public void ClearFilter(bool suppressChanges = true)
{
try
{
// Reset this Filter Group back to default ('All' filter).
var allFilter = _items.FirstOrDefault(item => item.IsAllItem);
_selectedFilterItem = allFilter;
OnPropertyChanged("SelectedFilterItem");
//Invoke Notification event on change.
if (!suppressChanges)
{
FilterUpdated?.Invoke(this, new EventArgs());
}
}
catch (Exception)
{
//place to throw an exception
}
}
public ProductListFilterGroupDisplayItem(ProductListFilterViewModel parent, string title, string fieldName, List <ProductListFilterItem> items)
{
//Create a UniqueID to identify this group of filters.
UniqueGroupId = Guid.NewGuid().ToString();
//Initialize Instance
Title = title;
FieldName = fieldName;
_parent = parent;
_items = new ObservableCollection <ProductListFilterItem>();
_selectedFilterItem = null;
//Populate the Filter Items
if (items?.Count > 0)
{
foreach (var item in items)
{
//Assign Filter Item to Group Id
item.GroupId = UniqueGroupId;
_items.Add(item);
}
_selectedFilterItem = items.FirstOrDefault();
}
}
