private async void SelectTimetable(TimetableDescription timetableDescription, Action doAfter)
{
await TimetableIO.SaveTimetable(App.Timetable);
if (deleteWhenChanged != null)
{
await TimetableIO.DeleteTimetable(deleteWhenChanged.FileName);
deleteWhenChanged = null;
}
var timetable = await TimetableIO.LoadTimetable(timetableDescription.FileName);
if (timetable != null)
{
App.Timetable = timetable;
doAfter();
}
}
public async virtual void LoadData()
{
await TimetableIO.SaveTimetable(App.Timetable);
this.timetables = new ObservableCollection<TimetableDescription>((await TimetableIO.LoadAllTimetableDescriptions()).OrderByDescending(p => p.FileName == App.Timetable.FileName).ThenBy(p => p.Name));
this.Timetables = new ReadOnlyObservableCollection<TimetableDescription>(timetables);
NotifyPropertyChanged("Timetables");
this.DeleteCommand = new RelayCommandWithParameter(async p =>
{
var timetable = p as TimetableDescription;
var messageDialog = new MessageDialog(string.Format(Strings.PageSelectTimetableDeleteWarning, timetable.Name), Strings.MessageBoxRemoveCaption);
messageDialog.Commands.Add(new UICommand(Strings.MessageDialogOK, async x =>
{
timetables.Remove(timetable);
if (App.Timetable.FileName == timetable.FileName)
deleteWhenChanged = timetable;
else
await TimetableIO.DeleteTimetable(timetable.FileName);
}));
messageDialog.Commands.Add(new UICommand(Strings.MessageDialogCancel));
await messageDialog.ShowAsync();
});
this.AddCommand = new RelayCommand(async () => {
var timetable = Timetable.CreateNew(Strings.TimetableNewName, await TimetableIO.ReserveNewTimetableFilename());
await TimetableIO.SaveTimetable(timetable);
timetables.Add(new TimetableDescription(timetable.FileName, timetable.Name, 0, 0));
});
this.SettingsCommand = new RelayCommandWithParameter(async p =>
{
var timetable = p as TimetableDescription;
await TimetableIO.CopyTimetable(timetable.FileName);
timetables.Add(new TimetableDescription(timetable.FileName, timetable.Name, timetable.HomeworksCount, timetable.DatesCount));
});
this.SelectCommand = new RelayCommandWithParameter(p => SelectTimetable((TimetableDescription)p, goBack));
this.SettingsCommand = new RelayCommandWithParameter(p => SelectTimetable((TimetableDescription)p, goToSettings));
}