1 /*
2 * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package javafx.scene.control.skin;
27
28 import com.sun.javafx.scene.control.ContextMenuContent;
29 import javafx.scene.Node;
30 import javafx.scene.control.Control;
31 import javafx.scene.control.MenuButton;
32
33 import com.sun.javafx.scene.control.behavior.MenuButtonBehavior;
34
35 /**
36 * Default skin implementation for the {@link MenuButton} control.
37 *
38 * @see MenuButton
39 * @since 9
40 */
41 public class MenuButtonSkin extends MenuButtonSkinBase<MenuButton> {
42
43 /***************************************************************************
44 * *
45 * Static fields *
46 * *
47 **************************************************************************/
48
49 static final String AUTOHIDE = "autoHide";
50
51
52
53 /***************************************************************************
54 * *
55 * Private fields *
56 * *
57 **************************************************************************/
58
59 private final MenuButtonBehavior behavior;
60
61
62
63 /***************************************************************************
64 * *
65 * Constructors *
66 * *
67 **************************************************************************/
68
69 /**
70 * Creates a new MenuButtonSkin instance, installing the necessary child
71 * nodes into the Control {@link Control#getChildren() children} list, as
72 * well as the necessary input mappings for handling key, mouse, etc events.
73 *
74 * @param control The control that this skin should be installed onto.
75 */
76 public MenuButtonSkin(final MenuButton control) {
77 super(control);
78
79 // install default input map for the MenuButton-like controls
80 this.behavior = new MenuButtonBehavior(control);
81 // control.setInputMap(behavior.getInputMap());
82
83 // MenuButton's showing does not get updated when autoHide happens,
84 // as that hide happens under the covers. So we add to the menuButton's
85 // properties map to which the MenuButton can react and update accordingly..
86 popup.setOnAutoHide(e -> {
87 MenuButton menuButton = getSkinnable();
88 // work around for the fact autohide happens twice
89 // remove this check when that is fixed.
90 if (!menuButton.getProperties().containsKey(AUTOHIDE)) {
91 menuButton.getProperties().put(AUTOHIDE, Boolean.TRUE);
92 }
93 });
94
95 // request focus on content when the popup is shown
96 popup.setOnShown(event -> {
97 ContextMenuContent cmContent = (ContextMenuContent)popup.getSkin().getNode();
98 if (cmContent != null) cmContent.requestFocus();
99 });
100
101 if (control.getOnAction() == null) {
102 control.setOnAction(e -> control.show());
103 }
104
105 label.setLabelFor(control);
106 }
107
108
109
110 /***************************************************************************
111 * *
112 * Public API *
113 * *
114 **************************************************************************/
115
116 /** {@inheritDoc} */
117 @Override public void dispose() {
118 super.dispose();
119
120 if (behavior != null) {
121 behavior.dispose();
122 }
123 }
124
125
126
127 /***************************************************************************
128 * *
129 * Private implementation *
130 * *
131 **************************************************************************/
132
133 @Override MenuButtonBehavior getBehavior() {
134 return behavior;
135 }
136 }