01: /* ***** BEGIN LICENSE BLOCK *****
02: * Version: MPL 1.1
03: * The contents of this file are subject to the Mozilla Public License Version
04: * 1.1 (the "License"); you may not use this file except in compliance with
05: * the License. You may obtain a copy of the License at
06: * http://www.mozilla.org/MPL/
07: *
08: * Software distributed under the License is distributed on an "AS IS" basis,
09: * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
10: * for the specific language governing rights and limitations under the
11: * License.
12: *
13: * The Original Code is Riot.
14: *
15: * The Initial Developer of the Original Code is
16: * Neteye GmbH.
17: * Portions created by the Initial Developer are Copyright (C) 2006
18: * the Initial Developer. All Rights Reserved.
19: *
20: * Contributor(s):
21: * Felix Gnass [fgnass at neteye dot de]
22: *
23: * ***** END LICENSE BLOCK ***** */
24: package org.riotfamily.riot.hibernate.dao;
25:
26: import java.util.Collection;
27: import java.util.List;
28:
29: import org.riotfamily.common.beans.PropertyUtils;
30: import org.riotfamily.riot.dao.ListParams;
31: import org.riotfamily.riot.dao.SwappableItemDao;
32:
33: public class HqlSortedCollectionDao extends HqlCollectionDao implements
34: SwappableItemDao {
35:
36: private String positionProperty;
37:
38: public void setPositionProperty(String positionProperty) {
39: this .positionProperty = positionProperty;
40: }
41:
42: public void swapEntity(Object entity, Object parent,
43: ListParams params, int swapWith) {
44:
45: List items = listInternal(parent, params);
46: Object nextItem = items.get(swapWith);
47:
48: Collection c = getCollection(parent);
49: c.remove(entity);
50: c.remove(nextItem);
51:
52: Object pos1 = PropertyUtils.getProperty(entity,
53: positionProperty);
54: Object pos2 = PropertyUtils.getProperty(nextItem,
55: positionProperty);
56:
57: PropertyUtils.setProperty(entity, positionProperty, pos2);
58: PropertyUtils.setProperty(nextItem, positionProperty, pos1);
59:
60: c.add(entity);
61: c.add(nextItem);
62:
63: getSession().update(entity);
64: getSession().update(nextItem);
65: }
66:
67: }
|