private Component createChartSelectorButtonPane() {
final ChartType[] types = ChartType.values();
final ButtonGroup buttonGroup = new ButtonGroup();
final JPanel buttonCarrier = new JPanel();
buttonCarrier.setLayout(new FlowLayout(FlowLayout.LEFT, 5, 5));
for (int i = 0; i < types.length; i++) {
final ChartType type = types[i];
final SelectChartExpressionAction action =
new SelectChartExpressionAction(type.getExpressionType());
editModel.getChartExpressionsModel().addListDataListener(action);
final ActionToggleButton button = new ActionToggleButton();
button.putClientProperty("hideActionText", Boolean.TRUE); // NON-NLS
button.setAction(action);
button.setBorder(new EmptyBorder(0, 0, 0, 0));
buttonGroup.add(button);
buttonCarrier.add(button);
}
final JPanel panel = new JPanel();
panel.setLayout(new BorderLayout());
panel.add(buttonCarrier, BorderLayout.NORTH);
return panel;
}
