criteriaregistry.php
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<?php
/*
* KnowledgeTree Open Source Edition
* Document Management Made Simple
* Copyright (C) 2004 - 2008 The Jam Warehouse Software (Pty) Limited
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 3 as published by the
* Free Software Foundation.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* You can contact The Jam Warehouse Software (Pty) Limited, Unit 1, Tramber Place,
* Blake Street, Observatory, 7925 South Africa. or email info@knowledgetree.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* KnowledgeTree" logo and retain the original copyright notice. If the display of the
* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
* must display the words "Powered by KnowledgeTree" and retain the original
* copyright notice.
* Contributor( s): ______________________________________
*
*/
class KTCriteriaRegistry {
var $_aCriteria = array();
var $_aCriteriaDetails = array();
var $_bGenericRegistered = false;
static function &getSingleton () {
if (!KTUtil::arrayGet($GLOBALS['_KT_CRITERIA'], 'oKTCriteriaRegistry')) {
$GLOBALS['_KT_CRITERIA']['oKTCriteriaRegistry'] = new KTCriteriaRegistry;
}
return $GLOBALS['_KT_CRITERIA']['oKTCriteriaRegistry'];
}
function _buildGenericCriteria() {
$aFields =& DocumentField::getList();
foreach($aFields as $oField) {
$sNamespace = $oField->getNamespace();
$oFieldset =& KTFieldset::get($oField->getParentFieldset());
if ($oFieldset->getName() == 'Tag Cloud')
{
continue;
}
//if(is_null($oFieldset->userinfo)){continue;}
$aInitialize = array(sprintf("%s: %s", $oFieldset->getName(), $oField->getName()), 'id', 'id', $oField->getId(), $sNamespace);
$this->registerCriterion('GenericMetadataCriterion', $sNamespace, null, $aInitialize);
}
$this->_bGenericRegistered = true;
}
function registerCriterion($sClassName, $sNamespace = null, $sFilename = null, $aInitialize = null) {
$this->_aCriteriaDetails[$sNamespace] = array($sClassName, $sNamespace, $sFilename, $aInitialize);
}
function &getCriterion($sNamespace) {
if(!$this->_bGenericRegistered) {
$this->_buildGenericCriteria();
}
if (array_key_exists($sNamespace, $this->_aCriteria)) {
return $this->_aCriteria[$sNamespace];
}
$aDetails = KTUtil::arrayGet($this->_aCriteriaDetails, $sNamespace);
if (empty($aDetails)) {
return null;
}
$sFilename = $aDetails[2];
if (!empty($sFilename)) {
require_once($sFilename);
}
$sClassName = $aDetails[0];
$oCriterion =new $sClassName();
if(is_array($aDetails[3])) {
call_user_func_array(array(&$oCriterion, 'initialize'), $aDetails[3]);
}
$this->_aCriteria[$sNamespace] =& $oCriterion;
return $oCriterion;
}
function &getCriteria() {
if(!$this->_bGenericRegistered) {
$this->_buildGenericCriteria();
}
$aRet = array();
foreach (array_keys($this->_aCriteriaDetails) as $sCriteriaName) {
$aRet[$sCriteriaName] =& $this->getCriterion($sCriteriaName);
}
return $aRet;
}
}