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LeafTreeNode.java | 0% | 0% | 0% | 0% |
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1 | /* | |
2 | * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved. | |
3 | * | |
4 | * This software is open source. | |
5 | * See the bottom of this file for the licence. | |
6 | * | |
7 | * $Id: LeafTreeNode.java,v 1.5 2004/06/25 08:03:40 maartenc Exp $ | |
8 | */ | |
9 | ||
10 | package org.dom4j.swing; | |
11 | ||
12 | import java.util.Enumeration; | |
13 | ||
14 | import javax.swing.tree.TreeNode; | |
15 | ||
16 | import org.dom4j.Node; | |
17 | ||
18 | /** <p><code>LeafTreeNode</code> implements the Swing TreeNode interface | |
19 | * to bind a leaf XML nodes to a Swing TreeModel.</p> | |
20 | * | |
21 | * @author <a href="mailto:james.strachan@metastuff.com">James Strachan</a> (james.strachan@metastuff.com) | |
22 | * @author Jakob Jenkov | |
23 | * @version $Revision: 1.5 $ | |
24 | */ | |
25 | public class LeafTreeNode implements TreeNode { | |
26 | ||
27 | protected static final Enumeration EMPTY_ENUMERATION = new Enumeration() { | |
28 | 0 | public boolean hasMoreElements() { |
29 | 0 | return false; |
30 | } | |
31 | 0 | public Object nextElement() { |
32 | 0 | return null; |
33 | } | |
34 | }; | |
35 | ||
36 | /** The parent node of this TreeNode */ | |
37 | private TreeNode parent; | |
38 | ||
39 | /** The dom4j Node which contains the */ | |
40 | protected Node xmlNode; | |
41 | ||
42 | ||
43 | 0 | public LeafTreeNode() { |
44 | } | |
45 | ||
46 | 0 | public LeafTreeNode(Node xmlNode) { |
47 | 0 | this.xmlNode = xmlNode; |
48 | } | |
49 | ||
50 | 0 | public LeafTreeNode(TreeNode parent, Node xmlNode) { |
51 | 0 | this.parent = parent; |
52 | 0 | this.xmlNode = xmlNode; |
53 | } | |
54 | ||
55 | ||
56 | // TreeNode methods | |
57 | //------------------------------------------------------------------------- | |
58 | 0 | public Enumeration children() { |
59 | 0 | return EMPTY_ENUMERATION; |
60 | } | |
61 | ||
62 | 0 | public boolean getAllowsChildren() { |
63 | 0 | return false; |
64 | } | |
65 | ||
66 | 0 | public TreeNode getChildAt(int childIndex) { |
67 | 0 | return null; |
68 | } | |
69 | ||
70 | 0 | public int getChildCount() { |
71 | 0 | return 0; |
72 | } | |
73 | ||
74 | 0 | public int getIndex(TreeNode node) { |
75 | 0 | return -1; |
76 | } | |
77 | ||
78 | 0 | public TreeNode getParent() { |
79 | 0 | return parent; |
80 | } | |
81 | ||
82 | 0 | public boolean isLeaf() { |
83 | 0 | return true; |
84 | } | |
85 | ||
86 | 0 | public String toString() { |
87 | // should maybe do things differently based on content? | |
88 | 0 | String text = xmlNode.getText(); |
89 | 0 | return (text != null) ? text.trim() : ""; |
90 | } | |
91 | ||
92 | // Properties | |
93 | //------------------------------------------------------------------------- | |
94 | ||
95 | /** Sets the parent of this node but doesn't change the parents children */ | |
96 | 0 | public void setParent(LeafTreeNode parent) { |
97 | 0 | this.parent = parent; |
98 | } | |
99 | ||
100 | 0 | public Node getXmlNode() { |
101 | 0 | return xmlNode; |
102 | } | |
103 | } | |
104 | ||
105 | ||
106 | ||
107 | ||
108 | /* | |
109 | * Redistribution and use of this software and associated documentation | |
110 | * ("Software"), with or without modification, are permitted provided | |
111 | * that the following conditions are met: | |
112 | * | |
113 | * 1. Redistributions of source code must retain copyright | |
114 | * statements and notices. Redistributions must also contain a | |
115 | * copy of this document. | |
116 | * | |
117 | * 2. Redistributions in binary form must reproduce the | |
118 | * above copyright notice, this list of conditions and the | |
119 | * following disclaimer in the documentation and/or other | |
120 | * materials provided with the distribution. | |
121 | * | |
122 | * 3. The name "DOM4J" must not be used to endorse or promote | |
123 | * products derived from this Software without prior written | |
124 | * permission of MetaStuff, Ltd. For written permission, | |
125 | * please contact dom4j-info@metastuff.com. | |
126 | * | |
127 | * 4. Products derived from this Software may not be called "DOM4J" | |
128 | * nor may "DOM4J" appear in their names without prior written | |
129 | * permission of MetaStuff, Ltd. DOM4J is a registered | |
130 | * trademark of MetaStuff, Ltd. | |
131 | * | |
132 | * 5. Due credit should be given to the DOM4J Project - | |
133 | * http://www.dom4j.org | |
134 | * | |
135 | * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS | |
136 | * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT | |
137 | * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
138 | * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL | |
139 | * METASTUFF, LTD. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
140 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
141 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
142 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
143 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
144 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
145 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
146 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
147 | * | |
148 | * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved. | |
149 | * | |
150 | * $Id: LeafTreeNode.java,v 1.5 2004/06/25 08:03:40 maartenc Exp $ | |
151 | */ |
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