/*******************************************************************************
 * Copyright (c) 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-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.internal.ui.DebugUIPlugin;
import org.eclipse.debug.internal.ui.preferences.IDebugPreferenceConstants;
import org.eclipse.debug.ui.IDebugModelPresentation;
import org.eclipse.debug.ui.memory.AbstractTableRendering;
import org.eclipse.debug.ui.memory.IMemoryBlockTablePresentation;
import org.eclipse.jface.viewers.IColorProvider;
import org.eclipse.swt.graphics.Color;

/**
 * @since 3.0
 */
public class TableRenderingLabelProvider
	extends AbstractTableRenderingLabelProvider implements IColorProvider{
	
	/**
	 * Constructor for MemoryViewLabelProvider
	 */
	public TableRenderingLabelProvider() {
		super();
	}
	
	public TableRenderingLabelProvider(AbstractTableRendering rendering){
		super(rendering);
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int)
	 */
	public String getColumnText(Object element, int columnIndex) {
		
		String label = super.getColumnText(element, columnIndex);
		
		// consult model presentation for address presentation
		if (columnIndex == 0)
		{	
			// get model presentation
			IDebugModelPresentation presentation = DebugUIPlugin.getModelPresentation();
			
			if (presentation instanceof IMemoryBlockTablePresentation)
			{	
				IMemoryBlockTablePresentation memPresentation = (IMemoryBlockTablePresentation)presentation;
				String address = ((TableRenderingLine)element).getAddress();
				
				// get address presentation
				String tempLabel = memPresentation.getRowLabel(fRendering.getMemoryBlock(), new BigInteger(address, 16));
				
				if (tempLabel != null)
					return tempLabel;
			}
			return label;
		}
		return label;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.jface.viewers.IColorProvider#getForeground(java.lang.Object)
	 */
	public Color getForeground(Object element) {
		if (element instanceof TableRenderingLine)
		{
			TableRenderingLine line = (TableRenderingLine)element;
			
			if (line.isMonitored) {
				return DebugUIPlugin.getPreferenceColor(IDebugPreferenceConstants.MEMORY_VIEW_BUFFERED_LINE_COLOR);
			}
			return DebugUIPlugin.getPreferenceColor(IDebugPreferenceConstants.MEMORY_VIEW_UNBUFFERED_LINE_COLOR);
		}
		return DebugUIPlugin.getPreferenceColor(IDebugPreferenceConstants.MEMORY_VIEW_BUFFERED_LINE_COLOR);
	}

	/* (non-Javadoc)
	 * @see org.eclipse.jface.viewers.IColorProvider#getBackground(java.lang.Object)
	 */
	public Color getBackground(Object element) {
		
		return null;
	}
}