01 /* This file is part of the project "Hilbert II" - http://www.qedeq.org
02 *
03 * Copyright 2000-2013, Michael Meyling <mime@qedeq.org>.
04 *
05 * "Hilbert II" is free software; you can redistribute
06 * it and/or modify it under the terms of the GNU General Public
07 * License as published by the Free Software Foundation; either
08 * version 2 of the License, or (at your option) any later version.
09 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16 package org.qedeq.gui.se.tree;
17
18 import javax.swing.tree.DefaultMutableTreeNode;
19
20 import org.qedeq.base.utility.EqualsUtility;
21 import org.qedeq.kernel.bo.common.QedeqBo;
22
23 /**
24 * Node for a JTreee.
25 *
26 * @author Michael Meyling
27 */
28 public final class QedeqTreeNode extends DefaultMutableTreeNode {
29
30 public QedeqTreeNode(final ModuleElement userObject, final boolean allowsChildren) {
31 super(userObject, allowsChildren);
32 }
33
34 public QedeqTreeNode(final QedeqBo userObject, final boolean allowsChildren) {
35 super(userObject, allowsChildren);
36 }
37
38
39 public final void setUserObject(final Object userObject) {
40 if (userObject instanceof QedeqBo) {
41 this.userObject = userObject;
42 } else {
43 throw new IllegalArgumentException("Only ModuleElements could be managed!");
44 }
45 }
46
47 public boolean equals(final Object other) {
48 if (other == null || other.getClass() != QedeqTreeNode.class) {
49 return false;
50 }
51 return EqualsUtility.equals(getUserObject(), ((QedeqTreeNode) other).getUserObject());
52 }
53
54 public int hashCode() {
55 return getUserObject().hashCode();
56 }
57 }
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