private async void AddItem(AddHomeworkViewModel.ItemType type)
{
if (MainScreenViewModel.Classes == null || MainScreenViewModel.Classes.Count == 0)
{
await new PortableMessageDialog("You don't have any classes. Make sure you've opened a semester that has classes.", "No classes").ShowAsync();
return;
}
MainScreenViewModel.ShowPopup(AddHomeworkViewModel.CreateForAdd(MainScreenViewModel, new AddHomeworkViewModel.AddParameter()
{
SemesterIdentifier = MainScreenViewModel.CurrentSemesterId,
Classes = MainScreenViewModel.Classes,
SelectedClass = null,
Type = type,
DueDate = DateTime.Today
}));
RemoveViewModel();
}
public static AddHomeworkViewModel CreateForEdit(BaseViewModel parent, EditParameter editParams)
{
AccountDataItem account = parent.FindAncestor <MainWindowViewModel>()?.CurrentAccount;
if (account == null)
{
throw new NullReferenceException("CurrentAccount was null");
}
ViewItemClass c = null;
ItemType type;
if (editParams.Item is ViewItemHomework)
{
var h = editParams.Item as ViewItemHomework;
c = h.Class;
type = ItemType.Homework;
}
else if (editParams.Item is ViewItemExam)
{
var e = editParams.Item as ViewItemExam;
c = e.Class;
type = ItemType.Exam;
}
else
{
throw new NotImplementedException("editParams.Item wasn't of any of the expected types");
}
if (type == ItemType.Homework || type == ItemType.Exam)
{
if (c == null)
{
throw new NullReferenceException("Class of the item was null. Item id " + editParams.Item.Identifier);
}
if (c.Semester == null)
{
throw new NullReferenceException("Semester of the class was null. Item id " + editParams.Item.Identifier);
}
if (c.Semester.Classes == null)
{
throw new NullReferenceException("Classes of the semester was null. Item id " + editParams.Item.Identifier);
}
}
var model = new AddHomeworkViewModel(parent)
{
Account = account,
State = OperationState.Editing,
EditParams = editParams,
Name = editParams.Item.Name,
Classes = GetClassesWithNoClassClass(c.Semester.Classes),
Date = editParams.Item.Date.Date,
Details = editParams.Item.Details,
Type = type,
ImageNames = editParams.Item.ImageNames.ToArray(),
Class = c // Assign class last, since it also assigns weight categories
};
// Assign existing image attachments
model.ImageAttachments = new ObservableCollection <BaseEditingImageAttachmentViewModel>(editParams.Item.ImageNames.Select(i => new EditingExistingImageAttachmentViewModel(model, i)));
switch (editParams.Item.GetActualTimeOption())
{
case DataItemMegaItem.TimeOptions.AllDay:
model.SelectedTimeOption = model.TimeOption_AllDay;
break;
case DataItemMegaItem.TimeOptions.BeforeClass:
model.SelectedTimeOption = model.TimeOption_BeforeClass;
break;
case DataItemMegaItem.TimeOptions.Custom:
model._startTime = new TimeSpan(editParams.Item.Date.Hour, editParams.Item.Date.Minute, 0);
model._endTime = editParams.Item.EndTime.TimeOfDay;
model.SelectedTimeOption = model.TimeOption_Custom;
break;
case DataItemMegaItem.TimeOptions.DuringClass:
model.SelectedTimeOption = model.TimeOption_DuringClass;
break;
case DataItemMegaItem.TimeOptions.EndOfClass:
model.SelectedTimeOption = model.TimeOption_EndOfClass;
break;
case DataItemMegaItem.TimeOptions.StartOfClass:
model.SelectedTimeOption = model.TimeOption_StartOfClass;
break;
}
// We don't want to consider setting the initial time option as the user configuring the time option
model._userChangedSelectedTimeOption = false;
return(model);
}