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19
20 package org.netbeans.beaninfo.editors;
21
22 import java.beans.*;
23 import java.awt.Component  ;
24 import java.awt.Font ;
25 import java.awt.GridBagConstraints ;
26 import java.awt.GridBagLayout ;
27 import java.awt.Insets ;
28 import java.awt.event.ActionEvent ;
29 import java.awt.event.ActionListener ;
30 import java.text.MessageFormat ;
31 import java.util.*;
32 import javax.swing.ButtonGroup ;
33 import javax.swing.JLabel ;
34 import javax.swing.JPanel ;
35 import javax.swing.JRadioButton ;
36 import org.netbeans.core.UIExceptions;
37 import org.openide.explorer.propertysheet.ExPropertyEditor;
38 import org.openide.explorer.propertysheet.PropertyEnv;
39 import org.openide.util.NbBundle;
40 import org.openide.util.Lookup;
41 import org.openide.util.Utilities;
42
43
48 public final class ObjectEditor extends PropertyEditorSupport
49 implements ExPropertyEditor {
50
53 private static final String PROP_SUPERCLASS = "superClass";
58 private static final String PROP_NULL = "nullValue";
62 private static final String PROP_LOOKUP = "lookup";
64
65 private ObjectPanel customEditor;
66
67
68 private Lookup.Template<Object > template;
69
70
71 private String nullValue;
72
73
74 private Lookup lookup;
75
76
77 public ObjectEditor() {
78 }
79
80
84 public synchronized void attachEnv(PropertyEnv env) {
85 Object obj = env.getFeatureDescriptor ().getValue (PROP_SUPERCLASS);
86 if (obj instanceof Class ) {
87 @SuppressWarnings ("unchecked") Class <Object > clz = (Class <Object >)obj;
88 template = new Lookup.Template<Object > (clz);
89 } else {
90 template = null;
91 }
92
93 obj = env.getFeatureDescriptor ().getValue (PROP_NULL);
94 if (Boolean.TRUE.equals (obj)) {
95 nullValue = NbBundle.getMessage (ObjectEditor.class, "CTL_NullValue");
96 } else {
97 if (obj instanceof String ) {
98 nullValue = (String )obj;
99 } else {
100 nullValue = null;
101 }
102 }
103
104 obj = env.getFeatureDescriptor ().getValue (PROP_LOOKUP);
105 lookup = obj instanceof Lookup ? (Lookup)obj : null;
106 if (getTags()==null || getTags().length <= 1) {
108 env.getFeatureDescriptor().setValue("canEditAsText",Boolean.FALSE); }
110 }
111
112
115 protected Lookup lookup () {
116 Lookup l = lookup;
117 return l == null ? Lookup.getDefault () : l;
118 }
119
120
122 protected Lookup.Template<Object > template () {
123 if (template == null) {
124 template = new Lookup.Template<Object > (Object .class);
125 }
126
127 return template;
128 }
129
130 public String getAsText() {
131 Object value = getValue ();
132 if (value == null) {
133 return nullValue == null ?
134 NbBundle.getMessage (ObjectEditor.class, "CTL_NullValue")
135 :
136 nullValue;
137 }
138
139 Lookup.Template<Object > t = new Lookup.Template<Object > (
140 template ().getType (),
141 template ().getId (),
142 value );
144 Lookup.Item item = lookup ().lookupItem (t);
145
146 if (item == null) {
147 return NbBundle.getMessage (ObjectEditor.class, "CTL_NullItem");
148 }
149
150 return item.getDisplayName();
151 }
152
153
156 public void setAsText(java.lang.String str) throws java.lang.IllegalArgumentException {
157 if (nullValue != null && nullValue.equals (str)) {
158 setValue (null);
159 return;
160 }
161
162
163 Collection allItems = lookup ().lookup (template ()).allItems ();
164
165 Iterator it = allItems.iterator ();
166 while (it.hasNext ()) {
167 Lookup.Item item = (Lookup.Item)it.next ();
168
169 if (item.getDisplayName().equals (str)) {
170 setValue (item.getInstance ());
171 firePropertyChange();
172 return;
173 }
174 }
175 IllegalArgumentException iae = new IllegalArgumentException (str);
176 String msg = MessageFormat.format(
177 NbBundle.getMessage(
178 ObjectEditor.class, "FMT_EXC_GENERIC_BAD_VALUE"), new Object [] {str});
180 UIExceptions.annotateUser(iae, str, msg, null, new Date());
181 throw iae;
182 }
183
184
187 public java.lang.String [] getTags() {
188 Collection<? extends Lookup.Item<Object >> allItems = lookup ().lookup (template ()).allItems ();
189 if (allItems.size() <= 1) {
190 return null;
191 }
192
193 ArrayList<String > list = new ArrayList<String > (allItems.size () + 1);
194 if (nullValue != null) {
195 list.add (nullValue);
196 }
197
198 for (Lookup.Item<Object > item: allItems) {
199 list.add (item.getDisplayName());
200 }
201
202 String [] retValue = new String [list.size()];
203 list.toArray(retValue);
204 return retValue;
205 }
206
207
209 public boolean supportsCustomEditor() {
210 return getTags()!= null && getTags().length > 1;
212 }
213
214 public synchronized Component getCustomEditor () {
215 if (!supportsCustomEditor()) {
216 return null;
217 }
218 if (customEditor != null) {
219 return customEditor;
220 }
221 Lookup.Result<Object > contents = lookup().lookup(template());
222 ObjectPanel panel = new ObjectPanel(contents);
223 return customEditor = panel;
224 }
225
226 private class ObjectPanel extends JPanel implements ActionListener {
227 public ObjectPanel(Lookup.Result<Object > res) {
228 getAccessibleContext().setAccessibleName(
229 NbBundle.getMessage(ObjectEditor.class,
230 "ACSN_ObjectTree")); getAccessibleContext().setAccessibleDescription(
232 NbBundle.getMessage(ObjectEditor.class, "ACSD_ObjectTree"));
234 setLayout (new GridBagLayout ());
235 GridBagConstraints gbc = new GridBagConstraints ();
236 int row = 0;
237 ButtonGroup bg = new ButtonGroup ();
238 Font bold;
239 Font plain;
240 if (Utilities.isMac()) {
241 bold = new Font (getFont().getName(), Font.BOLD, getFont().getSize());
243 plain = new Font (getFont().getName(), Font.PLAIN, getFont().getSize());
246 } else {
247 bold = getFont().deriveFont(Font.BOLD);
248 plain = getFont().deriveFont(Font.PLAIN);
249 }
250
251 Collection<? extends Lookup.Item<Object >> c = res.allItems();
252 Lookup.Item[] items = new Lookup.Item[c.size()];
253 items = (Lookup.Item[]) c.toArray(items);
254
255 int BASE_LEFT_INSET=7;
256 for (int i=0; i < items.length; i++) {
257 JRadioButton rb = new ItemRadioButton(items[i], bold);
258 if (items[i].getInstance().equals(getValue())) {
259 rb.setSelected(true);
260 }
261 rb.addActionListener(this);
262 bg.add(rb);
263 String description = getDescription(items[i]);
264
265 gbc.gridx=0;
266 gbc.gridy=row;
267 gbc.insets = new Insets (i==0 ? 7 : 0, BASE_LEFT_INSET,
268 description != null ? 1 : i==items.length-1 ? 7: 4, BASE_LEFT_INSET);
269 gbc.fill=gbc.HORIZONTAL;
270 add(rb, gbc);
271 row++;
272 if (description != null) {
273 JLabel lbl = new JLabel (description);
274 lbl.setLabelFor(rb);
275 lbl.setFont(plain);
276 int left = rb.getIcon() != null ? rb.getIcon().getIconWidth() : 20;
277 gbc.insets = new Insets (0, BASE_LEFT_INSET +
278 left, 4, BASE_LEFT_INSET + left);
279 gbc.gridx=0;
280 gbc.gridy=row;
281 add(lbl, gbc);
282 row++;
283 }
284 }
285 }
286
287 private String getDescription (Lookup.Item item) {
288 String id = item.getId ();
289 String result = null;
290 try {
291 result = Introspector.getBeanInfo(item.getInstance().getClass()).getBeanDescriptor().getShortDescription();
292 } catch (IntrospectionException ie) {
293 }
295 String toCheck = item.getInstance().getClass().getName();
296 toCheck = toCheck.lastIndexOf('.')!=-1 ?
297 toCheck.substring(toCheck.lastIndexOf('.')+1) : toCheck; if (toCheck.equals(result)) {
299 result = null;
300 }
301 return result;
302 }
303
304 public void actionPerformed(ActionEvent ae) {
305 Lookup.Item item = ((ItemRadioButton) ae.getSource()).item;
306 Object o = item.getInstance();
307 setValue (item.getInstance());
308 ObjectEditor.this.firePropertyChange();
309 }
310 }
311
312 private static class ItemRadioButton extends JRadioButton {
313 Lookup.Item item;
314 public ItemRadioButton(Lookup.Item item, Font font) {
315 this.item = item;
316 setName(item.getId());
317 setText(item.getDisplayName());
318 setFont(font);
319 getAccessibleContext().setAccessibleName(getName());
320 getAccessibleContext().setAccessibleDescription(
321 getText());
322 }
323 }
324 }
325
326 |
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