Added showing of ActiveFilepath and made things line up

XSDVisualiser.Desktop/ViewModels/MainWindowViewModel.cs

@@ -59,5 +59,22 @@ namespace XSDVisualiser.Desktop.ViewModels
         }
 
         public IEnumerable<SchemaNode> VisibleRootElements => SelectedRootElement != null ? [SelectedRootElement] : RootElements;
+
+        private string? _currentFilePath;
+        public string? CurrentFilePath
+        {
+            get => _currentFilePath;
+            set
+            {
+                if (string.Equals(_currentFilePath, value, StringComparison.Ordinal)) return;
+                _currentFilePath = value;
+                OnPropertyChanged();
+                OnPropertyChanged(nameof(CurrentFileName));
+                OnPropertyChanged(nameof(CurrentDirectory));
+            }
+        }
+
+        public string? CurrentFileName => string.IsNullOrEmpty(_currentFilePath) ? null : System.IO.Path.GetFileName(_currentFilePath);
+        public string? CurrentDirectory => string.IsNullOrEmpty(_currentFilePath) ? null : System.IO.Path.GetDirectoryName(_currentFilePath);
     }
 }

XSDVisualiser.Desktop/Views/HeaderView.axaml

@@ -2,13 +2,22 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              x:Class="XSDVisualiser.Desktop.Views.HeaderView"
              x:CompileBindings="False">
-    <DockPanel LastChildFill="False">
+    <Grid RowDefinitions="Auto" ColumnDefinitions="Auto,*,Auto,Auto" MinHeight="44">
-        <TextBlock Text="XSD Visualiser" FontSize="20" FontWeight="SemiBold" Margin="0,0,12,0" DockPanel.Dock="Left"/>
+        <TextBlock Grid.Column="0"
+                   Text="XSD Visualiser"
+                   FontSize="20"
+                   FontWeight="SemiBold"
+                   Margin="0,0,12,0"
+                   VerticalAlignment="Center"/>
 
-        <AutoCompleteBox Width="320" Margin="0,0,12,0" Watermark="Search and choose a root element"
+        <AutoCompleteBox Grid.Column="1"
+                          Margin="0,0,12,0"
+                          Watermark="Search and choose a root element"
                           ItemsSource="{Binding RootElements}"
                           FilterMode="Contains"
-                          MinimumPrefixLength="0">
+                          MinimumPrefixLength="0"
+                          HorizontalAlignment="Stretch"
+                          VerticalAlignment="Center">
             <AutoCompleteBox.ItemTemplate>
                 <DataTemplate>
                     <TextBlock Text="{Binding .}"/>
@@ -19,6 +28,35 @@
             </AutoCompleteBox.SelectedItem>
         </AutoCompleteBox>
 
-        <Button Content="Open XSD and parse" x:Name="OpenBtn" Width="220"/>
+        <Button Grid.Column="2"
-    </DockPanel>
+                Content="Open XSD and parse"
+                x:Name="OpenBtn"
+                Width="220"
+                VerticalAlignment="Center"/>
+
+        <Border Grid.Column="3"
+                Background="{DynamicResource PanelBackgroundBrush}"
+                BorderBrush="{DynamicResource PanelBorderBrush}"
+                BorderThickness="1"
+                CornerRadius="6"
+                Padding="8"
+                Margin="12,0,0,0"
+                VerticalAlignment="Center"
+                IsVisible="{Binding CurrentFilePath, Converter={x:Static ObjectConverters.IsNotNull}}"
+                ToolTip.Tip="{Binding CurrentFilePath}">
+            <Border.ContextMenu>
+                <ContextMenu>
+                    <MenuItem Header="Copy path" Click="OnCopyPathClick"/>
+                    <MenuItem Header="Open containing folder" Click="OnOpenContainingFolderClick"/>
+                </ContextMenu>
+            </Border.ContextMenu>
+            <StackPanel Orientation="Horizontal" Spacing="8">
+                <TextBlock Text="File:" Foreground="{DynamicResource SubtleTextBrush}"/>
+                <StackPanel MaxWidth="520">
+                    <TextBlock Text="{Binding CurrentFileName}" FontWeight="SemiBold" TextTrimming="CharacterEllipsis"/>
+                    <TextBlock Text="{Binding CurrentDirectory}" Foreground="{DynamicResource SubtleTextBrush}" TextTrimming="CharacterEllipsis"/>
+                </StackPanel>
+            </StackPanel>
+        </Border>
+    </Grid>
 </UserControl>

XSDVisualiser.Desktop/Views/HeaderView.axaml.cs

@@ -66,7 +66,14 @@ public partial class HeaderView : UserControl
             {
                 var parser = new XsdSchemaParser();
                 var model = parser.Parse(path);
-                Dispatcher.UIThread.Post(() => hostWindow.DataContext = new MainWindowViewModel(model));
+                Dispatcher.UIThread.Post(() =>
+                {
+                    var vm = new MainWindowViewModel(model)
+                    {
+                        CurrentFilePath = path
+                    };
+                    hostWindow.DataContext = vm;
+                });
             }
             catch (Exception ex)
             {
@@ -74,4 +81,67 @@ public partial class HeaderView : UserControl
             }
         });
     }
+
+    private async void OnCopyPathClick(object? sender, RoutedEventArgs e)
+    {
+        var vm = DataContext as MainWindowViewModel;
+        var path = vm?.CurrentFilePath;
+        if (string.IsNullOrWhiteSpace(path)) return;
+
+        var topLevel = TopLevel.GetTopLevel(this);
+        if (topLevel?.Clipboard != null)
+        {
+            await topLevel.Clipboard.SetTextAsync(path);
+        }
+    }
+
+    private void OnOpenContainingFolderClick(object? sender, RoutedEventArgs e)
+    {
+        var vm = DataContext as MainWindowViewModel;
+        var path = vm?.CurrentFilePath;
+        if (string.IsNullOrWhiteSpace(path)) return;
+        var dir = System.IO.Path.GetDirectoryName(path);
+        if (string.IsNullOrWhiteSpace(dir) || !System.IO.Directory.Exists(dir)) return;
+        TryOpenFolder(dir);
+    }
+
+    private static void TryOpenFolder(string dir)
+    {
+        try
+        {
+            if (OperatingSystem.IsWindows())
+            {
+                var psi = new System.Diagnostics.ProcessStartInfo("explorer.exe", dir)
+                {
+                    UseShellExecute = true
+                };
+                System.Diagnostics.Process.Start(psi);
+            }
+            else if (OperatingSystem.IsMacOS())
+            {
+                System.Diagnostics.Process.Start("open", dir);
+            }
+            else
+            {
+                // Linux
+                System.Diagnostics.Process.Start("xdg-open", dir);
+            }
+        }
+        catch
+        {
+            try
+            {
+                var psi = new System.Diagnostics.ProcessStartInfo
+                {
+                    FileName = dir,
+                    UseShellExecute = true
+                };
+                System.Diagnostics.Process.Start(psi);
+            }
+            catch
+            {
+                // ignored
+            }
+        }
+    }
 }