WPF Form Designer Prototype (MVVM)

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using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Markup;
using FluidKit.Helpers.DragDrop;
using WPFFormDesigner.WPFControlUtils;
using WPFFormDesigner.XamlSerializer;

namespace WPFFormDesigner.WPFControlUtils.DragDrop
{
	public class DefaultDragSourceAdvisor : IDragSourceAdvisor
	{
		private static DataFormat SupportedFormat = DataFormats.GetDataFormat("FluidKit");
        private XAMLSerializer _XamlSerializer = new XAMLSerializer();

	    public DefaultDragSourceAdvisor()
	    {
            EditorHelper.Register<BindingExpression, BindingConvertor>();
	    }
		#region IDragSourceAdvisor Members

		public DragDropEffects SupportedEffects
		{
			get { return DragDropEffects.Copy | DragDropEffects.Move; }
		}

		public UIElement SourceUI { get; set; }

		public DataObject GetDataObject(UIElement draggedElt)
		{
			//string serializedObject1 = XamlWriter.Save(draggedElt);
            if (draggedElt is ListView)
            {
                draggedElt = UIHelper.FindParent<StackPanel>(draggedElt, true);
            }

            //Handle Custom controls as button. Convert from button to real control
		    Button btn = draggedElt as Button;
            if (btn != null)
            {
                switch (btn.Tag as string)
                {
                    case "ObservableCollectionListView":
                        draggedElt = new ObservableCollectionListView();
                        break;
                }
            }

		    string serializedObject = _XamlSerializer.SerializeControlToXaml(draggedElt as FrameworkElement);
			DataObject data = new DataObject(SupportedFormat.Name, serializedObject);

			return data;
		}

		public void FinishDrag(UIElement draggedElt, DragDropEffects finalEffects)
		{
            //if ((finalEffects & DragDropEffects.Move) == DragDropEffects.Move)
            //{
            //    Panel panel = SourceUI as Panel;
            //    if (panel != null)
            //    {
            //        panel.Children.Remove(draggedElt);
            //    }
            //}
		}

		public bool IsDraggable(UIElement dragElt)
		{
			return (dragElt is Button ||
                    dragElt is TextBox||
                    dragElt is TextBlock ||
                    dragElt is Label ||
                    dragElt is ComboBox ||
                    dragElt is CheckBox ||
                    dragElt is DatePicker ||
                    dragElt is Expander ||
                    dragElt is RadioButton ||
                    dragElt is ObservableCollectionListView);
		}

		public UIElement GetTopContainer()
		{
			return Application.Current.MainWindow.Content as UIElement;
		}

		#endregion
	}
}