///
/// Copyright (c) 2013-2015 Sensus Metering Systems
///
using System;
using System.Collections.Generic;
using Results.Entities;
using Results.Resources;

namespace Results
{
	public class ItemSpec
	{
		///
		/// Public fields
		///
		public readonly string Name;			/// Name-s of all items must be unique
		public readonly string ClmnHeaderText;	/// Text printed in the column header


		///
		/// Function to pick a MeterTestResult field and convert it into a string
		/// 
		public delegate string PrintDlgt(MeterTestRslt meterTestRslt);

		///
		/// Function to pick a MeterTestResult field and convert it into a string
		///
		public delegate string PrintCompoundDlgt(MeterTestRslt mainMtrTestResult,
												 MeterTestRslt auxMtrTestResult,
												 MeterTestRslt compoundMtrTestResult);

		///
		/// Function to pick a MeterTestResult field and convert it into a string
		///
		public delegate string PrintHeatMeterDlgt(MeterTestRslt volumeTestResult,
												  MeterTestRslt energyTestResult);

		private readonly PrintDlgt printDlgt;
		private readonly PrintCompoundDlgt printCompoundDlgt;
		private readonly PrintHeatMeterDlgt printHeatMeterDlgt;

		public bool CanPrintSingle        { get { return (printDlgt != null); } }
		public bool CanPrintCompoundMeter { get { return (printCompoundDlgt != null); } }
		public bool CanPrintHeatMeter     { get { return (printHeatMeterDlgt != null); } }

		/// <summary> Safe wrapper which replaces null-s by empty strings </summary>
		public string Print(MeterTestRslt meterTestRslt)
		{
            string str = null;
            if (printDlgt != null) str = printDlgt(meterTestRslt);
			return (str == null) ? string.Empty : str;
		}

		/// <summary> Safe wrapper which replaces null-s by empty strings </summary>
		public string PrintCombined(MeterTestRslt mainMtrTestResult,
									MeterTestRslt auxMtrTestResult,
									MeterTestRslt compoundMtrTestResult)
		{
            string str = null;
            if (printCompoundDlgt != null) str = printCompoundDlgt(mainMtrTestResult, auxMtrTestResult, compoundMtrTestResult);
			return (str == null) ? string.Empty : str;
		}

		/// <summary> Safe wrapper which replaces null-s by empty strings </summary>
		public string PrintHeatMeter(MeterTestRslt volumeTestResult,
									 MeterTestRslt energyTestResult)
		{
            string str = null;
            if (printHeatMeterDlgt != null) str = printHeatMeterDlgt(volumeTestResult, energyTestResult);
			return (str == null) ? string.Empty : str;
		}


		///
		/// Public constructor
		///
		public ItemSpec(string name, string clmnHeaderText, PrintDlgt printDlgt, PrintCompoundDlgt printCombinedDlgt, PrintHeatMeterDlgt printHeatMeterDlgt)
		{
			Name = name;
			ClmnHeaderText = clmnHeaderText;
			this.printDlgt = printDlgt;
			this.printCompoundDlgt = printCombinedDlgt;
			this.printHeatMeterDlgt = printHeatMeterDlgt;
		}


		/// Static list of all available items
		public static readonly IList<ItemSpec> AllItems;

		/// Static constructor that initializes the list of all items
		static ItemSpec()
		{
			AllItems = new List<ItemSpec>();

			/// Common
		
			//AllItems.Add(new ResultItemSpec("Bench ID",   "Bench ID",              x => x.BenchID,                                (x, y, z) => x.BenchID));
			AllItems.Add(new ItemSpec("Test name", Strings.Test, x => x.Name(), (x, y, z) => z.Name(), (x, z) => z.Name()));
			AllItems.Add(new ItemSpec("Procedure name", Strings.Procedure, x => x.ProcedureName(), (x, y, z) => z.ProcedureName(), (x, z) => z.ProcedureName()));
			AllItems.Add(new ItemSpec("Batch number", Strings.Batch_nr, x => x.BatchNr().ToString(), (x, y, z) => z.BatchNr().ToString(), (x, z) => z.BatchNr().ToString()));
			AllItems.Add(new ItemSpec("Test method", Strings.Test_method, x => x.Method(), (x, y, z) => z.Method(), (x, z) => z.Method()));
			AllItems.Add(new ItemSpec("Density", Strings.Density, x => x.DensityOut().ToString("F1"), (x, y, z) => z.DensityOut().ToString("F1"), (x, z) => z.DensityOut().ToString("F1")));	/// [kg/m3]

			/// Target values
			AllItems.Add(new ItemSpec("Q from", Strings.Q_from + " [m3/h]", x => x.Qfrom().ToString("F3"), (x, y, z) => z.Qfrom().ToString("F3"), (x, z) => z.Qfrom().ToString("F3")));
			AllItems.Add(new ItemSpec("Q to", Strings.Q_to + " [m3/h]", x => x.Qto().ToString("F3"), (x, y, z) => z.Qto().ToString("F3"), (x, z) => z.Qto().ToString("F3")));
			AllItems.Add(new ItemSpec("Test volume", Strings.Test_vol + " [l]", x => x.TargetVolume().ToString("F1"), (x, y, z) => z.TargetVolume().ToString("F1"), (x, z) => z.TargetVolume().ToString("F1")));
			AllItems.Add(new ItemSpec("Error limit Lo", Strings.ErrLimLo + " [%]", x => x.ErrLimLo().ToString("F1"), (x, y, z) => z.ErrLimLo().ToString("F1"), (x, z) => z.ErrLimLo().ToString("F1")));
			AllItems.Add(new ItemSpec("Error limit Hi", Strings.ErrLimHi + " [%]", x => x.ErrLimHi().ToString("F1"), (x, y, z) => z.ErrLimHi().ToString("F1"), (x, z) => z.ErrLimHi().ToString("F1")));
			AllItems.Add(new ItemSpec("Uncertainty", Strings.Uncertainty + " [%]", x => x.Uncertainty().ToString("F2"), (x, y, z) => z.Uncertainty().ToString("F2"), (x, z) => z.Uncertainty().ToString("F2")));

			/// Test results
			AllItems.Add(new ItemSpec("Test start time", Strings.T_start, x => x.StartTime().ToShortTimeString(), (x, y, z) => z.StartTime().ToShortTimeString(), (x, z) => z.StartTime().ToShortTimeString()));
			AllItems.Add(new ItemSpec("Test end time", Strings.T_end, x => x.EndTime().ToShortTimeString(), (x, y, z) => z.EndTime().ToShortTimeString(), (x, z) => z.EndTime().ToShortTimeString()));
			AllItems.Add(new ItemSpec("Test time", Strings.T_s, x => x.TestTime.ToString("F2"), (x, y, z) => z.TestTime.ToString("F2"), (x, z) => z.TestTime.ToString("F2")));
			AllItems.Add(new ItemSpec("Flow", Strings.Flow + " [m3/h]", x => Utils.DoubleToStr(x.FlowVolume(), 4), (x, y, z) => Utils.DoubleToStr(z.FlowVolume(), 4), (x, z) => Utils.DoubleToStr(x.FlowVolume(), 4)));
			AllItems.Add(new ItemSpec("T in", Strings.T_in + " [°C]", x => x.TestRslt.TempUpMean.ToString("F2"), (x, y, z) => z.TestRslt.TempUpMean.ToString("F2"), (x, z) => z.TestRslt.TempUpMean.ToString("F2")));
			AllItems.Add(new ItemSpec("T out", Strings.T_out + " [°C]", x => x.TestRslt.TempDownMean.ToString("F2"), (x, y, z) => z.TestRslt.TempDownMean.ToString("F2"), (x, z) => z.TestRslt.TempDownMean.ToString("F2")));
			AllItems.Add(new ItemSpec("T div", Strings.T_div + " [°C]", x => x.TestRslt.TempDivMean.ToString("F2"), (x, y, z) => z.TestRslt.TempDivMean.ToString("F2"), (x, z) => z.TestRslt.TempDivMean.ToString("F2")));
			AllItems.Add(new ItemSpec("P up", Strings.P_up + " [kPa]", x => (100 * x.TestRslt.PressUpMean).ToString("F3"), (x, y, z) => z.TestRslt.PressUpMean.ToString("F3"), (x, z) => z.TestRslt.PressUpMean.ToString("F3")));
			AllItems.Add(new ItemSpec("P up start", Strings.P_up_start + " [kPa]", x => (100 * x.TestRslt.PressUpStart).ToString("F3"), (x, y, z) => z.TestRslt.PressUpStart.ToString("F3"), (x, z) => z.TestRslt.PressUpStart.ToString("F3")));
			AllItems.Add(new ItemSpec("P up end", Strings.P_up_end + " [kPa]", x => (100 * x.TestRslt.PressUpEnd).ToString("F3"), (x, y, z) => z.TestRslt.PressUpEnd.ToString("F3"), (x, z) => z.TestRslt.PressUpEnd.ToString("F3")));
			AllItems.Add(new ItemSpec("P down", Strings.P_dn + " [kPa]", x => (100 * x.TestRslt.PressDownMean).ToString("F3"), (x, y, z) => z.TestRslt.PressDownMean.ToString("F3"), (x, z) => z.TestRslt.PressDownMean.ToString("F3")));
			AllItems.Add(new ItemSpec("P down start", Strings.P_dn_start + " [kPa]", x => (100 * x.TestRslt.PressDownStart).ToString("F3"), (x, y, z) => z.TestRslt.PressDownStart.ToString("F3"), (x, z) => z.TestRslt.PressDownStart.ToString("F3")));
			AllItems.Add(new ItemSpec("P down end", Strings.P_dn_end + " [kPa]", x => (100 * x.TestRslt.PressDownEnd).ToString("F3"), (x, y, z) => z.TestRslt.PressDownEnd.ToString("F3"), (x, z) => z.TestRslt.PressDownEnd.ToString("F3")));
			AllItems.Add(new ItemSpec("P delta", Strings.P_delta + " [kPa]", x => (100 * x.TestRslt.PressDeltaMean).ToString("F3"), (x, y, z) => z.TestRslt.PressDeltaMean.ToString("F3"), (x, z) => z.TestRslt.PressDeltaMean.ToString("F3")));
			AllItems.Add(new ItemSpec("P delta start", Strings.P_delta_start + " [kPa]", x => (100 * x.TestRslt.PressDeltaStart).ToString("F3"), (x, y, z) => z.TestRslt.PressDeltaStart.ToString("F3"), (x, z) => z.TestRslt.PressDeltaStart.ToString("F3")));
			AllItems.Add(new ItemSpec("P delta end", Strings.P_delta_end + " [kPa]", x => (100 * x.TestRslt.PressDeltaEnd).ToString("F3"), (x, y, z) => z.TestRslt.PressDeltaEnd.ToString("F3"), (x, z) => z.TestRslt.PressDeltaEnd.ToString("F3")));
			AllItems.Add(new ItemSpec("Reference error", Strings.ErrRef + " [%]", x => x.TestRslt.ErrorMaster.ToString("F3"), (x, y, z) => z.TestRslt.ErrorMaster.ToString("F3"), (x, z) => z.TestRslt.ErrorMaster.ToString("F3")));
			AllItems.Add(new ItemSpec("Ambient temperature", Strings.T_amb + " [°C]", x => x.TestRslt.AmbTempMean.ToString("F1"), (x, y, z) => z.TestRslt.AmbTempMean.ToString("F1"), (x, z) => z.TestRslt.AmbTempMean.ToString("F1")));
			AllItems.Add(new ItemSpec("Ambient pressure", Strings.P_amb + " [mbar]", x => (1000 * x.TestRslt.AmbPressMean).ToString("F0"), (x, y, z) => (1000 * z.TestRslt.AmbPressMean).ToString("F0"), (x, z) => (1000 * z.TestRslt.AmbPressMean).ToString("F0")));
			AllItems.Add(new ItemSpec("Ambient humidity", Strings.H_amb + " [%]", x => x.TestRslt.AmbHumiMean.ToString("F1"), (x, y, z) => z.TestRslt.AmbHumiMean.ToString("F1"), (x, z) => z.TestRslt.AmbHumiMean.ToString("F1")));

			/// Single and combined meter results
			AllItems.Add(new ItemSpec("Start volume", Strings.Start_volume + " [l]",  x => x.VolumeStart.ToString("F3"), (x, y, z) => z.VolumeStart.ToString("F3"), (x, z) => z.VolumeStart.ToString("F3")));
			AllItems.Add(new ItemSpec("End volume", Strings.End_volume + " [l]", x => x.VolumeEnd.ToString("F3"), (x, y, z) => z.VolumeEnd.ToString("F3"), (x, z) => z.VolumeEnd.ToString("F3")));
			AllItems.Add(new ItemSpec("Volume", Strings.Volume + " [l]", x => x.VolumeMeter.ToString("F3"), (x, y, z) => z.VolumeMeter.ToString("F3"), (x, z) => x.VolumeMeter.ToString("F3")));
			AllItems.Add(new ItemSpec("Reference volume", Strings.VolRef + " [l]", x => x.VolumeRef.ToString("F3"), (x, y, z) => z.VolumeRef.ToString("F3"), (x, z) => x.VolumeRef.ToString("F3")));
			AllItems.Add(new ItemSpec("Error", Strings.Error + " [%]", x => x.Error.ToString("F2"), (x, y, z) => z.Error.ToString("F2"), null));
			AllItems.Add(new ItemSpec("Passed", Strings.Result, x => x.PassedColorStr(), (x, y, z) => z.PassedColorStr(), null));
			AllItems.Add(new ItemSpec("Volume Error", "Volume Error" + " [%]", null, null, (x, z) => x.Error.ToString("F2")));
			AllItems.Add(new ItemSpec("Volume Passed", "Volume Passed", null, null, (x, z) => x.PassedColorStr()));
			AllItems.Add(new ItemSpec("Energy Error", "Energy Error" + " [%]", null, null, (x, z) => z.Error.ToString("F2")));
			AllItems.Add(new ItemSpec("Energy Passed", "Energy Passed", null, null, (x, z) => z.PassedColorStr()));

            /// Water meter info
			AllItems.Add(new ItemSpec("Watermeter type", Strings.WM_Type, x => x.WaterMeterData().ProductName, (x, y, z) => z.WaterMeterData().ProductName, (x, z) => z.WaterMeterData().ProductName));
			AllItems.Add(new ItemSpec("Producer", Strings.Producer, x => x.WaterMeterData().Producer, (x, y, z) => z.WaterMeterData().Producer, (x, z) => z.WaterMeterData().Producer));
			AllItems.Add(new ItemSpec("Metrological class", Strings.MClass, x => x.WaterMeterData().MetrologicalClass, (x, y, z) => z.WaterMeterData().MetrologicalClass, (x, z) => z.WaterMeterData().MetrologicalClass));
			AllItems.Add(new ItemSpec("Approval info", Strings.Approval, x => x.WaterMeterData().ApprovalInfo, (x, y, z) => z.WaterMeterData().ApprovalInfo, (x, z) => z.WaterMeterData().ApprovalInfo));
			AllItems.Add(new ItemSpec("Q4", "Q4 [m3/h]", x => x.WaterMeterData().Q4_Qmax.ToString(), (x, y, z) => z.WaterMeterData().Q4_Qmax.ToString(), null));
			AllItems.Add(new ItemSpec("Q3", "Q3 [m3/h]", x => x.WaterMeterData().Q3_Qn.ToString(), (x, y, z) => z.WaterMeterData().Q3_Qn.ToString(), null));
			AllItems.Add(new ItemSpec("Q2", "Q2 [m3/h]", x => x.WaterMeterData().Q2_Qt.ToString(), (x, y, z) => z.WaterMeterData().Q2_Qt.ToString(), null));
			AllItems.Add(new ItemSpec("Q1", "Q1 [m3/h]", x => x.WaterMeterData().Q1_Qmin.ToString(), (x, y, z) => z.WaterMeterData().Q1_Qmin.ToString(), null));
			AllItems.Add(new ItemSpec("Qmax", "Qmax [m3/h]", x => x.WaterMeterData().Q4_Qmax.ToString(), (x, y, z) => z.WaterMeterData().Q4_Qmax.ToString(), null));
			AllItems.Add(new ItemSpec("Qn", "Qn [m3/h]", x => x.WaterMeterData().Q3_Qn.ToString(), (x, y, z) => z.WaterMeterData().Q3_Qn.ToString(), null));
			AllItems.Add(new ItemSpec("Qt", "Qt [m3/h]", x => x.WaterMeterData().Q2_Qt.ToString(), (x, y, z) => z.WaterMeterData().Q2_Qt.ToString(), null));
			AllItems.Add(new ItemSpec("Qmin", "Qmin [m3/h]", x => x.WaterMeterData().Q1_Qmin.ToString(), (x, y, z) => z.WaterMeterData().Q1_Qmin.ToString(), null));

            /// Water meters results
			AllItems.Add(new ItemSpec("Serial Nr", Strings.sn, x => x.WaterMeter.SerialNr, (x, y, z) => z.WaterMeter.SerialNr, (x, z) => z.WaterMeter.SerialNr));
			AllItems.Add(new ItemSpec("Purchase order", Strings.PO, x => x.WaterMeter.PurchaseOrder, (x, y, z) => z.WaterMeter.PurchaseOrder, (x, z) => z.WaterMeter.PurchaseOrder));
			AllItems.Add(new ItemSpec("Year of production", Strings.Year, x => x.WaterMeter.YearOfProduction.ToString(), (x, y, z) => z.WaterMeter.YearOfProduction.ToString(), (x, z) => z.WaterMeter.YearOfProduction.ToString()));
			AllItems.Add(new ItemSpec("WM Position", Strings.Pos, x => x.WaterMeter.WMPosition.ToString(), (x, y, z) => z.WaterMeter.WMPosition.ToString(), (x, z) => z.WaterMeter.WMPosition.ToString()));

            /// Water meters results (single)
            AllItems.Add(new ItemSpec("End state",          Strings.End_state,      x => x.EndState(),                              null, null));
			AllItems.Add(new ItemSpec("Pulses",				Strings.Pulses,		    x => x.PulsesMeter.ToString(),		            null, null));
            AllItems.Add(new ItemSpec("Pulses/liter",		Strings.PulsesLiter,    x => x.PulsesPerLiter.ToString(),	            null, null));
			AllItems.Add(new ItemSpec("Reference pulses",	Strings.RefPulses,	    x => x.PulsesMaster.ToString(),		            null, null));

            /// Water meters results (combined)
            AllItems.Add(new ItemSpec("Q rise",             Strings.Q_rise + " [m3/h]", null, (x, y, z) => (z.QRise() == 0) ? "-" : Utils.DoubleToStr(z.QRise(), 4), null));
			AllItems.Add(new ItemSpec("Q fall",             Strings.Q_fall + " [m3/h]", null, (x, y, z) => (z.QFall() == 0) ? "-" : Utils.DoubleToStr(z.QFall(), 4), null));
			AllItems.Add(new ItemSpec("Error large WM",     Strings.Err_main + " [%]", null, (x, y, z) => x.Error.ToString("F2"), null));
			AllItems.Add(new ItemSpec("Error small WM",     Strings.Err_aux + " [%]", null, (x, y, z) => y.Error.ToString("F2"), null));
			AllItems.Add(new ItemSpec("Serial Nr large WM", Strings.sn_main, null, (x, y, z) => x.SerialNr(), null));
			AllItems.Add(new ItemSpec("Serial Nr small WM", Strings.sn_aux, null, (x, y, z) => y.SerialNr(), null));
			AllItems.Add(new ItemSpec("End state large WM", Strings.EndState_main, null, (x, y, z) => x.EndState(), null));
			AllItems.Add(new ItemSpec("End state small WM", Strings.EndState_aux, null, (x, y, z) => y.EndState(), null));
			AllItems.Add(new ItemSpec("Start volume main",  Strings.Start_volume_main + " [l]",x => x.VolumeMeter.ToString("F3"), (x, y, z) => x.VolumeStart.ToString("F3"), null));
			AllItems.Add(new ItemSpec("End volume main",    Strings.End_volume_main + " [l]",  x => x.VolumeMeter.ToString("F3"), (x, y, z) => x.VolumeEnd.ToString("F3"),   null));
			AllItems.Add(new ItemSpec("Volume main",        Strings.Volume_main + " [l]",      x => x.VolumeMeter.ToString("F3"), (x, y, z) => x.VolumeMeter.ToString("F3"), null));
			AllItems.Add(new ItemSpec("Start volume aux",   Strings.Start_volume_aux + " [l]", x => x.VolumeMeter.ToString("F3"), (x, y, z) => y.VolumeStart.ToString("F3"), null));
			AllItems.Add(new ItemSpec("End volume aux",     Strings.End_volume_aux + " [l]",   x => x.VolumeMeter.ToString("F3"), (x, y, z) => y.VolumeEnd.ToString("F3"),   null));
			AllItems.Add(new ItemSpec("Volume aux",         Strings.Volume_aux + " [l]",       x => x.VolumeMeter.ToString("F3"), (x, y, z) => y.VolumeMeter.ToString("F3"), null));

            /// Batch info
            AllItems.Add(new ItemSpec("Batch number",       Strings.Batch_nr,       x => x.Batch().BatchNr.ToString(),              (x, y, z) => x.Batch().BatchNr.ToString(),            (x, z) => x.Batch().BatchNr.ToString()));
            AllItems.Add(new ItemSpec("Test bench ID",      Strings.Bench,          x => x.Batch().TestBenchId.ToString(),          (x, y, z) => x.Batch().TestBenchId.ToString(),	      (x, z) => x.Batch().TestBenchId.ToString()));
            AllItems.Add(new ItemSpec("Program version",    Strings.Ver,            x => x.Batch().ProgramVersion,                  (x, y, z) => x.Batch().ProgramVersion,			      (x, z) => x.Batch().ProgramVersion));
            AllItems.Add(new ItemSpec("User name",          Strings.User,           x => x.Batch().UserName,                        (x, y, z) => x.Batch().UserName,					  (x, z) => x.Batch().UserName));
            AllItems.Add(new ItemSpec("User nr.",           Strings.User_nr,        x => x.Batch().UserNumber.ToString(),           (x, y, z) => x.Batch().UserNumber.ToString(),		  (x, z) => x.Batch().UserNumber.ToString()));
            AllItems.Add(new ItemSpec("Procedure name",     Strings.Procedure,      x => x.Batch().ProcedureName,                   (x, y, z) => x.Batch().ProcedureName,				  (x, z) => x.Batch().ProcedureName));
            AllItems.Add(new ItemSpec("Watermeters",        Strings.WMs,            x => x.Batch().WatermetersStr,                  (x, y, z) => x.Batch().WatermetersStr,			      (x, z) => x.Batch().WatermetersStr));
            AllItems.Add(new ItemSpec("Protocol title",     Strings.Protocol,       x => x.Batch().ProtocolTitle,                   (x, y, z) => x.Batch().ProtocolTitle,				  (x, z) => x.Batch().ProtocolTitle));
            AllItems.Add(new ItemSpec("Batch start time",   Strings.Start,          x => x.Batch().StartTime.ToShortTimeString(),   (x, y, z) => x.Batch().StartTime.ToShortTimeString(), (x, z) => x.Batch().StartTime.ToShortTimeString()));
            AllItems.Add(new ItemSpec("Batch end time",     Strings.End,            x => x.Batch().EndTime.ToShortTimeString(),     (x, y, z) => x.Batch().EndTime.ToShortTimeString(),   (x, z) => x.Batch().EndTime.ToShortTimeString()));

            /// Heat meters results
			AllItems.Add(new ItemSpec("Energy",				Strings.Energy,			null, null,	(x, z) => z.VolumeMeter.ToString()));
            AllItems.Add(new ItemSpec("Reference energy",	Strings.Energy_ref,		null, null,	(x, z) => z.VolumeRef.ToString()));
            AllItems.Add(new ItemSpec("Temp hi me",         "T hi me",              null, null, (x, z) => z.TestRslt.Custom1.ToString("F3")));
            AllItems.Add(new ItemSpec("Temp hi st",         "T hi st",              null, null, (x, z) => z.TestRslt.Custom2.ToString("F3")));
            AllItems.Add(new ItemSpec("Temp hi en",         "T hi en",              null, null, (x, z) => z.TestRslt.Custom3.ToString("F3")));
            AllItems.Add(new ItemSpec("Temp hi av",         "T hi av",              null, null, (x, z) => ((z.TestRslt.Custom2 + z.TestRslt.Custom3) / 2).ToString("F3")));
            AllItems.Add(new ItemSpec("Temp lo me",         "T lo me",              null, null, (x, z) => z.TestRslt.Custom6.ToString("F3")));
            AllItems.Add(new ItemSpec("Temp lo st",         "T lo st",              null, null, (x, z) => z.TestRslt.Custom7.ToString("F3")));
            AllItems.Add(new ItemSpec("Temp lo en",         "T lo en",              null, null, (x, z) => z.TestRslt.Custom8.ToString("F3")));
            AllItems.Add(new ItemSpec("Temp lo av",         "T lo av",              null, null, (x, z) => ((z.TestRslt.Custom7 + z.TestRslt.Custom8) / 2).ToString("F3")));

			AllItems.Add(new ItemSpec("Start mass", Strings.Start_mass + " [kg]",	x => x.TestRslt.MassStart.ToString("F4"),	(x, y, z) => z.TestRslt.MassStart.ToString("F4"),	(x, z) => z.TestRslt.MassStart.ToString("F4")));
			AllItems.Add(new ItemSpec("End mass",	Strings.End_mass + " [kg]",		x => x.TestRslt.MassEnd.ToString("F4"),		(x, y, z) => z.TestRslt.MassEnd.ToString("F4"),		(x, z) => z.TestRslt.MassEnd.ToString("F4")));
		}

		public static ItemSpec GetItem(string name)
		{
			foreach (var item in AllItems) if (item.Name.Equals(name)) return item;
			return null;
		}

		public static string[] ToStrArray(IList<ItemSpec> items)
		{
			int count = (items != null) ? items.Count : 0;
			string[] result = new string[count];
			for (int i = 0; i < count; i++) result[i] = items[i].Name;
			return result;
		}

		public static IList<ItemSpec> FromStrArray(string[] strArray)
		{
			IList<ItemSpec> result = new List<ItemSpec>();
			if (strArray != null)
			{
				for (int i = 0; i < strArray.Length; i++)
				{
					ItemSpec item = GetItem(strArray[i]);
					if (item != null) result.Add(item);
				}
			}
			return result;
		}
    }
}