pluginregistry.inc.php
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<?php
/**
* $Id$
*
* Copyright (c) 2006 Jam Warehouse http://www.jamwarehouse.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; using version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* -------------------------------------------------------------------------
*
* You can contact the copyright owner regarding licensing via the contact
* details that can be found on the KnowledgeTree web site:
*
* http://www.ktdms.com/
*/
class KTPluginRegistry {
var $_aPluginDetails = array();
var $_aPlugins = array();
function &getSingleton() {
if (!KTUtil::arrayGet($GLOBALS, 'oKTPluginRegistry')) {
$GLOBALS['oKTPluginRegistry'] = new KTPluginRegistry;
}
return $GLOBALS['oKTPluginRegistry'];
}
function registerPlugin($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;
}
}