|
1
33
34
35 package swingwtx.swing;
36
37 import org.eclipse.swt.widgets.*;
38 import org.eclipse.swt.*;
39
40 import swingwt.awt.event.*;
41
42 import java.util.*;
43
44 public class JCheckBoxMenuItem extends JMenuItem implements SwingConstants, ButtonModel {
45
46 protected boolean pState = false;
47 private Shell shell = null;
48 protected Vector itemListeners = new Vector();
49 private Object  retval;
50
51 public JCheckBoxMenuItem() {setModel(this);}
52 public JCheckBoxMenuItem(Action a) { setAction(a); setModel(this);}
53 public JCheckBoxMenuItem(Icon icon) { this("", icon); }
54 public JCheckBoxMenuItem(Icon icon, boolean b) { this("", icon, b); }
55 public JCheckBoxMenuItem(String text) { this(text, null, false); }
56 public JCheckBoxMenuItem(String text, boolean b) { this(text, null, b); }
57 public JCheckBoxMenuItem(String text, Icon icon) { this(text, null, false); }
58 public JCheckBoxMenuItem(String text, Icon icon, boolean b) { pText = text; pImage = icon; pState = b; setModel(this);}
59 public JCheckBoxMenuItem(String text, int mnemonic) { pText = text; setMnemonic(mnemonic); setModel(this);}
60 public JCheckBoxMenuItem(String text, int mnemonic, boolean b) { pText = text; setMnemonic(mnemonic); pState = b; setModel(this); }
61
62 public void addItemListener(ItemListener l) {
63 itemListeners.add(l);
64 }
65
66 public void removeItemListener(ItemListener l) {
67 itemListeners.remove(l);
68 }
69
70
74 public void processActionEvent(int id) {
75 super.processActionEvent(id);
76 processItemEvent();
77 }
78
79
82 public void processItemEvent() {
83 if (itemListeners.size() == 0) return;
84 Iterator i = itemListeners.iterator();
85 ItemEvent e = new ItemEvent(this, 0, this, (ppeer.getSelection() ? ItemEvent.SELECTED : ItemEvent.DESELECTED));
86 while (i.hasNext()) {
87 ItemListener il = (ItemListener) i.next();
88 il.itemStateChanged(e);
89 }
90 }
91
92 public Object [] getSelectedObjects() { return new Object [] { getText() };}
93 public boolean getState() {
94 SwingUtilities.invokeSync(new Runnable () {
95 public void run() {
96 if (SwingWTUtils.isSWTMenuControlAvailable(peer))
97 retval = new Boolean (ppeer.getSelection());
98 else
99 retval = new Boolean (pState);
100 }
101 });
102 return ((Boolean ) retval).booleanValue();
103 }
104
105 public void setState(boolean b) {
106 pState = b;
107 SwingUtilities.invokeSync(new Runnable () {
108 public void run() {
109 if (SwingWTUtils.isSWTMenuControlAvailable(peer))
110 ppeer.setSelection(pState);
111 }
112 });
113 }
114
115 public boolean isSelected() { return getState(); }
116 public void setSelected(boolean b) { setState(b); }
117
118 public void setSwingWTParent(Menu parent, Shell shell) throws Exception {
119 this.shell = shell;
120 peer = new MenuItem(parent, SWT.CHECK);
121 peer.setSelection(pState);
122 }
123
124 }
125 |
Popular Tags |
Java API By Example, From Geeks To Geeks.