private void FilterItems()
{
IEnumerable source = ItemsSource;
if (source == null)
{
FilteredItems.Clear();
return;
}
IEnumerator enumerator = source.GetEnumerator();
if (!enumerator.MoveNext())
{
FilteredItems.Clear();
return;
}
FilterPredicate predicate = Predicate;
FilteredCollection filtered = new FilteredCollection();
do
{
object item = enumerator.Current;
if (predicate == null || predicate.Matches(item))
{
filtered.Add(item);
}
}while (enumerator.MoveNext());
FilteredItems = filtered;
}
/// <inheritdoc/>
public override void Clear()
{
LiveShapingItems.Values.ForEach(OnLiveShapingItemRemoved);
LiveShapingItems.Clear();
FilteredItems.Clear();
base.Clear();
}
protected async Task ApplyFilters()
{
IReadOnlyList <T> items = Items();
IEnumerable <T> filteredItems = items;
foreach (EntityGridFilterBase <T> filter in Filters)
{
filter.OnBeforeFilter(items);
}
foreach (EntityGridFilterBase <T> filter in Filters)
{
filteredItems = filteredItems.Where(filter.Filter);
}
FilteredItems.Clear();
FilteredItems.AddRange(filteredItems);
if (ItemsGridComponent != null)
{
await ItemsGridComponent.UpdateGrid();
}
else
{
await ItemsGrid.UpdateGrid();
}
}
/// <summary>
/// Clear the collection
/// </summary>
public void Clear()
{
if (ContentItems != null && FilteredItems != null)
{
ContentItems.Clear();
FilteredItems.Clear();
}
}
private void ResetView()
{
FilteredItems.Clear();
foreach (var opt in Grid.Children.OfType <IFilterOption>())
{
opt.Reset();
}
Clear?.Invoke(this, EventArgs.Empty);
}
private void FilterData()
{
FilteredItems.Clear();
foreach (var item in Items)
{
if (item.Name.Contains(filter) || filter.Equals("allValues"))
{
FilteredItems.Add(item);
}
}
}
private void FilterItems()
{
FilteredItems.Clear();
var query = Items.AsEnumerable();
if (EventType == EventTypeFilter.Paid)
{
query = Items.Where(it => !it.IsFree);
}
else if (EventType == EventTypeFilter.Free)
{
query = Items.Where(it => it.IsFree);
}
foreach (var item in query)
{
FilteredItems.Add(item);
}
}
public new void Filter(string search)
{
string[] filter = search?.Split(" ");
FilteredItems.Clear();
FilteredSymbolItems.Clear();
foreach (IconItem item in Items)
{
if (item.FitsFilter(filter))
{
FilteredItems.Add(item);
if (item.IsSymbol)
{
FilteredSymbolItems.Add(item);
}
}
}
}
/// <summary>
/// Filtruoja helpRequest pagal įvestą String, pasirinką kategoriją,
/// bei per profili gali pasirinkti kad žiūrėtų tik savo
/// </summary>
/// <param name="search">Įvestas raktas</param>
/// <param name="category">Pasirinkta kategorija</param>
/// <param name="own">Ar tai mano HelpRequest</param>
void Filter(string search = null, string category = null, bool own = false)
{
if (Items == null || LocalUserManager.LocalUser == null) // Dar nėra informacijos
{
return;
}
List <HelpRequestModel> filtered = Items.ToList();
FilteredItems.Clear();
filtered.ForEach((helpRequest) =>
{
if ((String.IsNullOrEmpty(category) || category == helpRequest.Category) &&
(String.IsNullOrEmpty(search) || helpRequest.Title.ToLower().Contains(search) || helpRequest.Description.ToLower().Contains(search)) &&
(!own || helpRequest.Username == LocalUserManager.LocalUser.Username))
{
FilteredItems.Add(helpRequest);
}
});
}
public void RecalculateFilter()
{
if (Filter == null)
{
FilteredItems.ForEach(item => InternalAdd(item));
FilteredItems.Clear();
}
else
{
// Remove the items that no longer pass the filter
var itemsRemovedByNewFilter = new List <T>();
for (int i = BackingList.Count - 1; i >= 0; i--)
{
if (!PassesFilter(BackingList[i]))
{
itemsRemovedByNewFilter.Add(BackingList[i]);
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, BackingList[i], i));
base.RemoveAt(i);
}
}
// Add the previously filtered items that that now pass
FilteredItems.RemoveWhere(item => {
var insertionIndex = InternalAdd(item);
if (insertionIndex >= 0)
{
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, item, insertionIndex));
return(true);
}
return(false);
});
// Don't move items into the filtered list until it has been iterated over
FilteredItems.UnionWith(itemsRemovedByNewFilter);
}
}
public void RefreshItems()
{
FilteredItems.Clear();
FilteredItems = filter.RestoreItemList(FilteredItems);
}
public void Clear()
{
FilteredItems.Clear();
TotalItemsCount = 0;
}
