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