james-russo / xamarinforms-unobtrusivevalidationplugin Goto Github PK

    public static BindableProperty ItemDisplayBindingProperty = BindableProperty.Create(
        nameof(ItemDisplayBinding),
        typeof(BindingBase),
        typeof(ValidatablePicker));

    public BindingBase ItemDisplayBinding
    {
        get => _picker.ItemDisplayBinding;
        set => _picker.ItemDisplayBinding = value;
    }
    /// <summary>
    /// </summary>
    public ValidatablePicker()
    {
        _picker.BindingContext = this;
        _picker.SetBinding(Picker.ItemsSourceProperty, nameof(ItemsSource));
        _picker.SetBinding(Picker.TitleProperty, nameof(Title));
        _picker.SetBinding(Picker.SelectedIndexProperty, nameof(SelectedIndex));

        _picker.ItemDisplayBinding = ItemDisplayBinding;

        Children.Add(_picker);

        _errorLabel.SetBinding(IsVisibleProperty, nameof(IsInValid));
        _errorLabel.SetBinding(Label.TextProperty, nameof(Message));
        _errorLabel.BindingContext = this;
        _errorLabel.TextColor = Color.Red;

        Children.Add(_errorLabel);
    }

                    <controls:ValidatablePicker
                SelectedIndex="{Binding Model.TypeSelectedIndex, Mode=TwoWay}"
                ItemsSource="{Binding AssetTypes}"
                ItemDisplayBinding="{Binding Description}"
                BindingName="AssetTypeId"
                Title="Select asset type"
                />

        public ValidationResult GetValidationResult()
        {
            var attributeFactory = new AttributedValidatorFactory();
            var type = GetType();
            var validator = attributeFactory.GetValidator(type);
            var results = validator.Validate(this);
            return results;
        }