[Code Review] Team 07 - Hw08(修正排序與防呆)

檔案連結
Form1.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace HW08
{
    public partial class Form1 : Form
    {
        private double density;
        List shapeArr = new List();
        public Form1()
        {
            InitializeComponent();
            Lbl_1.Text = "";
            Lbl_2.Text = "";
            TxtBox_1.Visible = false;
            TxtBox_2.Visible = false;
        }
        //*****************初始設定**************************
        private void CMB_2_SelectedIndexChanged(object sender, EventArgs e)
        {
            switch (CMB_2.SelectedIndex)
            {
                case 0:
                    Lbl_1.Text = "半徑";
                    Lbl_2.Text = "";
                    TxtBox_1.Visible = true;
                    TxtBox_2.Visible = false;
                    break;
                case 1:
                    Lbl_1.Text = "邊長";
                    Lbl_2.Text = "";
                    TxtBox_1.Visible = true;
                    TxtBox_2.Visible = false;
                    break;
                case 2:
                    Lbl_1.Text = "邊長";
                    Lbl_2.Text = "高";
                    TxtBox_1.Visible = true;
                    TxtBox_2.Visible = true;
                    break;
                case 3:
                    Lbl_1.Text = "半徑";
                    Lbl_2.Text = "高";
                    TxtBox_1.Visible = true;
                    TxtBox_2.Visible = true;
                    break;
            }
        }
        //*****************材料參數**************************
        private void CMB_1_SelectedIndexChanged(object sender, EventArgs e)
        {
            switch (CMB_1.SelectedIndex)
            {
                case 0:
                    density = 2.7;
                    break;
                case 1:
                    density = 7.87;
                    break;
                case 2:
                    density = 11.3;
                    break;
            }
        }
        //*****************創造物件**************************
        private void Btn_1_Click(object sender, EventArgs e)
        {
            if (CMB_1.SelectedIndex < 0 || CMB_2.SelectedIndex < 0 || TxtBox_1.Text == "0" || (TxtBox_1.Text == "0" && TxtBox_2.Text == "0"))
            {
                MessageBox.Show("請輸入正確參數!");
                return;
            }
            switch (CMB_2.SelectedIndex)
            {
                case 0:
                    Ball ball = Ball.Create(double.Parse(TxtBox_1.Text), density);
                    shapeArr.Add(ball);
                    ball.Order = shapeArr.Count;
                    break;
                case 1:
                    Cube cube = Cube.Create(double.Parse(TxtBox_1.Text), density);
                    shapeArr.Add(cube);
                    cube.Order = shapeArr.Count;
                    break;
                case 2:
                    Pyramid pyramid = Pyramid.Create(double.Parse(TxtBox_1.Text), double.Parse(TxtBox_2.Text), density);
                    shapeArr.Add(pyramid);
                    pyramid.Order = shapeArr.Count;
                    break;
                case 3:
                    Cylinder cylinder = Cylinder.Create(double.Parse(TxtBox_1.Text), double.Parse(TxtBox_2.Text), density);
                    shapeArr.Add(cylinder);
                    cylinder.Order = shapeArr.Count;
                    break;
            }
            TxtBox_4.Text = shapeArr.Count.ToString();
            BallNum_txt.Text = Ball.Amount.ToString();
            CubeNum_txt.Text = Cube.Amount.ToString();
            PyramidNum_txt.Text = Pyramid.Amount.ToString();
            CylinderNum_txt.Text = Cylinder.Amount.ToString();
            TxtBox_3.AppendText(shapeArr[shapeArr.Count-1].ShapeProperty());
        }
        //*****************顯示創造物件**************************
        private void Btn_2_Click(object sender, EventArgs e)
        {
            TxtBox_5.Clear();
            Sort();
            for (int i = 0; i < shapeArr.Count; i++)
            {
                TxtBox_5.AppendText(shapeArr[i].ShowAllProperty() + "\n");
            }
        }
        //*****************滾動距離計算**************************
        private void button1_Click(object sender, EventArgs e)
        {
            TxtBox_6.Clear();
            Sort();
            foreach (var shape3D in shapeArr)
            {
                IRollable rShape3D = shape3D as IRollable;
                if (rShape3D != null)
                {
                    TxtBox_6.AppendText(rShape3D.RollDistance());
                }
            }
        }
        //*****************消滅物件**************************
        private void button2_Click(object sender, EventArgs e)
        { 
            shapeArr.Sort(CompareByOrder);
            int order = int.Parse(CancelNum_txt.Text);
            if (shapeArr.Count < order)
            {
                return;
            }
            shapeArr[order] = null;
            GC.Collect();
            GC.WaitForPendingFinalizers();
            shapeArr.RemoveAt(order);
            TxtBox_4.Text = shapeArr.Count.ToString();
            BallNum_txt.Text = Ball.Amount.ToString();
            CubeNum_txt.Text = Cube.Amount.ToString();
            PyramidNum_txt.Text = Pyramid.Amount.ToString();
            CylinderNum_txt.Text = Cylinder.Amount.ToString();
            TxtBox_3.Clear();
            for (int i = 0; i < shapeArr.Count; i++)
            {
                TxtBox_3.AppendText(shapeArr[i].ShapeProperty() + "\n");
            }
        }
        //*****************排序**************************
        private int CompareByOrder(Shape3D shape_1, Shape3D shape_2)
        {
            if (shape_1.Order > shape_2.Order)
                return 1;
            return -1;
        }

        private int CompareByShape(Shape3D shape_1, Shape3D shape_2)
        {
            if (shape_1.ShaType > shape_2.ShaType)
                return 1;
            return -1;
        }

        private int CompareByDensity(Shape3D shape_1, Shape3D shape_2)
        {
            if (shape_1.Density > shape_2.Density)
                return 1;
            return -1;
        }

        private int CompareByVolume(Shape3D shape_1, Shape3D shape_2)
        {
            if (shape_1.Volume() > shape_2.Volume())
                return 1;
            return -1;
        }

        private int CompareByMass(Shape3D shape_1, Shape3D shape_2)
        {
            if (shape_1.Mass() > shape_2.Mass())
                return 1;
            return -1;
        }

        private void Sort()
        {
            switch (cmb_sort.SelectedIndex)
            {
                case 0:
                    shapeArr.Sort(CompareByOrder);
                    break;
                case 1:
                    shapeArr.Sort(CompareByShape);
                    break;
                case 2:
                    shapeArr.Sort(CompareByDensity);
                    break;
                case 3:
                    shapeArr.Sort(CompareByVolume);
                    break;
                case 4:
                    shapeArr.Sort(CompareByMass);
                    break;
                default:
                    break;
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void TxtBox_3_TextChanged(object sender, EventArgs e)
        {

        }
        }
    }