public static SortInfo GetSort(ListView listView)
{
SortInfo sort = new SortInfo();
if (listView.Items.SortDescriptions.Count > 0)
{
sort.PropertyName = listView.Items.SortDescriptions[0].PropertyName;
sort.Direction = listView.Items.SortDescriptions[0].Direction;
GridViewColumnHeader currentSortedColumnHeader = GridViewSort.GetSortedColumnHeader(listView);
sort.ColumnName = currentSortedColumnHeader.Content.ToString();
sort.SelectedIndex = listView.SelectedIndex;
}
return(sort);
}
public static void SetSort(ListView listView, SortInfo sort)
{
if (string.IsNullOrEmpty(sort.PropertyName))
{
return;
}
SortInfo currentSort = GetSort(listView);
int number;
if (string.IsNullOrEmpty(currentSort.PropertyName) ||
0 != string.CompareOrdinal(currentSort.ColumnName, sort.ColumnName))
{ // different column
number = sort.Direction == ListSortDirection.Descending ? 2 : 1;
}
else
{ // same column
if (currentSort.Direction == sort.Direction)
{
return;
}
number = 1;
}
for (int i = 0; i < number; i++)
{
// programmatically click column header number of times
GridViewSort.ApplySort(listView.Items, sort.PropertyName, listView, GetHeaderColimn(listView, sort.ColumnName));
}
listView.SelectedIndex = sort.SelectedIndex != -1 ? sort.SelectedIndex : 0;
// refocus list view
Application.Current.Dispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle, new Action(() =>
{
ListViewItem item = listView.ItemContainerGenerator.ContainerFromIndex(listView.SelectedIndex) as ListViewItem;
item?.Focus();
}));
}
