net.sf.jasperreports.customizers.LevelRenderCustomizer.java Source code

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Here is the source code for net.sf.jasperreports.customizers.LevelRenderCustomizer.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;

import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.renderer.category.LevelRenderer;

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.engine.JRAbstractChartCustomizer;
import net.sf.jasperreports.engine.JRChart;

/**
 * @author Marco Orlandin (dejawho2@users.sourceforge.net)
 */
public class LevelRenderCustomizer extends JRAbstractChartCustomizer {
    public static final String PROPERTY_ITEM_MARIGN = "itemMargin";
    public static final String PROPERTY_MAX_ITEM_WIDTH = "maxItemWidth";

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

            ItemsCounter itemsCounter = new CategoryCounter(plot);

            Integer seriesIndex = CustomizerUtil.resolveIndex(this, itemsCounter,
                    new CategorySeriesNameProvider(plot));
            if (seriesIndex != null) {
                LevelRenderer levelRenderer = new LevelRenderer();

                Double itemMargin = getDoubleProperty(PROPERTY_ITEM_MARIGN);
                if (itemMargin != null) {
                    levelRenderer.setItemMargin(itemMargin);
                }
                Double maxItemWidth = getDoubleProperty(PROPERTY_MAX_ITEM_WIDTH);
                if (maxItemWidth != null) {
                    levelRenderer.setMaximumItemWidth(maxItemWidth);
                }

                if (seriesIndex == -1) {
                    for (int i = 0; i < itemsCounter.getCount(); i++) {
                        plot.setRenderer(i, levelRenderer);
                    }
                } else {
                    plot.setRenderer(seriesIndex, levelRenderer);
                }
            }
        }
    }
}