using System;

namespace Terminal.Gui {
	/// <summary>
	/// An <see cref="EventArgs"/> which allows passing a cancelable menu opening event or replacing with a new <see cref="MenuBarItem"/>.
	/// </summary>
	public class MenuOpeningEventArgs : EventArgs {
		/// <summary>
		/// The current <see cref="MenuBarItem"/> parent.
		/// </summary>
		public MenuBarItem CurrentMenu { get; }

		/// <summary>
		/// The new <see cref="MenuBarItem"/> to be replaced.
		/// </summary>
		public MenuBarItem NewMenuBarItem { get; set; }
		/// <summary>
		/// Flag that allows the cancellation of the event. If set to <see langword="true"/> in the
		/// event handler, the event will be canceled. 
		/// </summary>
		public bool Cancel { get; set; }

		/// <summary>
		/// Initializes a new instance of <see cref="MenuOpeningEventArgs"/>.
		/// </summary>
		/// <param name="currentMenu">The current <see cref="MenuBarItem"/> parent.</param>
		public MenuOpeningEventArgs (MenuBarItem currentMenu)
		{
			CurrentMenu = currentMenu;
		}
	}
}