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1
7
8 package javax.swing.plaf.synth;
9
10 import java.awt.*;
11 import javax.swing.*;
12 import javax.swing.border.*;
13 import javax.swing.plaf.*;
14 import javax.swing.plaf.basic.BasicPanelUI  ;
15 import java.awt.*;
16 import java.awt.event.*;
17 import java.beans.*;
18 import sun.swing.plaf.synth.SynthUI;
19
20
26 class SynthPanelUI extends BasicPanelUI implements PropertyChangeListener,
27 SynthUI {
28 private SynthStyle style;
29
30 public static ComponentUI createUI(JComponent c) {
31 return new SynthPanelUI ();
32 }
33
34 public void installUI(JComponent c) {
35 JPanel p = (JPanel)c;
36
37 super.installUI(c);
38 installListeners(p);
39 }
40
41 public void uninstallUI(JComponent c) {
42 JPanel p = (JPanel)c;
43
44 uninstallListeners(p);
45 super.uninstallUI(c);
46 }
47
48 protected void installListeners(JPanel p) {
49 p.addPropertyChangeListener(this);
50 }
51
52 protected void uninstallListeners(JPanel p) {
53 p.removePropertyChangeListener(this);
54 }
55
56 protected void installDefaults(JPanel p) {
57 updateStyle(p);
58 }
59
60 protected void uninstallDefaults(JPanel p) {
61 SynthContext context = getContext(p, ENABLED);
62
63 style.uninstallDefaults(context);
64 context.dispose();
65 style = null;
66 }
67
68 private void updateStyle(JPanel c) {
69 SynthContext context = getContext(c, ENABLED);
70 style = SynthLookAndFeel.updateStyle(context, this);
71 context.dispose();
72 }
73
74 public SynthContext getContext(JComponent c) {
75 return getContext(c, getComponentState(c));
76 }
77
78 private SynthContext getContext(JComponent c, int state) {
79 return SynthContext.getContext(SynthContext .class, c,
80 SynthLookAndFeel.getRegion(c), style, state);
81 }
82
83 private Region getRegion(JComponent c) {
84 return SynthLookAndFeel.getRegion(c);
85 }
86
87 private int getComponentState(JComponent c) {
88 return SynthLookAndFeel.getComponentState(c);
89 }
90
91 public void update(Graphics g, JComponent c) {
92 SynthContext context = getContext(c);
93
94 SynthLookAndFeel.update(context, g);
95 context.getPainter().paintPanelBackground(context,
96 g, 0, 0, c.getWidth(), c.getHeight());
97 paint(context, g);
98 context.dispose();
99 }
100
101 public void paint(Graphics g, JComponent c) {
102 SynthContext context = getContext(c);
103
104 paint(context, g);
105 context.dispose();
106 }
107
108 protected void paint(SynthContext context, Graphics g) {
109 }
111
112 public void paintBorder(SynthContext context, Graphics g, int x,
113 int y, int w, int h) {
114 context.getPainter().paintPanelBorder(context, g, x, y, w, h);
115 }
116
117 public void propertyChange(PropertyChangeEvent pce) {
118 if (SynthLookAndFeel.shouldUpdateStyle(pce)) {
119 updateStyle((JPanel)pce.getSource());
120 }
121 }
122 }
123 |
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