View Javadoc
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.DefaultListModel; 55 import javax.swing.JComboBox; 56 import javax.swing.ListModel; 57 58 import net.sourceforge.xwing.CachingSourceSink; 59 import net.sourceforge.xwing.dom.NodeListModel; 60 import net.sourceforge.xwing.dom.NodeTextListModel; 61 import net.sourceforge.xwing.dom.NodeTextSourceSink; 62 import net.sourceforge.xwing.swing.XComboBoxModel; 63 64 import org.apache.commons.jelly.JellyTagException; 65 import org.apache.commons.jelly.MissingAttributeException; 66 import org.apache.commons.jelly.XMLOutput; 67 import org.apache.commons.jelly.tags.swing.ComponentTag; 68 import org.apache.commons.lang.StringUtils; 69 import org.jaxen.dom.DOMXPath; 70 import org.w3c.dom.Node; 71 72 // PL: this one will need to find its right way for its documentation... 73 // as all Swing tags... 74 public class ComboBoxTag extends ComponentTag { 75 76 protected Object newInstance( 77 Class theClass, 78 Map attributes, 79 XMLOutput output) 80 throws JellyTagException { 81 82 try { 83 84 Node node = (Node) attributes.remove("node"); 85 String path = (String) attributes.remove("path"); 86 String editableStr = (String) attributes.remove("editable"); 87 String choicesStr = (String) attributes.remove("choices"); 88 Node choicesNode = (Node) attributes.remove("choicesNode"); 89 String choicesPath = (String) attributes.remove("choicesPath"); 90 91 if (node == null) { 92 throw new MissingAttributeException("node"); 93 } 94 95 if ((choicesNode == null) != (choicesPath == null)) { 96 throw new JellyTagException( 97 "choicesNode and choicesPath " 98 + "must be specified together"); 99 } 100 101 if ((choicesStr == null) == (choicesNode == null)) { 102 throw new JellyTagException( 103 "Must specify either choices " 104 + "or (choicesNode and choicesPath)."); 105 } 106 107 boolean editable = 108 editableStr != null 109 && editableStr.toLowerCase().startsWith("t"); 110 111 if (path != null) { 112 node = (Node) new DOMXPath(path).selectSingleNode(node); 113 } 114 115 XComboBoxModel cbm = null; 116 ListModel lm = null; 117 118 if (choicesStr != null) { 119 DefaultListModel dlm = new DefaultListModel(); 120 String[] choices = StringUtils.split(choicesStr, ","); 121 for (int i = 0; i < choices.length; ++i) { 122 dlm.addElement(choices[i].trim()); 123 } 124 lm = dlm; 125 } else { 126 lm = 127 new NodeTextListModel( 128 new NodeListModel( 129 choicesNode, 130 new DOMXPath(choicesPath))); 131 } 132 cbm = 133 new XComboBoxModel( 134 new CachingSourceSink(new NodeTextSourceSink(node)), 135 lm); 136 137 JComboBox cb = new JComboBox(cbm); 138 cb.setEditable(editable); 139 140 return cb; 141 } catch (JellyTagException exc) { 142 throw exc; 143 } catch (Exception exc) { 144 throw new JellyTagException(exc); 145 } 146 } 147 }

This page was automatically generated by Maven