Example usage for org.jfree.data.general SelectionChangeEvent getSelectionExtension

Introduction

In this page you can find the example usage for org.jfree.data.general SelectionChangeEvent getSelectionExtension.

Prototype

public DatasetSelectionExtension<CURSOR> getSelectionExtension() 

Source Link

Usage

From source file:org.jfree.chart.demo.selection.SelectionDemo6Pie.java

private static JFreeChart createChart(final PieDataset dataset,
        DatasetSelectionExtension<PieCursor<String>> ext) {
    JFreeChart chart = ChartFactory.createPieChart("Pie Chart Demo 2", dataset);

    final PiePlot plot = (PiePlot) chart.getPlot();
    plot.setSectionPaint("One", new Color(160, 160, 255));
    plot.setSectionPaint("Two", new Color(128, 128, 255 - 32));
    plot.setSectionPaint("Three", new Color(96, 96, 255 - 64));
    plot.setSectionPaint("Four", new Color(64, 64, 255 - 96));
    plot.setSectionPaint("Five", new Color(32, 32, 255 - 128));
    plot.setSectionPaint("Six", new Color(0, 0, 255 - 144));

    plot.setNoDataMessage("No data available");

    plot.setLabelGenerator(new StandardPieSectionLabelGenerator("{0} ({2} percent)"));
    plot.setLabelBackgroundPaint(new Color(220, 220, 220));

    plot.setLegendLabelToolTipGenerator(new StandardPieSectionLabelGenerator("Tooltip for legend item {0}"));
    plot.setSimpleLabels(true);//from www.  j  av a  2s  .  com
    plot.setInteriorGap(0.1);

    //pie plots done use abstract renderers need to react to selection on our own
    final PieCursor<String> cursor = new PieCursor<String>();

    ext.addChangeListener(new SelectionChangeListener<PieCursor<String>>() {
        public void selectionChanged(SelectionChangeEvent<PieCursor<String>> event) {
            for (int i = 0; i < dataset.getItemCount(); i++) {
                cursor.setPosition((String) dataset.getKey(i));
                if (event.getSelectionExtension().isSelected(cursor)) {
                    plot.setExplodePercent(cursor.key, 0.15);
                } else {
                    plot.setExplodePercent(cursor.key, 0.0);
                }
            }
        }
    });

    return chart;
}

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From source file:org.jfree.chart.demo.selection.SelectionDemo6Pie.java

public void selectionChanged(SelectionChangeEvent<PieCursor<String>> event) {
    while (this.model.getRowCount() > 0) {
        this.model.removeRow(0);
    }//from   w  w w  .j  av  a  2s  .com

    PieDatasetSelectionExtension<String> ext = (PieDatasetSelectionExtension<String>) event
            .getSelectionExtension();
    DatasetIterator<PieCursor<String>> iter = ext.getSelectionIterator(true);

    while (iter.hasNext()) {
        PieCursor<String> dc = iter.next();
        this.model.addRow(new Object[] { dc.key, this.dataset.getValue(dc.key) });
    }
}

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From source file:org.jfree.chart.demo.selection.SelectionDemo4.java

/**
 * The selection changed, so we change the table model.
 * // ww  w . jav  a2  s. c  o  m
 * @param event  the event.
 */
@Override
public void selectionChanged(SelectionChangeEvent<XYCursor> event) {
    while (this.model.getRowCount() > 0) {
        this.model.removeRow(0);
    }

    XYDatasetSelectionExtension ext = (XYDatasetSelectionExtension) event.getSelectionExtension();
    DatasetIterator<XYCursor> iter = ext.getSelectionIterator(true);

    while (iter.hasNext()) {
        XYCursor dc = iter.next();
        this.model.addRow(new Object[] { new Integer(dc.item), this.dataset.getStartX(dc.series, dc.item),
                this.dataset.getEndX(dc.series, dc.item), this.dataset.getY(dc.series, dc.item) });
    }
}

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From source file:org.jfree.chart.demo.selection.SelectionDemo2.java

/**
 * The selection changed, so we change the table model.
 * /*  w w  w . ja v a  2  s  . co m*/
 * @param event  the event.
 */
@Override
public void selectionChanged(SelectionChangeEvent<XYCursor> event) {
    while (this.model.getRowCount() > 0) {
        this.model.removeRow(0);
    }

    XYDatasetSelectionExtension ext = (XYDatasetSelectionExtension) event.getSelectionExtension();
    DatasetIterator<XYCursor> iter = ext.getSelectionIterator(true);
    while (iter.hasNext()) {
        XYCursor dc = iter.next();
        Comparable seriesKey = this.dataset.getSeriesKey(dc.series);
        Number x = this.dataset.getX(dc.series, dc.item);
        Number y = this.dataset.getX(dc.series, dc.item);
        this.model.addRow(new Object[] { seriesKey, new Integer(dc.item), x, y });
    }
}

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From source file:org.jfree.chart.demo.selection.SelectionDemo3.java

/**
 * The selection changed, so we change the table model
 * /*from   ww  w .j a va2s. co  m*/
 * @param event  the event.
 */
@Override
public void selectionChanged(SelectionChangeEvent<XYCursor> event) {
    while (this.model.getRowCount() > 0) {
        this.model.removeRow(0);
    }

    XYDatasetSelectionExtension ext = (XYDatasetSelectionExtension) event.getSelectionExtension();
    DatasetIterator<XYCursor> iter = ext.getSelectionIterator(true);

    while (iter.hasNext()) {
        XYCursor dc = iter.next();

        Comparable seriesKey = this.dataset.getSeriesKey(dc.series);
        Number x = this.dataset.getX(dc.series, dc.item);
        Number y = this.dataset.getX(dc.series, dc.item);

        this.model.addRow(new Object[] { seriesKey, new Integer(dc.item), x, y });
    }
}

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From source file:org.jfree.chart.demo.selection.SelectionDemo1.java

/**
 * The selection changed, so we change the table model
 * //from   w w w  . j  ava 2 s. c om
 * @param event  event information.
 */
public void selectionChanged(SelectionChangeEvent<XYCursor> event) {
    while (this.model.getRowCount() > 0) {
        this.model.removeRow(0);
    }

    XYDatasetSelectionExtension ext = (XYDatasetSelectionExtension) event.getSelectionExtension();
    DatasetIterator<XYCursor> iter = ext.getSelectionIterator(true);

    while (iter.hasNext()) {
        XYCursor dc = iter.next();
        Comparable seriesKey = this.dataset.getSeriesKey(dc.series);
        RegularTimePeriod p = this.dataset.getSeries(dc.series).getTimePeriod(dc.item);
        Number value = this.dataset.getY(dc.series, dc.item);

        this.model.addRow(new Object[] { seriesKey, new Integer(dc.item), p, value });
    }
}

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From source file:org.jfree.chart.demo.selection.SelectionDemo5Category.java

public void selectionChanged(SelectionChangeEvent<CategoryCursor<String, String>> event) {
    while (this.model.getRowCount() > 0) {
        this.model.removeRow(0);
    }//from  ww  w. ja va  2 s. com

    CategoryDatasetSelectionExtension<String, String> ext = (CategoryDatasetSelectionExtension<String, String>) event
            .getSelectionExtension();
    DatasetIterator<CategoryCursor<String, String>> iter = ext.getSelectionIterator(true);

    while (iter.hasNext()) {
        CategoryCursor<String, String> dc = iter.next();
        this.model.addRow(new Object[] { dc.rowKey, dc.columnKey, dataset.getValue(dc.rowKey, dc.columnKey) });
    }
}

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