/*
 * Browser example snippet: call Java from JavaScript.
 * 
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 * 
 * @since 3.5
 */
import org.eclipse.swt.*;
import org.eclipse.swt.browser.*;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabFolder2Listener;
import org.eclipse.swt.custom.CTabFolderEvent;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

public class Snippet {
	

	protected static boolean allow = false;

	public static void main(String[] args) {
		Display display = new Display();
		Shell shell = new Shell(display);
		shell.setLayout(new FillLayout());
		shell.setBounds(10, 10, 300, 200);
		final Button button = new Button(shell, SWT.CHECK);
		button.setText("dont allow");

		final CTabFolder ct = new CTabFolder(shell, SWT.None);
		CTabItem cTabItem = new CTabItem(ct, SWT.None);
		cTabItem.setText("one");
		CTabItem cTabItem2 = new CTabItem(ct, SWT.None);
		cTabItem2.setText("two");
		button.addSelectionListener(new SelectionAdapter() {

			@Override
			public void widgetSelected(SelectionEvent e) {
				allow =button.getSelection();

			}
		});
		display.addFilter(SWT.MouseDown, new Listener() {
			
			@Override
			public void handleEvent(Event event) {
				if(allow && event.widget == ct)
				{
					event.type = SWT.None;
				}
				
			}
		});
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();
	}

}

if(allow && event.widget == ct)
				{
					event.type = SWT.None;
>>>here
				}