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1
21
22
25 package net.sf.launch4j.binding;
26
27 import java.awt.Color  ;
28 import java.awt.event.ActionEvent ;
29 import java.awt.event.ActionListener ;
30 import java.util.ArrayList ;
31 import java.util.List ;
32
33 import javax.swing.JTextArea ;
34 import javax.swing.JToggleButton ;
35
36 import org.apache.commons.beanutils.BeanUtils;
37 import org.apache.commons.beanutils.PropertyUtils;
38
39
42 public class OptJTextAreaBinding implements Binding, ActionListener {
43 private final String _property;
44 private final String _stateProperty;
45 private final JToggleButton _button;
46 private final JTextArea _textArea;
47 private final Color _validColor;
48
49 public OptJTextAreaBinding(String property, String stateProperty,
50 JToggleButton button, JTextArea textArea) {
51 if (property == null || button == null || textArea == null) {
52 throw new NullPointerException ();
53 }
54 if (property.equals("")) {
55 throw new IllegalArgumentException ();
56 }
57 _property = property;
58 _stateProperty = stateProperty;
59 _button = button;
60 _textArea = textArea;
61 _validColor = _textArea.getBackground();
62 button.addActionListener(this);
63 }
64
65 public String getProperty() {
66 return _property;
67 }
68
69 public void clear(IValidatable bean) {
70 put(bean);
71 }
72
73 public void put(IValidatable bean) {
74 try {
75 boolean selected = "true".equals(BeanUtils.getProperty(bean,
76 _stateProperty));
77 _button.setSelected(selected);
78 _textArea.setEnabled(selected);
79 List list = (List ) PropertyUtils.getProperty(bean, _property);
80 StringBuffer sb = new StringBuffer ();
81 if (list != null) {
82 for (int i = 0; i < list.size(); i++) {
83 sb.append(list.get(i));
84 if (i < list.size() - 1) {
85 sb.append("\n");
86 }
87 }
88 }
89 _textArea.setText(sb.toString());
90 } catch (Exception e) {
91 throw new BindingException(e);
92 }
93 }
94
95 public void get(IValidatable bean) {
96 try {
97 String text = _textArea.getText();
98 if (_button.isSelected() && !text.equals("")) {
99 String [] items = text.split("\n");
100 List list = new ArrayList ();
101 for (int i = 0; i < items.length; i++) {
102 list.add(items[i]);
103 }
104 PropertyUtils.setProperty(bean, _property, list);
105 } else {
106 PropertyUtils.setProperty(bean, _property, null);
107 }
108 } catch (Exception e) {
109 throw new BindingException(e);
110 }
111 }
112
113 public void markValid() {
114 _textArea.setBackground(_validColor);
115 _textArea.requestFocusInWindow();
116 }
117
118 public void markInvalid() {
119 _textArea.setBackground(Binding.INVALID_COLOR);
120 }
121
122 public void setEnabled(boolean enabled) {
123 _textArea.setEnabled(enabled);
124 }
125
126 public void actionPerformed(ActionEvent e) {
127 _textArea.setEnabled(_button.isSelected());
128 }
129 }
130 |
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