Update UI

MainWindow.xaml

@@ -61,7 +61,15 @@
                     </Grid.ColumnDefinitions>
                     <Button Content="Refresh Copy Tree" HorizontalAlignment="Left" Height="22" Margin="10,10,0,0" VerticalAlignment="Top" Width="140" Click="POPULATE_COPY_TREE"/>
                     <Button Content="Copy Selected to Archive" HorizontalAlignment="Left" Height="22" Margin="160,10,0,0" VerticalAlignment="Top" Width="180" Click="COPY_SELECTED_TO_ARCHIVE" Grid.ColumnSpan="2"/>
-                    <TreeView x:Name="CopyTreeView" Margin="10,40,10,10" Grid.ColumnSpan="2" />
+                    <StackPanel Orientation="Vertical" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="146,10,0,0" Grid.Column="1" Width="149">
+                        <TextBlock Text="Selected files:"/>
+                        <TextBlock x:Name="CopySelectedCountText" Text="0" Margin="0,2,0,6"/>
+                        <TextBlock Text="Selected size (MB):"/>
+                        <TextBlock x:Name="CopySelectedSizeText" Text="0.00" Margin="0,2,0,6"/>
+                        <TextBlock Text="Archive free:"/>
+                        <TextBlock x:Name="ArchiveFreeText" Text="-" Margin="0,2,0,6"/>
+                    </StackPanel>
+                    <TreeView x:Name="CopyTreeView" Margin="10,170,10,10" Grid.ColumnSpan="2" />
                 </Grid>
             </TabItem>
             <TabItem Header="XML">
@@ -71,28 +79,37 @@
                         <ColumnDefinition Width="*"/>
                     </Grid.ColumnDefinitions>
                     <ListBox x:Name="XmlFilesListBox" Margin="4" SelectionChanged="XmlFilesListBox_SelectionChanged" />
-                    <TextBox x:Name="XmlViewerTextBox" Margin="4" Grid.Column="1" IsReadOnly="True" TextWrapping="Wrap" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Auto" />
+                    <ListView x:Name="XmlSummaryListView" Margin="4" Grid.Column="1">
+                        <ListView.View>
+                            <GridView>
+                                <GridViewColumn Header="Filename" DisplayMemberBinding="{Binding Filename}" Width="250" />
+                                <GridViewColumn Header="FileDir" DisplayMemberBinding="{Binding FileDir}" Width="350" />
+                                <GridViewColumn Header="Status" DisplayMemberBinding="{Binding Status}" Width="100" />
+                            </GridView>
+                        </ListView.View>
+                    </ListView>
                 </Grid>
             </TabItem>
             <TabItem Header="Settings" Height="20" VerticalAlignment="Center" RenderTransformOrigin="0.104,0.652" HorizontalAlignment="Left" Width="55">
                 <Grid Background="#FFE5E5E5">
                     <Grid.ColumnDefinitions>
                         <ColumnDefinition Width="0*"/>
-                        <ColumnDefinition/>
+                        <ColumnDefinition Width="96*"/>
+                        <ColumnDefinition Width="301*"/>
                     </Grid.ColumnDefinitions>
-                    <TextBlock Text="Application Settings" FontWeight="Bold" Margin="0,0,0,10" Grid.ColumnSpan="2" />
+                    <TextBlock Text="Application Settings" FontWeight="Bold" Margin="0,0,0,10" Grid.ColumnSpan="3" />
-                    <TextBox x:Name="SourceTextBox" HorizontalAlignment="Left" Height="20" Margin="0,40,0,0" TextWrapping="Wrap" Text="Source Directory" VerticalAlignment="Top" Width="510" Grid.ColumnSpan="2"/>
+                    <TextBox x:Name="SourceTextBox" HorizontalAlignment="Left" Height="20" Margin="0,40,0,0" TextWrapping="Wrap" Text="Source Directory" VerticalAlignment="Top" Width="510" Grid.ColumnSpan="3"/>
-                    <TextBox x:Name="ArchiveTextBox" HorizontalAlignment="Left" Height="20" Margin="0,80,0,0" TextWrapping="Wrap" Text="Archive Directory" VerticalAlignment="Top" Width="510" Grid.ColumnSpan="2"/>
+                    <TextBox x:Name="ArchiveTextBox" HorizontalAlignment="Left" Height="20" Margin="0,80,0,0" TextWrapping="Wrap" Text="Archive Directory" VerticalAlignment="Top" Width="510" Grid.ColumnSpan="3"/>
-                    <TextBlock Text="XML Directory:" Height="20" Margin="0,100,101,0" VerticalAlignment="Top" Grid.ColumnSpan="2"/>
+                    <TextBlock Text="XML Directory:" Height="20" Margin="0,100,101,0" VerticalAlignment="Top" Grid.ColumnSpan="3"/>
-                    <TextBox x:Name="XmlDirectoryTextBox" HorizontalAlignment="Left" Height="20" Margin="0,120,0,0" TextWrapping="Wrap" Text="XML Directory" VerticalAlignment="Top" Width="510" Grid.ColumnSpan="2"/>
+                    <TextBlock Text="Source Directory:" Height="20" Margin="0,20,192,0" VerticalAlignment="Top" Grid.ColumnSpan="3"/>
-                    <Button x:Name="XmlDirectorySelect" Content="Select Directory" HorizontalAlignment="Left" Margin="520,120,0,0" VerticalAlignment="Top" Height="20" Click="SET_XML_DIR" Grid.Column="1"/>
+                    <TextBlock Text="Archive Directory:" Height="20" Margin="0,60,192,0" VerticalAlignment="Top" Grid.ColumnSpan="3"/>
-                    <Button x:Name="SourceSelect" Content="Select Directory" HorizontalAlignment="Left" Margin="520,40,0,0" VerticalAlignment="Top" Height="20" Click="SET_RES_DIR" Grid.Column="1" Width="87"/>
+                    <TextBox x:Name="XmlDirectoryTextBox" HorizontalAlignment="Left" Height="20" Margin="0,120,0,0" TextWrapping="Wrap" Text="XML Directory" VerticalAlignment="Top" Width="510" Grid.ColumnSpan="3"/>
-                    <Button x:Name="ArchiveSelect" Content="Select Directory" HorizontalAlignment="Left" Margin="520,80,0,0" VerticalAlignment="Top" Height="20" Click="SET_ARC_DIR" Grid.Column="1" Width="87"/>
+                    <Button x:Name="XmlDirectorySelect" Content="Select Directory" HorizontalAlignment="Left" Margin="328,120,0,0" VerticalAlignment="Top" Height="20" Click="SET_XML_DIR" Grid.Column="2"/>
+                    <Button x:Name="SourceSelect" Content="Select Directory" HorizontalAlignment="Left" Margin="328,40,0,0" VerticalAlignment="Top" Height="20" Click="SET_RES_DIR" Grid.Column="2" Width="87"/>
+                    <Button x:Name="ArchiveSelect" Content="Select Directory" HorizontalAlignment="Left" Margin="328,80,0,0" VerticalAlignment="Top" Height="20" Click="SET_ARC_DIR" Grid.Column="2" Width="87"/>
                     <Button Content="Scan Source" HorizontalAlignment="Left" Height="22" Margin="10,160,0,0" VerticalAlignment="Top" Width="120" Click="SCAN_RES_DIR" Grid.Column="1"/>
                     <Button Content="Scan Archive" HorizontalAlignment="Left" Height="22" Margin="10,182,0,0" VerticalAlignment="Top" Width="120" Click="SCAN_ARC_DIR" Grid.Column="1"/>
                     <Button Content="Load XML Files" HorizontalAlignment="Left" Height="22" Margin="10,204,0,0" VerticalAlignment="Top" Width="120" Click="LOAD_XML_FILES" Grid.Column="1"/>
-                    <TextBlock TextWrapping="Wrap" Text="Source Directory:" Height="20" Margin="0,20,101,0" VerticalAlignment="Top"/>
-                    <TextBlock TextWrapping="Wrap" Text="Archive Directory:" Height="20" Margin="0,60,101,0" VerticalAlignment="Top"/>
                 </Grid>
             </TabItem>
 

MainWindow.xaml.cs

@@ -15,6 +15,8 @@ using System.Windows.Shapes;
 using System.Collections.ObjectModel;
 using System.IO;
 using XML;
+using TapeCatalog.Methods;
+using System.Windows.Threading;
 
 
 
@@ -26,30 +28,64 @@ namespace TapeCatalog
     public partial class MainWindow : Window
     {
         private readonly ObservableCollection<FileEntry> _files = new ObservableCollection<FileEntry>();
+        private DispatcherTimer _copySummaryTimer;
 
-        private static string FormatBytesToMb(long bytes)
+        // NOTE: FormatBytesToMb moved to Methods.SettingsUi; no local implementation kept.
-        {
-            // convert to MB with two decimal places
-            double mb = bytes / 1024.0 / 1024.0;
-            return mb.ToString("F2");
-        }
 
         private void XmlFilesListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
         {
-            if (XmlFilesListBox.SelectedItem is string path)
+            if (!(XmlFilesListBox.SelectedItem is string path))
             {
+                XmlSummaryListView.Items.Clear();
+                return;
+            }
+
             try
             {
-                    XmlViewerTextBox.Text = File.ReadAllText(path);
+                if (!File.Exists(path))
-                }
-                catch (Exception ex)
                 {
-                    XmlViewerTextBox.Text = $"Error reading file: {ex.Message}";
+                    XmlSummaryListView.Items.Clear();
+                    return;
+                }
+
+                var doc = System.Xml.Linq.XDocument.Load(path);
+                var root = doc.Root;
+                if (root == null)
+                {
+                    XmlSummaryListView.Items.Clear();
+                    return;
+                }
+
+                XmlSummaryListView.Items.Clear();
+
+                if (string.Equals(root.Name.LocalName, "Files", StringComparison.OrdinalIgnoreCase))
+                {
+                    foreach (var fe in root.Elements("File"))
+                    {
+                        var fn = fe.Element("Filename")?.Value ?? string.Empty;
+                        var fd = fe.Element("FileDir")?.Value ?? string.Empty;
+                        var st = fe.Element("Status")?.Value ?? string.Empty;
+                        XmlSummaryListView.Items.Add(new FileEntry { Filename = fn, FileDir = fd, Status = st });
+                    }
+                }
+                else if (string.Equals(root.Name.LocalName, "TapeEntries", StringComparison.OrdinalIgnoreCase))
+                {
+                    foreach (var entry in root.Elements("Entry"))
+                    {
+                        var fn = entry.Element("Filename")?.Value ?? string.Empty;
+                        var med = entry.Element("Medium")?.Value ?? string.Empty;
+                        var mod = entry.Element("Modified")?.Value ?? string.Empty;
+                        XmlSummaryListView.Items.Add(new FileEntry { Filename = fn, FileDir = med, Status = mod });
                     }
                 }
                 else
                 {
-                XmlViewerTextBox.Clear();
+                    // Unknown format - show nothing
+                }
+            }
+            catch
+            {
+                XmlSummaryListView.Items.Clear();
             }
         }
 
@@ -57,6 +93,10 @@ namespace TapeCatalog
         {
             InitializeComponent();
             FilesListView.ItemsSource = _files;
+            // start periodic update of copy summary
+            _copySummaryTimer = new DispatcherTimer { Interval = TimeSpan.FromMilliseconds(500) };
+            _copySummaryTimer.Tick += (s, e) => UpdateCopySummary();
+            _copySummaryTimer.Start();
         }
         #region (export Medium)
         private void EXPORT_MEDIUM(object sender, RoutedEventArgs e)
@@ -143,49 +183,22 @@ namespace TapeCatalog
 
         private void SET_RES_DIR(object sender, RoutedEventArgs e)
         {
-            // Use the WinForms FolderBrowserDialog to select a folder
+            var sel = SettingsUi.SelectDirectory("Select Source folder");
-            using (var dlg = new System.Windows.Forms.FolderBrowserDialog())
+            if (!string.IsNullOrWhiteSpace(sel)) SourceTextBox.Text = sel;
-            {
-                dlg.Description = "Select a folder";
-                dlg.ShowNewFolderButton = true;
-                var result = dlg.ShowDialog();
-                if (result == System.Windows.Forms.DialogResult.OK && !string.IsNullOrWhiteSpace(dlg.SelectedPath))
-                {
-                    SourceTextBox.Text = dlg.SelectedPath;
-                }
-            }
         }
         #endregion (EXPORT_LIST)
         #region (SET_ARC_DIR)
         private void SET_ARC_DIR(object sender, RoutedEventArgs e)
         {
-            // Use the WinForms FolderBrowserDialog to select a folder
+            var sel = SettingsUi.SelectDirectory("Select Archive folder");
-            using (var dlg = new System.Windows.Forms.FolderBrowserDialog())
+            if (!string.IsNullOrWhiteSpace(sel)) ArchiveTextBox.Text = sel;
-            {
-                dlg.Description = "Select a folder";
-                dlg.ShowNewFolderButton = true;
-                var result = dlg.ShowDialog();
-                if (result == System.Windows.Forms.DialogResult.OK && !string.IsNullOrWhiteSpace(dlg.SelectedPath))
-                {
-                    ArchiveTextBox.Text = dlg.SelectedPath;
-                }
-            }
         }
         #endregion (SET_ARC_DIR)
         #region (SET_XML_DIR)
         private void SET_XML_DIR(object sender, RoutedEventArgs e)
         {
-            // Use the WinForms FolderBrowserDialog to select a folder for XML files
+            var sel = SettingsUi.SelectDirectory("Select XML folder");
-            using (var dlg = new System.Windows.Forms.FolderBrowserDialog())
+            if (!string.IsNullOrWhiteSpace(sel)) XmlDirectoryTextBox.Text = sel;
-            {
-                dlg.Description = "Select XML folder";
-                dlg.ShowNewFolderButton = true;
-                var result = dlg.ShowDialog();
-                if (result == System.Windows.Forms.DialogResult.OK && !string.IsNullOrWhiteSpace(dlg.SelectedPath))
-                {
-                    XmlDirectoryTextBox.Text = dlg.SelectedPath;
-                }
-            }
         }
         #endregion (SET_XML_DIR)
 
@@ -211,7 +224,7 @@ namespace TapeCatalog
             }
 
             XmlFilesListBox.Items.Clear();
-            XmlViewerTextBox.Clear();
+            XmlSummaryListView.Items.Clear();
             foreach (var f in files)
             {
                 XmlFilesListBox.Items.Add(f);
@@ -232,132 +245,42 @@ namespace TapeCatalog
         private void SCAN_RES_DIR(object sender, RoutedEventArgs e)
         {
             var path = SourceTextBox.Text?.Trim();
-            if (string.IsNullOrWhiteSpace(path))
+            if (string.IsNullOrWhiteSpace(path) || !Directory.Exists(path))
             {
-                MessageBox.Show("Please select a directory first.", "No directory", MessageBoxButton.OK, MessageBoxImage.Warning);
+                MessageBox.Show("Please select a valid Source directory first.", "No directory", MessageBoxButton.OK, MessageBoxImage.Warning);
-                return;
-            }
-
-            if (!Directory.Exists(path))
-            {
-                MessageBox.Show("The specified directory does not exist.", "Directory not found", MessageBoxButton.OK, MessageBoxImage.Error);
                 return;
             }
 
             try
             {
-                foreach (var file in Directory.EnumerateFiles(path, "*.*", SearchOption.AllDirectories))
+                var count = SettingsUi.ScanSource(path, _files);
-                {
+                MessageBox.Show($"Scan abgeschlossen. Einträge: {count}", "Scan beendet", MessageBoxButton.OK, MessageBoxImage.Information);
-                    try
-                    {
-                        var fi = new FileInfo(file);
-                        // check if an entry with same filename and same source directory already exists
-                        var existing = _files.FirstOrDefault(f => string.Equals(f.Filename, fi.Name, StringComparison.OrdinalIgnoreCase)
-                                                                   && string.Equals(f.FileDir, fi.DirectoryName, StringComparison.OrdinalIgnoreCase));
-                        if (existing != null)
-                        {
-                            var newSizeMb = FormatBytesToMb(fi.Length);
-                            if (existing.SizeSrc != newSizeMb)
-                            { 
-                                // update size and modification date, do not add a new entry
-                                existing.SizeSrc = newSizeMb;
-                                existing.ModSrc = fi.LastWriteTime.ToString();
-                                // reset verification status and archive drive info
-                                existing.Status = string.Empty;
-                                existing.ArcDrive = string.Empty;
-                            }
-                        }
-                        else
-                        {
-                            _files.Add(new FileEntry
-                            {
-                                Filename = fi.Name,
-                                FileDir = fi.DirectoryName,
-                                SizeSrc = FormatBytesToMb(fi.Length),
-                                //SizeArc = string.Empty,
-                                ModSrc = fi.LastWriteTime.ToString(),
-                                //ModArc = string.Empty
-                            });
-                        }
-                    }
-                    catch
-                    {
-                        // ignore files we can't access
-                    }
-                }
             }
             catch (Exception ex)
             {
                 MessageBox.Show($"Error scanning directory: {ex.Message}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
             }
-            // inform user that scan finished
-            MessageBox.Show($"Scan abgeschlossen. Einträge: {_files.Count}", "Scan beendet", MessageBoxButton.OK, MessageBoxImage.Information);
         }
         #endregion (SCAN_RES_DIR)
         #region(SCAN_ARC_DIR)
         private void SCAN_ARC_DIR(object sender, RoutedEventArgs e)
         {
             var path = ArchiveTextBox.Text?.Trim();
-            if (string.IsNullOrWhiteSpace(path))
+            if (string.IsNullOrWhiteSpace(path) || !Directory.Exists(path))
             {
-                MessageBox.Show("Please select an archive directory first.", "No directory", MessageBoxButton.OK, MessageBoxImage.Warning);
+                MessageBox.Show("Please select a valid Archive directory first.", "No directory", MessageBoxButton.OK, MessageBoxImage.Warning);
-                return;
-            }
-
-            if (!Directory.Exists(path))
-            {
-                MessageBox.Show("The specified archive directory does not exist.", "Directory not found", MessageBoxButton.OK, MessageBoxImage.Error);
                 return;
             }
 
             try
             {
-                foreach (var file in Directory.EnumerateFiles(path, "*.*", SearchOption.AllDirectories))
+                var count = SettingsUi.ScanArchive(path, _files);
-                {
+                MessageBox.Show($"Scan abgeschlossen. Einträge: {count}", "Scan beendet", MessageBoxButton.OK, MessageBoxImage.Information);
-                    try
-                    {
-                        var fi = new FileInfo(file);
-
-                        // look for existing entry by filename (case-insensitive)
-                        var existing = _files.FirstOrDefault(f => string.Equals(f.Filename, fi.Name, StringComparison.Ordinal));
-                        if (existing != null)
-                        {
-                            // update SizeArc
-                            existing.SizeArc = FormatBytesToMb(fi.Length);
-
-                            // update ModArc to the most recent modified date
-                            DateTime prevMod;
-                            if (!DateTime.TryParse(existing.ModArc, out prevMod))
-                                prevMod = DateTime.MinValue;
-
-                            var mod = fi.LastWriteTime > prevMod ? fi.LastWriteTime : prevMod;
-                            existing.ModArc = mod.ToString();
-                        }
-                        else
-                        {
-                            _files.Add(new FileEntry
-                            {
-                                Filename = fi.Name,
-                                FileDir = fi.DirectoryName,
-                                //SizeSrc = string.Empty,
-                                SizeArc = FormatBytesToMb(fi.Length),
-                                //ModSrc = string.Empty,
-                                ModArc = fi.LastWriteTime.ToString()
-                            });
-                        }
-                    }
-                    catch
-                    {
-                        // ignore inaccessible files
-                    }
-                }
             }
             catch (Exception ex)
             {
                 MessageBox.Show($"Error scanning archive directory: {ex.Message}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
             }
-            // inform user that archive scan finished
-            MessageBox.Show($"Scan abgeschlossen. Einträge: {_files.Count}", "Scan beendet", MessageBoxButton.OK, MessageBoxImage.Information);
         }
         #endregion(SCAN_ARC_DIR)
         #region (CLEAR_FILES)
@@ -420,58 +343,7 @@ namespace TapeCatalog
         // Populate CopyTreeView with directory structure from SourceTextBox
         private void POPULATE_COPY_TREE(object sender, RoutedEventArgs e)
         {
-            BuildCopyTree();
+            Copy.PopulateTree(CopyTreeView, SourceTextBox.Text);
-        }
-
-        private void BuildCopyTree()
-        {
-            CopyTreeView.Items.Clear();
-            var path = SourceTextBox.Text?.Trim();
-            if (string.IsNullOrWhiteSpace(path) || !Directory.Exists(path))
-            {
-                MessageBox.Show(this, "Please select a valid Source directory first.", "Invalid Source", MessageBoxButton.OK, MessageBoxImage.Warning);
-                return;
-            }
-
-            try
-            {
-                var rootDir = new DirectoryInfo(path);
-                var rootItem = CreateDirectoryNode(rootDir);
-                rootItem.IsExpanded = true;
-                CopyTreeView.Items.Add(rootItem);
-            }
-            catch (Exception ex)
-            {
-                MessageBox.Show(this, $"Error building copy tree: {ex.Message}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
-            }
-        }
-
-        private TreeViewItem CreateDirectoryNode(DirectoryInfo dir)
-        {
-            var item = new TreeViewItem { Header = dir.Name, Tag = dir.FullName };
-            try
-            {
-                foreach (var sub in dir.GetDirectories())
-                {
-                    item.Items.Add(CreateDirectoryNode(sub));
-                }
-                foreach (var f in dir.GetFiles())
-                {
-                    var fileItem = new TreeViewItem { Tag = f.FullName };
-                    var sp = new StackPanel { Orientation = Orientation.Horizontal };
-                    var cb = new CheckBox { VerticalAlignment = VerticalAlignment.Center, Margin = new Thickness(0, 0, 4, 0) };
-                    var tb = new TextBlock { Text = f.Name, VerticalAlignment = VerticalAlignment.Center };
-                    sp.Children.Add(cb);
-                    sp.Children.Add(tb);
-                    fileItem.Header = sp;
-                    item.Items.Add(fileItem);
-                }
-            }
-            catch
-            {
-                // ignore access exceptions
-            }
-            return item;
         }
 
         private void COPY_SELECTED_TO_ARCHIVE(object sender, RoutedEventArgs e)
@@ -490,68 +362,63 @@ namespace TapeCatalog
                 return;
             }
 
-            var files = new List<string>();
+            var result = Copy.CopySelectedToArchive(CopyTreeView, sourceRoot, archivePath);
-            foreach (var it in CopyTreeView.Items)
+            MessageBox.Show(this, $"Copy finished. Success: {result.Item1}, Failed: {result.Item2}", "Copy completed", MessageBoxButton.OK, MessageBoxImage.Information);
-            {
-                if (it is TreeViewItem tvi)
-                    CollectCheckedFiles(tvi, files);
         }
 
-            if (files.Count == 0)
+        private void UpdateCopySummary()
-            {
-                MessageBox.Show(this, "No files selected.", "Nothing to copy", MessageBoxButton.OK, MessageBoxImage.Information);
-                return;
-            }
-
-            int copied = 0, failed = 0;
-            foreach (var src in files)
         {
             try
             {
-                    var fileDir = System.IO.Path.GetDirectoryName(src) ?? string.Empty;
+                var files = Copy.GetCheckedFiles(CopyTreeView);
-                    string relative;
+                CopySelectedCountText.Text = files.Count.ToString();
-                    if (fileDir.StartsWith(sourceRoot, StringComparison.OrdinalIgnoreCase))
-                        relative = fileDir.Substring(sourceRoot.Length).TrimStart(System.IO.Path.DirectorySeparatorChar, System.IO.Path.AltDirectorySeparatorChar);
-                    else
-                        relative = System.IO.Path.GetFileName(fileDir);
 
-                    var destDir = System.IO.Path.Combine(archivePath, relative);
+                double totalMb = 0;
-                    Directory.CreateDirectory(destDir);
+                foreach (var f in files)
-                    var destFile = System.IO.Path.Combine(destDir, System.IO.Path.GetFileName(src));
+                {
-                    File.Copy(src, destFile, true);
+                    try
-                    copied++;
+                    {
+                        var fi = new FileInfo(f);
+                        totalMb += fi.Length / 1024.0 / 1024.0;
                     }
                     catch
                     {
-                    failed++;
+                        // ignore
                     }
                 }
+                CopySelectedSizeText.Text = totalMb.ToString("F2");
 
-            MessageBox.Show(this, $"Copy finished. Success: {copied}, Failed: {failed}", "Copy completed", MessageBoxButton.OK, MessageBoxImage.Information);
+                var archivePath = ArchiveTextBox.Text?.Trim();
-        // no-op edit to preserve patch continuity
+                if (!string.IsNullOrWhiteSpace(archivePath))
+                {
+                    try
+                    {
+                        var root = System.IO.Path.GetPathRoot(archivePath);
+                        if (!string.IsNullOrWhiteSpace(root))
+                        {
+                            var di = new DriveInfo(root);
+                            // AvailableFreeSpace in bytes
+                            double freeMb = di.AvailableFreeSpace / 1024.0 / 1024.0;
+                            ArchiveFreeText.Text = freeMb.ToString("F2") + " MB";
                         }
-
+                        else
-        private void CollectCheckedFiles(TreeViewItem node, List<string> list)
                         {
-            if (node.Header is StackPanel sp)
+                            ArchiveFreeText.Text = "N/A";
-            {
-                foreach (var child in sp.Children)
-                {
-                    if (child is CheckBox cb && cb.IsChecked == true)
-                    {
-                        if (node.Tag is string path && File.Exists(path))
-                        {
-                            list.Add(path);
-                        }
-                        break;
                         }
                     }
-            }
+                    catch
-
-            foreach (var it in node.Items)
                     {
-                if (it is TreeViewItem t)
+                        ArchiveFreeText.Text = "N/A";
-                    CollectCheckedFiles(t, list);
+                    }
+                }
+                else
+                {
+                    ArchiveFreeText.Text = "N/A";
+                }
+            }
+            catch (Exception)
+            {
+                // swallow periodic update errors; avoid UI disruptions
             }
         }
     }

Methods/Copy.cs

@@ -0,0 +1,185 @@
+using System;
+using System.IO;
+using System.Windows.Controls;
+using System.Windows;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace TapeCatalog.Methods
+{
+    // Reusable helper methods for copy-related UI functionality
+    public static class Copy
+    {
+        // guard to prevent recursive Checked/Unchecked handling while we programmatically change states
+        private static bool _suppressCheckEvents = false;
+        public static void PopulateTree(TreeView tree, string path)
+        {
+            if (tree == null) return;
+            tree.Items.Clear();
+            if (string.IsNullOrWhiteSpace(path) || !Directory.Exists(path)) return;
+
+            var rootDir = new DirectoryInfo(path);
+            var rootItem = CreateDirectoryNode(rootDir);
+            rootItem.IsExpanded = true;
+            tree.Items.Add(rootItem);
+        }
+
+        public static TreeViewItem CreateDirectoryNode(DirectoryInfo dir)
+        {
+            var item = new TreeViewItem { Tag = dir.FullName };
+
+            // Create header with a checkbox for the directory as well
+            var headerPanel = new StackPanel { Orientation = Orientation.Horizontal };
+            var dirCb = new CheckBox { VerticalAlignment = VerticalAlignment.Center, Margin = new Thickness(0, 0, 4, 0) };
+            var dirTb = new TextBlock { Text = dir.Name, VerticalAlignment = VerticalAlignment.Center };
+            headerPanel.Children.Add(dirCb);
+            headerPanel.Children.Add(dirTb);
+            item.Header = headerPanel;
+
+            try
+            {
+                // add subdirectories
+                foreach (var sub in dir.GetDirectories())
+                {
+                    item.Items.Add(CreateDirectoryNode(sub));
+                }
+
+                // add files
+                foreach (var f in dir.GetFiles())
+                {
+                    var fileItem = new TreeViewItem { Tag = f.FullName };
+                    var sp = new StackPanel { Orientation = Orientation.Horizontal };
+                    var cb = new CheckBox { VerticalAlignment = VerticalAlignment.Center, Margin = new Thickness(0, 0, 4, 0) };
+                    var tb = new TextBlock { Text = f.Name, VerticalAlignment = VerticalAlignment.Center };
+                    sp.Children.Add(cb);
+                    sp.Children.Add(tb);
+                    fileItem.Header = sp;
+                    item.Items.Add(fileItem);
+                }
+            }
+            catch
+            {
+                // ignore access exceptions
+            }
+
+            // Wire events to propagate state to children when directory checkbox is toggled
+            dirCb.Checked += (s, e) =>
+            {
+                if (_suppressCheckEvents) return;
+                try { _suppressCheckEvents = true; SetCheckedState(item, true); }
+                finally { _suppressCheckEvents = false; }
+            };
+            dirCb.Unchecked += (s, e) =>
+            {
+                if (_suppressCheckEvents) return;
+                try { _suppressCheckEvents = true; SetCheckedState(item, false); }
+                finally { _suppressCheckEvents = false; }
+            };
+
+            return item;
+        }
+
+        private static void SetCheckedState(TreeViewItem node, bool isChecked)
+        {
+            foreach (var it in node.Items)
+            {
+                if (it is TreeViewItem child)
+                {
+                    // child header expected to be a StackPanel with a CheckBox as first child
+                    if (child.Header is StackPanel sp && sp.Children.Count > 0)
+                    {
+                        foreach (var ch in sp.Children)
+                        {
+                            if (ch is CheckBox childCb)
+                            {
+                                childCb.IsChecked = isChecked;
+                                break;
+                            }
+                        }
+                    }
+
+                    // recurse into grandchildren
+                    if (child.Items != null && child.Items.Count > 0)
+                    {
+                        SetCheckedState(child, isChecked);
+                    }
+                }
+            }
+        }
+
+        // Collect checked files and copy them to archive preserving relative folders
+        public static Tuple<int,int> CopySelectedToArchive(TreeView tree, string sourceRoot, string archivePath)
+        {
+            if (tree == null) return Tuple.Create(0, 0);
+            var files = new List<string>();
+            foreach (var it in tree.Items)
+            {
+                if (it is TreeViewItem tvi)
+                    CollectCheckedFiles(tvi, files);
+            }
+
+            int copied = 0, failed = 0;
+            foreach (var src in files)
+            {
+                try
+                {
+                    var fileDir = System.IO.Path.GetDirectoryName(src) ?? string.Empty;
+                    string relative;
+                    if (!string.IsNullOrWhiteSpace(sourceRoot) && fileDir.StartsWith(sourceRoot, StringComparison.OrdinalIgnoreCase))
+                        relative = fileDir.Substring(sourceRoot.Length).TrimStart(System.IO.Path.DirectorySeparatorChar, System.IO.Path.AltDirectorySeparatorChar);
+                    else
+                        relative = System.IO.Path.GetFileName(fileDir);
+
+                    var destDir = System.IO.Path.Combine(archivePath, relative);
+                    Directory.CreateDirectory(destDir);
+                    var destFile = System.IO.Path.Combine(destDir, System.IO.Path.GetFileName(src));
+                    File.Copy(src, destFile, true);
+                    copied++;
+                }
+                catch
+                {
+                    failed++;
+                }
+            }
+
+            return Tuple.Create(copied, failed);
+        }
+
+        // Return a list of all checked file paths in the tree
+        public static List<string> GetCheckedFiles(TreeView tree)
+        {
+            var files = new List<string>();
+            if (tree == null) return files;
+            foreach (var it in tree.Items)
+            {
+                if (it is TreeViewItem tvi)
+                    CollectCheckedFiles(tvi, files);
+            }
+            return files;
+        }
+
+        private static void CollectCheckedFiles(TreeViewItem node, List<string> list)
+        {
+            if (node.Header is StackPanel sp)
+            {
+                foreach (var child in sp.Children)
+                {
+                    if (child is CheckBox cb && cb.IsChecked == true)
+                    {
+                        if (node.Tag is string path && File.Exists(path))
+                        {
+                            list.Add(path);
+                        }
+                        break;
+                    }
+                }
+            }
+
+            foreach (var it in node.Items)
+            {
+                if (it is TreeViewItem t)
+                    CollectCheckedFiles(t, list);
+            }
+        }
+    }
+}

Methods/CopyMethods.cs

@@ -1,51 +0,0 @@
-using System;
-using System.IO;
-using System.Windows.Controls;
-using System.Windows;
-
-namespace TapeCatalog.Methods
-{
-    // Reusable helper methods for copy-related UI functionality
-    public static class CopyMethods
-    {
-        public static void PopulateTree(TreeView tree, string path)
-        {
-            if (tree == null) return;
-            tree.Items.Clear();
-            if (string.IsNullOrWhiteSpace(path) || !Directory.Exists(path)) return;
-
-            var rootDir = new DirectoryInfo(path);
-            var rootItem = CreateDirectoryNode(rootDir);
-            rootItem.IsExpanded = true;
-            tree.Items.Add(rootItem);
-        }
-
-        public static TreeViewItem CreateDirectoryNode(DirectoryInfo dir)
-        {
-            var item = new TreeViewItem { Header = dir.Name, Tag = dir.FullName };
-            try
-            {
-                foreach (var sub in dir.GetDirectories())
-                {
-                    item.Items.Add(CreateDirectoryNode(sub));
-                }
-                foreach (var f in dir.GetFiles())
-                {
-                    var fileItem = new TreeViewItem { Tag = f.FullName };
-                    var sp = new StackPanel { Orientation = Orientation.Horizontal };
-                    var cb = new CheckBox { VerticalAlignment = VerticalAlignment.Center, Margin = new Thickness(0, 0, 4, 0) };
-                    var tb = new TextBlock { Text = f.Name, VerticalAlignment = VerticalAlignment.Center };
-                    sp.Children.Add(cb);
-                    sp.Children.Add(tb);
-                    fileItem.Header = sp;
-                    item.Items.Add(fileItem);
-                }
-            }
-            catch
-            {
-                // ignore access exceptions
-            }
-            return item;
-        }
-    }
-}

Methods/xml.cs

@@ -0,0 +1,83 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Xml.Linq;
+
+namespace TapeCatalog.Methods
+{
+    /// <summary>
+    /// Helpers to read XML files and produce a compact summary used by the UI.
+    /// </summary>
+    public static class Xml
+    {
+        public static List<TapeCatalog.FileEntry> ParseSummary(string filePath)
+        {
+            var result = new List<TapeCatalog.FileEntry>();
+            if (string.IsNullOrWhiteSpace(filePath) || !File.Exists(filePath))
+                return result;
+
+            try
+            {
+                var doc = XDocument.Load(filePath);
+                var root = doc.Root;
+                if (root == null) return result;
+
+                if (string.Equals(root.Name.LocalName, "Files", StringComparison.OrdinalIgnoreCase))
+                {
+                    foreach (var fe in root.Elements("File"))
+                    {
+                        try
+                        {
+                            var fn = fe.Element("Filename")?.Value ?? string.Empty;
+                            var fd = fe.Element("FileDir")?.Value ?? string.Empty;
+                            var st = fe.Element("Status")?.Value ?? string.Empty;
+                            result.Add(new TapeCatalog.FileEntry { Filename = fn, FileDir = fd, Status = st });
+                        }
+                        catch
+                        {
+                            // ignore malformed entries
+                        }
+                    }
+                }
+                else if (string.Equals(root.Name.LocalName, "TapeEntries", StringComparison.OrdinalIgnoreCase))
+                {
+                    foreach (var entry in root.Elements("Entry"))
+                    {
+                        try
+                        {
+                            var fn = entry.Element("Filename")?.Value ?? string.Empty;
+                            var med = entry.Element("Medium")?.Value ?? string.Empty;
+                            var mod = entry.Element("Modified")?.Value ?? string.Empty;
+                            result.Add(new TapeCatalog.FileEntry { Filename = fn, FileDir = med, Status = mod });
+                        }
+                        catch
+                        {
+                            // ignore malformed entries
+                        }
+                    }
+                }
+            }
+            catch
+            {
+                // ignore parse errors and return empty list
+            }
+
+            return result;
+        }
+
+        public static string[] GetXmlFiles(string xmlDirectory)
+        {
+            if (string.IsNullOrWhiteSpace(xmlDirectory) || !Directory.Exists(xmlDirectory))
+                return Array.Empty<string>();
+
+            try
+            {
+                return Directory.GetFiles(xmlDirectory, "*.xml", SearchOption.TopDirectoryOnly);
+            }
+            catch
+            {
+                return Array.Empty<string>();
+            }
+        }
+    }
+}

TapeCatalog.csproj

@@ -56,8 +56,9 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </ApplicationDefinition>
-    <Compile Include="Methods\CopyMethods.cs" />
+    <Compile Include="Methods\Copy.cs" />
     <Compile Include="Methods\Settings.cs" />
+    <Compile Include="Methods\xml.cs" />
     <Compile Include="XML_Methods.cs" />
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>