Combo options = new Combo(group, SWT.SINGLE | SWT.BORDER | SWT.READ_ONLY);
options.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
for (HadoopVersion ver : HadoopVersion.values()) {
options.add(ver.getDisplayName());
}
options.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event e) {
try {
if (!hadoopVersionText.equalsIgnoreCase(hadoopVersion.getText())) {
homeReader = AbstractHadoopHomeReader.createReader(hadoopVersion.getText());
hadoopVersionText = hadoopVersion.getText();