private void HandleTreeItemChanged(object sender, RoutedPropertyChangedEventArgs <object> e)
{
object item = TreeViewCategories.SelectedItem;
if (item is Filter)
{
ItemFilterGrid.Visibility = Visibility.Visible;
CategoryGrid.Visibility = Visibility.Collapsed;
CategoryGrid.DataContext = null;
ItemFilterGrid.DataContext = Filter;
TreeViewCategories.ContextMenu = TreeViewCategories.Resources["FilterMenu"] as ContextMenu;
}
else
{
ItemFilterGrid.Visibility = Visibility.Collapsed;
CategoryGrid.Visibility = Visibility.Visible;
CategoryGrid.DataContext = Category;
ItemFilterGrid.DataContext = null;
TreeViewCategories.ContextMenu = TreeViewCategories.Resources["CategoryMenu"] as ContextMenu;
}
TreeViewCategories.UpdateLayout();
}
private void DisableFilterHandler(object sender, RoutedEventArgs e)
{
var filter = Filter;
if (filter == null)
{
return;
}
filter.Enabled = false;
TreeViewCategories.UpdateLayout();
}
