protected override void LoadData()
{
try {
ErrorMsg = string.Empty;
InfoMsg = string.Empty;
IscmdNewRegisterVisible = false;
RoleList = new ObservableCollection <string>();
var lip = _DataService.LoggedInUser as PersonDetails;
if (lip == null)
{
RoleList.Add("Diák");
IsCancelCommandVisible = true;
}
else
{
RoleList.Add("Diák");
RoleList.Add("Tanár");
RoleList.Add("Admin");
IsCancelCommandVisible = false;
}
NewPersonInst = NewPerson.Create();
RegisterCommand.RaiseCanExecuteChanged();
}
catch (SessionExpiredException) {
MessengerInstance.Send <NavigationMessage>(new NavigationMessage {
View = ViewEnum.Login, UserState = "SessionExpired"
});
}
}
private async void PickPhotoCommandExecute()
{
try
{
var action = await DisplayPictureAlert();
var pictureService = Xamarin.Forms.DependencyService.Get <PictureService>();
var file = await pictureService.GetPicture(action);
if (file != null)
{
using (var memoryStream = new MemoryStream())
{
file.GetStream().CopyTo(memoryStream);
file.Dispose();
Image = memoryStream.ToArray();
RegisterCommand.RaiseCanExecuteChanged();
}
}
}
catch (Exception ex)
{
await _dialogService.DisplayAlertAsync("Erro", ex.Message, "Fechar");
}
}
private void ExecuteRemove(User user)
{
//TODO: confirmation popup dialog
db.Users.Remove(user);
db.SaveChanges();
FetchModels();
RegisterCommand.RaiseCanExecuteChanged();
}
private void _expense_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
switch (e.PropertyName)
{
case "IsValid":
RegisterCommand.RaiseCanExecuteChanged();
break;
}
}
void Settings_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName == GetMemberName(() => Settings.AdmiralID))
{
Settings.IsAuthorized = false;
Settings.Password = null;
StopSending();
}
RegisterCommand.RaiseCanExecuteChanged();
}
private void This_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
PreviousCommand.RaiseCanExecuteChanged();
NextCommand.RaiseCanExecuteChanged();
RegisterCommand.RaiseCanExecuteChanged();
}