01: /*
02: * Copyright (c) 2005-2008 Substance Kirill Grouchnikov. All Rights Reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, are permitted provided that the following conditions are met:
06: *
07: * o Redistributions of source code must retain the above copyright notice,
08: * this list of conditions and the following disclaimer.
09: *
10: * o Redistributions in binary form must reproduce the above copyright notice,
11: * this list of conditions and the following disclaimer in the documentation
12: * and/or other materials provided with the distribution.
13: *
14: * o Neither the name of Substance Kirill Grouchnikov nor the names of
15: * its contributors may be used to endorse or promote products derived
16: * from this software without specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20: * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
22: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
27: * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
28: * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29: */
30: package org.jvnet.substance;
31:
32: import java.awt.Graphics;
33:
34: import javax.swing.JComponent;
35: import javax.swing.JPanel;
36: import javax.swing.plaf.ComponentUI;
37: import javax.swing.plaf.basic.BasicPanelUI;
38:
39: import org.jvnet.lafwidget.layout.TransitionLayout;
40:
41: /**
42: * UI for panels in <b>Substance</b> look and feel.
43: *
44: * @author Kirill Grouchnikov
45: */
46: public class SubstancePanelUI extends BasicPanelUI {
47: /**
48: * Background delegate.
49: */
50: //private SubstanceFillBackgroundDelegate bgDelegate;
51: /*
52: * (non-Javadoc)
53: *
54: * @see javax.swing.plaf.ComponentUI#createUI(javax.swing.JComponent)
55: */
56: public static ComponentUI createUI(JComponent b) {
57: return new SubstancePanelUI();
58: }
59:
60: /**
61: * Simple constructor.
62: */
63: protected SubstancePanelUI() {
64: //bgDelegate = new SubstanceFillBackgroundDelegate();
65: }
66:
67: /*
68: * (non-Javadoc)
69: *
70: * @see javax.swing.plaf.ComponentUI#update(java.awt.Graphics,
71: * javax.swing.JComponent)
72: */
73: @Override
74: public void update(Graphics g, JComponent c) {
75: if (!c.isShowing()) {
76: return;
77: }
78: if (toPaintBackground(c)) {
79: SubstanceFillBackgroundDelegate.GLOBAL_INSTANCE.update(g,
80: c, false);
81: }
82: super .paint(g, c);
83: }
84:
85: /**
86: * Returns indication whether the panel background should be filled.
87: *
88: * @param c
89: * Component (should be {@link JPanel}).
90: * @return <code>true</code> if the panel background should be filled with
91: * the background color, <code>false</code> otherwise.
92: */
93: protected boolean toPaintBackground(JComponent c) {
94:
95: return TransitionLayout.isOpaque(c);
96: }
97: }
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