From 8675b316b52bdcb195a011c17d1c85436d1b5106 Mon Sep 17 00:00:00 2001
From: lionarius <main@lionarius.ru>
Date: Wed, 11 Sep 2024 20:21:01 +0300
Subject: [PATCH] lab4

---
 KPO_Lab.sln                           |  27 ++--
 Lab2/Lab2.csproj                      |   1 +
 Lab2/src/Form/MainWindow.xaml         |  58 +++++++--
 Lab2/src/Form/MainWindow.xaml.cs      | 169 +++++++++++++++++++++-----
 Lab2/src/Form/Util.cs                 |   2 +
 ProgressBar/ProgressBar.csproj        |  10 ++
 ProgressBar/ProgressBarWindow.xaml    |  19 +++
 ProgressBar/ProgressBarWindow.xaml.cs | 135 ++++++++++++++++++++
 8 files changed, 362 insertions(+), 59 deletions(-)
 create mode 100644 ProgressBar/ProgressBar.csproj
 create mode 100644 ProgressBar/ProgressBarWindow.xaml
 create mode 100644 ProgressBar/ProgressBarWindow.xaml.cs

diff --git a/KPO_Lab.sln b/KPO_Lab.sln
index 3fb4f3d..d856148 100644
--- a/KPO_Lab.sln
+++ b/KPO_Lab.sln
@@ -7,10 +7,11 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Tool", "Tool\Tool.csproj",
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Lab2", "Lab2\Lab2.csproj", "{BC81743D-B4D3-4D25-A966-AD697757E98C}"
 	ProjectSection(ProjectDependencies) = postProject
-		{5E9876F7-1F15-4759-8D96-D950649BBDD7} = {5E9876F7-1F15-4759-8D96-D950649BBDD7}
 		{73C85CBC-5C3A-4F43-8B10-1462B52F709E} = {73C85CBC-5C3A-4F43-8B10-1462B52F709E}
 	EndProjectSection
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ProgressBar", "ProgressBar\ProgressBar.csproj", "{E00EA033-284E-44D9-88E1-8677B0E361AA}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -45,18 +46,18 @@ Global
 		{BC81743D-B4D3-4D25-A966-AD697757E98C}.Release|x64.Build.0 = Release|Any CPU
 		{BC81743D-B4D3-4D25-A966-AD697757E98C}.Release|x86.ActiveCfg = Release|Any CPU
 		{BC81743D-B4D3-4D25-A966-AD697757E98C}.Release|x86.Build.0 = Release|Any CPU
-		{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Debug|x64.ActiveCfg = Debug|Any CPU
-		{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Debug|x64.Build.0 = Debug|Any CPU
-		{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Debug|x86.ActiveCfg = Debug|Any CPU
-		{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Debug|x86.Build.0 = Debug|Any CPU
-		{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Release|Any CPU.Build.0 = Release|Any CPU
-		{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Release|x64.ActiveCfg = Release|Any CPU
-		{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Release|x64.Build.0 = Release|Any CPU
-		{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Release|x86.ActiveCfg = Release|Any CPU
-		{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Release|x86.Build.0 = Release|Any CPU
+		{E00EA033-284E-44D9-88E1-8677B0E361AA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E00EA033-284E-44D9-88E1-8677B0E361AA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E00EA033-284E-44D9-88E1-8677B0E361AA}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{E00EA033-284E-44D9-88E1-8677B0E361AA}.Debug|x64.Build.0 = Debug|Any CPU
+		{E00EA033-284E-44D9-88E1-8677B0E361AA}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{E00EA033-284E-44D9-88E1-8677B0E361AA}.Debug|x86.Build.0 = Debug|Any CPU
+		{E00EA033-284E-44D9-88E1-8677B0E361AA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E00EA033-284E-44D9-88E1-8677B0E361AA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E00EA033-284E-44D9-88E1-8677B0E361AA}.Release|x64.ActiveCfg = Release|Any CPU
+		{E00EA033-284E-44D9-88E1-8677B0E361AA}.Release|x64.Build.0 = Release|Any CPU
+		{E00EA033-284E-44D9-88E1-8677B0E361AA}.Release|x86.ActiveCfg = Release|Any CPU
+		{E00EA033-284E-44D9-88E1-8677B0E361AA}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/Lab2/Lab2.csproj b/Lab2/Lab2.csproj
index d40a68d..1f13045 100644
--- a/Lab2/Lab2.csproj
+++ b/Lab2/Lab2.csproj
@@ -8,6 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\ProgressBar\ProgressBar.csproj" />
     <ProjectReference Include="..\Tool\Tool.csproj" />
   </ItemGroup>
 
diff --git a/Lab2/src/Form/MainWindow.xaml b/Lab2/src/Form/MainWindow.xaml
index 1a47af6..5ba52d8 100644
--- a/Lab2/src/Form/MainWindow.xaml
+++ b/Lab2/src/Form/MainWindow.xaml
@@ -9,28 +9,60 @@
     <Grid>
         <Grid>
             <Grid.RowDefinitions>
-                <RowDefinition Height="30"/>
-                <RowDefinition Height="100*"/>
+                <RowDefinition Height="30" />
+                <RowDefinition Height="30" />
+                <RowDefinition Height="100*" />
             </Grid.RowDefinitions>
-            <DataGrid x:Name="_dataGrid"  d:ItemsSource="{d:SampleData ItemCount=5}" RenderTransformOrigin="0.5,0" Grid.Row="1"/>
+            <DataGrid x:Name="_dataGrid" d:ItemsSource="{d:SampleData ItemCount=5}" RenderTransformOrigin="0.5,0"
+                      Grid.Row="2" />
 
             <Grid Grid.Row="0">
                 <Grid.ColumnDefinitions>
-                    <ColumnDefinition Width="1.15*"/>
-                    <ColumnDefinition Width="1.1*"/>
-                    <ColumnDefinition Width="0.8*"/>
-                    <ColumnDefinition Width="0.8*"/>
-                    <ColumnDefinition Width="0.8*"/>
-                    <ColumnDefinition Width="*"/>
+                    <ColumnDefinition Width="1.15*" />
+                    <ColumnDefinition Width="1.1*" />
+                    <ColumnDefinition Width="0.8*" />
+                    <ColumnDefinition Width="0.8*" />
+                    <ColumnDefinition Width="0.8*" />
+                    <ColumnDefinition Width="*" />
                 </Grid.ColumnDefinitions>
-                
-                <ComboBox  IsEditable="False" Grid.Column="0" Margin="5,5,5,5" ItemsSource="{Binding FactoryMethods}" SelectedItem="{Binding SelectedMethod}" />
+
+                <ComboBox IsEditable="False" Grid.Column="0" Margin="5,5,5,5" ItemsSource="{Binding FactoryMethods}"
+                          SelectedItem="{Binding SelectedMethod}" />
                 <Button Click="CreateManualToolButton_Click" Content="Add Manual Tool" Grid.Column="1" Margin="5,5,5,5" />
-                <Button Click="CreateElectricToolButton_Click" Content="Add Electric Tool" Grid.Column="2" Margin="5,5,5,5" />
+                <Button Click="CreateElectricToolButton_Click" Content="Add Electric Tool" Grid.Column="2"
+                        Margin="5,5,5,5" />
                 <Button Click="EditSelectedButton_Click" Content="Edit" Grid.Column="3" Margin="5,5,5,5" />
                 <Button Click="DeleteSelectedButton_Click" Content="Delete" Grid.Column="4" Margin="5,5,5,5" />
                 <Button Click="GenerateButton_Click" Content="Generate" Grid.Column="5" Margin="5,5,5,5" />
             </Grid>
+
+            <Grid Grid.Row="1">
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="0.8*" />
+                    <ColumnDefinition Width="45" />
+                    <ColumnDefinition Width="0.8*" />
+                    <ColumnDefinition Width="50" />
+                    <ColumnDefinition Width="0.8*" />
+                    <ColumnDefinition Width="*" />
+                    <ColumnDefinition Width="0.5*" />
+                </Grid.ColumnDefinitions>
+
+                <Button Grid.Column="0" Content="Filter" Click="FilterButton_OnClick" Margin="5,5,10,5" />
+                <Label Grid.Column="1" Content="Name:" />
+                <TextBox Grid.Column="2" Text="{Binding NameFilter}" Margin="5,5,10,5" />
+                <Label Grid.Column="3" Content="Weight:" />
+                <Grid Grid.Column="4">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="0.5*" />
+                        <ColumnDefinition Width="20" />
+                        <ColumnDefinition Width="0.5*" />
+                    </Grid.ColumnDefinitions>
+                    <TextBox Grid.Column="0" Text="{Binding WeightMinFilter}" Margin="5,5,10,5" />
+                    <Label Grid.Column="1" Content="≤" />
+                    <TextBox Grid.Column="2" Text="{Binding WeightMaxFilter}" Margin="5,5,10,5" />
+                </Grid>
+                <Button Content="Clear Filter" Click="ClearFilterButton_OnClick" Grid.Column="6" Margin="5,5,10,5" />
+            </Grid>
         </Grid>
     </Grid>
-</Window>
+</Window>
\ No newline at end of file
diff --git a/Lab2/src/Form/MainWindow.xaml.cs b/Lab2/src/Form/MainWindow.xaml.cs
index a512cd0..8e11e2c 100644
--- a/Lab2/src/Form/MainWindow.xaml.cs
+++ b/Lab2/src/Form/MainWindow.xaml.cs
@@ -4,6 +4,9 @@ using System.Collections.ObjectModel;
 using Patterns;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Windows.Data;
 
 namespace Lab2
 {
@@ -17,6 +20,11 @@ namespace Lab2
     /// </summary>
     private ObservableCollection<Tool> _tools = new();
 
+    /// <summary>
+    /// Источник представлений для данных
+    /// </summary>
+    private CollectionViewSource _viewSource = new();
+
     /// <summary>
     /// Случайный генератор
     /// </summary>
@@ -27,9 +35,7 @@ namespace Lab2
     /// </summary>
     private List<IToolFactoryMethod> _factoryMethods = new()
     {
-      new ScissorsAndTrimmerFactoryMethod(),
-      new ScytheAndLawnmowerFactoryMethod(),
-      new PrototypeFactoryMethod(),
+      new ScissorsAndTrimmerFactoryMethod(), new ScytheAndLawnmowerFactoryMethod(), new PrototypeFactoryMethod(),
     };
 
     /// <summary>
@@ -60,39 +66,42 @@ namespace Lab2
       }
     }
 
+    /// <summary>
+    /// Фильтр по имени инструмента.
+    /// </summary>
+    public string NameFilter { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Минимальный вес для фильтрации инструментов.
+    /// </summary>
+    public int WeightMinFilter { get; set; } = 0;
+
+    /// <summary>
+    /// Максимальный вес для фильтрации инструментов.
+    /// </summary>
+    public int WeightMaxFilter { get; set; } = 1_000;
+
     /// <summary>
     /// Конструктор
     /// </summary>  
     public MainWindow()
     {
+      DataContext = this;
       InitializeComponent();
 
       SelectedMethod = _factoryMethods.First();
+      _viewSource.Source = _tools;
 
-      DataContext = this;
-      _dataGrid.ItemsSource = _tools;
+      _dataGrid.ItemsSource = _viewSource.View;
     }
 
     /// <summary>
-    /// Проверяет, является ли индекс валидным
+    /// Возвращает выбранный в таблице инструмент.
     /// </summary>
-    /// <param name="parIndex"> Индекс </param>
-    /// <returns> True, если индекс валиден, иначе - false </returns>
-    private bool IsValidIndex(int parIndex)
-    {
-      return _tools.Count > 0 && parIndex >= 0 && parIndex < _tools.Count;
-    }
-
-    /// <summary>
-    /// Возвращает выбранный инструмент
-    /// </summary>
-    /// <returns> Выбранный инструмент </returns>
+    /// <returns>Выбранный инструмент или null, если ничего не выбрано.</returns>
     private Tool? GetSelectedItem()
     {
-      if (!IsValidIndex(_dataGrid.SelectedIndex))
-        return null;
-
-      return _tools[_dataGrid.SelectedIndex];
+      return _dataGrid.SelectedItem as Tool;
     }
 
     /// <summary>
@@ -101,7 +110,8 @@ namespace Lab2
     /// <returns>Случайный триммер</returns>
     private Trimmer GenerateTrimmer()
     {
-      return new Trimmer($"Tr{_random.Next(0, 100)}", (Material)_random.Next(0, 3), _random.Next(1, 100), (uint)_random.Next(1, 100));
+      return new Trimmer($"Tr{_random.Next(0, 100)}", (Material)_random.Next(0, 3), _random.Next(1, 100),
+        (uint)_random.Next(1, 100));
     }
 
     /// <summary>
@@ -110,7 +120,8 @@ namespace Lab2
     /// <returns>Случайная газонокосилка</returns>
     private Lawnmower GenerateLawnmower()
     {
-      return new Lawnmower($"La{_random.Next(0, 100)}", (Material)_random.Next(0, 3), _random.Next(1, 100), (uint)_random.Next(1, 100), _random.Next(1, 100));
+      return new Lawnmower($"La{_random.Next(0, 100)}", (Material)_random.Next(0, 3), _random.Next(1, 100),
+        (uint)_random.Next(1, 100), _random.Next(1, 100));
     }
 
     /// <summary>
@@ -119,7 +130,8 @@ namespace Lab2
     /// <returns>Случайные ножницы</returns>
     private Scissors GenerateScissors()
     {
-      return new Scissors($"Si{_random.Next(0, 100)}", (Material)_random.Next(0, 3), _random.Next(1, 100), (uint)_random.Next(1, 100), _random.Next(1, 100));
+      return new Scissors($"Si{_random.Next(0, 100)}", (Material)_random.Next(0, 3), _random.Next(1, 100),
+        (uint)_random.Next(1, 100), _random.Next(1, 100));
     }
 
     /// <summary>
@@ -128,7 +140,41 @@ namespace Lab2
     /// <returns>Случайная коса</returns>
     private Scythe GenerateScythe()
     {
-      return new Scythe($"Sc{_random.Next(0, 100)}", (Material)_random.Next(0, 3), _random.Next(1, 100), (uint)_random.Next(1, 100), (BladeType)_random.Next(0, 3));
+      return new Scythe($"Sc{_random.Next(0, 100)}", (Material)_random.Next(0, 3), _random.Next(1, 100),
+        (uint)_random.Next(1, 100), (BladeType)_random.Next(0, 3));
+    }
+
+    /// <summary>
+    /// Генерирует список инструментов.
+    /// </summary>
+    /// <param name="parAmount">Количество инструментов для генерации.</param>
+    /// <param name="parProgress">Прогресс выполнения.</param>
+    /// <param name="parCancellationToken">Токен отмены задачи.</param>
+    /// <returns>Сгенерированный список инструментов.</returns>
+    private List<Tool> GenerateTools(int parAmount, IProgress<int> parProgress,
+      CancellationToken parCancellationToken)
+    {
+      var tools = new List<Tool>();
+      for (int i = 0; i < parAmount; i++)
+      {
+        if (parCancellationToken.IsCancellationRequested)
+          break;
+
+        Dispatcher.Invoke(() => parProgress.Report(i));
+
+        Tool tool = _random.Next(0, 4) switch
+        {
+          0 => GenerateScissors(),
+          1 => GenerateScythe(),
+          2 => GenerateTrimmer(),
+          3 => GenerateLawnmower(),
+          _ => GenerateScissors(),
+        };
+
+        tools.Add(tool);
+      }
+
+      return tools;
     }
 
     /// <summary>
@@ -185,16 +231,73 @@ namespace Lab2
     /// </summary>
     private void GenerateButton_Click(object sender, RoutedEventArgs e)
     {
-      Tool tool = _random.Next(0, 4) switch
+      int generateAmount = 1_000_000;
+
+      var progressWindow =
+        new ProgressWindow.ProgressBarWindow("Tool generation", "Please wait...", generateAmount, false);
+
+      IProgress<int> progress = new Progress<int>(i =>
       {
-        0 => GenerateScissors(),
-        1 => GenerateScythe(),
-        2 => GenerateTrimmer(),
-        3 => GenerateLawnmower(),
-        _ => GenerateScissors(),
+        if (i % 60 == 0)
+          progressWindow.AdvanceProgress(60);
+
+        if (i == generateAmount - 1)
+          progressWindow.AdvanceProgress(0, "Generation completed");
+      });
+
+      var cancellationTokenSource = new CancellationTokenSource();
+      progressWindow.Cancelled += (s, e) => cancellationTokenSource.Cancel();
+      var task = new Task<List<Tool>>(() => GenerateTools(generateAmount, progress, cancellationTokenSource.Token));
+      task.Start();
+
+      progressWindow.ShowDialog();
+
+      if (cancellationTokenSource.IsCancellationRequested)
+        return;
+
+      var tools = task.Result;
+
+      tools.EnsureCapacity(tools.Count + generateAmount);
+
+      var filter = _viewSource.View.Filter;
+      _viewSource.View.Filter = null;
+
+      foreach (var tool in tools)
+        _tools.Add(tool);
+
+      _viewSource.View.Filter = filter;
+      _viewSource.View.Refresh();
+    }
+
+    /// <summary>
+    /// Обработчик нажатия кнопки "Filter". Применяет фильтры к инструментам.
+    /// </summary>
+    private void FilterButton_OnClick(object parSender, RoutedEventArgs parE)
+    {
+      _viewSource.View.Filter = o =>
+      {
+        var tool = o as Tool;
+
+        if (!string.IsNullOrEmpty(NameFilter) && !tool.Name.Contains(NameFilter))
+          return false;
+
+        if (WeightMinFilter > WeightMaxFilter)
+          return false;
+
+        return tool.Weight >= WeightMinFilter && tool.Weight <= WeightMaxFilter;
       };
 
-      _tools.Add(tool);
+      _dataGrid.ScrollIntoView(_dataGrid.SelectedItem);
+    }
+
+    /// <summary>
+    /// Обработчик нажатия кнопки "Clear Filter". Сбрасывает фильтры.
+    /// </summary>
+    private void ClearFilterButton_OnClick(object parSender, RoutedEventArgs parE)
+    {
+      _viewSource.View.Filter = null;
+
+      _dataGrid.ScrollIntoView(_dataGrid.SelectedItem);
     }
   }
-}
+}
\ No newline at end of file
diff --git a/Lab2/src/Form/Util.cs b/Lab2/src/Form/Util.cs
index d479f5e..67dfc13 100644
--- a/Lab2/src/Form/Util.cs
+++ b/Lab2/src/Form/Util.cs
@@ -11,6 +11,8 @@ namespace Lab2
     /// Открывает форму редактирования
     /// </summary>
     /// <param name="parTool"> Инструмент </param>
+    /// <param name="parReadOnly">Доступность полей формы</param>
+    /// <param name="parIsForced">Признак невозможности отмены</param>
     /// <returns> True, если редактирование прошло успешно, иначе - false </returns>
     public static bool ShowEditForm(Tool parTool, bool parReadOnly = false, bool parIsForced = false)
     {
diff --git a/ProgressBar/ProgressBar.csproj b/ProgressBar/ProgressBar.csproj
new file mode 100644
index 0000000..eb6bdfa
--- /dev/null
+++ b/ProgressBar/ProgressBar.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <UseWPF>true</UseWPF>
+    <RootNamespace>ProgressWindow</RootNamespace>
+  </PropertyGroup>
+
+</Project>
diff --git a/ProgressBar/ProgressBarWindow.xaml b/ProgressBar/ProgressBarWindow.xaml
new file mode 100644
index 0000000..d0b6bbc
--- /dev/null
+++ b/ProgressBar/ProgressBarWindow.xaml
@@ -0,0 +1,19 @@
+<Window x:Class="ProgressWindow.ProgressBarWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d"
+        Title="Title" Height="200" Width="400" Closing="Window_Closing">
+    <Grid>
+        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
+            <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Margin="0,0,0,10">
+                <TextBlock x:Name="_messageTextBlock" Text="Message" FontSize="16" Margin="0,0,0,0" />
+            </StackPanel>
+            <ProgressBar x:Name="_progressBar" Width="300" Height="30" />
+            <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Margin="0,10,0,0">
+                <Button x:Name="_cancelButton" Content="Cancel" Width="100" Height="30" Click="CancelButton_Click" />
+            </StackPanel>
+        </StackPanel>
+    </Grid>
+</Window>
\ No newline at end of file
diff --git a/ProgressBar/ProgressBarWindow.xaml.cs b/ProgressBar/ProgressBarWindow.xaml.cs
new file mode 100644
index 0000000..22a99c3
--- /dev/null
+++ b/ProgressBar/ProgressBarWindow.xaml.cs
@@ -0,0 +1,135 @@
+using System;
+using System.ComponentModel;
+using System.Windows;
+
+namespace ProgressWindow;
+
+/// <summary>
+/// Interaction logic for ProgressBar.xaml
+/// </summary>
+public partial class ProgressBarWindow : Window
+{
+  /// <summary>
+  /// Событие, вызываемое при отмене задачи.
+  /// </summary>
+  public event EventHandler? Cancelled;
+  
+  /// <summary>
+  /// Объект для синхронизации доступа к переменным.
+  /// </summary>
+  private readonly object _lock = new();
+
+  /// <summary>
+  /// Флаг, указывающий, нужно ли автоматически закрывать окно по завершении задачи.
+  /// </summary>
+  private readonly bool _autoClose;
+  
+  /// <summary>
+  /// Максимальное значение прогресса.
+  /// </summary>
+  private readonly int _maxProgress;
+  
+  /// <summary>
+  /// Текущее значение прогресса.
+  /// </summary>
+  private int _progress = 0;
+  
+  /// <summary>
+  /// Флаг, указывающий, была ли задача отменена.
+  /// </summary>
+  private bool _isCancelled = false;
+  
+  /// <summary>
+  /// Флаг, указывающий, завершена ли задача.
+  /// </summary>
+  private bool _isCompleted = false;
+  
+  /// <summary>
+  /// Конструктор для инициализации окна прогресса.
+  /// </summary>
+  /// <param name="parTitle">Заголовок окна.</param>
+  /// <param name="parInitialMessage">Начальное сообщение для отображения.</param>
+  /// <param name="parMaxProgress">Максимальное значение прогресса.</param>
+  /// <param name="parAutoClose">Флаг, указывающий, должно ли окно закрываться автоматически по завершении.</param>
+  public ProgressBarWindow(string parTitle, string parInitialMessage, int parMaxProgress, bool parAutoClose = true)
+  {
+    InitializeComponent();
+
+    Title = parTitle;
+    _messageTextBlock.Text = parInitialMessage;
+
+    _maxProgress = parMaxProgress;
+    _autoClose = parAutoClose;
+  }
+  
+  /// <summary>
+  /// Увеличивает текущий прогресс на указанную величину и обновляет сообщение, если предоставлено.
+  /// </summary>
+  /// <param name="parIncrement">Количество единиц, на которое нужно увеличить прогресс.</param>
+  /// <param name="parMessage">Сообщение для отображения в окне (опционально).</param>
+  /// <returns>Возвращает true, если задача была отменена.</returns>
+  public bool AdvanceProgress(int parIncrement = 1, string? parMessage = null)
+  {
+    lock (_lock)
+    {
+      _progress += parIncrement;
+      if (_progress >= _maxProgress)
+      {
+        _progress = _maxProgress;
+
+        _isCompleted = true;
+        _cancelButton.Content = "Close";
+      }
+
+      if (parMessage != null)
+        _messageTextBlock.Text = parMessage;
+
+      _progressBar.Value = (double)_progress / (double)_maxProgress * 100;
+      _progressBar.ToolTip = $"{_progress}/{_maxProgress} {parMessage}";
+
+      if (_isCompleted && _autoClose)
+        Close();
+    }
+
+    return _isCancelled;
+  }
+  
+  /// <summary>
+  /// Обработчик события закрытия окна.
+  /// </summary>
+  /// <param name="parSender">Источник события.</param>
+  /// <param name="parE">Аргументы события закрытия окна.</param>
+  private void Window_Closing(object parSender, CancelEventArgs parE)
+  {
+    if (_isCompleted)
+      return;
+
+    if (!_isCancelled)
+      Cancel();
+  }
+  
+  /// <summary>
+  /// Обработчик события нажатия на кнопку "Cancel/Close".
+  /// </summary>
+  /// <param name="parSender">Источник события.</param>
+  /// <param name="parE">Аргументы события.</param>
+  private void CancelButton_Click(object parSender, RoutedEventArgs parE)
+  {
+    if (!_isCompleted)
+      Cancel();
+    Close();
+  }
+  
+  /// <summary>
+  /// Выполняет отмену задачи и отключает кнопку отмены.
+  /// </summary>
+  private void Cancel()
+  {
+    if (_isCancelled)
+      return;
+
+    _cancelButton.IsEnabled = false;
+    _isCancelled = true;
+    Cancelled?.Invoke(this, EventArgs.Empty);
+  }
+}
\ No newline at end of file