/*******************************************************************************
 * Copyright (c) 2000, 2003 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 net.sourceforge.phpeclipse.phpeditor;

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;

/**
 * BreakpointImageProvider
 * 
 * @since 3.0
 */
public class BreakpointImageProvider implements IAnnotationImageProvider {

	private IDebugModelPresentation fPresentation;

	/*
	 * @see org.eclipse.jface.text.source.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;
	}

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

	/*
	 * @see org.eclipse.jface.text.source.IAnnotationImageProvider#getImageDescriptor(java.lang.String)
	 */
	public ImageDescriptor getImageDescriptor(String imageDescritporId) {
		return null;
	}

	private IDebugModelPresentation getPresentation() {
		if (fPresentation == null)
			fPresentation = DebugUITools.newDebugModelPresentation();
		return fPresentation;
	}
}