public ShellPresentationModel(IRegionManager regionManager)
{
MainRegion = new Region();
GlobalCommandsRegion = new Region();
regionManager.Regions.Add("MainRegion", MainRegion);
regionManager.Regions.Add("GlobalCommandsRegion", GlobalCommandsRegion);
}
/// <summary>
/// Initializes a new instance of the <see cref="ShellViewModel"/> class.
/// </summary>
/// <param name="regionManager">The region manager.</param>
public ShellViewModel(IRegionManager regionManager)
{
MainRegion = new Region();
EditRegion = new SingleActiveRegion();
regionManager.Regions.Add("MainRegion", MainRegion);
regionManager.Regions.Add("EditRegion", EditRegion);
}
public void RemoveInexistentViewThrows()
{
IRegion region = new Region();
object view = new object();
region.Remove(view);
Assert.AreEqual(0, region.Views.Cast<object>().Count());
}
public void CanAddContentToRegion()
{
IRegion region = new Region();
Assert.AreEqual(0, region.Views.Cast<object>().Count());
region.Add(new object());
Assert.AreEqual(1, region.Views.Cast<object>().Count());
}
public void CanRemoveContentFromRegion()
{
IRegion region = new Region();
object view = new object();
region.Add(view);
region.Remove(view);
Assert.AreEqual(0, region.Views.Cast<object>().Count());
}
public void RegionExposesCollectionOfContainedViews()
{
IRegion region = new Region();
object view = new object();
region.Add(view);
var views = region.Views;
Assert.IsNotNull(views);
Assert.AreEqual(1, views.Cast<object>().Count());
Assert.AreSame(view, views.Cast<object>().ElementAt(0));
}
public void ShowViewFiresViewShowedEvent()
{
bool viewActivated = false;
IRegion region = new Region();
object model = new object();
region.ActiveViews.CollectionChanged += (o, e) =>
{
if (e.Action == NotifyCollectionChangedAction.Add && e.NewItems.Contains(model))
viewActivated = true;
};
region.Add(model);
Assert.IsFalse(viewActivated);
region.Activate(model);
Assert.IsTrue(viewActivated);
}
public void ViewRemovedEventPassesTheViewRemovedInTheEventArgs()
{
object removedView = null;
IRegion region = new Region();
region.Views.CollectionChanged += (sender, e) =>
{
if (e.Action == NotifyCollectionChangedAction.Remove)
removedView = e.OldItems[0];
};
object model = new object();
region.Add(model);
Assert.IsNull(removedView);
region.Remove(model);
Assert.AreSame(model, removedView);
}
public void RemoveViewFiresViewRemovedEvent()
{
bool viewRemoved = false;
IRegion region = new Region();
object model = new object();
region.Views.CollectionChanged += (sender, e) =>
{
if (e.Action == NotifyCollectionChangedAction.Remove)
viewRemoved = true;
};
region.Add(model);
Assert.IsFalse(viewRemoved);
region.Remove(model);
Assert.IsTrue(viewRemoved);
}
public void ViewAddedEventPassesTheViewAddedInTheEventArgs()
{
object viewAdded = null;
IRegion region = new Region();
region.Views.CollectionChanged += (sender, e) =>
{
viewAdded = e.NewItems[0];
};
object model = new object();
Assert.IsNull(viewAdded);
region.Add(model);
Assert.IsNotNull(viewAdded);
Assert.AreSame(model, viewAdded);
}
public void GetViewReturnsNullWhenViewDoesNotExistInRegion()
{
IRegion region = new Region();
Assert.IsNull(region.GetView("InexistentView"));
}
public void AddNamedViewWithNullOrEmptyStringNameThrows()
{
IRegion region = new Region();
region.Add(new object(), string.Empty);
}
public void DeactivateNonAddedViewThrows()
{
IRegion region = new Region();
object nonAddedView = new object();
region.Deactivate(nonAddedView);
}
public void AddingNonDependencyObjectToRegionDoesNotThrow()
{
IRegion region = new Region();
object model = new object();
region.Add(model);
Assert.AreEqual(1, region.Views.Cast<object>().Count());
}
public void AddViewReturnsNewRegionManager()
{
var regionManager = new MockRegionManager();
IRegion region = new Region();
region.RegionManager = regionManager;
var myView = new object();
var returnedRegionManager = region.Add(myView, "MyView", true);
Assert.AreNotSame(regionManager, returnedRegionManager);
}
public void CreatingNewScopesAsksTheRegionManagerForNewInstance()
{
var regionManager = new MockRegionManager();
IRegion region = new Region();
region.RegionManager = regionManager;
var myView = new object();
region.Add(myView, "MyView", true);
Assert.IsTrue(regionManager.CreateRegionManagerCalled);
}
public void AddViewPassesDiferentScopeWhenAdding()
{
var regionManager = new MockRegionManager();
IRegion region = new Region();
region.RegionManager = regionManager;
var myView = new DependencyObject();
region.Add(myView, "MyView", true);
Assert.AreNotSame(regionManager, myView.GetValue(RegionManager.RegionManagerProperty));
}
public void AddViewPassesSameScopeByDefaultToNamedView()
{
var regionManager = new MockRegionManager();
IRegion region = new Region();
region.RegionManager = regionManager;
var myView = new DependencyObject();
region.Add(myView, "MyView");
Assert.AreSame(regionManager, myView.GetValue(RegionManager.RegionManagerProperty));
}
public void GetViewReturnsNullAfterRemovingViewFromRegion()
{
IRegion region = new Region();
object myView = new object();
region.Add(myView, "MyView");
region.Remove(myView);
Assert.IsNull(region.GetView("MyView"));
}
public void AddingSameViewTwiceThrows()
{
object view = new object();
IRegion region = new Region();
region.Add(view);
try
{
region.Add(view);
Assert.Fail();
}
catch (InvalidOperationException ex)
{
Assert.AreEqual("View already exists in region.", ex.Message);
}
catch
{
Assert.Fail();
}
}
public void RemovingViewAlsoRemovesItFromActiveViews()
{
IRegion region = new Region();
object model = new object();
region.Add(model);
region.Activate(model);
Assert.IsTrue(region.ActiveViews.Contains(model));
region.Remove(model);
Assert.IsFalse(region.ActiveViews.Contains(model));
}
public void AddingDuplicateNamedViewThrows()
{
IRegion region = new Region();
region.Add(new object(), "MyView");
region.Add(new object(), "MyView");
}
public void ActivateNullViewThrows()
{
IRegion region = new Region();
region.Activate(null);
}
public void GetViewWithNullOrEmptyStringThrows()
{
IRegion region = new Region();
region.GetView(string.Empty);
}
public void CanAddAndRetrieveNamedViewInstance()
{
IRegion region = new Region();
object myView = new object();
region.Add(myView, "MyView");
object returnedView = region.GetView("MyView");
Assert.IsNotNull(returnedView);
Assert.AreSame(returnedView, myView);
}
public void AddViewPassesSameScopeByDefaultToView()
{
var regionManager = new MockRegionManager();
IRegion region = new Region();
region.RegionManager = regionManager;
var myView = new ContentControl();
region.Add(myView);
Assert.AreSame(regionManager, myView.GetValue(RegionManager.RegionManagerProperty));
}
public void AddViewRaisesCollectionViewEvent()
{
bool viewAddedCalled = false;
IRegion region = new Region();
region.Views.CollectionChanged += (sender, e) =>
{
if (e.Action == NotifyCollectionChangedAction.Add)
viewAddedCalled = true;
};
object model = new object();
Assert.IsFalse(viewAddedCalled);
region.Add(model);
Assert.IsTrue(viewAddedCalled);
}
public void AddNamedViewIsAlsoListedInViewsCollection()
{
IRegion region = new Region();
object myView = new object();
region.Add(myView, "MyView");
Assert.AreEqual(1, region.Views.Cast<object>().Count());
Assert.AreSame(myView, region.Views.Cast<object>().ElementAt(0));
}
