| /******************************************************************************* |
| * Copyright (c) 2005 The Regents of the University of California. |
| * This material was produced under U.S. Government contract W-7405-ENG-36 |
| * for Los Alamos National Laboratory, which is operated by the University |
| * of California for the U.S. Department of Energy. The U.S. Government has |
| * rights to use, reproduce, and distribute this software. NEITHER THE |
| * GOVERNMENT NOR THE UNIVERSITY MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR |
| * ASSUMES ANY LIABILITY FOR THE USE OF THIS SOFTWARE. If software is modified |
| * to produce derivative works, such modified software should be clearly marked, |
| * so as not to confuse it with the version available from LANL. |
| * |
| * Additionally, 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 |
| * |
| * LA-CC 04-115 |
| *******************************************************************************/ |
| package org.eclipse.ptp.debug.internal.ui.actions; |
| |
| import org.eclipse.core.runtime.preferences.IEclipsePreferences.IPreferenceChangeListener; |
| import org.eclipse.core.runtime.preferences.IEclipsePreferences.PreferenceChangeEvent; |
| import org.eclipse.debug.core.model.IDebugElement; |
| import org.eclipse.debug.core.model.IDebugTarget; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.ptp.debug.core.model.IPDebugTarget; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.ui.IViewActionDelegate; |
| import org.eclipse.ui.IViewPart; |
| import org.eclipse.ui.actions.ActionDelegate; |
| |
| /** |
| * @author Clement chu |
| */ |
| public class ToggleInstructionStepModeActionDelegate extends ActionDelegate implements IViewActionDelegate, |
| IPreferenceChangeListener { |
| private IPDebugTarget fTarget = null; |
| private IAction fAction = null; |
| private IViewPart fView; |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.core.runtime.preferences.IEclipsePreferences. |
| * IPreferenceChangeListener |
| * #preferenceChange(org.eclipse.core.runtime.preferences |
| * .IEclipsePreferences.PreferenceChangeEvent) |
| */ |
| public void preferenceChange(PreferenceChangeEvent event) { |
| IAction action = getAction(); |
| if (action != null) { |
| if (event.getNewValue() instanceof Boolean) { |
| boolean value = ((Boolean) event.getNewValue()).booleanValue(); |
| if (value != action.isChecked()) |
| action.setChecked(value); |
| } |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.IViewActionDelegate#init(org.eclipse.ui.IViewPart) |
| */ |
| public void init(IViewPart view) { |
| fView = view; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.IActionDelegate2#dispose() |
| */ |
| @Override |
| public void dispose() { |
| IPDebugTarget target = getTarget(); |
| if (target != null) { |
| target.removePreferenceChangeListener(this); |
| } |
| setTarget(null); |
| setAction(null); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.ui.IActionDelegate2#init(org.eclipse.jface.action.IAction) |
| */ |
| @Override |
| public void init(IAction action) { |
| setAction(action); |
| action.setChecked(false); |
| action.setEnabled(false); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction) |
| */ |
| @Override |
| public void run(IAction action) { |
| /* |
| * boolean enabled = getAction().isChecked(); IPDebugTarget target = |
| * getTarget(); if (target != null) { |
| * target.enableInstructionStepping(enabled); if (enabled) { try { |
| * getView |
| * ().getSite().getPage().showView(IPTPDebugUIConstants.ID_DISASSEMBLY_VIEW |
| * ); } catch(PartInitException e) { |
| * PTPDebugUIPlugin.log(e.getStatus()); } } } |
| */ |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.ui.IActionDelegate2#runWithEvent(org.eclipse.jface.action |
| * .IAction, org.eclipse.swt.widgets.Event) |
| */ |
| @Override |
| public void runWithEvent(IAction action, Event event) { |
| run(action); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action |
| * .IAction, org.eclipse.jface.viewers.ISelection) |
| */ |
| @Override |
| public void selectionChanged(IAction action, ISelection selection) { |
| IPDebugTarget newTarget = null; |
| if (selection instanceof IStructuredSelection) { |
| newTarget = getTargetFromSelection(((IStructuredSelection) selection).getFirstElement()); |
| } |
| IPDebugTarget oldTarget = getTarget(); |
| if (oldTarget != null && !oldTarget.equals(newTarget)) { |
| oldTarget.removePreferenceChangeListener(this); |
| setTarget(null); |
| action.setChecked(false); |
| } |
| if (newTarget != null && !newTarget.isTerminated() && !newTarget.isDisconnected()) { |
| setTarget(newTarget); |
| newTarget.addPreferenceChangeListener(this); |
| action.setChecked(newTarget.isInstructionSteppingEnabled()); |
| } |
| action.setEnabled(newTarget != null && newTarget.supportsInstructionStepping() && !newTarget.isTerminated() |
| && !newTarget.isDisconnected()); |
| } |
| |
| private IPDebugTarget getTarget() { |
| return this.fTarget; |
| } |
| |
| private void setTarget(IPDebugTarget target) { |
| this.fTarget = target; |
| } |
| |
| private IAction getAction() { |
| return this.fAction; |
| } |
| |
| private void setAction(IAction action) { |
| this.fAction = action; |
| } |
| |
| private IPDebugTarget getTargetFromSelection(Object element) { |
| if (element instanceof IDebugElement) { |
| IDebugTarget target = ((IDebugElement) element).getDebugTarget(); |
| return (target instanceof IPDebugTarget) ? (IPDebugTarget) target : null; |
| } |
| return null; |
| } |
| |
| public IViewPart getView() { |
| return fView; |
| } |
| } |