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1
21
22
25 package net.sf.launch4j.binding;
26
27 import java.awt.Color  ;
28
29 import javax.swing.JRadioButton ;
30
31 import org.apache.commons.beanutils.PropertyUtils;
32
33
36 public class JRadioButtonBinding implements Binding {
37 private final String _property;
38 private final JRadioButton [] _buttons;
39 private final int _defaultValue;
40 private final Color _validColor;
41
42 public JRadioButtonBinding(String property, JRadioButton [] buttons, int defaultValue) {
43 if (property == null || buttons == null) {
44 throw new NullPointerException ();
45 }
46 for (int i = 0; i < buttons.length; i++) {
47 if (buttons[i] == null) {
48 throw new NullPointerException ();
49 }
50 }
51 if (property.equals("")
52 || buttons.length == 0
53 || defaultValue < 0 || defaultValue >= buttons.length) {
54 throw new IllegalArgumentException ();
55 }
56 _property = property;
57 _buttons = buttons;
58 _defaultValue = defaultValue;
59 _validColor = buttons[0].getBackground();
60 }
61
62 public String getProperty() {
63 return _property;
64 }
65
66 public void clear(IValidatable bean) {
67 select(_defaultValue);
68 }
69
70 public void put(IValidatable bean) {
71 try {
72 Integer i = (Integer ) PropertyUtils.getProperty(bean, _property);
73 if (i == null) {
74 throw new BindingException(
75 Messages.getString("JRadioButtonBinding.property.null"));
76 }
77 select(i.intValue());
78 } catch (Exception e) {
79 throw new BindingException(e);
80 }
81 }
82
83 public void get(IValidatable bean) {
84 try {
85 for (int i = 0; i < _buttons.length; i++) {
86 if (_buttons[i].isSelected()) {
87 PropertyUtils.setProperty(bean, _property, new Integer (i));
88 return;
89 }
90 }
91 throw new BindingException(
92 Messages.getString("JRadioButtonBinding.nothing.selected"));
93 } catch (Exception e) {
94 throw new BindingException(e);
95 }
96 }
97
98 private void select(int index) {
99 if (index < 0 || index >= _buttons.length) {
100 throw new BindingException(
101 Messages.getString("JRadioButtonBinding.index.out.of.bounds"));
102 }
103 _buttons[index].setSelected(true);
104 }
105
106 public void markValid() {
107 for (int i = 0; i < _buttons.length; i++) {
108 if (_buttons[i].isSelected()) {
109 _buttons[i].setBackground(_validColor);
110 _buttons[i].requestFocusInWindow();
111 return;
112 }
113 }
114 throw new BindingException(
115 Messages.getString("JRadioButtonBinding.nothing.selected"));
116 }
117
118 public void markInvalid() {
119 for (int i = 0; i < _buttons.length; i++) {
120 if (_buttons[i].isSelected()) {
121 _buttons[i].setBackground(Binding.INVALID_COLOR);
122 return;
123 }
124 }
125 throw new BindingException(
126 Messages.getString("JRadioButtonBinding.nothing.selected"));
127 }
128
129 public void setEnabled(boolean enabled) {
130 for (int i = 0; i < _buttons.length; i++) {
131 _buttons[i].setEnabled(enabled);
132 }
133 }
134 }
135 |
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