/* ================================================================

  * Cewolf : Chart enabling Web Objects Framework

  * ================================================================

  *

  * Project Info:  http://cewolf.sourceforge.net

  * Project Lead:  Guido Laures (guido@laures.de);

  *

  * (C) Copyright 2002, by Guido Laures

  *

  * This library is free software; you can redistribute it and/or modify it under the terms

  * of the GNU Lesser General Public License as published by the Free Software Foundation;

  * either version 2.1 of the License, or (at your option) any later version.

  *

  * This library 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 Lesser General Public License for more details.

  *

  * You should have received a copy of the GNU Lesser General Public License along with this

  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,

  * Boston, MA 02111-1307, USA.

  */

 package de.laures.cewolf.taglib;

 import java.util.Arrays;

 import java.util.List;

 import org.jfree.chart.renderer.AbstractRenderer;

 import org.jfree.chart.renderer.category.AreaRenderer;

 import org.jfree.chart.renderer.category.BarRenderer;

 import org.jfree.chart.renderer.category.LineAndShapeRenderer;

 import org.jfree.chart.renderer.xy.CandlestickRenderer;

 import org.jfree.chart.renderer.xy.HighLowRenderer;

 import org.jfree.chart.renderer.xy.StandardXYItemRenderer;

 import org.jfree.chart.renderer.xy.XYAreaRenderer;

 import org.jfree.chart.renderer.xy.XYBarRenderer;

 import org.jfree.chart.renderer.xy.XYStepRenderer;

 /**

  * Contains the list of all possible plot type string values which can be used

  * in the <code>type</code> attribute of a &lt;chart&gt; tag.

  *

  * It also contains all the renders that correspond with the plot types

  * @author  Chris McCann

  */

 public class PlotTypes {

 	/** All type strings in an array */

 	public static final String[] typeNames =

 		{

 			"xyarea",

 			"xyline",

 			"xyshapesandlines",

 			"scatter",

 			"xyverticalbar",

 			"step",

 			"candlestick",

 			"highlow",

 			"signal",

 			"verticalbar",

 			"area",

 			"line",

 			"shapesandlines" };

 	/**

 	 * The whole typeNames array inside of a list.

 	 * @see #typeNames

 	 */

 	private static final List typeList = Arrays.asList(typeNames);

 	/**

 	 * Create a renderer for the given type index.

 	 * We create a new renderer instance for each chart, because they may want to customize

 	 * it in a post-processor.

 	 * 

 	 * @param idx The index of the type

 	 * @return A new renderer instance

 	 */

 	public static AbstractRenderer getRenderer(int idx) {

 		switch (idx) {

 			case 0: return new XYAreaRenderer();

 			case 1: return new StandardXYItemRenderer();

 			case 2: return new StandardXYItemRenderer(StandardXYItemRenderer.SHAPES_AND_LINES);

 			case 3: return new StandardXYItemRenderer(StandardXYItemRenderer.SHAPES);

 			case 4: return new XYBarRenderer();

 			case 5: return new XYStepRenderer();

 			case 6: return new CandlestickRenderer();

 			case 7: return new HighLowRenderer();

 			//case 8: return new SignalRenderer();

 			case 9: return new BarRenderer();

 			case 10: return new AreaRenderer();

 			case 11: return new LineAndShapeRenderer(true,false);

 			case 12: return new LineAndShapeRenderer(true,true);

 			default:

 				throw new RuntimeException("Invalid renderer index:" + idx);

 		}		

 	}

 	private PlotTypes() {

 	}

     /**

      * Get the renderer index for the given plot type.

      * @param plotType The type string of the plot

      * @return The index The index of renderer

      * @throws AttributeValidationException if unknown type

      */

     public static int getRendererIndex(String plotType) throws AttributeValidationException  {

         int rendererIndex = PlotTypes.typeList.indexOf(plotType.toLowerCase());

         if (rendererIndex < 0) {

           throw new AttributeValidationException("plot.type", plotType);

         }

         return rendererIndex;

     }

 }