/*******************************************************************************
* Copyright (c) 2006, 2009 Wind River Systems 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.dsf.debug.ui.actions;
import org.eclipse.cdt.dsf.concurrent.DsfRunnable;
import org.eclipse.cdt.dsf.concurrent.Immutable;
import org.eclipse.cdt.dsf.datamodel.DMContexts;
import org.eclipse.cdt.dsf.debug.service.IProcesses;
import org.eclipse.cdt.dsf.debug.service.IRunControl;
import org.eclipse.cdt.dsf.debug.service.IRunControl.IExecutionDMContext;
import org.eclipse.cdt.dsf.debug.ui.viewmodel.SteppingController;
import org.eclipse.cdt.dsf.internal.ui.DsfUIPlugin;
import org.eclipse.cdt.dsf.service.DsfServicesTracker;
import org.eclipse.cdt.dsf.ui.viewmodel.datamodel.IDMVMContext;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.debug.core.commands.IDebugCommandRequest;
/**
* @since 1.0
*/
@Immutable
public abstract class DsfCommandRunnable extends DsfRunnable {
private final IExecutionDMContext fContext;
private final DsfServicesTracker fTracker;
private final IDebugCommandRequest fRequest;
public IExecutionDMContext getContext() { return fContext; }
public IRunControl getRunControl() {
return fTracker.getService(IRunControl.class);
}
/**
* @since 1.1
*/
public SteppingController getSteppingController() {
if (fContext != null) {
return (SteppingController) fContext.getAdapter(SteppingController.class);
}
return null;
}
/**
* @since 1.1
*/
public IProcesses getProcessService() {
return fTracker.getService(IProcesses.class);
}
public DsfCommandRunnable(DsfServicesTracker servicesTracker, Object element, IDebugCommandRequest request) {
fTracker = servicesTracker;
if (element instanceof IDMVMContext) {
IDMVMContext vmc = (IDMVMContext)element;
fContext = DMContexts.getAncestorOfType(vmc.getDMContext(), IExecutionDMContext.class);
} else {
fContext = null;
}
fRequest = request;
}
public final void run() {
if (fRequest.isCanceled()) {
fRequest.done();
return;
}
if (getContext() == null) {
fRequest.setStatus(makeError("Selected object does not support run control.", null)); //$NON-NLS-1$
} else if (getRunControl() == null || getSteppingController() == null) {
fRequest.setStatus(makeError("Run Control not available", null)); //$NON-NLS-1$
} else {
doExecute();
}
fRequest.done();
}
/**
* Method to perform the actual work.
*/
protected abstract void doExecute();
protected IStatus makeError(String message, Throwable e) {
return new Status(IStatus.ERROR, DsfUIPlugin.PLUGIN_ID, -1, message, e);
}
}