using System;
using System.Collections.Generic;
using TBF.BenchControl;

namespace TBF.BenchControl.Operations
{
	public class MessageBoxOp : IOperation
	{
        MessageBoxForm modelessDlg;

		string question;

		/// <returns>Reference to the operation</returns>
		public MessageBoxOp()
		{
		}

		public MessageBoxOp(string question)
		{
			this.question = question;
		}

        delegate void AskYesNoFormDlgt(MessageBoxOp myRef);
        /// 
        void OpenFormDlg(MessageBoxOp myRef)
        {
			myRef.modelessDlg = new MessageBoxForm();
			myRef.modelessDlg.Question = this.question;
            modelessDlg.Show();
        }

		/// <summary>Start this operation</summary>
		public void Start()
		{
            Program.MainWnd.Invoke(new AskYesNoFormDlgt(OpenFormDlg), this);
		}

		/// <summary>Run this operation</summary>
		/// <returns>Event.ResultsPrinted</returns>
		public Event Run()
		{
			if (modelessDlg.CompletedYes) return Event.Yes;
			if (modelessDlg.CompletedNo) return Event.No;
			return Event.None;
		}

		/// <summary>Stop this operation</summary>
		public void Stop()
		{
            modelessDlg = null;
		}
	}
}