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1 package org.netbeans.modules.gsf.tools.lexing;
2
3 import java.io.Serializable  ;
4 import javax.swing.JEditorPane ;
5 import javax.swing.event.CaretEvent ;
6 import javax.swing.event.CaretListener ;
7 import javax.swing.text.Document ;
8 import org.netbeans.api.lexer.Language;
9 import org.netbeans.api.lexer.Token;
10 import org.netbeans.api.lexer.TokenHierarchy;
11 import org.netbeans.api.lexer.TokenId;
12 import org.netbeans.api.lexer.TokenSequence;
13 import org.netbeans.modules.editor.NbEditorDocument;
14 import org.openide.ErrorManager;
15 import org.openide.cookies.EditorCookie;
16 import org.openide.loaders.DataObject;
17 import org.openide.nodes.Node;
18 import org.openide.util.NbBundle;
19 import org.openide.windows.TopComponent;
20 import org.openide.windows.WindowManager;
21
23
26 final class TokenSpyTopComponent extends TopComponent {
27 private CaretListener caretListener;
28 private JEditorPane lastPane;
29 private Document lastDocument;
30
31 private static TokenSpyTopComponent instance;
32
33
35 private static final String PREFERRED_ID = "TokenSpyTopComponent";
36
37 private TokenSpyTopComponent() {
38 initComponents();
39 setName(NbBundle.getMessage(TokenSpyTopComponent.class, "CTL_TokenSpyTopComponent"));
40 setToolTipText(NbBundle.getMessage(TokenSpyTopComponent.class, "HINT_TokenSpyTopComponent"));
41 }
43
44
49 private void initComponents() {
51
52 jLabel1 = new javax.swing.JLabel ();
53 idLabel = new javax.swing.JLabel ();
54 jLabel3 = new javax.swing.JLabel ();
55 offsetLabel = new javax.swing.JLabel ();
56 jLabel5 = new javax.swing.JLabel ();
57 lengthLabel = new javax.swing.JLabel ();
58 jLabel7 = new javax.swing.JLabel ();
59 textLabel = new javax.swing.JLabel ();
60 jLabel9 = new javax.swing.JLabel ();
61 languageLabel = new javax.swing.JLabel ();
62 jLabel4 = new javax.swing.JLabel ();
63 parentId = new javax.swing.JLabel ();
64 parentOffset = new javax.swing.JLabel ();
65 jLabel10 = new javax.swing.JLabel ();
66 parentLength = new javax.swing.JLabel ();
67 jLabel12 = new javax.swing.JLabel ();
68 jLabel2 = new javax.swing.JLabel ();
69 parentText = new javax.swing.JLabel ();
70 parentLanguage = new javax.swing.JLabel ();
71 jLabel6 = new javax.swing.JLabel ();
72 jLabel8 = new javax.swing.JLabel ();
73 caretOffset = new javax.swing.JLabel ();
74
75 org.openide.awt.Mnemonics.setLocalizedText(jLabel1, "Token Id:");
76
77 org.openide.awt.Mnemonics.setLocalizedText(jLabel3, "Offset:");
78
79 org.openide.awt.Mnemonics.setLocalizedText(jLabel5, "Length:");
80
81 org.openide.awt.Mnemonics.setLocalizedText(jLabel7, "Text:");
82
83 org.openide.awt.Mnemonics.setLocalizedText(jLabel9, "Language:");
84
85 org.openide.awt.Mnemonics.setLocalizedText(jLabel4, "Embedded Offset:");
86
87 org.openide.awt.Mnemonics.setLocalizedText(parentId, " ");
88
89 org.openide.awt.Mnemonics.setLocalizedText(parentOffset, " ");
90
91 org.openide.awt.Mnemonics.setLocalizedText(jLabel10, "Embedded Length:");
92
93 org.openide.awt.Mnemonics.setLocalizedText(parentLength, " ");
94
95 org.openide.awt.Mnemonics.setLocalizedText(jLabel12, "Embedded Id:");
96
97 org.openide.awt.Mnemonics.setLocalizedText(jLabel2, "Embedded Text:");
98
99 org.openide.awt.Mnemonics.setLocalizedText(parentText, " ");
100
101 org.openide.awt.Mnemonics.setLocalizedText(parentLanguage, " ");
102
103 org.openide.awt.Mnemonics.setLocalizedText(jLabel6, "Embedded Language:");
104
105 org.openide.awt.Mnemonics.setLocalizedText(jLabel8, "CARET OFFSET:");
106
107 org.openide.awt.Mnemonics.setLocalizedText(caretOffset, " ");
108
109 org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(this);
110 this.setLayout(layout);
111 layout.setHorizontalGroup(
112 layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
113 .add(layout.createSequentialGroup()
114 .addContainerGap()
115 .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
116 .add(layout.createSequentialGroup()
117 .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
118 .add(jLabel1)
119 .add(jLabel3)
120 .add(jLabel5)
121 .add(jLabel7)
122 .add(jLabel9))
123 .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
124 .add(layout.createSequentialGroup()
125 .add(26, 26, 26)
126 .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
127 .add(layout.createSequentialGroup()
128 .add(12, 12, 12)
129 .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
130 .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
131 .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
132 .add(layout.createSequentialGroup()
133 .add(50, 50, 50)
134 .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
135 .add(languageLabel)
136 .add(textLabel)
137 .add(lengthLabel)
138 .add(offsetLabel)
139 .add(idLabel))
140 .addContainerGap(342, Short.MAX_VALUE))
141 .add(layout.createSequentialGroup()
142 .add(jLabel2)
143 .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
144 .add(parentText)
145 .addContainerGap()))
146 .add(layout.createSequentialGroup()
147 .add(jLabel4)
148 .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
149 .add(parentOffset)
150 .addContainerGap()))
151 .add(layout.createSequentialGroup()
152 .add(jLabel12)
153 .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
154 .add(parentId)
155 .addContainerGap())))
156 .add(layout.createSequentialGroup()
157 .add(jLabel10)
158 .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
159 .add(parentLength)
160 .addContainerGap())))
161 .add(layout.createSequentialGroup()
162 .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
163 .add(jLabel6)
164 .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
165 .add(parentLanguage)
166 .addContainerGap())))
167 .add(layout.createSequentialGroup()
168 .add(jLabel8)
169 .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
170 .add(caretOffset)
171 .addContainerGap(379, Short.MAX_VALUE))))
172 );
173 layout.setVerticalGroup(
174 layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
175 .add(layout.createSequentialGroup()
176 .addContainerGap()
177 .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
178 .add(jLabel1)
179 .add(idLabel)
180 .add(parentId)
181 .add(jLabel12))
182 .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
183 .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
184 .add(jLabel3)
185 .add(offsetLabel)
186 .add(parentOffset)
187 .add(jLabel4))
188 .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
189 .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
190 .add(jLabel5)
191 .add(lengthLabel)
192 .add(parentLength)
193 .add(jLabel10))
194 .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
195 .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
196 .add(jLabel7)
197 .add(textLabel)
198 .add(parentText)
199 .add(jLabel2))
200 .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
201 .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
202 .add(jLabel9)
203 .add(languageLabel)
204 .add(parentLanguage)
205 .add(jLabel6))
206 .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
207 .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
208 .add(jLabel8)
209 .add(caretOffset))
210 .addContainerGap(144, Short.MAX_VALUE))
211 );
212 }
214
215 private javax.swing.JLabel caretOffset;
217 private javax.swing.JLabel idLabel;
218 private javax.swing.JLabel jLabel1;
219 private javax.swing.JLabel jLabel10;
220 private javax.swing.JLabel jLabel12;
221 private javax.swing.JLabel jLabel2;
222 private javax.swing.JLabel jLabel3;
223 private javax.swing.JLabel jLabel4;
224 private javax.swing.JLabel jLabel5;
225 private javax.swing.JLabel jLabel6;
226 private javax.swing.JLabel jLabel7;
227 private javax.swing.JLabel jLabel8;
228 private javax.swing.JLabel jLabel9;
229 private javax.swing.JLabel languageLabel;
230 private javax.swing.JLabel lengthLabel;
231 private javax.swing.JLabel offsetLabel;
232 private javax.swing.JLabel parentId;
233 private javax.swing.JLabel parentLanguage;
234 private javax.swing.JLabel parentLength;
235 private javax.swing.JLabel parentOffset;
236 private javax.swing.JLabel parentText;
237 private javax.swing.JLabel textLabel;
238
240
245 public static synchronized TokenSpyTopComponent getDefault() {
246 if (instance == null) {
247 instance = new TokenSpyTopComponent();
248 }
249 return instance;
250 }
251
252
255 public static synchronized TokenSpyTopComponent findInstance() {
256 TopComponent win = WindowManager.getDefault().findTopComponent(PREFERRED_ID);
257 if (win == null) {
258 ErrorManager.getDefault().log(ErrorManager.WARNING,
259 "Cannot find MyWindow component. It will not be located properly in the window system.");
260 return getDefault();
261 }
262 if (win instanceof TokenSpyTopComponent) {
263 return (TokenSpyTopComponent)win;
264 }
265 ErrorManager.getDefault().log(ErrorManager.WARNING,
266 "There seem to be multiple components with the '" + PREFERRED_ID +
267 "' ID. That is a potential source of errors and unexpected behavior.");
268 return getDefault();
269 }
270
271 public int getPersistenceType() {
272 return TopComponent.PERSISTENCE_NEVER;
273 }
274
275 public void componentOpened() {
276 }
277
278 public void componentClosed() {
279 }
280
281 @Override
282 public void componentShowing() {
283 Node[] ns = TopComponent.getRegistry().getActivatedNodes();
284
285 if (ns.length != 1) {
286 return;
287 }
288
289 EditorCookie editorCookie = (EditorCookie)ns[0].getLookup().lookup(EditorCookie.class);
291
292 if (editorCookie == null) {
293 return;
294 }
295
296 if (editorCookie.getOpenedPanes() == null) {
297 return;
298 }
299
300 if (editorCookie.getOpenedPanes().length < 1) {
301 return;
302 }
303
304 JEditorPane pane = editorCookie.getOpenedPanes()[0];
305
306 if (caretListener == null) {
307 caretListener = new CListener();
308 }
309
310 if ((lastPane != null) && (lastPane != pane)) {
311 lastPane.removeCaretListener(caretListener);
312 lastPane = null;
313 lastDocument = null;
314 }
315
316 if (lastPane == null) {
317 pane.addCaretListener(caretListener);
318 lastPane = pane;
319 lastDocument = (NbEditorDocument)pane.getDocument();
320 }
321
322 final Document doc = editorCookie.getDocument();
323
324 if ((doc == null) || !(doc instanceof NbEditorDocument)) {
325 return;
326 }
327 }
328
329 @Override
330 public void componentHidden() {
331 if (lastPane != null) {
332 lastPane.removeCaretListener(caretListener);
333 lastPane = null;
334 lastDocument = null;
335 org.openide.awt.StatusDisplayer.getDefault().setStatusText("");
336 }
337 }
338
339
340 public Object writeReplace() {
341 return new ResolvableHelper();
342 }
343
344 protected String preferredID() {
345 return PREFERRED_ID;
346 }
347
348 final static class ResolvableHelper implements Serializable {
349 private static final long serialVersionUID = 1L;
350 public Object readResolve() {
351 return TokenSpyTopComponent.getDefault();
352 }
353 }
354
355 private void show(int caret) {
356 TokenHierarchy th = null;
357 caretOffset.setText(Integer.toString(caret));
358 if (lastDocument != null) {
359 th = TokenHierarchy.get(lastDocument);
360 TokenSequence ts = th.tokenSequence();
361 ts.move(caret);
362 if (ts.moveNext() || ts.movePrevious()) {
363 Token token = ts.token();
364 TokenId id = token.id();
365 idLabel.setText(id.name() + " : " + id.primaryCategory());
366 lengthLabel.setText(Integer.toString(token.length()));
367 String text = token.text().toString();
368 textLabel.setText(text);
369 offsetLabel.setText(Integer.toString(ts.offset()));
370 languageLabel.setText(ts.language().toString());
371
372 if (ts.embedded() != null) {
373 ts = ts.embedded();
374 ts.move(caret);
375 if (ts.moveNext() || ts.movePrevious()) {
376 token = ts.token();
377 id = token.id();
378 parentId.setText(id.name() + " : " + id.primaryCategory());
379 parentLength.setText(Integer.toString(token.length()));
380 text = token.text().toString();
381 parentText.setText(text);
382 parentOffset.setText(Integer.toString(ts.offset()));
383 parentLanguage.setText(ts.language().toString());
384 }
385 } else {
386 parentId.setText("");
387 parentLength.setText("");
388 parentOffset.setText("");
389 parentText.setText("");
390 parentLanguage.setText("");
391 }
392 return;
393 }
394 }
395 idLabel.setText("");
396 lengthLabel.setText("");
397 offsetLabel.setText("");
398 textLabel.setText("");
399 languageLabel.setText("");
400
401 parentId.setText("");
402 parentLength.setText("");
403 parentOffset.setText("");
404 parentText.setText("");
405 }
406
407 private class CListener implements CaretListener {
408 public void caretUpdate(CaretEvent ev) {
409 show(ev.getDot());
410 }
411 }
412
413 }
414 |
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