public AddHomework()
{
InitializeComponent();
doneButton.Click += async (s, e) => {
if (string.IsNullOrWhiteSpace(name.Text)) {
await new MessageDialog("One or more of the fields contains invalid content.", "Error").ShowAsync();
}
else {
await Homework.CreateAsync(Name, Description, Kind, DueDate, Owner);
Frame.GoBack();
}
};
if (kind.SelectedIndex == -1) kind.SelectedIndex = 0;
name.TextChanged += (s, e) => {
if (!string.IsNullOrWhiteSpace(name.Text))
Name = name.Text;
UpdateDemo();
};
desc.TextChanged += (s, e) => {
Description = string.IsNullOrWhiteSpace(desc.Text) ? null : desc.Text;
UpdateDemo();
};
kind.SelectionChanged += (s, e) => {
Kind = (HomeworkKind)Enum.Parse(typeof(HomeworkKind), (kind.SelectedItem as ComboBoxItem).Content as string);
UpdateDemo();
};
due.DateChanged += (s, e) => {
DueDate = due.Date.DateTime;
UpdateDemo();
};
UpdateDemo();
}
public static async Task<Homework> CreateAsync(string name, string desc, HomeworkKind k, DateTime due, Class o) {
var hw = new Homework() {
Owner = o,
Name = name,
Description = desc,
Kind = k,
Status = HomeworkStatus.Incomplete,
FinalGrade = null,
DueDate = due,
TurnedInDate = null
};
hw.Owner.Homework.Add(hw);
await hw.Owner.Commit();
return hw;
}
public Demo(string n, string d, HomeworkKind k, DateTime dd) {
Name = n;
Description = d;
Kind = k;
DueDate = dd;
}
