Signum Framework Principles

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Signum.Utilities
{
    public static class SafeConsole
    {
        public static readonly object SyncKey = new object();
        public static bool needToClear = false;

        public static void WriteLine()
        {
            WriteLine("");
        }

        public static void WriteLine(string format, params object[] parameters)
        {
            string str = FormatString(format, parameters);
            lock (SyncKey)
            {
                Console.WriteLine(str);
                needToClear = false;
            }
        }

        public static void Write(string format, params object[] parameters)
        {
            string str = FormatString(format, parameters);

            lock (SyncKey)
                Console.Write(str);
        }

        public static void WriteLineColor(ConsoleColor color, string format, params object[] parameters)
        {
            string str = FormatString(format, parameters);
            lock (SyncKey)
            {
                ConsoleColor old = Console.ForegroundColor;
                Console.ForegroundColor = color;
                Console.WriteLine(str);
                Console.ForegroundColor = old;
            }
        }

        public static void WriteSameLine(string format, params object[] parameters)
        {
            string str = FormatString(format, parameters);
            lock (SyncKey)
            {
                Console.WriteLine(str);
                Console.SetCursorPosition(Console.CursorLeft, Console.CursorTop - 1);
                needToClear = true;
            }
        }

        static string FormatString(string format, object[] parameters)
        {
            
            string s = string.Format(format, parameters);
            if (needToClear)
                s = s.PadRight(Console.WindowWidth - 2);
            return s;
        }
    }
}