KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > columba > core > gui > globalactions > ShowHideViewSubmenu


1 package org.columba.core.gui.globalactions;
2
3 import java.awt.event.ActionEvent JavaDoc;
4 import java.util.Iterator JavaDoc;
5
6 import javax.swing.AbstractAction JavaDoc;
7 import javax.swing.JMenuItem JavaDoc;
8
9 import org.columba.api.gui.frame.IDock;
10 import org.columba.api.gui.frame.IDockable;
11 import org.columba.api.gui.frame.IFrameMediator;
12 import org.columba.api.gui.frame.event.FrameEvent;
13 import org.columba.core.gui.frame.DefaultFrameController;
14 import org.columba.core.gui.frame.FrameMediatorAdapter;
15 import org.columba.core.gui.menu.IMenu;
16 import org.flexdock.docking.Dockable;
17 import org.flexdock.docking.DockingManager;
18
19 /**
20  * Menu in "View->Hide/Show" shows all dockables for the current frame mediator.
21  * A listener is used to update the submenu in case the frame mediator is
22  * changed.
23  *
24  * @author fdietz
25  */
26 public class ShowHideViewSubmenu extends IMenu {
27
28     public ShowHideViewSubmenu(IFrameMediator controller) {
29         super(controller, "Show/Hide View",
30                 ((DefaultFrameController) controller).getViewItem().get("id"));
31
32         // register for change of the frame mediator
33 controller.addListener(new MyListener());
34         
35         if ( getMenuComponentCount() == 0) setEnabled(false);
36         else setEnabled(true);
37     }
38
39     class DisplayAction extends AbstractAction JavaDoc {
40         String JavaDoc id;
41
42         DisplayAction(String JavaDoc id, String JavaDoc name) {
43             this.id = id;
44
45             putValue(AbstractAction.NAME, name);
46         }
47
48         public void actionPerformed(ActionEvent JavaDoc e) {
49             Dockable dockable = DockingManager.getDockable(id);
50             DockingManager.display(dockable);
51         }
52     }
53
54     /**
55      * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
56      */
57     public void actionPerformed(ActionEvent JavaDoc arg0) {
58
59     }
60
61     /**
62      * Listener checks if a workspace switch happened and replaces all the
63      * Hide/Show menuentries.
64      *
65      * @author fdietz
66      */
67     class MyListener extends FrameMediatorAdapter {
68
69         MyListener() {
70
71         }
72
73         /**
74          * @see org.columba.core.gui.frame.FrameMediatorAdapter#switchedComponent(org.columba.api.gui.frame.event.FrameEvent)
75          */
76         @Override JavaDoc
77         public void switchedComponent(FrameEvent event) {
78             IFrameMediator mediator = getFrameMediator();
79
80             // check if mediator supports docking
81 if (mediator instanceof IDock) {
82                 Iterator JavaDoc<IDockable> it = ((IDock) mediator)
83                         .getDockableIterator();
84                 while (it.hasNext()) {
85                     IDockable dockable = it.next();
86
87                     DisplayAction action = new DisplayAction(dockable.getId(),
88                             dockable.resolveName());
89                     add(new JMenuItem JavaDoc(action));
90                 }
91             }
92             
93             if ( getMenuComponentCount() == 0) setEnabled(false);
94             else setEnabled(true);
95         }
96     }
97
98 }
99
Popular Tags