Add tree graph commands

StructureHelperCommon/Models/Functions/FormulaFunction.cs

@@ -2,6 +2,7 @@
 using StructureHelperCommon.Infrastructures.Interfaces;
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -11,14 +12,22 @@ namespace StructureHelperCommon.Models.Functions
 {
     public class FormulaFunction : IOneVariableFunction
     {
+        private const string COPY = "copy";
         public bool IsUser { get; set; }
         public FunctionType Type { get; set; }
         public string Name { get; set; }
         public string Description { get ; set; }
+        public List<GraphPoint> Table { get; set; }
         public string Formula {  get; set; }
 
         public Guid Id => throw new NotImplementedException();
 
+        public ObservableCollection<IOneVariableFunction> Functions {  get; set; }
+        public FormulaFunction()
+        {
+            Type = FunctionType.FormulaFunction;
+        }
+
         public bool Check()
         {
             throw new NotImplementedException();
@@ -30,11 +39,10 @@ namespace StructureHelperCommon.Models.Functions
 
             //Здесь будет стратегия
             formulaFunction.Type = Type;
-            formulaFunction.Name = Name;
+            formulaFunction.Name = $"{Name} {COPY}"; 
             formulaFunction.Description = Description;
             formulaFunction.Formula = Formula;
             formulaFunction.IsUser = true;
-
             return formulaFunction;
         }