1. Suppress ArrayIndexOutOfBoundsException occurring in a certain case of formatting...
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / ui / preferences / CodeTemplateBlock.java
1 /*******************************************************************************
2  * Copyright (c) 2000, 2004 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials 
4  * are made available under the terms of the Common Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/cpl-v10.html
7  * 
8  * Contributors:
9  *     IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package net.sourceforge.phpdt.internal.ui.preferences;
12
13 import java.io.BufferedInputStream;
14 import java.io.BufferedOutputStream;
15 import java.io.File;
16 import java.io.FileInputStream;
17 import java.io.FileNotFoundException;
18 import java.io.FileOutputStream;
19 import java.io.IOException;
20 import java.io.InputStream;
21 import java.io.OutputStream;
22 import java.util.ArrayList;
23 import java.util.Arrays;
24 import java.util.List;
25
26 import net.sourceforge.phpdt.internal.corext.template.php.CodeTemplateContextType;
27 import net.sourceforge.phpdt.internal.ui.text.IPHPPartitions;
28 import net.sourceforge.phpdt.internal.ui.text.template.preferences.TemplateVariableProcessor;
29 import net.sourceforge.phpdt.internal.ui.util.PixelConverter;
30 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.DialogField;
31 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.IDialogFieldListener;
32 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.ITreeListAdapter;
33 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.LayoutUtil;
34 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.SelectionButtonDialogField;
35 import net.sourceforge.phpdt.internal.ui.wizards.dialogfields.TreeListDialogField;
36 import net.sourceforge.phpdt.ui.PreferenceConstants;
37 import net.sourceforge.phpdt.ui.text.JavaTextTools;
38 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
39 import net.sourceforge.phpeclipse.phpeditor.JavaSourceViewer;
40
41 import org.eclipse.jface.dialogs.MessageDialog;
42 import org.eclipse.jface.preference.IPreferenceStore;
43 import org.eclipse.jface.resource.JFaceResources;
44 import org.eclipse.jface.text.Document;
45 import org.eclipse.jface.text.IDocument;
46 import org.eclipse.jface.text.source.SourceViewer;
47 import org.eclipse.jface.text.templates.Template;
48 import org.eclipse.jface.text.templates.TemplateContextType;
49 import org.eclipse.jface.text.templates.persistence.TemplatePersistenceData;
50 import org.eclipse.jface.text.templates.persistence.TemplateReaderWriter;
51 import org.eclipse.jface.text.templates.persistence.TemplateStore;
52 import org.eclipse.jface.viewers.LabelProvider;
53 import org.eclipse.jface.viewers.StructuredSelection;
54 import org.eclipse.jface.window.Window;
55 import org.eclipse.swt.SWT;
56 import org.eclipse.swt.events.KeyEvent;
57 import org.eclipse.swt.graphics.Font;
58 import org.eclipse.swt.graphics.Image;
59 import org.eclipse.swt.layout.GridData;
60 import org.eclipse.swt.layout.GridLayout;
61 import org.eclipse.swt.widgets.Composite;
62 import org.eclipse.swt.widgets.Control;
63 import org.eclipse.swt.widgets.FileDialog;
64 import org.eclipse.swt.widgets.Label;
65 import org.eclipse.swt.widgets.Shell;
66
67 /**
68  */
69 public class CodeTemplateBlock {
70
71         private class CodeTemplateAdapter implements ITreeListAdapter,
72                         IDialogFieldListener {
73
74                 private final Object[] NO_CHILDREN = new Object[0];
75
76                 public void customButtonPressed(TreeListDialogField field, int index) {
77                         doButtonPressed(index, field.getSelectedElements());
78                 }
79
80                 public void selectionChanged(TreeListDialogField field) {
81                         List selected = field.getSelectedElements();
82                         field.enableButton(IDX_EDIT, canEdit(selected));
83                         field.enableButton(IDX_EXPORT, !selected.isEmpty());
84
85                         updateSourceViewerInput(selected);
86                 }
87
88                 public void doubleClicked(TreeListDialogField field) {
89                         List selected = field.getSelectedElements();
90                         if (canEdit(selected)) {
91                                 doButtonPressed(IDX_EDIT, selected);
92                         }
93                 }
94
95                 public Object[] getChildren(TreeListDialogField field, Object element) {
96                         if (element == COMMENT_NODE || element == CODE_NODE) {
97                                 return getTemplateOfCategory(element == COMMENT_NODE);
98                         }
99                         return NO_CHILDREN;
100                 }
101
102                 public Object getParent(TreeListDialogField field, Object element) {
103                         if (element instanceof TemplatePersistenceData) {
104                                 TemplatePersistenceData data = (TemplatePersistenceData) element;
105                                 if (data.getTemplate().getName().endsWith(
106                                                 CodeTemplateContextType.COMMENT_SUFFIX)) {
107                                         return COMMENT_NODE;
108                                 }
109                                 return CODE_NODE;
110                         }
111                         return null;
112                 }
113
114                 public boolean hasChildren(TreeListDialogField field, Object element) {
115                         return (element == COMMENT_NODE || element == CODE_NODE);
116                 }
117
118                 public void dialogFieldChanged(DialogField field) {
119                 }
120
121                 public void keyPressed(TreeListDialogField field, KeyEvent event) {
122                 }
123
124         }
125
126         private static class CodeTemplateLabelProvider extends LabelProvider {
127
128                 /*
129                  * (non-Javadoc)
130                  * 
131                  * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object)
132                  */
133                 public Image getImage(Object element) {
134                         return null;
135
136                 }
137
138                 /*
139                  * (non-Javadoc)
140                  * 
141                  * @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
142                  */
143                 public String getText(Object element) {
144                         if (element == COMMENT_NODE || element == CODE_NODE) {
145                                 return (String) element;
146                         }
147                         TemplatePersistenceData data = (TemplatePersistenceData) element;
148                         Template template = data.getTemplate();
149                         String name = template.getName();
150                         if (CodeTemplateContextType.CATCHBLOCK.equals(name)) {
151                                 return PreferencesMessages
152                                                 .getString("CodeTemplateBlock.catchblock.label"); //$NON-NLS-1$
153                         } else if (CodeTemplateContextType.METHODSTUB.equals(name)) {
154                                 return PreferencesMessages
155                                                 .getString("CodeTemplateBlock.methodstub.label"); //$NON-NLS-1$
156                         } else if (CodeTemplateContextType.CONSTRUCTORSTUB.equals(name)) {
157                                 return PreferencesMessages
158                                                 .getString("CodeTemplateBlock.constructorstub.label"); //$NON-NLS-1$
159                         } else if (CodeTemplateContextType.GETTERSTUB.equals(name)) {
160                                 return PreferencesMessages
161                                                 .getString("CodeTemplateBlock.getterstub.label"); //$NON-NLS-1$
162                         } else if (CodeTemplateContextType.SETTERSTUB.equals(name)) {
163                                 return PreferencesMessages
164                                                 .getString("CodeTemplateBlock.setterstub.label"); //$NON-NLS-1$
165                         } else if (CodeTemplateContextType.NEWTYPE.equals(name)) {
166                                 return PreferencesMessages
167                                                 .getString("CodeTemplateBlock.newtype.label"); //$NON-NLS-1$
168                         } else if (CodeTemplateContextType.TYPECOMMENT.equals(name)) {
169                                 return PreferencesMessages
170                                                 .getString("CodeTemplateBlock.typecomment.label"); //$NON-NLS-1$
171                         } else if (CodeTemplateContextType.FIELDCOMMENT.equals(name)) {
172                                 return PreferencesMessages
173                                                 .getString("CodeTemplateBlock.fieldcomment.label"); //$NON-NLS-1$
174                         } else if (CodeTemplateContextType.METHODCOMMENT.equals(name)) {
175                                 return PreferencesMessages
176                                                 .getString("CodeTemplateBlock.methodcomment.label"); //$NON-NLS-1$
177                         } else if (CodeTemplateContextType.OVERRIDECOMMENT.equals(name)) {
178                                 return PreferencesMessages
179                                                 .getString("CodeTemplateBlock.overridecomment.label"); //$NON-NLS-1$
180                         } else if (CodeTemplateContextType.CONSTRUCTORCOMMENT.equals(name)) {
181                                 return PreferencesMessages
182                                                 .getString("CodeTemplateBlock.constructorcomment.label"); //$NON-NLS-1$
183                         } else if (CodeTemplateContextType.GETTERCOMMENT.equals(name)) {
184                                 return PreferencesMessages
185                                                 .getString("CodeTemplateBlock.gettercomment.label"); //$NON-NLS-1$
186                         } else if (CodeTemplateContextType.SETTERCOMMENT.equals(name)) {
187                                 return PreferencesMessages
188                                                 .getString("CodeTemplateBlock.settercomment.label"); //$NON-NLS-1$
189                         }
190                         return template.getDescription();
191                 }
192
193         }
194
195         private final static int IDX_EDIT = 0;
196
197         private final static int IDX_IMPORT = 2;
198
199         private final static int IDX_EXPORT = 3;
200
201         private final static int IDX_EXPORTALL = 4;
202
203         protected final static Object COMMENT_NODE = PreferencesMessages
204                         .getString("CodeTemplateBlock.templates.comment.node"); //$NON-NLS-1$
205
206         protected final static Object CODE_NODE = PreferencesMessages
207                         .getString("CodeTemplateBlock.templates.code.node"); //$NON-NLS-1$
208
209         private static final String PREF_JAVADOC_STUBS = PreferenceConstants.CODEGEN_ADD_COMMENTS;
210
211         private TreeListDialogField fCodeTemplateTree;
212
213         private SelectionButtonDialogField fCreateJavaDocComments;
214
215         protected TemplateStore fTemplates;
216
217         private PixelConverter fPixelConverter;
218
219         private SourceViewer fPatternViewer;
220
221         private Control fSWTWidget;
222
223         private TemplateVariableProcessor fTemplateProcessor;
224
225         public CodeTemplateBlock() {
226
227                 fTemplates = PHPeclipsePlugin.getDefault().getCodeTemplateStore();
228                 fTemplateProcessor = new TemplateVariableProcessor();
229
230                 CodeTemplateAdapter adapter = new CodeTemplateAdapter();
231
232                 String[] buttonLabels = new String[] {
233                                 /* IDX_EDIT */PreferencesMessages
234                                                 .getString("CodeTemplateBlock.templates.edit.button"), //$NON-NLS-1$
235                                 /* */null,
236                                 /* IDX_IMPORT */PreferencesMessages
237                                                 .getString("CodeTemplateBlock.templates.import.button"), //$NON-NLS-1$
238                                 /* IDX_EXPORT */PreferencesMessages
239                                                 .getString("CodeTemplateBlock.templates.export.button"), //$NON-NLS-1$
240                                 /* IDX_EXPORTALL */PreferencesMessages
241                                                 .getString("CodeTemplateBlock.templates.exportall.button") //$NON-NLS-1$
242
243                 };
244                 fCodeTemplateTree = new TreeListDialogField(adapter, buttonLabels,
245                                 new CodeTemplateLabelProvider());
246                 fCodeTemplateTree.setDialogFieldListener(adapter);
247                 fCodeTemplateTree.setLabelText(PreferencesMessages
248                                 .getString("CodeTemplateBlock.templates.label")); //$NON-NLS-1$
249
250                 fCodeTemplateTree.enableButton(IDX_EXPORT, false);
251                 fCodeTemplateTree.enableButton(IDX_EDIT, false);
252
253                 fCodeTemplateTree.addElement(COMMENT_NODE);
254                 fCodeTemplateTree.addElement(CODE_NODE);
255
256                 fCreateJavaDocComments = new SelectionButtonDialogField(SWT.CHECK
257                                 | SWT.WRAP);
258                 fCreateJavaDocComments.setLabelText(PreferencesMessages
259                                 .getString("CodeTemplateBlock.createcomment.label")); //$NON-NLS-1$
260                 fCreateJavaDocComments.setSelection(PreferenceConstants
261                                 .getPreferenceStore().getBoolean(PREF_JAVADOC_STUBS));
262
263                 fCodeTemplateTree.selectFirstElement();
264         }
265
266         protected Control createContents(Composite parent) {
267                 fPixelConverter = new PixelConverter(parent);
268                 fSWTWidget = parent;
269
270                 Composite composite = new Composite(parent, SWT.NONE);
271                 GridLayout layout = new GridLayout();
272                 layout.marginHeight = 0;
273                 layout.marginWidth = 0;
274                 layout.numColumns = 2;
275                 composite.setLayout(layout);
276
277                 fCodeTemplateTree.doFillIntoGrid(composite, 3);
278                 LayoutUtil
279                                 .setHorizontalSpan(fCodeTemplateTree.getLabelControl(null), 2);
280                 LayoutUtil
281                                 .setHorizontalGrabbing(fCodeTemplateTree.getTreeControl(null));
282
283                 fPatternViewer = createViewer(composite, 2);
284
285                 fCreateJavaDocComments.doFillIntoGrid(composite, 2);
286
287                 DialogField label = new DialogField();
288                 label.setLabelText(PreferencesMessages
289                                 .getString("CodeTemplateBlock.createcomment.description")); //$NON-NLS-1$
290                 label.doFillIntoGrid(composite, 2);
291
292                 return composite;
293
294         }
295
296         private Shell getShell() {
297                 if (fSWTWidget != null) {
298                         return fSWTWidget.getShell();
299                 }
300                 return PHPeclipsePlugin.getActiveWorkbenchShell();
301         }
302
303         private SourceViewer createViewer(Composite parent, int nColumns) {
304                 Label label = new Label(parent, SWT.NONE);
305                 label.setText(PreferencesMessages
306                                 .getString("CodeTemplateBlock.preview")); //$NON-NLS-1$
307                 GridData data = new GridData();
308                 data.horizontalSpan = nColumns;
309                 label.setLayoutData(data);
310
311                 IDocument document = new Document();
312                 JavaTextTools tools = PHPeclipsePlugin.getDefault().getJavaTextTools();
313                 tools.setupJavaDocumentPartitioner(document,
314                                 IPHPPartitions.PHP_PARTITIONING);
315                 IPreferenceStore store = PHPeclipsePlugin.getDefault()
316                                 .getCombinedPreferenceStore();
317                 SourceViewer viewer = new JavaSourceViewer(parent, null, null, false,
318                                 SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL, store);
319                 TemplateEditorSourceViewerConfiguration configuration = new TemplateEditorSourceViewerConfiguration(
320                                 tools.getColorManager(), store, null, fTemplateProcessor);
321                 viewer.configure(configuration);
322                 viewer.setEditable(false);
323                 viewer.setDocument(document);
324
325                 Font font = JFaceResources
326                                 .getFont(PreferenceConstants.EDITOR_TEXT_FONT);
327                 viewer.getTextWidget().setFont(font);
328                 new JavaSourcePreviewerUpdater(viewer, configuration, store);
329
330                 Control control = viewer.getControl();
331                 data = new GridData(GridData.HORIZONTAL_ALIGN_FILL
332                                 | GridData.FILL_VERTICAL);
333                 data.horizontalSpan = nColumns;
334                 data.heightHint = fPixelConverter.convertHeightInCharsToPixels(5);
335                 control.setLayoutData(data);
336
337                 return viewer;
338         }
339
340         protected TemplatePersistenceData[] getTemplateOfCategory(boolean isComment) {
341                 ArrayList res = new ArrayList();
342                 TemplatePersistenceData[] templates = fTemplates.getTemplateData(false);
343                 for (int i = 0; i < templates.length; i++) {
344                         TemplatePersistenceData curr = templates[i];
345                         if (isComment == curr.getTemplate().getName().endsWith(
346                                         CodeTemplateContextType.COMMENT_SUFFIX)) {
347                                 res.add(curr);
348                         }
349                 }
350                 return (TemplatePersistenceData[]) res
351                                 .toArray(new TemplatePersistenceData[res.size()]);
352         }
353
354         protected static boolean canEdit(List selected) {
355                 return selected.size() == 1
356                                 && (selected.get(0) instanceof TemplatePersistenceData);
357         }
358
359         protected void updateSourceViewerInput(List selection) {
360                 if (fPatternViewer == null
361                                 || fPatternViewer.getTextWidget().isDisposed()) {
362                         return;
363                 }
364                 if (selection.size() == 1
365                                 && selection.get(0) instanceof TemplatePersistenceData) {
366                         TemplatePersistenceData data = (TemplatePersistenceData) selection
367                                         .get(0);
368                         Template template = data.getTemplate();
369                         TemplateContextType type = PHPeclipsePlugin.getDefault()
370                                         .getCodeTemplateContextRegistry().getContextType(
371                                                         template.getContextTypeId());
372                         fTemplateProcessor.setContextType(type);
373                         fPatternViewer.getDocument().set(template.getPattern());
374                 } else {
375                         fPatternViewer.getDocument().set(""); //$NON-NLS-1$
376                 }
377         }
378
379         protected void doButtonPressed(int buttonIndex, List selected) {
380                 if (buttonIndex == IDX_EDIT) {
381                         edit((TemplatePersistenceData) selected.get(0));
382                 } else if (buttonIndex == IDX_EXPORT) {
383                         export(selected);
384                 } else if (buttonIndex == IDX_EXPORTALL) {
385                         exportAll();
386                 } else if (buttonIndex == IDX_IMPORT) {
387                         import_();
388                 }
389         }
390
391         private void edit(TemplatePersistenceData data) {
392                 Template newTemplate = new Template(data.getTemplate());
393                 EditTemplateDialog dialog = new EditTemplateDialog(getShell(),
394                                 newTemplate, true, false, PHPeclipsePlugin.getDefault()
395                                                 .getCodeTemplateContextRegistry());
396                 if (dialog.open() == Window.OK) {
397                         // changed
398                         data.setTemplate(newTemplate);
399                         fCodeTemplateTree.refresh(data);
400                         fCodeTemplateTree.selectElements(new StructuredSelection(data));
401                 }
402         }
403
404         private void import_() {
405                 FileDialog dialog = new FileDialog(getShell());
406                 dialog.setText(PreferencesMessages
407                                 .getString("CodeTemplateBlock.import.title")); //$NON-NLS-1$
408                 dialog.setFilterExtensions(new String[] { PreferencesMessages
409                                 .getString("CodeTemplateBlock.import.extension") }); //$NON-NLS-1$
410                 String path = dialog.open();
411
412                 if (path == null)
413                         return;
414
415                 try {
416                         TemplateReaderWriter reader = new TemplateReaderWriter();
417                         File file = new File(path);
418                         if (file.exists()) {
419                                 InputStream input = new BufferedInputStream(
420                                                 new FileInputStream(file));
421                                 TemplatePersistenceData[] datas = reader.read(input, null);
422                                 for (int i = 0; i < datas.length; i++) {
423                                         updateTemplate(datas[i]);
424                                 }
425                         }
426
427                         fCodeTemplateTree.refresh();
428                         updateSourceViewerInput(fCodeTemplateTree.getSelectedElements());
429
430                 } catch (FileNotFoundException e) {
431                         openReadErrorDialog(e);
432                 } catch (IOException e) {
433                         openReadErrorDialog(e);
434                 }
435
436         }
437
438         private void updateTemplate(TemplatePersistenceData data) {
439                 TemplatePersistenceData[] datas = fTemplates.getTemplateData(true);
440                 for (int i = 0; i < datas.length; i++) {
441                         String id = datas[i].getId();
442                         if (id != null && id.equals(data.getId())) {
443                                 datas[i].setTemplate(data.getTemplate());
444                                 break;
445                         }
446                 }
447         }
448
449         private void exportAll() {
450                 export(fTemplates.getTemplateData(false));
451         }
452
453         private void export(List selected) {
454                 List datas = new ArrayList();
455                 for (int i = 0; i < selected.size(); i++) {
456                         Object curr = selected.get(i);
457                         if (curr instanceof TemplatePersistenceData) {
458                                 datas.add(curr);
459                         } else {
460                                 TemplatePersistenceData[] cat = getTemplateOfCategory(curr == COMMENT_NODE);
461                                 datas.addAll(Arrays.asList(cat));
462                         }
463                 }
464                 export((TemplatePersistenceData[]) datas
465                                 .toArray(new TemplatePersistenceData[datas.size()]));
466         }
467
468         private void export(TemplatePersistenceData[] templates) {
469                 FileDialog dialog = new FileDialog(getShell(), SWT.SAVE);
470                 dialog
471                                 .setText(PreferencesMessages
472                                                 .getFormattedString(
473                                                                 "CodeTemplateBlock.export.title", String.valueOf(templates.length))); //$NON-NLS-1$
474                 dialog.setFilterExtensions(new String[] { PreferencesMessages
475                                 .getString("CodeTemplateBlock.export.extension") }); //$NON-NLS-1$
476                 dialog.setFileName(PreferencesMessages
477                                 .getString("CodeTemplateBlock.export.filename")); //$NON-NLS-1$
478                 String path = dialog.open();
479
480                 if (path == null)
481                         return;
482
483                 File file = new File(path);
484
485                 if (file.isHidden()) {
486                         String title = PreferencesMessages
487                                         .getString("CodeTemplateBlock.export.error.title"); //$NON-NLS-1$ 
488                         String message = PreferencesMessages
489                                         .getFormattedString(
490                                                         "CodeTemplateBlock.export.error.hidden", file.getAbsolutePath()); //$NON-NLS-1$
491                         MessageDialog.openError(getShell(), title, message);
492                         return;
493                 }
494
495                 if (file.exists() && !file.canWrite()) {
496                         String title = PreferencesMessages
497                                         .getString("CodeTemplateBlock.export.error.title"); //$NON-NLS-1$
498                         String message = PreferencesMessages
499                                         .getFormattedString(
500                                                         "CodeTemplateBlock.export.error.canNotWrite", file.getAbsolutePath()); //$NON-NLS-1$
501                         MessageDialog.openError(getShell(), title, message);
502                         return;
503                 }
504
505                 if (!file.exists() || confirmOverwrite(file)) {
506                         try {
507                                 OutputStream output = new BufferedOutputStream(
508                                                 new FileOutputStream(file));
509                                 TemplateReaderWriter writer = new TemplateReaderWriter();
510                                 writer.save(templates, output);
511                         } catch (IOException e) {
512                                 openWriteErrorDialog(e);
513                         }
514                 }
515
516         }
517
518         private boolean confirmOverwrite(File file) {
519                 return MessageDialog
520                                 .openQuestion(
521                                                 getShell(),
522                                                 PreferencesMessages
523                                                                 .getString("CodeTemplateBlock.export.exists.title"), //$NON-NLS-1$
524                                                 PreferencesMessages
525                                                                 .getFormattedString(
526                                                                                 "CodeTemplateBlock.export.exists.message", file.getAbsolutePath())); //$NON-NLS-1$
527         }
528
529         public void performDefaults() {
530                 IPreferenceStore prefs = PHPeclipsePlugin.getDefault()
531                                 .getPreferenceStore();
532                 fCreateJavaDocComments.setSelection(prefs
533                                 .getDefaultBoolean(PREF_JAVADOC_STUBS));
534
535                 fTemplates.restoreDefaults();
536
537                 // refresh
538                 fCodeTemplateTree.refresh();
539                 updateSourceViewerInput(fCodeTemplateTree.getSelectedElements());
540         }
541
542         public boolean performOk(boolean enabled) {
543                 IPreferenceStore prefs = PreferenceConstants.getPreferenceStore();
544                 prefs.setValue(PREF_JAVADOC_STUBS, fCreateJavaDocComments.isSelected());
545                 PHPeclipsePlugin.getDefault().savePluginPreferences();
546
547                 try {
548                         fTemplates.save();
549                 } catch (IOException e) {
550                         PHPeclipsePlugin.log(e);
551                         openWriteErrorDialog(e);
552                 }
553                 return true;
554         }
555
556         public void performCancel() {
557                 try {
558                         fTemplates.load();
559                 } catch (IOException e) {
560                         openReadErrorDialog(e);
561                 }
562         }
563
564         private void openReadErrorDialog(Exception e) {
565                 String title = PreferencesMessages
566                                 .getString("CodeTemplateBlock.error.read.title"); //$NON-NLS-1$
567
568                 String message = e.getLocalizedMessage();
569                 if (message != null)
570                         message = PreferencesMessages.getFormattedString(
571                                         "CodeTemplateBlock.error.parse.message", message); //$NON-NLS-1$
572                 else
573                         message = PreferencesMessages
574                                         .getString("CodeTemplateBlock.error.read.message"); //$NON-NLS-1$
575                 MessageDialog.openError(getShell(), title, message);
576         }
577
578         private void openWriteErrorDialog(Exception e) {
579                 String title = PreferencesMessages
580                                 .getString("CodeTemplateBlock.error.write.title"); //$NON-NLS-1$
581                 String message = PreferencesMessages
582                                 .getString("CodeTemplateBlock.error.write.message"); //$NON-NLS-1$
583                 MessageDialog.openError(getShell(), title, message);
584         }
585
586 }