/*******************************************************************************
* Copyright (c) 2007, 2012 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.ui.viewmodel;
import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor;
import org.eclipse.cdt.dsf.debug.internal.ui.viewmodel.VMViewerUpdateTracing;
import org.eclipse.cdt.dsf.internal.DsfPlugin;
import org.eclipse.cdt.dsf.internal.LoggingUtils;
import org.eclipse.cdt.dsf.internal.ui.DsfUIPlugin;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IHasChildrenUpdate;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate;
import org.eclipse.jface.viewers.TreePath;
/**
* Helper class implementation of the {@link IHasChildrenUpdate} update object.
*
* @see VMViewerUpdate
*
* @since 1.0
*/
public class VMHasChildrenUpdate extends VMViewerUpdate implements IHasChildrenUpdate {
final private DataRequestMonitor<Boolean> fHasElemsRequestMonitor;
public VMHasChildrenUpdate(IViewerUpdate clientUpdate, DataRequestMonitor<Boolean> rm) {
super(clientUpdate, rm);
fHasElemsRequestMonitor = rm;
}
public VMHasChildrenUpdate(IModelDelta delta, IPresentationContext presentationContext, DataRequestMonitor<Boolean> rm) {
super(delta, presentationContext, rm);
fHasElemsRequestMonitor = rm;
}
public VMHasChildrenUpdate(TreePath elementPath, Object viewerInput, IPresentationContext presentationContext, DataRequestMonitor<Boolean> rm) {
super(elementPath, viewerInput, presentationContext, rm);
fHasElemsRequestMonitor = rm;
}
@Override
public void setHasChilren(boolean hasChildren) {
fHasElemsRequestMonitor.setData(hasChildren);
}
@Override
public String toString() {
return "VMHasChildrenUpdate: " + getElement(); //$NON-NLS-1$
}
@Override
public void done() {
assert isCanceled() || fHasElemsRequestMonitor.getData() != null || !fHasElemsRequestMonitor.isSuccess();
// trace our result
if (VMViewerUpdateTracing.DEBUG_VMUPDATES && !isCanceled() && VMViewerUpdateTracing.matchesFilterRegex(this.getClass())) {
final Boolean data = fHasElemsRequestMonitor.getData();
DsfUIPlugin.debug(DsfPlugin.getDebugTime() + " " //$NON-NLS-1$
+ LoggingUtils.toString(this) + " marked done; element = " //$NON-NLS-1$
+ LoggingUtils.toString(getElement())
+ "\n has children = " //$NON-NLS-1$
+ (data != null ? data.toString() : "<unset>")); //$NON-NLS-1$
}
super.done();
}
}