Sindbad~EG File Manager

<?php
/*
 * Gallery - a web based photo album viewer and editor
 * Copyright (C) 2000-2007 Bharat Mediratta
 *
 * 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; either version 2 of the License, or (at
 * your option) any later version.
 *
 * 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., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
 */

GalleryCoreApi::requireOnce(
    'modules/core/classes/helpers/GalleryFactoryHelper_simple.class');

/**
 * A factory for creating all different kinds of objects
 * @package GalleryCore
 * @subpackage Helpers
 * @author Bharat Mediratta <bharat@menalto.com>
 * @version $Revision: 15513 $
 * @static
 */
class GalleryFactoryHelper_medium {

    /**
     * @see GalleryCoreApi::getAllFactoryImplementationIdsWithHint
     */
    function getAllImplementationIdsWithHint($classType, $hint) {
	list ($ret, $registry) = GalleryFactoryHelper_simple::_getFactoryData();
	if ($ret) {
	    return array($ret, null);
	}

	$hint = GalleryUtilities::strToLower($hint);
	if (isset($registry['hints'][$classType][$hint])) {
	    $result = $registry['hints'][$classType][$hint];
	} else {
	    $result = array();
	}
	return array(null, $result);
    }

    /**
     * @see GalleryCoreApi::unregisterFactoryImplementationsByModuleId
     */
    function unregisterImplementationsByModuleId($moduleId) {
	$ret = GalleryCoreApi::removeMapEntry(
	    'GalleryFactoryMap', array('implModuleId' => $moduleId));
	if ($ret) {
	    return $ret;
	}

	GalleryFactoryHelper_simple::deleteCache();

	return null;
    }

    /**
     * @see GalleryCoreApi::unregisterFactoryImplementation
     */
    function unregisterImplementation($classType, $implId) {
	$ret = GalleryCoreApi::removeMapEntry(
	    'GalleryFactoryMap',
	    array('classType' => $classType, 'implId' => $implId));
	if ($ret) {
	    return $ret;
	}

	GalleryFactoryHelper_simple::deleteCache();

	return null;
    }

    /**
     * @see GalleryCoreApi::registerFactoryImplementation
     */
    function registerImplementation($classType, $className, $implId, $implPath,
				    $implModuleId, $hints, $orderWeight) {
	global $gallery;
	$platform =& $gallery->getPlatform();

	$baseDir = GalleryCoreApi::getPluginBaseDir('module', $implModuleId);
	if (!$platform->file_exists($baseDir . $implPath)) {
	    return GalleryCoreApi::error(ERROR_BAD_PATH, __FILE__, __LINE__,
					"Bad implementation path: $baseDir$implPath");
	}

	if (empty($hints)) {
	    $hints = null;
	} else {
	    /* Lowercase hints for easier lookups */
	    foreach ($hints as $i => $hint) {
		$hints[$i] = GalleryUtilities::strToLower($hint);
	    }
	}

	$ret = GalleryCoreApi::addMapEntry(
	    'GalleryFactoryMap',
	    array('classType' => $classType,
		  'className' => $className,
		  'implId' => $implId,
		  'implPath' => $implPath,
		  'implModuleId' => $implModuleId,
		  'orderWeight' => (string)$orderWeight,
		  'hints' => serialize($hints)));
	if ($ret) {
	    return $ret;
	}

	GalleryFactoryHelper_simple::deleteCache();

	return null;
    }
}
?>