TableElement.cs

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using System;
using System.ComponentModel;
using System.Xml.Serialization;
using DirectOutput.FX;

namespace DirectOutput.Table
{

    public class TableElement 
    {




        #region  TableElementType
        private TableElementTypeEnum _TableElementType = TableElementTypeEnum.Lamp;
        public TableElementTypeEnum TableElementType
        {
            get { return _TableElementType; }
            set
            {
                if (_TableElementType != value)
                {
                    _TableElementType = value;

                }
            }
        }
        #endregion

        #region  Number
        private int _Number = 0;
        public int Number
        {
            get { return _Number; }
            set
            {
                if (_Number != value)
                {

                    _Number = value;
                
                }
            }
        }

        #endregion

        #region  Name
        private string _Name = "";
        public string Name
        {
            get { return _Name; }
            set
            {
                if (_Name != value)
                {
                    _Name = value;
                    if (NameChanged != null)
                    {
                        NameChanged(this, new EventArgs());
                      
                    }
                }
            }
        }
        public event EventHandler<EventArgs> NameChanged;
        #endregion

        #region  Value
        private int _Value = int.MinValue;
        [XmlIgnoreAttribute]
        public int Value
        {
            get { return _Value; }
            set
            {
                if (_Value != value)
                {
                    _Value = value;
                    StorePastValue(value);

                    if (ValueChanged != null)
                    {
                        ValueChanged(this, new TableElementValueChangedEventArgs(this));
           
                    }
                }
            }
        }

        const int PastValuesCount=100;
        private int[] PastValues =new int[PastValuesCount];
        private DateTime[] PastValueTimestamp = new DateTime[PastValuesCount];
        private int PastValuesPosition = 0;

        private void StorePastValue(int Value)
        {
            PastValuesPosition++;
            if (PastValuesPosition >= PastValuesCount) { PastValuesPosition = 0; }

            PastValues[PastValuesPosition] = Value;
            PastValueTimestamp[PastValuesPosition] = DateTime.Now;

        }

        public bool ValueHasBeen(int Value, int DuringLastMilliseconds)
        {
            DateTime EarliestTime = DateTime.Now.AddMilliseconds(-DuringLastMilliseconds);

            int P = PastValuesPosition;
            int Cnt = 0;

            while (PastValueTimestamp[P] > EarliestTime && Cnt < PastValuesCount)
            {
                if (PastValues[P] == Value) { return true; }
                P--;
                if (P < 0) { P = PastValuesCount - 1; }
                Cnt++;
            }
            return false;
        }

        public bool ValueHasChanged(int DuringLastMilliseconds)
        {
            DateTime EarliestTime = DateTime.Now.AddMilliseconds(-DuringLastMilliseconds);

            if (PastValueTimestamp[PastValuesPosition] >= EarliestTime) return true;

            return false;

        }

        public event EventHandler<TableElementValueChangedEventArgs> ValueChanged;


        void TableElement_ValueChanged(object sender, TableElementValueChangedEventArgs e)
        {
       
            AssignedEffects.Trigger(GetTableElementData());
        }
        #endregion


        private AssignedEffectList _TableElementEffectList;


        public AssignedEffectList AssignedEffects
        {
            get { return _TableElementEffectList; }
            set
            {
                    _TableElementEffectList = value;
                            
            }
        }

        public TableElementData GetTableElementData()
        {
            return new TableElementData(this);
        }


        #region Constructor



        public TableElement()
        {
            AssignedEffects = new AssignedEffectList();
            ValueChanged += new EventHandler<TableElementValueChangedEventArgs>(TableElement_ValueChanged);
        }


        public TableElement(TableElementTypeEnum TableElementType, int Number, int Value)
            : this()
        {
            this.TableElementType = TableElementType;
            this.Number = Number;
            this.Value = Value;

        }
        #endregion

    }
}