| /******************************************************************************* |
| * Copyright (c) 2005, 2010 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Bjorn Freeman-Benson - initial API and implementation |
| * Wind River - Pawel Piech - replaced actions with handlers (bug 229219) |
| * Pawel Piech (Wind River) - ported PDA Virtual Machine to Java (Bug 261400) |
| ******************************************************************************/ |
| package org.eclipse.debug.examples.ui.pda.views; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.examples.core.pda.model.PDAStackFrame; |
| import org.eclipse.debug.examples.core.pda.model.PDAThread; |
| import org.eclipse.debug.ui.AbstractDebugView; |
| import org.eclipse.debug.ui.DebugUITools; |
| import org.eclipse.debug.ui.contexts.DebugContextEvent; |
| import org.eclipse.debug.ui.contexts.IDebugContextListener; |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.jface.action.IToolBarManager; |
| import org.eclipse.jface.action.Separator; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.ui.IWorkbenchActionConstants; |
| import org.eclipse.ui.progress.UIJob; |
| |
| |
| /** |
| * View of the PDA VM data stack |
| */ |
| public class DataStackView extends AbstractDebugView implements IDebugContextListener { |
| |
| private PDAThread fThread; |
| |
| class StackViewContentProvider implements ITreeContentProvider { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object) |
| */ |
| public Object[] getChildren(Object parentElement) { |
| if (parentElement instanceof PDAThread) { |
| try { |
| return ((PDAThread)parentElement).getDataStack(); |
| } catch (DebugException e) { |
| } |
| } |
| return new Object[0]; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object) |
| */ |
| public Object getParent(Object element) { |
| if (element instanceof PDAThread) { |
| return null; |
| } else { |
| return fThread; |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object) |
| */ |
| public boolean hasChildren(Object element) { |
| return element instanceof PDAThread; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) |
| */ |
| public Object[] getElements(Object inputElement) { |
| return getChildren(inputElement); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.IContentProvider#dispose() |
| */ |
| public void dispose() { |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object) |
| */ |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| } |
| |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.AbstractDebugView#createViewer(org.eclipse.swt.widgets.Composite) |
| */ |
| protected Viewer createViewer(Composite parent) { |
| TreeViewer viewer = new TreeViewer(parent); |
| viewer.setLabelProvider(DebugUITools.newDebugModelPresentation()); |
| viewer.setContentProvider(new StackViewContentProvider()); |
| DebugUITools.getDebugContextManager().getContextService(getSite().getWorkbenchWindow()).addDebugContextListener(this); |
| getSite().setSelectionProvider(viewer); |
| return viewer; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.AbstractDebugView#createActions() |
| */ |
| protected void createActions() { |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.AbstractDebugView#getHelpContextId() |
| */ |
| protected String getHelpContextId() { |
| return null; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.AbstractDebugView#fillContextMenu(org.eclipse.jface.action.IMenuManager) |
| */ |
| protected void fillContextMenu(IMenuManager menu) { |
| menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.AbstractDebugView#configureToolBar(org.eclipse.jface.action.IToolBarManager) |
| */ |
| protected void configureToolBar(IToolBarManager tbm) { |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IWorkbenchPart#dispose() |
| */ |
| public void dispose() { |
| DebugUITools.getDebugContextManager().getContextService(getSite().getWorkbenchWindow()).removeDebugContextListener(this); |
| super.dispose(); |
| } |
| |
| public void debugContextChanged(final DebugContextEvent event) { |
| new UIJob(getSite().getShell().getDisplay(), "DataStackView update") { |
| { |
| setSystem(true); |
| } |
| |
| public IStatus runInUIThread(IProgressMonitor monitor) { |
| if (getViewer() != null) { // runs asynchronously, view may be disposed |
| update(event.getContext()); |
| } |
| return Status.OK_STATUS; |
| } |
| }.schedule(); |
| } |
| |
| /** |
| * Updates the view for the selected thread (if suspended) |
| */ |
| private void update(ISelection context) { |
| fThread = null; |
| |
| if (context instanceof IStructuredSelection) { |
| Object element = ((IStructuredSelection)context).getFirstElement(); |
| if (element instanceof PDAThread) { |
| fThread = (PDAThread)element; |
| } else if (element instanceof PDAStackFrame) { |
| fThread = (PDAThread)((PDAStackFrame)element).getThread(); |
| } |
| } |
| Object input = null; |
| if (fThread != null && fThread.isSuspended()) { |
| input = fThread; |
| } |
| getViewer().setInput(input); |
| getViewer().refresh(); |
| } |
| } |