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1
7 package javax.swing.plaf.synth;
8
9 import java.awt.*;
10 import java.awt.event.*;
11 import java.beans.*;
12 import javax.swing.*;
13 import javax.swing.event.*;
14 import javax.swing.plaf.*;
15 import javax.swing.plaf.basic.*;
16 import javax.swing.border.*;
17 import java.util.Arrays  ;
18 import java.util.ArrayList ;
19 import sun.swing.plaf.synth.SynthUI;
20
21
22
30 class SynthMenuUI extends BasicMenuUI implements PropertyChangeListener,
31 SynthUI {
32 private SynthStyle style;
33 private SynthStyle accStyle;
34
35 private String acceleratorDelimiter;
36
37 public static ComponentUI createUI(JComponent x) {
38 return new SynthMenuUI ();
39 }
40
41 protected void installDefaults() {
42 updateStyle(menuItem);
43 }
44
45 protected void installListeners() {
46 super.installListeners();
47 menuItem.addPropertyChangeListener(this);
48 }
49
50 private void updateStyle(JMenuItem mi) {
51 SynthStyle oldStyle = style;
52 SynthContext context = getContext(mi, ENABLED);
53
54 style = SynthLookAndFeel.updateStyle(context, this);
55 if (oldStyle != style) {
56 String prefix = getPropertyPrefix();
57 defaultTextIconGap = style.getInt(
58 context, prefix + ".textIconGap", 4);
59 if (menuItem.getMargin() == null ||
60 (menuItem.getMargin() instanceof UIResource)) {
61 Insets insets = (Insets)style.get(context, prefix + ".margin");
62
63 if (insets == null) {
64 insets = SynthLookAndFeel.EMPTY_UIRESOURCE_INSETS;
66 }
67 menuItem.setMargin(insets);
68 }
69 acceleratorDelimiter = style.getString(context, prefix +
70 ".acceleratorDelimiter", "+");
71
72 arrowIcon = style.getIcon(context, prefix + ".arrowIcon");
73
74 checkIcon = style.getIcon(context, prefix + ".checkIcon");
75
76
77 ((JMenu)menuItem).setDelay(style.getInt(context, prefix +
78 ".delay", 200));
79 if (oldStyle != null) {
80 uninstallKeyboardActions();
81 installKeyboardActions();
82 }
83 }
84 context.dispose();
85
86 SynthContext accContext = getContext(mi, Region.MENU_ITEM_ACCELERATOR,
87 ENABLED);
88
89 accStyle = SynthLookAndFeel.updateStyle(accContext, this);
90 accContext.dispose();
91 }
92
93 protected void uninstallDefaults() {
94 SynthContext context = getContext(menuItem, ENABLED);
95 style.uninstallDefaults(context);
96 context.dispose();
97 style = null;
98
99 SynthContext accContext = getContext(menuItem,
100 Region.MENU_ITEM_ACCELERATOR, ENABLED);
101 accStyle.uninstallDefaults(accContext);
102 accContext.dispose();
103 accStyle = null;
104
105 super.uninstallDefaults();
106 }
107
108 protected void uninstallListeners() {
109 super.uninstallListeners();
110 menuItem.removePropertyChangeListener(this);
111 }
112
113 public SynthContext getContext(JComponent c) {
114 return getContext(c, getComponentState(c));
115 }
116
117 SynthContext getContext(JComponent c, int state) {
118 Region region = getRegion(c);
119 return SynthContext.getContext(SynthContext .class, c, region,
120 style, state);
121 }
122
123 public SynthContext getContext(JComponent c, Region region) {
124 return getContext(c, region, getComponentState(c, region));
125 }
126
127 private SynthContext getContext(JComponent c, Region region, int state) {
128 return SynthContext.getContext(SynthContext .class, c,
129 region, accStyle, state);
130 }
131
132 private Region getRegion(JComponent c) {
133 return SynthLookAndFeel.getRegion(c);
134 }
135
136 private int getComponentState(JComponent c) {
137 int state;
138
139 if (!c.isEnabled()) {
140 return DISABLED;
141 }
142 if (menuItem.isArmed()) {
143 state = MOUSE_OVER;
144 }
145 else {
146 state = SynthLookAndFeel.getComponentState(c);
147 }
148 if (menuItem.isSelected()) {
149 state |= SELECTED;
150 }
151 return state;
152 }
153
154 private int getComponentState(JComponent c, Region region) {
155 return getComponentState(c);
156 }
157
158 protected Dimension getPreferredMenuItemSize(JComponent c,
159 Icon checkIcon,
160 Icon arrowIcon,
161 int defaultTextIconGap) {
162 SynthContext context = getContext(c);
163 SynthContext accContext = getContext(c, Region.MENU_ITEM_ACCELERATOR);
164 Dimension value = SynthMenuItemUI.getPreferredMenuItemSize(
165 context, accContext, useCheckAndArrow(), c, checkIcon,
166 arrowIcon, defaultTextIconGap, acceleratorDelimiter);
167 context.dispose();
168 accContext.dispose();
169 return value;
170 }
171
172
173 public void update(Graphics g, JComponent c) {
174 SynthContext context = getContext(c);
175
176 SynthLookAndFeel.update(context, g);
177 context.getPainter().paintMenuBackground(context,
178 g, 0, 0, c.getWidth(), c.getHeight());
179 paint(context, g);
180 context.dispose();
181 }
182
183 public void paint(Graphics g, JComponent c) {
184 SynthContext context = getContext(c);
185
186 paint(context, g);
187 context.dispose();
188 }
189
190 protected void paint(SynthContext context, Graphics g) {
191 SynthContext accContext = getContext(menuItem,
192 Region.MENU_ITEM_ACCELERATOR);
193 SynthMenuItemUI.paint(context, accContext, g, checkIcon, arrowIcon,
194 useCheckAndArrow(), acceleratorDelimiter,
195 defaultTextIconGap);
196 accContext.dispose();
197 }
198
199 public void paintBorder(SynthContext context, Graphics g, int x,
200 int y, int w, int h) {
201 context.getPainter().paintMenuBorder(context, g, x, y, w, h);
202 }
203
204 public void propertyChange(PropertyChangeEvent e) {
205 if (SynthLookAndFeel.shouldUpdateStyle(e)) {
206 updateStyle((JMenu)e.getSource());
207 }
208 }
209
210 private boolean useCheckAndArrow() {
211 return !((JMenu)menuItem).isTopLevelMenu();
212 }
213 }
214 |
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