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/*******************************************************************************
 * Copyright (c) 2004, 2006 QNX Software Systems 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:
 * QNX Software Systems - Initial API and implementation
 *******************************************************************************/
package org.eclipse.cdt.debug.internal.ui;

import org.eclipse.core.resources.IMarker;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.debug.ui.IDebugModelPresentation;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.text.source.Annotation;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.texteditor.IAnnotationImageProvider;
import org.eclipse.ui.texteditor.MarkerAnnotation;


/**
 * Provides breakpoint's image information.
 */
public class BreakpointImageProvider implements IAnnotationImageProvider {

	private IDebugModelPresentation fPresentation;

	/* (non-Javadoc)
	 * @see org.eclipse.ui.texteditor.IAnnotationImageProvider#getManagedImage(org.eclipse.jface.text.source.Annotation)
	 */
	public Image getManagedImage( Annotation annotation ) {
		if ( annotation instanceof MarkerAnnotation ) {
			MarkerAnnotation markerAnnotation = (MarkerAnnotation)annotation;
			IMarker marker = markerAnnotation.getMarker();
			if ( marker != null && marker.exists() )
				return getPresentation().getImage( marker );
		}
		return null;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.texteditor.IAnnotationImageProvider#getImageDescriptorId(org.eclipse.jface.text.source.Annotation)
	 */
	public String getImageDescriptorId( Annotation annotation ) {
		return null;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.texteditor.IAnnotationImageProvider#getImageDescriptor(java.lang.String)
	 */
	public ImageDescriptor getImageDescriptor( String imageDescritporId ) {
		return null;
	}
	
	private IDebugModelPresentation getPresentation() {
		if ( fPresentation == null )
			fPresentation = DebugUITools.newDebugModelPresentation();
		return fPresentation;
	}
}

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