/// <summary>
/// 开始拖拽
/// </summary>
/// <param name="start"></param>
/// <param name="item"></param>
/// <param name="kind"></param>
public virtual void BeginDrag(Point start, DiagramItem item, DragThumbKinds kind)
{
//this.start = start;
//DragKind = kind;
//if (kind == DragThumbKinds.Center)
//{
// if (!item.CanMove || !IsMovable(item))
// return;
// if (!view.Selection.Contains(item))
// view.Selection.Set(item);
// DragItems = view.Selection.Where(p => p.CanMove && IsMovable(p)).ToArray();
//}
//else
//{
// DragItems = new DiagramItem[] { item };
//}
//InitialBounds = DragItems.Select(p => p.Bounds).ToArray();
//view..DragAdorner = CreateAdorner();
}
public virtual void BeginDrag(Point start, DiagramItem item, DragThumbKinds kind)
{
Start = start;
DragKind = kind;
if (kind == DragThumbKinds.Center)
{
if (!item.CanMove || !IsMovable(item))
{
return;
}
if (!View.Selection.Contains(item))
{
View.Selection.Set(item);
}
DragItems = View.Selection.Where(p => p.CanMove && IsMovable(p)).ToArray();
}
else
{
DragItems = new DiagramItem[] { item };
}
InitialBounds = DragItems.Select(p => p.Bounds).ToArray();
View.DragAdorner = CreateAdorner();
}
