public void OpenScreen(IScreenSubject subject)
{
if (subject.Matches(_screens.Active))
{
return;
}
var screen = findScreenMatchingSubject(subject);
if (screen == null)
{
screen = createNewActiveScreen(subject);
}
else
{
activate(screen);
}
_screens.Show(screen);
}
public virtual void OpenScreen(IScreenLocator locator)
{
// What if that screen is already open and active?
if (locator.Matches(_screens.Active))
{
return;
}
// Is the requested screen one of the inactive tabs?
IScreen screen = findScreenMatchingSubject(locator);
if (screen == null)
{
screen = createNewActiveScreen(locator);
}
else
{
activate(screen);
}
_screens.Show(screen);
}
