it.eng.spagobi.engines.chart.bo.charttypes.scattercharts.SimpleScatter.java Source code

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Here is the source code for it.eng.spagobi.engines.chart.bo.charttypes.scattercharts.SimpleScatter.java

Source

/* SpagoBI, the Open Source Business Intelligence suite
    
 * Copyright (C) 2012 Engineering Ingegneria Informatica S.p.A. - SpagoBI Competency Center
 * This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0, without the "Incompatible With Secondary Licenses" notice. 
 * If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package it.eng.spagobi.engines.chart.bo.charttypes.scattercharts;

import it.eng.spagobi.engines.chart.utils.DatasetMap;

import java.awt.Color;
import java.awt.Font;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.xy.DefaultXYDataset;

public class SimpleScatter extends ScatterCharts {

    public JFreeChart createChart(DatasetMap datasets) {

        DefaultXYDataset dataset = (DefaultXYDataset) datasets.getDatasets().get("1");

        JFreeChart chart = ChartFactory.createScatterPlot(name, yLabel, xLabel, dataset, PlotOrientation.HORIZONTAL,
                false, true, false);

        Font font = new Font("Tahoma", Font.BOLD, titleDimension);
        //TextTitle title = new TextTitle(name, font);
        TextTitle title = setStyleTitle(name, styleTitle);
        chart.setTitle(title);
        chart.setBackgroundPaint(Color.white);
        if (subName != null && !subName.equals("")) {
            TextTitle subTitle = setStyleTitle(subName, styleSubTitle);
            chart.addSubtitle(subTitle);
        }

        XYPlot plot = (XYPlot) chart.getPlot();
        plot.setForegroundAlpha(0.65f);

        XYItemRenderer renderer = plot.getRenderer();

        int seriesN = dataset.getSeriesCount();
        if (colorMap != null) {
            for (int i = 0; i < seriesN; i++) {
                String serieName = (String) dataset.getSeriesKey(i);
                Color color = (Color) colorMap.get(serieName);
                if (color != null) {
                    renderer.setSeriesPaint(i, color);
                }
            }
        }

        // increase the margins to account for the fact that the auto-range 
        // doesn't take into account the bubble size...
        NumberAxis domainAxis = (NumberAxis) plot.getDomainAxis();
        domainAxis.setAutoRange(true);
        domainAxis.setRange(yMin, yMax);
        NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
        rangeAxis.setAutoRange(true);
        rangeAxis.setRange(xMin, xMax);

        if (legend == true) {
            drawLegend(chart);
        }
        return chart;
    }

}