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HistoryComboBox |
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/* ** Luxor - XML User Interface Language (XUL) Toolkit ** Copyright (c) 2001, 2002 by Gerald Bauer ** ** This program is free software. ** ** You may redistribute it and/or modify it under the terms of the GNU ** General Public License as published by the Free Software Foundation. ** Version 2 of the license should be included with this distribution in ** the file LICENSE, as well as License.html. If the license is not ** included with this distribution, you may find a copy at the FSF web ** site at 'www.gnu.org' or 'www.fsf.org', or you may write to the ** Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139 USA. ** ** THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY OF ANY KIND, ** NOT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY. THE AUTHOR ** OF THIS SOFTWARE, ASSUMES _NO_ RESPONSIBILITY FOR ANY ** CONSEQUENCE RESULTING FROM THE USE, MODIFICATION, OR ** REDISTRIBUTION OF THIS SOFTWARE. ** */ package luxor.swing.widget; import java.awt.*; import java.awt.event.*; import javax.swing.*; import luxor.spi.*; import luxor.status.*; public class HistoryComboBox extends JComboBox { static Logger T = Logger.getLogger( HistoryComboBox.class ); /** * note: we cannot use a shared ListModel because ListModel doesn't keep * track of the combo boxes individual selection */ private HistoryComboBoxHelper _helper; public HistoryComboBox( HistoryModel model ) { super(); setEditable( true ); _helper = new HistoryComboBoxHelper( this, model ); // add auto-completion new HistoryComboBoxAgent( this ); } public Object getSelectedItem() { Object obj = super.getSelectedItem(); return obj != null ? obj : ""; } public String getText() { JTextField editor = ( JTextField ) getEditor().getEditorComponent(); String text = editor.getText(); return text != null ? text : ""; } public void populate( String text ) { if( text == null ) text = ""; text = text.trim(); if( text.equals( "" ) ) { _helper.setSelectedItemBackup( text ); setSelectedItem( text ); return; } // add entry to history _helper.add( text ); // repopulate combo box with updated history _helper.populate(); // select new entry _helper.setSelectedItemBackup( text ); setSelectedItem( text ); } }
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HistoryComboBox |
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