Example usage for org.jfree.chart.ui TextAnchor CENTER

Introduction

In this page you can find the example usage for org.jfree.chart.ui TextAnchor CENTER.

Prototype

TextAnchor CENTER

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Document

Middle/center.

Usage

From source file:org.jfree.chart.ChartFactory.java

/**
 * Creates a waterfall chart.  The chart object returned by this method
 * uses a {@link CategoryPlot} instance as the plot, with a
 * {@link CategoryAxis} for the domain axis, a {@link NumberAxis} as the
 * range axis, and a {@link WaterfallBarRenderer} as the renderer.
 *
 * @param title  the chart title ({@code null} permitted).
 * @param categoryAxisLabel  the label for the category axis
 *                           ({@code null} permitted).
 * @param valueAxisLabel  the label for the value axis ({@code null}
 *                        permitted).// ww  w.  j  a v a2 s  .  c om
 * @param dataset  the dataset for the chart ({@code null} permitted).
 *
 * @return A waterfall chart.
 */
public static JFreeChart createWaterfallChart(String title, String categoryAxisLabel, String valueAxisLabel,
        CategoryDataset dataset) {

    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    categoryAxis.setCategoryMargin(0.0);

    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);

    WaterfallBarRenderer renderer = new WaterfallBarRenderer();
    // FIXME create a new method for the horizontal version
    //        if (orientation == PlotOrientation.HORIZONTAL) {
    //            ItemLabelPosition position = new ItemLabelPosition(
    //                    ItemLabelAnchor.CENTER, TextAnchor.CENTER,
    //                    TextAnchor.CENTER, Math.PI / 2.0);
    //            renderer.setBasePositiveItemLabelPosition(position);
    //            renderer.setBaseNegativeItemLabelPosition(position);
    //         }
    ItemLabelPosition position = new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER,
            TextAnchor.CENTER, 0.0);
    renderer.setDefaultPositiveItemLabelPosition(position);
    renderer.setDefaultNegativeItemLabelPosition(position);
    StandardCategoryToolTipGenerator generator = new StandardCategoryToolTipGenerator();
    renderer.setDefaultToolTipGenerator(generator);

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.clearRangeMarkers();
    Marker baseline = new ValueMarker(0.0);
    baseline.setPaint(Color.BLACK);
    plot.addRangeMarker(baseline, Layer.FOREGROUND);
    JFreeChart chart = new JFreeChart(title, plot);
    currentTheme.apply(chart);
    return chart;

}

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