FieldsetDisplayRegistry.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/
*/
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];
}
}
}
?>