org.sonar.plugins.ral.GaugeChart.java Source code

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Here is the source code for org.sonar.plugins.ral.GaugeChart.java

Source

/*
 * Sonar Rules Meter Plugin
 * Copyright (C) 2009 SonarSource
 * dev@sonar.codehaus.org
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
 */

package org.sonar.plugins.ral;

import org.jfree.chart.plot.*;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.data.general.ValueDataset;
import org.jfree.data.general.DefaultValueDataset;
import org.sonar.api.charts.AbstractChart;
import org.sonar.api.charts.ChartParameters;

import java.awt.Color;
import java.text.NumberFormat;

public class GaugeChart extends AbstractChart {
    public static final String PARAM_VALUES = "v";

    public String getKey() {
        return "thermometer";
    }

    @Override
    protected Plot getPlot(ChartParameters params) {
        ThermometerPlot plot = new ThermometerPlot(createDataset(params));

        plot.setGap(1);

        plot.setRange(0, 1);
        plot.setSubrange(0, 0, 1);

        plot.setSubrangePaint(0, Color.decode("#ffffff"));
        plot.setSubrangePaint(1, Color.decode("#ffffff"));
        plot.setSubrangePaint(2, Color.decode("#ffffff"));

        plot.setMercuryPaint(Color.decode("#dddddd"));
        plot.setThermometerPaint(Color.decode("#aaaaaa"));
        plot.setValuePaint(Color.decode("#333333"));

        plot.setUseSubrangePaint(false);
        plot.setUnits(ThermometerPlot.UNITS_NONE);
        plot.setBulbRadius(15);
        plot.setColumnRadius(6);

        NumberAxis axis = new NumberAxis();
        axis.setNumberFormatOverride(NumberFormat.getPercentInstance());
        plot.setRangeAxis(axis);
        plot.setValueLocation(ThermometerPlot.NONE);

        return plot;
    }

    private ValueDataset createDataset(ChartParameters params) {
        String value = params.getValue(PARAM_VALUES);
        DefaultValueDataset set = new DefaultValueDataset(Double.valueOf(value) / 100);
        return set;
    }

}