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1
21
22
25 package net.sf.launch4j.binding;
26
27 import java.beans.PropertyChangeEvent  ;
28 import java.beans.PropertyChangeListener ;
29 import java.util.HashMap ;
30 import java.util.Iterator ;
31 import java.util.Map ;
32
33 import javax.swing.JComponent ;
34 import javax.swing.JList ;
35 import javax.swing.JRadioButton ;
36 import javax.swing.JTextArea ;
37 import javax.swing.JToggleButton ;
38 import javax.swing.text.JTextComponent ;
39
40 import org.apache.commons.beanutils.PropertyUtils;
41
42
47 public class Bindings implements PropertyChangeListener {
48 private final Map _bindings = new HashMap ();
49 private final Map _optComponents = new HashMap ();
50 private boolean _modified = false;
51
52
55 public void propertyChange(PropertyChangeEvent evt) {
56 String prop = evt.getPropertyName();
57 if ("AccessibleValue".equals(prop)
58 || "AccessibleText".equals(prop)
59 || "AccessibleVisibleData".equals(prop)) {
60 _modified = true;
61 }
62 }
63
64
67 public boolean isModified() {
68 return _modified;
69 }
70
71 public Binding getBinding(String property) {
72 return (Binding) _bindings.get(property);
73 }
74
75 private void registerPropertyChangeListener(JComponent c) {
76 c.getAccessibleContext().addPropertyChangeListener(this);
77 }
78
79 private void registerPropertyChangeListener(JComponent [] cs) {
80 for (int i = 0; i < cs.length; i++) {
81 cs[i].getAccessibleContext().addPropertyChangeListener(this);
82 }
83 }
84
85 private boolean isPropertyNull(IValidatable bean, Binding b) {
86 try {
87 for (Iterator iter = _optComponents.keySet().iterator(); iter.hasNext();) {
88 String property = (String ) iter.next();
89 if (b.getProperty().startsWith(property)) {
90 return PropertyUtils.getProperty(bean, property) == null;
91 }
92 }
93 return false;
94 } catch (Exception e) {
95 throw new BindingException(e);
96 }
97 }
98
99
102 public void setComponentsEnabled(String prefix, boolean enabled) {
103 for (Iterator iter = _bindings.values().iterator(); iter.hasNext();) {
104 Binding b = (Binding) iter.next();
105 if (b.getProperty().startsWith(prefix)) {
106 b.setEnabled(enabled);
107 }
108 }
109 }
110
111
115 public void clear(IValidatable bean) {
116 for (Iterator iter = _optComponents.values().iterator(); iter.hasNext();) {
117 ((Binding) iter.next()).clear(bean);
118 }
119 for (Iterator iter = _bindings.values().iterator(); iter.hasNext();) {
120 ((Binding) iter.next()).clear(bean);
121 }
122 _modified = false;
123 }
124
125
129 public void put(IValidatable bean) {
130 for (Iterator iter = _optComponents.values().iterator(); iter.hasNext();) {
131 ((Binding) iter.next()).put(bean);
132 }
133 for (Iterator iter = _bindings.values().iterator(); iter.hasNext();) {
134 Binding b = (Binding) iter.next();
135 if (isPropertyNull(bean, b)) {
136 b.clear(null);
137 } else {
138 b.put(bean);
139 }
140 }
141 _modified = false;
142 }
143
144
150 public void get(IValidatable bean) {
151 try {
152 for (Iterator iter = _optComponents.values().iterator(); iter.hasNext();) {
153 ((Binding) iter.next()).get(bean);
154 }
155 for (Iterator iter = _bindings.values().iterator(); iter.hasNext();) {
156 Binding b = (Binding) iter.next();
157 if (!isPropertyNull(bean, b)) {
158 b.get(bean);
159 }
160 }
161 bean.checkInvariants();
162 for (Iterator iter = _optComponents.keySet().iterator(); iter.hasNext();) {
163 String property = (String ) iter.next();
164 IValidatable component = (IValidatable) PropertyUtils.getProperty(bean,
165 property);
166 if (component != null) {
167 component.checkInvariants();
168 }
169 }
170 _modified = false; } catch (InvariantViolationException e) {
172 e.setBinding(getBinding(e.getProperty()));
173 throw e;
174 } catch (Exception e) {
175 throw new BindingException(e);
176 }
177 }
178
179 private Bindings add(Binding b) {
180 if (_bindings.containsKey(b.getProperty())) {
181 throw new BindingException(Messages.getString("Bindings.duplicate.binding"));
182 }
183 _bindings.put(b.getProperty(), b);
184 return this;
185 }
186
187
190 public Bindings addOptComponent(String property, Class clazz, JToggleButton c,
191 boolean enabledByDefault) {
192 Binding b = new OptComponentBinding(this, property, clazz, c, enabledByDefault);
193 if (_optComponents.containsKey(property)) {
194 throw new BindingException(Messages.getString("Bindings.duplicate.binding"));
195 }
196 _optComponents.put(property, b);
197 return this;
198 }
199
200
203 public Bindings addOptComponent(String property, Class clazz, JToggleButton c) {
204 return addOptComponent(property, clazz, c, false);
205 }
206
207
210 public Bindings add(String property, JTextComponent c, String defaultValue) {
211 registerPropertyChangeListener(c);
212 return add(new JTextComponentBinding(property, c, defaultValue));
213 }
214
215
218 public Bindings add(String property, JTextComponent c) {
219 registerPropertyChangeListener(c);
220 return add(new JTextComponentBinding(property, c, ""));
221 }
222
223
226 public Bindings add(String property, JToggleButton c, boolean defaultValue) {
227 registerPropertyChangeListener(c);
228 return add(new JToggleButtonBinding(property, c, defaultValue));
229 }
230
231
234 public Bindings add(String property, JToggleButton c) {
235 registerPropertyChangeListener(c);
236 return add(new JToggleButtonBinding(property, c, false));
237 }
238
239
242 public Bindings add(String property, JRadioButton [] cs, int defaultValue) {
243 registerPropertyChangeListener(cs);
244 return add(new JRadioButtonBinding(property, cs, defaultValue));
245 }
246
247
250 public Bindings add(String property, JRadioButton [] cs) {
251 registerPropertyChangeListener(cs);
252 return add(new JRadioButtonBinding(property, cs, 0));
253 }
254
255
258 public Bindings add(String property, JTextArea textArea, String defaultValue) {
259 registerPropertyChangeListener(textArea);
260 return add(new JTextComponentBinding(property, textArea, defaultValue));
261 }
262
263
266 public Bindings add(String property, JTextArea textArea) {
267 registerPropertyChangeListener(textArea);
268 return add(new JTextAreaBinding(property, textArea));
269 }
270
271
274 public Bindings add(String property, String stateProperty,
275 JToggleButton button, JTextArea textArea) {
276 registerPropertyChangeListener(button);
277 registerPropertyChangeListener(textArea);
278 return add(new OptJTextAreaBinding(property, stateProperty, button, textArea));
279 }
280
281
284 public Bindings add(String property, JList list) {
285 registerPropertyChangeListener(list);
286 return add(new JListBinding(property, list));
287 }
288 }
289 |
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