private void OnColumnFiltering(GridViewFilteringEventArgs args)
{
var vm = DataContext as SelectCrossRefViewModel;
if (vm == null || vm.IsBusy || vm.IsPopulatingNewPageItems)
return;
if (args.Added != null && args.Added.Any())
{
var descriptor = args.Added.First() as ColumnFilterDescriptor;
if (descriptor != null)
_filterValues[descriptor.Member] = (string)descriptor.Value;
}
if (args.Removed != null && args.Removed.Any())
{
var descriptor = args.Removed.First() as ColumnFilterDescriptor;
if (descriptor != null)
{
if (_filterValues.ContainsKey(descriptor.Member))
_filterValues.Remove(descriptor.Member);
}
}
ApplyFilter(vm);
}
public virtual void ControlFiltering(Object sender, GridViewFilteringEventArgs e)
{
UIControlFilterList = ((GridViewDataControl)sender).FilterDescriptors;
if (ObservedFieldFilters.Count > UIControlFilterList.Count)
{
IList <TelerikFieldFilterDescriptor> toDelete = new List <TelerikFieldFilterDescriptor>();
foreach (TelerikFieldFilterDescriptor fieldFilter in ObservedFieldFilters)
{
if (!fieldFilter.IsActive)
{
toDelete.Add(fieldFilter);
}
}
foreach (TelerikFieldFilterDescriptor fieldFilter in toDelete)
{
if (ObservedFieldFilters.Remove(fieldFilter))
{
fieldFilter.PropertyChanged -= fieldFilterHasChangedDelegate;
}
}
}
// If only the logical operator of a FieldFilter is changed, then no Filtering event is fired
// => Changes in the FieldFilters must be tracked in addition
if (e.ColumnFilterDescriptor.IsActive && e.ColumnFilterDescriptor.FieldFilter != null)
{
if (!ObservedFieldFilters.Contains(e.ColumnFilterDescriptor.FieldFilter))
{
ObservedFieldFilters.Add(e.ColumnFilterDescriptor.FieldFilter);
e.ColumnFilterDescriptor.FieldFilter.PropertyChanged += fieldFilterHasChangedDelegate;
}
}
AmbethIFilterDescriptor tempDescriptor = FilterDescriptorConverter.ConvertTelerikFilterCollection(UIControlFilterList);
if (e.ColumnFilterDescriptor.IsActive == false && e.Added.Count <TelerikIFilterDescriptor>() > 0)
{
AmbethFilterDescriptor = this.FilterDescriptorConverter.AddTelerikFilterDescriptor(tempDescriptor, ((IList <TelerikIFilterDescriptor>)e.Added)[0]);
return;
}
AmbethFilterDescriptor = tempDescriptor;
}
private void Filtering(object sender, GridViewFilteringEventArgs e)
{
e.Cancel = true;
var column = _grid.Columns[e.ColumnFilterDescriptor.Column.UniqueName];
if (column == null) return;
var filterableList = _grid.DataContext as IFilterableList;
if (filterableList == null) return;
if (e.Added == null || !e.Added.Any()) return;
foreach (var f in e.Added.ToList().Select(filter => (filter as Telerik.Windows.Data.FilterDescriptor)).Where(f => f != null))
filterableList.AddFilter(new FilterDescriptor(f.Member, f.Operator.ToFilterOperator(), f.Value));
filterableList.ApplyFiter();
}
private void gridView_Filtering(object sender, GridViewFilteringEventArgs e)
{
}
