- add: sort visuals

InternalSortMethods/App.axaml

@@ -2,8 +2,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:local="using:InternalSortMethods"
              x:Class="InternalSortMethods.App"
-             RequestedThemeVariant="Default">
-             <!-- "Default" ThemeVariant follows system theme variant. "Dark" or "Light" are other available options. -->
+             RequestedThemeVariant="Dark">
 
     <Application.DataTemplates>
         <local:ViewLocator/>
@@ -11,5 +10,34 @@
 
     <Application.Styles>
         <FluentTheme />
+        
+        <Style Selector="Window">
+            <Setter Property="Background">
+                <Setter.Value>
+                    <LinearGradientBrush StartPoint="0%,0%" EndPoint="100%,100%">
+                        <GradientStop Color="#0F0F1A" Offset="0"/>
+                        <GradientStop Color="#1A1A2E" Offset="0.5"/>
+                        <GradientStop Color="#16213E" Offset="1"/>
+                    </LinearGradientBrush>
+                </Setter.Value>
+            </Setter>
+        </Style>
+
+        <Style Selector="ComboBox">
+            <Setter Property="Background" Value="#20FFFFFF"/>
+            <Setter Property="Foreground" Value="White"/>
+            <Setter Property="BorderBrush" Value="#40FFFFFF"/>
+            <Setter Property="CornerRadius" Value="12"/>
+            <Setter Property="MinHeight" Value="44"/>
+        </Style>
+
+        <Style Selector="ComboBox:pointerover /template/ Border#NormalRectangle">
+            <Setter Property="Background" Value="#30FFFFFF"/>
+            <Setter Property="BorderBrush" Value="#60FFFFFF"/>
+        </Style>
+
+        <Style Selector="Slider">
+            <Setter Property="MinHeight" Value="44"/>
+        </Style>
     </Application.Styles>
 </Application>

InternalSortMethods/Controls/ArrayVisualizer.cs

@@ -0,0 +1,150 @@
+using System;
+using System.Collections.ObjectModel;
+using System.Collections.Specialized;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Media;
+
+namespace InternalSortMethods.Controls;
+
+public class ArrayVisualizer : Control
+{
+    public static readonly StyledProperty<ObservableCollection<Models.ArrayItemModel>?> ItemsProperty =
+        AvaloniaProperty.Register<ArrayVisualizer, ObservableCollection<Models.ArrayItemModel>?>(nameof(Items));
+
+    public ObservableCollection<Models.ArrayItemModel>? Items
+    {
+        get => GetValue(ItemsProperty);
+        set => SetValue(ItemsProperty, value);
+    }
+
+    static ArrayVisualizer()
+    {
+        ItemsProperty.Changed.AddClassHandler<ArrayVisualizer>((x, e) => x.OnItemsChanged(e));
+    }
+
+    public ArrayVisualizer()
+    {
+        ClipToBounds = true;
+    }
+
+    private void OnItemsChanged(AvaloniaPropertyChangedEventArgs e)
+    {
+        if (e.OldValue is ObservableCollection<Models.ArrayItemModel> oldCollection)
+        {
+            oldCollection.CollectionChanged -= OnCollectionChanged;
+            foreach (var item in oldCollection)
+                item.PropertyChanged -= OnItemPropertyChanged;
+        }
+        
+        if (e.NewValue is ObservableCollection<Models.ArrayItemModel> newCollection)
+        {
+            newCollection.CollectionChanged += OnCollectionChanged;
+            foreach (var item in newCollection)
+                item.PropertyChanged += OnItemPropertyChanged;
+        }
+    }
+
+    private void OnCollectionChanged(object? sender, NotifyCollectionChangedEventArgs e)
+    {
+        if (e.NewItems != null)
+        {
+            foreach (Models.ArrayItemModel item in e.NewItems)
+                item.PropertyChanged += OnItemPropertyChanged;
+        }
+        if (e.OldItems != null)
+        {
+            foreach (Models.ArrayItemModel item in e.OldItems)
+                item.PropertyChanged -= OnItemPropertyChanged;
+        }
+        InvalidateVisual();
+    }
+
+    private void OnItemPropertyChanged(object? sender, System.ComponentModel.PropertyChangedEventArgs? e)
+    {
+        InvalidateVisual();
+    }
+
+    public override void Render(DrawingContext context)
+    {
+        if (Items == null || Items.Count == 0 || Bounds.Width <= 0 || Bounds.Height <= 0)
+            return;
+
+        double width = Bounds.Width;
+        double height = Bounds.Height;
+        int count = Items.Count;
+        double barWidth = (width - (count - 1) * 2) / count;
+        double maxValue = 100.0;
+
+        var backgroundBrush = new SolidColorBrush(Color.Parse("#1E1E2E"));
+        context.DrawRectangle(backgroundBrush, null, new Rect(0, 0, width, height));
+
+        for (int i = 0; i < count; i++)
+        {
+            var item = Items[i];
+            double barHeight = (item.Value / maxValue) * height * 0.9;
+            double x = i * (barWidth + 2);
+            double y = height - barHeight;
+
+            var brush = GetBrushForState(item.State);
+            context.DrawRectangle(brush, null, new Rect(x, y, barWidth, barHeight));
+        }
+    }
+
+    private IBrush GetBrushForState(Models.ArrayItemState state)
+    {
+        return state switch
+        {
+            Models.ArrayItemState.Comparing => new LinearGradientBrush
+            {
+                StartPoint = new RelativePoint(0, 1, RelativeUnit.Absolute),
+                EndPoint = new RelativePoint(0, 0, RelativeUnit.Absolute),
+                GradientStops =
+                [
+                    new GradientStop(Color.Parse("#FF6B6B"), 0),
+                    new GradientStop(Color.Parse("#FF8E8E"), 1)
+                ]
+            },
+            Models.ArrayItemState.Swapping => new LinearGradientBrush
+            {
+                StartPoint = new RelativePoint(0, 1, RelativeUnit.Absolute),
+                EndPoint = new RelativePoint(0, 0, RelativeUnit.Absolute),
+                GradientStops =
+                [
+                    new GradientStop(Color.Parse("#FFE66D"), 0),
+                    new GradientStop(Color.Parse("#FFB347"), 1)
+                ]
+            },
+            Models.ArrayItemState.Sorted => new LinearGradientBrush
+            {
+                StartPoint = new RelativePoint(0, 1, RelativeUnit.Absolute),
+                EndPoint = new RelativePoint(0, 0, RelativeUnit.Absolute),
+                GradientStops =
+                [
+                    new GradientStop(Color.Parse("#4ADE80"), 0),
+                    new GradientStop(Color.Parse("#22C55E"), 1)
+                ]
+            },
+            Models.ArrayItemState.Pivot => new LinearGradientBrush
+            {
+                StartPoint = new RelativePoint(0, 1, RelativeUnit.Absolute),
+                EndPoint = new RelativePoint(0, 0, RelativeUnit.Absolute),
+                GradientStops =
+                [
+                    new GradientStop(Color.Parse("#C084FC"), 0),
+                    new GradientStop(Color.Parse("#A855F7"), 1)
+                ]
+            },
+            _ => new LinearGradientBrush
+            {
+                StartPoint = new RelativePoint(0, 1, RelativeUnit.Absolute),
+                EndPoint = new RelativePoint(0, 0, RelativeUnit.Absolute),
+                GradientStops =
+                [
+                    new GradientStop(Color.Parse("#6366F1"), 0),
+                    new GradientStop(Color.Parse("#4F46E5"), 1)
+                ]
+            }
+        };
+    }
+}

InternalSortMethods/Models/SortAlgorithmsProvider.cs

@@ -0,0 +1,38 @@
+using System.Collections.Generic;
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace InternalSortMethods.Models;
+
+public static class SortAlgorithmsProvider
+{
+    public static IReadOnlyList<SortingAlgorithm> Algorithms { get; } =
+    [
+        new BubbleSort(),
+        new SelectionSort(),
+        new InsertionSort(),
+        new QuickSort(),
+        new MergeSort(),
+        new HeapSort()
+    ];
+}
+
+public partial class ArrayItemModel : ObservableObject
+{
+    [ObservableProperty]
+    private int _value;
+
+    [ObservableProperty]
+    private int _index;
+
+    [ObservableProperty]
+    private ArrayItemState _state = ArrayItemState.Normal;
+}
+
+public enum ArrayItemState
+{
+    Normal,
+    Comparing,
+    Swapping,
+    Sorted,
+    Pivot
+}

InternalSortMethods/Models/SortStep.cs

@@ -0,0 +1,22 @@
+using System.Collections.Generic;
+
+namespace InternalSortMethods.Models;
+
+public enum SortActionType
+{
+    Compare,
+    Swap,
+    Set,
+    MarkSorted,
+    MarkPivot
+}
+
+public record SortStep(int Index1, int Index2, SortActionType Action, int[]? ArraySnapshot = null);
+
+public record SortState(int[] Array, List<SortStep> Steps, int CurrentStep, bool IsComplete);
+
+public class SortingResult
+{
+    public required int[] SortedArray { get; init; }
+    public required List<SortStep> Steps { get; init; } = [];
+}

InternalSortMethods/Models/SortingAlgorithms.cs

@@ -0,0 +1,277 @@
+using System.Collections.Generic;
+
+namespace InternalSortMethods.Models;
+
+public abstract class SortingAlgorithm
+{
+    public abstract string Name { get; }
+    public abstract string NameRu { get; }
+
+    protected List<SortStep> Steps { get; } = [];
+    protected int[] _array = [];
+
+    public SortingResult Sort(int[] array)
+    {
+        _array = (int[])array.Clone();
+        Steps.Clear();
+        OnSort();
+        return new SortingResult
+        {
+            SortedArray = _array,
+            Steps = [.. Steps]
+        };
+    }
+
+    protected void Compare(int i, int j)
+    {
+        Steps.Add(new SortStep(i, j, SortActionType.Compare));
+    }
+
+    protected void Swap(int i, int j)
+    {
+        (_array[i], _array[j]) = (_array[j], _array[i]);
+        Steps.Add(new SortStep(i, j, SortActionType.Swap, (int[])_array.Clone()));
+    }
+
+    protected void SetValue(int index, int value)
+    {
+        _array[index] = value;
+        Steps.Add(new SortStep(index, -1, SortActionType.Set, (int[])_array.Clone()));
+    }
+
+    protected void MarkSorted(int index)
+    {
+        Steps.Add(new SortStep(index, -1, SortActionType.MarkSorted));
+    }
+
+    protected void MarkPivot(int index)
+    {
+        Steps.Add(new SortStep(index, -1, SortActionType.MarkPivot));
+    }
+
+    protected abstract void OnSort();
+}
+
+public class BubbleSort : SortingAlgorithm
+{
+    public override string Name => "Bubble Sort";
+    public override string NameRu => "Пузырьковая";
+
+    protected override void OnSort()
+    {
+        int n = _array.Length;
+        for (int i = 0; i < n - 1; i++)
+        {
+            bool swapped = false;
+            for (int j = 0; j < n - i - 1; j++)
+            {
+                Compare(j, j + 1);
+                if (_array[j] > _array[j + 1])
+                {
+                    Swap(j, j + 1);
+                    swapped = true;
+                }
+            }
+            MarkSorted(n - i - 1);
+            if (!swapped) break;
+        }
+        MarkSorted(0);
+    }
+}
+
+public class SelectionSort : SortingAlgorithm
+{
+    public override string Name => "Selection Sort";
+    public override string NameRu => "Выбором";
+
+    protected override void OnSort()
+    {
+        int n = _array.Length;
+        for (int i = 0; i < n - 1; i++)
+        {
+            int minIdx = i;
+            for (int j = i + 1; j < n; j++)
+            {
+                Compare(j, minIdx);
+                if (_array[j] < _array[minIdx])
+                    minIdx = j;
+            }
+            if (minIdx != i)
+                Swap(i, minIdx);
+            MarkSorted(i);
+        }
+        MarkSorted(n - 1);
+    }
+}
+
+public class InsertionSort : SortingAlgorithm
+{
+    public override string Name => "Insertion Sort";
+    public override string NameRu => "Вставками";
+
+    protected override void OnSort()
+    {
+        int n = _array.Length;
+        for (int i = 1; i < n; i++)
+        {
+            int key = _array[i];
+            int j = i - 1;
+            Compare(j, i);
+            while (j >= 0 && _array[j] > key)
+            {
+                SetValue(j + 1, _array[j]);
+                j--;
+                if (j >= 0) Compare(j, i);
+            }
+            SetValue(j + 1, key);
+        }
+        MarkSorted(0);
+    }
+}
+
+public class QuickSort : SortingAlgorithm
+{
+    public override string Name => "Quick Sort";
+    public override string NameRu => "Быстрая";
+
+    protected override void OnSort()
+    {
+        QuickSortRecursive(0, _array.Length - 1);
+        MarkSorted(0);
+    }
+
+    private void QuickSortRecursive(int low, int high)
+    {
+        if (low < high)
+        {
+            int pi = Partition(low, high);
+            QuickSortRecursive(low, pi - 1);
+            QuickSortRecursive(pi + 1, high);
+        }
+    }
+
+    private int Partition(int low, int high)
+    {
+        int pivot = _array[high];
+        MarkPivot(high);
+        int i = low - 1;
+        for (int j = low; j < high; j++)
+        {
+            Compare(j, high);
+            if (_array[j] < pivot)
+            {
+                i++;
+                if (i != j) Swap(i, j);
+            }
+        }
+        if (i + 1 != high) Swap(i + 1, high);
+        MarkSorted(i + 1);
+        return i + 1;
+    }
+}
+
+public class MergeSort : SortingAlgorithm
+{
+    public override string Name => "Merge Sort";
+    public override string NameRu => "Слиянием";
+
+    protected override void OnSort()
+    {
+        MergeSortRecursive(0, _array.Length - 1);
+        MarkSorted(0);
+    }
+
+    private void MergeSortRecursive(int left, int right)
+    {
+        if (left < right)
+        {
+            int mid = left + (right - left) / 2;
+            MergeSortRecursive(left, mid);
+            MergeSortRecursive(mid + 1, right);
+            Merge(left, mid, right);
+        }
+    }
+
+    private void Merge(int left, int mid, int right)
+    {
+        int n1 = mid - left + 1;
+        int n2 = right - mid;
+        int[] leftArr = new int[n1];
+        int[] rightArr = new int[n2];
+        
+        for (int x = 0; x < n1; x++) leftArr[x] = _array[left + x];
+        for (int x = 0; x < n2; x++) rightArr[x] = _array[mid + 1 + x];
+
+        int i = 0, j = 0, k = left;
+        while (i < n1 && j < n2)
+        {
+            Compare(left + i, mid + 1 + j);
+            if (leftArr[i] <= rightArr[j])
+            {
+                SetValue(k, leftArr[i]);
+                i++;
+            }
+            else
+            {
+                SetValue(k, rightArr[j]);
+                j++;
+            }
+            k++;
+        }
+        while (i < n1)
+        {
+            SetValue(k, leftArr[i]);
+            i++; k++;
+        }
+        while (j < n2)
+        {
+            SetValue(k, rightArr[j]);
+            j++; k++;
+        }
+    }
+}
+
+public class HeapSort : SortingAlgorithm
+{
+    public override string Name => "Heap Sort";
+    public override string NameRu => "Кучей";
+
+    protected override void OnSort()
+    {
+        int n = _array.Length;
+        for (int i = n / 2 - 1; i >= 0; i--)
+            Heapify(n, i);
+        for (int i = n - 1; i > 0; i--)
+        {
+            Swap(0, i);
+            MarkSorted(i);
+            Heapify(i, 0);
+        }
+        MarkSorted(0);
+    }
+
+    private void Heapify(int heapSize, int root)
+    {
+        int largest = root;
+        int left = 2 * root + 1;
+        int right = 2 * root + 2;
+
+        if (left < heapSize)
+        {
+            Compare(left, largest);
+            if (_array[left] > _array[largest])
+                largest = left;
+        }
+        if (right < heapSize)
+        {
+            Compare(right, largest);
+            if (_array[right] > _array[largest])
+                largest = right;
+        }
+        if (largest != root)
+        {
+            Swap(root, largest);
+            Heapify(heapSize, largest);
+        }
+    }
+}

InternalSortMethods/ViewModels/MainViewModel.cs

@@ -1,8 +1,262 @@
-using CommunityToolkit.Mvvm.ComponentModel;
+using System;
+using System.Collections.ObjectModel;
+using System.Threading;
+using System.Threading.Tasks;
+using Avalonia.Threading;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using InternalSortMethods.Models;
 
 namespace InternalSortMethods.ViewModels;
 
 public partial class MainViewModel : ViewModelBase
 {
-    [ObservableProperty] private string _greeting = "Welcome to Avalonia!";
+    private CancellationTokenSource? _cancellationTokenSource;
+    private SortingResult? _currentResult;
+    private int _currentStepIndex;
+    private readonly ManualResetEventSlim _pauseEvent = new(true);
+
+    [ObservableProperty] private ObservableCollection<ArrayItemModel> _arrayItems = [];
+    [ObservableProperty] private ObservableCollection<SortingAlgorithm> _algorithms = [];
+    [ObservableProperty] private SortingAlgorithm? _selectedAlgorithm;
+    [ObservableProperty] private int _arraySize = 20;
+    [ObservableProperty] private double _animationSpeed = 500;
+    [ObservableProperty] private bool _isRunning;
+    [ObservableProperty] private bool _isPaused;
+    [ObservableProperty] private bool _isComplete;
+    [ObservableProperty] private string _statusText = "Готов";
+
+    public MainViewModel()
+    {
+        foreach (var algo in SortAlgorithmsProvider.Algorithms)
+            Algorithms.Add(algo);
+        SelectedAlgorithm = Algorithms[0];
+        GenerateArray();
+    }
+
+    partial void OnSelectedAlgorithmChanged(SortingAlgorithm? value)
+    {
+        if (value != null && !IsRunning)
+            ResetCommand.Execute(null);
+    }
+
+    partial void OnArraySizeChanged(int value)
+    {
+        if (!IsRunning)
+            GenerateArray();
+    }
+
+    [RelayCommand]
+    private void GenerateArray()
+    {
+        ArrayItems.Clear();
+        var random = new Random();
+        int maxVal = 100;
+        for (int i = 0; i < ArraySize; i++)
+        {
+            ArrayItems.Add(new ArrayItemModel
+            {
+                Value = random.Next(10, maxVal),
+                Index = i,
+                State = ArrayItemState.Normal
+            });
+        }
+        ResetStates();
+        StatusText = "Массив сгенерирован";
+    }
+
+    [RelayCommand(CanExecute = nameof(CanStart))]
+    private async Task StartAsync()
+    {
+        if (IsComplete || _currentResult == null)
+        {
+            _cancellationTokenSource?.Cancel();
+            _cancellationTokenSource = new CancellationTokenSource();
+            var token = _cancellationTokenSource.Token;
+            
+            IsRunning = true;
+            IsComplete = false;
+            StatusText = $"Сортировка: {SelectedAlgorithm?.NameRu}";
+            
+            var arr = GetCurrentArray();
+            _currentResult = SelectedAlgorithm!.Sort(arr);
+            _currentStepIndex = 0;
+            
+            _ = Task.Run(() => ProcessStepsAsync(token), token);
+        }
+        else
+        {
+            _pauseEvent.Set();
+            IsPaused = false;
+            StatusText = $"Продолжено";
+        }
+        
+        StartCommand.NotifyCanExecuteChanged();
+        PauseCommand.NotifyCanExecuteChanged();
+        StepForwardCommand.NotifyCanExecuteChanged();
+        ResetCommand.NotifyCanExecuteChanged();
+    }
+
+    private bool CanStart() => !IsRunning || IsPaused || IsComplete;
+
+    [RelayCommand(CanExecute = nameof(CanPause))]
+    private void Pause()
+    {
+        _pauseEvent.Reset();
+        IsPaused = true;
+        StatusText = "Пауза";
+        
+        StartCommand.NotifyCanExecuteChanged();
+        PauseCommand.NotifyCanExecuteChanged();
+        StepForwardCommand.NotifyCanExecuteChanged();
+    }
+
+    private bool CanPause() => IsRunning && !IsPaused;
+
+    [RelayCommand(CanExecute = nameof(CanStep))]
+    private async Task StepForward()
+    {
+        if (_currentResult == null || _currentStepIndex >= _currentResult.Steps.Count)
+            return;
+
+        _pauseEvent.Reset();
+        IsPaused = true;
+        
+        await ApplyStepAsync(_currentResult.Steps[_currentStepIndex]);
+        _currentStepIndex++;
+        
+        if (_currentStepIndex >= _currentResult.Steps.Count)
+            Complete();
+        
+        StartCommand.NotifyCanExecuteChanged();
+        PauseCommand.NotifyCanExecuteChanged();
+        StepForwardCommand.NotifyCanExecuteChanged();
+    }
+
+    private bool CanStep() => IsRunning && _currentResult != null && _currentStepIndex < _currentResult.Steps.Count;
+
+    [RelayCommand]
+    private void Reset()
+    {
+        _cancellationTokenSource?.Cancel();
+        _cancellationTokenSource = null;
+        _currentResult = null;
+        _currentStepIndex = 0;
+        IsRunning = false;
+        IsPaused = false;
+        IsComplete = false;
+        _pauseEvent.Set();
+        
+        ResetStates();
+        StatusText = "Сброшено";
+        
+        StartCommand.NotifyCanExecuteChanged();
+        PauseCommand.NotifyCanExecuteChanged();
+        StepForwardCommand.NotifyCanExecuteChanged();
+        ResetCommand.NotifyCanExecuteChanged();
+    }
+
+    private async Task ProcessStepsAsync(CancellationToken token)
+    {
+        try
+        {
+            while (_currentStepIndex < _currentResult!.Steps.Count && !token.IsCancellationRequested)
+            {
+                _pauseEvent.Wait(token);
+                
+                if (token.IsCancellationRequested) break;
+                
+                await ApplyStepAsync(_currentResult.Steps[_currentStepIndex]);
+                _currentStepIndex++;
+                
+                await Task.Delay((int)AnimationSpeed, token);
+            }
+            
+            if (!token.IsCancellationRequested)
+                Complete();
+        }
+        catch (OperationCanceledException) { }
+    }
+
+    private async Task ApplyStepAsync(SortStep step)
+    {
+        await Dispatcher.UIThread.InvokeAsync(() =>
+        {
+            for (int i = 0; i < ArrayItems.Count; i++)
+            {
+                if (ArrayItems[i].State != ArrayItemState.Sorted)
+                    ArrayItems[i].State = ArrayItemState.Normal;
+            }
+
+            int i1 = step.Index1;
+            int i2 = step.Index2;
+
+            switch (step.Action)
+            {
+                case SortActionType.Compare:
+                    if (i1 >= 0 && i1 < ArrayItems.Count)
+                        ArrayItems[i1].State = ArrayItemState.Comparing;
+                    if (i2 >= 0 && i2 < ArrayItems.Count)
+                        ArrayItems[i2].State = ArrayItemState.Comparing;
+                    break;
+
+                case SortActionType.Swap:
+                    if (i1 >= 0 && i1 < ArrayItems.Count && i2 >= 0 && i2 < ArrayItems.Count)
+                    {
+                        (ArrayItems[i1].Value, ArrayItems[i2].Value) = (ArrayItems[i2].Value, ArrayItems[i1].Value);
+                        ArrayItems[i1].State = ArrayItemState.Swapping;
+                        ArrayItems[i2].State = ArrayItemState.Swapping;
+                    }
+                    break;
+
+                case SortActionType.Set:
+                    if (i1 >= 0 && i1 < ArrayItems.Count && step.ArraySnapshot != null && i1 < step.ArraySnapshot.Length)
+                        ArrayItems[i1].Value = step.ArraySnapshot[i1];
+                    break;
+
+                case SortActionType.MarkSorted:
+                    if (i1 >= 0 && i1 < ArrayItems.Count)
+                        ArrayItems[i1].State = ArrayItemState.Sorted;
+                    break;
+
+                case SortActionType.MarkPivot:
+                    if (i1 >= 0 && i1 < ArrayItems.Count)
+                        ArrayItems[i1].State = ArrayItemState.Pivot;
+                    break;
+            }
+        });
+    }
+
+    private void Complete()
+    {
+        IsRunning = false;
+        IsComplete = true;
+        
+        Dispatcher.UIThread.Post(() =>
+        {
+            foreach (var item in ArrayItems)
+                item.State = ArrayItemState.Sorted;
+            
+            StatusText = "Сортировка завершена!";
+            
+            StartCommand.NotifyCanExecuteChanged();
+            PauseCommand.NotifyCanExecuteChanged();
+            StepForwardCommand.NotifyCanExecuteChanged();
+            ResetCommand.NotifyCanExecuteChanged();
+        });
+    }
+
+    private int[] GetCurrentArray()
+    {
+        int[] arr = new int[ArrayItems.Count];
+        for (int i = 0; i < ArrayItems.Count; i++)
+            arr[i] = ArrayItems[i].Value;
+        return arr;
+    }
+
+    private void ResetStates()
+    {
+        foreach (var item in ArrayItems)
+            item.State = ArrayItemState.Normal;
+    }
 }

InternalSortMethods/Views/MainView.axaml

@@ -3,14 +3,110 @@
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
              xmlns:vm="using:InternalSortMethods.ViewModels"
-             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             xmlns:controls="using:InternalSortMethods.Controls"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="600"
              x:Class="InternalSortMethods.Views.MainView"
              x:DataType="vm:MainViewModel">
   <Design.DataContext>
-    <!-- This only sets the DataContext for the previewer in an IDE,
-         to set the actual DataContext for runtime, set the DataContext property in code (look at App.axaml.cs) -->
     <vm:MainViewModel />
   </Design.DataContext>
 
-  <TextBlock Text="{Binding Greeting}" HorizontalAlignment="Center" VerticalAlignment="Center"/>
-</UserControl>
+  <UserControl.Resources>
+    <ControlTheme x:Key="GlassButton" TargetType="Button">
+      <Setter Property="Background" Value="#40666EF1"/>
+      <Setter Property="Foreground" Value="White"/>
+      <Setter Property="CornerRadius" Value="12"/>
+      <Setter Property="Padding" Value="16,12"/>
+      <Setter Property="FontSize" Value="14"/>
+      <Setter Property="FontWeight" Value="SemiBold"/>
+      <Setter Property="MinHeight" Value="48"/>
+      <Setter Property="MinWidth" Value="80"/>
+    </ControlTheme>
+  </UserControl.Resources>
+
+  <Grid RowDefinitions="Auto,*,Auto">
+    <Border Grid.Row="0" Background="#20000000" CornerRadius="16" Margin="16,16,16,8" Padding="16">
+      <Grid RowDefinitions="Auto,Auto" ColumnDefinitions="*,*,Auto">
+        <StackPanel Grid.Row="0" Grid.Column="0" Spacing="12">
+          <TextBlock Text="Алгоритм сортировки" FontSize="12" Foreground="#AAFFFFFF"/>
+          <ComboBox ItemsSource="{Binding Algorithms}"
+                   SelectedItem="{Binding SelectedAlgorithm}"
+                   MinWidth="180" MinHeight="44"
+                   HorizontalAlignment="Stretch">
+            <ComboBox.ItemTemplate>
+              <DataTemplate>
+                <TextBlock Text="{Binding NameRu}"/>
+              </DataTemplate>
+            </ComboBox.ItemTemplate>
+          </ComboBox>
+        </StackPanel>
+
+        <StackPanel Grid.Row="0" Grid.Column="1" Spacing="12" Margin="16,0">
+          <TextBlock Text="Размер массива" FontSize="12" Foreground="#AAFFFFFF"/>
+          <Grid ColumnDefinitions="*,Auto">
+            <Slider Grid.Column="0" Minimum="5" Maximum="50" Value="{Binding ArraySize}"
+                    TickFrequency="5" IsSnapToTickEnabled="True" MinHeight="44"/>
+            <TextBlock Grid.Column="1" Text="{Binding ArraySize}" Width="30" Margin="8,0"
+                     VerticalAlignment="Center" Foreground="White"/>
+          </Grid>
+        </StackPanel>
+
+        <Button Grid.Row="0" Grid.Column="2" Content="Новый массив"
+                Command="{Binding GenerateArrayCommand}"
+                Theme="{StaticResource GlassButton}"
+                VerticalAlignment="Bottom" MinWidth="120"/>
+
+        <StackPanel Grid.Row="1" Grid.ColumnSpan="3" Spacing="12" Margin="0,16,0,0">
+          <TextBlock Text="Скорость анимации" FontSize="12" Foreground="#AAFFFFFF"/>
+          <Grid ColumnDefinitions="*,Auto">
+            <Slider Grid.Column="0" Minimum="50" Maximum="1000" Value="{Binding AnimationSpeed}"
+                    TickFrequency="50" IsSnapToTickEnabled="True" MinHeight="44"/>
+            <TextBlock Grid.Column="1" Text="{Binding AnimationSpeed, StringFormat={}{0:0}} мс" Width="50" Margin="8,0"
+                     VerticalAlignment="Center" Foreground="White"/>
+          </Grid>
+        </StackPanel>
+      </Grid>
+    </Border>
+
+    <Border Grid.Row="1" Background="#15FFFFFF" CornerRadius="16" Margin="16,8" Padding="16">
+      <controls:ArrayVisualizer Items="{Binding ArrayItems}"/>
+    </Border>
+
+    <Border Grid.Row="2" Background="#20000000" CornerRadius="16" Margin="16,8,16,16" Padding="16">
+      <Grid RowDefinitions="Auto,Auto" ColumnDefinitions="*,*,*,*,*">
+        <TextBlock Grid.Row="0" Grid.ColumnSpan="5" Text="{Binding StatusText}"
+                   FontSize="16" FontWeight="SemiBold" Foreground="White"
+                   HorizontalAlignment="Center" Margin="0,0,0,16"/>
+
+        <Button Grid.Row="1" Grid.Column="0" Content="Старт"
+                Command="{Binding StartCommand}"
+                Theme="{StaticResource GlassButton}"
+                HorizontalAlignment="Stretch" Margin="0,0,8,0"/>
+
+        <Button Grid.Row="1" Grid.Column="1" Content="Пауза"
+                Command="{Binding PauseCommand}"
+                Theme="{StaticResource GlassButton}"
+                HorizontalAlignment="Stretch" Margin="0,0,8,0"/>
+
+        <Button Grid.Row="1" Grid.Column="2" Content="Шаг"
+                Command="{Binding StepForwardCommand}"
+                Theme="{StaticResource GlassButton}"
+                HorizontalAlignment="Stretch" Margin="0,0,8,0"/>
+
+        <Button Grid.Row="1" Grid.Column="3" Content="Сброс"
+                Command="{Binding ResetCommand}"
+                Theme="{StaticResource GlassButton}"
+                HorizontalAlignment="Stretch" Margin="0,0,8,0"/>
+
+        <StackPanel Grid.Row="1" Grid.Column="4" Orientation="Horizontal" HorizontalAlignment="Right">
+          <Ellipse Width="12" Height="12" Fill="#4ADE80" Margin="0,0,8,0"
+                  IsVisible="{Binding IsComplete}"/>
+          <Ellipse Width="12" Height="12" Fill="#FFE66D" Margin="0,0,8,0"
+                  IsVisible="{Binding IsPaused}"/>
+          <Ellipse Width="12" Height="12" Fill="#6366F1"
+                  IsVisible="{Binding IsRunning}"/>
+        </StackPanel>
+      </Grid>
+    </Border>
+  </Grid>
+</UserControl>