public void Register(ScreenKeyType screenType, Type registeredScreenFactoryType)
{
if (!HasFactory(screenType))
{
this.ScreenFactoryCollection.Add(screenType, registeredScreenFactoryType);
}
}
public IScreenFactory Get(ScreenKeyType screenType)
{
IScreenFactory screenFactory = null;
if (this.HasFactory(screenType))
{
Type registeredScreenFactory = ScreenFactoryCollection[screenType];
screenFactory = (IScreenFactory)Container.Resolve(registeredScreenFactory);
}
return(screenFactory);
}
public ScreenConductor(IUnityContainer container,
IScreenFactoryRegistry screenFactoryRegistry,
IEventAggregator eventAggregator,
IRegionManager regionManager,
IVisibilityService visibilityService)
{
this.activeScreenKey = ScreenKeyType.None;
this.Container = container;
this.ScreenFactoryRegistry = screenFactoryRegistry;
this.EventAggregator = eventAggregator;
this.RegionManager = regionManager;
this.VisibilityService = visibilityService;
this.ScreenCollection = new Dictionary <ScreenKeyType, IScreen>();
mainRegion = this.RegionManager.Regions[RegionConstants.REGION_MAIN_AREA];
SubscribeToEvents();
}
private void ShowScreen(ScreenKeyType screenKey, string regionName)
{
if (!this.ScreenCollection.ContainsKey(screenKey))
{
return;
}
IScreen screen = this.ScreenCollection[screenKey];
if (regionName != null && regionName != RegionConstants.REGION_MAIN_AREA)
{
targetRegion = this.RegionManager.Regions[regionName];
targetRegion.Add(screen.View);
targetRegion.Activate(screen.View);
}
else
{
this.activeScreenKey = screenKey;
mainRegion.Add(screen.View);
mainRegion.Activate(screen.View);
}
this.VisibilityService.EnterViewAnimation(screen.View);
}
private IScreen EnsureScreenExists(ScreenKeyType screenKey, object screenSubject, string regionName)
{
IScreen screen = null;
// use the screen type to see if the screen exists in the collection
if (ScreenCollection.ContainsKey(screenKey))
{
screen = ScreenCollection[screenKey];
}
else // if it does not, then use the screen type to get the factory that is made for creating that type of screen and make it, add to collection
{
if (this.ScreenFactoryRegistry.HasFactory(screenKey))
{
screen = this.ScreenFactoryRegistry.Get(screenKey).CreateScreen(screenSubject);
ScreenCollection.Add(screenKey, screen);
}
else
{
throw new ArgumentOutOfRangeException("Screen Key not found");
}
}
return(screen);
}
public bool HasFactory(ScreenKeyType screenType)
{
return(this.ScreenFactoryCollection.ContainsKey(screenType));
}