private async void MenuItemDelete_Clicked(object sender, EventArgs e)
{
var menuItem = sender as MenuItem;
var person = menuItem.CommandParameter as Person;
if (await DisplayAlert("Uwaga", "Czy jesteś pewny, że chcesz skasować osobę: "
+ person.Name + " "
+ person.Surname, "Kasuj", "Anuluj"))
{
if (!String.IsNullOrEmpty(person.Photo))
{
var file = await FileSystem.Current.GetFileFromPathAsync(person.Photo);
if (file != null)
{
await file.DeleteAsync();
}
}
await _connection.DeleteAsync(person);
PersonsList.Remove(person);
StudentList.ItemsSource = PersonsList;
if (!String.IsNullOrWhiteSpace(searchbar.Text))
{
searchbar.Text = "";
}
StudentList.EndRefresh();
}
}
private void Searchbar_TextChanged(object sender, TextChangedEventArgs e)
{
StudentList.BeginRefresh();
if (String.IsNullOrWhiteSpace(e.NewTextValue))
{
StudentList.ItemsSource = PersonsList;
}
else
{
StudentList.ItemsSource = PersonsList.Where <Person>(i => i.Name.ToLower().StartsWith(e.NewTextValue.ToLower()) ||
i.Surname.ToLower().StartsWith(e.NewTextValue.ToLower()) || i.Pseudo != null && (i.Pseudo.ToLower().StartsWith(e.NewTextValue.ToLower())));
}
StudentList.EndRefresh();
}
private void StudentList_Refreshing(object sender, EventArgs e)
{
UpdateListview();
StudentList.EndRefresh();
}
