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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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