/*
 Dandelion, a Lisp plugin for Eclipse.
 Copyright (C) 2007 Michael Bohn

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License along
 with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package de.defmacro.dandelion.internal.ui.views;

import org.eclipse.jface.text.source.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.*;

import de.defmacro.dandelion.internal.LispPluginActivator;

public class ErrorAnnotation
extends Annotation
implements IAnnotationPresentation
{
	public static final String TYPE = LispPluginActivator.NS + ".errorAnnotation";
	
	private Image errorImage;
	
	public ErrorAnnotation(final Image errorImage)
	{
		if (errorImage == null) {
			throw new NullPointerException("Image must not be null");
		}
		
		this.errorImage = errorImage;
		this.setText("Illegal parenthesis nesting");
		this.setType(TYPE);
	}

	public int getLayer() 
	{
		return IAnnotationPresentation.DEFAULT_LAYER;
	}

	public void paint(GC gc, Canvas canvas, Rectangle bounds) 
	{
		gc.drawImage(errorImage, bounds.x, bounds.y);
	}
}
