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.swing; 51 52 import javax.swing.AbstractListModel; 53 import javax.swing.ComboBoxModel; 54 import javax.swing.ListModel; 55 import javax.swing.event.ChangeEvent; 56 import javax.swing.event.ChangeListener; 57 import javax.swing.event.ListDataListener; 58 59 import net.sourceforge.xwing.SourceSink; 60 61 import org.apache.commons.logging.LogFactory; 62 63 public class XComboBoxModel 64 extends AbstractListModel 65 implements ComboBoxModel { 66 67 private SourceSink selectionConn; 68 private ListModel choicesModel; 69 private Object value; 70 71 public XComboBoxModel(SourceSink selection, ListModel choices) 72 throws Exception { 73 74 choicesModel = choices; 75 selectionConn = selection; 76 77 if (selectionConn != null) { 78 79 selectionConn.addChangeListener(new ChangeListener() { 80 public void stateChanged(ChangeEvent e) { 81 fireContentsChanged(this, -1, -1); 82 } 83 }); 84 } 85 } 86 87 public void setSelectedItem(Object item) { 88 try { 89 if (selectionConn != null) { 90 selectionConn.set(item); 91 } else { 92 value = item; 93 fireContentsChanged(this, -1, -1); 94 } 95 } catch (Exception exc) { 96 LogFactory.getLog(getClass()).error( 97 "Error in setSelectedItem", 98 exc); 99 } 100 } 101 102 public Object getSelectedItem() { 103 try { 104 if (selectionConn != null) { 105 return selectionConn.get(); 106 } else { 107 return value; 108 } 109 } catch (Exception exc) { 110 return null; 111 } 112 } 113 114 public int getSize() { 115 return choicesModel.getSize(); 116 } 117 118 public Object getElementAt(int index) { 119 return choicesModel.getElementAt(index); 120 } 121 122 public void addListDataListener(ListDataListener l) { 123 choicesModel.addListDataListener(l); 124 super.addListDataListener(l); 125 } 126 127 public void removeListDataListener(ListDataListener l) { 128 choicesModel.removeListDataListener(l); 129 super.removeListDataListener(l); 130 } 131 }

This page was automatically generated by Maven