Source code: javatools/swing/event/ReloaderTreeModelListener.java
1 /*
2 * ReloaderTreeModelListener.java
3 *
4 * Created on 8 gennaio 2003, 19.36
5 Javatools (modified version) - Some useful general classes.
6 Copyright (C) 2002-2003 Chris Bitmead (original) Antonio Petrelli (modified)
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21
22 Contact me at: brenmcguire@users.sourceforge.net
23 */
24
25 package javatools.swing.event;
26
27 /** Listener aimed to reload a tree when it has been modified. Anyway it is unused.
28 * @author Antonio Petrelli
29 * @version 0.1.8
30 */
31 public class ReloaderTreeModelListener implements javax.swing.event.TreeModelListener {
32
33 /** Creates a new instance of ReloaderTreeModelListener
34 * @param pTree The tree to be managed.
35 */
36 public ReloaderTreeModelListener(javax.swing.JTree pTree) {
37 tree = pTree;
38 count = 1;
39 }
40
41 /** Called when nodes have been changed.
42 * @param treeModelEvent The originated event.
43 */
44 public void treeNodesChanged(javax.swing.event.TreeModelEvent treeModelEvent) {
45 }
46
47 /** Called when nodes have been inserted.
48 * @param treeModelEvent The originated event.
49 */
50 public void treeNodesInserted(javax.swing.event.TreeModelEvent treeModelEvent) {
51 javax.swing.tree.TreePath tempPath;
52
53 tempPath = treeModelEvent.getTreePath();
54 ((javax.swing.tree.DefaultTreeModel) tree.getModel()).
55 reload((javax.swing.tree.TreeNode) tempPath.getLastPathComponent());
56 }
57
58 /** Called when nodes have been removed.
59 * @param treeModelEvent The originated event.
60 */
61 public void treeNodesRemoved(javax.swing.event.TreeModelEvent treeModelEvent) {
62 javax.swing.tree.TreePath tempPath;
63
64 tempPath = treeModelEvent.getTreePath();
65 ((javax.swing.tree.DefaultTreeModel) tree.getModel()).
66 reload((javax.swing.tree.TreeNode) tempPath.getLastPathComponent());
67 }
68
69 /** Called when the tree structure has been completely modified.
70 * @param treeModelEvent The originated event.
71 */
72 public void treeStructureChanged(javax.swing.event.TreeModelEvent treeModelEvent) {
73 }
74
75 private javax.swing.JTree tree;
76 private int count;
77 }