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1 package com.opensymphony.workflow.designer.beanutils;
2
3 import javax.swing.*;
4 import javax.swing.event.ChangeListener  ;
5 import javax.swing.event.ChangeEvent ;
6 import javax.swing.event.ListSelectionListener ;
7 import javax.swing.event.ListSelectionEvent ;
8 import java.awt.*;
9 import java.awt.event.*;
10 import java.util.HashMap ;
11 import java.util.Iterator ;
12 import java.util.Map ;
13 import java.text.ParseException ;
14
15
18 public class BeanConnector
19 {
20 Object source;
21
22 Map mappings = new HashMap ();
23
24 public BeanConnector(Object aSource)
25 {
26 source = aSource;
27 }
28
29 public BeanConnector()
30 {
31 }
32
33 public void setSource(Object aSource)
34 {
35 source = aSource;
36
37 update();
38 }
39
40 public void update()
41 {
42 for(Iterator iterator = mappings.entrySet().iterator(); iterator.hasNext();)
44 {
45 Map.Entry entry = (Map.Entry )iterator.next();
46 getProperty((Component)entry.getKey());
47 }
48 }
49
50 public Object getSource()
51 {
52 return source;
53 }
54
55 public Component connect(final Component aComponent, final String aName)
56 {
57 mappings.put(aComponent, aName);
58
59 if(source != null)
60 {
61 getProperty(aComponent);
62 }
63
64 if(aComponent instanceof JSpinner)
66 {
67 ((JSpinner)aComponent).addChangeListener(new ChangeListener ()
68 {
69 public void stateChanged(ChangeEvent e)
70 {
71 setProperty(aComponent);
72 }
73 });
74 }
75 else if(aComponent instanceof JList)
76 {
77 ((JList)aComponent).addListSelectionListener(new ListSelectionListener ()
78 {
79 public void valueChanged(ListSelectionEvent e)
80 {
81 setProperty(aComponent);
82 }
83 });
84 }
85 else if(aComponent instanceof JComboBox)
86 {
87 ((JComboBox)aComponent).addActionListener(new ActionListener()
88 {
89 public void actionPerformed(ActionEvent e)
90 {
91 setProperty(aComponent);
92 }
93 });
94 }
95 else if(aComponent instanceof JComponent)
96 {
97 aComponent.addFocusListener(new FocusListener()
98 {
99 public void focusGained(FocusEvent e)
100 {
101
102 }
103
104 public void focusLost(FocusEvent e)
105 {
106 setProperty(e.getComponent());
107 }
108 });
109 }
110
111 return aComponent;
112 }
113
114 public void setProperty(Component comp)
115 {
116 String name = (String )mappings.get(comp);
117 Object value = null;
118 if(comp instanceof JFormattedTextField)
119 {
120 try
121 {
122 value = ((JFormattedTextField)comp).getFormatter().stringToValue(((JFormattedTextField)comp).getText());
123 }
124 catch(ParseException e)
125 {
126 e.printStackTrace();
127 return;
128 }
129 }
130 else if(comp instanceof JTextField)
131 {
132 value = ((JTextField)comp).getText();
133 }
134 else if(comp instanceof JSpinner)
135 {
136 value = ((JSpinner)comp).getValue();
137 }
138 else if(comp instanceof JRadioButton)
139 {
140 JRadioButton button = (JRadioButton)comp;
141 if(!button.isSelected())
142 return;
143 value = button.getActionCommand();
144 }
145 else if(comp instanceof JCheckBox)
146 {
147 value = new Boolean (((JCheckBox)comp).isSelected());
148 }
149 else if(comp instanceof JList)
150 {
151 value = new Integer (((JList)comp).getSelectedIndex());
152 }
153 else if(comp instanceof JComboBox)
154 {
155 value = ((JComboBox)comp).getSelectedItem();
156 }
157
158 if(source instanceof Map )
159 {
160 if(value == null)
161 ((Map )source).remove(name);
162 else
163 ((Map )source).put(name, value);
164 }
165 else
166 {
167 try
168 {
169 PropertyUtils.setProperty(source, name, value);
170 }
171 catch(IllegalArgumentException e)
172 {
173 try
174 {
175 PropertyUtils.setProperty(source, name, value.toString());
176 }
177 catch(Exception e1)
178 {
179 e1.printStackTrace();
180 }
181 }
182 catch(IndexOutOfBoundsException e)
183 {
184 e.printStackTrace();
185 }
186 catch(Exception e)
187 {
188 e.printStackTrace();
189 }
190 }
191 }
192
193 public void getProperty(Component comp)
194 {
195 try
196 {
197 String name = (String )mappings.get(comp);
198 if(name == null)
199 return;
200 Object value;
201 if(source instanceof Map )
202 {
203 value = ((Map )source).get(name);
204 }
205 else
206 {
207 try
209 {
210 value = PropertyUtils.getProperty(source, name);
211 }
212 catch(NullPointerException ex)
213 {
214 value = null;
215 }
216 catch(NoSuchMethodException ex)
217 {
218 value = null;
219 }
220 catch(IndexOutOfBoundsException ex)
221 {
222 value = null;
223 }
224 }
225
226
228 if(comp instanceof JFormattedTextField)
229 {
230 if(value == null)
231 {
232 ((JFormattedTextField)comp).setText("");
233 }
234 else
235 ((JFormattedTextField)comp).setValue(value);
236 }
237 else if(comp instanceof JTextField)
238 {
239 if(value == null)
240 value = "";
241 ((JTextField)comp).setText(value.toString());
242 }
243 else if(comp instanceof JSpinner)
244 {
245 if(value != null)
246 ((JSpinner)comp).setValue(value);
247 }
248 else if(comp instanceof JRadioButton)
249 {
250 if(value == null)
251 value = Boolean.FALSE;
252
253 if(((JRadioButton)comp).getActionCommand().equals(value.toString()))
254 ((JRadioButton)comp).setSelected(true);
255 }
256 else if(comp instanceof JCheckBox)
257 {
258 if(value == null)
259 value = Boolean.FALSE;
260
261 ((JCheckBox)comp).setSelected(new Boolean (value.toString()).booleanValue());
262 }
263 else if(comp instanceof JList)
264 {
265 if(value == null)
266 value = "0";
267 ((JList)comp).setSelectedIndex(Integer.parseInt(value.toString()));
268 }
269 else if(comp instanceof JComboBox)
270 {
271 if(value == null)
272 value = "0";
273 ((JComboBox)comp).setSelectedItem(value);
274 }
275 else if(comp instanceof JLabel)
276 {
277 if(value == null)
278 value = "";
279 ((JLabel)comp).setText(value.toString());
280 }
281 }
282 catch(Exception e)
283 {
284 e.printStackTrace();
285 }
286 }
287 }
288 |
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