net.sf.jasperreports.customizers.shape.LineDotShapeCustomizer.java Source code

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Here is the source code for net.sf.jasperreports.customizers.shape.LineDotShapeCustomizer.java

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/*
 * JasperReports - Free Java Reporting Library.
 * Copyright (C) 2001 - 2019 TIBCO Software Inc. All rights reserved.
 * http://www.jaspersoft.com
 *
 * Unless you have purchased a commercial license agreement from Jaspersoft,
 * the following license terms apply:
 *
 * This program is part of JasperReports.
 *
 * JasperReports 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 3 of the License, or
 * (at your option) any later version.
 *
 * JasperReports 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 JasperReports. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.jasperreports.customizers.shape;

import java.awt.Shape;
import java.awt.geom.Dimension2D;
import java.awt.geom.Rectangle2D;

import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.Plot;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.AbstractRenderer;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;

import net.sf.jasperreports.customizers.util.CategoryCounter;
import net.sf.jasperreports.customizers.util.CategorySeriesNameProvider;
import net.sf.jasperreports.customizers.util.CustomizerUtil;
import net.sf.jasperreports.customizers.util.ItemsCounter;
import net.sf.jasperreports.customizers.util.SeriesNameProvider;
import net.sf.jasperreports.engine.JRChart;

/**
 * Chart customizer to define the shape and the size of the symbol along the line.
 * It works for {@link LineAndShapeRenderer} and {@link XYLineAndShapeRenderer}
 * 
 * @author Marco Orlandin (dejawho2@users.sourceforge.net)
 */
public class LineDotShapeCustomizer extends AbstractShapeCustomizer {
    protected class XYPlotSeriesCounter implements ItemsCounter {
        private final XYPlot xyPlot;

        public XYPlotSeriesCounter(XYPlot xyPlot) {
            this.xyPlot = xyPlot;
        }

        @Override
        public int getCount() {
            return xyPlot.getSeriesCount();
        }
    }

    protected class AbstractRendererSeriesShapeSetter implements ShapeSetter {
        private final AbstractRenderer renderer;

        public AbstractRendererSeriesShapeSetter(AbstractRenderer renderer) {
            this.renderer = renderer;
        }

        @Override
        public void setShape(int seriesIndex, Shape shape) {
            renderer.setSeriesShape(seriesIndex, shape);
        }
    }

    @Override
    public void customize(JFreeChart jfc, JRChart jrc) {
        Plot plot = jfc.getPlot();

        ItemsCounter itemsCounter = null;
        SeriesNameProvider seriesNameProvider = null;
        Object renderer = null;

        if (plot instanceof XYPlot) {
            XYPlot xyPlot = jfc.getXYPlot();
            renderer = xyPlot.getRenderer();
            itemsCounter = new XYPlotSeriesCounter(xyPlot);
            seriesNameProvider = new XYPlotSeriesNameProvider(xyPlot);
        } else if (plot instanceof CategoryPlot) {
            CategoryPlot categoryPlot = jfc.getCategoryPlot();
            renderer = categoryPlot.getRenderer();
            itemsCounter = new CategoryCounter(categoryPlot);
            seriesNameProvider = new CategorySeriesNameProvider(categoryPlot);
        }

        Integer seriesItemIndex = CustomizerUtil.resolveIndex(this, itemsCounter, seriesNameProvider);
        if (seriesItemIndex != null && renderer instanceof AbstractRenderer) {
            ShapeSetter shapeSetter = new AbstractRendererSeriesShapeSetter((AbstractRenderer) renderer);
            if (seriesItemIndex == -1) {
                updateItems(itemsCounter, shapeSetter);
            } else {
                updateItem(itemsCounter, shapeSetter, seriesItemIndex);
            }
        }
    }

    @Override
    protected Point getOffset(Dimension2D size) {
        return new Point((int) (size.getWidth() / 2), (int) (size.getHeight() / 2));
    }

    @Override
    protected Point getOffset(Rectangle2D bounds) {
        return new Point((int) (bounds.getWidth() / 2 + bounds.getX()),
                (int) (bounds.getHeight() / 2 + bounds.getY()));
    }
}