private async Task <List <School> > GetListContent()
{
db.DatabaseManagerAsync database = new db.DatabaseManagerAsync();
InitializeComponent();
var progressBar = this.FindByName <ProgressBar>("progressBar");
progressBar.IsVisible = true;
if (!await db.DatabaseManagerAsync.TableExists <School>(database.connection) ||
!await db.DatabaseManagerAsync.TableExists <CalendarDay>(database.connection))
{
await progressBar.ProgressTo(0.3, 100, Easing.Linear);
database.CreateNewDatabase();
skolerute.db.CSVParser parser = new db.CSVParser(Constants.URL, database);
await parser.RetrieveSchools();
await progressBar.ProgressTo(0.7, 250, Easing.Linear);
}
List <School> allSchools = new List <School>();
try
{
allSchools = await database.GetSchools();
await progressBar.ProgressTo(1, 250, Easing.Linear);
schools.ItemsSource = allSchools;
progressBar.IsVisible = false;
GetCoords.IsEnabled = true;
return(allSchools);
}
catch (System.Net.WebException e)
{
await DisplayAlert("Internett problemer", "Kunne ikke hente ned skolene, prøv igjen senere.", "Ok");
return(null);
}
catch (Exception e)
{
await DisplayActionSheet("Feil", "En feil oppstod, prøv igjen.", "Ok");
progressBar.IsVisible = false;
return(null);
}
}
// Event triggered when a school in the list is selected
public async void OnSelection(object sender, SelectedItemChangedEventArgs e)
{
if (e.SelectedItem == null)
{
return; //ItemSelected is called on deselection, which results in SelectedItem being set to null
}
string skolenavn = "";
School school = null;
if ((e.SelectedItem).GetType() == typeof(string))
{
skolenavn = (string)(e.SelectedItem);
int index = skolenavn.IndexOf(':');
skolenavn = skolenavn.Remove(index, (skolenavn.Length) - index);
school = allSchools.Find(y => y.name == skolenavn);
}
else
{
school = (School)e.SelectedItem;
skolenavn = school.name;
}
var action = await DisplayActionSheet("Du valgte: " + skolenavn, "Legg til", "Avbryt");
if (action != null)
{
string actionNavn = action.ToString();
if (actionNavn == "Legg til")
{
// Get calendar for chosen school
if (!mySchools.Contains(skolenavn))
{
mySchools.Add(skolenavn);
mineskoler.ItemsSource = mySchools;
if (SettingsManager.GetPreference("i") == null)
{
await SettingsManager.SavePreferenceAsync("i", true);
foreach (School x in allSchools)
{
await SettingsManager.SavePreferenceAsync(x.ID.ToString(), false);
}
await SettingsManager.SavePreferenceAsync(school.ID.ToString(), true);
}
else
{
await SettingsManager.SavePreferenceAsync(school.ID.ToString(), true);
}
}
MessagingCenter.Send(this, "newSchoolSelected");
db.DatabaseManagerAsync database = new db.DatabaseManagerAsync();
db.CSVParser parser = new db.CSVParser(Constants.URL, database);
((ListView)sender).SelectedItem = null;
try
{
await parser.RetrieveCalendar(school);
MessagingCenter.Send(this, "choosenSch", school);
}
catch (System.Net.WebException exception)
{
await DisplayAlert("Problem med internett", "Kunne ikke laste ned skoleruten, prøv igjen senere", "Ok");
}
}
}
((ListView)sender).SelectedItem = null;
}
