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1
11 package org.eclipse.team.internal.ui.synchronize;
12
13 import org.eclipse.compare.*;
14 import org.eclipse.compare.internal.Utilities;
15 import org.eclipse.compare.structuremergeviewer.ICompareInput;
16 import org.eclipse.core.resources.IFile;
17 import org.eclipse.core.runtime.*;
18 import org.eclipse.jface.dialogs.IDialogConstants;
19 import org.eclipse.jface.dialogs.MessageDialog;
20 import org.eclipse.jface.resource.ImageDescriptor;
21 import org.eclipse.jface.text.IDocument;
22 import org.eclipse.jface.util.IPropertyChangeListener;
23 import org.eclipse.jface.util.PropertyChangeEvent;
24 import org.eclipse.swt.graphics.Image;
25 import org.eclipse.team.internal.ui.*;
26 import org.eclipse.team.ui.mapping.SaveableComparison;
27 import org.eclipse.ui.IEditorInput;
28 import org.eclipse.ui.Saveable;
29 import org.eclipse.ui.part.FileEditorInput;
30 import org.eclipse.ui.texteditor.IDocumentProvider;
31
32
39 public abstract class LocalResourceSaveableComparison extends SaveableComparison implements IPropertyChangeListener {
40
41 private final ICompareInput input;
42 private final CompareEditorInput editorInput;
43 private boolean isSaving;
44 private IContentChangeListener contentChangeListener;
45 private ITypedElement fileElement;
46 private IDocument document;
47
48
53 public LocalResourceSaveableComparison(ICompareInput input, CompareEditorInput editorInput) {
54 this(input, editorInput, input.getLeft());
55 }
56
57
63 public LocalResourceSaveableComparison(ICompareInput input, CompareEditorInput editorInput, ITypedElement fileElement) {
64 this.input = input;
65 this.editorInput = editorInput;
66 this.fileElement = fileElement;
67 initializeContentChangeListeners();
68 }
69
70 protected void initializeHashing() {
71 Object  document= getAdapter(IDocument.class);
72 if (document != null) {
73 this.document = (IDocument)document;
74 }
75 }
76
77 private void initializeContentChangeListeners() {
78 ITypedElement te = getFileElement();
81 if (te instanceof IContentChangeNotifier) {
82 if (contentChangeListener == null) {
83 contentChangeListener = new IContentChangeListener() {
84 public void contentChanged(IContentChangeNotifier source) {
85 try {
86 if(! isSaving) {
87 performSave(new NullProgressMonitor());
88 }
89 } catch (CoreException e) {
90 TeamUIPlugin.log(e);
91 }
92 }
93 };
94 }
95 ((IContentChangeNotifier) te).addContentChangeListener(contentChangeListener);
96 }
97 }
98
99
102 public void dispose() {
103 if (contentChangeListener != null) {
104 ITypedElement te = getFileElement();
105 if (te instanceof IContentChangeNotifier) {
106 ((IContentChangeNotifier) te).removeContentChangeListener(contentChangeListener);
107 }
108 }
109 ITypedElement left = getFileElement();
111 if (left instanceof LocalResourceTypedElement)
112 ((LocalResourceTypedElement) left).discardBuffer();
113 }
114
115 private ITypedElement getFileElement() {
116 return fileElement;
117 }
118
119
122 protected void performSave(IProgressMonitor monitor) throws CoreException {
123 if (checkForUpdateConflicts()) {
124 return;
125 }
126 try {
127 isSaving = true;
128 monitor.beginTask(null, 100);
129 flushViewers(Policy.subMonitorFor(monitor, 40));
132 ITypedElement left = getFileElement();
135 if (left instanceof LocalResourceTypedElement) {
136 LocalResourceTypedElement te = (LocalResourceTypedElement) left;
137 te.commit(Policy.subMonitorFor(monitor, 60));
138 }
139 } finally {
140 fireInputChange();
142 setDirty(false);
143 isSaving = false;
144 monitor.done();
145 }
146 }
147
148
153 protected void flushViewers(IProgressMonitor monitor) throws CoreException {
154 editorInput.saveChanges(monitor);
155 }
156
157
161 protected abstract void fireInputChange();
162
163
167 private boolean checkForUpdateConflicts() {
168 if(hasSaveConflict()) {
169 if (Utilities.RUNNING_TESTS)
170 return !Utilities.TESTING_FLUSH_ON_COMPARE_INPUT_CHANGE;
171 final MessageDialog dialog =
172 new MessageDialog(TeamUIPlugin.getStandardDisplay().getActiveShell(),
173 TeamUIMessages.SyncInfoCompareInput_0,
174 null,
175 TeamUIMessages.SyncInfoCompareInput_1,
176 MessageDialog.QUESTION,
177 new String [] {
178 TeamUIMessages.SyncInfoCompareInput_2,
179 IDialogConstants.CANCEL_LABEL},
180 0);
181
182 int retval = dialog.open();
183 switch(retval) {
184 case 0:
186 return false;
187 case 1:
189 return true;
190 }
191 }
192 return false;
193 }
194
195 private boolean hasSaveConflict() {
196 ITypedElement left = getFileElement();
197 if (left instanceof LocalResourceTypedElement) {
198 LocalResourceTypedElement te = (LocalResourceTypedElement) left;
199 return !te.isSynchronized();
200 }
201 return false;
202 }
203
204
207 public boolean isDirty() {
208 return editorInput.isSaveNeeded();
211 }
212
213
216 protected void setDirty(boolean dirty) {
217 editorInput.setDirty(dirty);
220 }
221
222
225 protected void performRevert(IProgressMonitor monitor) {
226 ITypedElement left = getFileElement();
228 if (left instanceof LocalResourceTypedElement)
229 ((LocalResourceTypedElement) left).discardBuffer();
230 }
231
232
235 public String getName() {
236 return input.getName();
237 }
238
239
242 public String getToolTipText() {
243 return editorInput.getToolTipText();
244 }
245
246
249 public ImageDescriptor getImageDescriptor() {
250 Image image = input.getImage();
251 if (image != null)
252 return ImageDescriptor.createFromImage(image);
253 return TeamUIPlugin.getImageDescriptor(ITeamUIImages.IMG_SYNC_VIEW);
254 }
255
256
259 public void propertyChange(PropertyChangeEvent e) {
260 String propertyName= e.getProperty();
261 if (CompareEditorInput.DIRTY_STATE.equals(propertyName)) {
262 boolean changed= false;
263 Object newValue= e.getNewValue();
264 if (newValue instanceof Boolean )
265 changed= ((Boolean )newValue).booleanValue();
266 setDirty(changed);
267 }
268 }
269
270
273 public int hashCode() {
274 if (document != null) {
275 return document.hashCode();
276 }
277 return input.hashCode();
278 }
279
280
283 public boolean equals(Object obj) {
284 if (this == obj)
285 return true;
286
287 if (!(obj instanceof Saveable))
288 return false;
289
290 if (document != null) {
291 Object otherDocument= ((Saveable)obj).getAdapter(IDocument.class);
292
293 if (document == null && otherDocument == null)
294 return false;
295
296 return document != null && document.equals(otherDocument);
297 }
298
299 if (obj instanceof LocalResourceSaveableComparison) {
300 LocalResourceSaveableComparison rscm = (LocalResourceSaveableComparison) obj;
301 return rscm.input.equals(input);
302 }
303 return false;
304 }
305
306 public Object getAdapter(Class adapter) {
307 if (adapter == IDocument.class) {
308 if (document != null)
309 return document;
310 if (fileElement instanceof LocalResourceTypedElement) {
311 LocalResourceTypedElement lrte = (LocalResourceTypedElement) fileElement;
312 if (lrte.isConnected()) {
313 ISharedDocumentAdapter sda = (ISharedDocumentAdapter)Utils.getAdapter(lrte, ISharedDocumentAdapter.class);
314 if (sda != null) {
315 IEditorInput input = sda.getDocumentKey(lrte);
316 if (input != null) {
317 IDocumentProvider provider = SharedDocumentAdapter.getDocumentProvider(input);
318 if (provider != null)
319 return provider.getDocument(input);
320 }
321 }
322 }
323 }
324 }
325 if (adapter == IEditorInput.class) {
326 if (fileElement instanceof LocalResourceTypedElement) {
327 LocalResourceTypedElement lrte = (LocalResourceTypedElement) fileElement;
328 return new FileEditorInput((IFile)lrte.getResource());
329 }
330 }
331 return super.getAdapter(adapter);
332 }
333
334
338 public ICompareInput getInput() {
339 return input;
340 }
341
342 public boolean isConnectedToSharedDocument() {
343 if (fileElement instanceof LocalResourceTypedElement) {
344 LocalResourceTypedElement lrte = (LocalResourceTypedElement) fileElement;
345 return lrte.isConnected();
346 }
347 return false;
348 }
349 }
350 |
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