/// <summary>Wird aufgerufen, wenn sich die SortAtHeaderClick Eigenschaft ändert</summary>
private static void OnSortAtHeaderClickChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var lv = (ListView)d;
if ((bool)e.NewValue)
{
LastClickedHeaders.Add(new WeakReference(lv), null);
LastDirections.Add(new WeakReference(lv), ListSortDirectionEx.Ascending);
lv.AddHandler(ButtonBase.ClickEvent, new RoutedEventHandler(ColumnClicked));
}
else
{
lv.RemoveHandler(ButtonBase.ClickEvent, new RoutedEventHandler(ColumnClicked));
var gv = lv.View as GridView;
if (gv != null)
{
foreach (var col in gv.Columns)
{
col.HeaderTemplate = null;
}
}
ClearSortRules(lv);
LastClickedHeaders.Remove(LastClickedHeaders.FirstOrDefault(x => Equals(x.Key.Target, lv)).Key);
LastDirections.Remove(LastDirections.FirstOrDefault(x => Equals(x.Key.Target, lv)).Key);
}
}
/// <summary>Wird aufgerufen, wenn sich die IsSortAtClickEnabled-Eigenshcat ändert.</summary>
private static void OnIsSortAtClickEnabledChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if ((bool)e.NewValue)
{
return;
}
var col = (GridViewColumn)d;
foreach (var item in LastClickedHeaders.Where(item => item.Value != null && Equals(item.Value.Column, col)))
{
col.HeaderTemplate = null;
ClearSortRules(item.Key.Target as ListView);
}
}
