public static bool ConfirmAndRemove <T>(IEnumerable <T> entities, Action <IEnumerable <T> > deleteAction, string entityName,
IEnumerable <string> descriptions, Action success = null)
where T : class
{
var message = MultiLangResource.DeletionConfirmationMessage(typeof(T), descriptions);
if (MessageBox.Show(message, MultiLangResourceManager.Instance[MultiLangResourceName.DeletionConfirmation],
MessageBoxButton.YesNo, MessageBoxImage.Exclamation, MessageBoxResult.Yes) == MessageBoxResult.Yes)
{
try
{
// remove in database
deleteAction(entities);
}
catch (Exception ex)
{
MessageBox.Show(MultiLangResource.DeletionErrorMessage(typeof(T), descriptions),
MultiLangResourceManager.Instance[MultiLangResourceName.DeletionError], MessageBoxButton.OK, MessageBoxImage.Error);
return(false);
}
// apply if success result
success?.Invoke();
return(true);
}
return(false);
}
protected override void InitializeCommands()
{
base.InitializeCommands();
DeletePenaltyCommand = new ParametrizedCommand <DebtPenaltyViewModel>(
(item) =>
{
var message = MultiLangResource.DeletionConfirmationMessage(typeof(DebtPenaltyModel), new[] { item.Description });
if (MessageBox.Show(message, MultiLangResourceManager.Instance[MultiLangResourceName.DeletionConfirmation],
MessageBoxButton.YesNo, MessageBoxImage.Exclamation, MessageBoxResult.Yes) == MessageBoxResult.Yes)
{
// remove from entity
WrappedEntity.Entity.Penalties.Remove(WrappedEntity.Entity.Penalties.First(_ => _.Id == item.Id));
// remove from view
PenaltiesPanel.Children.Remove(_penaltyControl[item]);
}
});
WrappedEntity.Entity.AddPenaltyCommand = new Command(() =>
{
var newPenalty = new DebtPenaltyModel()
{
DebtId = WrappedEntity.Entity.Id,
Id = WrappedEntity.Entity.Penalties.Count > 0 ?WrappedEntity.Entity.Penalties.Min(_ => _.Id) - 1 : -1
};
WrappedEntity.Entity.Penalties.Add(newPenalty);
AddPenaltyToView(newPenalty);
});
}
private void InitializeViewModel()
{
_viewModel = new CurrenciesPageViewModel()
{
// Currency commands
AddCurrencyCommand = new Command(
() => OpenDetails(new CurrencyModel()
{
UserId = GlobalVariables.UserId
}, true)),
EditCurrencyCommand = new DataGridSelectedItemCommand <CurrencyModel>(GridCurrencies,
(item) => OpenDetails(item), null, true),
DeleteCurrencyCommand = new DataGridSelectedItemsCommand <CurrencyModel>(GridCurrencies,
(items) => EntityViewHelper.ConfirmAndRemoveNamed(_service, items, () =>
{
// remove in grid
foreach (var item in items.ToList())
{
_viewModel.Currencies.Remove(item);
}
NotifyDataChanged();
}),
(items) => !items.Any(_ => _.IsMain)),
SetMainCommand = new DataGridSelectedItemCommand <CurrencyModel>(GridCurrencies,
(item) =>
{
// save main in database
_service.SetMain(item);
// refresh currency data in grid
UpdateMainCurrencyLocal(item);
// refresh commands
RefreshCurrencyCommandsState();
NotifyDataChanged();
},
(item) => !item.IsMain),
ChangeActivityCommand = new DataGridSelectedItemsCommand <CurrencyModel>(GridCurrencies,
(items) =>
{
// get new place index
var firstNotUsed = _viewModel.Currencies.FirstOrDefault(_ => !_.IsActive);
var newIndex = firstNotUsed != null ? _viewModel.Currencies.IndexOf(firstNotUsed) : _viewModel.Currencies.Count - 1;
// update currencies
foreach (var c in items)
{
c.IsActive = !c.IsActive;
// replace in grid
_viewModel.Currencies.Move(_viewModel.Currencies.IndexOf(c), newIndex);
if (c.IsActive)
{
newIndex++;
}
}
// update currencies in database
_service.Update(items);
RefreshCurrencyCommandsState();
NotifyDataChanged();
},
(items) => items.Select(e => e.IsActive).Distinct().Count() == 1),
// Currency echange rate commands
AddCurrencyExchangeRateCommand = new Command(
() => OpenDetails(new CurrencyExchangeRateModel(), true)),
EditCurrencyExchangeRateCommand = new DataGridSelectedItemCommand <CurrencyExchangeRateModel>(GridCurrencyExchangeRates,
(item) => OpenDetails(item), doubleClick: true),
DeleteCurrencyExchangeRateCommand = new DataGridSelectedItemsCommand <CurrencyExchangeRateModel>(GridCurrencyExchangeRates,
(items) =>
{
var message = MultiLangResource.DeletionConfirmationMessage(typeof(CurrencyExchangeRateModel),
items.Select(_ => $"{_.CurrencyFrom.Name} -> {_.CurrencyTo.Name}"));
if (MessageBox.Show(message, MultiLangResourceManager.Instance[MultiLangResourceName.DeletionConfirmation],
MessageBoxButton.YesNo, MessageBoxImage.Exclamation, MessageBoxResult.Yes) == MessageBoxResult.Yes)
{
// remove in database
_currencyExchangeRateService.Delete(items);
// remove in grid
foreach (var item in items.ToList())
{
_viewModel.CurrencyExchangeRates.Remove(item);
}
NotifyDataChanged();
}
})
};
this.DataContext = _viewModel;
}