using System;
using System.Collections.Generic;

namespace CPF.ReoGrid.Common
{
	public class Logger
	{
		internal static Logger Instance
		{
			get
			{
				return Logger.instance;
			}
		}

		private Logger()
		{
			this.writters.Add(new ConsoleLogger());
		}

		public static void RegisterWritter(ILogWritter writter)
		{
			Logger.instance.writters.Add(writter);
		}

		public static void Off()
		{
			Logger.instance.turnSwitch = false;
		}

		public static void On()
		{
			Logger.instance.turnSwitch = true;
		}

		public static void Log(string cat, string format, params object[] args)
		{
			Logger.Log(cat, string.Format(format, args));
		}

		public static void Log(string cat, string msg)
		{
			Logger.instance.WriteLog(cat, msg);
		}

		public void WriteLog(string cat, string msg)
		{
			bool flag = this.turnSwitch;
			if (flag)
			{
				this.writters.ForEach(delegate(ILogWritter w)
				{
					w.Log(cat, msg);
				});
			}
		}

		private static readonly Logger instance = new Logger();

		private List<ILogWritter> writters = new List<ILogWritter>();

		private bool turnSwitch = true;
	}
}