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/*******************************************************************************
* Copyright (c) 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.views.memory.renderings;
import org.eclipse.debug.core.model.IMemoryBlockExtension;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
/**
* Restore default endianess.
* For IMemoryBlockExtension, default is governed by the attributes set
* in its memory bytes.
* For IMemoryBlock, default is big endian.
*
*/
public class DefaultEndianessAction implements IObjectActionDelegate {
AbstractIntegerRendering fRendering;
public DefaultEndianessAction() {
super();
}
@Override
public void setActivePart(IAction action, IWorkbenchPart targetPart) {
}
@Override
public void run(IAction action) {
if (fRendering != null)
{
if (fRendering.getMemoryBlock() instanceof IMemoryBlockExtension)
{
fRendering.setDisplayEndianess(RenderingsUtil.ENDIANESS_UNKNOWN);
}
else
{
fRendering.setDisplayEndianess(RenderingsUtil.BIG_ENDIAN);
}
fRendering.refresh();
}
}
@Override
public void selectionChanged(IAction action, ISelection selection) {
if (selection == null)
return;
if (selection instanceof IStructuredSelection)
{
Object obj = ((IStructuredSelection)selection).getFirstElement();
if (obj == null)
return;
if (obj instanceof AbstractIntegerRendering)
{
fRendering = (AbstractIntegerRendering)obj;
}
}
}
}
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