pluginregistry.inc.php
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<?php
/**
* $Id$
*
* The contents of this file are subject to the KnowledgeTree Public
* License Version 1.1 ("License"); You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.ktdms.com/KPL
*
* Software distributed under the License is distributed on an "AS IS"
* basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is: KnowledgeTree Open Source
*
* The Initial Developer of the Original Code is The Jam Warehouse Software
* (Pty) Ltd, trading as KnowledgeTree.
* Portions created by The Jam Warehouse Software (Pty) Ltd are Copyright
* (C) 2006 The Jam Warehouse Software (Pty) Ltd;
* All Rights Reserved.
*
*/
class KTPluginRegistry {
var $_aPluginDetails = array();
var $_aPlugins = array();
function &getSingleton() {
if (!KTUtil::arrayGet($GLOBALS['_KT_PLUGIN'], 'oKTPluginRegistry')) {
$GLOBALS['_KT_PLUGIN']['oKTPluginRegistry'] = new KTPluginRegistry;
}
return $GLOBALS['_KT_PLUGIN']['oKTPluginRegistry'];
}
function registerPlugin($sClassName, $sNamespace, $sFilename = null) {
$this->_aPluginDetails[$sNamespace] = array($sClassName, $sNamespace, $sFilename);
}
function &getPlugin($sNamespace) {
if (array_key_exists($sNamespace, $this->_aPlugins)) {
return $this->_aPlugins[$sNamespace];
}
$aDetails = KTUtil::arrayGet($this->_aPluginDetails, $sNamespace);
if (empty($aDetails)) {
return null;
}
$sFilename = $aDetails[2];
if (!empty($sFilename)) {
require_once($sFilename);
}
$sClassName = $aDetails[0];
$oPlugin =& new $sClassName($sFilename);
$this->_aPlugins[$sNamespace] =& $oPlugin;
return $oPlugin;
}
function &getPlugins() {
$aRet = array();
foreach (array_keys($this->_aPluginDetails) as $sPluginName) {
$aRet[] =& $this->getPlugin($sPluginName);
}
return $aRet;
}
}