refactor code and prepare using Viewmodels

xpathrunnerui/xpathrunnerui/App.axaml.cs

@@ -2,6 +2,7 @@
 using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Data.Core.Plugins;
 using Avalonia.Markup.Xaml;
+using xpathrunnerui.ViewModels;
 
 namespace xpathrunnerui
 {
@@ -20,10 +21,7 @@ public override void OnFrameworkInitializationCompleted()
                 // Without this line you will get duplicate validations from both Avalonia and CT
                 BindingPlugins.DataValidators.RemoveAt(0);
                 desktop.MainWindow = new MainWindow();
-            }
-            else if (ApplicationLifetime is ISingleViewApplicationLifetime singleViewPlatform)
-            {
-                singleViewPlatform.MainView = new MainView();
+                desktop.MainWindow.DataContext = new MainWindowViewModel();
             }
 
             base.OnFrameworkInitializationCompleted();

xpathrunnerui/xpathrunnerui/ViewModels/MainWindowViewModel.cs

@@ -0,0 +1,20 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace xpathrunnerui.ViewModels;
+
+public class MainWindowViewModel : ObservableObject
+{
+    private bool _isBusy;
+
+    public bool IsBusy
+    {
+        get => _isBusy;
+        set
+        {
+            if (_isBusy != value)
+            {
+                SetProperty(ref _isBusy, value);
+            }
+        }
+    }
+}

xpathrunnerui/xpathrunnerui/Views/MainWindow.axaml

@@ -0,0 +1,12 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:xpathrunnerui"
+        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+        x:Class="xpathrunnerui.MainWindow"
+        Title="XPATH Runner"
+		Icon="/Assets/html_tag.png"
+		WindowStartupLocation="CenterScreen">
+	<local:MainView/>
+</Window>

xpathrunnerui/xpathrunnerui/Views/MainWindow.axaml.cs

@@ -0,0 +1,30 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Interactivity;
+using Avalonia.Platform.Storage;
+using HtmlAgilityPack;
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace xpathrunnerui
+{
+    public partial class MainWindow : Window
+    {
+        private string? _filepath;
+        public MainWindow()
+        {
+            InitializeComponent();
+            var screen = Screens.Primary;
+            // Set width and height as percentages of the screen
+            if (screen != null)
+            {
+                Width = screen.WorkingArea.Width * 0.5;
+                Height = screen.WorkingArea.Height * 0.6;
+            }
+        }
+
+
+    }
+}

xpathrunnerui/xpathrunnerui/xpathrunnerui.csproj

@@ -29,6 +29,13 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Folder Include="ViewModels\" />
+    <Compile Update="Views\MainView.axaml.cs">
+      <DependentUpon>MainView.axaml</DependentUpon>
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Update="Views\MainWindow.axaml.cs">
+      <DependentUpon>MainWindow.axaml</DependentUpon>
+      <SubType>Code</SubType>
+    </Compile>
   </ItemGroup>
 </Project>