FieldsetDisplayRegistry.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.
*
*/
require_once(KT_LIB_DIR . '/metadata/fieldset.inc.php');
require_once(KT_LIB_DIR . '/metadata/metadatautil.inc.php');
class KTFieldsetDisplayRegistry {
var $fieldset_types = array();
// {{{ getSingleton
function &getSingleton () {
if (!KTUtil::arrayGet($GLOBALS, 'oKTFieldsetDisplayRegistry')) {
$GLOBALS['oKTFieldsetDisplayRegistry'] = new KTFieldsetDisplayRegistry;
}
return $GLOBALS['oKTFieldsetDisplayRegistry'];
}
// }}}
// FIXME include a reg-class, so that lower items can ensure they require_once.
// pass in:
// nsname (e.g. ktcore/subscription)
// classname (e.g. KTSimpleFieldset)
function registerFieldsetDisplay($nsname, $className) {
$this->fieldset_types[$nsname] = $className;
}
function getHandler($nsname) {
if (!array_key_exists($nsname, $this->fieldset_types)) {
// unfortunately, we need to do a bit more spelunking here.
// if its conditional, we use a different item. ns is unsufficient.
//
// FIXME this is slightly wasteful from a performance POV, though DB caching should make it OK.
$oFieldset =& KTFieldset::getByNamespace ($nsname);
if ($oFieldset->getIsConditional() && KTMetadataUtil::validateCompleteness($oFieldset)) {
return 'ConditionalFieldsetDisplay';
} else {
return 'SimpleFieldsetDisplay';
}
} else {
return $this->fieldset_types[$nsname];
}
}
}
?>