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 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);
        }
        public void WhenAViewIsRemovedFromARegion_ThenRegionContextIsNotClearedInRegion()
        {
            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);
        }