1 /**
2 * This file Copyright (c) 2018 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.field;
35
36 import com.vaadin.shared.Registration;
37 import com.vaadin.ui.CheckBox;
38 import com.vaadin.ui.Component;
39 import com.vaadin.ui.CustomField;
40
41 /**
42 * A field wrapper for a single CheckBox, supporting the FormLayout-managed (left) caption.
43 */
44 public class CheckBoxField extends CustomField<Boolean> {
45
46 private final CheckBox checkBox;
47
48 public CheckBoxField(String checkBoxCaption) {
49 this.checkBox = new CheckBox(checkBoxCaption);
50 }
51
52 @Override
53 protected Component initContent() {
54 return checkBox;
55 }
56
57 @Override
58 protected void doSetValue(Boolean value) {
59 if (value == null) {
60 value = false;
61 }
62 checkBox.setValue(value);
63 }
64
65 @Override
66 public Boolean getValue() {
67 return checkBox.getValue();
68 }
69
70 @Override
71 public Registration addValueChangeListener(ValueChangeListener<Boolean> listener) {
72 return checkBox.addValueChangeListener(listener);
73 }
74 }