Add Title properties for dialog viewmodel bases

StabilityMatrix.Avalonia/ViewModels/Base/ContentDialogViewModelBase.cs

@@ -1,27 +1,43 @@
 using System;
+using Avalonia.Threading;
 using FluentAvalonia.UI.Controls;
+using StabilityMatrix.Avalonia.Controls;
 
 namespace StabilityMatrix.Avalonia.ViewModels.Base;
 
 public class ContentDialogViewModelBase : ViewModelBase
 {
+    public virtual string? Title { get; set; }
+
     // Events for button clicks
     public event EventHandler<ContentDialogResult>? PrimaryButtonClick;
     public event EventHandler<ContentDialogResult>? SecondaryButtonClick;
     public event EventHandler<ContentDialogResult>? CloseButtonClick;
-    
+
     public virtual void OnPrimaryButtonClick()
     {
         PrimaryButtonClick?.Invoke(this, ContentDialogResult.Primary);
     }
-    
+
     public virtual void OnSecondaryButtonClick()
     {
         SecondaryButtonClick?.Invoke(this, ContentDialogResult.Secondary);
     }
-    
+
     public virtual void OnCloseButtonClick()
     {
         CloseButtonClick?.Invoke(this, ContentDialogResult.None);
     }
+
+    /// <summary>
+    /// Return a <see cref="BetterContentDialog"/> that uses this view model as its content
+    /// </summary>
+    public virtual BetterContentDialog GetDialog()
+    {
+        Dispatcher.UIThread.VerifyAccess();
+
+        var dialog = new BetterContentDialog { Title = Title, Content = this };
+
+        return dialog;
+    }
 }

StabilityMatrix.Avalonia/ViewModels/Base/TaskDialogViewModelBase.cs

@@ -1,6 +1,7 @@
 using System.Threading.Tasks;
 using System.Windows.Input;
 using Avalonia.Threading;
+using AvaloniaEdit.Rendering;
 using FluentAvalonia.UI.Controls;
 using StabilityMatrix.Avalonia.Languages;
 
@@ -13,6 +14,8 @@ public abstract class TaskDialogViewModelBase : ViewModelBase
 {
     private TaskDialog? dialog;
 
+    public virtual string? Title { get; set; }
+
     protected static TaskDialogCommand GetCommandButton(string text, ICommand command)
     {
         return new TaskDialogCommand
@@ -27,11 +30,7 @@ public abstract class TaskDialogViewModelBase : ViewModelBase
 
     protected static TaskDialogButton GetCloseButton()
     {
-        return new TaskDialogButton
-        {
-            Text = Resources.Action_Close,
-            DialogResult = TaskDialogStandardResult.Close
-        };
+        return new TaskDialogButton { Text = Resources.Action_Close, DialogResult = TaskDialogStandardResult.Close };
     }
 
     /// <summary>
@@ -43,6 +42,7 @@ public abstract class TaskDialogViewModelBase : ViewModelBase
 
         dialog = new TaskDialog
         {
+            Header = Title,
             Content = this,
             XamlRoot = App.VisualRoot,
             Buttons = { GetCloseButton() }