/** This should be executed in the ActionListener, but it can't. */
private void update() {
int value = getInt();
if (0 <= value && value <= 100) {
setText(getText());
observer.update(this, value);
}
}
public void notifyObservers_for_selected_shape(int value) {
for (Observer obs : observers) {
obs.updateSelectShape(value);
}
}
private void notifyObservers() {
for (Observer obs : observers) {
obs.update(cpt);
}
}