private void RaiseLanguageRemoveInteractionRequest(GeneralLanguage selectedItem)
{
var confirmation = new ConditionalConfirmation
{
Title = "Remove confirmation".Localize(null, LocalizationScope.DefaultCategory),
Content = string.Format("Are you sure you want to remove Language '{0}'?".Localize(), selectedItem.LanguageCode)
};
LanguageCommonConfirmRequest.Raise(confirmation,
(x) =>
{
if (x.Confirmed)
{
if (AddedItems.Contains(selectedItem))
{
AddedItems.Remove(selectedItem);
}
else
{
if (UpdatedItems.Contains(selectedItem))
{
UpdatedItems.Remove(selectedItem);
}
RemovedItems.Add(selectedItem);
}
InnerItems.Remove(selectedItem);
}
});
}
private void OnPropertyChanged(object sender, PropertyChangedEventArgs propertyChangedEventArgs)
{
var item = (T)sender;
if (!AddedItems.Contains(item) && !UpdatedItems.Contains(item))
{
UpdatedItems.Add(item);
}
}
public void Remove(T item)
{
if (AddedItems.Contains(item))
{
AddedItems.Remove(item);
}
else
{
if (UpdatedItems.Contains(item))
{
UpdatedItems.Remove(item);
}
RemovedItems.Add(item);
}
InnerItems.Remove(item);
item.PropertyChanged -= OnPropertyChanged;
}
public virtual void RejectChange(T item, bool applyToItem)
{
if (AddedItems.Contains(item))
{
RemoveItem(Items.IndexOf(item));
}
else if (RemovedItems.Contains(item))
{
InsertItem(Items.Count, item);
}
else
{
throw new ArgumentOutOfRangeException(nameof(item), "The specified item does not exist in this collection.");
}
if (applyToItem && item is IRevertibleChangeTracking)
{
((IRevertibleChangeTracking)item).RejectChanges();
}
}