$this->asset = $asset;
$this->author = $author;
$this->_loadEditor($params);
// Check whether editor is already loaded
if (is_null(($this->_editor))) {
return;
}
// Backwards compatibility. Width and height should be passed without a semicolon from now on.
// If editor plugins need a unit like "px" for CSS styling, they need to take care of that
$width = str_replace(';', '', $width);
$height = str_replace(';', '', $height);
// Initialise variables.
$return = null;
$args['name'] = $name;
$args['content'] = $html;
$args['width'] = $width;
$args['height'] = $height;
$args['col'] = $col;
$args['row'] = $row;
$args['buttons'] = $buttons;
$args['id'] = $id ? $id : $name;
$args['event'] = 'onDisplay';
$results[] = $this->_editor->update($args);
foreach ($results as $result)
{
if (trim($result)) {
$return .= $result;
}
}
return $return;
}
/**
* Save the editor content
*
* @param string The name of the editor control
*
* @return string
* @since 11.1
*/
public function save($editor)
{
$this->_loadEditor();
// Check whether editor is already loaded
if (is_null(($this->_editor))) {
return;
}
$args[] = $editor;
$args['event'] = 'onSave';
$return = '';
$results[] = $this->_editor->update($args);
foreach ($results as $result)
{
if (trim($result)) {
$return .= $result;
}
}
return $return;
}
/**
* Get the editor contents
*
* @param string $editor The name of the editor control
*
* @return string
*/
public function getContent($editor)
{
$this->_loadEditor();
$args['name'] = $editor;
$args['event'] = 'onGetContent';
$return = '';
$results[] = $this->_editor->update($args);
foreach ($results as $result)
{
if (trim($result)) {
$return .= $result;
}
}
return $return;
}
/**
* Set the editor contents
*
* @param string $editor The name of the editor control
* @param string $html The contents of the text area
*
* @return string
*/
public function setContent($editor, $html)
{
$this->_loadEditor();
$args['name'] = $editor;
$args['html'] = $html;
$args['event'] = 'onSetContent';
$return = '';
$results[] = $this->_editor->update($args);
foreach ($results as $result)
{
if (trim($result)) {
$return .= $result;
}
}
return $return;
}
/**
* Get the editor buttons
*
* @param string $editor The name of the editor.
* @param mixed $buttons Can be boolean or array, if boolean defines if the buttons are
* displayed, if array defines a list of buttons not to show.
*
* @since 11.1
*/
public function getButtons($editor, $buttons = true)
{
$result = array();
if (is_bool($buttons) && !$buttons) {
return $result;
}
// Get plugins
$plugins = JPluginHelper::getPlugin('editors-xtd');
foreach($plugins as $plugin)
{
if (is_array($buttons) && in_array($plugin->name, $buttons)) {
continue;
}
$isLoaded = JPluginHelper::importPlugin('editors-xtd', $plugin->name, false);
$className = 'plgButton'.$plugin->name;
if (class_exists($className)) {
$plugin = new $className($this, (array)$plugin);
}
// Try to authenticate
if ($temp = $plugin->onDisplay($editor, $this->asset, $this->author)) {
$result[] = $temp;
}
}
return $result;
}
/**
* Load the editor
*
* @param array $config Associative array of editor config paramaters
*
* @return mixed
* @since 11.1
*/
protected function _loadEditor($config = array())
{
// Check whether editor is already loaded
if (!is_null(($this->_editor))) {
return;
}
jimport('joomla.filesystem.file');
// Build the path to the needed editor plugin
$name = JFilterInput::getInstance()->clean($this->_name, 'cmd');
$path = JPATH_PLUGINS.'/editors/'.$name.'.php';
if (!JFile::exists($path)) {
$path = JPATH_PLUGINS.'/editors/'.$name.'/'.$name.'.php';
if (!JFile::exists($path)) {
$message = JText::_('JLIB_HTML_EDITOR_CANNOT_LOAD');
JError::raiseWarning(500, $message);
return false;
}
}
// Require plugin file
require_once $path;
// Get the plugin
$plugin = JPluginHelper::getPlugin('editors', $this->_name);
$params = new JRegistry;
$params->loadString($plugin->params);
$params->loadArray($config);
$plugin->params = $params;
// Build editor plugin classname
$name = 'plgEditor'.$this->_name;
if ($this->_editor = new $name ($this, (array)$plugin)) {
// Load plugin parameters
$this->initialise();
JPluginHelper::importPlugin('editors-xtd');
}
}
}