private void ThumbDragDelta(object sender, DragDeltaEventArgs e)
{
DragTabItem container = null;
Thumb tb = e.OriginalSource as Thumb;
if (tb != null)
{
container = tb.TryFindParent <DragTabItem>();
}
var itemscontrol = this;
if (!Items.Contains(container.Content))
{
return;
}
this.RaiseDragDeltaEvent(e);
EffectWindow.MoveLocation(e.HorizontalChange, e.VerticalChange);
//if (itemscontrol.Items.Contains(container.Content))
//{
//if (container.ActualHeight <= e.VerticalChange || -e.VerticalChange >= container.ActualHeight)
//{
//DragChache.DragingSource = container.Content;
//return;
//}
//var pos = Mouse.GetPosition(this).ToWpf();
//鼠标没有在DragImtesControls范围内
//if (!PosInMeasureSize(pos)) return;
//if (container.ActualWidth / 2 < e.HorizontalChange)
//{
// var items =
// itemscontrol.TryFindParent<DragTabControl>().Items;
// var len = items.Count;
// var index = items.IndexOf(container.Content);
// if (len == index + 1)
// {
// return;
// }
// var tabitem = container.Content;
// items.Remove(tabitem);
// items.Insert(index + 1, tabitem);
// ThumbDragCompleted(this, null);
//}
//if (container.ActualWidth / 2 < -e.HorizontalChange)
//{
// var items = itemscontrol.TryFindParent<DragTabControl>().Items;
// var index = items.IndexOf(container.Content);
// if (index == 0) return;
// var tabitem = container.Content;
// items.Remove(tabitem);
// items.Insert(index - 1, tabitem);
// ThumbDragCompleted(this, null);
//}
//}
}
private void ThumbDragStarted(object sender, DragStartedEventArgs e)
{
DragTabItem container = null;
Thumb tb = e.OriginalSource as Thumb;
if (tb != null)
{
container = tb.TryFindParent <DragTabItem>();
}
DragChache.DragingSource = container.Content;
DragChache.PointInElement = Mouse.GetPosition(container);
if (Items.Count == 1)
{
var win = Window.GetWindow(this);
win.Opacity = 0;
//win.Visibility = Visibility.Collapsed;
}
EffectWindow.ShowEffect(container);
}