init

Common/DTS.CommonCore/RegionManager/RegionAdapters/ViewerStackPanelRegionAdapter.cs

@@ -0,0 +1,54 @@
+using System.Collections.Specialized;
+using System.Windows;
+using System.Windows.Controls;
+using Microsoft.Practices.Prism.Regions;
+
+namespace DTS.Common
+{
+    public class ViewerStackPanelRegionAdapter : RegionAdapterBase<StackPanel>
+    {
+
+        public ViewerStackPanelRegionAdapter(IRegionBehaviorFactory regionBehaviorFactory)
+            : base(regionBehaviorFactory)
+        {
+        }
+
+        protected override void Adapt(IRegion region, StackPanel regionTarget)
+        {
+            if (region == null) return;
+
+            region.Views.CollectionChanged += (sender, e) =>
+            {
+                switch (e.Action)
+                {
+                    case NotifyCollectionChangedAction.Add:
+
+                        foreach (UIElement element in e.NewItems)
+                        {
+                            regionTarget.Children.Add(element);
+                        }
+                        break;
+
+                    case NotifyCollectionChangedAction.Remove:
+
+                        foreach (UIElement elementLoopVariable in e.OldItems)
+                        {
+                            var element = elementLoopVariable;
+
+                            if (regionTarget.Children.Contains(element))
+                            {
+                                regionTarget.Children.Remove(element);
+                            }
+                        }
+                        break;
+                }
+            };
+        }
+
+        protected override IRegion CreateRegion()
+        {
+            return new AllActiveRegion();
+        }
+    }
+
+}