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/*******************************************************************************
* Copyright (c) 2004, 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 java.math.BigInteger;
import org.eclipse.debug.core.model.MemoryByte;
import org.eclipse.debug.internal.ui.DebugPluginImages;
import org.eclipse.debug.internal.ui.IInternalDebugUIConstants;
import org.eclipse.debug.ui.memory.AbstractTableRendering;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Image;
/**
* Abstract label provider for an ITableMemoryViewTab
*
* @since 3.0
*/
abstract public class AbstractTableRenderingLabelProvider extends LabelProvider implements ITableLabelProvider{
protected AbstractTableRendering fRendering;
/**
*
* Constructor for MemoryViewLabelProvider
*/
public AbstractTableRenderingLabelProvider() {
super();
}
public AbstractTableRenderingLabelProvider(AbstractTableRendering rendering){
fRendering = rendering;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose()
*/
@Override
public void dispose() {
fRendering = null;
super.dispose();
}
/**
* @see ITableLabelProvider#getColumnImage(Object, int)
*/
@Override
public Image getColumnImage(Object element, int columnIndex) {
if (columnIndex == 0)
{
return DebugPluginImages.getImage(IInternalDebugUIConstants.IMG_OBJECT_MEMORY);
}
else if (columnIndex > (fRendering.getBytesPerLine()/fRendering.getBytesPerColumn()))
{
return DebugPluginImages.getImage(IInternalDebugUIConstants.IMG_OBJECT_MEMORY);
}
else
{
// if memory in the range has changed, return delta icon
int startOffset = (columnIndex-1)*fRendering.getBytesPerColumn();
int endOffset = startOffset + fRendering.getBytesPerColumn() - 1;
if (((TableRenderingLine)element).isRangeChange(startOffset, endOffset)) {
return DebugPluginImages.getImage(IInternalDebugUIConstants.IMG_OBJECT_MEMORY_CHANGED);
}
return DebugPluginImages.getImage(IInternalDebugUIConstants.IMG_OBJECT_MEMORY);
}
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int)
*/
@Override
public String getColumnText(Object element, int columnIndex) {
String columnLabel = null;
if (columnIndex == 0)
{
columnLabel = ((TableRenderingLine)element).getAddress();
// consult model presentation for address presentation
}
else if (columnIndex > (fRendering.getBytesPerLine()/fRendering.getBytesPerColumn()))
{
columnLabel = " "; //$NON-NLS-1$
}
else
{
int start = (columnIndex-1)*fRendering.getBytesPerColumn();
int end = start + fRendering.getBytesPerColumn();
MemoryByte[] bytes = ((TableRenderingLine)element).getBytes(start, end);
BigInteger address = new BigInteger(((TableRenderingLine)element).getAddress(), 16);
address = address.add(BigInteger.valueOf(start));
columnLabel = fRendering.getString(fRendering.getRenderingId(), address, bytes);
}
return columnLabel;
}
}
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