- add solution

.idea/.idea.Mystify.dir/.idea/.gitignore

@@ -0,0 +1,13 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Rider ignored files
+/.idea.Mystify.iml
+/modules.xml
+/contentModel.xml
+/projectSettingsUpdater.xml
+# Datasource local storage ignored files
+/../../../../../../../:\Workspace\Testprojekte\Mystify\.idea\.idea.Mystify.dir\.idea/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/

.idea/.idea.Mystify.dir/.idea/encodings.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+</project>

.idea/.idea.Mystify.dir/.idea/indexLayout.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="UserContentModel">
+    <attachedFolders />
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>

.idea/.idea.Mystify.dir/.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

.idea/.idea.Mystify/.idea/encodings.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+</project>

.idea/.idea.Mystify/.idea/workspace.xml

@@ -0,0 +1,117 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AutoGeneratedRunConfigurationManager">
+    <projectFile>Mystify/Mystify.csproj</projectFile>
+  </component>
+  <component name="ChangeListManager">
+    <list default="true" id="0221b891-b150-4bbf-813e-d901900db1ad" name="Default Changelist" comment="">
+      <change afterPath="$PROJECT_DIR$/.idea/.idea.Mystify.dir/.idea/.gitignore" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/.idea/.idea.Mystify.dir/.idea/encodings.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/.idea/.idea.Mystify.dir/.idea/indexLayout.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/.idea/.idea.Mystify.dir/.idea/vcs.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/.idea/.idea.Mystify/.idea/encodings.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/.idea/.idea.Mystify/.idea/workspace.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/Mystify.sln" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/Mystify/.gitignore" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/Mystify/App.axaml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/Mystify/App.axaml.cs" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/Mystify/Mystify.csproj" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/Mystify/Program.cs" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/Mystify/ViewLocator.cs" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/Mystify/ViewModels/MainWindowViewModel.cs" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/Mystify/ViewModels/ViewModelBase.cs" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/Mystify/Views/MainWindow.axaml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/Mystify/Views/MainWindow.axaml.cs" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/MystifyTempIcon.ico" afterDir="false" />
+    </list>
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="GitToolBoxStore">
+    <option name="projectConfigVersion" value="2" />
+  </component>
+  <component name="HighlightingSettingsPerFile">
+    <setting file="file://$APPLICATION_CONFIG_DIR$/resharper-host/SourcesCache/783DE5A1-32E6-4CE1-9590-C76447498BD2/1/FluentTheme.cs" root0="SKIP_HIGHLIGHTING" />
+  </component>
+  <component name="IdeDocumentHistory">
+    <changedPaths>
+      <option value="$PROJECT_DIR$/Mystify/ViewLocator.cs" />
+      <option value="$PROJECT_DIR$/Mystify/Program.cs" />
+      <option value="$PROJECT_DIR$/Mystify/App.axaml.cs" />
+      <option value="$PROJECT_DIR$/Mystify/Views/MainWindow.axaml.cs" />
+      <option value="$PROJECT_DIR$/Mystify/ViewModels/ViewModelBase.cs" />
+    </changedPaths>
+  </component>
+  <component name="ProjectId" id="1qn67JHYPvsYJveNIpD2b90OIpP" />
+  <component name="ProjectViewState">
+    <option name="autoscrollFromSource" value="true" />
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent">
+    <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
+    <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
+    <property name="WebServerToolWindowFactoryState" value="false" />
+    <property name="node.js.detected.package.eslint" value="true" />
+    <property name="node.js.detected.package.tslint" value="true" />
+    <property name="node.js.selected.package.eslint" value="(autodetect)" />
+    <property name="node.js.selected.package.tslint" value="(autodetect)" />
+    <property name="vue.rearranger.settings.migration" value="true" />
+  </component>
+  <component name="RunManager">
+    <configuration name="Mystify" type="DotNetProject" factoryName=".NET Project">
+      <option name="EXE_PATH" value="" />
+      <option name="PROGRAM_PARAMETERS" value="" />
+      <option name="WORKING_DIRECTORY" value="" />
+      <option name="PASS_PARENT_ENVS" value="1" />
+      <option name="USE_EXTERNAL_CONSOLE" value="0" />
+      <option name="USE_MONO" value="0" />
+      <option name="RUNTIME_ARGUMENTS" value="" />
+      <option name="PROJECT_PATH" value="$PROJECT_DIR$/Mystify/Mystify.csproj" />
+      <option name="PROJECT_EXE_PATH_TRACKING" value="1" />
+      <option name="PROJECT_ARGUMENTS_TRACKING" value="1" />
+      <option name="PROJECT_WORKING_DIRECTORY_TRACKING" value="1" />
+      <option name="PROJECT_KIND" value="DotNetCore" />
+      <option name="PROJECT_TFM" value="" />
+      <method v="2">
+        <option name="Build" />
+      </method>
+    </configuration>
+  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="0221b891-b150-4bbf-813e-d901900db1ad" name="Default Changelist" comment="" />
+      <created>1617702838043</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1617702838043</updated>
+      <workItem from="1617702840894" duration="1854000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="3" />
+  </component>
+  <component name="UnityProjectConfiguration" hasMinimizedUI="null" />
+  <component name="UnityUnitTestConfiguration" currentTestLauncher="NUnit" />
+  <component name="Vcs.Log.Tabs.Properties">
+    <option name="TAB_STATES">
+      <map>
+        <entry key="MAIN">
+          <value>
+            <State />
+          </value>
+        </entry>
+      </map>
+    </option>
+  </component>
+  <component name="VcsManagerConfiguration">
+    <option name="CLEAR_INITIAL_COMMIT_MESSAGE" value="true" />
+  </component>
+</project>

Mystify.sln

@@ -0,0 +1,16 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mystify", "Mystify\Mystify.csproj", "{87373A7B-B012-4E47-A875-0F189DE731E7}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{87373A7B-B012-4E47-A875-0F189DE731E7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{87373A7B-B012-4E47-A875-0F189DE731E7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{87373A7B-B012-4E47-A875-0F189DE731E7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{87373A7B-B012-4E47-A875-0F189DE731E7}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

Mystify/.gitignore

@@ -0,0 +1,8 @@
+.idea/
+.vscode/
+.vs/
+
+bin/
+obj/
+
+*.user

Mystify/App.axaml

@@ -0,0 +1,12 @@
+<Application xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="using:Mystify"
+             x:Class="Mystify.App">
+    <Application.DataTemplates>
+        <local:ViewLocator/>
+    </Application.DataTemplates>
+
+    <Application.Styles>
+        <FluentTheme Mode="Light"/>
+    </Application.Styles>
+</Application>

Mystify/App.axaml.cs

@@ -0,0 +1,26 @@
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Markup.Xaml;
+using Mystify.ViewModels;
+using Mystify.Views;
+
+namespace Mystify
+{
+    public class App : Application
+    {
+        public override void Initialize() => AvaloniaXamlLoader.Load(this);
+
+        public override void OnFrameworkInitializationCompleted()
+        {
+            if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+            {
+                desktop.MainWindow = new MainWindow
+                {
+                    DataContext = new MainWindowViewModel(),
+                };
+            }
+
+            base.OnFrameworkInitializationCompleted();
+        }
+    }
+}

Mystify/Mystify.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+    <PropertyGroup>
+        <OutputType>WinExe</OutputType>
+        <TargetFramework>net5.0</TargetFramework>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+    <ItemGroup>
+        <Folder Include="Models\" />
+        <AvaloniaResource Include="Assets\**" />
+    </ItemGroup>
+    <ItemGroup>
+        <PackageReference Include="Avalonia" Version="0.10.0" />
+        <PackageReference Include="Avalonia.Desktop" Version="0.10.0" />
+        <PackageReference Include="Avalonia.Diagnostics" Version="0.10.0" />
+        <PackageReference Include="Avalonia.ReactiveUI" Version="0.10.0" />
+    </ItemGroup>
+    <ItemGroup>
+      <UpToDateCheckInput Remove="Assets\avalonia-logo.ico" />
+    </ItemGroup>
+</Project>

Mystify/Program.cs

@@ -0,0 +1,21 @@
+using Avalonia;
+using Avalonia.ReactiveUI;
+
+namespace Mystify
+{
+    class Program
+    {
+        // Initialization code. Don't use any Avalonia, third-party APIs or any
+        // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
+        // yet and stuff might break.
+        public static void Main(string[] args) => BuildAvaloniaApp()
+            .StartWithClassicDesktopLifetime(args);
+
+        // Avalonia configuration, don't remove; also used by visual designer.
+        public static AppBuilder BuildAvaloniaApp()
+            => AppBuilder.Configure<App>()
+                .UsePlatformDetect()
+                .LogToTrace()
+                .UseReactiveUI();
+    }
+}

Mystify/ViewLocator.cs

@@ -0,0 +1,25 @@
+using System;
+using Avalonia.Controls;
+using Avalonia.Controls.Templates;
+using Mystify.ViewModels;
+
+namespace Mystify
+{
+    public class ViewLocator : IDataTemplate
+    {
+        public bool SupportsRecycling => false;
+
+        public IControl Build(object data)
+        {
+            string name = data.GetType().FullName!.Replace("ViewModel", "View");
+            Type? type = Type.GetType(name);
+
+            if (type != null)
+                return (Control) Activator.CreateInstance(type)!;
+            
+            return new TextBlock { Text = "Not Found: " + name };
+        }
+
+        public bool Match(object data) => data is ViewModelBase;
+    }
+}

Mystify/ViewModels/MainWindowViewModel.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Mystify.ViewModels
+{
+    public class MainWindowViewModel : ViewModelBase
+    {
+        public string Greeting => "Welcome to Avalonia!";
+    }
+}

Mystify/ViewModels/ViewModelBase.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Linq.Expressions;
+using System.Reflection;
+using Avalonia.Controls;
+using ReactiveUI;
+
+namespace Mystify.ViewModels
+{
+    public class ViewModelBase : ReactiveObject
+    {
+        protected bool IsInDesignMode => Design.IsDesignMode;
+        protected void RaisePropertyChanged(string propertyName) => ((IReactiveObject) this).RaisePropertyChanged(propertyName);
+        protected void RaisePropertyChanged<T>(Expression<Func<T>> propertyExpression)
+        {
+            if (propertyExpression.Body is not MemberExpression body)
+                throw new ArgumentException("Invalid argument.", nameof(propertyExpression));
+            
+            PropertyInfo propertyInfo = body.Member as PropertyInfo ?? throw new ArgumentException("Argument is not a property.", nameof(propertyExpression));
+            ((IReactiveObject) this).RaisePropertyChanged(propertyInfo.Name);
+        }
+    }
+}

Mystify/Views/MainWindow.axaml

@@ -0,0 +1,17 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="using:Mystify.ViewModels"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+        x:Class="Mystify.Views.MainWindow"
+        Icon="/Assets/avalonia-logo.ico"
+        Title="Mystify">
+
+    <Design.DataContext>
+        <vm:MainWindowViewModel/>
+    </Design.DataContext>
+
+    <TextBlock Text="{Binding Greeting}" HorizontalAlignment="Center" VerticalAlignment="Center"/>
+
+</Window>

Mystify/Views/MainWindow.axaml.cs

@@ -0,0 +1,19 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Mystify.Views
+{
+    public class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+#if DEBUG
+            this.AttachDevTools();
+#endif
+        }
+
+        private void InitializeComponent() => AvaloniaXamlLoader.Load(this);
+    }
+}