https://github.com/Karnah/ReactiveValidation

A small validation library for WPF and Avalonia which uses a fluent interface and allows display messages near controls in GUI with MVVM
https://github.com/Karnah/ReactiveValidation

avalonia validation wpf xaml

Last synced: 3 months ago
JSON representation

A small validation library for WPF and Avalonia which uses a fluent interface and allows display messages near controls in GUI with MVVM

• Host: GitHub
• URL: https://github.com/Karnah/ReactiveValidation
• Owner: Karnah
• License: mit
• Created: 2018-04-25T17:41:34.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2024-01-02T17:43:32.000Z (10 months ago)
• Last Synced: 2024-07-21T18:29:27.370Z (4 months ago)
• Topics: avalonia, validation, wpf, xaml
• Language: C#
• Homepage:
• Size: 479 KB
• Stars: 70
• Watchers: 3
• Forks: 10
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

• awesome-avalonia - ReactiveValidation - Validating properties with messages on UI using fluent-style rules. (Libraries & Extensions / MVVM & MVP & MVU)

README

        
# ReactiveValidation

A small validation library for WPF and Avalonia which uses a fluent interface and allows display messages near controls in GUI with MVVM.

Inspired [FluentValidation](https://github.com/JeremySkinner/FluentValidation) by Jeremy Skinner.

## Sample

```csharp

public class CarViewModel : ValidatableObject

{

    public CarViewModel()

    {

        Validator = GetValidator();

    }

    private IObjectValidator GetValidator()

    {

        var builder = new ValidationBuilder();

        builder.RuleFor(vm => vm.Make).NotEmpty();

        builder.RuleFor(vm => vm.Model).NotEmpty().WithMessage("Please specify a car model");

        builder.RuleFor(vm => vm.Mileage).GreaterThan(0).When(model => model.HasMileage);

        builder.RuleFor(vm => vm.Vin).Must(BeAValidVin).WithMessage("Please specify a valid VIN");

        builder.RuleFor(vm => vm.Description).Length(10, 100);

        return builder.Build(this);

    }

    private bool BeAValidVin(string vin)

    {

        // Custom vin validating logic goes here.

    }

    // Properties with realization INotifyPropertyChanged goes here.

}

```

## WPF

* [Quick start](https://github.com/Karnah/ReactiveValidation/wiki/WPF.-Quick-start)

* [Project with samples](https://github.com/Karnah/ReactiveValidation/tree/master/src/ReactiveValidation.Wpf.Samples)

## Avalonia

* [Quick start](https://github.com/Karnah/ReactiveValidation/wiki/Avalonia.-Quick-start)

* [Project with samples](https://github.com/Karnah/ReactiveValidation/tree/master/src/ReactiveValidation.Avalonia.Samples)

## Documentation

About all features you can read in the [documentation](https://github.com/Karnah/ReactiveValidation/wiki).