public ManageLessonsPage(SavedGroup group)
{
InitializeComponent();
Title += $": {group.Name}";
this.group = group;
EventList eventList = EventsDataStore.GetEventsLocal(group.ID);
if (eventList == null)
{
return;
}
List <LessonSettings> lessonSettings = LessonSettingsDataStore.GetLessonSettings(group.ID);
lessons = new ObservableCollection <LessonSettings>
(
eventList.Lessons()
.Select(lesson =>
{
LessonSettings res = lessonSettings.FirstOrDefault(ls => ls.LessonName == lesson)
?? new LessonSettings {
LessonName = lesson
};
res.EventTypes = eventList.EventTypes(lesson).ToList();
return(res);
})
.OrderBy(lesson => lesson.LessonName)
);
LessonsList.ItemsSource = lessons;
if (lessons.Count == 0)
{
NoSourceLayout.IsVisible = true;
}
MessagingCenter.Subscribe <LessonSettingsPage, LessonSettings>(this, "OneLessonSettingsChanged", (sender, newLessonSettings) =>
{
for (int i = 0; i < lessons.Count; i++)
{
if (lessons[i].LessonName == newLessonSettings.LessonName)
{
lessons[i] = newLessonSettings;
lessons[i].NotifyChanged();
break;
}
}
});
}
