public void OnPreviewMouseMove(object sender, MouseEventArgs e)
{
if (_TopWindow == null)
return;
if (!_bMouseCaptured && e.LeftButton == MouseButtonState.Pressed)
{
_bDragging = true;
if (_bDragCreate) // 블록 생성
{
_MoveBlock = (sender as AbstractBlock).CreateUserInstance();
_MoveBlock.DataContext = (sender as AbstractBlock).CreateUserInstance();
}
else // 블록 이동
{
_MoveBlock = sender as AbstractBlock;
if (_MoveBlock == null)
{
System.Diagnostics.Debug.WriteLine("drag control is null");
System.Diagnostics.Debug.Assert(_MoveBlock != null);
return;
}
// 부모 컨트롤 지우고 _DragCanvas 영역에서 드래깅 하기 위해 부모 컨트롤을 옮겨주자
_MoveBlock.RemoveParent();
}
//_MoveBlock.Width = (_DraggedData as Control).Width;
//_MoveBlock.Height = (_DraggedData as Control).Height;
//_DragControlBowl.canvas.Width = (_DraggedData as Control).Width;
//_DragControlBowl.canvas.Height = (_DraggedData as Control).Height;
_DragCanvas.Visibility = Visibility.Visible;
_DragCanvas.Children.Add(_MoveBlock); // IntoDragCanvas(_MoveBlock);
_bMouseCaptured = Mouse.Capture(_MoveBlock);
Canvas.SetLeft(_MoveBlock, _DownPointInTopWindow.X - _DownPointGapOfBlock.X);
Canvas.SetTop(_MoveBlock, _DownPointInTopWindow.Y - _DownPointGapOfBlock.Y);
_DragCanvas.PreviewMouseMove += new MouseEventHandler(_BlockBoard_OnMouseMove);
_DragCanvas.PreviewMouseUp += new MouseButtonEventHandler(_BlockBoard_OnMouseUp);
}
}