public void StopAll()
{
for (int i = 0; i < gridMain.Children.Count; i++)
{
VideoPanelItem item = gridMain.Children[i] as VideoPanelItem;
item?.PlayVideo(null);
}
}
public void Drop(DropInfo info)
{
_mouseOn = false;
_accepted = false;
ResetAdorner();
if (_videoMode != null)
{
_videoMode.Opacity = 1;
_videoMode = null;
}
string videoId = info.Data as string;
if (videoId == null)
{
videoId = info.GetDataFromJson <string>();
}
if (videoId != null)
{
VideoPanelItem vpi = info.Target as VideoPanelItem;
if (vpi != null)
{
VideoPanelItem srcVpi = info.Source as VideoPanelItem;
if (srcVpi != null && !srcVpi.Equals(vpi) &&
!info.KeyStates.HasFlag(DragDropKeyStates.ControlKey))
{
//没有交换则直接设置ID。
if (!Exchange(srcVpi, vpi))
{
vpi.PlayVideo(videoId);
info.Effects = DragDropEffects.Copy;
}
else
{
info.Effects = DragDropEffects.Move;
}
}
else
{
vpi.PlayVideo(videoId);
info.Effects = DragDropEffects.Move;
}
}
}
}
private void destoryVideoPanel(VideoPanelItem vpi)
{
vpi.PreviewMouseDown -= Panel_PreviewMouseDown;
vpi.ViewModel.SplitScreenNode = null;
vpi.PlayVideo(null);
}