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1
7
8 package javax.swing.plaf.synth;
9
10 import javax.swing.*;
11 import javax.swing.border.*;
12 import javax.swing.event.*;
13 import javax.swing.plaf.*;
14 import javax.swing.plaf.basic.*;
15 import javax.swing.text.Position  ;
16
17 import java.awt.*;
18 import java.awt.event.*;
19 import java.awt.datatransfer.Transferable ;
20 import java.awt.dnd.*;
21
22 import java.util.ArrayList ;
23 import java.util.TooManyListenersException ;
24
25 import java.beans.PropertyChangeListener ;
26 import java.beans.PropertyChangeEvent ;
27 import sun.swing.plaf.synth.SynthUI;
28
29
35 class SynthListUI extends BasicListUI implements PropertyChangeListener ,
36 SynthUI {
37 private SynthStyle style;
38 private boolean useListColors;
39 private boolean useUIBorder;
40
41 public static ComponentUI createUI(JComponent list) {
42 return new SynthListUI ();
43 }
44
45 public void update(Graphics g, JComponent c) {
46 SynthContext context = getContext(c);
47
48 SynthLookAndFeel.update(context, g);
49 context.getPainter().paintListBackground(context,
50 g, 0, 0, c.getWidth(), c.getHeight());
51 context.dispose();
52 paint(g, c);
53 }
54
55 public void paintBorder(SynthContext context, Graphics g, int x,
56 int y, int w, int h) {
57 context.getPainter().paintListBorder(context, g, x, y, w, h);
58 }
59
60 protected void installListeners() {
61 super.installListeners();
62 list.addPropertyChangeListener(this);
63 }
64
65 public void propertyChange(PropertyChangeEvent e) {
66 if (SynthLookAndFeel.shouldUpdateStyle(e)) {
67 updateStyle((JList)e.getSource());
68 }
69 }
70
71 protected void uninstallListeners() {
72 super.uninstallListeners();
73 list.removePropertyChangeListener(this);
74 }
75
76 protected void installDefaults() {
77 if (list.getCellRenderer() == null ||
78 (list.getCellRenderer() instanceof UIResource)) {
79 list.setCellRenderer(new SynthListCellRenderer());
80 }
81 updateStyle(list);
82 }
83
84 private void updateStyle(JComponent c) {
85 SynthContext context = getContext(list, ENABLED);
86 SynthStyle oldStyle = style;
87
88 style = SynthLookAndFeel.updateStyle(context, this);
89
90 if (style != oldStyle) {
91 context.setComponentState(SELECTED);
92 Color sbg = list.getSelectionBackground();
93 if (sbg == null || sbg instanceof UIResource) {
94 list.setSelectionBackground(style.getColor(
95 context, ColorType.TEXT_BACKGROUND));
96 }
97
98 Color sfg = list.getSelectionForeground();
99 if (sfg == null || sfg instanceof UIResource) {
100 list.setSelectionForeground(style.getColor(
101 context, ColorType.TEXT_FOREGROUND));
102 }
103
104 useListColors = style.getBoolean(context,
105 "List.rendererUseListColors", true);
106 useUIBorder = style.getBoolean(context,
107 "List.rendererUseUIBorder", true);
108
109 int height = style.getInt(context, "List.cellHeight", -1);
110 if (height != -1) {
111 list.setFixedCellHeight(height);
112 }
113 if (oldStyle != null) {
114 uninstallKeyboardActions();
115 installKeyboardActions();
116 }
117 }
118 context.dispose();
119 }
120
121 protected void uninstallDefaults() {
122 super.uninstallDefaults();
123
124 SynthContext context = getContext(list, ENABLED);
125
126 style.uninstallDefaults(context);
127 context.dispose();
128 style = null;
129 }
130
131 public SynthContext getContext(JComponent c) {
132 return getContext(c, getComponentState(c));
133 }
134
135 private SynthContext getContext(JComponent c, int state) {
136 return SynthContext.getContext(SynthContext .class, c,
137 SynthLookAndFeel.getRegion(c), style, state);
138 }
139
140 private Region getRegion(JComponent c) {
141 return SynthLookAndFeel.getRegion(c);
142 }
143
144 private int getComponentState(JComponent c) {
145 return SynthLookAndFeel.getComponentState(c);
146 }
147
148
149 private class SynthListCellRenderer extends DefaultListCellRenderer.UIResource {
150 public String getName() {
151 return "List.cellRenderer";
152 }
153
154 public void setBorder(Border b) {
155 if (useUIBorder || b instanceof SynthBorder ) {
156 super.setBorder(b);
157 }
158 }
159
160 public Component getListCellRendererComponent(JList list, Object value,
161 int index, boolean isSelected, boolean cellHasFocus) {
162 if (!useListColors && (isSelected || cellHasFocus)) {
163 SynthLookAndFeel.setSelectedUI((SynthLabelUI )SynthLookAndFeel.
164 getUIOfType(getUI(), SynthLabelUI .class),
165 isSelected, cellHasFocus, list.isEnabled());
166 }
167 else {
168 SynthLookAndFeel.resetSelectedUI();
169 }
170
171 super.getListCellRendererComponent(list, value, index,
172 isSelected, cellHasFocus);
173 return this;
174 }
175
176 public void paint(Graphics g) {
177 super.paint(g);
178 SynthLookAndFeel.resetSelectedUI();
179 }
180 }
181 }
182 |
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