private void LvTaiLieu_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (e.AddedItems.Count == 0)
{
return;
}
else
{
TaiLieu tl = e.AddedItems[0] as TaiLieu;
txtTenTaiLieu.Text = tl.tenTaiLieu;
txtMaTaiLieu.Text = tl.maTaiLieu;
cmbTheLoai.Text = tl.theLoai;
if (cmbTheLoai.Text == "Sách")
{
Sach sach1 = e.AddedItems[0] as Sach;
txtTenTacGia.Text = sach1.tenTacGia;
txtSoTrang.Text = sach1.soTrang;
}
if (cmbTheLoai.Text == "Tạp chí")
{
TapChi tc1 = e.AddedItems[0] as TapChi;
txtChuDe.Text = tc1.chuDe;
txtGia.Text = tc1.Gia.ToString();
}
}
}
private void BtnXoa_Click_1(object sender, RoutedEventArgs e)
{
if (lvTaiLieu.SelectedItems == null)
{
MessageBox.Show("Bạn chưa chọn nội dung để xóa", "CHỌN NỘI DUNG", MessageBoxButton.OK);
}
else
{
MessageBoxResult ret = MessageBox.Show("Bạn muốn xóa ?", "Hỏi xóa ", MessageBoxButton.YesNo, MessageBoxImage.Question);
if (ret == MessageBoxResult.No)
{
return;
}
else
{
foreach (TaiLieu tailieu in lvTaiLieu.SelectedItems)
{
if (tailieu.theLoai == "Tạp chí")
{
TaiLieu tai = new TapChi();
tai = tailieu;
var tapchi = (TapChi)tai;
tapChiList.Remove(tapchi);
}
if (tailieu.theLoai == "Sách")
{
TaiLieu tai1 = new Sach();
tai1 = tailieu;
var sach = (Sach)tai1;
sachList.Remove(sach);
}
taiLieuList.RemoveAt(taiLieuList.IndexOf(tailieu));
}
lvTaiLieu.Items.Clear();
foreach (TaiLieu tailieu in taiLieuList)
{
lvTaiLieu.Items.Add(tailieu);
}
}
}
}
private void btnLuu_Click(object sender, RoutedEventArgs e)
{
bool conLoi = false;
#region Kiểm tra nhập vào
if (string.IsNullOrEmpty(txtMaTaiLieu.Text))
{
ChuaNhapMaTaiLieu.Visibility = Visibility.Visible;
conLoi = true;
}
else
{
foreach (TaiLieu tai in taiLieuList.ToList())
{
if (txtMaTaiLieu.Text == tai.maTaiLieu)
{
if (cmbTheLoai.SelectedIndex == 0)
{
Sach sach = new Sach();
sach.maTaiLieu = txtMaTaiLieu.Text;
sach.tenTaiLieu = txtTenTaiLieu.Text;
sach.ngayPhatHanh = dtpNgayPhatHanh.SelectedDate.Value;
sach.tenTacGia = txtTenTacGia.Text;
sach.soTrang = txtSoTrang.Text;
sach.theLoai = cmbTheLoai.Text;
TaiLieu tai1 = new Sach();
tai1 = tai;
var sachthe = (Sach)tai1;
sachList[sachList.IndexOf(sachthe)] = sach;
taiLieuList[taiLieuList.IndexOf(tai)] = sach;
}
else if (cmbTheLoai.SelectedIndex == 1)
{
TapChi tapChi = new TapChi();
tapChi.maTaiLieu = txtMaTaiLieu.Text;
tapChi.tenTaiLieu = txtTenTaiLieu.Text;
tapChi.ngayPhatHanh = dtpNgayPhatHanh.SelectedDate.Value;
tapChi.theLoai = cmbTheLoai.Text;
tapChi.chuDe = txtChuDe.Text;
tapChi.Gia = Convert.ToDouble(txtGia.Text);
TaiLieu tai1 = new TapChi();
tai1 = tai;
var tapchithe = (TapChi)tai1;
tapChiList[tapChiList.IndexOf(tapchithe)] = tapChi;
taiLieuList[taiLieuList.IndexOf(tai)] = tapChi;
}
#region Xoa
txtMaTaiLieu.Clear();
txtTenTacGia.Clear();
txtTenTacGia.Clear();
txtSoTrang.Clear();
txtTenTaiLieu.Clear();
txtChuDe.Clear();
txtGia.Clear();
dtpNgayPhatHanh.SelectedDate = null;
cmbTheLoai.SelectedIndex = -1;
txtMaTaiLieu.Focus();
#endregion
}
}
}
if (string.IsNullOrEmpty(txtTenTaiLieu.Text))
{
ChuaNhapMaTaiLieu.Visibility = Visibility.Visible;
conLoi = true;
}
if (dtpNgayPhatHanh.SelectedDate == null)
{
ChuaChonNgayPhatHanh.Visibility = Visibility.Visible;
conLoi = true;
}
if (cmbTheLoai.SelectedIndex == -1)
{
ChuaChonTheLoai.Visibility = Visibility.Visible;
conLoi = true;
}
if (cmbTheLoai.SelectedIndex == 0)
{
if (string.IsNullOrEmpty(txtTenTacGia.Text))
{
ChuaNhapTenTacGia.Visibility = Visibility.Visible;
conLoi = true;
}
if (string.IsNullOrEmpty(txtSoTrang.Text))
{
ChuaNhapSoTrang.Visibility = Visibility.Visible;
conLoi = true;
}
}
else if (cmbTheLoai.SelectedIndex == 1)
{
if (string.IsNullOrEmpty(txtChuDe.Text))
{
ChuaNhapChuDe.Visibility = Visibility.Visible;
conLoi = true;
}
if (string.IsNullOrEmpty(txtGia.Text))
{
ChuaNhapGia.Visibility = Visibility.Visible;
conLoi = true;
}
}
#endregion
if (!conLoi)
{
lvTaiLieu.Items.Clear();
if (cmbTheLoai.SelectedIndex == 0)
{
Sach sach = new Sach();
sach.maTaiLieu = txtMaTaiLieu.Text;
sach.tenTaiLieu = txtTenTaiLieu.Text;
sach.ngayPhatHanh = dtpNgayPhatHanh.SelectedDate.Value;
sach.tenTacGia = txtTenTacGia.Text;
sach.soTrang = txtSoTrang.Text;
sach.theLoai = cmbTheLoai.Text;
sachList.Add(sach);
taiLieuList.Add(sach);
}
else if (cmbTheLoai.SelectedIndex == 1)
{
TapChi tapChi = new TapChi();
tapChi.maTaiLieu = txtMaTaiLieu.Text;
tapChi.tenTaiLieu = txtTenTaiLieu.Text;
tapChi.ngayPhatHanh = dtpNgayPhatHanh.SelectedDate.Value;
tapChi.theLoai = cmbTheLoai.Text;
tapChi.chuDe = txtChuDe.Text;
tapChi.Gia = Convert.ToDouble(txtGia.Text);
tapChiList.Add(tapChi);
taiLieuList.Add(tapChi);
}
txtMaTaiLieu.Clear();
txtTenTacGia.Clear();
txtTenTacGia.Clear();
txtSoTrang.Clear();
txtTenTaiLieu.Clear();
txtChuDe.Clear();
txtGia.Clear();
dtpNgayPhatHanh.SelectedDate = null;
cmbTheLoai.SelectedIndex = -1;
txtMaTaiLieu.Focus();
}
foreach (TaiLieu taiLieu in taiLieuList)
{
lvTaiLieu.Items.Add(taiLieu);
}
}