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

 * 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, and contributers

 *

 * 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.tags;

import java.util.Map;

import javax.servlet.jsp.JspException;

import de.laures.cewolf.DatasetProducer;

import de.laures.cewolf.taglib.DataAware;

import de.laures.cewolf.taglib.PlotContainer;

import de.laures.cewolf.taglib.PlotDefinition;

import de.laures.cewolf.taglib.TaglibConstants;

/** 

 * Tag <sub-plot> which defines a plot to overlay 

 * @author Chris McCann

 */

public class PlotTag extends CewolfTag implements TaglibConstants, DataAware {

    private PlotDefinition plotDefinition = new PlotDefinition();

    public int doStartTag() throws JspException {

        return EVAL_BODY_INCLUDE;

    }

    public int doEndTag() throws JspException {

        PlotContainer pc = (PlotContainer)findAncestorWithClass(this, PlotContainer.class);

        if (pc == null) {

            throw new JspException("<plot> must be nested in a PlotContainer tag like <overlaid-chart>");

        }

        pc.addPlot(plotDefinition);

        return doAfterEndTag(EVAL_PAGE);

    }

    public void reset() {

        plotDefinition = new PlotDefinition();

    }

    /**

     * Setter for property type.

     * @param type New value of property type.

     */

    public void setType(String type) {

        plotDefinition.setType(type);

    }

    public void setDataProductionConfig(DatasetProducer dsp, Map params, boolean useCache) {

        plotDefinition.setDataProductionConfig(dsp, params, useCache);

    }

    /**

     * Setter for property xAxisLabel. [tb]

     * @param xAxisLabel New value of property xAxisLabel.

     */

    public void setXaxislabel(String xAxisLabel) {

        plotDefinition.setXaxislabel(xAxisLabel);

    }

    /**

     * Setter for property yAxisLabel. [tb]

     * @param yAxisLabel New value of property xAxisLabel.

     */

    public void setYaxislabel(String yAxisLabel) {

        plotDefinition.setYaxislabel(yAxisLabel);

    }

}