Initial release v1.01 — InstaSoft Office Tool

Office deployment wizard for InstaSoft customers:
- Install Office 2019/2021/2024 (Standard, Professional Plus, Home & Business)
- Auto-download ODT from Microsoft, generate config XML, run setup
- Remove existing Office installations (C2R + MSI)
- License troubleshooting via ospp.vbs (dstatus, unpkey)
- Fluent Design UI (WPF .NET Framework 4.8, Win7+ compatible)
- Hungarian interface, multi-language Office installation
- Product key input with auto-activation support

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Pages/ProductKeyPage.xaml.cs

@@ -0,0 +1,112 @@
+using System.Text.RegularExpressions;
+using System.Windows;
+using System.Windows.Controls;
+using InstaSoftOfficeTool.Models;
+
+namespace InstaSoftOfficeTool.Pages
+{
+    public partial class ProductKeyPage : Page, IWizardPage
+    {
+        private readonly MainWindow _main;
+        private readonly InstallConfig _config;
+        private readonly TextBox[] _keyBoxes;
+        private bool _suppressAutoTab;
+
+        public ProductKeyPage(MainWindow main, InstallConfig config)
+        {
+            InitializeComponent();
+            _main = main;
+            _config = config;
+            _keyBoxes = new[] { Key1, Key2, Key3, Key4, Key5 };
+
+            if (!string.IsNullOrEmpty(_config.ProductKey))
+            {
+                var parts = _config.ProductKey.Split('-');
+                for (int i = 0; i < parts.Length && i < 5; i++)
+                {
+                    _keyBoxes[i].Text = parts[i];
+                }
+            }
+        }
+
+        private void KeyBox_TextChanged(object sender, TextChangedEventArgs e)
+        {
+            if (_suppressAutoTab) return;
+
+            var tb = (TextBox)sender;
+
+            var cleaned = Regex.Replace(tb.Text, "[^A-Za-z0-9]", "");
+            if (cleaned != tb.Text)
+            {
+                _suppressAutoTab = true;
+                tb.Text = cleaned;
+                tb.CaretIndex = cleaned.Length;
+                _suppressAutoTab = false;
+            }
+
+            if (tb.Text.Length == 5)
+            {
+                for (int i = 0; i < _keyBoxes.Length - 1; i++)
+                {
+                    if (_keyBoxes[i] == tb)
+                    {
+                        _keyBoxes[i + 1].Focus();
+                        break;
+                    }
+                }
+            }
+
+            ValidationMessage.Visibility = Visibility.Collapsed;
+        }
+
+        private void CbSkipKey_Changed(object sender, RoutedEventArgs e)
+        {
+            bool skip = CbSkipKey.IsChecked == true;
+            foreach (var box in _keyBoxes)
+            {
+                box.IsEnabled = !skip;
+                if (skip) box.Text = "";
+            }
+            ValidationMessage.Visibility = Visibility.Collapsed;
+        }
+
+        public bool Validate()
+        {
+            if (CbSkipKey.IsChecked == true)
+            {
+                _config.ProductKey = null;
+                return true;
+            }
+
+            bool allEmpty = true;
+            foreach (var box in _keyBoxes)
+            {
+                if (!string.IsNullOrEmpty(box.Text))
+                {
+                    allEmpty = false;
+                    break;
+                }
+            }
+
+            if (allEmpty)
+            {
+                _config.ProductKey = null;
+                return true;
+            }
+
+            foreach (var box in _keyBoxes)
+            {
+                if (box.Text.Length != 5 || !Regex.IsMatch(box.Text, "^[A-Za-z0-9]{5}$"))
+                {
+                    ValidationMessage.Text = "A term\u00e9kkulcsnak 5 x 5 alfanumerikus karakterb\u0151l kell \u00e1llnia.";
+                    ValidationMessage.Visibility = Visibility.Visible;
+                    return false;
+                }
+            }
+
+            _config.ProductKey = string.Join("-",
+                Key1.Text, Key2.Text, Key3.Text, Key4.Text, Key5.Text).ToUpper();
+            return true;
+        }
+    }
+}