public bool saveCurrencyType(currencies_types currencyType, bool isNew)
{
// Validating
string errors = validate(currencyType);
if (errors.Length > 0)
{
MessageBox.Show(
errors,
"Error de validación",
MessageBoxButtons.OK,
MessageBoxIcon.Error
);
return(false);
}
// End validtion
if (isNew)
{
entities.currencies_types.Add(currencyType);
}
entities.SaveChanges();
loadCurrenciesTypes("");
return(true);
}
private void setCurrency(int currencyId)
{
int index = -1;
for (int x = 0; x < currencies.Count; x++)
{
if (currencies[x].id == currencyId)
{
index = x;
break;
}
}
if (index == -1)
{
currencies_types currency = (from em in entities.currencies_types
where em.id == currencyId
select em).First();
currencies.Add(currency);
index = (currencies.Count - 1);
}
cbCurrency.SelectedIndex = index;
}
private void btnModify_Click(object sender, EventArgs e)
{
DataGridViewRow row = null;
if (dgvCurrenciesTypes.SelectedRows.Count == 1)
{
row = dgvCurrenciesTypes.SelectedRows[0];
}
else if (dgvCurrenciesTypes.SelectedCells.Count == 1)
{
int i = dgvCurrenciesTypes.SelectedCells[0].RowIndex;
row = dgvCurrenciesTypes.Rows[i];
}
else
{
MessageBox.Show(
"Debes seleccionar solo 1 tipo de moneda a modificar",
"Información",
MessageBoxButtons.OK,
MessageBoxIcon.Information
);
}
if (row != null)
{
int id = Int32.Parse(row.Cells[0].Value.ToString());
currencies_types currencyType = (from em in entities.currencies_types
where em.id == id
select em).First();
if (currencyType == null)
{
MessageBox.Show(
"El Tipo de Moneda seleccionado no existe",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error
);
loadCurrenciesTypes("");
}
else
{
TipoMoneda tipoMoneda = TipoMoneda.getInstance();
tipoMoneda.setCurrencyType(currencyType);
tipoMoneda.Show();
tipoMoneda.Focus();
}
}
}
public void setCurrencyType(currencies_types currencyType)
{
this.currencyType = currencyType;
// Fill with attributes
txtDescription.Text = currencyType.description;
txtExchangeRate.Text = currencyType.exchange_rate.ToString();
if (currencyType.state)
{
rbActive.Checked = true;
}
else
{
rbInactive.Checked = true;
}
}
private string validate(currencies_types currency)
{
StringBuilder sb = new StringBuilder();
foreach (var prop in currency.GetType().GetProperties())
{
if (prop.PropertyType == typeof(string))
{
prop.SetValue(currency, ((string)prop.GetValue(currency)).Trim());
}
}
if (currency.description.Length == 0)
{
sb.Append("- El campo descripción es obligatorio\n");
}
if (currency.exchange_rate <= 0)
{
sb.Append("- El campo tasa de cambio es obligatorio y debe ser mayor que 0\n");
}
return(sb.ToString());
}
private void btnSave_Click(object sender, EventArgs e)
{
bool saved = false;
if (currencyType == null)
{
Decimal exchangeRate = 0;
Decimal.TryParse(txtExchangeRate.Text, out exchangeRate);
currencies_types newCurrencyType = new currencies_types {
description = txtDescription.Text,
exchange_rate = exchangeRate,
state = rbActive.Checked
};
saved = MnjTipoMoneda.getInstance().saveCurrencyType(newCurrencyType, true);
}
else
{
Decimal exchangeRate = 0;
Decimal.TryParse(txtExchangeRate.Text, out exchangeRate);
currencyType.description = txtDescription.Text;
currencyType.exchange_rate = exchangeRate;
currencyType.state = rbActive.Checked;
saved = MnjTipoMoneda.getInstance().saveCurrencyType(currencyType, false);
}
if (saved)
{
MessageBox.Show(
"Datos almacenados con éxito",
"Información",
MessageBoxButtons.OK,
MessageBoxIcon.Information
);
this.Close();
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
DataGridViewRow row = null;
if (dgvCurrenciesTypes.SelectedRows.Count == 1)
{
row = dgvCurrenciesTypes.SelectedRows[0];
}
else if (dgvCurrenciesTypes.SelectedCells.Count == 1)
{
int i = dgvCurrenciesTypes.SelectedCells[0].RowIndex;
row = dgvCurrenciesTypes.Rows[i];
}
else
{
MessageBox.Show(
"Debes seleccionar solo 1 tipo de moneda a eliminar",
"Información",
MessageBoxButtons.OK,
MessageBoxIcon.Information
);
}
if (row != null)
{
int id = Int32.Parse(row.Cells[0].Value.ToString());
currencies_types currencyType = (from em in entities.currencies_types
where em.id == id
select em).First();
if (currencyType == null)
{
MessageBox.Show(
"El Tipo de Moneda seleccionado no existe",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error
);
loadCurrenciesTypes("");
}
else
{
DialogResult deleteIt = MessageBox.Show(
"¿Estás seguro que quieres eliminar este tipo de moneda?",
"Confirmar",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question
);
if (deleteIt == DialogResult.Yes)
{
entities.currencies_types.Remove(currencyType);
try
{
entities.SaveChanges();
MessageBox.Show(
"¡Tipo de Moneda eliminada con éxito!",
"Información",
MessageBoxButtons.OK,
MessageBoxIcon.Information
);
}
catch (Exception ex) {
MessageBox.Show(
"¡Este tipo de moneda se encuentra en uso!",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error
);
ConnectionDB.getInstance().resetConnection();
}
}
loadCurrenciesTypes("");
}
}
}