--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Chronosv2/source/DragAndDrop/TreeviewDragDropDataProvider.cs	Tue Feb 21 17:25:44 2012 +0700
@@ -0,0 +1,113 @@
+using System;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
+using System.Windows.Input;
+using System.Xml;
+using Chronos.Extensions.Windows;
+
+namespace Chronos.Presentation.DragAndDrop
+{
+    public sealed class TreeViewDragDropDataProvider : IDataDropObjectProvider
+    {
+        #region · Fields ·
+
+        private TreeView treeview;
+
+        #endregion
+
+        #region · Properties ·
+
+        public DragDropProviderActions SupportedActions
+        {
+            get
+            {
+                return DragDropProviderActions.Data |
+                       DragDropProviderActions.MultiFormatData;
+            }
+        }
+
+        #endregion
+
+        #region · Constructors ·
+
+        public TreeViewDragDropDataProvider(TreeView treeview)
+        {
+            this.treeview = treeview;
+        }
+
+        #endregion
+
+        #region · IDataDropObjectProvider Members ·
+
+        public void AppendData(ref IDataObject data, MouseEventArgs e)
+        {
+            if (!(this.treeview.InputHitTest(e.GetPosition(e.OriginalSource as UIElement)) is TreeView) 
+                && !(this.treeview.InputHitTest(e.GetPosition(e.OriginalSource as UIElement)) is ScrollViewer)
+                && !(e.OriginalSource is Thumb))
+            {
+                TreeViewItem selectedUIelement = this.GetVisual(e).GetParent<TreeViewItem>();
+
+                if (selectedUIelement != null && selectedUIelement.Items.Count == 0)
+                {
+                    object selectedItem = this.treeview.SelectedItem;
+
+                    if (selectedItem != null)
+                    {
+                        if (selectedItem.GetType() == typeof(XmlElement))
+                        {
+                            data.SetData(DataFormats.Text, ((XmlElement)selectedItem).OuterXml);
+                        }
+                        else
+                        {
+                            data.SetData(DataFormats.Text, selectedItem.ToString());
+                        }
+
+                        data.SetData(selectedItem.GetType().ToString(), selectedItem);
+                    }
+                    else
+                    {
+                        data = null;
+                    }
+                }
+                else
+                {
+                    data = null;
+                }
+            }
+            else
+            {
+                data = null;
+            }
+        }
+
+        public object GetData()
+        {
+            return this.treeview.SelectedItem;
+        }
+
+        public UIElement GetVisual(MouseEventArgs e)
+        {
+            // return this.treeview.ItemContainerGenerator.ContainerFromItem(this.treeview.SelectedItem) as UIElement;
+            return e.OriginalSource as UIElement;
+        }
+
+        public void GiveFeedback(System.Windows.GiveFeedbackEventArgs args)
+        {
+            throw new NotImplementedException("Forgot to check the Supported actions??");
+        }
+
+        public void ContinueDrag(System.Windows.QueryContinueDragEventArgs args)
+        {
+            throw new NotImplementedException("Forgot to check the Supported actions??");
+        }
+
+        public bool UnParent()
+        {
+            // We are passing data, nothing to unparent 
+            throw new NotImplementedException("We are passing data, nothing to unparent... what up ");
+        }
+
+        #endregion
+    }
+}