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/*******************************************************************************
* Copyright (c) 2000, 2005 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.debug.internal.ui.elements.adapters;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.model.IRegisterGroup;
import org.eclipse.debug.core.model.IValue;
import org.eclipse.debug.core.model.IVariable;
import org.eclipse.debug.internal.ui.views.variables.RemoteVariableContentManager;
import org.eclipse.debug.ui.DeferredDebugElementWorkbenchAdapter;
import org.eclipse.ui.progress.IElementCollector;
public class DeferredRegisterGroup extends DeferredDebugElementWorkbenchAdapter {
/* (non-Javadoc)
* @see org.eclipse.ui.model.IWorkbenchAdapter#getChildren(java.lang.Object)
*/
public Object[] getChildren(Object parent) {
try {
return ((IRegisterGroup)parent).getRegisters();
} catch (DebugException e) {
}
return EMPTY;
}
/* (non-Javadoc)
* @see org.eclipse.ui.model.IWorkbenchAdapter#getParent(java.lang.Object)
*/
public Object getParent(Object element) {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.ui.progress.IDeferredWorkbenchAdapter#fetchDeferredChildren(java.lang.Object, org.eclipse.ui.progress.IElementCollector, org.eclipse.core.runtime.IProgressMonitor)
*/
public void fetchDeferredChildren(Object object, IElementCollector collector, IProgressMonitor monitor) {
if (monitor.isCanceled()) {
return;
}
Object[] children = getChildren(object);
if (monitor.isCanceled()) {
return;
}
if (children.length > 0) {
if (collector instanceof RemoteVariableContentManager.VariableCollector) {
RemoteVariableContentManager.VariableCollector remoteCollector = (RemoteVariableContentManager.VariableCollector) collector;
for (int i = 0; i < children.length; i++) {
if (monitor.isCanceled()) {
return;
}
Object child = children[i];
remoteCollector.setHasChildren(child, hasChildren(child));
}
}
collector.add(children, monitor);
}
collector.done();
}
protected boolean hasChildren(Object child) {
if (child instanceof IVariable) {
IVariable var = (IVariable) child;
try {
IValue value = var.getValue();
return value.hasVariables();
} catch (DebugException e) {
}
}
return false;
}
}
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