public void ShowScreen_ActiveItemSetToScreen()
{
var fakeScreen = new FakeViewModel();
var screenHost = new ScreenHost();
screenHost.ShowScreen(fakeScreen);
Assert.Equal(fakeScreen, screenHost.ActiveItem);
}
private void OnHostClosed(ScreenHost host)
{
host.Closed -= OnHostClosed;
_screens.Remove(host.Key);
if (!host.Persist(_persistenceService, out var e))
{
OnException($"Unable to restore screen: {host.Key}", e);
}
host.Dispose();
}
public void IUserInputBeforeClosedRequestScreenOpen_InteractivelyCloseAllScreens_ActiveItemStillIUserInputBeforeClosedRequestScreen()
{
var currentlyOpenFakeScreen = new FakeViewModel();
var screenHost = new ScreenHost();
screenHost.ShowScreen(currentlyOpenFakeScreen);
screenHost.InteractivelyCloseAllScreens(() => { });
Assert.Equal(currentlyOpenFakeScreen, screenHost.ActiveItem);
}
private void OnHostClosed(ScreenHost host)
{
host.Closed -= OnHostClosed;
_screens.Remove(host.Key);
Exception e;
if (!host.Persist(_persistenceService, out e))
{
OnException(string.Format("Unable to restore screen: {0}", host.Key), e);
}
host.Dispose();
}
public void IUserInputBeforeClosedRequestScreenOpen_ShowScreen_ActiveItemStillIUserInputBeforeClosedRequestScreen()
{
var currentlyOpenFakeScreen = new FakeViewModel();
var fakeScreenToOpen = new FakeViewModel();
var screenHost = new ScreenHost();
screenHost.ShowScreen(currentlyOpenFakeScreen);
screenHost.ShowScreen(fakeScreenToOpen);
Assert.Equal(currentlyOpenFakeScreen, screenHost.ActiveItem);
}
public void IUserInputBeforeClosedRequestScreenOpen_InteractivelyCloseAllScreens_ContinuationSetsActiveItemToNull()
{
var currentlyOpenFakeScreen = new FakeViewModel();
var screenHost = new ScreenHost();
Action continuation = () => { };
currentlyOpenFakeScreen.ContinueIfCanCloseAction += c => continuation = c;
screenHost.ShowScreen(currentlyOpenFakeScreen);
screenHost.InteractivelyCloseAllScreens(() => { });
continuation();
Assert.Null(screenHost.ActiveItem);
}
public void IUserInputBeforeClosedRequestScreenOpen_InteractivelyCloseAllScreens_ContinuationCallsContination()
{
var currentlyOpenFakeScreen = new FakeViewModel();
var screenHost = new ScreenHost();
var continationRun = false;
Action continuation = () => { };
currentlyOpenFakeScreen.ContinueIfCanCloseAction += c => continuation = c;
screenHost.ShowScreen(currentlyOpenFakeScreen);
screenHost.InteractivelyCloseAllScreens(() => continationRun = true);
continuation();
Assert.True(continationRun);
}
public void IUserInputBeforeClosedRequestScreenOpen_ShowScreenAndRunContinuation_ActiveItemSetToScreen()
{
var currentlyOpenFakeScreen = new FakeViewModel();
var fakeScreenToOpen = new FakeViewModel();
Action continuation = () => { };
currentlyOpenFakeScreen.ContinueIfCanCloseAction += c => continuation = c;
var screenHost = new ScreenHost();
screenHost.ShowScreen(currentlyOpenFakeScreen);
screenHost.ShowScreen(fakeScreenToOpen);
continuation();
Assert.Equal(fakeScreenToOpen, screenHost.ActiveItem);
}
private void Show(Type idType, string instanceId, object parameter, bool isPopup)
{
var key = new NamedType(idType, instanceId);
ScreenHost host;
if (_screens.TryGetValue(key, out host))
{
host.BringToFront(isPopup);
return;
}
ScreenFactory factory;
if (!_factories.TryGetValue(key.Type, out factory))
{
return;
}
IScreen logic;
TBaseView view;
Exception e;
if (!factory.TryCreate(instanceId, parameter, out logic, out view, out e))
{
OnException(string.Format("Unable to create screen: {0}", key), e);
return;
}
host = new ScreenHost(key, view, logic, CreateScreen, CreatePopup, factory.PopupAttribute);
_screens.Add(key, host);
host.Closed += OnHostClosed;
var setupable = logic as IInternalScreen;
if (setupable != null)
{
setupable.Setup(host.Close);
}
if (!host.Restore(_persistenceService, out e))
{
OnException(string.Format("Unable to restore screen: {0}", key), e);
}
host.Show(isPopup);
}
private ScreenHost CreateScreenHost(Type idType, string instanceId, Func <IInternalScreen, object> getParameter, bool isPopup, PopupAttribute popupAttribute = null)
{
var key = new NamedType(idType, instanceId);
if (_screens.TryGetValue(key, out var host))
{
host.BringToFront(isPopup);
return(null);
}
if (!_factories.TryGetValue(key.Type, out var factory))
{
return(null);
}
if (!factory.TryCreate(instanceId, getParameter, out var logic, out var view, out var e))
{
OnException($"Unable to create screen: {key}", e);
return(null);
}
popupAttribute = popupAttribute ?? factory.PopupAttribute;
host = new ScreenHost(key, view, logic, CreateScreen, ShowScreen, CreatePopup, ShowPopup, popupAttribute);
_screens.Add(key, host);
host.Closed += OnHostClosed;
if (logic is IInternalScreen internalScreen)
{
internalScreen.Setup(host.Close);
}
if (!host.Restore(_persistenceService, out e))
{
OnException($"Unable to restore screen: {key}", e);
}
return(host);
}
