Ejemplo n.º 1
0
        private void Init()
        {
            PropertyChanged += (s, e) =>
            {
                // Update IsEditable
                if (e.PropertyName == nameof(Status))
                {
                    OnPropertyChanged(nameof(IsEditable));
                }
                if (e.PropertyName == nameof(Label) || e.PropertyName == nameof(Description) || e.PropertyName == nameof(Type))
                {
                    ((Command)SaveBelegCommand).ChangeCanExecute();
                }
                //OnPropertyChanged(nameof(CanSave));
            };

            SaveBelegCommand = new Command(async() =>
            {
                Beleg beleg = this.GetBusinessObject();
                if (beleg.Thumbnail == null && beleg.Image != null)
                {
                    beleg.Thumbnail = await BelegService.CreateThumbnail(beleg.Image);
                }
                var result = Storage.Database.StoreBeleg(beleg).Result;
                if (result > 0)
                {
                    Callback();
                }
            }, () => CanSave);

            StartCameraCommand = new Command(async() =>
            {
                var img = await ImageServices.CaptureImage();
                Image   = ConvertStreamToByteArray(img);
            });

            SelectPictureCommand = new Command(async() =>
            {
                var img = await ImageServices.SelectImage();
                Image   = ConvertStreamToByteArray(img);
            });

            AddValidations();
        }
Ejemplo n.º 2
0
 public static void UpdateStaticValues()
 {
     BelagTypes = BelegService.GetTypeList().Result.ToList();
 }
Ejemplo n.º 3
0
        public BelegMasterViewModel(INavigation navigation, Beleg[] belegList)
        {
            selectMode = false;

            SelectBelegeCommand = new Command(() =>
            {
                selectMode = !selectMode;
                if (!selectMode)
                {
                    resetSelectedBelege();
                }
            });

            ExportBelegeCommand = new Command(async() =>
            {
                if (!selectMode)
                {
                    return;
                }

                Beleg[] selectedBelege = getSelectedBelege().ToArray();

                await new BelegServiceHelper().ExportBelege(selectedBelege);

                resetSelectedBelege();
                selectMode = false;
            });

            DeleteBelegeCommand = new Command(async() =>
            {
                if (!selectMode)
                {
                    return;
                }

                Beleg[] selectedBelege = getSelectedBelege().ToArray();
                int[] belegNummern     = new int[selectedBelege.Length];
                for (int ix = 0; ix < selectedBelege.Length; ++ix)
                {
                    belegNummern[ix] = selectedBelege[ix].Belegnummer.Value;
                }

                await BelegService.DeleteBelege(BelegService.USER, belegNummern);
                await Storage.Database.RemoveBelege(selectedBelege);

                resetSelectedBelege();
                selectMode = false;
            });

            AddNewBelegCommand = new Command(() =>
            {
                navigation.PushAsync(new DetailPage(null, navigation));
            });

            Belege = new ObservableCollection <BelegDetailsViewModel>(); // Ladeoperation von Service

            if (belegList != null)
            {
                foreach (Beleg beleg in belegList)
                {
                    _belege.Add(new BelegDetailsViewModel(beleg));
                }
            }
        }