minus.setText(" - ");
//minus.setFont(new Font(plus.getDisplay(),"arial", 12, java.awt.Font.BOLD));
data = new GridData ();
data.horizontalAlignment = GridData.BEGINNING;
minus.setLayoutData(data);
minus.addMouseListener(new MouseListener(){
public void mouseDoubleClick(MouseEvent e) {;}
public void mouseDown(MouseEvent e) {
handleMinus();
}
public void mouseUp(MouseEvent e) {;}