|
1
19
20
21 package org.netbeans.modules.search.types;
22
23
24 import java.awt.event.HierarchyEvent  ;
25 import java.awt.event.HierarchyListener ;
26 import java.beans.Customizer ;
27 import java.beans.PropertyChangeListener ;
28 import java.util.ArrayList ;
29 import java.util.Collection ;
30 import java.util.Iterator ;
31 import java.util.TreeSet ;
32 import java.util.Enumeration ;
33 import java.util.List ;
34 import java.util.ResourceBundle ;
35 import javax.swing.border.CompoundBorder ;
36 import javax.swing.border.TitledBorder ;
37 import javax.swing.JPanel ;
38
39 import org.openide.ErrorManager;
40 import org.openide.awt.Mnemonics;
41 import org.openide.loaders.DataLoader;
42 import org.openide.loaders.DataLoaderPool;
43 import org.openide.util.Lookup;
44 import org.openide.util.NbBundle;
45
46
47
53 public class ObjectTypeCustomizer extends JPanel implements Customizer ,
54 HierarchyListener {
55
56
61 private static final String FOLDER_LOADER_NAME
62 = "org.openide.loaders.DataFolder";
64
65 private ObjectTypeType peer;
66
67
68 private boolean setting = false;
69
73 private boolean discovered = false;
74
75
80 private transient Collection loaders;
81
82
83
84 public ObjectTypeCustomizer() {
85 initComponents();
86 initAccessibility();
87 addHierarchyListener(this);
88 TitledBorder tb = new TitledBorder (NbBundle.getBundle(ObjectTypeCustomizer.class).getString("TEXT_LABEL_OBJECT_TYPE"));
89
90 tb.setBorder(new CompoundBorder ());
91 setBorder (tb);
92 }
93
94 private void initAccessibility() {
95 ResourceBundle bundle = NbBundle.getBundle(ObjectTypeCustomizer.class);
96 this.getAccessibleContext().setAccessibleDescription(bundle.getString("TEXT_LABEL_OBJECT_TYPE"));
97 typeList.getAccessibleContext().setAccessibleName(bundle.getString("ACSN_TypeList"));
98 typeList.getAccessibleContext().setAccessibleDescription(bundle.getString("ACSD_TypeList"));
99 jScrollPane1.getHorizontalScrollBar().getAccessibleContext()
100 .setAccessibleName(bundle.getString("ACSN_HScrollBar")); jScrollPane1.getVerticalScrollBar().getAccessibleContext()
102 .setAccessibleName(bundle.getString("ACSN_VScrollBar")); }
104
105
110 private void initComponents() { lblType = new javax.swing.JLabel ();
112 jScrollPane1 = new javax.swing.JScrollPane ();
113 typeList = new javax.swing.JList ();
114
115 setLayout(new java.awt.BorderLayout (0, 6));
116
117 lblType.setLabelFor(typeList);
118 Mnemonics.setLocalizedText(lblType, NbBundle.getMessage(ObjectTypeCustomizer.class, "LBL_Type"));
119 add(lblType, java.awt.BorderLayout.NORTH);
120
121 typeList.addListSelectionListener(new javax.swing.event.ListSelectionListener () {
122 public void valueChanged(javax.swing.event.ListSelectionEvent evt) {
123 typeListValueChanged(evt);
124 }
125 });
126
127 jScrollPane1.setViewportView(typeList);
128
129 add(jScrollPane1, java.awt.BorderLayout.CENTER);
130
131 }
133 private void typeListValueChanged (javax.swing.event.ListSelectionEvent evt) { if (setting) {
135 return;
137 }
138 if (loaders == null) {
139 peer.setMask(new Class [0]);
140 return;
141 }
142
143 List toret = new ArrayList ();
144 Object [] sel = typeList.getSelectedValues();
145
146 for (Iterator i = loaders.iterator(); i.hasNext(); ) {
147 DataLoader nextLoader = (DataLoader) i.next();
148 String id = nextLoader.getDisplayName();
149
150 if (id == null) {
151 continue; }
153 for (int j = 0; j < sel.length; j++) {
154 if (sel[j] == null) {
155 continue; }
157 if (id.equals((String ) sel[j])) {
158 toret.add(nextLoader);
159 break;
160 }
161 }
162 }
163
164 Class [] ret = new Class [toret.size()];
165
166 Iterator it = toret.iterator();
167 int k = 0;
168 while (it.hasNext()) {
169 ret[k++] = it.next().getClass();
170 }
171
172 peer.setMask(ret);
173 }
175
176 private javax.swing.JScrollPane jScrollPane1;
178 private javax.swing.JLabel lblType;
179 private javax.swing.JList typeList;
180
182 public void setObject(Object obj) {
184 peer = (ObjectTypeType) obj;
185 }
186
187
190 private void loadObjectTypes() {
191 assert loaders == null;
192
193 setting = true;
194 try {
195
196 Enumeration en = ((DataLoaderPool) Lookup.getDefault().lookup(DataLoaderPool.class))
197 .allLoaders();
198
199 TreeSet types = new TreeSet ();
201
202 ArrayList selected = new ArrayList ();
203
204 boolean folderLoaderFound = false;
205
206 Class [] mask = peer.getMask();
207 if ((mask != null) && (mask.length == 0)) {
208 mask = null;
209 }
210 int loadersToFind = (mask != null) ? mask.length : 0;
211
212 loaders = new ArrayList ();
213 while (en.hasMoreElements()) {
214 DataLoader nextLoader = (DataLoader) en.nextElement();
215 loaders.add(nextLoader);
216
217
221 if (!folderLoaderFound) {
222 if (FOLDER_LOADER_NAME
223 .equals(nextLoader.getRepresentationClassName())) {
224 folderLoaderFound = true;
225 continue;
226 }
227 }
228
229 String displayName;
230 try {
231 displayName = nextLoader.getDisplayName();
232 } catch (Exception ex) {
233 ErrorManager.getDefault().notify(ErrorManager.WARNING, ex);
234 continue;
235 }
236 if (displayName == null) {
237 continue;
238 }
239 types.add(displayName);
240
241 if (loadersToFind > 0) {
243 Class repreClass = nextLoader.getRepresentationClass();
244 if (repreClass != null) {
245 for (int j = 0; j < mask.length; j++) {
246 if (mask[j] == null) {
247 continue;
248 }
249 DataLoader loader = DataLoader.getLoader(mask[j]);
250 if (loader != null && repreClass.equals(loader.getRepresentationClass())) {
251 selected.add(displayName);
252 loadersToFind--;
253 mask[j] = null;
254 break;
255 }
256 }
257 }
258 }
259 }
260 ((ArrayList ) loaders).trimToSize();
261
262 typeList.setListData((String []) types.toArray(new String [types.size()]));
264
265 if (selected.size() > 0) {
266 int[] indexes = new int[selected.size()];
267
268 ArrayList typesList = new ArrayList (types);
269 for (int i = 0; i < indexes.length; i++) {
270 indexes[i] = typesList.indexOf(selected.get(i));
271 }
272 typeList.setSelectedIndices(indexes);
273 }
274 } catch (Exception e) {
275 ErrorManager.getDefault().notify(ErrorManager.INFORMATIONAL, e);
276 } finally {
277 setting = false;
278 }
279
280 }
281
282
283 public void addPropertyChangeListener(PropertyChangeListener p1) {}
284
285
286 public void removePropertyChangeListener(PropertyChangeListener p1) {}
287
288
292 public void hierarchyChanged(HierarchyEvent e) {
293 if (discovered) {
294 return;
295 }
296
297 if (((e.getChangeFlags() & HierarchyEvent.SHOWING_CHANGED) != 0)
298 && isShowing()) {
299 discovered = true;
300 loadObjectTypes();
301 }
302 }
303
304
305 public void requestFocus() {
306 typeList.requestFocus();
307 }
308
309
310 }
311 |
Popular Tags |
Java API By Example, From Geeks To Geeks.