/* ----------------------------------------------------------------- */
///
/// MoveNext
///
/// <summary>
/// Moves selected items according to the specified condition.
/// </summary>
///
/* ----------------------------------------------------------------- */
private static void MoveNext(this MainFacade src, DragDropObject obj)
{
var delta = obj.DropIndex - obj.DragIndex;
var n = src.Value.Images.Selection.Indices
.Where(i => i > obj.DragIndex && i <= obj.DropIndex).Count();
src.Move(delta - n);
}
/* ----------------------------------------------------------------- */
///
/// MovePrevious
///
/// <summary>
/// Moves selected items accoding to the specified condition.
/// </summary>
///
/// <param name="src">Facade object.</param>
/// <param name="obj">Drag&Drop result.</param>
///
/* ----------------------------------------------------------------- */
private static void MovePrevious(this MainFacade src, DragDropObject obj)
{
var delta = obj.DropIndex - obj.DragIndex;
var n = src.Bindable.Images.Selection.Indices
.Where(i => i < obj.DragIndex && i >= obj.DropIndex).Count();
src.Move(delta + n);
}
