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/*******************************************************************************
* Copyright (c) 2006 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.views.memory;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.model.IMemoryBlock;
import org.eclipse.debug.core.model.IMemoryBlockRetrieval;
import org.eclipse.debug.internal.ui.viewers.PartPresentationContext;
import org.eclipse.debug.internal.ui.viewers.model.TreeModelContentProvider;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
import org.eclipse.debug.internal.ui.viewers.model.provisional.TreeModelViewer;
public class MemoryViewTreeModelContentProvider extends
TreeModelContentProvider {
protected void updateNodes(IModelDelta[] nodes) {
if (getViewer() instanceof TreeModelViewer)
{
TreeModelViewer viewer = (TreeModelViewer) getViewer();
for (int i = 0; i < nodes.length; i++) {
IModelDelta node = nodes[i];
int flags = node.getFlags();
if ((flags & IModelDelta.ADDED) != 0) {
if (node.getElement() instanceof IMemoryBlock) {
if ((flags & IModelDelta.SELECT) != 0) {
PartPresentationContext context = (PartPresentationContext) viewer
.getPresentationContext();
if (context.getPart() instanceof MemoryView) {
MemoryView view = (MemoryView) context
.getPart();
if (view.isPinMBDisplay()) {
// turn off select if the view is currently
// pinned
flags |= IModelDelta.SELECT;
flags ^= IModelDelta.SELECT;
}
}
}
// override and select the first memory block
if (isFirstMemoryBlock()) {
flags |= IModelDelta.SELECT;
}
}
}
if ((flags & IModelDelta.ADDED) != 0) {
handleAdd(node);
}
if ((flags & IModelDelta.REMOVED) != 0) {
handleRemove(node);
}
if ((flags & IModelDelta.CONTENT) != 0) {
handleContent(node);
}
if ((flags & IModelDelta.EXPAND) != 0) {
handleExpand(node);
}
if ((flags & IModelDelta.SELECT) != 0) {
handleSelect(node);
}
if ((flags & IModelDelta.STATE) != 0) {
handleState(node);
}
if ((flags & IModelDelta.INSERTED) != 0) {
handleInsert(node);
}
if ((flags & IModelDelta.REPLACED) != 0) {
handleReplace(node);
}
if ((flags & IModelDelta.INSTALL) != 0) {
handleInstall(node);
}
if ((flags & IModelDelta.UNINSTALL) != 0) {
handleUninstall(node);
}
updateNodes(node.getChildDeltas());
}
}
}
private boolean isFirstMemoryBlock()
{
Object input = getViewer().getInput();
if (input instanceof IMemoryBlockRetrieval)
{
IMemoryBlock[] memoryBlocks = DebugPlugin.getDefault().getMemoryBlockManager().getMemoryBlocks((IMemoryBlockRetrieval)input);
if (memoryBlocks.length == 1)
return true;
}
return false;
}
}
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