176 lines
7.3 KiB
C#
176 lines
7.3 KiB
C#
using System;
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using System.Collections.Generic;
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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 Liner.Drawing;
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using Liner.MovingStrategies;
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namespace Liner.Generics
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{
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/// <summary>
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/// Класс для хранения коллекции
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/// </summary>
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public class LinersGenericStorage
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{
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/// <summary>
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/// Словарь (хранилище)
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/// </summary>
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readonly Dictionary<LinerCollectionInfo, LinerGenericCollection<DrawingLiner, DrawingObjectLiner>> _linerStorages;
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/// <summary>
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/// Возвращение списка названий наборов
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/// </summary>
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public List<LinerCollectionInfo> Keys => _linerStorages.Keys.ToList();
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/// <summary>
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/// Ширина окна отрисовки
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/// </summary>
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private readonly int _pictureWidth;
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/// <summary>
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/// Высота окна отрисовки
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/// </summary>
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private readonly int _pictureHeight;
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/// <summary>
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/// Разделитель для записи ключа и значения элемента словаря
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/// </summary>
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private static readonly char _separatorForKeyValue = '|';
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/// <summary>
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/// Разделитель для записей коллекции данных в файл
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/// </summary>
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private readonly char _separatorRecords = ';';
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/// <summary>
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/// Разделитель для записи информации по объекту в файл
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/// </summary>
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private static readonly char _separatorForObject = ':';
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/// <summary>
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/// Конструктор
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/// </summary>
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/// <param name="pictureWidth"></param>
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/// <param name="pictureHeight"></param>
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public LinersGenericStorage(int pictureWidth, int pictureHeight)
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{
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_linerStorages = new Dictionary<LinerCollectionInfo, LinerGenericCollection<DrawingLiner, DrawingObjectLiner>>();
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_pictureWidth = pictureWidth;
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_pictureHeight = pictureHeight;
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}
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/// <summary>
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/// Добавление набора
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/// </summary>
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/// <param name="name">Название набора</param>
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public void AddSet(string name)
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{
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if(_linerStorages.ContainsKey(new LinerCollectionInfo(name, string.Empty)))
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{
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return;
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}
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_linerStorages.Add(new LinerCollectionInfo(name, string.Empty), new LinerGenericCollection<DrawingLiner, DrawingObjectLiner>(_pictureWidth,_pictureHeight));
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}
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/// <summary>
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/// Удаление набора
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/// </summary>
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/// <param name="name">Название набора</param>
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public void DelSet(string name)
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{
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if (_linerStorages.ContainsKey(new LinerCollectionInfo(name, string.Empty)))
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{
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_linerStorages.Remove(new LinerCollectionInfo(name, string.Empty));
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}
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}
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/// <summary>
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/// Доступ к набору
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/// </summary>
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/// <param name="ind"></param>
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/// <returns></returns>
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public LinerGenericCollection<DrawingLiner, DrawingObjectLiner>? this[string ind]
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{
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get
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{
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if (_linerStorages.ContainsKey(new LinerCollectionInfo(ind, string.Empty))) { return _linerStorages[new LinerCollectionInfo(ind, string.Empty)]; }
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return null;
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}
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}
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/// <summary>
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/// Сохранение информации по лайнерам в хранилище в файл
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/// </summary>
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/// <param name="filename">Путь и имя файла</param>
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public void SaveData(string filename)
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{
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if (File.Exists(filename))
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{
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File.Delete(filename);
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}
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StringBuilder data = new();
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foreach (KeyValuePair<LinerCollectionInfo,
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LinerGenericCollection<DrawingLiner, DrawingObjectLiner>> record in _linerStorages)
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{
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StringBuilder records = new();
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foreach (DrawingLiner? elem in record.Value.GetLiners)
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{
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records.Append($"{elem?.GetDataForSave(_separatorForObject)}{_separatorRecords}");
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}
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data.AppendLine($"{record.Key.Name}{_separatorForKeyValue}{records}");
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}
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if (data.Length == 0)
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{
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throw new InvalidOperationException("Невалиданя операция, нет данных для сохранения");
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}
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string dataStr = data.ToString();
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using (StreamWriter writer = new StreamWriter(filename))
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{
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writer.WriteLine("LinerStorage");
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writer.WriteLine(dataStr);
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}
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}
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/// <summary>
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/// Загрузка информации по автомобилям в хранилище из файла
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/// </summary>
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/// <param name="filename">Путь и имя файла</param>
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public void LoadData(string filename)
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{
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if (!File.Exists(filename))
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{
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throw new FileNotFoundException("Файл не найден");
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}
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using (StreamReader reader = new StreamReader(filename))
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{
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string checker = reader.ReadLine();
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if (checker == null)
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{
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throw new NullReferenceException("Нет данных для загрузки");
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}
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if (!checker.StartsWith("LinerStorage"))
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{
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throw new FormatException("Неверный формат данных");
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}
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_linerStorages.Clear();
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string strs;
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while ((strs = reader.ReadLine()) != null) //переделал ужасную логику
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{
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if (strs == null)
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break;
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if (strs == string.Empty)
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break;
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string name = strs.Split('|')[0];
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LinerGenericCollection<DrawingLiner, DrawingObjectLiner> collection = new(_pictureWidth, _pictureHeight);
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foreach (string data in strs.Split('|')[1].Split(';').Reverse())
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{
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DrawingLiner? liner =
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data?.CreateDrawingLiner(_separatorForObject, _pictureWidth, _pictureHeight);
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if (liner != null)
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{
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try
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{
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int? tmp = collection + liner;
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}
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catch (ApplicationException ex)
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{
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throw new ApplicationException($"Ошибка добавления в коллекцию: {ex.Message}");
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}
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}
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}
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_linerStorages.Add(new LinerCollectionInfo(name, string.Empty), collection);
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}
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}
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}
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}
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}
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