- add: pause button

LaborWork/Converters.cs

@@ -5,6 +5,21 @@ using Avalonia.Data.Converters;
 
 namespace LaborWork;
 
+public class PauseConverter : IValueConverter
+{
+    public static readonly PauseConverter Instance = new();
+
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        return value is true ? "Продолжить" : "Пауза";
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
+    }
+}
+
 public class HeightConverter : IMultiValueConverter
 {
     public static readonly HeightConverter Instance = new();
@@ -13,13 +28,8 @@ public class HeightConverter : IMultiValueConverter
     {
         if (values.Count >= 2 && values[0] is int value && values[1] is double windowHeight)
         {
-            Console.WriteLine("YAY");
-            // value - это число от 10 до 100
-            // windowHeight - высота окна
-            // Делаем отступ снизу 50 пикселей
             return (value / 100.0) * (windowHeight - 50);
         }
-        Console.WriteLine($"NOO " + values[0].GetType().Name);
         return 0;
     }
 }

LaborWork/ViewModels/MainViewModel.cs

@@ -13,9 +13,21 @@ public partial class MainViewModel : ViewModelBase
 
     [ObservableProperty] private bool _isSorting;
 
+    [ObservableProperty] private bool _isPaused;
+
     [ObservableProperty] private ObservableCollection<SortItem> _items = new();
 
-    [ObservableProperty] private int _speed = 50; 
+    [ObservableProperty] private int _speed = 50;
+
+    partial void OnArraySizeChanged(int value)
+    {
+        GenerateArray();
+    }
+
+    public MainViewModel()
+    {
+        GenerateArray();
+    }
     
     [RelayCommand]
     private void GenerateArray()
@@ -34,6 +46,7 @@ public partial class MainViewModel : ViewModelBase
         if (IsSorting || Items.Count == 0) return;
 
         IsSorting = true;
+        IsPaused = false;
         
         foreach (var item in Items) item.State = ItemState.Default;
 
@@ -47,8 +60,23 @@ public partial class MainViewModel : ViewModelBase
     [RelayCommand]
     private void StopSort()
     {
+        IsPaused = false;
         IsSorting = false;
     }
+
+    [RelayCommand]
+    private void TogglePause()
+    {
+        IsPaused = !IsPaused;
+    }
+
+    private async Task WaitIfPaused()
+    {
+        while (IsPaused && IsSorting)
+        {
+            await Task.Delay(100);
+        }
+    }
     
     private async Task QuickSort(int left, int right)
     {
@@ -59,6 +87,7 @@ public partial class MainViewModel : ViewModelBase
         
         Items[pivotIndex].State = ItemState.Pivot;
         await Task.Delay(Speed);
+        await WaitIfPaused();
 
         var i = left;
         var j = right;
@@ -70,6 +99,7 @@ public partial class MainViewModel : ViewModelBase
                 if(!IsSorting) return;
                 Items[i].State = ItemState.Compare; 
                 await Task.Delay(Speed / 2);
+                await WaitIfPaused();
                 Items[i].State = ItemState.Default;
                 i++;
             }
@@ -79,6 +109,7 @@ public partial class MainViewModel : ViewModelBase
                 if(!IsSorting) return;
                 Items[j].State = ItemState.Compare;
                 await Task.Delay(Speed / 2);
+                await WaitIfPaused();
                 Items[j].State = ItemState.Default;
                 j--;
             }
@@ -92,6 +123,7 @@ public partial class MainViewModel : ViewModelBase
                 (Items[i].Value, Items[j].Value) = (Items[j].Value, Items[i].Value);
 
                 await Task.Delay(Speed);
+                await WaitIfPaused();
 
                 Items[i].State = ItemState.Default;
                 Items[j].State = ItemState.Default;

LaborWork/Views/MainView.axaml

@@ -5,6 +5,7 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:viewModels="clr-namespace:LaborWork.ViewModels"
         xmlns:panels="clr-namespace:Avalonia.Labs.Panels;assembly=Avalonia.Labs.Panels"
+        xmlns:local="using:LaborWork"
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="600"
         x:Class="LaborWork.Views.MainView"
         x:DataType="viewModels:MainViewModel">
@@ -14,11 +15,22 @@
                           Direction="Row" 
                           AlignItems="Center" Wrap="Wrap"
                           Margin="0 0 0 20">
-            <Button Command="{Binding GenerateArrayCommand}" Content="Сгенерировать" Width="120"/>
-            <Button Command="{Binding StartSortCommand}" Content="Старт" Width="120" 
+            <Button Command="{Binding GenerateArrayCommand}" HorizontalContentAlignment="Center"
+                    Content="Сгенерировать" Width="140"
                     IsVisible="{Binding !IsSorting}"/>
-            <Button Command="{Binding StopSortCommand}" Content="Стоп" Width="120" 
+            <Button Command="{Binding StartSortCommand}" HorizontalContentAlignment="Center"
+                    Content="Старт" Width="140" 
+                    IsVisible="{Binding !IsSorting}"/>
+            <Button Command="{Binding StopSortCommand}" HorizontalContentAlignment="Center"
+                    Content="Стоп" Width="140" 
                     IsVisible="{Binding IsSorting}"/>
+            <Button Command="{Binding TogglePauseCommand}" HorizontalContentAlignment="Center"
+                    Width="140" 
+                    IsVisible="{Binding IsSorting}">
+                <Button.Content>
+                    <TextBlock Text="{Binding IsPaused, Converter={x:Static local:PauseConverter.Instance}}"/>
+                </Button.Content>
+            </Button>
             
             <StackPanel Spacing="5" Orientation="Horizontal">
                 <TextBlock Text="Размер:" VerticalAlignment="Center"/>