|
1
7
8 package javax.swing.plaf.synth;
9
10 import java.beans.*;
11 import javax.swing.*;
12 import java.awt.Dimension  ;
13 import java.awt.Graphics ;
14 import java.awt.Insets ;
15 import javax.swing.plaf.ComponentUI ;
16 import javax.swing.plaf.SeparatorUI ;
17 import javax.swing.plaf.UIResource ;
18 import javax.swing.plaf.DimensionUIResource ;
19 import sun.swing.plaf.synth.SynthUI;
20
21
29 class SynthSeparatorUI extends SeparatorUI implements PropertyChangeListener,
30 SynthUI {
31 private SynthStyle style;
32
33 public static ComponentUI createUI(JComponent c) {
34 return new SynthSeparatorUI ();
35 }
36
37 public void installUI(JComponent c) {
38 installDefaults((JSeparator)c);
39 installListeners((JSeparator)c);
40 }
41
42 public void uninstallDefaults(JComponent c) {
43 uninstallListeners((JSeparator)c);
44 uninstallDefaults((JSeparator)c);
45 }
46
47 public void installDefaults(JSeparator c) {
48 updateStyle(c);
49 }
50
51 private void updateStyle(JSeparator sep) {
52 SynthContext context = getContext(sep, ENABLED);
53 SynthStyle oldStyle = style;
54
55 style = SynthLookAndFeel.updateStyle(context, this);
56
57 if (style != oldStyle) {
58 if (sep instanceof JToolBar.Separator) {
59 Dimension size = ((JToolBar.Separator)sep).getSeparatorSize();
60 if (size == null || size instanceof UIResource ) {
61 size = (DimensionUIResource )style.get(
62 context, "ToolBar.separatorSize");
63 if (size == null) {
64 size = new DimensionUIResource (10, 10);
65 }
66 ((JToolBar.Separator)sep).setSeparatorSize(size);
67 }
68 }
69 }
70
71 context.dispose();
72 }
73
74 public void uninstallDefaults(JSeparator c) {
75 SynthContext context = getContext(c, ENABLED);
76
77 style.uninstallDefaults(context);
78 context.dispose();
79 style = null;
80 }
81
82 public void installListeners(JSeparator c) {
83 c.addPropertyChangeListener(this);
84 }
85
86 public void uninstallListeners(JSeparator c) {
87 c.removePropertyChangeListener(this);
88 }
89
90 public void update(Graphics g, JComponent c) {
91 SynthContext context = getContext(c);
92
93 SynthLookAndFeel.update(context, g);
94 context.getPainter().paintSeparatorBackground(context,
95 g, 0, 0, c.getWidth(), c.getHeight());
96 paint(context, g);
97 context.dispose();
98 }
99
100 public void paint(Graphics g, JComponent c) {
101 SynthContext context = getContext(c);
102
103 paint(context, g);
104 context.dispose();
105 }
106
107 protected void paint(SynthContext context, Graphics g) {
108 JSeparator separator = (JSeparator)context.getComponent();
109 context.getPainter().paintSeparatorForeground(context, g, 0, 0,
110 separator.getWidth(), separator.getHeight(),
111 separator.getOrientation());
112 }
113
114 public void paintBorder(SynthContext context, Graphics g, int x,
115 int y, int w, int h) {
116 context.getPainter().paintSeparatorBorder(context, g, x, y, w, h);
117 }
118
119 public Dimension getPreferredSize(JComponent c) {
120 SynthContext context = getContext(c);
121
122 int thickness = style.getInt(context, "Separator.thickness", 2);
123 Insets insets = c.getInsets();
124 Dimension size;
125
126 if (((JSeparator)c).getOrientation() == JSeparator.VERTICAL) {
127 size = new Dimension (insets.left + insets.right + thickness,
128 insets.top + insets.bottom);
129 } else {
130 size = new Dimension (insets.left + insets.right,
131 insets.top + insets.bottom + thickness);
132 }
133 context.dispose();
134 return size;
135 }
136
137 public Dimension getMinimumSize(JComponent c) {
138 return getPreferredSize(c);
139 }
140
141 public Dimension getMaximumSize(JComponent c) {
142 return new Dimension (Short.MAX_VALUE, Short.MAX_VALUE);
143 }
144
145 public SynthContext getContext(JComponent c) {
146 return getContext(c, getComponentState(c));
147 }
148
149 private SynthContext getContext(JComponent c, int state) {
150 return SynthContext.getContext(SynthContext .class, c,
151 SynthLookAndFeel.getRegion(c), style, state);
152 }
153
154 private Region getRegion(JComponent c) {
155 return SynthLookAndFeel.getRegion(c);
156 }
157
158 private int getComponentState(JComponent c) {
159 return SynthLookAndFeel.getComponentState(c);
160 }
161
162 public void propertyChange(PropertyChangeEvent evt) {
163 if (SynthLookAndFeel.shouldUpdateStyle(evt)) {
164 updateStyle((JSeparator)evt.getSource());
165 }
166 }
167 }
168 |
Popular Tags |
Java API By Example, From Geeks To Geeks.