| /******************************************************************************* |
| * Copyright (c) 2000, 2012 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 |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.debug.ui.propertypages; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.CoreException; |
| 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.IStackFrame; |
| import org.eclipse.debug.core.model.IThread; |
| import org.eclipse.debug.ui.DebugUITools; |
| import org.eclipse.jdt.debug.core.IJavaDebugTarget; |
| import org.eclipse.jdt.debug.core.IJavaThread; |
| import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin; |
| import org.eclipse.jface.viewers.AbstractTreeViewer; |
| import org.eclipse.jface.viewers.CheckStateChangedEvent; |
| import org.eclipse.jface.viewers.CheckboxTreeViewer; |
| import org.eclipse.jface.viewers.ICheckStateListener; |
| import org.eclipse.jface.viewers.IContentProvider; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Label; |
| |
| /** |
| * |
| */ |
| public class ThreadFilterEditor { |
| |
| private JavaBreakpointAdvancedPage fPage; |
| private CheckboxTreeViewer fThreadViewer; |
| private ThreadFilterContentProvider fContentProvider; |
| private CheckHandler fCheckHandler; |
| private static String MAIN= "main"; //$NON-NLS-1$ |
| |
| public ThreadFilterEditor(Composite parent, JavaBreakpointAdvancedPage page) { |
| fPage= page; |
| fContentProvider= new ThreadFilterContentProvider(); |
| fCheckHandler= new CheckHandler(); |
| createThreadViewer(parent); |
| } |
| |
| private void createThreadViewer(Composite parent) { |
| Label label= new Label(parent, SWT.NONE); |
| label.setText(PropertyPageMessages.ThreadFilterEditor_1); |
| label.setFont(parent.getFont()); |
| label.setLayoutData(new GridData()); |
| |
| GridData data= new GridData(GridData.FILL_BOTH); |
| data.heightHint= 100; |
| fThreadViewer= new CheckboxTreeViewer(parent, SWT.BORDER); |
| fThreadViewer.addCheckStateListener(fCheckHandler); |
| fThreadViewer.getTree().setLayoutData(data); |
| fThreadViewer.getTree().setFont(parent.getFont()); |
| fThreadViewer.setContentProvider(fContentProvider); |
| fThreadViewer.setLabelProvider(DebugUITools.newDebugModelPresentation()); |
| fThreadViewer.setInput(DebugPlugin.getDefault().getLaunchManager()); |
| setInitialCheckedState(); |
| } |
| |
| protected void doStore() { |
| IDebugTarget[] targets= getDebugTargets(); |
| IJavaDebugTarget target; |
| IThread[] threads; |
| IJavaThread thread; |
| for (int i= 0, numTargets= targets.length; i < numTargets; i++) { |
| target = (IJavaDebugTarget)targets[i].getAdapter(IJavaDebugTarget.class); |
| if (target != null) { |
| try { |
| if (fThreadViewer.getChecked(target)) { |
| threads= target.getThreads(); |
| for (int j=0, numThreads= threads.length; j < numThreads; j++) { |
| thread= (IJavaThread)threads[j]; |
| if (fThreadViewer.getChecked(thread)) { |
| // thread selected for filtering |
| fPage.getBreakpoint().setThreadFilter(thread); |
| break; // Can only set one filtered thread. |
| } |
| } |
| } else { |
| fPage.getBreakpoint().removeThreadFilter(target); |
| } |
| } catch (CoreException e) { |
| JDIDebugUIPlugin.log(e); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Sets the initial checked state of the tree viewer. |
| * The initial state should reflect the current state |
| * of the breakpoint. If the breakpoint has a thread |
| * filter in a given thread, that thread should be |
| * checked. |
| */ |
| protected void setInitialCheckedState() { |
| try { |
| IDebugTarget[] targets= getDebugTargets(); |
| for (int i= 0, numTargets= targets.length; i < numTargets; i++) { |
| IJavaDebugTarget target = (IJavaDebugTarget)targets[i].getAdapter(IJavaDebugTarget.class); |
| if (target != null) { |
| IJavaThread filteredThread= fPage.getBreakpoint().getThreadFilter(target); |
| if (filteredThread != null) { |
| fCheckHandler.checkThread(filteredThread, true); |
| } |
| } |
| } |
| } catch (CoreException e) { |
| JDIDebugUIPlugin.log(e); |
| } |
| } |
| |
| /** |
| * Returns the debug targets that appear in the tree |
| */ |
| protected IDebugTarget[] getDebugTargets() { |
| Object input= fThreadViewer.getInput(); |
| if (!(input instanceof ILaunchManager)) { |
| return new IJavaDebugTarget[0]; |
| } |
| ILaunchManager launchManager= (ILaunchManager)input; |
| return launchManager.getDebugTargets(); |
| } |
| |
| class CheckHandler implements ICheckStateListener { |
| public void checkStateChanged(CheckStateChangedEvent event) { |
| Object element= event.getElement(); |
| if (element instanceof IDebugTarget) { |
| checkTarget((IDebugTarget)element, event.getChecked()); |
| } else if (element instanceof IThread) { |
| checkThread((IThread)element, event.getChecked()); |
| } |
| verifyCheckedState(); |
| } |
| |
| /** |
| * Check or uncheck a debug target in the tree viewer. |
| * When a debug target is checked, attempt to |
| * check one of the target's threads by default. |
| * When a debug target is unchecked, uncheck all |
| * its threads. |
| */ |
| protected void checkTarget(IDebugTarget target, boolean checked) { |
| fThreadViewer.setChecked(target, checked); |
| if (checked) { |
| fThreadViewer.expandToLevel(target, AbstractTreeViewer.ALL_LEVELS); |
| IThread[] threads; |
| try { |
| threads= target.getThreads(); |
| } catch (DebugException exception) { |
| JDIDebugUIPlugin.log(exception); |
| return; |
| } |
| IThread thread; |
| boolean checkedThread= false; |
| // Try to check the "main" thread by default |
| for (int i= 0, numThreads= threads.length; i < numThreads; i++) { |
| thread= threads[i]; |
| String name= null; |
| try { |
| name= thread.getName(); |
| } catch (DebugException exception) { |
| JDIDebugUIPlugin.log(exception); |
| } |
| if (MAIN.equals(name)) { |
| checkedThread= fThreadViewer.setChecked(thread, true); |
| } |
| } |
| // If the main thread couldn't be checked, check the first |
| // available thread |
| if (!checkedThread) { |
| for (int i= 0, numThreads= threads.length; i < numThreads; i++) { |
| if (fThreadViewer.setChecked(threads[i], true)) { |
| break; |
| } |
| } |
| } |
| } else { // Unchecked |
| IThread[] threads; |
| try { |
| threads= target.getThreads(); |
| } catch (DebugException exception) { |
| JDIDebugUIPlugin.log(exception); |
| return; |
| } |
| for (int i= 0, numThreads= threads.length; i < numThreads; i++) { |
| fThreadViewer.setChecked(threads[i], false); |
| } |
| } |
| } |
| |
| /** |
| * Check or uncheck a thread. |
| * When a thread is checked, make sure its debug |
| * target is also checked. |
| * When a thread is unchecked, uncheck its debug |
| * target. |
| */ |
| protected void checkThread(IThread thread, boolean checked) { |
| fThreadViewer.setChecked(thread, checked); |
| IDebugTarget target= (thread).getDebugTarget(); |
| if (checked) { |
| // When a thread is checked, make sure the target |
| // is checked and all other threads are |
| // unchecked (simulate radio button behavior) |
| if (!fThreadViewer.getChecked(target)) { |
| fThreadViewer.setChecked(target, true); |
| } |
| IThread[] threads; |
| try { |
| threads= target.getThreads(); |
| } catch (DebugException exception) { |
| JDIDebugUIPlugin.log(exception); |
| return; |
| } |
| for (int i= 0, numThreads= threads.length; i < numThreads; i++) { |
| if (threads[i] != thread) { |
| // Uncheck all threads other than the selected thread |
| fThreadViewer.setChecked(threads[i], false); |
| } |
| } |
| } else { |
| // When a thread is unchecked, uncheck the target |
| fThreadViewer.setChecked(target, false); |
| } |
| } |
| |
| /** |
| * Verify the state of the tree viewer. |
| * If the user selects a debug target, they must select |
| * a thread. |
| */ |
| protected void verifyCheckedState() { |
| IDebugTarget[] targets= getDebugTargets(); |
| IDebugTarget target; |
| IThread[] threads; |
| boolean checkedThread; |
| for (int i= 0, numTargets= targets.length; i < numTargets; i++) { |
| target= targets[i]; |
| if (!fThreadViewer.getChecked(target)) { |
| continue; |
| } |
| try { |
| threads= target.getThreads(); |
| } catch (DebugException exception) { |
| JDIDebugUIPlugin.log(exception); |
| continue; |
| } |
| checkedThread= false; |
| for (int j= 0, numThreads= threads.length; j < numThreads; j++) { |
| if (fThreadViewer.getChecked(threads[j])) { |
| checkedThread= true; |
| break; |
| } |
| } |
| if (checkedThread) { |
| fPage.setErrorMessage(null); |
| } else { |
| fPage.setErrorMessage(PropertyPageMessages.ThreadFilterEditor_2); |
| } |
| } |
| } |
| |
| } |
| |
| class ThreadFilterContentProvider implements ITreeContentProvider { |
| /** |
| * @see ITreeContentProvider#getChildren(Object) |
| */ |
| public Object[] getChildren(Object parent) { |
| if (parent instanceof IDebugTarget) { |
| IJavaDebugTarget target = (IJavaDebugTarget)((IDebugTarget)parent).getAdapter(IJavaDebugTarget.class); |
| if (target != null) { |
| try { |
| return ((IJavaDebugTarget)parent).getThreads(); |
| } catch (DebugException e) { |
| JDIDebugUIPlugin.log(e); |
| } |
| } |
| } |
| if (parent instanceof ILaunchManager) { |
| List<IJavaDebugTarget> children= new ArrayList<IJavaDebugTarget>(); |
| ILaunch[] launches= ((ILaunchManager) parent).getLaunches(); |
| IDebugTarget[] targets; |
| IJavaDebugTarget target; |
| for (int i= 0, numLaunches= launches.length; i < numLaunches; i++) { |
| targets= launches[i].getDebugTargets(); |
| for (int j= 0, numTargets= targets.length; j < numTargets; j++) { |
| target= (IJavaDebugTarget)targets[j].getAdapter(IJavaDebugTarget.class); |
| if (target != null && !target.isDisconnected() && !target.isTerminated()) { |
| children.add(target); |
| } |
| } |
| } |
| return children.toArray(); |
| } |
| return new Object[0]; |
| } |
| |
| /** |
| * @see ITreeContentProvider#getParent(Object) |
| */ |
| public Object getParent(Object element) { |
| if (element instanceof IThread) { |
| return ((IThread)element).getDebugTarget(); |
| } |
| if (element instanceof IDebugTarget) { |
| return ((IDebugElement)element).getLaunch(); |
| } |
| if (element instanceof ILaunch) { |
| return DebugPlugin.getDefault().getLaunchManager(); |
| } |
| return null; |
| } |
| |
| /** |
| * @see ITreeContentProvider#hasChildren(Object) |
| */ |
| public boolean hasChildren(Object element) { |
| if (element instanceof IStackFrame) { |
| return false; |
| } |
| if (element instanceof IDebugElement) { |
| return getChildren(element).length > 0; |
| } |
| if (element instanceof ILaunch) { |
| return true; |
| } |
| if (element instanceof ILaunchManager) { |
| return ((ILaunchManager) element).getLaunches().length > 0; |
| } |
| return false; |
| } |
| |
| /** |
| * @see IStructuredContentProvider#getElements(Object) |
| */ |
| public Object[] getElements(Object inputElement) { |
| return getChildren(inputElement); |
| } |
| |
| /** |
| * @see IContentProvider#dispose() |
| */ |
| public void dispose() { |
| } |
| |
| /** |
| * @see IContentProvider#inputChanged(Viewer, Object, Object) |
| */ |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| } |
| } |
| } |