1 /**
2 * This file Copyright (c) 2013-2014 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.ui.form.field.transformer.composite;
35
36 import info.magnolia.ui.form.field.definition.ConfiguredFieldDefinition;
37
38 import java.util.List;
39
40 import org.apache.commons.lang3.StringUtils;
41
42 import com.vaadin.data.Item;
43 import com.vaadin.data.util.PropertysetItem;
44
45 /**
46 * Default switchable field {@link info.magnolia.ui.form.field.transformer.Transformer} implementation storing and retrieving SwitchableField informations as {@link PropertysetItem}.<br>
47 * Storing strategy: <br>
48 * - property (definition.getName()) : contain the last selected field name <br>
49 * - property (propertyPrefix + first field name): contain the value of the first field <br>
50 * - property (propertyPrefix + second field name): contain the value of the second field <br>
51 * ...<br>
52 */
53 public class SwitchableTransformer extends CompositeTransformer {
54
55 public SwitchableTransformer(Item relatedFormItem, ConfiguredFieldDefinition definition, Class<PropertysetItem> type, List<String> fieldsName) {
56 super(relatedFormItem, definition, type, fieldsName);
57 }
58
59 @Override
60 public void writeToItem(PropertysetItem newValues) {
61 super.writeToItem(newValues);
62 }
63
64 @Override
65 public PropertysetItem readFromItem() {
66 return super.readFromItem();
67 }
68
69 @Override
70 protected String getCompositePropertyName(String propertyName) {
71 if (StringUtils.equals(propertyName, propertyPrefix)) {
72 propertyName = StringUtils.EMPTY;
73 }
74 return super.getCompositePropertyName(propertyName);
75 }
76 }