org.n52.oxf.render.sos.MyChartRenderer.java Source code

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Here is the source code for org.n52.oxf.render.sos.MyChartRenderer.java

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/**
 * Copyright (C) 2012
 * by 52 North Initiative for Geospatial Open Source Software GmbH
 *
 * Contact: Andreas Wytzisk
 * 52 North Initiative for Geospatial Open Source Software GmbH
 * Martin-Luther-King-Weg 24
 * 48155 Muenster, Germany
 * info@52north.org
 *
 * This program is free software; you can redistribute and/or modify it under
 * the terms of the GNU General Public License version 2 as published by the
 * Free Software Foundation.
 *
 * This program is distributed WITHOUT ANY WARRANTY; even without 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 (see gnu-gpl v2.txt). If not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA or
 * visit the Free Software Foundation web page, http://www.fsf.org.
 */
package org.n52.oxf.render.sos;

import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;

import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.entity.EntityCollection;
import org.jfree.chart.plot.CrosshairState;
import org.jfree.chart.plot.PlotRenderingInfo;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRendererState;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.data.xy.XYDataset;

/**
 * @author <a href="mailto:broering@52north.org">Arne Broering</a>
 *
 */
public class MyChartRenderer extends XYLineAndShapeRenderer {

    public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info,
            XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item,
            CrosshairState crosshairState, int pass) {

        // do nothing if item is not visible
        if (!getItemVisible(series, item)) {
            return;
        }

        // first pass draws the background (lines, for instance)
        if (isLinePass(pass)) {
            if (getItemLineVisible(series, item)) {

                drawPrimaryLine(state, g2, plot, dataset, pass, series, item, domainAxis, rangeAxis, dataArea);
            }

        }
        // second pass adds shapes where the items are ..
        else if (isItemPass(pass)) {

            // setup for collecting optional entity info...
            EntityCollection entities = null;
            if (info != null) {
                entities = info.getOwner().getEntityCollection();
            }

            drawSecondaryPass(g2, plot, dataset, pass, series, item, domainAxis, dataArea, rangeAxis,
                    crosshairState, entities);
        }
    }
}