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 com.sun.javafx.scene.control.skin;
27
28 import javafx.scene.Scene;
29 import javafx.scene.control.Button;
30 import javafx.scene.control.ContextMenu;
31 import javafx.scene.input.KeyCode;
32 import javafx.scene.input.KeyCodeCombination;
33
34 import com.sun.javafx.scene.control.behavior.ButtonBehavior;
35
36
37
38 /**
39 * A Skin for command Buttons.
40 */
41 public class ButtonSkin extends LabeledSkinBase<Button, ButtonBehavior<Button>> {
42
43 public ButtonSkin(Button button) {
44 super(button, new ButtonBehavior<Button>(button));
45
46 // Register listeners
47 registerChangeListener(button.defaultButtonProperty(), "DEFAULT_BUTTON");
48 registerChangeListener(button.cancelButtonProperty(), "CANCEL_BUTTON");
49 registerChangeListener(button.focusedProperty(), "FOCUSED");
50
51 if (getSkinnable().isDefaultButton()) {
52 /*
53 ** were we already the defaultButton, before the listener was added?
54 ** don't laugh, it can happen....
55 */
56 setDefaultButton(true);
57 }
58
59 if (getSkinnable().isCancelButton()) {
60 /*
61 ** were we already the defaultButton, before the listener was added?
62 ** don't laugh, it can happen....
63 */
64 setCancelButton(true);
65 }
66
67 }
68
69
70 @Override protected void handleControlPropertyChanged(String p) {
71 super.handleControlPropertyChanged(p);
72 if ("DEFAULT_BUTTON".equals(p)) {
73 setDefaultButton(getSkinnable().isDefaultButton());
74 }
75 else if ("CANCEL_BUTTON".equals(p)) {
76 setCancelButton(getSkinnable().isCancelButton());
77 }
78 else if ("FOCUSED".equals(p)) {
79 if (!getSkinnable().isFocused()) {
80 ContextMenu cm = getSkinnable().getContextMenu();
81 if (cm != null) {
82 if (cm.isShowing()) {
83 cm.hide();
84 Utils.removeMnemonics(cm, getSkinnable().getScene());
85 }
86 }
87 }
88 } else if ("PARENT".equals(p)) {
89 if (getSkinnable().getParent() == null && getSkinnable().getScene() != null) {
90 if (getSkinnable().isDefaultButton()) {
91 getSkinnable().getScene().getAccelerators().remove(defaultAcceleratorKeyCodeCombination);
92 }
93 if (getSkinnable().isCancelButton()) {
94 getSkinnable().getScene().getAccelerators().remove(cancelAcceleratorKeyCodeCombination);
95 }
96 }
97 }
98 }
99
100 Runnable defaultButtonRunnable = () -> {
101 if (getSkinnable().getScene() != null && getSkinnable().impl_isTreeVisible() && !getSkinnable().isDisabled()) {
102 getSkinnable().fire();
103 }
104 };
105
106 Runnable cancelButtonRunnable = () -> {
107 if (getSkinnable().getScene() != null && getSkinnable().impl_isTreeVisible() && !getSkinnable().isDisabled()) {
108 getSkinnable().fire();
109 }
110 };
111
112 private KeyCodeCombination defaultAcceleratorKeyCodeCombination;
113
114 private void setDefaultButton(boolean value) {
115 Scene scene = getSkinnable().getScene();
116 if (scene != null) {
117 KeyCode acceleratorCode = KeyCode.ENTER;
118 defaultAcceleratorKeyCodeCombination = new KeyCodeCombination(acceleratorCode);
119
120 Runnable oldDefault = scene.getAccelerators().get(defaultAcceleratorKeyCodeCombination);
121 if (!value) {
122 /**
123 * first check of there's a default button already
124 */
125 if (defaultButtonRunnable.equals(oldDefault)) {
126 /**
127 * is it us?
128 */
129 scene.getAccelerators().remove(defaultAcceleratorKeyCodeCombination);
130 }
131 }
132 else {
133 if (!defaultButtonRunnable.equals(oldDefault)) {
134 scene.getAccelerators().remove(defaultAcceleratorKeyCodeCombination);
135 scene.getAccelerators().put(defaultAcceleratorKeyCodeCombination, defaultButtonRunnable);
136 }
137 }
138 }
139 }
140
141 private KeyCodeCombination cancelAcceleratorKeyCodeCombination;
142
143 private void setCancelButton(boolean value) {
144 Scene scene = getSkinnable().getScene();
145 if (scene != null) {
146 KeyCode acceleratorCode = KeyCode.ESCAPE;
147 cancelAcceleratorKeyCodeCombination = new KeyCodeCombination(acceleratorCode);
148
149 Runnable oldCancel = scene.getAccelerators().get(cancelAcceleratorKeyCodeCombination);
150 if (!value) {
151 /**
152 * first check of there's a cancel button already
153 */
154 if (cancelButtonRunnable.equals(oldCancel)) {
155 /**
156 * is it us?
157 */
158 scene.getAccelerators().remove(cancelAcceleratorKeyCodeCombination);
159 }
160 }
161 else {
162 if (!cancelButtonRunnable.equals(oldCancel)) {
163 scene.getAccelerators().remove(cancelAcceleratorKeyCodeCombination);
164 scene.getAccelerators().put(cancelAcceleratorKeyCodeCombination, cancelButtonRunnable);
165 }
166 }
167 }
168 }
169 }