LangtonAnt and StrangeChessboard assessment Petar.Peev

katas/LangtonAnt/solutions/petar.peev/LangtonAnt/App.xaml

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+<?xml version = "1.0" encoding = "UTF-8" ?>
+<Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:local="clr-namespace:LangtonAnt"
+             x:Class="LangtonAnt.App">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="Resources/Styles/Colors.xaml" />
+                <ResourceDictionary Source="Resources/Styles/Styles.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

katas/LangtonAnt/solutions/petar.peev/LangtonAnt/App.xaml.cs

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+namespace LangtonAnt;
+
+public partial class App : Application
+{
+	public App()
+	{
+		InitializeComponent();
+
+		MainPage = new AppShell();
+	}
+}

katas/LangtonAnt/solutions/petar.peev/LangtonAnt/AppShell.xaml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<Shell
+    x:Class="LangtonAnt.AppShell"
+    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:local="clr-namespace:LangtonAnt"
+    Shell.FlyoutBehavior="Disabled">
+
+    <ShellContent Title="LangtonAnt"
+        ContentTemplate="{DataTemplate local:MainPage}"
+        Route="MainPage" />
+
+</Shell>

katas/LangtonAnt/solutions/petar.peev/LangtonAnt/AppShell.xaml.cs

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+namespace LangtonAnt;
+
+public partial class AppShell : Shell
+{
+	public AppShell()
+	{
+		InitializeComponent();
+	}
+}

katas/LangtonAnt/solutions/petar.peev/LangtonAnt/LangtonAnt.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<TargetFrameworks>net7.0-android;net7.0-ios;net7.0-maccatalyst</TargetFrameworks>
+		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net7.0-windows10.0.19041.0</TargetFrameworks>
+		<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
+		<!-- <TargetFrameworks>$(TargetFrameworks);net7.0-tizen</TargetFrameworks> -->
+		<OutputType>Exe</OutputType>
+		<RootNamespace>LangtonAnt</RootNamespace>
+		<UseMaui>true</UseMaui>
+		<SingleProject>true</SingleProject>
+		<ImplicitUsings>enable</ImplicitUsings>
+
+		<!-- Display name -->
+		<ApplicationTitle>LangtonAnt</ApplicationTitle>
+
+		<!-- App Identifier -->
+		<ApplicationId>com.companyname.langtonant</ApplicationId>
+		<ApplicationIdGuid>f4625517-8028-4c23-ba09-295e8cd520db</ApplicationIdGuid>
+
+		<!-- Versions -->
+		<ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
+		<ApplicationVersion>1</ApplicationVersion>
+
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">11.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">13.1</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
+		<TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<!-- App Icon -->
+		<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
+
+		<!-- Splash Screen -->
+		<MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128" />
+
+		<!-- Images -->
+		<MauiImage Include="Resources\Images\*" />
+		<MauiImage Update="Resources\Images\dotnet_bot.svg" BaseSize="168,208" />
+
+		<!-- Custom Fonts -->
+		<MauiFont Include="Resources\Fonts\*" />
+
+		<!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
+		<MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
+	</ItemGroup>
+
+	<ItemGroup>
+	  <None Remove="Resources\Images\ant.svg" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="7.0.0" />
+	</ItemGroup>
+
+</Project>

katas/LangtonAnt/solutions/petar.peev/LangtonAnt/LangtonAnt.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31611.283
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LangtonAnt", "LangtonAnt.csproj", "{538C5CEB-16DD-40C4-A823-27964FCA2E4F}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{538C5CEB-16DD-40C4-A823-27964FCA2E4F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{538C5CEB-16DD-40C4-A823-27964FCA2E4F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{538C5CEB-16DD-40C4-A823-27964FCA2E4F}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
+		{538C5CEB-16DD-40C4-A823-27964FCA2E4F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{538C5CEB-16DD-40C4-A823-27964FCA2E4F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{538C5CEB-16DD-40C4-A823-27964FCA2E4F}.Release|Any CPU.Deploy.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {61F7FB11-1E47-470C-91E2-47F8143E1572}
+	EndGlobalSection
+EndGlobal

katas/LangtonAnt/solutions/petar.peev/LangtonAnt/MainPage.xaml

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+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:graphics="clr-namespace:LangtonAnt.Utils"
+             x:Class="LangtonAnt.MainPage">
+    <ContentPage.Resources>
+        <graphics:AntDrawable x:Key="AntDrawable" />
+    </ContentPage.Resources>
+    <Grid RowDefinitions="Auto, *">
+        <Grid.Resources>
+            <Style x:Key="LabelStyle"
+                   TargetType="Label">
+                <Setter Property="Margin"
+                        Value="50,15,0,10" />
+                <Setter Property="WidthRequest"
+                        Value="200" />
+            </Style>
+        </Grid.Resources>
+        <VerticalStackLayout Spacing="10"
+                             Padding="0,10,0,0"
+                             VerticalOptions="Center">
+            <HorizontalStackLayout>
+                <Label Text="Kantenlänge:"
+                       Style="{StaticResource LabelStyle}" />
+                <Entry WidthRequest="120"
+                       MaximumHeightRequest="20"
+                       Text="{Binding Data.EdgeLenght, Mode=TwoWay}" />
+                <Label Text="Maximal Anzahl der Züge:"
+                       Style="{StaticResource LabelStyle}" />
+                <Entry WidthRequest="120"
+                       MaximumHeightRequest="20"
+                       Text="{Binding Data.MaxMovesCount, Mode=TwoWay}" />
+                <Label Text="Zuggeschwindigkeit [ms]:"
+                       Style="{StaticResource LabelStyle}" />
+                <Entry WidthRequest="120"
+                       MaximumHeightRequest="20"
+                       Text="{Binding Data.DelayTime, Mode=TwoWay}" />
+                <Button Text="Save result"
+                        Margin="30,0"
+                        Command="{Binding SaveAsFileCommand}" />
+            </HorizontalStackLayout>
+            <HorizontalStackLayout>
+                <Label Text="Startposition der Ameise:"
+                       Style="{StaticResource LabelStyle}" />
+                <Entry WidthRequest="55"
+                       Margin="0,-5,0,5"
+                       IsEnabled="False"
+                       MaximumHeightRequest="20"
+                       Text="{Binding Data.AnpStartPosition.Row, Mode=TwoWay}" />
+                <Entry WidthRequest="55"
+                       Margin="10,-5,0,5"
+                       IsEnabled="False"
+                       MaximumHeightRequest="20"
+                       Text="{Binding Data.AnpStartPosition.Column, Mode=TwoWay}" />
+                <Label Text="Blickrichtung der Ameise:"
+                       Style="{StaticResource LabelStyle}" />
+                <Picker WidthRequest="120"
+                        ItemsSource="{Binding Data.OutlookItems}"
+                        MaximumHeightRequest="20"
+                        SelectedItem="{Binding Data.AntSelectedStartOutlook, Mode=TwoWay}" />
+                <Label Text="Anzal Züge:"
+                       Style="{StaticResource LabelStyle}" />
+                <Entry WidthRequest="120"
+                       IsEnabled="False"
+                       MaximumHeightRequest="20"
+                       Text="{Binding Data.CurrentMovesCount, Mode=TwoWay}" />
+                <Button Text="Load result"
+                        Margin="30,0"
+                        Command="{Binding LoadFromFileCommand}" />
+            </HorizontalStackLayout>
+
+            <!--<Label Text="{Binding Data.CurrentResult, Mode=OneWay}"
+                   SemanticProperties.HeadingLevel="Level1"
+                   FontSize="16"
+                   HorizontalOptions="Center" />-->
+            <GraphicsView Drawable="{StaticResource AntDrawable}"
+                          Margin="20"
+                          VerticalOptions="StartAndExpand"
+                          Grid.Column="1"
+                          WidthRequest="500"
+                          HeightRequest="500"
+                          HorizontalOptions="StartAndExpand"
+                          x:Name="antGraphicsView">
+            </GraphicsView>
+
+        </VerticalStackLayout>
+    </Grid>
+
+</ContentPage>

katas/LangtonAnt/solutions/petar.peev/LangtonAnt/MainPage.xaml.cs

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+namespace LangtonAnt;
+public partial class MainPage : ContentPage
+{
+	DashboardViewModel viewModel = new DashboardViewModel();
+    public MainPage()
+	{
+        viewModel.Initialize();
+		BindingContext = viewModel;
+        AntDrawable.Matchfield = viewModel.Data;
+        InitializeComponent();
+
+		Loaded += (sender, args) => {
+            viewModel.Data.PropertyChanged += (sender, args) => { if (args.PropertyName == "CurrentResult") antGraphicsView.Invalidate(); };
+            viewModel.LoadDataCommand.Execute(null);
+		};
+	}
+}
+

katas/LangtonAnt/solutions/petar.peev/LangtonAnt/MauiProgram.cs

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+global using LangtonAnt.Mvvm.Lite;
+global using LangtonAnt.Utils;
+global using LangtonAnt.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace LangtonAnt;
+
+public static class MauiProgram
+{
+	public static MauiApp CreateMauiApp()
+	{
+		var builder = MauiApp.CreateBuilder();
+		builder
+			.UseMauiApp<App>()
+			.ConfigureFonts(fonts =>
+			{
+				fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
+				fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
+			});
+
+#if DEBUG
+		builder.Logging.AddDebug();
+#endif
+
+		return builder.Build();
+	}
+}

katas/LangtonAnt/solutions/petar.peev/LangtonAnt/Mvvm.Lite/BaseViewModel.cs

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+using System.Windows.Input;
+namespace LangtonAnt.Mvvm.Lite;
+/// <summary>
+/// Abstarct base-klasse für MVVM-ViewModels
+/// </summary>
+public abstract class BaseViewModel : NotificationBase
+{
+    private bool _isRefreshing = false;
+    private bool _isBusy = false;
+    private string _title;
+
+    public bool IsRefreshing
+    {
+        get => _isRefreshing;
+        protected set
+        {
+            if (_isRefreshing == value)
+                return;
+
+            _isRefreshing = value;
+            RaisePropertyChanged(nameof(IsRefreshing));
+        }
+    }
+    public bool IsBusy
+    {
+        get => _isBusy;
+        protected set
+        {
+            if (_isBusy == value)
+                return;
+
+            _isBusy = value;
+
+            RaisePropertyChanged(nameof(IsBusy));
+        }
+    }
+    public string Title
+    {
+        get => _title;
+        set {
+            if(_title != value)
+            {
+                _title = value;
+                RaisePropertyChanged(nameof(Title));
+            }
+        }
+    }
+    public ICommand LoadDataCommand { get; protected set; }
+}

katas/LangtonAnt/solutions/petar.peev/LangtonAnt/Mvvm.Lite/NotificationBase.cs

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+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+
+namespace LangtonAnt.Mvvm.Lite;
+
+public abstract class NotificationBase : INotifyPropertyChanged
+{
+    public event PropertyChangedEventHandler PropertyChanged;
+
+    // SetField (Name, value); // where there is a data member
+    protected virtual bool SetProperty<T>(ref T field, T value, [CallerMemberName] string property = null)
+    {
+        if (EqualityComparer<T>.Default.Equals(field, value)) return false;
+        field = value;
+        RaisePropertyChanged(property);
+        return true;
+    }
+
+    // SetField(()=> somewhere.Name = value; somewhere.Name, value) // Advanced case where you rely on another property
+    protected virtual void SetProperty<T>(T currentValue, T newValue, Action doSet, [CallerMemberName] string property = null)
+    {
+        if (EqualityComparer<T>.Default.Equals(currentValue, newValue)) return;
+        doSet.Invoke();
+        RaisePropertyChanged(property);
+    }
+
+    protected void RaisePropertyChanged(string property)
+    {
+        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(property));
+    }
+}
+
+public abstract class NotificationBase<T> : NotificationBase where T : class, new()
+{
+    protected readonly T This;
+
+    public static implicit operator T(NotificationBase<T> thing) { return thing.This; }
+
+    protected NotificationBase(T thing = null)
+    {
+        This = thing ?? new T();
+    }
+}

katas/LangtonAnt/solutions/petar.peev/LangtonAnt/Platforms/Android/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+	<application android:allowBackup="true" android:icon="@mipmap/appicon" android:roundIcon="@mipmap/appicon_round" android:supportsRtl="true"></application>
+	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+	<uses-permission android:name="android.permission.INTERNET" />
+</manifest>

katas/LangtonAnt/solutions/petar.peev/LangtonAnt/Platforms/Android/MainActivity.cs

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+using Android.App;
+using Android.Content.PM;
+using Android.OS;
+
+namespace LangtonAnt;
+
+[Activity(Theme = "@style/Maui.SplashTheme", MainLauncher = true, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation | ConfigChanges.UiMode | ConfigChanges.ScreenLayout | ConfigChanges.SmallestScreenSize | ConfigChanges.Density)]
+public class MainActivity : MauiAppCompatActivity
+{
+}