public ScreenBaseViewModel(LibraryScreens screenType, ProtoBridge bridge,
StaffAccountBLL currUser)
{
ScreenType = screenType;
_Bridge = bridge;
_CurrentUser = currUser;
if (_CurrentUser != null)
IsLoggedIn = true;
else
IsLoggedIn = false;
}
public TransitionPath(LibraryScreens from, LibraryScreens to)
{
From = from;
To = to;
}
//Since events defined in a base class can't be fired from a derived class,
//this protected method is used to indirectly fire ScreenTransition
protected void FireScreenTransitionEvent(LibraryScreens to)
{
if (ScreenTransition != null)
ScreenTransition(new TransitionPath(ScreenType, to), _CurrentUser);
}
