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This commit is contained in:
2024-09-11 20:21:01 +03:00
parent d11a80b884
commit 8675b316b5
8 changed files with 362 additions and 59 deletions

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@@ -7,10 +7,11 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Tool", "Tool\Tool.csproj",
EndProject EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Lab2", "Lab2\Lab2.csproj", "{BC81743D-B4D3-4D25-A966-AD697757E98C}" Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Lab2", "Lab2\Lab2.csproj", "{BC81743D-B4D3-4D25-A966-AD697757E98C}"
ProjectSection(ProjectDependencies) = postProject ProjectSection(ProjectDependencies) = postProject
{5E9876F7-1F15-4759-8D96-D950649BBDD7} = {5E9876F7-1F15-4759-8D96-D950649BBDD7}
{73C85CBC-5C3A-4F43-8B10-1462B52F709E} = {73C85CBC-5C3A-4F43-8B10-1462B52F709E} {73C85CBC-5C3A-4F43-8B10-1462B52F709E} = {73C85CBC-5C3A-4F43-8B10-1462B52F709E}
EndProjectSection EndProjectSection
EndProject EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ProgressBar", "ProgressBar\ProgressBar.csproj", "{E00EA033-284E-44D9-88E1-8677B0E361AA}"
EndProject
Global Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU 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|x64.Build.0 = Release|Any CPU
{BC81743D-B4D3-4D25-A966-AD697757E98C}.Release|x86.ActiveCfg = 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 {BC81743D-B4D3-4D25-A966-AD697757E98C}.Release|x86.Build.0 = Release|Any CPU
{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU {E00EA033-284E-44D9-88E1-8677B0E361AA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Debug|Any CPU.Build.0 = Debug|Any CPU {E00EA033-284E-44D9-88E1-8677B0E361AA}.Debug|Any CPU.Build.0 = Debug|Any CPU
{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Debug|x64.ActiveCfg = Debug|Any CPU {E00EA033-284E-44D9-88E1-8677B0E361AA}.Debug|x64.ActiveCfg = Debug|Any CPU
{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Debug|x64.Build.0 = Debug|Any CPU {E00EA033-284E-44D9-88E1-8677B0E361AA}.Debug|x64.Build.0 = Debug|Any CPU
{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Debug|x86.ActiveCfg = Debug|Any CPU {E00EA033-284E-44D9-88E1-8677B0E361AA}.Debug|x86.ActiveCfg = Debug|Any CPU
{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Debug|x86.Build.0 = Debug|Any CPU {E00EA033-284E-44D9-88E1-8677B0E361AA}.Debug|x86.Build.0 = Debug|Any CPU
{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Release|Any CPU.ActiveCfg = Release|Any CPU {E00EA033-284E-44D9-88E1-8677B0E361AA}.Release|Any CPU.ActiveCfg = Release|Any CPU
{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Release|Any CPU.Build.0 = Release|Any CPU {E00EA033-284E-44D9-88E1-8677B0E361AA}.Release|Any CPU.Build.0 = Release|Any CPU
{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Release|x64.ActiveCfg = Release|Any CPU {E00EA033-284E-44D9-88E1-8677B0E361AA}.Release|x64.ActiveCfg = Release|Any CPU
{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Release|x64.Build.0 = Release|Any CPU {E00EA033-284E-44D9-88E1-8677B0E361AA}.Release|x64.Build.0 = Release|Any CPU
{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Release|x86.ActiveCfg = Release|Any CPU {E00EA033-284E-44D9-88E1-8677B0E361AA}.Release|x86.ActiveCfg = Release|Any CPU
{5E9876F7-1F15-4759-8D96-D950649BBDD7}.Release|x86.Build.0 = Release|Any CPU {E00EA033-284E-44D9-88E1-8677B0E361AA}.Release|x86.Build.0 = Release|Any CPU
EndGlobalSection EndGlobalSection
GlobalSection(SolutionProperties) = preSolution GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE HideSolutionNode = FALSE

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@@ -8,6 +8,7 @@
</PropertyGroup> </PropertyGroup>
<ItemGroup> <ItemGroup>
<ProjectReference Include="..\ProgressBar\ProgressBar.csproj" />
<ProjectReference Include="..\Tool\Tool.csproj" /> <ProjectReference Include="..\Tool\Tool.csproj" />
</ItemGroup> </ItemGroup>

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@@ -9,28 +9,60 @@
<Grid> <Grid>
<Grid> <Grid>
<Grid.RowDefinitions> <Grid.RowDefinitions>
<RowDefinition Height="30"/> <RowDefinition Height="30" />
<RowDefinition Height="100*"/> <RowDefinition Height="30" />
<RowDefinition Height="100*" />
</Grid.RowDefinitions> </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 Grid.Row="0">
<Grid.ColumnDefinitions> <Grid.ColumnDefinitions>
<ColumnDefinition Width="1.15*"/> <ColumnDefinition Width="1.15*" />
<ColumnDefinition Width="1.1*"/> <ColumnDefinition Width="1.1*" />
<ColumnDefinition Width="0.8*"/> <ColumnDefinition Width="0.8*" />
<ColumnDefinition Width="0.8*"/> <ColumnDefinition Width="0.8*" />
<ColumnDefinition Width="0.8*"/> <ColumnDefinition Width="0.8*" />
<ColumnDefinition Width="*"/> <ColumnDefinition Width="*" />
</Grid.ColumnDefinitions> </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="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="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="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" /> <Button Click="GenerateButton_Click" Content="Generate" Grid.Column="5" Margin="5,5,5,5" />
</Grid> </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>
</Grid> </Grid>
</Window> </Window>

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@@ -4,6 +4,9 @@ using System.Collections.ObjectModel;
using Patterns; using Patterns;
using System.Collections.Generic; using System.Collections.Generic;
using System.Linq; using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Data;
namespace Lab2 namespace Lab2
{ {
@@ -17,6 +20,11 @@ namespace Lab2
/// </summary> /// </summary>
private ObservableCollection<Tool> _tools = new(); private ObservableCollection<Tool> _tools = new();
/// <summary>
/// Источник представлений для данных
/// </summary>
private CollectionViewSource _viewSource = new();
/// <summary> /// <summary>
/// Случайный генератор /// Случайный генератор
/// </summary> /// </summary>
@@ -27,9 +35,7 @@ namespace Lab2
/// </summary> /// </summary>
private List<IToolFactoryMethod> _factoryMethods = new() private List<IToolFactoryMethod> _factoryMethods = new()
{ {
new ScissorsAndTrimmerFactoryMethod(), new ScissorsAndTrimmerFactoryMethod(), new ScytheAndLawnmowerFactoryMethod(), new PrototypeFactoryMethod(),
new ScytheAndLawnmowerFactoryMethod(),
new PrototypeFactoryMethod(),
}; };
/// <summary> /// <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> /// <summary>
/// Конструктор /// Конструктор
/// </summary> /// </summary>
public MainWindow() public MainWindow()
{ {
DataContext = this;
InitializeComponent(); InitializeComponent();
SelectedMethod = _factoryMethods.First(); SelectedMethod = _factoryMethods.First();
_viewSource.Source = _tools;
DataContext = this; _dataGrid.ItemsSource = _viewSource.View;
_dataGrid.ItemsSource = _tools;
} }
/// <summary> /// <summary>
/// Проверяет, является ли индекс валидным /// Возвращает выбранный в таблице инструмент.
/// </summary> /// </summary>
/// <param name="parIndex"> Индекс </param> /// <returns>Выбранный инструмент или null, если ничего не выбрано.</returns>
/// <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>
private Tool? GetSelectedItem() private Tool? GetSelectedItem()
{ {
if (!IsValidIndex(_dataGrid.SelectedIndex)) return _dataGrid.SelectedItem as Tool;
return null;
return _tools[_dataGrid.SelectedIndex];
} }
/// <summary> /// <summary>
@@ -101,7 +110,8 @@ namespace Lab2
/// <returns>Случайный триммер</returns> /// <returns>Случайный триммер</returns>
private Trimmer GenerateTrimmer() 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> /// <summary>
@@ -110,7 +120,8 @@ namespace Lab2
/// <returns>Случайная газонокосилка</returns> /// <returns>Случайная газонокосилка</returns>
private Lawnmower GenerateLawnmower() 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> /// <summary>
@@ -119,7 +130,8 @@ namespace Lab2
/// <returns>Случайные ножницы</returns> /// <returns>Случайные ножницы</returns>
private Scissors GenerateScissors() 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> /// <summary>
@@ -128,7 +140,41 @@ namespace Lab2
/// <returns>Случайная коса</returns> /// <returns>Случайная коса</returns>
private Scythe GenerateScythe() 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> /// <summary>
@@ -185,16 +231,73 @@ namespace Lab2
/// </summary> /// </summary>
private void GenerateButton_Click(object sender, RoutedEventArgs e) 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(), if (i % 60 == 0)
1 => GenerateScythe(), progressWindow.AdvanceProgress(60);
2 => GenerateTrimmer(),
3 => GenerateLawnmower(), if (i == generateAmount - 1)
_ => GenerateScissors(), 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);
} }
} }
} }

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@@ -11,6 +11,8 @@ namespace Lab2
/// Открывает форму редактирования /// Открывает форму редактирования
/// </summary> /// </summary>
/// <param name="parTool"> Инструмент </param> /// <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> /// <returns> True, если редактирование прошло успешно, иначе - false </returns>
public static bool ShowEditForm(Tool parTool, bool parReadOnly = false, bool parIsForced = false) public static bool ShowEditForm(Tool parTool, bool parReadOnly = false, bool parIsForced = false)
{ {

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@@ -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>

View File

@@ -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>

View File

@@ -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);
}
}