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.sample.app.main.chooser;
35
36 import info.magnolia.ui.chooser.Chooser;
37 import info.magnolia.ui.chooser.definition.ChooserDefinition;
38
39 import java.util.ArrayList;
40 import java.util.List;
41 import java.util.function.Consumer;
42
43 import com.vaadin.ui.CheckBox;
44 import com.vaadin.ui.Component;
45 import com.vaadin.ui.VerticalLayout;
46
47 /**
48 * Bird is the word.
49 */
50 public class BirdAttributeChooser implements Chooser<String> {
51
52 private final List<CheckBox> items;
53 private final ChooserDefinition<String, BirdAttributeChooser> definition;
54
55 public BirdAttributeChooser(ChooserDefinition<String, BirdAttributeChooser> definition) {
56 this.definition = definition;
57
58 this.items = new ArrayList<>();
59 this.items.add(new CheckBox("stupid"));
60 this.items.add(new CheckBox("blue"));
61 this.items.add(new CheckBox("little"));
62 this.items.add(new CheckBox("old"));
63 }
64
65 @Override
66 public Component asVaadinComponent() {
67 return new VerticalLayout(items.toArray(new CheckBox[]{}));
68 }
69
70 @Override
71 public void onChange(Consumer<String> callback) {
72 items.forEach(i -> i.addValueChangeListener(e -> callback.accept(this.getChoice())));
73 }
74
75 @Override
76 public String getChoice() {
77 StringBuilder result = new StringBuilder("A ");
78 this.items.stream()
79 .filter(CheckBox::getValue)
80 .forEach(checkBox -> result.append(checkBox.getCaption() + " "));
81 result.append("bird");
82 return result.toString();
83 }
84
85 @Override
86 public void setChoice(String choice) {
87 // "we don't do this here"
88 }
89 }