153 lines
5.5 KiB
C#
153 lines
5.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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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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namespace Catamaran
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{
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internal class MapsCollection
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{
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/// <summary>
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/// Словарь (хранилище) с картами
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/// </summary>
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readonly Dictionary<string, MapWithSetBoatsGeneric<IDrawingObject, AbstractMap>> _mapStorages;
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/// <summary>
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/// Возвращение списка названий карт
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/// </summary>
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public List<string> Keys => _mapStorages.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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/// 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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///
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private readonly char separatorDict = '|';
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private readonly char separatorData = ';';
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public MapsCollection(int pictureWidth, int pictureHeight)
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{
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_mapStorages = new Dictionary<string, MapWithSetBoatsGeneric<IDrawingObject, AbstractMap>>();
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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 карты
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/// </summary>
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/// <param name="name">Название карты</param>
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/// <param name="map">Карта</param>
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public void AddMap(string name, AbstractMap map)
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{
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if (!_mapStorages.ContainsKey(name))
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{
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_mapStorages.Add(name, new MapWithSetBoatsGeneric<IDrawingObject, AbstractMap>(_pictureWidth, _pictureHeight, map));
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}
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}
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/// <summary>
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/// Удаление карты
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/// </summary>
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/// <param name="name">Название карты</param>
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public void DelMap(string name)
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{
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_mapStorages.Remove(name);
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}
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/// <summary>
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/// Доступ к парковке
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/// </summary>
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/// <param name="ind"></param>
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/// <returns></returns>
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public MapWithSetBoatsGeneric<IDrawingObject, AbstractMap> this[string ind]
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{
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get
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{
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_mapStorages.TryGetValue(ind, out var map);
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return map;
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}
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}
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/// <summary>
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/// Метод записи информации в файл
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/// </summary>
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/// <param name="text">Строка, которую следует записать</param>
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/// <param name="stream">Поток для записи</param>
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private static void WriteToFile(string text, FileStream stream)
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{
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byte[] info = new UTF8Encoding(true).GetBytes(text);
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stream.Write(info, 0, info.Length);
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}
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/// <summary>
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/// Сохранение информации про лодки м 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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/// <returns></returns>
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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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using (StreamWriter sw = new StreamWriter(filename))
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{
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sw.WriteLine("MapsCollection");
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foreach (var storage in _mapStorages)
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{
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sw.WriteLine($"{storage.Key}{separatorDict}{storage.Value.GetData(separatorDict, separatorData)}");
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}
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}
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}
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/// <summary>
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/// Загрузка нформации про лодки в гавани из файла
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/// </summary>
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/// <param name="filename"></param>
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/// <returns></returns>
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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 Exception("Файл не найден");
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}
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using (StreamReader sr = new StreamReader(filename))
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{
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string str = "";
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if ((str = sr.ReadLine()) == null || !str.Contains("MapsCollection"))
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{
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//если нет такой записи, то это не те данные
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throw new Exception("Формат данных в файле не правильный");
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}
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//очищаем записи
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_mapStorages.Clear();
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while ((str = sr.ReadLine()) != null)
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{
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var elem = str.Split(separatorDict);
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AbstractMap map = null;
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switch (elem[1])
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{
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case "SimpleMap":
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map = new SimpleMap();
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break;
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case "SecondMap":
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map = new SecondMap();
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break;
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}
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_mapStorages.Add(elem[0], new MapWithSetBoatsGeneric<IDrawingObject, AbstractMap>(_pictureWidth, _pictureHeight, map));
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_mapStorages[elem[0]].LoadData(elem[2].Split(separatorData, (char)StringSplitOptions.RemoveEmptyEntries));
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}
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}
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}
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}
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}
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