private void OnDrop(object sender, DragDrop.DragEventArgs e)
{
#if SILVERLIGHT
var swimlane = e.Data as SwimlaneShapeBase;
#else
var swimlane = (e.Data as DataObject).GetData(typeof(SwimlaneShapeBase)) as SwimlaneShapeBase;
#endif
if (swimlane != null)
{
var transformedPoint = this.GetTransformedPoint(e.GetPosition(this));
var newPosition = transformedPoint.Substract(swimlane.DragStartOffset);
var oldPosition = swimlane.Position;
var mainParent = swimlane.ParentContainer as MainContainerShapeBase;
if (mainParent != null)
{
var command = new UndoableDelegateCommand("Remove container from main",
new Action<object>((o) =>
{
swimlane.Position = newPosition;
mainParent.Items.Remove(swimlane);
mainParent.UpdateChildContainers();
}),
new Action<object>((o) =>
{
swimlane.Position = oldPosition;
mainParent.Items.Add(swimlane);
mainParent.UpdateChildContainers();
}));
this.UndoRedoService.ExecuteCommand(command);
}
else
{
var command = new UndoableDelegateCommand("Remove container from main",
new Action<object>((o) =>
{
swimlane.Position = newPosition;
}),
new Action<object>((o) =>
{
swimlane.Position = oldPosition;
}));
this.UndoRedoService.ExecuteCommand(command);
}
}
}
protected override void OnManagerDrop(object sender, DragDrop.DragEventArgs e)
{
this.swimlaneDiagram.HideDragOverVisual();
SwimlaneShapeBase swimlane = this.GetSwimlane(e);
if (swimlane != null && this != swimlane)
{
if (this.ParentMainContainer == null) return;
var transformedPoint = (this.Diagram as RadDiagram).GetTransformedPoint(e.GetPosition(this.Diagram as UIElement));
this.ParentMainContainer.MoveTo(swimlane, this.ContainerPosition);
if (swimlane.IsPointOverHeaderElement(transformedPoint))
swimlane.keepBackground = true;
e.Handled = true;
}
else if (this.GetMainContainer(e) == null)
{
base.OnManagerDrop(sender, e);
}
}