private async Task Sort(MemberPathSortingDirection memberPathSortingDirection)
{
while (this._filterWaitingCount != 0)
{
await Task.Delay(500);
}
var sortDirection = memberPathSortingDirection.SortDirection;
var sortMemberPath = memberPathSortingDirection.MemberPath;
switch (sortDirection)
{
case null:
this._myRemoteOrDbDataSourceAsyncProxy.SortDescriptionList.Remove(sortMemberPath);
break;
case ListSortDirection.Ascending:
this._myRemoteOrDbDataSourceAsyncProxy.SortDescriptionList.Add(
new SortDescription(sortMemberPath, ListSortDirection.Ascending));
break;
case ListSortDirection.Descending:
this._myRemoteOrDbDataSourceAsyncProxy.SortDescriptionList.Add(
new SortDescription(sortMemberPath, ListSortDirection.Descending));
break;
}
this._myRemoteOrDbDataSourceAsyncProxy.FilterDescriptionList.OnCollectionReset();
this._myDataVirtualizedAsyncFilterSortObservableCollection.Clear();
}
private void Sort(MemberPathSortingDirection pathSortingDirection)
{
var propertyName = pathSortingDirection.MemberPath;
var sortingDirection = pathSortingDirection.SortDirection;
var currentDescription =
this.CollectionViewSource.SortDescriptions.FirstOrDefault(sd => sd.PropertyName.Equals(propertyName));
if (currentDescription.PropertyName != null && currentDescription.PropertyName.Equals(propertyName))
{
this.CollectionViewSource.SortDescriptions.Remove(currentDescription);
}
if (!sortingDirection.HasValue)
{
return;
}
this.CollectionViewSource.SortDescriptions.Add(new SortDescription(propertyName,
sortingDirection.Value));
}
