avalonia-viewmodels-zafiro

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Optimal ViewModel and Wizard creation patterns for Avalonia using Zafiro and ReactiveUI.

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Avalonia ViewModels with Zafiro

This skill provides a set of best practices and patterns for creating ViewModels, Wizards, and managing navigation in Avalonia applications, leveraging the power of ReactiveUI and the Zafiro toolkit.

Core Principles

Functional-Reactive Approach: Use ReactiveUI (ReactiveObject, WhenAnyValue, etc.) to handle state and logic.
Enhanced Commands: Utilize IEnhancedCommand for better command management, including progress reporting and name/text attributes.
Wizard Pattern: Implement complex flows using SlimWizard and WizardBuilder for a declarative and maintainable approach.
Automatic Section Discovery: Use the [Section] attribute to register and discover UI sections automatically.
Clean Composition: map ViewModels to Views using DataTypeViewLocator and manage dependencies in the CompositionRoot.

Guides

ViewModels & Commands: Creating robust ViewModels and handling commands.
Wizards & Flows: Building multi-step wizards with SlimWizard.
Navigation & Sections: Managing navigation and section-based UIs.
Composition & Mapping: Best practices for View-ViewModel wiring and DI.

Example Reference

For real-world implementations, refer to the Angor project:

CreateProjectFlowV2.cs: Excellent example of complex Wizard building.
HomeViewModel.cs: Simple section ViewModel using functional-reactive commands.