1 /*
2 * Copyright (c) 2002, 2013, 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 javax.swing.plaf.synth;
27
28 import java.awt.*;
29 import java.beans.PropertyChangeEvent;
30 import javax.swing.*;
31 import javax.swing.plaf.*;
32 import javax.swing.plaf.basic.BasicRootPaneUI;
33
34 /**
35 * Provides the Synth L&F UI delegate for
36 * {@link javax.swing.JRootPane}.
37 *
38 * @author Scott Violet
39 * @since 1.7
40 */
41 public class SynthRootPaneUI extends BasicRootPaneUI implements SynthUI {
42 private SynthStyle style;
43
44 /**
45 * Creates a new UI object for the given component.
46 *
47 * @param c component to create UI object for
48 * @return the UI object
49 */
50 public static ComponentUI createUI(JComponent c) {
51 return new SynthRootPaneUI();
52 }
53
54 /**
55 * {@inheritDoc}
56 */
57 @Override
58 protected void installDefaults(JRootPane c){
59 updateStyle(c);
60 }
61
62 /**
63 * {@inheritDoc}
64 */
65 @Override
66 protected void uninstallDefaults(JRootPane root) {
67 SynthContext context = getContext(root, ENABLED);
68
69 style.uninstallDefaults(context);
70 context.dispose();
71 style = null;
72 }
73
74 /**
75 * {@inheritDoc}
76 */
77 @Override
78 public SynthContext getContext(JComponent c) {
79 return getContext(c, getComponentState(c));
80 }
81
82 private SynthContext getContext(JComponent c, int state) {
83 return SynthContext.getContext(c, style, state);
84 }
85
86 private int getComponentState(JComponent c) {
87 return SynthLookAndFeel.getComponentState(c);
88 }
89
90 private void updateStyle(JComponent c) {
91 SynthContext context = getContext(c, ENABLED);
92 SynthStyle oldStyle = style;
93 style = SynthLookAndFeel.updateStyle(context, this);
94 if (style != oldStyle) {
95 if (oldStyle != null) {
96 uninstallKeyboardActions((JRootPane)c);
97 installKeyboardActions((JRootPane)c);
98 }
99 }
100 context.dispose();
101 }
102
103 /**
104 * Notifies this UI delegate to repaint the specified component.
105 * This method paints the component background, then calls
106 * the {@link #paint(SynthContext,Graphics)} method.
107 *
108 * <p>In general, this method does not need to be overridden by subclasses.
109 * All Look and Feel rendering code should reside in the {@code paint} method.
110 *
111 * @param g the {@code Graphics} object used for painting
112 * @param c the component being painted
113 * @see #paint(SynthContext,Graphics)
114 */
115 @Override
116 public void update(Graphics g, JComponent c) {
117 SynthContext context = getContext(c);
118
119 SynthLookAndFeel.update(context, g);
120 context.getPainter().paintRootPaneBackground(context,
121 g, 0, 0, c.getWidth(), c.getHeight());
122 paint(context, g);
123 context.dispose();
124 }
125
126 /**
127 * Paints the specified component according to the Look and Feel.
128 * <p>This method is not used by Synth Look and Feel.
129 * Painting is handled by the {@link #paint(SynthContext,Graphics)} method.
130 *
131 * @param g the {@code Graphics} object used for painting
132 * @param c the component being painted
133 * @see #paint(SynthContext,Graphics)
134 */
135 @Override
136 public void paint(Graphics g, JComponent c) {
137 SynthContext context = getContext(c);
138
139 paint(context, g);
140 context.dispose();
141 }
142
143 /**
144 * Paints the specified component. This implementation does nothing.
145 *
146 * @param context context for the component being painted
147 * @param g the {@code Graphics} object used for painting
148 * @see #update(Graphics,JComponent)
149 */
150 protected void paint(SynthContext context, Graphics g) {
151 }
152
153 /**
154 * {@inheritDoc}
155 */
156 @Override
157 public void paintBorder(SynthContext context, Graphics g, int x,
158 int y, int w, int h) {
159 context.getPainter().paintRootPaneBorder(context, g, x, y, w, h);
160 }
161
162 /**
163 * Invoked when a property changes on the root pane. If the event
164 * indicates the {@code defaultButton} has changed, this will
165 * reinstall the keyboard actions.
166 */
167 @Override
168 public void propertyChange(PropertyChangeEvent e) {
169 if (SynthLookAndFeel.shouldUpdateStyle(e)) {
170 updateStyle((JRootPane)e.getSource());
171 }
172 super.propertyChange(e);
173 }
174 }
--- EOF ---