/// <summary>
/// The callback for the <see cref="Clear"/> command.
/// </summary>
/// <returns>Task to run asynchronously.</returns>
protected virtual Task ClearCallback()
{
ResetStringProperties();
SelectedItems.Clear();
ItemsFound.Clear();
return(Task.CompletedTask);
}
/// <summary>
/// Attempts to remove item from instance.
/// </summary>
/// <param name="item">Item to remove.</param>
public void Remove(IIdProvider item)
{
if (item is TDataGridSource)
{
ItemsFound.Remove((TDataGridSource)item);
}
}
protected override void Dispose(bool disposing)
{
if (!_disposed)
{
if (disposing)
{
OnDisableChange = null;
SearchComplete = null;
SearchToBegin = null;
ExportId = null;
Cleared = null;
ItemsFound.Clear();
SelectedItems.Clear();
_formLocker.Dispose();
_synchronizer.StopSynchronizing();
}
_disposed = true;
}
base.Dispose(disposing);
}
protected override Task SearchCallback() =>
LockFormForExecution(async() => {
OnSearchToBegin();
ItemsFound.Clear();
await ItemsFoundClearedBeforeSearch();
OperationResult <List <TSearchReturn> > operation =
await _dataAccessor.SubmitSearchOrderAsync(DataCollectorConverter(DataCollector));
if (operation.WasSuccessful)
{
await Perform.CollectionRehydrationAsync(ItemsFound, DataGridSourceConverter(operation.Result));
}
await ItemsFoundFillComplete();
if (ItemsFound.Count == 1)
{
SelectedItem = ItemsFound.First();
}
OnSearchComplete(operation);
});
protected override Task SearchCallback() =>
LockFormForExecution(async() => {
OnSearchToBegin();
var itemList = new List <TDataGridSource>();
await ItemsFoundToBeCleared(ItemsFound);
if (AttemptDisposalAfterClear)
{
itemList.AddRange(ItemsFound ?? Enumerable.Empty <TDataGridSource>());
}
ItemsFound.ToList().ForEach(item => ItemsFound.Remove(item));
await ItemsFoundClearedBeforeSearch();
OperationResult <List <TSearchReturn> > operation =
await _dataAccessor.SubmitSearchOrderAsync(DataCollectorConverter(DataCollector));
if (_disposed)
{
return;
}
if (operation.WasSuccessful)
{
await Perform.CollectionRehydrationAsync(ItemsFound, DataGridSourceConverter(operation.Result));
}
await ItemsFoundFillComplete();
if (ItemsFound.Count == 1 && SelectIfOnlyOneItemReturned)
{
SelectedItem = ItemsFound.First();
}
OnSearchComplete(operation);
});
protected virtual void OnItemsFound(IEnumerable <Item> items)
{
ItemsFound?.Invoke(this, new ItemsEventArgs {
Items = items
});
}
