Shrlalgo.RvKits/WPFluent/Controls/Card/Card.cs

namespace WPFluent.Controls;

/// <summary>
/// Simple Card with content and <see cref="Footer"/>.
/// </summary>
public class Card : System.Windows.Controls.ContentControl
{
    /// <summary>
    /// Identifies the <see cref="Footer"/> dependency property.
    /// </summary>
    public static readonly DependencyProperty FooterProperty = DependencyProperty.Register(
        nameof(Footer),
        typeof(object),
        typeof(Card),
        new PropertyMetadata(null, OnFooterChanged));

    /// <summary>
    /// Identifies the <see cref="HasFooter"/> dependency property.
    /// </summary>
    public static readonly DependencyProperty HasFooterProperty = DependencyProperty.Register(
        nameof(HasFooter),
        typeof(bool),
        typeof(Card),
        new PropertyMetadata(false));

    private static void OnFooterChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
    {
        if (d is not Card control)
        {
            return;
        }

        control.SetValue(HasFooterProperty, control.Footer != null);
    }

    /// <summary>
    /// Gets or sets additional content displayed at the bottom.
    /// </summary>
    public object? Footer { get => GetValue(FooterProperty); set => SetValue(FooterProperty, value); }

    /// <summary>
    /// Gets a value indicating whether the <see cref="Card"/> has a <see cref="Footer"/>.
    /// </summary>
    public bool HasFooter
    {
        get => (bool)GetValue(HasFooterProperty);
        internal set => SetValue(HasFooterProperty, value);
    }
}