Save This Page
1 /*
2 * SSHTools - Java SSH2 API
3 *
4 * Copyright (C) 2002-2003 Lee David Painter and Contributors.
5 *
6 * Contributions made by:
7 *
8 * Brett Smith
9 * Richard Pernavas
10 * Erwin Bolwidt
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
25 */
26 package com.sshtools.common.mru;
27
28 import java.awt;
29 import java.awt.event;
30
31 import java.io;
32
33 import javax.swing;
34 import javax.swing.event;
35
36
37 /**
38 *
39 *
40 * @author $author$
41 * @version $Revision: 1.13 $
42 */
43 public class MRUMenu extends JMenu implements ListDataListener, ActionListener {
44 private MRUListModel model;
45
46 /**
47 * Creates a new MRUMenu object.
48 *
49 * @param action
50 * @param model
51 */
52 protected MRUMenu(Action action, MRUListModel model) {
53 super(action);
54 init(model);
55 }
56
57 /**
58 * Creates a new MRUMenu object.
59 *
60 * @param text
61 * @param model
62 */
63 protected MRUMenu(String text, MRUListModel model) {
64 super(text);
65 init(model);
66 }
67
68 private void init(MRUListModel model) {
69 this.model = model;
70 rebuildMenu();
71 model.addListDataListener(this);
72 }
73
74 /**
75 *
76 */
77 public void cleanUp() {
78 model.removeListDataListener(this);
79 }
80
81 /**
82 *
83 *
84 * @param e
85 */
86 public void intervalAdded(ListDataEvent e) {
87 rebuildMenu();
88 }
89
90 /**
91 *
92 *
93 * @param e
94 */
95 public void intervalRemoved(ListDataEvent e) {
96 rebuildMenu();
97 }
98
99 /**
100 *
101 *
102 * @param e
103 */
104 public void contentsChanged(ListDataEvent e) {
105 rebuildMenu();
106 }
107
108 /**
109 *
110 *
111 * @param evt
112 */
113 public void actionPerformed(ActionEvent evt) {
114 fireActionPerformed(evt);
115 }
116
117 private void rebuildMenu() {
118 Component[] c = getMenuComponents();
119
120 for (int i = 0; (c != null) && (i < c.length); i++) {
121 ((JMenuItem) c[i]).removeActionListener(this);
122 remove(c[i]);
123 }
124
125 for (int i = 0; i < model.getSize(); i++) {
126 File f = (File) model.getElementAt(i);
127 JMenuItem m = new JMenuItem(f.getName());
128 m.setActionCommand(f.getAbsolutePath());
129 m.setToolTipText(f.getAbsolutePath());
130 m.addActionListener(this);
131 add(m);
132 }
133
134 setEnabled(model.getSize() > 0);
135 validate();
136 }
137 }