1 /*
2 * Copyright (c) 2011, 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.apple.laf;
27
28 import java.awt.*;
29
30 import javax.swing.*;
31 import javax.swing.plaf.UIResource;
32
33 import apple.laf.JRSUIState;
34 import apple.laf.JRSUIConstants.*;
35
36 @SuppressWarnings("serial") // Superclass is not serializable across versions
37 class AquaComboBoxButton extends JButton {
38 final protected JComboBox<Object> comboBox;
39 final protected JList<?> list;
40 final protected CellRendererPane rendererPane;
41 final protected AquaComboBoxUI ui;
42
43 protected final AquaPainter<JRSUIState> painter = AquaPainter.create(JRSUIState.getInstance());
44 boolean isPopDown;
45 boolean isSquare;
46
47 @SuppressWarnings("serial") // anonymous class
48 protected AquaComboBoxButton(final AquaComboBoxUI ui,
49 final JComboBox<Object> comboBox,
50 final CellRendererPane rendererPane,
51 final JList<?> list) {
52 super("");
53 putClientProperty("JButton.buttonType", "comboboxInternal");
54
55 this.ui = ui;
56 this.comboBox = comboBox;
57 this.rendererPane = rendererPane;
58 this.list = list;
59
60 setModel(new DefaultButtonModel() {
61 public void setArmed(final boolean armed) {
62 super.setArmed(isPressed() ? true : armed);
63 }
64 });
65
66 setEnabled(comboBox.isEnabled());
67 }
68
69 public boolean isEnabled() {
70 return comboBox == null ? true : comboBox.isEnabled();
71 }
72
73 public boolean isFocusTraversable() {
74 return false;
75 }
76
77 protected void setIsPopDown(final boolean isPopDown) {
78 this.isPopDown = isPopDown;
79 repaint();
80 }
81
82 protected void setIsSquare(final boolean isSquare) {
83 this.isSquare = isSquare;
84 repaint();
85 }
86
87 protected State getState(final ButtonModel buttonModel) {
88 if (!comboBox.isEnabled()) return State.DISABLED;
89 if (!AquaFocusHandler.isActive(comboBox)) return State.INACTIVE;
90 if (buttonModel.isArmed()) return State.PRESSED;
91 return State.ACTIVE;
92 }
93
94 public void paintComponent(final Graphics g) {
95 // Don't Paint the button as usual
96 // super.paintComponent( g );
97 final boolean editable = comboBox.isEditable();
98
99 int top = 0;
100 int left = 0;
101 int width = getWidth();
102 int height = getHeight();
103
104 if (comboBox.isOpaque()) {
105 g.setColor(getBackground());
106 g.fillRect(0, 0, width, height);
107 }
108
109 final Size size = AquaUtilControlSize.getUserSizeFrom(comboBox);
110 painter.state.set(size == null ? Size.REGULAR : size);
111
112 final ButtonModel buttonModel = getModel();
113 painter.state.set(getState(buttonModel));
114
115 painter.state.set(AlignmentVertical.CENTER);
116
117 if (AquaComboBoxUI.isTableCellEditor(comboBox)) {
118 painter.state.set(AlignmentHorizontal.RIGHT);
119 painter.state.set(Widget.BUTTON_POP_UP);
120 painter.state.set(ArrowsOnly.YES);
121 painter.paint(g, this, left, top, width, height);
122 doRendererPaint(g, buttonModel, editable, getInsets(), left, top, width, height);
123 return;
124 }
125
126 painter.state.set(AlignmentHorizontal.CENTER);
127 final Insets insets = getInsets();
128 if (!editable) {
129 top += insets.top;
130 left += insets.left;
131 width -= insets.left + insets.right;
132 height -= insets.top + insets.bottom;
133 }
134
135 if (height <= 0 || width <= 0) {
136 return;
137 }
138
139 boolean hasFocus = comboBox.hasFocus();
140 if (editable) {
141 painter.state.set(Widget.BUTTON_COMBO_BOX);
142 painter.state.set(IndicatorOnly.YES);
143 painter.state.set(AlignmentHorizontal.LEFT);
144 hasFocus |= comboBox.getEditor().getEditorComponent().hasFocus();
145 } else {
146 painter.state.set(IndicatorOnly.NO);
147 painter.state.set(AlignmentHorizontal.CENTER);
148 if (isPopDown) {
149 painter.state.set(isSquare ? Widget.BUTTON_POP_DOWN_SQUARE : Widget.BUTTON_POP_DOWN);
150 } else {
151 painter.state.set(isSquare ? Widget.BUTTON_POP_UP_SQUARE : Widget.BUTTON_POP_UP);
152 }
153 }
154 painter.state.set(hasFocus ? Focused.YES : Focused.NO);
155
156 if (isSquare) {
157 painter.paint(g, comboBox, left + 2, top - 1, width - 4, height);
158 } else {
159 painter.paint(g, comboBox, left, top, width, height);
160 }
161
162 // Let the renderer paint
163 if (!editable && comboBox != null) {
164 doRendererPaint(g, buttonModel, editable, insets, left, top, width, height);
165 }
166 }
167
168 protected void doRendererPaint(final Graphics g, final ButtonModel buttonModel, final boolean editable, final Insets insets, int left, int top, int width, int height) {
169 final ListCellRenderer<Object> renderer = comboBox.getRenderer();
170
171 // fake it out! not renderPressed
172 final Component c = renderer.getListCellRendererComponent(list, comboBox.getSelectedItem(), -1, false, false);
173 // System.err.println("Renderer: " + renderer);
174
175 if (!editable && !AquaComboBoxUI.isTableCellEditor(comboBox)) {
176 final int indentLeft = 10;
177 final int buttonWidth = 24;
178
179 // hardcoded for now. We should adjust as necessary.
180 top += 1;
181 height -= 4;
182 left += indentLeft;
183 width -= (indentLeft + buttonWidth);
184 }
185
186 c.setFont(rendererPane.getFont());
187
188 if (buttonModel.isArmed() && buttonModel.isPressed()) {
189 if (isOpaque()) {
190 c.setBackground(UIManager.getColor("Button.select"));
191 }
192 c.setForeground(comboBox.getForeground());
193 } else if (!comboBox.isEnabled()) {
194 if (isOpaque()) {
195 c.setBackground(UIManager.getColor("ComboBox.disabledBackground"));
196 }
197 c.setForeground(UIManager.getColor("ComboBox.disabledForeground"));
198 } else {
199 c.setForeground(comboBox.getForeground());
200 c.setBackground(comboBox.getBackground());
201 }
202
203 // Sun Fix for 4238829: should lay out the JPanel.
204 boolean shouldValidate = false;
205 if (c instanceof JPanel) {
206 shouldValidate = true;
207 }
208
209 final int iconWidth = 0;
210 final int cWidth = width - (insets.right + iconWidth);
211
212 // fix for 3156483 we need to crop images that are too big.
213 // if (height > 18)
214 // always crop.
215 {
216 top = height / 2 - 8;
217 height = 19;
218 }
219
220 // It doesn't need to draw its background, we handled it
221 final Color bg = c.getBackground();
222 final boolean inhibitBackground = bg instanceof UIResource;
223 if (inhibitBackground) c.setBackground(new Color(0, 0, 0, 0));
224
225 rendererPane.paintComponent(g, c, this, left, top, cWidth, height, shouldValidate); // h - (insets.top + insets.bottom) );
226
227 if (inhibitBackground) c.setBackground(bg);
228 }
229 }