+
+ void show(AltosState state, AltosListenerState listener_state) {
+ if (!same_call(state.callsign)) {
+ show();
+ value.setText(state.callsign);
+ if (state.callsign == null)
+ setVisible(false);
+ else
+ setVisible(true);
+ last_call = state.callsign;
+ }
+ }
+
+ public void reset() {
+ super.reset();
+ last_call = "";
+ }
+