From 7d8127991f0c511095cd9164604402cf4c65738a Mon Sep 17 00:00:00 2001
From: Max Katz <maxkatz6@outlook.com>
Date: Mon, 27 Feb 2023 22:39:07 -0500
Subject: [PATCH] Return generators sandbox

---
 Avalonia.sln                                  |  7 ++
 samples/Generators.Sandbox/App.xaml           |  7 ++
 samples/Generators.Sandbox/App.xaml.cs        | 20 ++++++
 .../Controls/CustomTextBox.cs                 | 10 +++
 .../Controls/SignUpView.xaml                  | 45 ++++++++++++
 .../Controls/SignUpView.xaml.cs               | 54 ++++++++++++++
 .../Generators.Sandbox.csproj                 | 28 ++++++++
 samples/Generators.Sandbox/Program.cs         | 15 ++++
 .../ViewModels/SignUpViewModel.cs             | 70 +++++++++++++++++++
 .../Generators.Sandbox/Views/SignUpView.xaml  |  9 +++
 .../Views/SignUpView.xaml.cs                  | 28 ++++++++
 11 files changed, 293 insertions(+)
 create mode 100644 samples/Generators.Sandbox/App.xaml
 create mode 100644 samples/Generators.Sandbox/App.xaml.cs
 create mode 100644 samples/Generators.Sandbox/Controls/CustomTextBox.cs
 create mode 100644 samples/Generators.Sandbox/Controls/SignUpView.xaml
 create mode 100644 samples/Generators.Sandbox/Controls/SignUpView.xaml.cs
 create mode 100644 samples/Generators.Sandbox/Generators.Sandbox.csproj
 create mode 100644 samples/Generators.Sandbox/Program.cs
 create mode 100644 samples/Generators.Sandbox/ViewModels/SignUpViewModel.cs
 create mode 100644 samples/Generators.Sandbox/Views/SignUpView.xaml
 create mode 100644 samples/Generators.Sandbox/Views/SignUpView.xaml.cs

diff --git a/Avalonia.sln b/Avalonia.sln
index 1eb4a8b615..b21df07628 100644
--- a/Avalonia.sln
+++ b/Avalonia.sln
@@ -250,6 +250,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Avalonia.Generators.Tests",
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Avalonia.Fonts.Inter", "src\Avalonia.Fonts.Inter\Avalonia.Fonts.Inter.csproj", "{13F1135D-BA1A-435C-9C5B-A368D1D63DE4}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Generators.Sandbox", "samples\Generators.Sandbox\Generators.Sandbox.csproj", "{A82AD1BC-EBE6-4FC3-A13B-D52A50297533}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -589,6 +591,10 @@ Global
 		{13F1135D-BA1A-435C-9C5B-A368D1D63DE4}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{13F1135D-BA1A-435C-9C5B-A368D1D63DE4}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{13F1135D-BA1A-435C-9C5B-A368D1D63DE4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A82AD1BC-EBE6-4FC3-A13B-D52A50297533}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A82AD1BC-EBE6-4FC3-A13B-D52A50297533}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A82AD1BC-EBE6-4FC3-A13B-D52A50297533}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A82AD1BC-EBE6-4FC3-A13B-D52A50297533}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -658,6 +664,7 @@ Global
 		{DDA28789-C21A-4654-86CE-D01E81F095C5} = {4ED8B739-6F4E-4CD4-B993-545E6B5CE637}
 		{2D7C812B-7E73-4252-8EFD-BC8A4D5CCB9F} = {C5A00AC3-B34C-4564-9BDD-2DA473EF4D8B}
 		{F4E36AA8-814E-4704-BC07-291F70F45193} = {C5A00AC3-B34C-4564-9BDD-2DA473EF4D8B}
+		{A82AD1BC-EBE6-4FC3-A13B-D52A50297533} = {9B9E3891-2366-4253-A952-D08BCEB71098}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {87366D66-1391-4D90-8999-95A620AD786A}
diff --git a/samples/Generators.Sandbox/App.xaml b/samples/Generators.Sandbox/App.xaml
new file mode 100644
index 0000000000..8064eac3f5
--- /dev/null
+++ b/samples/Generators.Sandbox/App.xaml
@@ -0,0 +1,7 @@
+<Application xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             x:Class="Generators.Sandbox.App">
+    <Application.Styles>
+        <FluentTheme />
+    </Application.Styles>
+</Application>
\ No newline at end of file
diff --git a/samples/Generators.Sandbox/App.xaml.cs b/samples/Generators.Sandbox/App.xaml.cs
new file mode 100644
index 0000000000..6118b3f177
--- /dev/null
+++ b/samples/Generators.Sandbox/App.xaml.cs
@@ -0,0 +1,20 @@
+using Avalonia;
+using Avalonia.Markup.Xaml;
+using Generators.Sandbox.ViewModels;
+
+namespace Generators.Sandbox;
+
+public class App : Application
+{
+    public override void Initialize() => AvaloniaXamlLoader.Load(this);
+
+    public override void OnFrameworkInitializationCompleted()
+    {
+        var view = new Views.SignUpView
+        {
+            ViewModel = new SignUpViewModel()
+        };
+        view.Show();
+        base.OnFrameworkInitializationCompleted();
+    }
+}
\ No newline at end of file
diff --git a/samples/Generators.Sandbox/Controls/CustomTextBox.cs b/samples/Generators.Sandbox/Controls/CustomTextBox.cs
new file mode 100644
index 0000000000..68ee925986
--- /dev/null
+++ b/samples/Generators.Sandbox/Controls/CustomTextBox.cs
@@ -0,0 +1,10 @@
+using System;
+using Avalonia.Controls;
+using Avalonia.Styling;
+
+namespace Generators.Sandbox.Controls;
+
+public class CustomTextBox : TextBox, IStyleable
+{
+    Type IStyleable.StyleKey => typeof(TextBox);
+}
\ No newline at end of file
diff --git a/samples/Generators.Sandbox/Controls/SignUpView.xaml b/samples/Generators.Sandbox/Controls/SignUpView.xaml
new file mode 100644
index 0000000000..c126f36f53
--- /dev/null
+++ b/samples/Generators.Sandbox/Controls/SignUpView.xaml
@@ -0,0 +1,45 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:controls="using:Generators.Sandbox.Controls"
+        x:Class="Generators.Sandbox.Controls.SignUpView">
+    <StackPanel>
+        <controls:CustomTextBox Margin="0 10 0 0"
+                 x:Name="UserNameTextBox"
+                 Watermark="Please, enter user name..."
+                 UseFloatingWatermark="True" />
+        <TextBlock x:Name="UserNameValidation" 
+                   Foreground="Red"
+                   FontSize="12" />
+        <TextBox Margin="0 10 0 0"
+                 x:Name="PasswordTextBox"
+                 Watermark="Please, enter your password..."
+                 UseFloatingWatermark="True"
+                 PasswordChar="*" />
+        <TextBlock x:Name="PasswordValidation" 
+                   Foreground="Red"
+                   FontSize="12" />
+        <TextBox Margin="0 10 0 0"
+                 x:Name="ConfirmPasswordTextBox"
+                 Watermark="Please, confirm the password..."
+                 UseFloatingWatermark="True"
+                 PasswordChar="*" />
+        <TextBlock x:Name="ConfirmPasswordValidation"
+                   TextWrapping="Wrap"
+                   Foreground="Red"
+                   FontSize="12" />
+        <TextBlock>
+            <TextBlock.Inlines>
+                <InlineCollection>
+                    <Run x:Name="SignUpButtonDescription" />
+                </InlineCollection>
+            </TextBlock.Inlines>
+        </TextBlock>
+        <Button Margin="0 10 0 5"
+                Content="Sign up"
+                x:Name="SignUpButton" />
+        <TextBlock x:Name="CompoundValidation"
+                   TextWrapping="Wrap"
+                   Foreground="Red"
+                   FontSize="12" />
+    </StackPanel>
+</UserControl>
diff --git a/samples/Generators.Sandbox/Controls/SignUpView.xaml.cs b/samples/Generators.Sandbox/Controls/SignUpView.xaml.cs
new file mode 100644
index 0000000000..c4cd1cdc1a
--- /dev/null
+++ b/samples/Generators.Sandbox/Controls/SignUpView.xaml.cs
@@ -0,0 +1,54 @@
+using System;
+using System.Reactive.Disposables;
+using Avalonia.ReactiveUI;
+using Generators.Sandbox.ViewModels;
+using ReactiveUI;
+using ReactiveUI.Validation.Extensions;
+using ReactiveUI.Validation.Formatters;
+
+namespace Generators.Sandbox.Controls;
+
+/// <summary>
+/// This is a sample view class with typed x:Name references generated using
+/// .NET 5 source generators. The class has to be partial because x:Name
+/// references are living in a separate partial class file. See also:
+/// https://devblogs.microsoft.com/dotnet/new-c-source-generator-samples/
+/// </summary>
+public partial class SignUpView : ReactiveUserControl<SignUpViewModel>
+{
+    public SignUpView()
+    {
+        // The InitializeComponent method is also generated automatically
+        // and lives in the autogenerated part of the partial class.
+        InitializeComponent();
+        this.WhenActivated(disposables =>
+        {
+            this.Bind(ViewModel, x => x.UserName, x => x.UserNameTextBox.Text)
+                .DisposeWith(disposables);
+            this.Bind(ViewModel, x => x.Password, x => x.PasswordTextBox.Text)
+                .DisposeWith(disposables);
+            this.Bind(ViewModel, x => x.ConfirmPassword, x => x.ConfirmPasswordTextBox.Text)
+                .DisposeWith(disposables);
+            this.BindCommand(ViewModel, x => x.SignUp, x => x.SignUpButton)
+                .DisposeWith(disposables);
+
+            this.BindValidation(ViewModel, x => x.UserName, x => x.UserNameValidation.Text)
+                .DisposeWith(disposables);
+            this.BindValidation(ViewModel, x => x.Password, x => x.PasswordValidation.Text)
+                .DisposeWith(disposables);
+            this.BindValidation(ViewModel, x => x.ConfirmPassword, x => x.ConfirmPasswordValidation.Text)
+                .DisposeWith(disposables);
+
+            var newLineFormatter = new SingleLineFormatter(Environment.NewLine);
+            this.BindValidation(ViewModel, x => x.CompoundValidation.Text, newLineFormatter)
+                .DisposeWith(disposables);
+
+            // The references to text boxes below are also auto generated.
+            // Use Ctrl+Click in order to view the generated sources. 
+            UserNameTextBox.Text = "Joseph!";
+            PasswordTextBox.Text = "1234";
+            ConfirmPasswordTextBox.Text = "1234";
+            SignUpButtonDescription.Text = "Press the button below to sign up.";
+        });
+    }
+}
diff --git a/samples/Generators.Sandbox/Generators.Sandbox.csproj b/samples/Generators.Sandbox/Generators.Sandbox.csproj
new file mode 100644
index 0000000000..885e71af4e
--- /dev/null
+++ b/samples/Generators.Sandbox/Generators.Sandbox.csproj
@@ -0,0 +1,28 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <IncludeAvaloniaGenerators>true</IncludeAvaloniaGenerators>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <AvaloniaResource Include="**\*.xaml"/>
+    <!-- Note this AdditionalFiles directive. -->
+    <AdditionalFiles Include="**\*.xaml"/>
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="ReactiveUI.Validation" Version="3.0.22"/>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\packages\Avalonia\Avalonia.csproj"/>
+    <ProjectReference Include="..\..\src\Avalonia.Desktop\Avalonia.Desktop.csproj"/>
+    <ProjectReference Include="..\..\src\Avalonia.ReactiveUI\Avalonia.ReactiveUI.csproj"/>
+    <ProjectReference Include="..\..\src\Avalonia.Themes.Fluent\Avalonia.Themes.Fluent.csproj"/>
+    <ProjectReference Include="..\..\src\Avalonia.Fonts.Inter\Avalonia.Fonts.Inter.csproj"/>
+  </ItemGroup>
+
+  <Import Project="..\..\build\BuildTargets.targets"/>
+  <Import Project="..\..\build\SourceGenerators.props"/>
+</Project>
diff --git a/samples/Generators.Sandbox/Program.cs b/samples/Generators.Sandbox/Program.cs
new file mode 100644
index 0000000000..7e533965df
--- /dev/null
+++ b/samples/Generators.Sandbox/Program.cs
@@ -0,0 +1,15 @@
+using Avalonia;
+using Avalonia.ReactiveUI;
+
+namespace Generators.Sandbox;
+
+internal static class Program
+{
+    public static void Main(string[] args) => BuildAvaloniaApp().StartWithClassicDesktopLifetime(args);
+
+    private static AppBuilder BuildAvaloniaApp()
+        => AppBuilder.Configure<App>()
+            .UseReactiveUI()
+            .UsePlatformDetect()
+            .LogToTrace();
+}
diff --git a/samples/Generators.Sandbox/ViewModels/SignUpViewModel.cs b/samples/Generators.Sandbox/ViewModels/SignUpViewModel.cs
new file mode 100644
index 0000000000..06b6122088
--- /dev/null
+++ b/samples/Generators.Sandbox/ViewModels/SignUpViewModel.cs
@@ -0,0 +1,70 @@
+using System.Reactive;
+using ReactiveUI;
+using ReactiveUI.Validation.Extensions;
+using ReactiveUI.Validation.Helpers;
+
+namespace Generators.Sandbox.ViewModels;
+
+public class SignUpViewModel : ReactiveValidationObject
+{
+    private string _userName = string.Empty;
+    private string _password = string.Empty;
+    private string _confirmPassword = string.Empty;
+
+    public SignUpViewModel()
+    {
+        this.ValidationRule(
+            vm => vm.UserName,
+            name => !string.IsNullOrWhiteSpace(name),
+            "UserName is required.");
+
+        this.ValidationRule(
+            vm => vm.Password,
+            password => !string.IsNullOrWhiteSpace(password),
+            "Password is required.");
+
+        this.ValidationRule(
+            vm => vm.Password,
+            password => password?.Length > 2,
+            password => $"Password should be longer, current length: {password.Length}");
+
+        this.ValidationRule(
+            vm => vm.ConfirmPassword,
+            confirmation => !string.IsNullOrWhiteSpace(confirmation),
+            "Confirm password field is required.");
+
+        var passwordsObservable =
+            this.WhenAnyValue(
+                x => x.Password,
+                x => x.ConfirmPassword,
+                (password, confirmation) =>
+                    password == confirmation);
+
+        this.ValidationRule(
+            vm => vm.ConfirmPassword,
+            passwordsObservable,
+            "Passwords must match.");
+
+        SignUp = ReactiveCommand.Create(() => {}, this.IsValid());
+    }
+
+    public ReactiveCommand<Unit, Unit> SignUp { get; }
+
+    public string UserName
+    {
+        get => _userName;
+        set => this.RaiseAndSetIfChanged(ref _userName, value);
+    }
+
+    public string Password
+    {
+        get => _password;
+        set => this.RaiseAndSetIfChanged(ref _password, value);
+    }
+
+    public string ConfirmPassword
+    {
+        get => _confirmPassword;
+        set => this.RaiseAndSetIfChanged(ref _confirmPassword, value);
+    }
+}
\ No newline at end of file
diff --git a/samples/Generators.Sandbox/Views/SignUpView.xaml b/samples/Generators.Sandbox/Views/SignUpView.xaml
new file mode 100644
index 0000000000..970b3a9710
--- /dev/null
+++ b/samples/Generators.Sandbox/Views/SignUpView.xaml
@@ -0,0 +1,9 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:controls="using:Generators.Sandbox.Controls"
+        x:Class="Generators.Sandbox.Views.SignUpView">
+    <StackPanel Margin="10">
+        <TextBlock Text="Sign Up" />
+        <controls:SignUpView x:Name="SignUpControl" />
+    </StackPanel>
+</Window>
diff --git a/samples/Generators.Sandbox/Views/SignUpView.xaml.cs b/samples/Generators.Sandbox/Views/SignUpView.xaml.cs
new file mode 100644
index 0000000000..1f495b7dc6
--- /dev/null
+++ b/samples/Generators.Sandbox/Views/SignUpView.xaml.cs
@@ -0,0 +1,28 @@
+using System.Reactive.Disposables;
+using Avalonia.ReactiveUI;
+using Generators.Sandbox.ViewModels;
+using ReactiveUI;
+
+namespace Generators.Sandbox.Views;
+
+/// <summary>
+/// This is a sample view class with typed x:Name references generated using
+/// .NET 5 source generators. The class has to be partial because x:Name
+/// references are living in a separate partial class file. See also:
+/// https://devblogs.microsoft.com/dotnet/new-c-source-generator-samples/
+/// </summary>
+public partial class SignUpView : ReactiveWindow<SignUpViewModel>
+{
+    public SignUpView()
+    {
+        // The InitializeComponent method is also generated automatically
+        // and lives in the autogenerated part of the partial class.
+        InitializeComponent();
+        this.WhenActivated(disposables =>
+        {
+            this.WhenAnyValue(view => view.ViewModel)
+                .BindTo(this, view => view.SignUpControl.ViewModel)
+                .DisposeWith(disposables);
+        });
+    }
+}
\ No newline at end of file