private async Task UpdateIncludedTeacher()
{
IncludedTeachers.Clear();
var filter = await GetFilteredTeacher();
if (filter != null)
{
foreach (var item in filter)
{
IncludedTeachers.Add(item);
await Task.Delay(10);
}
}
FBStatusCount = IncludedTeachers?.Count.ToString();
}
private void GaDTeacher_Drop(object sender, DragEventArgs e)
{
GridView grdView = sender as GridView;
var deferal = e.GetDeferral();
Point posFromRoot = e.GetPosition(grdView.ItemsPanelRoot);
int index = 0;
var itemContainer = grdView.ContainerFromIndex(0) as GridViewItem;
if (itemContainer != null)
{
Size itemSize = new Size(
itemContainer.ActualWidth + itemContainer.Margin.Left + itemContainer.Margin.Right,
itemContainer.ActualHeight + itemContainer.Margin.Top + itemContainer.Margin.Bottom);
int xCount = (int)Math.Max(1, grdView.ItemsPanelRoot.ActualWidth / itemSize.Width);
int yCount = (int)Math.Max(1, grdView.ItemsPanelRoot.ActualHeight / itemSize.Height);
int indexX = (int)Math.Min(xCount, posFromRoot.X / itemSize.Width);
int indexY = (int)Math.Min(yCount, posFromRoot.Y / itemSize.Height);
index = Math.Min(grdView.Items.Count, indexY * xCount + indexX);
}
if (grdView.Name == "grdViewExcludedTeacher")
{
foreach (var item in DragOperationTemp)
{
CurrentBatch.ExcludeTeachers.Insert(index, item);
IncludedTeachers.Remove(item);
}
}
else
{
foreach (var item in DragOperationTemp)
{
CurrentBatch.ExcludeTeachers.Remove(item);
IncludedTeachers.Insert(index, item);
}
}
FBStatusCount = IncludedTeachers.Count.ToString();
}
