123 lines
3.9 KiB
C#
123 lines
3.9 KiB
C#
using LiveCharts;
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using Microsoft.VisualBasic.ApplicationServices;
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using StructureHelperCommon.Infrastructures.Enums;
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using StructureHelperCommon.Infrastructures.Interfaces;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Windows.Media;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Documents;
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using StructureHelperCommon.Services;
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using LiveCharts.Wpf;
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using StructureHelperCommon.Services.ColorServices;
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using FunctionParser;
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namespace StructureHelperCommon.Models.Functions
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{
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public class FormulaFunction : IOneVariableFunction
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{
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private double current_xValue;
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private string formula;
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private Expression expression;
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private const string COPY = "copy";
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public const string GROUP_TYPE_1 = "System function";
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public const string GROUP_TYPE_2 = "User function";
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public bool IsUser { get; set; }
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public FunctionType Type { get; set; }
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public string Group { get; set; }
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public string Name { get; set; }
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public string Description { get ; set; }
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public int Step { get; set; }
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public string Formula
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{
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get
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{
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return formula;
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}
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set
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{
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formula = value;
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Expression = new Expression(value, new string[] { "x" }, null);
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}
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}
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public Expression Expression
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{
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get
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{
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return expression;
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}
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set
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{
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expression = value;
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}
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}
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public Guid Id => throw new NotImplementedException();
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public ObservableCollection<IOneVariableFunction> Functions { get; set; } = new ObservableCollection<IOneVariableFunction>();
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public double MinArg { get; set; }
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public double MaxArg { get; set; }
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public IShiftTraceLogger? TraceLogger { get; set; }
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public Color Color { get; set; }
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public string Trace { get; set; }
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public FormulaFunction(bool isUser = false)
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{
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Color = ColorProcessor.GetRandomColor();
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Type = FunctionType.FormulaFunction;
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if (isUser)
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{
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IsUser = true;
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Group = GROUP_TYPE_2;
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}
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else
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{
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IsUser = false;
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Group = GROUP_TYPE_1;
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}
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}
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public bool Check()
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{
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throw new NotImplementedException();
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}
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public object Clone()
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{
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var formulaFunction = new FormulaFunction();
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//Здесь будет стратегия
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formulaFunction.Type = Type;
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formulaFunction.Name = $"{Name} {COPY}";
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formulaFunction.Description = Description;
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formulaFunction.Formula = Formula;
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formulaFunction.IsUser = true;
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formulaFunction.Group = GROUP_TYPE_2;
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formulaFunction.Step = Step;
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formulaFunction.MinArg = MinArg;
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formulaFunction.MaxArg = MaxArg;
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return formulaFunction;
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}
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public double GetByX(double xValue)
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{
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double yValue = 0;
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current_xValue = xValue;
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Check();
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yValue = Math.Round(Expression.CalculateValue(new double[] { xValue }), 2);
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return yValue;
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}
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public GraphSettings GetGraphSettings()
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{
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var graphSettings = new GraphSettings(Color, Color);
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var stepLenght = Math.Abs(MaxArg - MinArg) / Step;
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for (double x = MinArg; x < MaxArg; x += stepLenght)
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{
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var graphPoint = new GraphPoint(x, GetByX(x));
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graphSettings.GraphPoints.Add(graphPoint);
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}
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return graphSettings;
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}
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}
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}
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