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// object code form for any purpose and without fee is hereby granted,
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using System;
using System.Collections.Generic;
using System.Text;

using Autodesk.Revit.DB;

namespace Revit.SDK.Samples.NewRebar.CS
{
    /// <summary>
    /// This class wraps a formula parameter which will be the dimension of 
    /// RebarShape definition.
    /// </summary>
    class RebarShapeParameterFormula : RebarShapeParameter
    {
        /// <summary>
        /// Parameter formula sting.
        /// </summary>
        private string m_formula;

        /// <summary>
        /// Parameter formula sting.
        /// </summary>
        public string Formula
        {
            get { return m_formula; }
            set { m_formula = value; }
        }

        /// <summary>
        /// Constructor.
        /// </summary>
        /// <param name="shapeDef">RebarShapeDefinition proxy</param>
        /// <param name="name">Parameter name</param>
        /// <param name="formula">Parameter formula sting</param>
        public RebarShapeParameterFormula(RebarShapeDef shapeDef, string name, string formula)
            :base(shapeDef,name)
        {
            m_formula = formula;
        }

        /// <summary>
        /// Add a formula parameter to RebarShapeDefinition.
        /// </summary>
        /// <param name="defGroup">Definition group</param>
        public override void Commit(Autodesk.Revit.DB.Document doc, DefinitionGroup defGroup)
        {
            ExternalDefinition def = GetOrCreateDef(defGroup);
            m_parameterId = Autodesk.Revit.DB.Structure.RebarShapeParameters.GetOrCreateElementIdForExternalDefinition(doc, def);
            m_rebarShapeDef.RebarshapeDefinition.AddFormulaParameter(m_parameterId, m_formula);                
        }
    }
}