private void UpdateFilters()
{
Log.Debug("Updating filters");
if (_filterSchemes != null)
{
_filterSchemes.Schemes.CollectionChanged -= OnFilterSchemesCollectionChanged;
}
_filterSchemes = _filterSchemeManager.FilterSchemes;
if (_filterSchemes != null)
{
_filterSchemes.Schemes.CollectionChanged += OnFilterSchemesCollectionChanged;
}
var newSchemes = new ObservableCollection <FilterScheme>();
if (RawCollection == null)
{
_targetType = null;
}
else
{
_targetType = CollectionHelper.GetTargetType(RawCollection);
if (_targetType != null)
{
newSchemes.AddRange((from scheme in _filterSchemes.Schemes
where scheme.TargetType != null && _targetType.IsAssignableFromEx(scheme.TargetType)
select scheme));
}
}
newSchemes.Insert(0, NoFilterFilter);
if (AvailableSchemes == null || !Catel.Collections.CollectionHelper.IsEqualTo(AvailableSchemes, newSchemes))
{
AvailableSchemes = newSchemes;
var selectedFilter = _filterService.SelectedFilter ?? NoFilterFilter;
SelectedFilterScheme = selectedFilter;
}
}
private void UpdateFilters()
{
if (_filterSchemes != null)
{
_filterSchemes.Schemes.CollectionChanged -= OnFilterSchemesCollectionChanged;
}
_filterSchemes = _filterSchemeManager.FilterSchemes;
if (_filterSchemes != null)
{
_filterSchemes.Schemes.CollectionChanged += OnFilterSchemesCollectionChanged;
}
var newSchemes = new ObservableCollection <FilterScheme>();
if (RawItems == null)
{
_targetType = null;
}
else
{
_targetType = CollectionHelper.GetTargetType(RawItems);
((ICollection <FilterScheme>)newSchemes).AddRange(from scheme in _filterSchemes.Schemes
where _targetType != null && _targetType.IsAssignableFromEx(scheme.TargetType)
select scheme);
}
newSchemes.Insert(0, NoFilterFilter);
if (AvailableSchemes == null || !Catel.Collections.CollectionHelper.IsEqualTo(AvailableSchemes, newSchemes))
{
AvailableSchemes = newSchemes;
SelectedFilterScheme = newSchemes.FirstOrDefault();
}
}
