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<?php
/**
* Editor Class
*
* The Editor:: package provides an rte editor for the Horde
* Application Framework.
*
* $Horde: framework/Editor/Editor.php,v 1.8.10.8 2006/01/01 21:28:14 jan Exp $
*
* Copyright 2003-2006 Nuno Loureiro <nuno@co.sapo.pt>
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
*
* @author Nuno Loureiro <nuno@co.sapo.pt>
* @since Horde 3.0
* @package Horde_Editor
*/
class Horde_Editor {
/**
* Constructor.
*/
function Horde_Editor($params = array())
{
}
/**
* Attempts to return a concrete Horde_Editor instance based on $driver.
*
* @param mixed $driver The type of concrete Horde_Editor subclass to
* return. If $driver is an array, then we will look
* in $driver[0]/lib/Driver/ for the subclass
* implementation named $driver[1].php.
* @param array $params A hash containing any additional configuration or
* connection parameters a subclass might need.
*
* @return Horde_Editor The newly created concrete Horde_Editor instance,
* or false on error.
*/
function &factory($driver, $params = null)
{
if (is_array($driver)) {
$app = $driver[0];
$driver = $driver[1];
}
$driver = basename($driver);
if (empty($driver) || $driver == 'none') {
$editor = &new Horde_Editor($params);
return $editor;
}
if (is_null($params) && class_exists('Horde')) {
$params = Horde::getDriverConfig('editor', $driver);
}
if (!empty($app)) {
global $registry;
require_once $registry->get('fileroot', $app) . '/lib/Editor/' . $driver . '.php';
} elseif (@file_exists(dirname(__FILE__) . '/Editor/' . $driver . '.php')) {
require_once dirname(__FILE__) . '/Editor/' . $driver . '.php';
} else {
@include_once 'Horde/Editor/' . $driver . '.php';
}
$class = 'Horde_Editor_' . $driver;
if (class_exists($class)) {
$editor = &new $class($params);
} else {
$editor = PEAR::raiseError('Class definition of ' . $class . ' not found.');
}
return $editor;
}
/**
* Attempts to return a reference to a concrete Horde_Editor
* instance based on $driver. It will only create a new instance
* if no Horde_Editor instance with the same parameters currently
* exists.
*
* This should be used if multiple cache backends (and, thus,
* multiple Horde_Editor instances) are required.
*
* This method must be invoked as:
* $var = &Horde_Editor::singleton()
*
* @param mixed $driver The type of concrete Horde_Editor subclass to
* return. If $driver is an array, then we will look
* in $driver[0]/lib/Editor/ for the subclass
* implementation named $driver[1].php.
* @param array $params A hash containing any additional configuration or
* connection parameters a subclass might need.
*
* @since Horde 2.2
*
* @return Horde_Editor The concrete Horde_Editor reference, or false on
* error.
*/
function &singleton($driver, $params = null)
{
static $instances;
if (!isset($instances)) {
$instances = array();
}
if (is_null($params) && class_exists('Horde')) {
$params = Horde::getDriverConfig('cache', $driver);
}
$signature = serialize(array($driver, $params));
if (!array_key_exists($signature, $instances)) {
$instances[$signature] = &Horde_Editor::factory($driver, $params);
}
return $instances[$signature];
}
}
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