}
box.setSelectedIndex( 0 );
final FormStylePopup popup = new FormStylePopup();
popup.setTitle( GuidedRuleEditorResources.CONSTANTS.NewFactPattern() );
popup.addAttribute( GuidedRuleEditorResources.CONSTANTS.chooseFactType(),
box );
box.addChangeHandler( new ChangeHandler() {
public void onChange( ChangeEvent event ) {
getFromCollectPattern().setRightPattern( new FactPattern( box.getItemText( box.getSelectedIndex() ) ) );