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

 * 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;

    }

}