de.uniol.ui.tsv.ui.StepChartDialog.java Source code

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Here is the source code for de.uniol.ui.tsv.ui.StepChartDialog.java

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/*
 * FSM Copyright (C) 2008 Christian Hinrichs
 * 
 * FSM is copyright under the GNU General Public License.
 * 
 * This file is part of FSM.
 * 
 * FSM is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * FSM 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with FSM.  If not, see <http://www.gnu.org/licenses/>.
 */
package de.uniol.ui.tsv.ui;

import java.awt.Color;

import org.eclipse.swt.widgets.Shell;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.chart.renderer.xy.XYStepRendererFast;
import org.jfree.data.Range;
import org.jfree.ui.RectangleInsets;

/**
 * This class shows a step chart. That is a chart which connects data points
 * only with horizontal and vertical lines.
 * 
 * @author <a href=
 *         "mailto:Christian%20Hinrichs%20%3Cchristian.hinrichs@uni-oldenburg.de%3E"
 *         >Christian Hinrichs, christian.hinrichs@uni-oldenburg.de</a>
 */
public class StepChartDialog extends LineChartDialog {

    /**
     * Creates a new step chart with the given values.
     * 
     * @param parent
     * @param title
     * @param xTitle
     * @param yTitle
     * @param tooltipRangeUnits
     * @param tooltipValueUnits
     * @param minRange
     * @param maxRange
     */
    public StepChartDialog(Shell parent, String title, String xTitle, String yTitle, String tooltipRangeUnits,
            String tooltipValueUnits, double minRange, double maxRange, boolean useRelativeHourFormat) {
        super(parent, title, xTitle, yTitle, tooltipRangeUnits, tooltipValueUnits, minRange, maxRange,
                useRelativeHourFormat);
    }

    protected JFreeChart createChart() {
        JFreeChart chart = ChartFactory.createXYStepChartFast(title, xTitle, yTitle, xy, PlotOrientation.VERTICAL,
                true, false, false);

        chart.setBackgroundPaint(Color.white);
        chart.getLegend().setBackgroundPaint(new Color(224, 224, 224));

        XYPlot plot = (XYPlot) chart.getPlot();
        plot.setBackgroundPaint(new Color(224, 224, 224));
        plot.setDomainGridlinePaint(Color.lightGray);
        plot.setRangeGridlinePaint(Color.lightGray);
        plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
        plot.setRenderer(new XYStepRendererFast(null, null));

        XYItemRenderer xyr = plot.getRenderer();
        //      xyr.setBaseToolTipGenerator(new XYToolTipGenerator() {
        //         public String generateToolTip(XYDataset dataset, int series,
        //               int item) {
        //            return nf.format(dataset.getXValue(series, item))
        //                  + tooltipRangeUnits + ", "
        //                  + nf2.format(dataset.getYValue(series, item))
        //                  + tooltipValueUnits;
        //         }
        //      });

        for (int i : seriesStrokes.keySet()) {
            xyr.setSeriesStroke(i, seriesStrokes.get(i));
        }
        for (int i : seriesColors.keySet()) {
            xyr.setSeriesPaint(i, seriesColors.get(i));
        }

        DateAxis da = new DateAxis(xTitle);
        if (useRelativeHourFormat) {
            da.setDateFormatOverride(new RelativeHourFormat());
        }
        da.setLowerMargin(0.03);
        plot.setDomainAxis(da);

        ValueAxis yaxis = plot.getRangeAxis();
        yaxis.setRange(new Range(minRange, maxRange));

        return chart;
    }
}