using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;

namespace Tango.SharedUI.Controls
{
    /// <summary>
    /// Represents an extended view user control useful MVVM pattern.
    /// </summary>
    /// <seealso cref="System.Windows.Controls.UserControl" />
    /// <seealso cref="Tango.SharedUI.IView" />
    public class View : UserControl, IView
    {
        /// <summary>
        /// Occurs when the view is loaded and view model is defined as data context.
        /// </summary>
        public event EventHandler<IView> ViewAttached;

        /// <summary>
        /// Gets or sets a static instance of this view.
        /// </summary>
        public static IView Self { get; set; }

        /// <summary>
        /// Initializes a new instance of the <see cref="View"/> class.
        /// </summary>
        public View()
        {
            Self = this;
            Loaded += View_Loaded;
        }

        /// <summary>
        /// Handles the Loaded event of the View control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="RoutedEventArgs"/> instance containing the event data.</param>
        private void View_Loaded(object sender, RoutedEventArgs e)
        {
            ViewAttached?.Invoke(this, this);
        }
    }
}