@Override
public void dispose() {
try {
// clear our componenents
// ... freeze charts
if (chart != null) chart.setNotify(false);
// ... empty data
if (dataset != null) dataset.clear();
// ... dispose chart composites
if (chartComposites != null && !chartComposites.isDisposed()) chartComposites.dispose();
if (form != null) form.dispose();
if (toolkit != null) toolkit.dispose();
} catch (RuntimeException e) {
e.printStackTrace();
}
super.dispose();
}
@Override
public void createPartControl(Composite parent) {
super.createPartControl(parent);
messages.traceTech("init the form...", getClass());
toolkit = new FormToolkit(parent.getDisplay());
parent.setLayout(new FillLayout());
form = toolkit.createScrolledForm(parent);
RowLayout layout = new RowLayout(SWT.VERTICAL);
layout.center = false;
layout.fill = false;
layout.pack = true;
layout.justify = false;
form.getBody().setLayout(layout);
form.getBody()
.addControlListener(
new ControlListener() {
@Override
public void controlResized(ControlEvent e) {
manageResized();
}
@Override
public void controlMoved(ControlEvent e) {}
});
labelIteration = toolkit.createLabel(form.getBody(), "not data displayed yet");
// TODO separator toolkit.createSeparator(form.getBody(), );
compositeCharts = toolkit.createComposite(form.getBody());
compositeCharts.setLayoutData(new RowData());
compositeCharts.setLayout(new GridLayout(1, false));
// create the chart
// create dataset
dataset = new DefaultCategoryDataset();
// create plot
plot = new EnhancedSpiderWebPlot(dataset);
plot.setMaxValue(1.0);
plot.setWebFilled(true);
plot.setInteriorGap(0.2D);
plot.setBackgroundPaint(Color.WHITE);
// create chart
chart = new JFreeChart("1th Pareto front", TextTitle.DEFAULT_FONT, plot, false);
LegendTitle legendtitle = new LegendTitle(plot);
legendtitle.setPosition(RectangleEdge.BOTTOM);
chart.addSubtitle(legendtitle);
chart.getPlot().setBackgroundPaint(Color.white);
chart.setBackgroundPaint(Color.WHITE);
// create host composite
chartComposites =
new ChartComposite(
compositeCharts, SWT.NONE, chart, true // use a buffer
);
chartComposites.setSize(preferedWidth, preferedHeight);
chartComposites.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
chartComposites.setBackground(compositeCharts.getBackground());
// update display
form.getBody().layout(true);
form.reflow(true);
}