Component Event

There is one event that was fired when one component appears in screen?

For example, I have one tabsheet  with 4 panel inside(each one are one tab) so when I change my tab I need to focus one text in that panel, I don`t wanna put the event in tabasheet, I wanna to listen in my panel`s

tks

Don't think there is a event for that because this could slow a lot a vaadin application.

but you have the event in  the method selectedTabChange in tabsheet
you can trigger your event from that.

maybe use an interface that you implement on your panels

public interface PanelActivate{
    public void activate();
}

and then create a SelectedTabChangeListener  to add to your tabsheet

public void selectedTabChange(SelectedTabChangeEvent event) {         
     TabSheet source = (TabSheet) event.getSource();
     PanelActivate panel = (PanelActivate) source.getSelectedTab();
     panel.activate();
}