MARKUS

using System;

using System.Diagnostics;

namespace Markus.Service.StationController.Controls

{

    class TraceTextSource : TraceListener

    {

        public ITraceTextSink Sink { get; private set; }

        private bool _fail;

        private TraceEventType _eventType = TraceEventType.Information;

        public TraceTextSource(ITraceTextSink sink)

        {

            Debug.Assert(sink != null);

            Sink = sink;

        }

        public override void Fail(string message)

        {

            _fail = true;

            base.Fail(message);

        }

        public override void TraceEvent(TraceEventCache eventCache, string source, TraceEventType eventType, int id, string message)

        {

            _eventType = eventType;

            base.TraceEvent(eventCache, source, eventType, id, message);

        }

        public override void Write(string message)

        {

            if (IndentLevel > 0)

                message = message.PadLeft(IndentLevel + message.Length, '\t');

            if (_fail)

                Sink.Fail(message);

            else

                Sink.Event(message, _eventType);

            _fail = false;

            _eventType = TraceEventType.Information;

        }

        public override void WriteLine(string message)

        {

            Write(message + "\n");

        }

    }

}