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31
32 package org.antlr.xjlib.appkit.menu;
33
34 import javax.swing.*;
35 import java.awt.*;
36 import java.awt.event.ActionEvent  ;
37 import java.awt.event.ActionListener ;
38
39 public class XJMenuItem {
40
41 protected JMenuItem jMenuItem = null;
42
43 protected int tag = 0;
44 protected Object object = null;
45 protected XJMenuItemDelegate delegate = null;
46
47 protected XJMenu parentMenu = null;
48
49 public XJMenuItem() {
50 init();
51 }
52
53 public XJMenuItem(String title, int accelerator, int tag, XJMenuItemDelegate delegate) {
54 init();
55 setTag(tag);
56 setTitle(title);
57 setAccelerator(accelerator);
58 setDelegate(delegate);
59 }
60
61 public XJMenuItem(String title, Icon icon, int accelerator, int tag, XJMenuItemDelegate delegate) {
62 init();
63 setTag(tag);
64 setTitle(title);
65 setIcon(icon);
66 setAccelerator(accelerator);
67 setDelegate(delegate);
68 }
69
70 public XJMenuItem(String title, int accelerator, int modifiers, int tag, XJMenuItemDelegate delegate) {
71 init();
72 setTag(tag);
73 setTitle(title);
74 setAccelerator(accelerator, modifiers);
75 setDelegate(delegate);
76 }
77
78 public XJMenuItem(String title, int tag, XJMenuItemDelegate delegate) {
79 init();
80 setTag(tag);
81 setTitle(title);
82 setDelegate(delegate);
83 }
84
85 public void init() {
86 jMenuItem = new JMenuItem();
87 jMenuItem.addActionListener(new MenuActionListener());
88 }
89
90 public void setMenu(XJMenu menu) {
91 this.parentMenu = menu;
92 }
93
94 public void setDelegate(XJMenuItemDelegate delegate) {
95 this.delegate = delegate;
96 }
97
98 public void setTag(int tag) {
99 this.tag = tag;
100 }
101
102 public int getTag() {
103 return tag;
104 }
105
106 public void setObject(Object object) {
107 this.object = object;
108 }
109
110 public Object getObject() {
111 return object;
112 }
113
114 public void setTitle(String title) {
115 jMenuItem.setText(title);
116 }
117
118 public String getTitle() {
119 return jMenuItem.getText();
120 }
121
122 public void setEnabled(boolean enabled) {
123 boolean previous = isEnabled();
124 if(enabled && !previous || !enabled && previous)
125 jMenuItem.setEnabled(enabled);
126 }
127
128 public boolean isEnabled() {
129 return jMenuItem.isEnabled();
130 }
131
132 public void setSelected(boolean selected) {
133 boolean previous = isSelected();
134 if(selected && !previous || !selected && previous)
135 jMenuItem.setSelected(selected);
136 }
137
138 public boolean isSelected() {
139 return jMenuItem.isSelected();
140 }
141
142 public void setAccelerator(int keystroke) {
143 int keyModifier = Toolkit.getDefaultToolkit().getMenuShortcutKeyMask();
144 jMenuItem.setAccelerator(KeyStroke.getKeyStroke(keystroke, keyModifier));
145 }
146
147 public void setAccelerator(int keystroke, int modifiers) {
148 jMenuItem.setAccelerator(KeyStroke.getKeyStroke(keystroke, modifiers));
149 }
150
151 public void setIcon(Icon icon) {
152 jMenuItem.setIcon(icon);
153 }
154
155 public JComponent getSwingComponent() {
156 return jMenuItem;
157 }
158
159 public static int getKeyModifier() {
160 return Toolkit.getDefaultToolkit().getMenuShortcutKeyMask();
161 }
162
163 public class MenuActionListener implements ActionListener {
164 public void actionPerformed(ActionEvent e) {
165 if(delegate != null)
166 delegate.handleMenuEvent(parentMenu, XJMenuItem.this);
167 }
168 }
169
170 }
171 |
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