private void btnAddItem_Click(object sender, EventArgs e)
{
Person selected = GetSelectedPerson();
Payment payment = GetDefaultTransaction(selected);
Product product = new Product("New product", 100, payment, new List <Person>());
Product edited = ItemEditor.Edit(product, persons);
if (edited != null)
{
Recalculate();
RefreshItems();
RefreshPersons();
RefreshButtons();
RefreshSummary();
SaveData();
SelectPerson(selected);
SelectProduct(edited);
}
else
{
product.Transaction = null;
}
}
internal static Product Edit(Product p, List <Person> persons)
{
using (ItemEditor form = new ItemEditor(p, persons))
{
form.tbTransactionName.Text = p.Transaction.Name;
form.tbProductName.Text = p.Name;
form.nProductPrice.Value = p.Price;
bool all = true;
bool any = false;
int tabIndex = 4;
Point initial = new Point(16, 43);
foreach (Person person in persons)
{
CheckBox cb = new CheckBox();
cb.Location = initial;
cb.Text = person.Name;
cb.TabIndex = tabIndex++;
cb.Checked = p.Receivers.Contains(person);
cb.Tag = person;
cb.CheckedChanged += cb_CheckedChanged;
form.gbConsumers.Controls.Add(cb);
initial = new Point(initial.X, initial.Y + 23);
form.gbConsumers.Height += 23;
form.Height += 23;
all &= cb.Checked;
any |= cb.Checked;
}
form.cbAll.CheckedChanged -= cbAll_CheckedChanged;
if (all)
{
form.cbAll.Checked = true;
}
else if (any)
{
form.cbAll.CheckState = CheckState.Indeterminate;
}
else
{
form.cbAll.Checked = false;
}
form.cbAll.CheckedChanged += cbAll_CheckedChanged;
DialogResult result = form.ShowDialog();
if (result == DialogResult.OK)
{
p.Name = form.tbProductName.Text;
p.Price = form.nProductPrice.Value;
p.Receivers.Clear();
if (form.cbAll.CheckState == CheckState.Checked)
{
p.Receivers.AddRange(persons);
}
else
{
foreach (CheckBox cb in form.gbConsumers.Controls)
{
if (cb != form.cbAll && cb.CheckState == CheckState.Checked)
{
if (cb.Tag as Person != null)
{
p.Receivers.Add(cb.Tag as Person);
}
}
}
}
if (form.transactions.Any(t => t.Name == form.tbTransactionName.Text))
{
p.Transaction = form.transactions.First(t => t.Name == form.tbTransactionName.Text);
}
else
{
p.Transaction = new Payment(form.tbTransactionName.Text, p.Transaction.Byer);
}
return(p);
}
else
{
return(null);
}
}
}