001: /*
002: Launch4j (http://launch4j.sourceforge.net/)
003: Cross-platform Java application wrapper for creating Windows native executables.
004:
005: Copyright (c) 2007 Ian Roberts
006:
007: All rights reserved.
008:
009: Redistribution and use in source and binary forms, with or without modification,
010: are permitted provided that the following conditions are met:
011:
012: * Redistributions of source code must retain the above copyright notice,
013: this list of conditions and the following disclaimer.
014: * Redistributions in binary form must reproduce the above copyright notice,
015: this list of conditions and the following disclaimer in the documentation
016: and/or other materials provided with the distribution.
017: * Neither the name of the Launch4j nor the names of its contributors
018: may be used to endorse or promote products derived from this software without
019: specific prior written permission.
020:
021: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
022: "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
023: LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
024: A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
025: CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
026: EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
027: PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
028: PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
029: LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
030: NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
031: SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
032: */
033:
034: /*
035: * Created on May 10, 2005
036: */
037: package net.sf.launch4j.binding;
038:
039: import java.awt.Color;
040:
041: import javax.swing.JComboBox;
042:
043: import org.apache.commons.beanutils.PropertyUtils;
044:
045: /**
046: * @author Copyright (C) 2007 Ian Roberts
047: */
048: public class JComboBoxBinding implements Binding {
049: private final String _property;
050: private final JComboBox _combo;
051: private final int _defaultValue;
052: private final Color _validColor;
053:
054: public JComboBoxBinding(String property, JComboBox combo,
055: int defaultValue) {
056: if (property == null || combo == null) {
057: throw new NullPointerException();
058: }
059: if (property.equals("") || combo.getItemCount() == 0
060: || defaultValue < 0
061: || defaultValue >= combo.getItemCount()) {
062: throw new IllegalArgumentException();
063: }
064: _property = property;
065: _combo = combo;
066: _defaultValue = defaultValue;
067: _validColor = combo.getBackground();
068: }
069:
070: public String getProperty() {
071: return _property;
072: }
073:
074: public void clear(IValidatable bean) {
075: select(_defaultValue);
076: }
077:
078: public void put(IValidatable bean) {
079: try {
080: Integer i = (Integer) PropertyUtils.getProperty(bean,
081: _property);
082: if (i == null) {
083: throw new BindingException(Messages
084: .getString("JComboBoxBinding.property.null"));
085: }
086: select(i.intValue());
087: } catch (Exception e) {
088: throw new BindingException(e);
089: }
090: }
091:
092: public void get(IValidatable bean) {
093: try {
094: PropertyUtils.setProperty(bean, _property, new Integer(
095: _combo.getSelectedIndex()));
096: return;
097: } catch (Exception e) {
098: throw new BindingException(e);
099: }
100: }
101:
102: private void select(int index) {
103: if (index < 0 || index >= _combo.getItemCount()) {
104: throw new BindingException(Messages
105: .getString("JComboBoxBinding.index.out.of.bounds"));
106: }
107: _combo.setSelectedIndex(index);
108: }
109:
110: public void markValid() {
111: _combo.setBackground(_validColor);
112: _combo.requestFocusInWindow();
113: }
114:
115: public void markInvalid() {
116: _combo.setBackground(Binding.INVALID_COLOR);
117: }
118:
119: public void setEnabled(boolean enabled) {
120: _combo.setEnabled(enabled);
121: }
122: }
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