private void newBillButton_Click(object sender, EventArgs e)
{
String number = this.numberTextBox.Text;
String phone = this.phoneTextBox.Text;
DateTime deliveryDate = this.deliveryDateTimePicker.Value;
String remark = this.remarkTextBox.Text;
int oridnal;
if(!int.TryParse(this.ordinalTextbox.Text,out oridnal))
{
MessageBox.Show("序号必须为正数");
return;
}
Bill bill = new Bill()
{
Number = number,
Phone = phone,
DeliveryDate = deliveryDate,
Remark = remark,
Completed = false,
Ordinal = oridnal
};
(Controller as BillController).NewBill(bill);
}
public void NewBill(Bill bill)
{
List<Bill> specificBill = (from b in (Task as BillTask).SalesTask.Bills
where b.Equals(bill)
select b).ToList();
if (specificBill.Count > 0)
{
MessageBox.Show("已经存在这个订单啦");
return;
}
SaleTask task = (Task as BillTask).SalesTask;
task.Bills.Add(bill);
task.TriggerBillsChanged(this, new BillChangeEventArg(bill, ModelChangeEventArg.INSERT));
}
public void UpdateBill(Bill bill)
{
(Task as SaleTask).TriggerBillsChanged(null, new BillChangeEventArg(bill, ModelChangeEventArg.UPDATE));
}
public void SetCurrentBill(Bill bill)
{
(Task as SaleTask).CurrentBill = bill;
}
/*
* bill modify method
*/
public void DeleteBill(Bill bill)
{
// since in the form view layer, we called bindingsource.remove method, it will also delete the object of model layer
// here we just call the event trigger method to notify the observors to take actions
(Task as SaleTask).TriggerBillsChanged(null, new BillChangeEventArg(bill, ModelChangeEventArg.REMOVE));
}
public void DatabaseBillPersist(Bill bill, int changingType)
{
//database operation
switch (changingType)
{
case ModelChangeEventArg.INSERT:
BillDao.Insert(bill);
break;
case ModelChangeEventArg.UPDATE:
BillDao.Update(bill);
break;
case ModelChangeEventArg.REMOVE:
BillDao.Delete(bill);
break;
}
}
public void SelectBillInList(Bill bill)
{
int index = (this.billsGridView.DataSource as BindingSource).IndexOf(bill);
int count = this.billsGridView.Rows.Count;
if (index < count && index >= 0)
{
this.billsGridView.Rows[index].Selected = true;
this.billsGridView.Refresh();
}
}
//--------------------------------------------
private void bill_productsGridView_CellEndEdit(object sender, DataGridViewCellEventArgs e)
{
//解决SetCurrentCellAddressCore函数的可重入调用.交给billProductsGridViewTimer来处理
billProductsGridViewTimer.Enabled = true;
lastModifiedBill = CurrentBill;
}
private void billsGridView_CellEndEdit(object sender, DataGridViewCellEventArgs e)
{
lastModifiedBill = CurrentBill;
this.billsGridViewTimer.Enabled = true;
}
public void ShowBillInfo(Bill bill)
{
if (bill != null)
{
this.billRemarkTextBox.Text = bill.Remark;
this.depositTextBox.Text = bill.Deposit.ToString();
BindingSource bs = new BindingSource(bill, "Products");
this.bill_productsGridView.DataSource = bs;
CalculateAndShowTotalPrice();
}
(Controller as BillsController).SetCurrentBillProduct(CurrentBillProduct);
RefreshCurrentProduct();
}
public BillChangeEventArg(Bill changedBill, int changingType)
{
this.ChangedBill = changedBill;
this.ChangingType = changingType;
}
public static void Delete(Bill bill)
{
DatabaseHelper.BillCollection.Remove(Query<Bill>.EQ(e => e.Id, bill.Id));
}
public static void Update(Bill bill)
{
DatabaseHelper.BillCollection.Save<Bill>(bill);
}
public static void Insert(Bill bill)
{
DatabaseHelper.BillCollection.Insert<Bill>(bill);
}