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19
20
25
26 package org.netbeans.modules.css.editor;
27
28 import java.util.logging.Logger  ;
29 import org.netbeans.api.lexer.Language;
30 import org.netbeans.api.lexer.TokenId;
31 import org.netbeans.modules.css.loader.CssDataObject;
32 import org.netbeans.modules.css.visual.model.CssMetaModel;
33 import org.netbeans.modules.css.visual.model.CssStyleData;
34 import org.netbeans.modules.css.visual.parser.CssStyleParser;
35 import java.awt.Color ;
36 import java.beans.PropertyChangeEvent ;
37 import java.beans.PropertyChangeListener ;
38 import java.io.IOException ;
39 import javax.swing.JEditorPane ;
40 import javax.swing.SwingUtilities ;
41 import javax.swing.event.CaretEvent ;
42 import javax.swing.event.CaretListener ;
43 import javax.swing.event.DocumentEvent ;
44 import javax.swing.event.DocumentListener ;
45 import javax.swing.text.BadLocationException ;
46 import javax.swing.text.Document ;
47 import javax.swing.text.SimpleAttributeSet ;
48 import javax.swing.text.Style ;
49 import javax.swing.text.StyleConstants ;
50 import javax.swing.text.StyledDocument ;
51 import org.netbeans.api.lexer.TokenHierarchy;
52 import org.netbeans.api.lexer.TokenSequence;
53 import org.netbeans.editor.BaseDocument;
54 import org.netbeans.editor.TokenItem;
55 import org.netbeans.spi.lexer.LanguageProvider;
56 import org.openide.cookies.EditCookie;
57 import org.openide.cookies.EditorCookie;
58 import org.openide.cookies.OpenCookie;
59 import org.openide.cookies.PrintCookie;
60 import org.openide.cookies.SaveCookie;
61 import org.openide.filesystems.FileLock;
62 import org.openide.filesystems.FileObject;
63 import org.openide.text.CloneableEditor;
64 import org.openide.text.DataEditorSupport;
65 import org.openide.text.NbDocument;
66 import org.openide.windows.CloneableOpenSupport;
67
68
69
74 public class CssEditorSupport extends DataEditorSupport implements OpenCookie, EditCookie,
75 EditorCookie.Observable, PrintCookie, PropertyChangeListener {
76
77 private final SimpleAttributeSet ATTR_ADD = new SimpleAttributeSet ();
78 private final SimpleAttributeSet ATTR_REMOVE = new SimpleAttributeSet ();
79
80 CssDataObject cssDataObject = null;
81
82 int currentOffset = -1;
83 int currentLength = -1;
84 int currentHighlightStart = -1;
85 int currentHighlightEnd = -1;
86
87 EditorCookie editorCookie = null;
88
89 boolean highLighted = false;
90
91 private CssCustomEditor cssCustomEditor = null;
92 private CssCloneableEditor cssCloneableEditor = null;
93
94 private JEditorPane activePane;
95
96
97 private final SaveCookie saveCookie = new SaveCookie() {
98 public void save() throws IOException {
99 CssEditorSupport.this.saveDocument();
100 CssEditorSupport.this.getDataObject().setModified(false);
101 }
102 };
103
104
105 public CssEditorSupport(CssDataObject dataObject) {
106 super(dataObject, new CssEnvironment(dataObject));
107 cssDataObject = dataObject;
108 addPropertyChangeListener(this);
109 ATTR_ADD.addAttribute(StyleConstants.Background, Color.red);
110 ATTR_REMOVE.addAttribute(StyleConstants.Background, Color.white);
111 }
112
113
116 protected boolean notifyModified() {
117 if (!super.notifyModified()) return false;
118 cssDataObject.addSaveCookie(saveCookie);
119 return true;
120 }
121
122 public void updateRules(){
123 }
127
128
131 protected void notifyUnmodified() {
132 super.notifyUnmodified();
133 cssDataObject.removeSaveCookie(saveCookie);
134 }
135
136 protected CloneableEditor createCloneableEditor() {
137 return new CssCloneableEditor(this);
138 }
139
140
146 public void propertyChange(PropertyChangeEvent evt){
147 if (evt.getPropertyName().equals(EditorCookie.Observable.PROP_OPENED_PANES)){
148 CssMetaModel.setDataObject(cssDataObject);
149 JEditorPane [] panes = this.getOpenedPanes();
151 if (panes != null){
152 activePane = panes[0];
153 if(activePane != null){
154 cssCustomEditor = getCssCustomEditor(activePane);
155 cssCloneableEditor = getCssCloneableEditor(activePane);
156 if(cssCustomEditor != null) {
157 cssCustomEditor.setDataObject(cssDataObject);
158 }else{
159 System.out.println("CssEditorSupport.propertyChange - Warning! CSS Custome Editor Can not be null. Check! - Winston");
160 }
161 if(cssCloneableEditor != null) {
162 cssCloneableEditor.requestActive();
163 cssCloneableEditor.setDataObject(cssDataObject);
164 }else{
165 System.out.println("CssEditorSupport.propertyChange - Warning! CSS Cloneable Editor Can not be null. Check! - Winston");
166 }
167
168 activePane.addCaretListener(new CaretListener () {
170 public void caretUpdate(CaretEvent ce) {
171 if(ce.getSource() instanceof JEditorPane ){
172 JEditorPane edPane = (JEditorPane )ce.getSource();
173 setActiveNode(edPane.getDocument(), ce.getDot(), false);
174 }
175 }
176 });
177
178 Document doc = activePane.getDocument();
179
181 doc.addDocumentListener(new DocumentListener (){
182 public void insertUpdate(DocumentEvent de){
183 setActiveNode(de.getDocument(), activePane.getCaret().getDot(), true);
184 }
187 public void removeUpdate(DocumentEvent de){
188 setActiveNode(de.getDocument(), activePane.getCaret().getDot(), true);
189 }
192 public void changedUpdate(DocumentEvent de){
193 }
194 });
195
196 try{
198 if(doc.getLength() > 0){
199 boolean searchDone = false;
200 String searchText;
201 int searchPos = 0;
202 do{
203 searchText = doc.getText(searchPos, 1);
204 if (searchText.equals("{")){
205 if(!isInComment(doc, searchPos)) {
206 break;
207 }
208 }
213 searchPos++;
214 if(searchPos > doc.getLength()) break;
215 }while(!searchDone);
216
217 if(doc.getLength() > (searchPos + 1)){
218 activePane.getCaret().setDot(searchPos + 2);
219 }
220 }
221 }catch(BadLocationException ble){
222
223 }
224 }
225 }
226 }
227 }
228
229 private boolean isInComment(Document doc, int dotPos) {
230 Language cssl = Language.find("text/x-css");
232 if(cssl != null) {
233 TokenId cssCommentTI = cssl.tokenId("css_comment");
235 if(cssCommentTI != null) {
236
237 TokenHierarchy th = TokenHierarchy.get(doc);
238 TokenSequence ts = th.tokenSequence();
239 ts.move(dotPos);
240 if(ts.moveNext()) {
241 if(ts.token().id() == cssCommentTI) {
242 return true; }
244 }
245 } else {
246 Logger.getLogger(this.getClass().getName()).info("No text/x-css language doesn't contain 'css_comment' token ID!");
247 }
248 } else {
249 Logger.getLogger(this.getClass().getName()).info("No text/x-css language found!");
250 }
251 return false;
252 }
253
254
258 private void setActiveNode(final Document doc, int dotPos, boolean reparse){
259 if(isInComment(doc, dotPos)) {
261 return ;
262 }
263
264 int initialPos = -1;
272 int lastPos = -1;
273 int searchPos = -1;
274 if((currentOffset != -1) && (currentLength != -1) && !reparse){
275 if ((dotPos >= currentOffset) && (dotPos <= (currentOffset + currentLength))){
276 highlight((StyledDocument )doc, currentOffset, currentLength);
277 return;
278 }
279 }
280 try {
281 searchPos = (dotPos -1) < 0 ? 0 : dotPos -1;
282 String txtBefore = doc.getText(searchPos, 1);
283 while(!txtBefore.equals("{")){
284 searchPos--;
285 if((searchPos < 0) || txtBefore.equals("}")) break;
286 txtBefore = doc.getText(searchPos, 1);
287 }
288 if(txtBefore.equals("{")){
289 initialPos = searchPos;
290 searchPos = (dotPos -1) < 0 ? 0 : dotPos -1;
291 String txtAfter = doc.getText(searchPos, 1);
292 while(!txtAfter.equals("}")){
293 searchPos++;
294 if((searchPos > doc.getLength()) || txtAfter.equals("{")) break;
295 txtAfter = doc.getText(searchPos, 1);
296 }
297 if(txtAfter.equals("}")){
298 lastPos = searchPos;
299 }
300 }
301 if( (initialPos > -1) && (lastPos > -1) ){
302 currentOffset = initialPos + 1;
303 currentLength = lastPos - initialPos -1;
304 highlight((StyledDocument )doc, currentOffset, currentLength);
305 String cssProperties = doc.getText(currentOffset, currentLength);
306
307 CssStyleParser cssStyleParser = new CssStyleParser();
310 final CssStyleData cssStyleData = cssStyleParser.parse(cssProperties.trim());
311 cssStyleData.addPropertyChangeListener(new PropertyChangeListener (){
312 public void propertyChange(PropertyChangeEvent evt){
313 replaceText((BaseDocument)doc, cssStyleData.getFormattedString());
314 }
315 });
316 if(cssCustomEditor != null) {
317 cssCustomEditor.setCssStyleData(cssStyleData);
318 }else{
319 System.out.println("CssEditorSupport.setActiveNode - Warning! CSS Custome Editor Can not be null. Check! - Winston"); }
321
322 if(cssCloneableEditor != null) {
323 cssCloneableEditor.setCssStyleData(cssStyleData);
324 }else{
325 System.out.println("CssEditorSupport.setActiveNode - Warning! CSS Cloneable Editor Can not be null. Check! - Winston"); }
327 }
328 } catch (Exception e) {
329 e.printStackTrace();
330 }
331 }
332
333
336 private void highlight(StyledDocument doc, int offset, int length){
337 int initialPos = offset - 1;
338 int lastPos = length + initialPos + 1;
339 int firstLine = NbDocument.findLineNumber(doc,initialPos);
340 int lastLine = NbDocument.findLineNumber(doc,lastPos);
341 if((firstLine != currentHighlightStart) || (lastLine != currentHighlightEnd)){
343 if (highLighted && (currentHighlightStart != -1) && (currentHighlightEnd != -1)){
344 mark(doc, currentHighlightStart, currentHighlightEnd, false);
345 }
346 mark(doc, firstLine, lastLine, true);
347 highLighted = true;
348
349 initialPos = -1;
351 lastPos = -1;
352 try {
353 int searchPos = offset - 1;
354 String txtBefore = doc.getText(searchPos, 1);
355 while(!txtBefore.equals("{")){
356 searchPos--;
357 if((searchPos < 0) || txtBefore.equals("}")) break;
358 txtBefore = doc.getText(searchPos, 1);
359 }
360 if(txtBefore.equals("{")){
361 lastPos = searchPos - 1;
362 while(!txtBefore.equals("}")){
363 searchPos--;
364 if((searchPos < 0) || txtBefore.equals("}") || txtBefore.equals("/")) break;
365 txtBefore = doc.getText(searchPos, 1);
366 }
367 if(txtBefore.equals("}") || txtBefore.equals("/")){
368 initialPos = searchPos + 2;
369 }else{
370 initialPos = searchPos + 1;
371 }
372 }
373
374 if ((initialPos != -1) && (lastPos != -1)){
375 String ruleName = doc.getText(initialPos, lastPos - initialPos);
376 CssMetaModel.getInstance().setSelectedRuleName(ruleName.trim());
377 }
378 } catch (Exception e) {
379 e.printStackTrace();
380 }
381 currentHighlightStart = firstLine;
382 currentHighlightEnd = lastLine;
383 }
384 }
385
386
389 public void mark(StyledDocument doc, int startLine, int endLine, boolean mark){
390 if ((startLine < 0) || (endLine < 0)) return;
391 int lastDoctLine = NbDocument.findLineNumber(doc, doc.getLength());
392 if ((startLine > lastDoctLine) || (endLine > lastDoctLine)) return;
393 for(int i=startLine; i <= endLine; i++){
394 int start = NbDocument.findLineOffset(doc, i);
395 if (mark){
396 Style bp = doc.getStyle(NbDocument.CURRENT_STYLE_NAME);
397 if (bp == null) {
398 bp = doc.addStyle(NbDocument.CURRENT_STYLE_NAME, null);
399 bp.addAttribute(StyleConstants.ColorConstants.Background, new Color (225,236,247));
400 }
401 doc.setLogicalStyle(start, bp);
402 }else{
403 Style st = doc.getStyle(NbDocument.NORMAL_STYLE_NAME);
404 if (st == null){
405 st = doc.addStyle(NbDocument.NORMAL_STYLE_NAME, null);
406 }
407 doc.setLogicalStyle(start, st);
408 }
409 }
410 }
411
412
415 boolean replaceText(BaseDocument doc, String text) {
416 int dotPos = activePane.getCaret().getDot();
417 doc.atomicLock();
418 try {
419 if (highLighted){
420 mark((StyledDocument )doc, currentHighlightStart, currentHighlightEnd, false);
421 highLighted = false;
422 currentHighlightStart = -1;
423 currentHighlightEnd = -1;
424 }
425 doc.remove(currentOffset, currentLength);
426 doc.insertString(currentOffset, text, null);
427 currentLength = text.length();
428 activePane.getCaret().setDot(currentOffset + 1);
429 } catch( BadLocationException exc ) {
430 return false;
431 } finally {
432 doc.atomicUnlock();
433 }
434 return true;
435 }
436
437
440 private CssCloneableEditor getCssCloneableEditor(JEditorPane activePane) {
441 CssCloneableEditor cssCloneableEditor = (CssCloneableEditor)SwingUtilities.getAncestorOfClass(CssCloneableEditor.class, activePane);
442 return cssCloneableEditor;
443 }
444
445
448 private CssCustomEditor getCssCustomEditor(JEditorPane activePane) {
449 CssCustomEditor cssCustomEditor = (CssCustomEditor)SwingUtilities.getAncestorOfClass(CssCustomEditor.class, activePane);
450 return cssCustomEditor;
451 }
452
453
456 private static class CssEnvironment extends DataEditorSupport.Env {
457 CssDataObject cssDataObject = null;
458
459 public CssEnvironment(CssDataObject dataObject) {
460 super(dataObject);
461 cssDataObject = dataObject;
462 }
463
464 protected FileObject getFile() {
465 return cssDataObject.getPrimaryFile();
466 }
467
468 protected FileLock takeLock() throws IOException {
469 return cssDataObject.getPrimaryEntry().takeLock();
470 }
471
472 public CloneableOpenSupport findCloneableOpenSupport() {
473 return (CssEditorSupport)cssDataObject.getCookie(CssEditorSupport.class);
474
475 }
476 }
477 }
478 |
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