1 /*
2 * Copyright (c) 2003 Scott Howlett & Paul Libbrecht.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. The end-user documentation included with the redistribution,
18 * if any, must include the following acknowledgment:
19 * "This product includes software developed by the Xwing
20 * Project ( http://xwing.sourceforge.net/ )."
21 * Alternately, this acknowledgment may appear in the software itself,
22 * if and wherever such third-party acknowledgments normally appear.
23 *
24 * 4. The name "Xwing" must not be used to endorse or promote products
25 * derived from this software without prior written permission. For
26 * written permission, please contact the project authors via
27 * the Xwing project site, http://xwing.sourceforge.net/ .
28 *
29 * 5. Products derived from this software may not be called "Xwing",
30 * nor may "Xwing" appear in their name, without prior written
31 * permission of the Xwing project.
32 *
33 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
34 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
35 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
36 * DISCLAIMED. IN NO EVENT SHALL THE XWING AUTHORS OR THE PROJECT
37 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
39 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
40 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
41 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
42 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
43 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44 * SUCH DAMAGE.
45 *
46 * For more information on Xwing, please see
47 * < http://xwing.sourceforge.net/ >.
48 */
49
50 package net.sourceforge.xwing.jelly.tags.xwing;
51
52 import java.util.Map;
53
54 import javax.swing.JCheckBox;
55
56 import net.sourceforge.xwing.BooleanToTextAdapter;
57 import net.sourceforge.xwing.CachingSourceSink;
58 import net.sourceforge.xwing.MapSourceSink;
59 import net.sourceforge.xwing.SourceSink;
60 import net.sourceforge.xwing.dom.NodeTextSourceSink;
61 import net.sourceforge.xwing.prefs.PrefSourceSink;
62 import net.sourceforge.xwing.prefs.Prefs;
63 import net.sourceforge.xwing.swing.XCheckBoxModel;
64
65 import org.apache.commons.jelly.JellyTagException;
66 import org.apache.commons.jelly.MissingAttributeException;
67 import org.apache.commons.jelly.XMLOutput;
68 import org.apache.commons.jelly.tags.swing.ComponentTag;
69 import org.jaxen.dom.DOMXPath;
70 import org.w3c.dom.Node;
71
72 public class CheckBoxTag extends ComponentTag implements SourceSinkTag {
73
74 private SourceSink conn;
75
76 protected Object newInstance(
77 Class theClass,
78 Map attributes,
79 XMLOutput output)
80 throws JellyTagException {
81
82 try {
83 Node node = (Node) attributes.remove("node");
84 Map map = (Map) attributes.remove("map");
85 Prefs prefs = (Prefs) attributes.remove("prefs");
86
87 String path = (String) attributes.remove("path");
88 String selectedValue = (String) attributes.remove("selectedValue");
89 String unselectedValue =
90 (String) attributes.remove("unselectedValue");
91 String key = (String) attributes.remove("key");
92
93 if (node == null && map == null && prefs == null) {
94 throw new JellyTagException(
95 "Either node, map, or " + "prefs must be specified");
96 }
97
98 if (node != null) {
99 if (selectedValue == null) {
100 throw new MissingAttributeException("selectedValue");
101 }
102 if (unselectedValue == null) {
103 throw new MissingAttributeException("unselectedValue");
104 }
105
106 if (path != null) {
107 node = (Node) new DOMXPath(path).selectSingleNode(node);
108 }
109 } else {
110 if (key == null) {
111 throw new MissingAttributeException("key");
112 }
113 }
114
115 if (node != null) {
116 conn =
117 new BooleanToTextAdapter(
118 new CachingSourceSink(new NodeTextSourceSink(node)),
119 selectedValue,
120 unselectedValue);
121 } else if (map != null) {
122 conn = new MapSourceSink(map, key);
123 } else if (prefs != null) {
124 conn = new PrefSourceSink(prefs, key);
125 }
126
127 XCheckBoxModel cbm = new XCheckBoxModel(conn);
128
129 JCheckBox cb = new JCheckBox();
130 cb.setModel(cbm);
131 return cb;
132 } catch (JellyTagException exc) {
133 throw exc;
134 } catch (Exception exc) {
135 throw new JellyTagException(exc);
136 }
137 }
138
139 public SourceSink getSourceSink() {
140 return conn;
141 }
142 }
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