franta-hg@1: /* ================================================================
franta-hg@1:  * Cewolf : Chart enabling Web Objects Framework
franta-hg@1:  * ================================================================
franta-hg@1:  *
franta-hg@1:  * Project Info:  http://cewolf.sourceforge.net
franta-hg@1:  * Project Lead:  Guido Laures (guido@laures.de);
franta-hg@1:  *
franta-hg@1:  * (C) Copyright 2002, by Guido Laures
franta-hg@1:  *
franta-hg@1:  * This library is free software; you can redistribute it and/or modify it under the terms
franta-hg@1:  * of the GNU Lesser General Public License as published by the Free Software Foundation;
franta-hg@1:  * either version 2.1 of the License, or (at your option) any later version.
franta-hg@1:  *
franta-hg@1:  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
franta-hg@1:  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
franta-hg@1:  * See the GNU Lesser General Public License for more details.
franta-hg@1:  *
franta-hg@1:  * You should have received a copy of the GNU Lesser General Public License along with this
franta-hg@1:  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
franta-hg@1:  * Boston, MA 02111-1307, USA.
franta-hg@1:  */
franta-hg@1: 
franta-hg@1: package de.laures.cewolf.taglib;
franta-hg@1: 
franta-hg@1: import java.util.Arrays;
franta-hg@1: import java.util.List;
franta-hg@1: 
franta-hg@1: import org.jfree.chart.renderer.AbstractRenderer;
franta-hg@1: import org.jfree.chart.renderer.category.AreaRenderer;
franta-hg@1: import org.jfree.chart.renderer.category.BarRenderer;
franta-hg@1: import org.jfree.chart.renderer.category.LineAndShapeRenderer;
franta-hg@1: import org.jfree.chart.renderer.xy.CandlestickRenderer;
franta-hg@1: import org.jfree.chart.renderer.xy.HighLowRenderer;
franta-hg@1: import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
franta-hg@1: import org.jfree.chart.renderer.xy.XYAreaRenderer;
franta-hg@1: import org.jfree.chart.renderer.xy.XYBarRenderer;
franta-hg@1: import org.jfree.chart.renderer.xy.XYStepRenderer;
franta-hg@1: 
franta-hg@1: /**
franta-hg@1:  * Contains the list of all possible plot type string values which can be used
franta-hg@1:  * in the <code>type</code> attribute of a &lt;chart&gt; tag.
franta-hg@1:  *
franta-hg@1:  * It also contains all the renders that correspond with the plot types
franta-hg@1:  * @author  Chris McCann
franta-hg@1:  */
franta-hg@1: public class PlotTypes {
franta-hg@1: 
franta-hg@1: 	/** All type strings in an array */
franta-hg@1: 	public static final String[] typeNames =
franta-hg@1: 		{
franta-hg@1: 			"xyarea",
franta-hg@1: 			"xyline",
franta-hg@1: 			"xyshapesandlines",
franta-hg@1: 			"scatter",
franta-hg@1: 			"xyverticalbar",
franta-hg@1: 			"step",
franta-hg@1: 			"candlestick",
franta-hg@1: 			"highlow",
franta-hg@1: 			"signal",
franta-hg@1: 			"verticalbar",
franta-hg@1: 			"area",
franta-hg@1: 			"line",
franta-hg@1: 			"shapesandlines" };
franta-hg@1: 
franta-hg@1: 	/**
franta-hg@1: 	 * The whole typeNames array inside of a list.
franta-hg@1: 	 * @see #typeNames
franta-hg@1: 	 */
franta-hg@1: 	private static final List typeList = Arrays.asList(typeNames);
franta-hg@1: 	
franta-hg@1: 	/**
franta-hg@1: 	 * Create a renderer for the given type index.
franta-hg@1: 	 * We create a new renderer instance for each chart, because they may want to customize
franta-hg@1: 	 * it in a post-processor.
franta-hg@1: 	 * 
franta-hg@1: 	 * @param idx The index of the type
franta-hg@1: 	 * @return A new renderer instance
franta-hg@1: 	 */
franta-hg@1: 	public static AbstractRenderer getRenderer(int idx) {
franta-hg@1: 		switch (idx) {
franta-hg@1: 			case 0: return new XYAreaRenderer();
franta-hg@1: 			case 1: return new StandardXYItemRenderer();
franta-hg@1: 			case 2: return new StandardXYItemRenderer(StandardXYItemRenderer.SHAPES_AND_LINES);
franta-hg@1: 			case 3: return new StandardXYItemRenderer(StandardXYItemRenderer.SHAPES);
franta-hg@1: 			case 4: return new XYBarRenderer();
franta-hg@1: 			case 5: return new XYStepRenderer();
franta-hg@1: 			case 6: return new CandlestickRenderer();
franta-hg@1: 			case 7: return new HighLowRenderer();
franta-hg@1: 			//case 8: return new SignalRenderer();
franta-hg@1: 			case 9: return new BarRenderer();
franta-hg@1: 			case 10: return new AreaRenderer();
franta-hg@1: 			case 11: return new LineAndShapeRenderer(true,false);
franta-hg@1: 			case 12: return new LineAndShapeRenderer(true,true);
franta-hg@1: 			default:
franta-hg@1: 				throw new RuntimeException("Invalid renderer index:" + idx);
franta-hg@1: 		}		
franta-hg@1: 	}
franta-hg@1: 
franta-hg@1: 	private PlotTypes() {
franta-hg@1: 	}
franta-hg@1: 
franta-hg@1:     /**
franta-hg@1:      * Get the renderer index for the given plot type.
franta-hg@1:      * @param plotType The type string of the plot
franta-hg@1:      * @return The index The index of renderer
franta-hg@1:      * @throws AttributeValidationException if unknown type
franta-hg@1:      */
franta-hg@1:     public static int getRendererIndex(String plotType) throws AttributeValidationException  {
franta-hg@1:         int rendererIndex = PlotTypes.typeList.indexOf(plotType.toLowerCase());
franta-hg@1:         if (rendererIndex < 0) {
franta-hg@1:           throw new AttributeValidationException("plot.type", plotType);
franta-hg@1:         }
franta-hg@1:         return rendererIndex;
franta-hg@1:     }
franta-hg@1: 
franta-hg@1: }