bool selectClassCarVM_Update(SelectClassVM vm)
{
try
{
var settings = FileHelper.ReadSettings();
if (settings.SelectCourseCar == null)
{
return(false);
}
else
{
var item = settings.SelectCourseCar.Where(t => t.TeachClassId == vm.TeachClassId).SingleOrDefault();
if (item == null)
{
return(false);
}
else
{
var index = settings.SelectCourseCar.IndexOf(item);
settings.SelectCourseCar[index] = vm;
FileHelper.WriteSettings(settings);
return(true);
}
}
}
catch
{
return(false);
}
}
private void btu_addToSelectCar_Click(object sender, RoutedEventArgs e)
{
Button btu = sender as Button;
string TeachClassId = btu.CommandParameter as string;
SelectClassVM cla = selectClassVM.Where(
t => t.TeachClassId == TeachClassId).SingleOrDefault();
var settings = FileHelper.ReadSettings();
if (settings.SelectCourseCar == null)
{
settings.SelectCourseCar = new List <SelectClassVM>();
settings.SelectCourseCar.Add(cla);
FileHelper.WriteSettings(settings);
}
else
{
if (settings.SelectCourseCar.Where(t => t.TeachClassId == cla.TeachClassId).Count()
== 0)
{
settings.SelectCourseCar.Add(cla);
FileHelper.WriteSettings(settings);
MessageBox.Show("加入选课车成功");
}
else
{
MessageBox.Show("该课程已存在于选课车");
}
}
}
private async Task RefreshSelectCarStatus(SelectClassVM item = null)
{
try
{
await RefreshSheet();
if (item == null)
{
var selected = selectedClassVM.ToList();
var list = selectClassCarVM.ToList();
for (int i = 0; i < list.Count; i++)
{
var cla = list[i];
var count = selected.Where(t => t.TeachClassId == cla.TeachClassId).Count();
cla.SelectStatus = (count == 0) ? "未选上" : "已成功";
selectClassCarVM_Update(cla);
await RrefreshSelectCar();
}
}
else
{
var selected = selectedClassVM.ToList();
var count = selected.Where(t => t.TeachClassId == item.TeachClassId).Count();
item.SelectStatus = (count == 0) ? "未选上" : "已成功";
selectClassCarVM_Update(item);
await RrefreshSelectCar();
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
