| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.views.launch; |
| |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.core.resources.IMarker; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IResourceChangeEvent; |
| import org.eclipse.core.resources.IResourceChangeListener; |
| import org.eclipse.core.resources.IResourceDelta; |
| import org.eclipse.core.resources.IResourceDeltaVisitor; |
| import org.eclipse.core.resources.IWorkspace; |
| import org.eclipse.core.resources.IWorkspaceRoot; |
| import org.eclipse.core.resources.IWorkspaceRunnable; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.MultiStatus; |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.DebugPlugin; |
| import org.eclipse.debug.core.ILaunch; |
| import org.eclipse.debug.core.ILaunchManager; |
| import org.eclipse.debug.core.model.IDebugElement; |
| import org.eclipse.debug.core.model.IDebugTarget; |
| import org.eclipse.debug.core.model.IProcess; |
| import org.eclipse.debug.core.model.ISourceLocator; |
| import org.eclipse.debug.core.model.IStackFrame; |
| import org.eclipse.debug.core.model.ITerminate; |
| import org.eclipse.debug.core.model.IThread; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.internal.ui.DelegatingModelPresentation; |
| import org.eclipse.debug.internal.ui.IDebugHelpContextIds; |
| import org.eclipse.debug.internal.ui.IInternalDebugUIConstants; |
| import org.eclipse.debug.internal.ui.actions.EditLaunchConfigurationAction; |
| import org.eclipse.debug.internal.ui.views.AbstractDebugEventHandlerView; |
| import org.eclipse.debug.internal.ui.views.DebugUIViewsMessages; |
| import org.eclipse.debug.ui.DebugUITools; |
| import org.eclipse.debug.ui.IDebugEditorPresentation; |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| import org.eclipse.debug.ui.ISourcePresentation; |
| import org.eclipse.jface.action.GroupMarker; |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.jface.action.IToolBarManager; |
| import org.eclipse.jface.action.Separator; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.util.IPropertyChangeListener; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| import org.eclipse.jface.viewers.DoubleClickEvent; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.BusyIndicator; |
| import org.eclipse.swt.events.KeyAdapter; |
| import org.eclipse.swt.events.KeyEvent; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.TreeItem; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IEditorReference; |
| import org.eclipse.ui.IMemento; |
| import org.eclipse.ui.IPageLayout; |
| import org.eclipse.ui.IPageListener; |
| import org.eclipse.ui.IPerspectiveDescriptor; |
| import org.eclipse.ui.IPerspectiveListener; |
| import org.eclipse.ui.IReusableEditor; |
| import org.eclipse.ui.IViewSite; |
| import org.eclipse.ui.IWorkbenchActionConstants; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.dialogs.PropertyDialogAction; |
| import org.eclipse.ui.part.IShowInSource; |
| import org.eclipse.ui.part.IShowInTarget; |
| import org.eclipse.ui.part.IShowInTargetList; |
| import org.eclipse.ui.part.ShowInContext; |
| import org.eclipse.ui.texteditor.IDocumentProvider; |
| import org.eclipse.ui.texteditor.ITextEditor; |
| |
| public class LaunchView extends AbstractDebugEventHandlerView implements ISelectionChangedListener, IPerspectiveListener, IPageListener, IPropertyChangeListener, IResourceChangeListener, IShowInTarget, IShowInSource, IShowInTargetList { |
| |
| /** |
| * A marker for the source selection and icon for an |
| * instruction pointer. This marker is transient. |
| */ |
| private IMarker fInstructionPointer; |
| private boolean fShowingEditor = false; |
| |
| // marker attributes |
| private final static String[] fgStartEnd = |
| new String[] {IMarker.CHAR_START, IMarker.CHAR_END}; |
| |
| private final static String[] fgLineStartEnd = |
| new String[] {IMarker.LINE_NUMBER, IMarker.CHAR_START, IMarker.CHAR_END}; |
| |
| /** |
| * Cache of the stack frame that source was displayed |
| * for. |
| */ |
| private IStackFrame fStackFrame = null; |
| |
| /** |
| * Cache of the editor input used to display source |
| */ |
| private IEditorInput fEditorInput = null; |
| |
| /** |
| * Cache of the editor id used to display source |
| */ |
| private String fEditorId = null; |
| |
| /** |
| * Whether this view is in the active page of a perspective. |
| */ |
| private boolean fIsActive = true; |
| |
| /** |
| * Editor to reuse |
| */ |
| private IEditorPart fEditor = null; |
| |
| /** |
| * The source element corresponding to the selected stack frame |
| */ |
| private Object fSourceElement = null; |
| |
| /** |
| * The restored editor index of the editor to re-use |
| */ |
| private int fEditorIndex = -1; |
| |
| /** |
| * Whether to re-use editors |
| */ |
| private boolean fReuseEditor = DebugUIPlugin.getDefault().getPreferenceStore().getBoolean(IDebugUIConstants.PREF_REUSE_EDITOR); |
| |
| /** |
| * Resource delta visitor |
| */ |
| private IResourceDeltaVisitor fVisitor = null; |
| |
| /** |
| * Editor presentation or <code>null</code> if none |
| */ |
| private IDebugEditorPresentation fEditorPresentation = null; |
| |
| private EditLaunchConfigurationAction fEditConfigAction = null; |
| |
| /** |
| * Creates a launch view and an instruction pointer marker for the view |
| */ |
| public LaunchView() { |
| DebugUIPlugin.getDefault().getPreferenceStore().addPropertyChangeListener(this); |
| ResourcesPlugin.getWorkspace().addResourceChangeListener(this); |
| } |
| |
| /** |
| * @see AbstractDebugView#getHelpContextId() |
| */ |
| protected String getHelpContextId() { |
| return IDebugHelpContextIds.DEBUG_VIEW; |
| } |
| |
| /** |
| * @see AbstractDebugView#createActions() |
| */ |
| protected void createActions() { |
| setAction("Properties", new PropertyDialogAction(getSite().getWorkbenchWindow().getShell(), getSite().getSelectionProvider())); //$NON-NLS-1$ |
| fEditConfigAction = new EditLaunchConfigurationAction(); |
| getSite().getSelectionProvider().addSelectionChangedListener(fEditConfigAction); |
| |
| // submit an async exec to update the selection once the |
| // view has been created - i.e. auto-expand and select the |
| // suspended thread on creation. (Done here, because the |
| // viewer needs to be set). |
| Runnable r = new Runnable() { |
| public void run() { |
| initializeSelection(); |
| } |
| }; |
| asyncExec(r); |
| |
| } |
| |
| /** |
| * @see AbstractDebugView#createViewer(Composite) |
| */ |
| protected Viewer createViewer(Composite parent) { |
| LaunchViewer lv = new LaunchViewer(parent); |
| lv.addSelectionChangedListener(this); |
| lv.getControl().addKeyListener(new KeyAdapter() { |
| public void keyPressed(KeyEvent event) { |
| if (event.character == SWT.DEL && event.stateMask == 0) { |
| handleDeleteKeyPressed(); |
| } |
| } |
| }); |
| lv.setContentProvider(createContentProvider()); |
| DelegatingModelPresentation presentation = new DelegatingModelPresentation(); |
| lv.setLabelProvider(presentation); |
| fEditorPresentation = presentation; |
| // add my viewer as a selection provider, so selective re-launch works |
| getSite().setSelectionProvider(lv); |
| lv.setInput(DebugPlugin.getDefault().getLaunchManager()); |
| setEventHandler(new LaunchViewEventHandler(this)); |
| |
| // determine if active |
| setActive(getSite().getPage().findView(getSite().getId()) != null); |
| |
| return lv; |
| } |
| |
| private void handleDeleteKeyPressed() { |
| IStructuredSelection selection= (IStructuredSelection) getViewer().getSelection(); |
| Iterator iter= selection.iterator(); |
| Object item; |
| boolean itemsToTerminate= false; |
| ITerminate terminable; |
| while (iter.hasNext()) { |
| item= iter.next(); |
| if (item instanceof ITerminate) { |
| terminable= (ITerminate) item; |
| if (terminable.canTerminate() && !terminable.isTerminated()) { |
| itemsToTerminate= true; |
| break; |
| } |
| } |
| } |
| if (itemsToTerminate) { |
| // Prompt the user to proceed with termination |
| if (!MessageDialog.openQuestion(getSite().getShell(), DebugUIViewsMessages.getString("LaunchView.Terminate_and_Remove_1"), DebugUIViewsMessages.getString("LaunchView.Terminate_and_remove_selected__2"))) { //$NON-NLS-1$ //$NON-NLS-2$ |
| return; |
| } |
| } |
| MultiStatus status= new MultiStatus(DebugUIPlugin.getUniqueIdentifier(), DebugException.REQUEST_FAILED, DebugUIViewsMessages.getString("LaunchView.Exceptions_occurred_attempting_to_terminate_and_remove_3"), null); //$NON-NLS-1$ |
| iter= selection.iterator(); |
| while (iter.hasNext()) { |
| try { |
| terminateAndRemove(iter.next()); |
| } catch (DebugException exception) { |
| status.merge(exception.getStatus()); |
| } |
| } |
| if (!status.isOK()) { |
| IWorkbenchWindow window= DebugUIPlugin.getActiveWorkbenchWindow(); |
| if (window != null) { |
| DebugUIPlugin.errorDialog(window.getShell(), DebugUIViewsMessages.getString("LaunchView.Terminate_and_Remove_4"), DebugUIViewsMessages.getString("LaunchView.Terminate_and_remove_failed_5"), status); //$NON-NLS-1$ //$NON-NLS-2$ |
| } else { |
| DebugUIPlugin.log(status); |
| } |
| } |
| } |
| |
| /** |
| * Terminates and removes the given element from the launch manager |
| */ |
| public static void terminateAndRemove(Object element) throws DebugException { |
| if (!(element instanceof ITerminate)) { |
| return; |
| } |
| ITerminate terminable= (ITerminate) element; |
| if (!(terminable.canTerminate() || terminable.isTerminated())) { |
| // Don't try to terminate or remove attached launches |
| return; |
| } |
| try { |
| if (!terminable.isTerminated()) { |
| terminable.terminate(); |
| } |
| } finally { |
| remove(element); |
| } |
| } |
| |
| /** |
| * Removes the given element from the launch manager. Has no effect if the |
| * given element is not of type ILaunch, IDebugElement, or IProcess |
| */ |
| private static void remove(Object element) { |
| ILaunch launch= null; |
| if (element instanceof ILaunch) { |
| launch= (ILaunch) element; |
| } else if (element instanceof IDebugElement) { |
| launch= ((IDebugElement) element).getLaunch(); |
| } else if (element instanceof IProcess) { |
| launch= ((IProcess) element).getLaunch(); |
| } else { |
| return; |
| } |
| ILaunchManager lManager= DebugPlugin.getDefault().getLaunchManager(); |
| lManager.removeLaunch(launch); |
| } |
| |
| /** |
| * Select the first stack frame in a suspended thread, |
| * if any. |
| */ |
| protected void initializeSelection() { |
| if (!isAvailable()) { |
| return; |
| } |
| TreeViewer tv = (TreeViewer)getViewer(); |
| tv.expandToLevel(2); |
| Object[] elements = tv.getExpandedElements(); |
| for (int i = 0; i < elements.length; i++) { |
| if (elements[i] instanceof ILaunch) { |
| IStackFrame frame = findFrame((ILaunch)elements[i]); |
| if (frame != null) { |
| autoExpand(frame, false, true); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Returns the first stack frame in the first suspended |
| * thread of the given launch, or <code>null</code> if |
| * none. |
| * |
| * @param launch a launch in this view |
| * @return stack frame or <code>null</code> |
| */ |
| protected IStackFrame findFrame(ILaunch launch) { |
| IDebugTarget target = launch.getDebugTarget(); |
| if (target != null) { |
| try { |
| IThread[] threads = target.getThreads(); |
| for (int i = 0; i < threads.length; i++) { |
| if (threads[i].isSuspended()) { |
| return threads[i].getTopStackFrame(); |
| } |
| } |
| } catch (DebugException e) { |
| DebugUIPlugin.log(e); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * @see IViewPart#init(IViewSite) |
| */ |
| public void init(IViewSite site) throws PartInitException { |
| super.init(site); |
| site.getPage().addPartListener(this); |
| site.getWorkbenchWindow().addPageListener(this); |
| site.getWorkbenchWindow().addPerspectiveListener(this); |
| } |
| |
| /** |
| * @see IViewPart#init(org.eclipse.ui.IViewSite, org.eclipse.ui.IMemento) |
| */ |
| public void init(IViewSite site, IMemento memento) throws PartInitException { |
| super.init(site, memento); |
| site.getPage().addPartListener(this); |
| site.getWorkbenchWindow().addPageListener(this); |
| site.getWorkbenchWindow().addPerspectiveListener(this); |
| if (fReuseEditor && memento != null) { |
| String index = memento.getString(IDebugUIConstants.PREF_REUSE_EDITOR); |
| if (index != null) { |
| try { |
| fEditorIndex = Integer.parseInt(index); |
| } catch (NumberFormatException e) { |
| DebugUIPlugin.log(e); |
| } |
| } |
| } |
| } |
| |
| /** |
| * @see AbstractDebugView#configureToolBar(IToolBarManager) |
| */ |
| protected void configureToolBar(IToolBarManager tbm) { |
| tbm.add(new Separator(IDebugUIConstants.THREAD_GROUP)); |
| tbm.add(new Separator(IDebugUIConstants.STEP_GROUP)); |
| tbm.add(new GroupMarker(IDebugUIConstants.STEP_INTO_GROUP)); |
| tbm.add(new GroupMarker(IDebugUIConstants.STEP_OVER_GROUP)); |
| tbm.add(new GroupMarker(IDebugUIConstants.STEP_RETURN_GROUP)); |
| tbm.add(new GroupMarker(IDebugUIConstants.EMPTY_STEP_GROUP)); |
| tbm.add(new Separator(IDebugUIConstants.RENDER_GROUP)); |
| } |
| |
| /** |
| * @see IWorkbenchPart#dispose() |
| */ |
| public void dispose() { |
| if (getViewer() != null) { |
| getViewer().removeSelectionChangedListener(this); |
| } |
| |
| getSite().getPage().removePartListener(this); |
| getSite().getWorkbenchWindow().removePerspectiveListener(this); |
| getSite().getWorkbenchWindow().removePageListener(this); |
| getSite().getSelectionProvider().removeSelectionChangedListener(fEditConfigAction); |
| |
| cleanup(); |
| |
| DebugUIPlugin.getDefault().getPreferenceStore().removePropertyChangeListener(this); |
| ResourcesPlugin.getWorkspace().removeResourceChangeListener(this); |
| super.dispose(); |
| } |
| |
| /** |
| * Disposes of cached information |
| */ |
| protected void cleanup() { |
| setEditorId(null); |
| setEditorInput(null); |
| setStackFrame(null); |
| } |
| |
| /** |
| * Creates and returns the content provider to use for |
| * the viewer of this view. |
| */ |
| protected IStructuredContentProvider createContentProvider() { |
| return new LaunchViewContentProvider(); |
| } |
| |
| /** |
| * The selection has changed in the viewer. Show the |
| * associated source code if it is a stack frame. |
| * |
| * @see ISelectionChangedListener#selectionChanged(SelectionChangedEvent) |
| */ |
| public void selectionChanged(SelectionChangedEvent event) { |
| clearStatusLine(); |
| updateObjects(); |
| showEditorForCurrentSelection(); |
| } |
| |
| /** |
| * @see IDoubleClickListener#doubleClick(DoubleClickEvent) |
| */ |
| public void doubleClick(DoubleClickEvent event) { |
| ISelection selection= event.getSelection(); |
| if (!(selection instanceof IStructuredSelection)) { |
| return; |
| } |
| IStructuredSelection ss= (IStructuredSelection)selection; |
| Object o= ss.getFirstElement(); |
| if (o instanceof IStackFrame) { |
| return; |
| } |
| TreeViewer tViewer= (TreeViewer)getViewer(); |
| boolean expanded= tViewer.getExpandedState(o); |
| tViewer.setExpandedState(o, !expanded); |
| } |
| |
| /** |
| * @see IPerspectiveListener#perspectiveActivated(IWorkbenchPage, IPerspectiveDescriptor) |
| */ |
| public void perspectiveActivated(IWorkbenchPage page, IPerspectiveDescriptor perspective) { |
| setActive(page.findView(getSite().getId()) != null); |
| updateObjects(); |
| showEditorForCurrentSelection(); |
| } |
| |
| /** |
| * @see IPerspectiveListener#perspectiveChanged(IWorkbenchPage, IPerspectiveDescriptor, String) |
| */ |
| public void perspectiveChanged(IWorkbenchPage page, IPerspectiveDescriptor perspective, String changeId) { |
| setActive(page.findView(getSite().getId()) != null); |
| } |
| |
| /** |
| * @see IPageListener#pageActivated(IWorkbenchPage) |
| */ |
| public void pageActivated(IWorkbenchPage page) { |
| if (getSite().getPage().equals(page)) { |
| setActive(true); |
| updateObjects(); |
| showEditorForCurrentSelection(); |
| } |
| } |
| |
| /** |
| * @see org.eclipse.ui.IPartListener#partClosed(org.eclipse.ui.IWorkbenchPart) |
| */ |
| public void partClosed(IWorkbenchPart part) { |
| if (part.equals(fEditor)) { |
| fEditor = null; |
| } |
| } |
| |
| /** |
| * @see IPageListener#pageClosed(IWorkbenchPage) |
| */ |
| public void pageClosed(IWorkbenchPage page) { |
| } |
| |
| /** |
| * @see IPageListener#pageOpened(IWorkbenchPage) |
| */ |
| public void pageOpened(IWorkbenchPage page) { |
| } |
| |
| /** |
| * Returns the configured instruction pointer or <code>null</code> if an |
| * exception occurs creating the marker. Selection is based on the line |
| * number OR char start and char end. |
| */ |
| protected IMarker getInstructionPointer(final int lineNumber, final int charStart, final int charEnd) { |
| |
| if (fInstructionPointer == null) { |
| try { |
| fInstructionPointer = ResourcesPlugin.getWorkspace().getRoot().createMarker(IInternalDebugUIConstants.INSTRUCTION_POINTER); |
| } catch (CoreException e) { |
| DebugUIPlugin.log(e); |
| return null; |
| } |
| } |
| |
| IWorkspace workspace= ResourcesPlugin.getWorkspace(); |
| IWorkspaceRunnable runnable= new IWorkspaceRunnable() { |
| public void run(IProgressMonitor monitor) throws CoreException { |
| if (lineNumber == -1) { |
| fInstructionPointer.setAttributes(fgStartEnd, |
| new Object[] {new Integer(charStart), new Integer(charEnd)}); |
| } else { |
| fInstructionPointer.setAttributes(fgLineStartEnd, |
| new Object[] {new Integer(lineNumber), new Integer(charStart), new Integer(charEnd)}); |
| } |
| } |
| }; |
| |
| try { |
| workspace.run(runnable, null); |
| } catch (CoreException ce) { |
| DebugUIPlugin.log(ce); |
| } |
| |
| return fInstructionPointer; |
| } |
| |
| /** |
| * Opens an editor for the current selection if it is a stack frame. |
| * Otherwise, nothing will happen. |
| */ |
| protected void showEditorForCurrentSelection() { |
| // ensure this view is visible in the active page |
| if (!isActive()) { |
| return; |
| } |
| ISelection selection= getViewer().getSelection(); |
| Object obj= null; |
| if (selection instanceof IStructuredSelection) { |
| obj= ((IStructuredSelection) selection).getFirstElement(); |
| } |
| if (!(obj instanceof IStackFrame)) { |
| return; |
| } |
| openEditorForStackFrame((IStackFrame) obj); |
| } |
| |
| /** |
| * Translate to an editor input using the source presentation |
| * provided by the source locator, or the default debug model |
| * presentation. |
| */ |
| private void lookupEditorInput(IStackFrame stackFrame) { |
| setEditorId(null); |
| setEditorInput(null); |
| setSourceElement(null); |
| Object sourceElement= null; |
| ILaunch launch = stackFrame.getLaunch(); |
| if (launch == null) { |
| return; |
| } |
| ISourceLocator locator= launch.getSourceLocator(); |
| if (locator == null) { |
| return; |
| } |
| sourceElement = locator.getSourceElement(stackFrame); |
| if (sourceElement == null) { |
| sourceNotFound(stackFrame); |
| return; |
| } |
| |
| ISourcePresentation presentation = null; |
| if (locator instanceof ISourcePresentation) { |
| presentation = (ISourcePresentation)locator; |
| } else { |
| presentation = getPresentation(stackFrame.getModelIdentifier()); |
| } |
| IEditorInput editorInput= null; |
| String editorId= null; |
| if (presentation != null) { |
| editorInput= presentation.getEditorInput(sourceElement); |
| } |
| |
| if (editorInput != null) { |
| editorId= presentation.getEditorId(editorInput, sourceElement); |
| } |
| setEditorInput(editorInput); |
| setEditorId(editorId); |
| setSourceElement(sourceElement); |
| } |
| |
| /** |
| * Sets editor id and input for the "source not found" editor. |
| */ |
| private void sourceNotFound(IStackFrame frame) { |
| setEditorInput(new SourceNotFoundEditorInput(frame)); |
| setEditorId(IInternalDebugUIConstants.ID_SOURCE_NOT_FOUND_EDITOR); |
| } |
| |
| /** |
| * Get the active window and open/bring to the front an editor on the stack |
| * frame. Selection is based on the line number OR the char start and end. |
| */ |
| protected void openEditorForStackFrame(IStackFrame stackFrame) { |
| if (fShowingEditor) { |
| return; |
| } |
| try { |
| fShowingEditor = true; |
| |
| if (!stackFrame.isSuspended()) { |
| return; |
| } |
| |
| if (stackFrame.equals(getStackFrame())) { |
| if (getEditorInput() == null || getEditorId() == null) { |
| lookupEditorInput(stackFrame); |
| } |
| } else { |
| setStackFrame(stackFrame); |
| lookupEditorInput(stackFrame); |
| } |
| if (getEditorInput() == null || getEditorId() == null) { |
| return; |
| } |
| IEditorPart editor= openEditor(); |
| if (editor == null) { |
| return; |
| } |
| |
| int lineNumber= 0; |
| int charStart = -1; |
| int charEnd = -1; |
| try { |
| lineNumber= stackFrame.getLineNumber(); |
| charStart= stackFrame.getCharStart(); |
| charEnd= stackFrame.getCharEnd(); |
| } catch (DebugException de) { |
| DebugUIPlugin.log(de); |
| } |
| if (!selectAndReveal(editor, stackFrame)) { |
| // perform the select and reveal ourselves |
| if (lineNumber >= 0 || charStart >= 0) { |
| if (editor instanceof ITextEditor) { |
| selectAndReveal((ITextEditor)editor, lineNumber, charStart, charEnd, stackFrame.getThread()); |
| } else { |
| IMarker marker= getInstructionPointer(lineNumber, charStart, charEnd); |
| if (marker != null) { |
| editor.gotoMarker(marker); |
| } |
| } |
| } |
| } |
| // add instruction pointer annotation (for text editors only) |
| if (editor instanceof ITextEditor) { |
| DebugUITools.addInstructionPointer((ITextEditor)editor, stackFrame); |
| } |
| // decorate the editor |
| decorateEditor(editor, stackFrame); |
| } finally { |
| fShowingEditor= false; |
| } |
| } |
| |
| /** |
| * Delegate to the model presentation to decorate the opened editor. |
| * |
| * @param editor editor to decorate |
| * @param stackFrame stack frame to decorate for |
| */ |
| private void decorateEditor(IEditorPart editor, IStackFrame stackFrame) { |
| if (fEditorPresentation != null) { |
| fEditorPresentation.decorateEditor(editor, stackFrame); |
| Decoration decoration = new StandardDecoration(fEditorPresentation, editor, stackFrame.getThread()); |
| DecorationManager.addDecoration(decoration); |
| } |
| } |
| |
| /** |
| * Delegates to the model presentation to perform the select and reveal, |
| * and returns whether the select and reveal was completed. |
| * |
| * @param editor the editor to position |
| * @param stackFrame the stack frame to position for |
| * @return whether the select and reveal is complete |
| */ |
| private boolean selectAndReveal(IEditorPart editor, IStackFrame stackFrame) { |
| if (fEditorPresentation != null) { |
| return fEditorPresentation.selectAndReveal(editor, stackFrame); |
| } |
| return false; |
| } |
| |
| /** |
| * Highlights the given line or character range in the given editor |
| */ |
| private void selectAndReveal(ITextEditor editor, int lineNumber, int charStart, int charEnd, IThread thread) { |
| lineNumber--; // Document line numbers are 0-based. Debug line numbers are 1-based. |
| if (charStart > 0 && charEnd > charStart) { |
| int length = charEnd - charStart; |
| editor.selectAndReveal(charStart, length); |
| // add decoration |
| Decoration decoration = new TextEditorSelection(editor, lineNumber, charStart, length, thread); |
| DecorationManager.addDecoration(decoration); |
| return; |
| } |
| int offset= -1; |
| int length= -1; |
| IRegion region= getLineInformation(editor, lineNumber); |
| if (region == null) { |
| // use "goto marker" if line info not available |
| // increment line number for marker approach (1 based) |
| lineNumber++; |
| IMarker marker= getInstructionPointer(lineNumber, charStart, charEnd); |
| if (marker != null) { |
| editor.gotoMarker(marker); |
| // add decoration |
| Decoration decoration = new MarkerTextSelection(editor, lineNumber, thread); |
| DecorationManager.addDecoration(decoration); |
| } |
| return; |
| } |
| if (charStart > 0) { |
| offset= charStart; |
| } else { |
| offset= region.getOffset(); |
| } |
| length= region.getLength(); |
| editor.selectAndReveal(offset, length); |
| // add decoration |
| Decoration decoration = new TextEditorSelection(editor, lineNumber, offset, length, thread); |
| DecorationManager.addDecoration(decoration); |
| } |
| |
| /** |
| * Returns the line information for the given line in the given editor |
| */ |
| private IRegion getLineInformation(ITextEditor editor, int lineNumber) { |
| IDocumentProvider provider= editor.getDocumentProvider(); |
| IEditorInput input= editor.getEditorInput(); |
| try { |
| provider.connect(input); |
| } catch (CoreException e) { |
| return null; |
| } |
| try { |
| IDocument document= provider.getDocument(input); |
| if (document != null) |
| return document.getLineInformation(lineNumber); |
| } catch (BadLocationException e) { |
| } finally { |
| provider.disconnect(input); |
| } |
| return null; |
| } |
| |
| |
| /** |
| * Opens the editor used to display the source for an element selected in |
| * this view and returns the editor that was opened or <code>null</code> if |
| * no editor could be opened. |
| */ |
| private IEditorPart openEditor() { |
| IWorkbenchWindow window= getSite().getWorkbenchWindow(); |
| if (window == null) { |
| return null; |
| } |
| IWorkbenchPage page= window.getActivePage(); |
| if (page == null) { |
| return null; |
| } |
| |
| if (fEditorIndex >= 0) { |
| // first restoration of editor re-use |
| IEditorReference[] refs = page.getEditorReferences(); |
| if (fEditorIndex < refs.length) { |
| fEditor = refs[fEditorIndex].getEditor(false); |
| } |
| fEditorIndex = -1; |
| } |
| |
| IEditorPart editor = null; |
| IEditorInput input= getEditorInput(); |
| String id= getEditorId(); |
| if (input == null || id == null) { |
| return null; |
| } |
| if (fReuseEditor) { |
| editor = page.getActiveEditor(); |
| if (editor != null) { |
| // The active editor is the one we want to reuse |
| if (!editor.getEditorInput().equals(input)) { |
| editor = null; |
| } |
| } |
| if (editor == null) { |
| // Try to find the editor we want to reuse and activate it |
| IEditorReference[] refs = page.getEditorReferences(); |
| for (int i = 0; i < refs.length; i++) { |
| IEditorPart refEditor= refs[i].getEditor(true); |
| if (refEditor != null && input.equals(refEditor.getEditorInput())) { |
| editor = refEditor; |
| page.bringToTop(editor); |
| break; |
| } |
| } |
| } |
| if (editor == null) { |
| if (fEditor == null || fEditor.isDirty() || page.isEditorPinned(fEditor)) { |
| editor = openEditor(page, input, id); |
| fEditor = editor; |
| } else if (fEditor instanceof IReusableEditor && fEditor.getSite().getId().equals(id)) { |
| ((IReusableEditor)fEditor).setInput(input); |
| editor = fEditor; |
| page.bringToTop(editor); |
| } else { |
| page.closeEditor(fEditor, false); |
| editor = openEditor(page, input, id); |
| fEditor = editor; |
| } |
| } |
| } else { |
| // Open a new editor |
| editor = openEditor(page, input, id); |
| } |
| return editor; |
| } |
| |
| /** |
| * Opens an editor in the workbench and returns the editor that was opened |
| * or <code>null</code> if an error occurred while attempting to open the |
| * editor. |
| */ |
| private IEditorPart openEditor(final IWorkbenchPage page, final IEditorInput input, final String id) { |
| final IEditorPart[] editor = new IEditorPart[] {null}; |
| Runnable r = new Runnable() { |
| public void run() { |
| try { |
| editor[0] = page.openEditor(input, id, false); |
| } catch (PartInitException e) { |
| DebugUIPlugin.errorDialog(DebugUIPlugin.getShell(), |
| DebugUIViewsMessages.getString("LaunchView.Error_1"), //$NON-NLS-1$ |
| DebugUIViewsMessages.getString("LaunchView.Exception_occurred_opening_editor_for_debugger._2"), //$NON-NLS-1$ |
| e); |
| } |
| } |
| }; |
| BusyIndicator.showWhile(DebugUIPlugin.getStandardDisplay(), r); |
| return editor[0]; |
| } |
| |
| /** |
| * Deselects any source decorations associated with the given thread or |
| * debug target. |
| * |
| * @param source thread or debug target |
| */ |
| public void clearSourceSelection(Object source) { |
| if (source instanceof IThread) { |
| DecorationManager.removeDecorations((IThread)source); |
| } else if (source instanceof IDebugTarget) { |
| DecorationManager.removeDecorations((IDebugTarget)source); |
| } |
| } |
| |
| /** |
| * @see AbstractDebugView#fillContextMenu(IMenuManager) |
| */ |
| protected void fillContextMenu(IMenuManager menu) { |
| |
| menu.add(new Separator(IDebugUIConstants.EMPTY_EDIT_GROUP)); |
| menu.add(new Separator(IDebugUIConstants.EDIT_GROUP)); |
| menu.add(new Separator(IDebugUIConstants.EMPTY_STEP_GROUP)); |
| menu.add(new Separator(IDebugUIConstants.STEP_GROUP)); |
| menu.add(new GroupMarker(IDebugUIConstants.STEP_INTO_GROUP)); |
| menu.add(new GroupMarker(IDebugUIConstants.STEP_OVER_GROUP)); |
| menu.add(new GroupMarker(IDebugUIConstants.STEP_RETURN_GROUP)); |
| menu.add(new Separator(IDebugUIConstants.EMPTY_THREAD_GROUP)); |
| menu.add(new Separator(IDebugUIConstants.THREAD_GROUP)); |
| menu.add(new Separator(IDebugUIConstants.EMPTY_LAUNCH_GROUP)); |
| menu.add(new Separator(IDebugUIConstants.LAUNCH_GROUP)); |
| if (fEditConfigAction.isEnabled()) { |
| menu.add(fEditConfigAction); |
| } |
| menu.add(new Separator(IDebugUIConstants.EMPTY_RENDER_GROUP)); |
| menu.add(new Separator(IDebugUIConstants.RENDER_GROUP)); |
| menu.add(new Separator(IDebugUIConstants.PROPERTY_GROUP)); |
| PropertyDialogAction action = (PropertyDialogAction)getAction("Properties"); //$NON-NLS-1$ |
| action.setEnabled(action.isApplicableForSelection()); |
| menu.add(action); |
| menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); |
| } |
| |
| /** |
| * Auto-expand and select the given element - must be called in UI thread. |
| * This is used to implement auto-expansion-and-select on a SUSPEND event. |
| */ |
| public void autoExpand(Object element, boolean refreshNeeded, boolean selectNeeded) { |
| Object selectee = element; |
| Object[] children= null; |
| if (element instanceof IThread) { |
| if (!refreshNeeded) { |
| refreshNeeded= threadRefreshNeeded((IThread)element); |
| } |
| // try the top stack frame |
| try { |
| selectee = ((IThread)element).getTopStackFrame(); |
| } catch (DebugException de) { |
| } |
| if (selectee == null) { |
| selectee = element; |
| } |
| } else if (element instanceof ILaunch) { |
| IDebugTarget dt = ((ILaunch)element).getDebugTarget(); |
| if (dt != null) { |
| selectee= dt; |
| try { |
| children= dt.getThreads(); |
| } catch (DebugException de) { |
| DebugUIPlugin.log(de); |
| } |
| } else { |
| IProcess[] processes= ((ILaunch)element).getProcesses(); |
| if (processes.length != 0) { |
| selectee= processes[0]; |
| } |
| } |
| } |
| if (refreshNeeded) { |
| //ensures that the child item exists in the viewer widget |
| //set selection only works if the child exists |
| getStructuredViewer().refresh(element); |
| } |
| if (selectNeeded) { |
| getViewer().setSelection(new StructuredSelection(selectee), true); |
| } |
| if (children != null && children.length > 0) { |
| //reveal the thread children of a debug target |
| getStructuredViewer().reveal(children[0]); |
| } |
| } |
| |
| /** |
| * Returns whether the given thread needs to |
| * be refreshed in the tree. |
| * |
| * The tree needs to be refreshed if the |
| * underlying model objects (IStackFrame) under the given thread |
| * differ from those currently displayed in the tree. |
| */ |
| protected boolean threadRefreshNeeded(IThread thread) { |
| LaunchViewer viewer= (LaunchViewer)getStructuredViewer(); |
| ILaunch launch= thread.getLaunch(); |
| TreeItem[] launches= viewer.getTree().getItems(); |
| for (int i = 0; i < launches.length; i++) { |
| if (launches[i].getData() == launch) { |
| IDebugTarget target= thread.getDebugTarget(); |
| TreeItem[] targets= launches[i].getItems(); |
| for (int j = 0; j < targets.length; j++) { |
| if (targets[j].getData() == target) { |
| TreeItem[] threads= targets[j].getItems(); |
| for (int k = 0; k < threads.length; k++) { |
| if (threads[k].getData() == thread) { |
| IStackFrame[] frames= null; |
| try { |
| frames = thread.getStackFrames(); |
| } catch (DebugException exception) { |
| return true; |
| } |
| TreeItem[] treeFrames= threads[k].getItems(); |
| if (frames.length != treeFrames.length) { |
| return true; |
| } |
| for (int l= 0, numFrames= treeFrames.length; l < numFrames; l++) { |
| if (treeFrames[l].getData() != frames[l]) { |
| return true; |
| } |
| } |
| break; |
| } |
| } |
| break; |
| } |
| } |
| break; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Returns the last stack frame that source was retrieved |
| * for. Used to avoid source lookups for the same stack |
| * frame when stepping. |
| * |
| * @return stack frame, or <code>null</code> |
| */ |
| protected IStackFrame getStackFrame() { |
| return fStackFrame; |
| } |
| |
| /** |
| * Sets the last stack frame that source was retrieved |
| * for. Used to avoid source lookups for the same stack |
| * frame when stepping. Setting the stack frame to <code>null</code> |
| * effectively forces a source lookup. |
| * |
| * @param frame The stack frame or <code>null</code> |
| */ |
| protected void setStackFrame(IStackFrame frame) { |
| fStackFrame= frame; |
| } |
| |
| /** |
| * Sets the editor input that was resolved for the |
| * source display. |
| * |
| * @param editorInput editor input |
| */ |
| private void setEditorInput(IEditorInput editorInput) { |
| fEditorInput = editorInput; |
| } |
| |
| /** |
| * Returns the editor input that was resolved for the |
| * source display. |
| * |
| * @return editor input |
| */ |
| protected IEditorInput getEditorInput() { |
| return fEditorInput; |
| } |
| |
| /** |
| * Sets the id of the editor opened when displaying |
| * source. |
| * |
| * @param editorId editor id |
| */ |
| private void setEditorId(String editorId) { |
| fEditorId = editorId; |
| } |
| |
| /** |
| * Returns the id of the editor opened when displaying |
| * source. |
| * |
| * @return editor id |
| */ |
| protected String getEditorId() { |
| return fEditorId; |
| } |
| |
| /** |
| * Sets the current source element, possibly <code>null</code> |
| * |
| * @param sourceElement |
| */ |
| private void setSourceElement(Object sourceElement) { |
| fSourceElement = sourceElement; |
| } |
| |
| /** |
| * Returns the current source element, possibly <code>null</code> |
| * |
| * @return Object |
| */ |
| protected Object getSourceElement() { |
| return fSourceElement; |
| } |
| |
| /** |
| * Sets whether this view is in the active page of a |
| * perspective. Since a page can have more than one |
| * perspective, this view only show's source when in |
| * the active perspective/page. |
| * |
| * @param active whether this view is in the active page of a |
| * perspective |
| */ |
| protected void setActive(boolean active) { |
| fIsActive = active; |
| } |
| |
| /** |
| * Returns whether this view is in the active page of |
| * the active perspective and has been fully created. |
| * |
| * @return whether this view is in the active page of |
| * the active perspective and has been fully created. |
| */ |
| protected boolean isActive() { |
| return fIsActive && getViewer() != null; |
| } |
| |
| /** |
| * @see IPropertyChangeListener#propertyChange(PropertyChangeEvent) |
| */ |
| public void propertyChange(PropertyChangeEvent event) { |
| if (event.getProperty().equals(IDebugUIConstants.PREF_REUSE_EDITOR)) { |
| fReuseEditor = DebugUIPlugin.getDefault().getPreferenceStore().getBoolean(IDebugUIConstants.PREF_REUSE_EDITOR); |
| } |
| } |
| |
| /** |
| * @see IViewPart#saveState(IMemento) |
| */ |
| public void saveState(IMemento memento) { |
| super.saveState(memento); |
| if (fReuseEditor && fEditor != null) { |
| IWorkbenchWindow dwindow= getSite().getWorkbenchWindow(); |
| if (dwindow == null) { |
| return; |
| } |
| IWorkbenchPage page= dwindow.getActivePage(); |
| if (page == null) { |
| return; |
| } |
| IEditorReference[] refs = page.getEditorReferences(); |
| int index = -1; |
| for (int i = 0; i < refs.length; i++) { |
| if (fEditor.equals(refs[i].getEditor(false))) { |
| index = i; |
| break; |
| } |
| } |
| if (index >= 0) { |
| memento.putString(IDebugUIConstants.PREF_REUSE_EDITOR, Integer.toString(index)); |
| } |
| } |
| } |
| |
| /** |
| * Visitor for handling resource deltas. When a project is closed, we must clear |
| * the cache of editor input/stack frame, etc., as the elements can become invalid. |
| */ |
| class LaunchViewVisitor implements IResourceDeltaVisitor { |
| /** |
| * @see IResourceDeltaVisitor#visit(IResourceDelta) |
| */ |
| public boolean visit(IResourceDelta delta) { |
| if (delta == null) { |
| return false; |
| } |
| IResource resource = delta.getResource(); |
| if (0 != (delta.getFlags() & IResourceDelta.OPEN)) { |
| if (resource instanceof IProject) { |
| IProject project = (IProject)resource; |
| if (!project.isOpen()) { |
| // clear |
| cleanup(); |
| } |
| } |
| return false; |
| } |
| return resource instanceof IWorkspaceRoot; |
| } |
| } |
| |
| /** |
| * @see IResourceChangeListener#resourceChanged(IResourceChangeEvent) |
| */ |
| public void resourceChanged(IResourceChangeEvent event) { |
| IResourceDelta delta= event.getDelta(); |
| if (delta != null) { |
| try { |
| delta.accept(getVisitor()); |
| } catch (CoreException e) { |
| DebugUIPlugin.log(e); |
| } |
| } |
| } |
| |
| |
| /** |
| * Returns the resource delta visitor for this view, |
| * creating if required. |
| * |
| * @return resource delta visitor |
| */ |
| protected IResourceDeltaVisitor getVisitor() { |
| if (fVisitor == null) { |
| fVisitor = new LaunchViewVisitor(); |
| } |
| return fVisitor; |
| } |
| |
| /** |
| * When this view becomes visible, selects the last stack frame whose |
| * location was revealed. |
| * |
| * @see org.eclipse.debug.ui.AbstractDebugView#becomesVisible() |
| */ |
| protected void becomesVisible() { |
| super.becomesVisible(); |
| IStructuredSelection selection= (IStructuredSelection) getViewer().getSelection(); |
| if (selection.isEmpty() || !selection.getFirstElement().equals(getStackFrame())) { |
| initializeSelection(); |
| } |
| } |
| |
| /** |
| * @see IShowInTarget#show(org.eclipse.ui.part.ShowInContext) |
| */ |
| public boolean show(ShowInContext context) { |
| ISelection selection = context.getSelection(); |
| if (selection != null) { |
| if (selection instanceof IStructuredSelection) { |
| IStructuredSelection ss = (IStructuredSelection)selection; |
| if (ss.size() == 1) { |
| Object obj = ss.getFirstElement(); |
| if (obj instanceof IDebugTarget || obj instanceof IProcess) { |
| getViewer().setSelection(selection, true); |
| return true; |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * @see IShowInSource#getShowInContext() |
| */ |
| public ShowInContext getShowInContext() { |
| if (isActive()) { |
| IStructuredSelection selection = (IStructuredSelection)getViewer().getSelection(); |
| if (selection != null && !selection.isEmpty()) { |
| Object sourceElement = getSourceElement(); |
| if (sourceElement instanceof IAdaptable) { |
| if (((IAdaptable)sourceElement).getAdapter(IResource.class) != null) { |
| return new ShowInContext(null, new StructuredSelection(getSourceElement())); |
| } |
| } |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * @see org.eclipse.ui.part.IShowInTargetList#getShowInTargetIds() |
| */ |
| public String[] getShowInTargetIds() { |
| return new String[] { IPageLayout.ID_RES_NAV }; |
| } |
| |
| } |