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/*******************************************************************************
* Copyright (c) 2005, 2007 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.examples.ui.pda.adapters;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.examples.core.pda.model.PDADebugTarget;
import org.eclipse.debug.examples.core.pda.model.PDAThread;
import org.eclipse.debug.internal.ui.model.elements.ElementContentProvider;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate;
import org.eclipse.debug.ui.IDebugUIConstants;
public class PDADebugTargetContentProvider extends ElementContentProvider {
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.model.elements.ElementContentProvider#getChildCount(java.lang.Object, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate)
*/
protected int getChildCount(Object element, IPresentationContext context, IViewerUpdate monitor) throws CoreException {
PDAThread thread = ((PDADebugTarget) element).getThread();
if (thread != null) {
if (thread.hasStackFrames()) {
return thread.getStackFrames().length;
}
}
return 0;
}
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.model.elements.ElementContentProvider#hasChildren(java.lang.Object, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate)
*/
protected boolean hasChildren(Object element, IPresentationContext context, IViewerUpdate monitor) throws CoreException {
PDAThread thread = ((PDADebugTarget) element).getThread();
if (thread != null) {
return thread.hasStackFrames();
}
return false;
}
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.model.elements.ElementContentProvider#getChildren(java.lang.Object, int, int, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate)
*/
protected Object[] getChildren(Object parent, int index, int length, IPresentationContext context, IViewerUpdate monitor) throws CoreException {
if (context.getId().equals(IDebugUIConstants.ID_DEBUG_VIEW)) {
PDAThread thread = ((PDADebugTarget) parent).getThread();
if (thread != null) {
return getElements(thread.getStackFrames(), index, length);
}
}
return EMPTY;
}
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.model.elements.ElementContentProvider#supportsContextId(java.lang.String)
*/
protected boolean supportsContextId(String id) {
return IDebugUIConstants.ID_DEBUG_VIEW.equals(id);
}
}
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