public new void RemoveAt(Int32 index)
{
T item = this[index];
base.RemoveAt(index);
OnRemove?.Invoke(item);
ItemsChanged?.Invoke();
}
public bool Remove(Item item)
{
var success = items.Remove(item);
ItemsChanged?.Invoke();
return(success);
}
public async Task DeleteItemByKey(Guid ID)
{
var item = await this[ID];
await _companyCollection.FindOneAndUpdateAsync(e => e.ID == item.CompanyID,
Builders <Company> .Update.Pull(e => e.Employees, item));
ItemsChanged?.Invoke(this, new RepositoryChangeEventArgs <Employee>(OperationType.Delete, item));
}
/// <summary>
/// 触发集合更改事件
/// </summary>
/// <param name="change"></param>
/// <param name="index"></param>
void RaiseVectorChanged(CollectionChange change, int index)
{
if (_updating <= 0 && ItemsChanged != null)
{
// 符合更新条件，触发基类事件，否则延迟更新
ItemsChanged.Invoke(this, new ItemListChangedArgs(change, index));
}
}
public MaterialsToStudentViewModel(IEnumerable <MaterialSelectorItem> materials)
{
Materials = new ObservableCollection <MaterialSelectorItem>(materials);
Apply = new DelegateCommand(() => {
ItemsChanged?.Invoke(this, EventArgs.Empty);
ViewService.Message("Материалы прикрепленны");
});
}
public void AddItem()
{
_items.Add(new Item {
Title = $"Item {_items.Count}"
});
ItemsChanged?.Invoke(this, EventArgs.Empty);
}
public void RemoveItem(Item item)
{
_itemsInventory.Remove(item);
_audioSource.PlayOneShot(_selectClip);
ItemsChanged?.Invoke();
}
public void ReplaceItems(IEnumerable <MenuItemUserModel> userItems)
{
var newItems = userItems.ToList();
_items.Clear();
RegisterModel(newItems, _items);
ItemsChanged?.Invoke(newItems);
}
