PIbd-21_KozyrevSS_GasolineTanker_Base/Lab/CollectionsFrame.cs

using Lab.DrawningObjects;
using Lab.Generics;
using Lab.MovementStrategy;
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 Lab
{
    public partial class CollectionsFrame : Form
    {
        private readonly CarsGenericStorage _storage;
        /// <summary>
        /// Конструктор
        /// </summary>
        public CollectionsFrame()
        {
            InitializeComponent();
            _storage = new CarsGenericStorage(DrawTank.Width, DrawTank.Height);
        }
        /// <summary>
        /// Заполнение listBoxObjects
        /// </summary>
        private void ReloadObjects()
        {
            int index = CollectionListBox.SelectedIndex;
            CollectionListBox.Items.Clear();
            foreach (var key in _storage.Keys)
            {
                CollectionListBox.Items.Add(key);
            }
            if (CollectionListBox.Items.Count > 0 && (index == -1 || index
            >= CollectionListBox.Items.Count))
            {
                CollectionListBox.SelectedIndex = 0;
            }
            else if (CollectionListBox.Items.Count > 0 && index > -1 &&
            index < CollectionListBox.Items.Count)
            {
                CollectionListBox.SelectedIndex = index;
            }
        }
        /// <summary>
        /// Добавление набора в коллекцию
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonAddObject_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(SetTextBox.Text))
            {
                MessageBox.Show("Не все данные заполнены", "Ошибка",
                MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            _storage.AddSet(SetTextBox.Text);
            ReloadObjects();
        }
        /// <summary>
        /// Выбор набора
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ListBoxObjects_SelectedIndexChanged(object sender,
        EventArgs e)
        {
            DrawTank.Image =
            _storage[CollectionListBox.SelectedItem?.ToString() ?? string.Empty]?.ShowCars();
        }
        /// <summary>
        /// Удаление набора
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonDelObject_Click(object sender, EventArgs e)
        {
            if (CollectionListBox.SelectedIndex == -1)
            {
                return;
            }
            if (MessageBox.Show($"Удалить объект {CollectionListBox.SelectedItem}?", "Удаление", MessageBoxButtons.YesNo,
        MessageBoxIcon.Question) == DialogResult.Yes)
            {
                _storage.DelSet(CollectionListBox.SelectedItem.ToString()
                ?? string.Empty);
                ReloadObjects();
            }
        }
        /// <summary>
        /// Добавление объекта в набор
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonAddCar_Click(object sender, EventArgs e)
        {
            if (CollectionListBox.SelectedIndex == -1)
            {
                return;
            }
            var obj = _storage[CollectionListBox.SelectedItem.ToString() ?? string.Empty];
            if (obj == null)
            {
                return;
            }
            Frame form = new();
            if (form.ShowDialog() == DialogResult.OK)
            {
                if (obj + form.SelectedCar)
                {
                    MessageBox.Show("Объект добавлен");
                    DrawTank.Image = obj.ShowCars();
                }
                else
                {
                    MessageBox.Show("Не удалось добавить объект");
                }
            }
        }
        /// <summary>
        /// Удаление объекта из набора
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonRemoveCar_Click(object sender, EventArgs e)
        {
            if (CollectionListBox.SelectedIndex == -1)
            {
                return;
            }
            var obj = _storage[CollectionListBox.SelectedItem.ToString() ??
            string.Empty];
            if (obj == null)
            {
                return;
            }
            if (MessageBox.Show("Удалить объект?", "Удаление",
            MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
            {
                return;
            }
            int pos = Convert.ToInt32(CarTextBox.Text);
            if (obj - pos != null)
            {
                MessageBox.Show("Объект удален");
                DrawTank.Image = obj.ShowCars();
            }
            else
            {
                MessageBox.Show("Не удалось удалить объект");
            }
        }
        /// <summary>
        /// Обновление рисунка по набору
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonRefreshCollection_Click(object sender, EventArgs
        e)
        {
            if (CollectionListBox.SelectedIndex == -1)
            {
                return;
            }
            var obj = _storage[CollectionListBox.SelectedItem.ToString() ??
            string.Empty];
            if (obj == null)
            {
                return;
            }
            DrawTank.Image = obj.ShowCars();
        }
    }
}