Examples with PieChart org.eclipse.linuxtools.dataviewers.piechart.PieChart used on opensource projects

Example 1 with PieChart

use of org.eclipse.linuxtools.dataviewers.piechart.PieChart in project linuxtools by eclipse.

the class PieChartBuilder method createChart.

@Override
protected void createChart() {
    this.chart = new PieChart(this, getStyle());
    ((PieChart) chart).setCustomColors(COLORS);
    chartMouseMoveListener = new PieChartMouseMoveListener((PieChart) chart, chart);
}

Example 2 with PieChart

use of org.eclipse.linuxtools.dataviewers.piechart.PieChart in project linuxtools by eclipse.

the class ChartFactory method producePieChart.

/**
 * Produces a pie chart from the input objects.
 *
 * @param objects
 *            the input data
 * @param nameField
 *            the field used to get the labels of the objects (colored parts in the pie).
 * @param valFields
 *            the field providing the values for the pie parts.
 * @param title Title of the chart.
 * @return a new pie chart
 */
public static Chart producePieChart(Object[] objects, ISTDataViewersField nameField, List<IChartField> valFields, String title) {
    ChartView view;
    try {
        final Color WHITE = PlatformUI.getWorkbench().getDisplay().getSystemColor(SWT.COLOR_WHITE);
        final Color BLACK = PlatformUI.getWorkbench().getDisplay().getSystemColor(SWT.COLOR_BLACK);
        final Color GRAD = PlatformUI.getWorkbench().getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND);
        view = (ChartView) PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().showView(ChartView.VIEW_ID, String.valueOf(ChartView.getSecId()), IWorkbenchPage.VIEW_ACTIVATE);
        PieChart chart = new PieChart(view.getParent(), SWT.NONE);
        chart.setBackground(WHITE);
        chart.setBackgroundInPlotArea(GRAD);
        chart.getTitle().setText(title);
        chart.getTitle().setForeground(BLACK);
        chart.getLegend().setPosition(SWT.RIGHT);
        String[] valueLabels = new String[objects.length];
        for (int i = 0; i < objects.length; i++) {
            valueLabels[i] = nameField.getValue(objects[i]);
        }
        // pie chart data is grouped by columns
        // row size is the number of pie charts
        // column size is the number of data per pie chart
        double[][] doubleValues = new double[objects.length][valFields.size()];
        // data
        for (int i = 0; i < valFields.size(); i++) {
            for (int j = 0; j < objects.length; j++) {
                Number num = valFields.get(i).getNumber(objects[j]);
                double longVal = num.doubleValue();
                doubleValues[j][i] = longVal + 1;
            }
        }
        chart.addPieChartSeries(valueLabels, doubleValues);
        chart.getAxisSet().adjustRange();
        return chart;
    } catch (PartInitException e) {
        Activator.getDefault().getLog().log(e.getStatus());
    }
    return null;
}