Готовая Lab_6
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@ -37,6 +37,8 @@ namespace Sailboat.Generics
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/// Набор объектов
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/// </summary>
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private readonly SetGeneric<T> _collection;
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internal IEnumerable<DrawingBoat> GetBoats;
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/// <summary>
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/// Конструктор
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/// </summary>
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@ -28,6 +28,18 @@ namespace Sailboat.Generics
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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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@ -80,5 +92,94 @@ namespace Sailboat.Generics
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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 лодкам 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>true - сохранение прошло успешно, false - ошибка при сохранении данных</returns>
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public bool 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<string, BoatsGenericCollection<DrawingBoat, DrawingObjectBoat>> record in _boatStorages)
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{
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StringBuilder records = new();
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foreach (DrawingBoat? elem in record.Value.GetBoats)
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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}{_separatorForKeyValue}{records}");
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}
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if (data.Length == 0)
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{
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return false;
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}
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using (StreamWriter writer = new StreamWriter(filename))
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{
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writer.Write($"BoatStorage{Environment.NewLine}{data}");
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}
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return true;
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}
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/// <summary>
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/// Загрузка информации по лодкам 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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/// <returns>true - загрузка прошла успешно, false - ошибка призагрузке данных</returns>
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public bool LoadData(string filename)
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{
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if (!File.Exists(filename))
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{
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return false;
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}
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using (StreamReader fs = File.OpenText(filename))
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{
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string str = fs.ReadLine();
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if (str == null || str.Length == 0)
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{
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return false;
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}
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if (!str.StartsWith("BoatStorage"))
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{
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return false;
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}
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_boatStorages.Clear();
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string strs = "";
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while ((strs = fs.ReadLine()) != null)
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{
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if (strs == null)
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{
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return false;
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}
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string[] record = strs.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
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if (record.Length != 2)
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{
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continue;
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}
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BoatsGenericCollection<DrawingBoat, DrawingObjectBoat> collection = new(_pictureWidth, _pictureHeight);
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string[] set = record[1].Split(_separatorRecords, StringSplitOptions.RemoveEmptyEntries);
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foreach (string elem in set)
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{
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DrawingBoat? boat = elem?.CreateDrawingBoat(_separatorForObject, _pictureWidth, _pictureHeight);
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if (boat != null)
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{
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if (!(collection + boat))
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{
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return false;
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}
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}
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}
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_boatStorages.Add(record[0], collection);
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}
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return true;
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}
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}
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}
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}
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63
Sailboat/Sailboat/ExtentionDrawningBoat.cs
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63
Sailboat/Sailboat/ExtentionDrawningBoat.cs
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@ -0,0 +1,63 @@
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using Sailboat.Entities;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net.NetworkInformation;
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using System.Text;
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using System.Threading.Tasks;
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namespace Sailboat.DrawingObjects
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{
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public static class ExtentionDrawingBoat
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{
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/// <summary>
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/// Создание объекта из строки
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/// </summary>
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/// <param name="info">Строка с данными для создания объекта</param>
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/// <param name="separatorForObject">Разделитель даннных</param>
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/// <param name="width">Ширина</param>
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/// <param name="height">Высота</param>
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/// <returns>Объект</returns>
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public static DrawingBoat? CreateDrawingBoat(this string info, char separatorForObject, int width, int height)
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{
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string[] strs = info.Split(separatorForObject);
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if (strs.Length == 3)
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{
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return new DrawingBoat(Convert.ToInt32(strs[0]),
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Convert.ToInt32(strs[1]), Color.FromName(strs[2]), width, height);
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}
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if (strs.Length == 6)
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{
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return new DrawingSailboat(Convert.ToInt32(strs[0]),
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Convert.ToInt32(strs[1]),
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Color.FromName(strs[2]),
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Color.FromName(strs[3]),
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Convert.ToBoolean(strs[4]),
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Convert.ToBoolean(strs[5]), width, height);
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}
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return null;
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}
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/// <summary>
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/// Получение данных для сохранения в файл
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/// </summary>
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/// <param name="drawningCar">Сохраняемый объект</param>
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/// <param name="separatorForObject">Разделитель даннных</param>
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/// <returns>Строка с данными по объекту</returns>
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public static string GetDataForSave(this DrawingBoat drawingBoat, char separatorForObject)
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{
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var boat = drawingBoat.EntityBoat;
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if (boat == null)
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{
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return string.Empty;
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}
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var str = $"{boat.Speed}{separatorForObject}{boat.Weight}{separatorForObject}{boat.BodyColor.Name}";
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if (boat is not EntitySailboat sailboat)
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{
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return str;
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}
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return $"{str}{separatorForObject}{sailboat.AdditionalColor.Name}{separatorForObject}{sailboat.Hull}{separatorForObject}{sailboat.Sail}";
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}
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}
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}
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57
Sailboat/Sailboat/FormBoatCollection.Designer.cs
generated
57
Sailboat/Sailboat/FormBoatCollection.Designer.cs
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@ -165,6 +165,54 @@
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buttonAddBoat.UseVisualStyleBackColor = true;
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buttonAddBoat.Click += buttonAddBoat_Click;
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//
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// menuStrip
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//
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this.menuStrip.ImageScalingSize = new System.Drawing.Size(20, 20);
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this.menuStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
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this.toolStripMenuItem1,
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this.ToolStripMenuItem});
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this.menuStrip.Location = new System.Drawing.Point(0, 0);
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this.menuStrip.Name = "menuStrip";
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this.menuStrip.Size = new System.Drawing.Size(209, 28);
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this.menuStrip.TabIndex = 5;
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//
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// toolStripMenuItem1
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//
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this.toolStripMenuItem1.Name = "toolStripMenuItem1";
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this.toolStripMenuItem1.Size = new System.Drawing.Size(14, 24);
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//
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// ToolStripMenuItem
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//
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this.ToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
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this.SaveToolStripMenuItem,
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this.LoadToolStripMenuItem});
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this.ToolStripMenuItem.Name = "ToolStripMenuItem";
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this.ToolStripMenuItem.Size = new System.Drawing.Size(59, 24);
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this.ToolStripMenuItem.Text = "Файл";
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//
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// SaveToolStripMenuItem
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//
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this.SaveToolStripMenuItem.Name = "SaveToolStripMenuItem";
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this.SaveToolStripMenuItem.Size = new System.Drawing.Size(224, 26);
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this.SaveToolStripMenuItem.Text = "Сохранение";
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this.SaveToolStripMenuItem.Click += new System.EventHandler(this.SaveToolStripMenuItem_Click);
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//
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// LoadToolStripMenuItem
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//
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this.LoadToolStripMenuItem.Name = "LoadToolStripMenuItem";
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this.LoadToolStripMenuItem.Size = new System.Drawing.Size(224, 26);
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this.LoadToolStripMenuItem.Text = "Загрузка";
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this.LoadToolStripMenuItem.Click += new System.EventHandler(this.LoadToolStripMenuItem_Click);
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//
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// openFileDialog
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//
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this.openFileDialog.FileName = "openFileDialog";
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this.openFileDialog.Filter = "txt file | *.txt";
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//
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// saveFileDialog
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//
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this.saveFileDialog.Filter = "txt file | *.txt";
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//
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// FormBoatCollection
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//
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AutoScaleDimensions = new SizeF(7F, 15F);
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@ -197,5 +245,14 @@
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private ListBox listBoxStorages;
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private Button buttonAddObject;
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private TextBox textBoxStorageName;
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private MenuStrip menuStrip;
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private ToolStripMenuItem toolStripMenuItem1;
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private ToolStripMenuItem ToolStripMenuItem;
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private ToolStripMenuItem SaveToolStripMenuItem;
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private ToolStripMenuItem LoadToolStripMenuItem;
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private OpenFileDialog openFileDialog;
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private SaveFileDialog saveFileDialog;
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private EventHandler SaveToolStripMenuItem_Click;
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private EventHandler LoadToolStripMenuItem_Click;
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}
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}
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