Example usage for org.jfree.chart.plot MultiplePiePlot setForegroundAlpha

Introduction

In this page you can find the example usage for org.jfree.chart.plot MultiplePiePlot setForegroundAlpha.

Prototype

public void setForegroundAlpha(float alpha) 

Source Link

Document

Sets the alpha-transparency for the plot and sends a PlotChangeEvent to all registered listeners.

Usage

From source file:com.itemanalysis.jmetrik.graph.piechart.PieChartPanel.java

public void setGraph() {
    if (hasGroupVariable) {
        DefaultCategoryDataset piedat = new DefaultCategoryDataset();
        chart = ChartFactory.createMultiplePieChart(chartTitle, piedat, TableOrder.BY_ROW, showLegend, true,
                false);/*from w  w  w.ja  v a 2  s .  co  m*/

        if (chartSubtitle != null && !"".equals(chartSubtitle)) {
            TextTitle subtitle1 = new TextTitle(chartSubtitle);
            chart.addSubtitle(subtitle1);
        }

        MultiplePiePlot plot = (MultiplePiePlot) chart.getPlot();
        JFreeChart subchart = plot.getPieChart();
        PiePlot p = (PiePlot) subchart.getPlot();
        p.setBackgroundPaint(Color.WHITE);
        p.setLabelGenerator(new StandardPieSectionLabelGenerator("{0} ({2})"));
        if (explode)
            p.setExplodePercent(explodeValue, explodePercent);

        ChartPanel panel = new ChartPanel(chart);
        panel.setPreferredSize(new Dimension(width, height));

        chart.setPadding(new RectangleInsets(20.0, 5.0, 20.0, 5.0));
        this.add(panel);
    } else {
        DefaultPieDataset piedat = new DefaultPieDataset();
        if (command.getSelectOneOption("view").isValueSelected("3D")) {
            chart = ChartFactory.createPieChart3D(chartTitle, piedat, showLegend, true, false);

            PiePlot3D plot = (PiePlot3D) chart.getPlot();
            plot.setStartAngle(290);
            plot.setDirection(Rotation.CLOCKWISE);
            plot.setForegroundAlpha(0.5f);
            plot.setNoDataMessage("No data to display");
            if (explode)
                plot.setExplodePercent(explodeValue, explodePercent);

        } else {
            chart = ChartFactory.createPieChart(command.getFreeOption("title").getString(), piedat, showLegend,
                    true, false);
        }

        if (chartSubtitle != null && !"".equals(chartSubtitle)) {
            TextTitle subtitle = new TextTitle(chartSubtitle);
            chart.addSubtitle(subtitle);
        }

        PiePlot plot = (PiePlot) chart.getPlot();
        plot.setLabelGap(0.02);
        plot.setLabelGenerator(new StandardPieSectionLabelGenerator("{0} ({2})"));
        plot.setBackgroundPaint(Color.WHITE);
        if (explode)
            plot.setExplodePercent(explodeValue, explodePercent);

        ChartPanel panel = new ChartPanel(chart);
        panel.getPopupMenu().addSeparator();
        this.addJpgMenuItem(this, panel.getPopupMenu());
        panel.setPreferredSize(new Dimension(width, height));

        chart.setPadding(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
        this.setBackground(Color.WHITE);
        this.add(panel);
    }

}

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