110 lines
4.0 KiB
PHP
110 lines
4.0 KiB
PHP
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<?php
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/**
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* $Id$
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*
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* KnowledgeTree Community Edition
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* Document Management Made Simple
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* Copyright (C) 2008, 2009 KnowledgeTree Inc.
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*
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License version 3 as published by the
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* Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
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* California 94120-7775, or email info@knowledgetree.com.
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*
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* The interactive user interfaces in modified source and object code versions
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* of this program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU General Public License version 3.
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*
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* In accordance with Section 7(b) of the GNU General Public License version 3,
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* these Appropriate Legal Notices must retain the display of the "Powered by
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* KnowledgeTree" logo and retain the original copyright notice. If the display of the
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* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
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* must display the words "Powered by KnowledgeTree" and retain the original
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* copyright notice.
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* Contributor( s): ______________________________________
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*
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*/
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require_once( KT_LIB_DIR . '/plugins/plugin.inc.php');
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class KTPluginRegistry {
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var $_aPluginDetails = array();
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var $_aPlugins = array();
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static function &getSingleton() {
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if (!KTUtil::arrayGet($GLOBALS['_KT_PLUGIN'], 'oKTPluginRegistry')) {
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$GLOBALS['_KT_PLUGIN']['oKTPluginRegistry'] = new KTPluginRegistry;
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}
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return $GLOBALS['_KT_PLUGIN']['oKTPluginRegistry'];
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}
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/**
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* Register the plugin in the database
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*
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* @param unknown_type $sClassName
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* @param unknown_type $sNamespace
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* @param unknown_type $sFilename
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*/
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function registerPlugin($sClassName, $sNamespace, $sFilename = null) {
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$sFilename = (!empty($sFilename)) ? KTPlugin::_fixFilename($sFilename) : '';
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$this->_aPluginDetails[$sNamespace] = array($sClassName, $sNamespace, $sFilename);
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/*
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Check whether the system is registering or not. If true, register the plugin in plugin_helper.
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If false, skip.
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This check has been put in place to prevent the plugin being registered on every page load.
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*/
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if(isset($_SESSION['plugins_registerplugins']) && $_SESSION['plugins_registerplugins']){
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$object = $sClassName.'|'.$sNamespace.'|'.$sFilename;
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KTPlugin::registerPluginHelper($sNamespace, $sClassName, $sFilename, $object, 'general', 'plugin');
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}
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}
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function &getPlugin($sNamespace) {
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if (array_key_exists($sNamespace, $this->_aPlugins)) {
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return $this->_aPlugins[$sNamespace];
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}
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$aDetails = KTUtil::arrayGet($this->_aPluginDetails, $sNamespace);
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if (empty($aDetails)) {
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return null;
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}
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$sFilename = (KTUtil::isAbsolutePath($aDetails[2])) ? $aDetails[2] : KT_DIR.'/'.$aDetails[2];
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if (!empty($sFilename)) {
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require_once($sFilename);
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}
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$sClassName = $aDetails[0];
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$oPlugin = new $sClassName($sFilename);
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$this->_aPlugins[$sNamespace] =& $oPlugin;
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return $oPlugin;
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}
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function &getPlugins() {
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$aRet = array();
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foreach (array_keys($this->_aPluginDetails) as $sPluginName) {
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$oPlugin =& $this->getPlugin($sPluginName);
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$aRet[(int)$oPlugin->iOrder][] =& $oPlugin;
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}
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ksort($aRet);
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$aRes = array();
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foreach($aRet as $iOrder => $aPlugins) {
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foreach(array_keys($aPlugins) as $iPlugin) {
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$aRes[] =& $aRet[$iOrder][$iPlugin];
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}
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}
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return $aRes;
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}
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}
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