Added Validation logics

Wallet.Avalonia/CreateWalletView.axaml

@@ -2,29 +2,56 @@
     x:Class="Wallet.Avalonia.CreateWalletView"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:ui="using:FluentAvalonia.UI.Controls"
     xmlns:vm="using:Wallet"
-    Title="Create Wallet"
+    Title="Create a new wallet"
     x:DataType="vm:CreateWalletViewModel"
     CloseButtonText="Cancel"
-    IsPrimaryButtonEnabled="{Binding !Active}"
+    DefaultButton="Primary"
-    IsSecondaryButtonEnabled="{Binding !Active}"
     PrimaryButtonText="Create">
+    <ContentDialog.Styles>
+        <Style Selector="ui|ContentDialog.Write">
+            <Setter Property="IsPrimaryButtonEnabled" Value="True" />
+        </Style>
+        <Style Selector="ui|ContentDialog.Read">
+            <Setter Property="IsPrimaryButtonEnabled" Value="False" />
+        </Style>
+        <Style Selector="ui|ContentDialog.Active">
+            <Setter Property="IsPrimaryButtonEnabled" Value="False" />
+        </Style>
+    </ContentDialog.Styles>
+    <Interaction.Behaviors>
+        <DataTriggerBehavior Binding="{Binding Validation.HasErrors}" Value="True">
+            <AddClassAction ClassName="Read" RemoveIfExists="True" />
+            <RemoveClassAction ClassName="Write" />
+        </DataTriggerBehavior>
+        <DataTriggerBehavior Binding="{Binding Validation.HasErrors}" Value="False">
+            <AddClassAction ClassName="Write" RemoveIfExists="True" />
+            <RemoveClassAction ClassName="Read" />
+        </DataTriggerBehavior>
+        <DataTriggerBehavior Binding="{Binding Active}" Value="True">
+            <AddClassAction ClassName="Active" RemoveIfExists="True" />
+        </DataTriggerBehavior>
+        <DataTriggerBehavior Binding="{Binding Active}" Value="False">
+            <RemoveClassAction ClassName="Active" />
+        </DataTriggerBehavior>
+    </Interaction.Behaviors>
     <Grid>
-        <StackPanel Width="400" IsEnabled="{Binding !Active}">
+        <StackPanel
-            <TextBox
+            Width="400"
-                Margin="0,0,0,18"
+            IsEnabled="{Binding !Active}"
-                Text="{Binding Name}"
+            Spacing="18">
-                Watermark="Enter Wallet name" />
+            <StackPanel>
-            <TextBox
+                <TextBlock Margin="0,0,0,6" Text="Name" />
-                Margin="0,0,0,18"
+                <TextBox Text="{Binding Name}" Watermark="e.g. Personal" />
-                Classes="revealPasswordButton"
+            </StackPanel>
-                PasswordChar="&#x25CF;"
+            <StackPanel>
-                Text="{Binding Password}"
+                <TextBlock Margin="0,0,0,6" Text="Password" />
-                Watermark="Enter password" />
                 <TextBox
                     Classes="revealPasswordButton"
                     PasswordChar="&#x25CF;"
-                Watermark="Confirm password" />
+                    Text="{Binding Password}" />
+            </StackPanel>
         </StackPanel>
         <ProgressRing
             Width="48"

Wallet/CreateWalletViewModel.cs

@@ -1,17 +1,11 @@
 using CommunityToolkit.Mvvm.ComponentModel;
+using System.ComponentModel;
 using System.Diagnostics.CodeAnalysis;
-using System.Reactive.Disposables;
 using Toolkit.Foundation;
 
 namespace Wallet;
 
-public partial class CreateWalletViewModel(IServiceProvider provider,
+public partial class CreateWalletViewModel : Observable,
-    IServiceFactory factory,
-    IPublisher publisher,
-    IMediator mediator,
-    ISubscriber subscriber,
-    IDisposer disposer) :
-    Observable(provider, factory, mediator, publisher, subscriber, disposer),
     IPrimaryConfirmation
 {
     [MaybeNull]
@@ -22,6 +16,32 @@ public partial class CreateWalletViewModel(IServiceProvider provider,
     [ObservableProperty]
     private string password;
 
+    [MaybeNull]
+    [ObservableProperty]
+    private string? repeatedPassword;
+
+    [ObservableProperty]
+    private IValidation validation;
+
+    public CreateWalletViewModel(IValidation validation, 
+        IServiceProvider provider,
+        IServiceFactory factory,
+        IMediator mediator, 
+        IPublisher publisher,
+        ISubscriber subscriber, 
+        IDisposer disposer) : base(provider, factory, mediator, publisher, subscriber, disposer)
+    {
+        Validation = validation;
+
+        Validation.Add(() => Name, [new ValidationRule(() => Name is { Length: > 0 })],
+            ValidationTrigger.Immediate);
+
+        Validation.Add(() => Password, [new ValidationRule(() => Password is { Length: > 0 })], 
+            ValidationTrigger.Immediate);
+
+        Name = name;
+    }
+
     public async Task<bool> ConfirmPrimary()
     {
         using (await new ActivityLock(this))
@@ -30,4 +50,14 @@ public partial class CreateWalletViewModel(IServiceProvider provider,
                 bool>(Create.As(new Wallet<(string, string)>((Name, Password))));
         }
     }
+
+    protected override void OnPropertyChanged(PropertyChangedEventArgs args)
+    {
+        if (args.PropertyName is string name)
+        {
+            Validation.Validate(name);
+        }
+
+        base.OnPropertyChanged(args);
+    }
 }

Wallet/OpenWalletViewModel.cs

@@ -1,24 +1,36 @@
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
-using System.ComponentModel.DataAnnotations;
 using Toolkit.Foundation;
 
 namespace Wallet;
 
-public partial class OpenWalletViewModel(IServiceProvider provider,
+public partial class OpenWalletViewModel : Observable
+{
+    private readonly IValidation validation;
+
+    [ObservableProperty]
+    private string? name;
+
+    [ObservableProperty]
+    private string? password;
+
+
+    [ObservableProperty]
+    private string? repeatedPassword;
+
+    public OpenWalletViewModel(IValidation validation,
+        IServiceProvider provider, 
         IServiceFactory factory,
         IMediator mediator, 
         IPublisher publisher, 
         ISubscriber subscriber,
         IDisposer disposer,
-    string name) :
+        string name) : base(provider, factory, mediator, publisher, subscriber, disposer)
-    Observable(provider, factory, mediator, publisher, subscriber, disposer)
     {
-    [ObservableProperty]
+        this.validation = validation;
-    private string? name = name;
 
-    [ObservableProperty]
+        Name = name;
-    private string? password;
+    }
 
     [RelayCommand]
     private async Task Invoke()