ShrlAlgoToolkit/WPFluent/Services/NavigationService.cs




using WPFluent.Abstractions;
using WPFluent.Controls;

namespace WPFluent;

/// <summary>
/// A service that provides methods related to navigation.
/// </summary>
public partial class NavigationService(INavigationViewPageProvider pageProvider) : INavigationService
{
    protected void ThrowIfNavigationControlIsNull()
    {
        if(NavigationControl is null)
        {
            throw new ArgumentNullException(nameof(NavigationControl));
        }
    }

    /// <summary>
    /// Gets or sets the control representing navigation.
    /// </summary>
    protected INavigationView? NavigationControl { get; set; }

    /// <inheritdoc/>
    public INavigationView GetNavigationControl()
    { return NavigationControl ?? throw new ArgumentNullException(nameof(NavigationControl)); }

    /// <inheritdoc/>
    public bool GoBack()
    {
        ThrowIfNavigationControlIsNull();

        return NavigationControl!.GoBack();
    }

    /// <inheritdoc/>
    public bool Navigate(Type pageType)
    {
        ThrowIfNavigationControlIsNull();

        return NavigationControl!.Navigate(pageType);
    }

    /// <inheritdoc/>
    public bool Navigate(string pageTag)
    {
        ThrowIfNavigationControlIsNull();

        return NavigationControl!.Navigate(pageTag);
    }

    /// <inheritdoc/>
    public bool Navigate(Type pageType, object? dataContext)
    {
        ThrowIfNavigationControlIsNull();

        return NavigationControl!.Navigate(pageType, dataContext);
    }

    /// <inheritdoc/>
    public bool Navigate(string pageTag, object? dataContext)
    {
        ThrowIfNavigationControlIsNull();

        return NavigationControl!.Navigate(pageTag, dataContext);
    }

    /// <inheritdoc/>
    public bool NavigateWithHierarchy(Type pageType)
    {
        ThrowIfNavigationControlIsNull();

        return NavigationControl!.NavigateWithHierarchy(pageType);
    }

    /// <inheritdoc/>
    public bool NavigateWithHierarchy(Type pageType, object? dataContext)
    {
        ThrowIfNavigationControlIsNull();

        return NavigationControl!.NavigateWithHierarchy(pageType, dataContext);
    }

    /// <inheritdoc/>
    public void SetNavigationControl(INavigationView navigation)
    {
        NavigationControl = navigation;
        NavigationControl.SetPageProviderService(pageProvider);
    }
}