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 javax.swing.JTable;
53 import javax.swing.event.ListSelectionEvent;
54 import javax.swing.event.ListSelectionListener;
55
56 import org.apache.commons.jelly.JellyContext;
57 import org.apache.commons.jelly.JellyTagException;
58 import org.apache.commons.jelly.Script;
59 import org.apache.commons.jelly.TagSupport;
60 import org.apache.commons.jelly.XMLOutput;
61 import org.apache.commons.logging.LogFactory;
62
63 public class TableSelectionListenerTag extends TagSupport {
64
65 private String eventVar;
66 private Script script;
67 private JTable table;
68
69 public void doTag(final XMLOutput output) throws JellyTagException {
70
71 if (table == null) {
72 TableTag tag = (TableTag) findAncestorWithClass(TableTag.class);
73 if (tag != null) {
74 table = tag.getTable();
75 }
76 }
77
78 if (table != null) {
79 ListSelectionListener l =
80 new ScriptListSelectionListener(
81 table,
82 script == null ? getBody() : script,
83 context,
84 eventVar);
85
86 table.getSelectionModel().addListSelectionListener(l);
87 }
88 }
89
90 public void setEventVar(String var) {
91 this.eventVar = var;
92 }
93
94 public void setScript(Script script) {
95 this.script = script;
96 }
97
98 public void setTable(JTable table) {
99 this.table = table;
100 }
101 }
102
103 class ScriptListSelectionListener implements ListSelectionListener {
104 private JellyContext context;
105 private String eventVar;
106 private Script script;
107 private JTable table;
108
109 public ScriptListSelectionListener(
110 JTable table,
111 Script script,
112 JellyContext context,
113 String eventVar) {
114
115 this.table = table;
116 this.script = script;
117 this.context = context;
118 this.eventVar = eventVar;
119 }
120
121 public void valueChanged(ListSelectionEvent e) {
122 if (eventVar != null) {
123 context.setVariable(eventVar, e);
124 }
125
126 try {
127 script.run(context, XMLOutput.createDummyXMLOutput());
128 } catch (Exception exc) {
129 LogFactory.getLog(getClass()).error("Error in valueChanged", exc);
130 }
131 if (eventVar != null) {
132 context.removeVariable(eventVar);
133 }
134 }
135 }
This page was automatically generated by Maven