final CheckBox cb = new CheckBox();
cb.setValue( editingCol.isInsertLogical() );
cb.setText( "" );
cb.setEnabled( !isReadOnly );
if ( !isReadOnly ) {
cb.addClickHandler( new ClickHandler() {
public void onClick( ClickEvent arg0 ) {
if ( oracle.isGlobalVariable( editingCol.getBoundName() ) ) {
cb.setEnabled( false );
editingCol.setInsertLogical( false );
} else {