public void ShouldRemoveContextToViewRemovedFromRegion()
{
var behavior = new BindRegionContextToDependencyObjectBehavior();
var region = new MockPresentationRegion();
var view = new MockDependencyObject();
region.Add(view);
behavior.Region = region;
region.Context = "MyContext";
behavior.Attach();
region.Remove(view);
var context = RegionContext.GetObservableContext(view);
Assert.IsNull(context.Value);
}
public void ShouldSetRegionContextOnAlreadyAddedViews()
{
var behavior = new BindRegionContextToDependencyObjectBehavior();
var region = new MockPresentationRegion();
var view = new MockDependencyObject();
region.Add(view);
behavior.Region = region;
region.Context = "MyContext";
behavior.Attach();
var context = RegionContext.GetObservableContext(view);
Assert.IsNotNull(context.Value);
Assert.AreEqual("MyContext", context.Value);
}
public void ShouldSetRegionContextOnContextChange()
{
var behavior = new BindRegionContextToDependencyObjectBehavior();
var region = new MockPresentationRegion();
var view = new MockDependencyObject();
region.Add(view);
behavior.Region = region;
region.Context = "MyContext";
behavior.Attach();
Assert.AreEqual("MyContext", RegionContext.GetObservableContext(view).Value);
region.Context = "MyNewContext";
region.OnPropertyChange("Context");
Assert.AreEqual("MyNewContext", RegionContext.GetObservableContext(view).Value);
}
public async Task ShouldSetRegionContextOnAddedView()
{
await ExecuteOnUIThread(() =>
{
var behavior = new BindRegionContextToDependencyObjectBehavior();
var region = new MockPresentationRegion();
behavior.Region = region;
region.Context = "MyContext";
var view = new MockDependencyObject();
behavior.Attach();
region.Add(view);
var context = RegionContext.GetObservableContext(view);
Assert.IsNotNull(context.Value);
Assert.AreEqual("MyContext", context.Value);
});
}
public async Task WhenAViewIsRemovedFromARegion_ThenRegionContextIsNotClearedInRegion()
{
await ExecuteOnUIThread(() =>
{
var behavior = new BindRegionContextToDependencyObjectBehavior();
var region = new MockPresentationRegion();
behavior.Region = region;
behavior.Attach();
var myView = new MockFrameworkElement();
region.Add(myView);
region.Context = "new context";
region.Remove(myView);
Assert.IsNotNull(region.Context);
});
}
public void ViewInRegionCanBeObject()
{
var behavior = new BindRegionContextToDependencyObjectBehavior();
var region = new MockPresentationRegion();
behavior.Region = region;
behavior.Attach();
region.Add(new object());
region.Context = "new context";
}
public void WhenParentViewWithoutScopedRegionGetsActivatedOrDeactivated_ThenSyncedChildViewIsNotUpdated()
{
var commonRegionManager = new RegionManager();
var nonScopedRegion = new Region { Name="MyRegion", RegionManager = commonRegionManager };
commonRegionManager.Regions.Add(nonScopedRegion);
var behaviorForScopedRegion = new RegionActiveAwareBehavior { Region = nonScopedRegion };
behaviorForScopedRegion.Attach();
var childActiveAwareView = new SyncedActiveAwareObject();
var region = new MockPresentationRegion { RegionManager = commonRegionManager };
var behavior = new RegionActiveAwareBehavior { Region = region };
behavior.Attach();
var view = new MockFrameworkElement();
region.Add(view);
RegionManager.SetRegionManager(view, commonRegionManager);
region.Activate(view);
nonScopedRegion.Add(childActiveAwareView);
nonScopedRegion.Activate(childActiveAwareView);
Assert.IsTrue(childActiveAwareView.IsActive);
region.Deactivate(view);
Assert.IsTrue(childActiveAwareView.IsActive);
}
public void WhenParentViewGetsActivatedOrDeactivated_ThenSyncedChildViewNotInActiveViewsIsNotUpdated()
{
var scopedRegionManager = new RegionManager();
var scopedRegion = new Region { Name="MyScopedRegion", RegionManager = scopedRegionManager };
scopedRegionManager.Regions.Add(scopedRegion);
var behaviorForScopedRegion = new RegionActiveAwareBehavior { Region = scopedRegion };
behaviorForScopedRegion.Attach();
var childActiveAwareView = new SyncedActiveAwareObject();
var region = new MockPresentationRegion();
var behavior = new RegionActiveAwareBehavior { Region = region };
behavior.Attach();
var view = new MockFrameworkElement();
region.Add(view);
RegionManager.SetRegionManager(view, scopedRegionManager);
region.Activate(view);
scopedRegion.Add(childActiveAwareView);
scopedRegion.Deactivate(childActiveAwareView);
Assert.IsFalse(childActiveAwareView.IsActive);
region.Deactivate(view);
Assert.IsFalse(childActiveAwareView.IsActive);
region.Activate(view);
Assert.IsFalse(childActiveAwareView.IsActive);
}
