static void refreshGrid() {
if (styleGrid != null) {
styleGrid.dispose();
shell.pack();
}
styleGrid = new Group(shell, SWT.NONE);
styleGrid.setText(xAxis.getName() + " vs. " + yAxis.getName());
styleGrid.setLayout(new GridLayout(xAxis.getCount() + 1, false));
styleGrid.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, true, true, 1, 1));
// put blank label in top left corner
Label label = new Label(styleGrid, SWT.NONE);
// add x-axis labels
for (int x = 0; x < xAxis.getCount(); x++) {
label = new Label(styleGrid, SWT.NONE);
label.setText(xAxis.getName() + " =\n" + xAxis.getAt(x).getName());
}
// iterate over the y-axis style settings
for (int y = 1; y < yAxis.getCount() + 1; y++) {
// add y-axis label for this row
label = new Label(styleGrid, SWT.NONE);
label.setText(yAxis.getName() + " =\n" + yAxis.getAt(y - 1).getName());
// iterate over the x-axis style settings
for (int x = 1; x < xAxis.getCount() + 1; x++) {
// create a sample shape instance
Shape shape;
if (sampleShape == Polyline.class) {
Polyline poly = new Polyline();
poly.addPoint(new Point(20, 20));
poly.addPoint(new Point(50, 80));
poly.addPoint(new Point(10, 50));
shape = poly;
} else {
try {
shape = (Shape) sampleShape.getConstructor(null).newInstance(null);
} catch (Exception e) {
throw new RuntimeException(
"Could not find a no args constructor for " + sampleShape.getName());
}
shape.setBounds(new Rectangle(0, 0, 100, 75));
}
// apply default style
shape.setBackgroundColor(ColorConstants.orange());
shape.setLineWidthFloat(defaultLineWidth);
shape.setAntialias(SWT.ON);
// apply styles imposed by each axis
xAxis.applyTo(shape, x - 1);
yAxis.applyTo(shape, y - 1);
FigureCanvas figureBox = new FigureCanvas(styleGrid);
figureBox.setContents(shape);
}
}
shell.pack();
}
public void applyTo(Shape shape, int i) {
shape.setAntialias((int) elements[i].getValue());
}