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1
11 package org.eclipse.team.internal.ccvs.ui;
12
13 import java.io.IOException  ;
14 import java.io.InputStream ;
15 import java.util.Collection ;
16 import java.util.Iterator ;
17
18 import org.eclipse.core.resources.IResource;
19 import org.eclipse.core.runtime.CoreException;
20 import org.eclipse.jface.text.*;
21 import org.eclipse.jface.viewers.*;
22 import org.eclipse.osgi.util.NLS;
23 import org.eclipse.swt.SWT;
24 import org.eclipse.swt.layout.GridData;
25 import org.eclipse.swt.widgets.*;
26 import org.eclipse.team.internal.ccvs.core.*;
27 import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot;
28 import org.eclipse.team.ui.TeamUI;
29 import org.eclipse.team.ui.history.IHistoryPage;
30 import org.eclipse.team.ui.history.IHistoryView;
31 import org.eclipse.ui.*;
32 import org.eclipse.ui.editors.text.EditorsUI;
33 import org.eclipse.ui.internal.registry.EditorDescriptor;
34 import org.eclipse.ui.part.ViewPart;
35 import org.eclipse.ui.texteditor.IDocumentProvider;
36 import org.eclipse.ui.texteditor.ITextEditor;
37
38
43 public class AnnotateView extends ViewPart implements ISelectionChangedListener {
44
45 ITextEditor editor;
46 IHistoryView historyView;
47 IWorkbenchPage page;
48
49 ListViewer viewer;
50 IDocument document;
51 Collection cvsAnnotateBlocks;
52 ICVSResource cvsResource;
53 InputStream contents;
54
55 IStructuredSelection previousListSelection;
56 ITextSelection previousTextSelection;
57 boolean lastSelectionWasText = false;
58
59
60 public static final String VIEW_ID = "org.eclipse.team.ccvs.ui.AnnotateView"; private Composite top;
62
63 private IPartListener partListener = new IPartListener() {
64 public void partActivated(IWorkbenchPart part) {
65 }
66 public void partBroughtToTop(IWorkbenchPart part) {
67 }
68 public void partClosed(IWorkbenchPart part) {
69 if (editor != null && part == editor) {
70 disconnect();
71 }
72 }
73 public void partDeactivated(IWorkbenchPart part) {
74 }
75 public void partOpened(IWorkbenchPart part) {
76 }
77 };
78
79 public AnnotateView() {
80 super();
81 }
82
83 public void createPartControl(Composite parent) {
84
85 this.top = parent;
86
87 Label label = new Label(top, SWT.WRAP);
89 label.setText(CVSUIMessages.CVSAnnotateView_viewInstructions);
90 top.layout();
91 PlatformUI.getWorkbench().getHelpSystem().setHelp(label, IHelpContextIds.ANNOTATE_VIEW);
92 }
93
94
101 public void showAnnotations(ICVSResource cvsResource, Collection cvsAnnotateBlocks, InputStream contents) throws PartInitException, CVSException {
102 showAnnotations(cvsResource, cvsAnnotateBlocks, contents, true);
103 }
104
105
113 public void showAnnotations(ICVSResource cvsResource, Collection cvsAnnotateBlocks, InputStream contents, boolean useHistoryView) throws PartInitException, CVSException {
114
115 disconnect();
117
118 Control[] oldChildren = top.getChildren();
120 if (oldChildren != null) {
121 for (int i = 0; i < oldChildren.length; i++) {
122 oldChildren[i].dispose();
123 }
124 }
125
126 viewer = new ListViewer(top, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL);
127 viewer.setContentProvider(new ArrayContentProvider());
128 viewer.setLabelProvider(new LabelProvider());
129 viewer.addSelectionChangedListener(this);
130 viewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
131
132 PlatformUI.getWorkbench().getHelpSystem().setHelp(viewer.getControl(), IHelpContextIds.ANNOTATE_VIEW);
133
134 top.layout();
135
136 this.cvsResource = cvsResource;
137 this.contents = contents;
138 this.cvsAnnotateBlocks = cvsAnnotateBlocks;
139 page = CVSUIPlugin.getActivePage();
140 viewer.setInput(cvsAnnotateBlocks);
141 editor = (ITextEditor) openEditor();
142 IDocumentProvider provider = editor.getDocumentProvider();
143 document = provider.getDocument(editor.getEditorInput());
144
145 setPartName(NLS.bind(CVSUIMessages.CVSAnnotateView_showFileAnnotation, (new Object [] {cvsResource.getName()})));
146 IResource localResource = cvsResource.getIResource();
147 if (localResource != null) {
148 setTitleToolTip(localResource.getFullPath().toString());
149 } else {
150 setTitleToolTip(cvsResource.getName());
151 }
152
153 if (!useHistoryView) {
154 return;
155 }
156
157 historyView = TeamUI.showHistoryFor(page, CVSWorkspaceRoot.getRemoteResourceFor(cvsResource), null);
159 }
160
161 protected void disconnect() {
162 if(editor != null) {
163 if (editor.getSelectionProvider() instanceof IPostSelectionProvider) {
164 ((IPostSelectionProvider) editor.getSelectionProvider()).removePostSelectionChangedListener(this);
165 }
166 editor.getSite().getPage().removePartListener(partListener);
167 editor = null;
168 document = null;
169 }
170 }
171
172
177 public static AnnotateView openInActivePerspective() throws PartInitException {
178 return (AnnotateView) CVSUIPlugin.getActivePage().showView(VIEW_ID);
179 }
180
181
185 public void selectionChanged(SelectionChangedEvent event) {
186
187 if (event.getSelection() instanceof IStructuredSelection) {
188 listSelectionChanged((IStructuredSelection) event.getSelection());
189 } else if (event.getSelection() instanceof ITextSelection) {
190 textSelectionChanged((ITextSelection) event.getSelection());
191 }
192 }
193
194
197 public void dispose() {
198 disconnect();
199 }
200
201
205 private void textSelectionChanged(ITextSelection selection) {
206
207 lastSelectionWasText = true;
210
211 CVSAnnotateBlock match = null;
213 for (Iterator iterator = cvsAnnotateBlocks.iterator(); iterator.hasNext();) {
214 CVSAnnotateBlock block = (CVSAnnotateBlock) iterator.next();
215 if (block.contains(selection.getStartLine())) {
216 match = block;
217 break;
218 }
219 }
220
221 if (match == null) {
223 return;
224 }
225
226 StructuredSelection listSelection = new StructuredSelection(match);
227 viewer.setSelection(listSelection, true);
228 }
229
230
234 private void listSelectionChanged(IStructuredSelection selection) {
235
236 if (editor == null || editor.getSelectionProvider() == null) {
238 try {
239 contents.reset();
240 showAnnotations(cvsResource, cvsAnnotateBlocks, contents, false);
241 } catch (CVSException e) {
242 return;
243 } catch (PartInitException e) {
244 return;
245 } catch (IOException e) {
246 return;
247 }
248 }
249
250 ISelectionProvider selectionProvider = editor.getSelectionProvider();
251 if (selectionProvider == null) {
252 return;
254 }
255
256 ITextSelection textSelection = (ITextSelection) selectionProvider.getSelection();
257 if (textSelection == null) return;
258
259 if (selection.size() != 1 || !(selection.getFirstElement() instanceof CVSAnnotateBlock))
260 return;
261
262 CVSAnnotateBlock listSelection = (CVSAnnotateBlock) selection.getFirstElement();
263 if (listSelection == null) return;
264
265
271
272 if (textSelection.getStartLine() == listSelection.getStartLine() && textSelection.getEndLine() == listSelection.getEndLine() && selection.equals(previousListSelection)) {
273 return;
274 }
275
276 if (!lastSelectionWasText) {
278 try {
279 int start = document.getLineOffset(listSelection.getStartLine());
280 int end = document.getLineOffset(listSelection.getEndLine() + 1);
281 editor.selectAndReveal(start, end - start);
282 if (editor != null && !page.isPartVisible(editor)) {
283 page.activate(editor);
284 }
285
286 } catch (BadLocationException e) {
287 }
289 }
290
291
292 if(historyView != null) {
294 IHistoryPage historyPage = historyView.getHistoryPage();
295 if (historyPage instanceof CVSHistoryPage){
296 ((CVSHistoryPage) historyPage).selectRevision(listSelection.getRevision());
297 lastSelectionWasText = false;
298 }
299 }
300 }
301
302
306 private IEditorPart openEditor() throws CVSException, PartInitException {
307 ICVSRemoteFile file = (ICVSRemoteFile) CVSWorkspaceRoot.getRemoteResourceFor(cvsResource);
308
309 String id = getEditorId(file);
314 ITextEditor editor = getEditor(id, file);
315
316 if (editor.getSelectionProvider() instanceof IPostSelectionProvider) {
318 ((IPostSelectionProvider) editor.getSelectionProvider()).addPostSelectionChangedListener(this);
319 }
320 editor.getSite().getPage().addPartListener(partListener);
321 return editor;
322 }
323
324 private ITextEditor getEditor(String id, ICVSRemoteFile file) throws PartInitException {
325 if (editor != null && editor instanceof IReusableEditor && page.isPartVisible(editor) && editor.getSite().getId().equals(id)) {
327 ((IReusableEditor) editor).setInput(new RemoteAnnotationEditorInput(file, contents));
329 return editor;
330 } else {
331 if (editor != null) {
333 page.closeEditor(editor, false);
334 editor = null;
335 }
336 IEditorPart part = page.openEditor(new RemoteAnnotationEditorInput(file, contents), id);
337 if (part instanceof ITextEditor) {
338 return (ITextEditor)part;
339 } else {
340 page.closeEditor(part, false);
343 part = page.openEditor(new RemoteAnnotationEditorInput(file, contents), EditorsUI.DEFAULT_TEXT_EDITOR_ID);
344 if (part instanceof ITextEditor) {
345 return (ITextEditor)part;
346 } else {
347 throw new PartInitException(CVSUIMessages.AnnotateView_0);
349 }
350 }
351 }
352 }
353
354 private String getEditorId(ICVSRemoteFile file) {
355 String id;
356 IEditorRegistry registry = CVSUIPlugin.getPlugin().getWorkbench().getEditorRegistry();
357 IEditorDescriptor descriptor = registry.getDefaultEditor(file.getName());
358 if (descriptor == null || !descriptor.isInternal()) {
359 id = EditorsUI.DEFAULT_TEXT_EDITOR_ID;
360 } else {
361 try {
362 if (isTextEditor(descriptor)) {
363 id = descriptor.getId();
364 } else {
365 id = EditorsUI.DEFAULT_TEXT_EDITOR_ID;
366 }
367 } catch (CoreException e) {
368 id = EditorsUI.DEFAULT_TEXT_EDITOR_ID;
369 }
370 }
371 return id;
372 }
373
374 private boolean isTextEditor(IEditorDescriptor descriptor)
375 throws CoreException {
376 if (descriptor instanceof EditorDescriptor) {
377 EditorDescriptor desc = (EditorDescriptor) descriptor;
378 return desc.createEditor() instanceof ITextEditor;
379 }
380 return false;
381 }
382
383 public void setFocus() {
386 return;
387 }
388 }
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