/*******************************************************************************
* Copyright (c) 2007, 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.viewmodel.expression;
import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor;
import org.eclipse.cdt.dsf.concurrent.IDsfStatusConstants;
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.cdt.dsf.ui.viewmodel.VMViewerUpdate;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.debug.core.model.IExpression;
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;
/**
*
*/
class VMExpressionUpdate extends VMViewerUpdate implements IExpressionUpdate {
private final IExpression fExpression;
private Object fExpressionElement;
public VMExpressionUpdate(IViewerUpdate clientUpdate, IExpression expression, DataRequestMonitor<Object> rm)
{
super(clientUpdate, rm);
fExpression = expression;
}
public VMExpressionUpdate(IModelDelta delta, IPresentationContext presentationContext, IExpression expression, DataRequestMonitor<Object> rm)
{
super(delta, presentationContext, rm);
fExpression = expression;
}
public VMExpressionUpdate(TreePath elementPath, Object viewerInput, IPresentationContext presentationContext, IExpression expression, DataRequestMonitor<Object> rm)
{
super(elementPath, viewerInput, presentationContext, rm);
fExpression = expression;
}
public IExpression getExpression() {
return fExpression;
}
public void setExpressionElement(Object element) {
fExpressionElement = element;
}
@Override
public String toString() {
return "VMExpressionUpdate for elements under parent = " + getElement() + ", in for expression " + getExpression().getExpressionText(); //$NON-NLS-1$ //$NON-NLS-2$
}
@Override
public void done() {
@SuppressWarnings("unchecked")
DataRequestMonitor<Object> rm = (DataRequestMonitor<Object>)getRequestMonitor();
if (fExpressionElement != null) {
rm.setData(fExpressionElement);
} else if (rm.isSuccess()) {
rm.setStatus(new Status(IStatus.ERROR, DsfUIPlugin.PLUGIN_ID, IDsfStatusConstants.REQUEST_FAILED, "Incomplete elements of updates", null)); //$NON-NLS-1$
}
// trace our result
if (VMViewerUpdateTracing.DEBUG_VMUPDATES && !isCanceled() && VMViewerUpdateTracing.matchesFilterRegex(this.getClass())) {
DsfUIPlugin.debug(DsfPlugin.getDebugTime()
+ " " + LoggingUtils.toString(this) + " marked done; element = " + LoggingUtils.toString(getElement()) + //$NON-NLS-1$ //$NON-NLS-2$
"\n expression = " //$NON-NLS-1$
+ (fExpressionElement != null ? LoggingUtils.toString(fExpressionElement) : "<unset>")); //$NON-NLS-1$
}
super.done();
}
}