ScaleXDecorator done

StructureHelperCommon/Infrastructures/Interfaces/FunctionDecorator.cs

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+using StructureHelperCommon.Infrastructures.Enums;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Functions;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Infrastructures.Interfaces
+{
+    public abstract class FunctionDecorator : IOneVariableFunction
+    {
+        protected IOneVariableFunction function;
+        public bool IsUser { get; set; }
+        public string Group { get; set; }
+        public FunctionType Type { get; set; }
+        public string Name { get; set; }
+        public string Description { get; set; }
+        public List<GraphPoint> Table { get; set; }
+        public double MinArg { get; set; }
+        public double MaxArg { get; set; }
+        public ObservableCollection<IOneVariableFunction> Functions { get; set; } = new ObservableCollection<IOneVariableFunction>();
+
+        public Guid Id => throw new NotImplementedException();
+
+        public IShiftTraceLogger? TraceLogger { get; set; }
+        public FunctionDecorator(IOneVariableFunction function)
+        {
+            this.function = function;
+        }
+        public virtual bool Check()
+        {
+            return function.Check();
+        }
+        public virtual object Clone()
+        {
+            return function.Clone();
+        }
+        public virtual double GetByX(double xValue)
+        {
+            return function.GetByX(xValue);
+        }
+    }
+}