// Creating the button(s)
addButton = toolkit.createButton( client, "Add...", SWT.PUSH ); //$NON-NLS-1$
addButton.setLayoutData( new GridData( SWT.FILL, SWT.BEGINNING, false, false ) );
deleteButton = toolkit.createButton( client, "Delete", SWT.PUSH );
deleteButton.setEnabled( false );
deleteButton.setLayoutData( new GridData( SWT.FILL, SWT.BEGINNING, false, false ) );
upButton = toolkit.createButton( client, "Up", SWT.PUSH );
upButton.setEnabled( false );