1 /*
2 * Copyright (c) 2010, 2015, 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.behavior.BehaviorBase;
29 import com.sun.javafx.scene.control.behavior.ToggleButtonBehavior;
30 import com.sun.javafx.scene.control.skin.Utils;
31 import javafx.scene.Node;
32 import javafx.scene.control.Accordion;
33 import javafx.scene.control.Button;
34 import javafx.scene.control.Control;
35 import javafx.scene.control.RadioButton;
36 import javafx.scene.layout.StackPane;
37
38 /**
39 * Default skin implementation for the {@link RadioButton} control.
40 *
41 * @see RadioButton
42 * @since 9
43 */
44 public class RadioButtonSkin extends LabeledSkinBase<RadioButton> {
45
46 /***************************************************************************
47 * *
48 * Private fields *
49 * *
50 **************************************************************************/
51
52 /** The radio contains the "dot", which is usually a circle */
53 private StackPane radio;
54 private final BehaviorBase<RadioButton> behavior;
55
56
57
58 /***************************************************************************
59 * *
60 * Constructors *
61 * *
62 **************************************************************************/
63
64 /**
65 * Creates a new RadioButtonSkin instance, installing the necessary child
66 * nodes into the Control {@link Control#getChildren() children} list, as
67 * well as the necessary input mappings for handling key, mouse, etc events.
68 *
69 * @param control The control that this skin should be installed onto.
70 */
71 public RadioButtonSkin(RadioButton control) {
72 super(control);
73
74 // install default input map for the RadioButton control
75 behavior = new ToggleButtonBehavior<>(control);
76 // control.setInputMap(behavior.getInputMap());
77
78 radio = createRadio();
79 updateChildren();
80 }
81
82
83
84 /***************************************************************************
85 * *
86 * Public API *
87 * *
88 **************************************************************************/
89
90 /** {@inheritDoc} */
91 @Override public void dispose() {
92 super.dispose();
93
94 if (behavior != null) {
95 behavior.dispose();
96 }
97 }
98
99 /** {@inheritDoc} */
100 @Override protected void updateChildren() {
101 super.updateChildren();
102 if (radio != null) {
103 getChildren().add(radio);
104 }
105 }
106
107 /** {@inheritDoc} */
108 @Override protected double computeMinWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset) {
109 return super.computeMinWidth(height, topInset, rightInset, bottomInset, leftInset) + snapSize(radio.minWidth(-1));
110 }
111
112 /** {@inheritDoc} */
113 @Override protected double computeMinHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset) {
114 return Math.max(snapSize(super.computeMinHeight(width - radio.minWidth(-1), topInset, rightInset, bottomInset, leftInset)),
115 topInset + radio.minHeight(-1) + bottomInset);
116 }
117
118 /** {@inheritDoc} */
119 @Override protected double computePrefWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset) {
120 return super.computePrefWidth(height, topInset, rightInset, bottomInset, leftInset) + snapSize(radio.prefWidth(-1));
121 }
122
123 /** {@inheritDoc} */
124 @Override protected double computePrefHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset) {
125 return Math.max(snapSize(super.computePrefHeight(width - radio.prefWidth(-1), topInset, rightInset, bottomInset, leftInset)),
126 topInset + radio.prefHeight(-1) + bottomInset);
127 }
128
129 /** {@inheritDoc} */
130 @Override protected void layoutChildren(final double x, final double y,
131 final double w, final double h) {
132 final RadioButton radioButton = getSkinnable();
133 final double radioWidth = radio.prefWidth(-1);
134 final double radioHeight = radio.prefHeight(-1);
135 final double computeWidth = Math.max(radioButton.prefWidth(-1),radioButton.minWidth(-1));
136 final double labelWidth = Math.min(computeWidth - radioWidth, w - snapSize(radioWidth));
137 final double labelHeight = Math.min(radioButton.prefHeight(labelWidth), h);
138 final double maxHeight = Math.max(radioHeight, labelHeight);
139 final double xOffset = Utils.computeXOffset(w, labelWidth + radioWidth, radioButton.getAlignment().getHpos()) + x;
140 final double yOffset = Utils.computeYOffset(h, maxHeight, radioButton.getAlignment().getVpos()) + y;
141
142 layoutLabelInArea(xOffset + radioWidth, yOffset, labelWidth, maxHeight, radioButton.getAlignment());
143 radio.resize(snapSize(radioWidth), snapSize(radioHeight));
144 positionInArea(radio, xOffset, yOffset, radioWidth, maxHeight, 0, radioButton.getAlignment().getHpos(), radioButton.getAlignment().getVpos());
145 }
146
147
148
149 /***************************************************************************
150 * *
151 * Private implementation *
152 * *
153 **************************************************************************/
154
155 private static StackPane createRadio() {
156 StackPane radio = new StackPane();
157 radio.getStyleClass().setAll("radio");
158 radio.setSnapToPixel(false);
159 StackPane region = new StackPane();
160 region.getStyleClass().setAll("dot");
161 radio.getChildren().clear();
162 radio.getChildren().addAll(region);
163 return radio;
164 }
165 }