// find all child of parent
private void soLuongCom_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
//init_monandachon();
double kaloFollow;
ComboBox combo = sender as ComboBox;
// cho lan chay dau tien, khi tag chua duoc binding
if (combo.Tag == null) return;
// lay tag của nhóm
int checkTag = (int)combo.Tag;
// lấy số lượng chọn
int soluong = Int32.Parse((combo.SelectedItem as ComboBoxItem).Content.ToString());
// thay doi phan tu o list
ThucDon td = monanChonList.Find(r => r.IdMonAn == checkTag);
if (td == null) td = new ThucDon();
td.SoLuong = soluong;
var lstText = AllChildren(combo.Parent).OfType<TextBlock>();
// truong hop check box chua duoc check
if (((combo.Parent as StackPanel).Parent as CheckBox).IsChecked == false)
{
foreach (var item in lstText)
{
if ((item as TextBlock).Name.Equals("kaloBlock"))
{
// lay luong kalo cua mon an tu list;
double kaloBD = monAnList.Find(r => r.IdMonAn == checkTag).LuongKaloTrenDonVi;
// nhan voi so luong
kaloFollow = kaloBD * soluong;
// roi day ra man hinh
(item as TextBlock).Text = kaloFollow.ToString();
}
}
}
// truong hop check box da duoc check
else
{
foreach (var item in lstText)
{
if ((item as TextBlock).Name.Equals("kaloBlock"))
{
// phai tru di luong ban dau
TongLuongKalo -= Double.Parse((item as TextBlock).Text);
// lay luong kalo cua mon an tu list;
double kaloBD = monAnList.Find(r => r.IdMonAn == checkTag).LuongKaloTrenDonVi;
// nhan voi so luong
kaloFollow = kaloBD * soluong;
td.LuongKalo = kaloFollow;
// cong lai luong thay doi
TongLuongKalo += kaloFollow;
// roi day ra man hinh
(item as TextBlock).Text = kaloFollow.ToString();
}
}
}
}
//chuyen trang sau dialog
//public void chuyenPage(IUICommand command)
//{
// //Frame.Navigate(typeof(KaloNgoaiPage));
//}
private void CheckBox_Checked(object sender, RoutedEventArgs e)
{
ThucDon td = new ThucDon();
// them cac IdThongKeNgay o day
td.IdThongKeNgay = thongkengay.IdThongKeNgay;
var checkMonAn = sender as CheckBox;
td.IdMonAn = (int)(checkMonAn.Content as StackPanel).Tag;
td.SoLuong = Int32.Parse(((checkMonAn.Content as StackPanel).Children.OfType<ComboBox>().FirstOrDefault().SelectedItem as ComboBoxItem).Content.ToString());
var listBlock = AllChildren(checkMonAn.Content as StackPanel).OfType<TextBlock>();
foreach (var item in listBlock)
{
if ((item as TextBlock).Name.Equals("kaloBlock"))
{
td.LuongKalo = double.Parse((item as TextBlock).Text);
TongLuongKalo += double.Parse((item as TextBlock).Text);
}
}
// chua co idThongKeNgay
monanChonList.Add(td);
}