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2010-11-18 Francois Chouinard <fchouinard@gmail.com> Contribution for Bug315307
[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf.ui / src / org / eclipse / linuxtools / tmf / ui / views / project / ProjectView.java
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FC		 1/*******************************************************************************
2 * Copyright (c) 2009, 2010 Ericsson
3 *
4 * All rights reserved. This program and the accompanying materials are
5 * made available under the terms of the Eclipse Public License v1.0 which
6 * accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
8 *
9 * Contributors:
10 * Francois Chouinard - Initial API and implementation
11 *******************************************************************************/
12
13package org.eclipse.linuxtools.tmf.ui.views.project;
14
15import java.io.File;
16import java.net.URI;
17import java.util.ArrayList;
18import java.util.List;
19
20import org.eclipse.core.commands.ExecutionException;
21import org.eclipse.core.commands.NotEnabledException;
22import org.eclipse.core.commands.NotHandledException;
23import org.eclipse.core.commands.common.NotDefinedException;
24import org.eclipse.core.resources.IFile;
25import org.eclipse.core.resources.IFolder;
26import org.eclipse.core.resources.IProject;
27import org.eclipse.core.resources.IResource;
28import org.eclipse.core.resources.IResourceChangeEvent;
29import org.eclipse.core.resources.IResourceChangeListener;
30import org.eclipse.core.resources.IWorkspace;
31import org.eclipse.core.resources.IWorkspaceRoot;
32import org.eclipse.core.resources.ResourcesPlugin;
33import org.eclipse.core.runtime.CoreException;
34import org.eclipse.core.runtime.Path;
35import org.eclipse.core.runtime.Status;
36import org.eclipse.core.runtime.preferences.IEclipsePreferences;
37import org.eclipse.core.runtime.preferences.IEclipsePreferences.IPreferenceChangeListener;
38import org.eclipse.core.runtime.preferences.IEclipsePreferences.PreferenceChangeEvent;
39import org.eclipse.core.runtime.preferences.InstanceScope;
40import org.eclipse.jface.action.MenuManager;
41import org.eclipse.jface.viewers.StructuredSelection;
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FC		 42import org.eclipse.jface.viewers.TreeViewer;
43import org.eclipse.jface.viewers.ViewerDropAdapter;
44import org.eclipse.jface.viewers.ViewerSorter;
45import org.eclipse.linuxtools.tmf.event.TmfEvent;
46import org.eclipse.linuxtools.tmf.experiment.TmfExperiment;
47import org.eclipse.linuxtools.tmf.signal.TmfExperimentSelectedSignal;
48import org.eclipse.linuxtools.tmf.trace.ITmfTrace;
49import org.eclipse.linuxtools.tmf.ui.TmfUiPlugin;
50import org.eclipse.linuxtools.tmf.ui.TmfUiPreferenceInitializer;
51import org.eclipse.linuxtools.tmf.ui.editors.TmfEditorInput;
52import org.eclipse.linuxtools.tmf.ui.parsers.ParserProviderManager;
53import org.eclipse.linuxtools.tmf.ui.views.TmfView;
54import org.eclipse.linuxtools.tmf.ui.views.project.model.ITmfProjectTreeNode;
55import org.eclipse.linuxtools.tmf.ui.views.project.model.TmfExperimentNode;
56import org.eclipse.linuxtools.tmf.ui.views.project.model.TmfProjectContentProvider;
57import org.eclipse.linuxtools.tmf.ui.views.project.model.TmfProjectLabelProvider;
58import org.eclipse.linuxtools.tmf.ui.views.project.model.TmfProjectNode;
59import org.eclipse.linuxtools.tmf.ui.views.project.model.TmfProjectRoot;
60import org.eclipse.linuxtools.tmf.ui.views.project.model.TmfProjectTreeNode;
61import org.eclipse.linuxtools.tmf.ui.views.project.model.TmfTraceNode;
62import org.eclipse.swt.SWT;
63import org.eclipse.swt.dnd.DND;
64import org.eclipse.swt.dnd.FileTransfer;
65import org.eclipse.swt.dnd.Transfer;
66import org.eclipse.swt.dnd.TransferData;
67import org.eclipse.swt.events.MouseAdapter;
68import org.eclipse.swt.events.MouseEvent;
529ee6a9 69import org.eclipse.swt.graphics.Point;
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FC		 70import org.eclipse.swt.widgets.Composite;
71import org.eclipse.swt.widgets.Menu;
72import org.eclipse.swt.widgets.Tree;
529ee6a9 73import org.eclipse.swt.widgets.TreeItem;
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FC		 74import org.eclipse.ui.IEditorInput;
75import org.eclipse.ui.IEditorPart;
76import org.eclipse.ui.IReusableEditor;
77import org.eclipse.ui.IViewSite;
78import org.eclipse.ui.IWorkbench;
79import org.eclipse.ui.IWorkbenchPage;
80import org.eclipse.ui.IWorkbenchWindow;
81import org.eclipse.ui.PartInitException;
82import org.eclipse.ui.PlatformUI;
83import org.eclipse.ui.handlers.IHandlerService;
84import org.eclipse.ui.part.ResourceTransfer;
85import org.osgi.service.prefs.BackingStoreException;
86
87/**
88 * <b><u>ProjectView</u></b>
89 * <p>
90 * The ProjectView keeps track of the Tmf projects in the workspace.
91 */
92public class ProjectView extends TmfView {
93
3b38ea61 94 public static final String ID = "org.eclipse.linuxtools.tmf.ui.views.project"; //$NON-NLS-1$
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FC		 95
96 // ------------------------------------------------------------------------
97 // Main data structures
98 // ------------------------------------------------------------------------
99
100 private TreeViewer fViewer;
101 private TmfProjectRoot fProjectRoot;
102
103 private IWorkspace fWorkspace;
104 private IResourceChangeListener fResourceChangeListener;
105 private IPreferenceChangeListener fPreferenceChangeListener;
106
107 // ------------------------------------------------------------------------
108 // Static methods
109 // ------------------------------------------------------------------------
110
111 static public IFolder getActiveProjectTracesFolder() {
112 IEclipsePreferences node = new InstanceScope()
113 .getNode(TmfUiPlugin.PLUGIN_ID);
114 String activeProjectName = node.get(
115 TmfUiPreferenceInitializer.ACTIVE_PROJECT_PREFERENCE,
116 TmfUiPreferenceInitializer.ACTIVE_PROJECT_DEFAULT);
117 IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
118 IProject[] projects = root.getProjects();
119 for (IProject project : projects) {
120 if (project.isAccessible()
121 && project.getName().equals(activeProjectName)) {
122 return project.getFolder(TmfProjectNode.TRACE_FOLDER_NAME);
123 }
124 }
125 return null;
126 }
127
128 static public IFile createLink(URI uri) throws CoreException {
129 IFolder folder = getActiveProjectTracesFolder();
130 if (folder == null || !folder.exists()) {
9c4eb5f7 131 throw new CoreException(new Status(Status.ERROR, TmfUiPlugin.PLUGIN_ID, "No active project set")); //$NON-NLS-1$
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FC		 132 }
133 String path = uri.getPath();
134 // TODO: support duplicate file names
135 IFile file = folder.getFile(path.substring(path
136 .lastIndexOf(Path.SEPARATOR)));
137 if (!file.exists()) {
138 file.createLink(uri, IResource.NONE, null);
139 }
140 return file;
141 }
142
143 // ------------------------------------------------------------------------
144 // View refresher
145 // ------------------------------------------------------------------------
146
147 // Perform updates on the UI thread
148 private Runnable fViewRefresher = new Runnable() {
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FC		 149 @Override
150 public void run() {
db1ea19b 151 if ((fViewer != null) && (!fViewer.getTree().isDisposed())) {
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FC		 152 Object[] elements = fViewer.getExpandedElements();
153 fViewer.refresh();
154 fViewer.setExpandedElements(elements);
155 }
156 }
157 };
158
159 public TmfProjectRoot getRoot() {
160 return fProjectRoot;
161 }
162
163 // ------------------------------------------------------------------------
164 // Constructor
165 // ------------------------------------------------------------------------
166
167 public ProjectView() {
3b38ea61 168 super("Projects"); //$NON-NLS-1$
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FC		 169
170 fWorkspace = ResourcesPlugin.getWorkspace();
171 try {
172 fWorkspace.getRoot().refreshLocal(IResource.DEPTH_INFINITE, null);
173 } catch (CoreException e) {
174 e.printStackTrace();
175 }
176
177 fProjectRoot = new TmfProjectRoot(this);
178 }
179
180 public void refresh() {
181 Tree tree = fViewer.getTree();
182 if (tree != null && !tree.isDisposed())
183 tree.getDisplay().asyncExec(fViewRefresher);
184 }
185
186 public void setSelection(ITmfProjectTreeNode node) {
187 fViewer.setSelection(new StructuredSelection(node), true);
188 }
189
190 @Override
191 public void init(IViewSite site) throws PartInitException {
192 super.init(site);
193 fResourceChangeListener = new IResourceChangeListener() {
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FC		 194 @Override
195 public void resourceChanged(IResourceChangeEvent event) {
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FC		 196 if (event.getType() == IResourceChangeEvent.POST_CHANGE) {
197 fProjectRoot.refreshChildren();
198 refresh();
199 }
200 }
201 };
202 fWorkspace.addResourceChangeListener(fResourceChangeListener);
203 fPreferenceChangeListener = new IPreferenceChangeListener() {
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FC		 204 @Override
205 public void preferenceChange(PreferenceChangeEvent event) {
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FC		 206 refresh();
207 }
208 };
209 IEclipsePreferences node = new InstanceScope().getNode(TmfUiPlugin.PLUGIN_ID);
210 node.addPreferenceChangeListener(fPreferenceChangeListener);
211 }
212
213 @Override
214 public void dispose() {
215 fWorkspace.removeResourceChangeListener(fResourceChangeListener);
216 }
217
218 @Override
219 public void createPartControl(Composite parent) {
220
221 fViewer = new TreeViewer(parent, SWT.SINGLE);
222 fViewer.setContentProvider(new TmfProjectContentProvider());
223 fViewer.setSorter(new ViewerSorter());
224 fViewer.setLabelProvider(new TmfProjectLabelProvider());
225 fViewer.setInput(fProjectRoot);
226
227 int ops = DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK;
228 Transfer[] transfers = new Transfer[] { ResourceTransfer.getInstance(), FileTransfer.getInstance() };
229 fViewer.addDropSupport(ops, transfers, new ViewerDropAdapter(fViewer) {
230 @Override
231 public boolean validateDrop(Object target, int operation, TransferData transferType) {
232 if (! (target instanceof ITmfProjectTreeNode)) {
233 return false;
234 }
235 overrideOperation(DND.DROP_LINK);
236 return true;
237 }
238 @Override
239 public boolean performDrop(Object data) {
240 Object target = getCurrentTarget();
241 ITmfProjectTreeNode node = (TmfProjectTreeNode) target;
242 while (node != null && !(node instanceof TmfProjectNode)) {
243 node = node.getParent();
244 }
245 IFolder targetFolder = ((TmfProjectNode) node).getTracesFolder().getFolder();
246 if (data instanceof String[]) {
247 // FileTransfer
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FC		 248 System.out.println("Drop:" + ((String[])data)[0]); //$NON-NLS-1$
249 System.out.println("Folder:" + targetFolder); //$NON-NLS-1$
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FC		 250 for (String path : (String[]) data) {
251 File sourceFile = new File(path);
252 if (sourceFile.isFile()) {
253 IFile file = targetFolder.getFile(path.substring(path.lastIndexOf(File.separator)));
254 try {
255 file.createLink(sourceFile.toURI(), IResource.NONE, null);
256 ITmfTrace trace = ParserProviderManager.getTrace(file);
257 if (trace != null) {
258 trace.dispose();
259 }
260 } catch (CoreException e) {
261 e.printStackTrace();
262 }
263 }
264 }
265 } else if (data instanceof IResource[]) {
266 // ResourceTransfer
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FC		 267 System.out.println("Drop:" + ((IResource[])data)[0].getName()); //$NON-NLS-1$
268 System.out.println("Folder:" + targetFolder); //$NON-NLS-1$
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FC		 269 for (IResource resource : (IResource[]) data) {
270 if (resource instanceof IFile) {
271 IFile file = targetFolder.getFile(resource.getName());
272 try {
273 file.createLink(resource.getLocation(), IResource.NONE, null);
274 String parser = resource.getPersistentProperty(ParserProviderManager.PARSER_PROPERTY);
275 file.setPersistentProperty(ParserProviderManager.PARSER_PROPERTY, parser);
276 } catch (CoreException e) {
277 e.printStackTrace();
278 }
279 }
280
281 }
282 }
283 return true;
284 }
285 });
286
287 getSite().setSelectionProvider(fViewer);
288 hookMouse();
289
290 createContextMenu();
291 }
292
293 // ------------------------------------------------------------------------
294 // ViewPart
295 // ------------------------------------------------------------------------
296
297 @Override
3b38ea61 298 @SuppressWarnings("nls")
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FC		 299 public String toString() {
300 return "[ProjectView]";
301 }
302
303 // ------------------------------------------------------------------------
304 // hookMouse
305 // ------------------------------------------------------------------------
306
307 private void hookMouse() {
308 fViewer.getTree().addMouseListener(new MouseAdapter() {
309 @Override
310 public void mouseDoubleClick(MouseEvent event) {
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FC		 311 TreeItem treeItem = fViewer.getTree().getItem(new Point(event.x, event.y));
312 if (treeItem == null) return;
313 Object element = treeItem.getData();
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FC		 314 if (element instanceof TmfExperimentNode) {
315 TmfExperimentNode experiment = (TmfExperimentNode) element;
316 selectExperiment(experiment);
317 } else if (element instanceof TmfProjectNode) {
318 TmfProjectNode project = (TmfProjectNode) element;
319 if (project.isOpen() && project.isTmfProject()) {
320 IEclipsePreferences node = new InstanceScope().getNode(TmfUiPlugin.PLUGIN_ID);
321 node.put(TmfUiPreferenceInitializer.ACTIVE_PROJECT_PREFERENCE, ((TmfProjectNode) element).getName());
322 try {
323 node.flush();
324 } catch (BackingStoreException e) {
325 e.printStackTrace();
326 }
327 }
328 } else if (element instanceof TmfTraceNode) {
329 IWorkbench wb = PlatformUI.getWorkbench();
330 IWorkbenchWindow win = wb.getActiveWorkbenchWindow();
331 IHandlerService handlerService = (IHandlerService) win.getService(IHandlerService.class);
332 try {
3b38ea61 333 handlerService.executeCommand("org.eclipse.linuxtools.tmf.ui.command.project.trace.open", null); //$NON-NLS-1$
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FC		 334 } catch (ExecutionException e) {
335 e.printStackTrace();
336 } catch (NotDefinedException e) {
337 e.printStackTrace();
338 } catch (NotEnabledException e) {
339 } catch (NotHandledException e) {
340 e.printStackTrace();
341 }
342 }
343 }
344 });
345 }
346
347 public void selectExperiment(TmfExperimentNode experiment) {
348 String expId = experiment.getName();
349// if (fSelectedExperiment != null)
350// fSelectedExperiment.deregister();
351 try {
352 TmfTraceNode[] traceEntries = experiment.getTraces();
353 int nbTraces = traceEntries.length;
354 List<ITmfTrace> traces = new ArrayList<ITmfTrace>();
355 int cacheSize = Integer.MAX_VALUE;
356 for (int i = 0; i < nbTraces; i++) {
357 IResource resource = traceEntries[i].getResource();
358 resource = experiment.getProject().getTracesFolder().getTraceForLocation(resource.getLocation()).getResource();
359 ITmfTrace expTrace = ParserProviderManager.getTrace(resource);
360 if (expTrace != null) {
361 traces.add(expTrace);
362 cacheSize = Math.min(cacheSize, expTrace.getCacheSize());
363 try {
364 // create a new independent copy of the trace for the editor
365 ITmfTrace trace = ParserProviderManager.getTrace(resource);
366 IEditorInput editorInput = new TmfEditorInput(resource, trace);
367 IWorkbench wb = PlatformUI.getWorkbench();
368 IWorkbenchPage activePage = wb.getActiveWorkbenchWindow().getActivePage();
369
370 String editorId = ParserProviderManager.getEditorId(resource);
371 IEditorPart editor = activePage.findEditor(editorInput);
372 if (editor != null && editor instanceof IReusableEditor) {
373 activePage.reuseEditor((IReusableEditor)editor, editorInput);
374 activePage.activate(editor);
375 } else {
376 editor = activePage.openEditor(editorInput, editorId);
377 }
378
379 } catch (PartInitException e) {
380 e.printStackTrace();
381 }
382 }
383 }
384 TmfExperiment<TmfEvent> selectedExperiment = new TmfExperiment<TmfEvent>(TmfEvent.class, expId, traces.toArray(new ITmfTrace[0]), cacheSize);
385 broadcast(new TmfExperimentSelectedSignal<TmfEvent>(this, selectedExperiment));
386 } catch (Exception e) {
387 e.printStackTrace();
388 }
389 }
390
391 // ------------------------------------------------------------------------
392 // createContextMenu
393 // ------------------------------------------------------------------------
394
395 // Populated from the plug-in
396 private void createContextMenu() {
3b38ea61 397 MenuManager menuManager = new MenuManager("#PopupMenu"); //$NON-NLS-1$
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FC		 398 menuManager.setRemoveAllWhenShown(true);
399 Menu menu = menuManager.createContextMenu(fViewer.getControl());
400 fViewer.getControl().setMenu(menu);
401 getSite().registerContextMenu(menuManager, fViewer);
402 }
403
404}
Tracecompass - Deliverables
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