Add designer file menu and package metadata

LehrerApp.TemplateDesigner/DesignerViewModel.cs

@@ -28,6 +28,7 @@ public partial class DesignerViewModel : ObservableObject
     [ObservableProperty] private string _statusColor = "#475569";
     [ObservableProperty] private bool _canExport;
     [ObservableProperty] private DesignerPlaceholder? _selectedPlaceholder;
+    [ObservableProperty] private DesignerMetadata? _selectedMetadata;
     [ObservableProperty] private DesignerAsset? _selectedAsset;
     [ObservableProperty] private StarterTemplateItem? _selectedStarterTemplate;
     [ObservableProperty] private OverlayEditorMode _overlayMode = OverlayEditorMode.Measure;
@@ -50,6 +51,11 @@ public partial class DesignerViewModel : ObservableObject
         new("Brieftext", PlaceholderType.Multiline, true, "hiermit informieren wir Sie über einen wichtigen Termin.\n\nMit freundlichen Grüßen"),
         new("LehrerName", PlaceholderType.Text, true, "M. Mustermann"),
     ];
+    public ObservableCollection<DesignerMetadata> MetadataItems { get; } =
+    [
+        new(TemplateMetadataKeys.Language, "de-DE"),
+        new(TemplateMetadataKeys.ReportType, "letter"),
+    ];
     public Dictionary<string, byte[]> Assets { get; } = new(StringComparer.OrdinalIgnoreCase);
     public ObservableCollection<DesignerAsset> AssetItems { get; } = [];
     public ObservableCollection<StarterTemplateItem> StarterTemplates { get; } = [];
@@ -58,8 +64,16 @@ public partial class DesignerViewModel : ObservableObject
     {
         TemplateId = "neue-vorlage"; TemplateName = "Neue Vorlage"; Description = "";
         PageWidth = 210; PageHeight = 297; Unit = "mm"; LayoutSource = "PAGE 210 297 mm\n";
-        Placeholders.Clear(); Assets.Clear(); AssetItems.Clear(); SelectedAsset = null;
-        PreviewImage = null; CanExport = false;
+        Placeholders.Clear(); SelectedPlaceholder = null;
+        MetadataItems.Clear(); MetadataItems.Add(new(TemplateMetadataKeys.Language, "de-DE"));
+        MetadataItems.Add(new(TemplateMetadataKeys.ReportType, "letter"));
+        SelectedMetadata = null;
+        Assets.Clear(); AssetItems.Clear(); SelectedAsset = null;
+        NewElementType = "TEXT"; NewX = "20"; NewY = "50"; NewWidth = "170"; NewHeight = "30";
+        NewImageScale = "100"; NewContent = "$Brieftext"; NewAttributes = "size=11";
+        PreviewImage?.Dispose(); PreviewImage = null; CanExport = false;
+        OverlayMode = OverlayEditorMode.Measure; OverlayCoordinates = "x=– · y=–";
+        SelectedOverlayElement = "Kein Element ausgewählt";
         SetStatus("Neues Projekt angelegt.", false);
     }
 
@@ -68,6 +82,7 @@ public partial class DesignerViewModel : ObservableObject
         SchemaVersion = TemplateLoader.CurrentSchemaVersion,
         Id = TemplateId.Trim(), Name = TemplateName.Trim(), Description = Description.Trim(),
         PageSize = new((float)PageWidth, (float)PageHeight, Unit), LayoutFile = "layout.tpl",
+        Metadata = BuildMetadata(),
         Placeholders = Placeholders.Select(x => new PlaceholderDefinition(x.Name.Trim(), x.Type, x.Required)).ToList(),
     };
 
@@ -96,6 +111,10 @@ public partial class DesignerViewModel : ObservableObject
         TemplateId = template.Manifest.Id; TemplateName = template.Manifest.Name; Description = template.Manifest.Description;
         PageWidth = (decimal)template.Manifest.PageSize.Width; PageHeight = (decimal)template.Manifest.PageSize.Height;
         Unit = template.Manifest.PageSize.Unit; LayoutSource = layoutSource;
+        MetadataItems.Clear();
+        foreach (var item in template.Manifest.Metadata.OrderBy(x => x.Key, StringComparer.OrdinalIgnoreCase))
+            MetadataItems.Add(new(item.Key, item.Value));
+        SelectedMetadata = null;
         Placeholders.Clear();
         foreach (var placeholder in template.Manifest.Placeholders)
             Placeholders.Add(new(placeholder.Name, placeholder.Type, placeholder.Required, DesignerPlaceholder.SampleFor(placeholder.Type)));
@@ -131,6 +150,19 @@ public partial class DesignerViewModel : ObservableObject
             ?? StarterTemplates.FirstOrDefault();
     }
 
+    private Dictionary<string, string> BuildMetadata()
+    {
+        var result = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+        foreach (var item in MetadataItems)
+        {
+            var key = item.Name.Trim(); var value = item.Value.Trim();
+            if (!result.TryAdd(key, value))
+                throw new InvalidDataException($"Metadatenschlüssel „{key}“ ist mehrfach vorhanden.");
+        }
+        TemplateMetadataText.Serialize(result);
+        return result;
+    }
+
     private static ITemplateDataProvider BuildSampleDataProvider(TemplateManifest manifest) =>
         new DesignerDataProvider(manifest.Placeholders.ToDictionary(x => x.Name,
             x => new DesignerPlaceholder(x.Name, x.Type, x.Required, DesignerPlaceholder.SampleFor(x.Type)).ToValue(),
@@ -337,6 +369,12 @@ public partial class DesignerViewModel : ObservableObject
         """;
 }
 
+public partial class DesignerMetadata(string name, string value) : ObservableObject
+{
+    [ObservableProperty] private string _name = name;
+    [ObservableProperty] private string _value = value;
+}
+
 public partial class DesignerAsset(string name, int pixelWidth, int pixelHeight, long byteCount) : ObservableObject
 {
     [ObservableProperty] private int _usageCount;

LehrerApp.TemplateDesigner/MainWindow.axaml

@@ -2,17 +2,46 @@
         xmlns:local="clr-namespace:LehrerApp.TemplateDesigner"
         x:Class="LehrerApp.TemplateDesigner.MainWindow" x:DataType="local:DesignerViewModel" Title="LehrerApp Vorlagen-Designer"
         Width="1320" Height="860" MinWidth="1050" MinHeight="700" WindowStartupLocation="CenterScreen">
-  <Grid RowDefinitions="Auto,*">
-    <Border Padding="18,12" Background="#172554">
-      <Grid ColumnDefinitions="*,Auto,8,Auto,8,Auto">
+  <Grid RowDefinitions="Auto,Auto,*">
+    <Menu>
+      <MenuItem Header="_Datei">
+        <MenuItem Header="Neu (leeres Projekt)" InputGesture="Ctrl+N" Click="OnNew"/>
+        <MenuItem Header="Öffnen …" InputGesture="Ctrl+O" Click="OnOpenPackage"/>
+        <Separator/>
+        <MenuItem Header="Speichern" InputGesture="Ctrl+S" Click="OnSave"/>
+        <MenuItem Header="Speichern unter …" InputGesture="Ctrl+Shift+S" Click="OnSaveAs"/>
+        <Separator/>
+        <MenuItem Header="Ausgangsvorlage importieren …" Click="OnImportStarterTemplate"/>
+        <Separator/>
+        <MenuItem Header="Beenden" Click="OnExit"/>
+      </MenuItem>
+      <MenuItem Header="_Vorlage">
+        <MenuItem Header="Prüfen und Vorschau" InputGesture="F5" Click="OnPreview"/>
+        <MenuItem Header="Aktuelles Projekt als Ausgangsvorlage speichern" Click="OnSaveStarterTemplate"/>
+        <Separator/>
+        <MenuItem Header="Ausgewählte Ausgangsvorlage bearbeiten" Click="OnEditStarterTemplate"/>
+        <MenuItem Header="Ausgewählte Ausgangsvorlage als neues Projekt" Click="OnUseStarterTemplate"/>
+        <MenuItem Header="Ausgewählte Ausgangsvorlage duplizieren" Click="OnDuplicateStarterTemplate"/>
+        <MenuItem Header="Ausgewählte Ausgangsvorlage exportieren …" Click="OnExportStarterTemplate"/>
+      </MenuItem>
+      <MenuItem Header="_Einfügen">
+        <MenuItem Header="Bild-Asset …" Click="OnImportAsset"/>
+        <Separator/>
+        <MenuItem Header="PNG/JPEG als Hintergrund …" Click="OnImportBackground"/>
+        <MenuItem Header="PDF als Hintergrund …" Click="OnImportPdfBackground"/>
+      </MenuItem>
+    </Menu>
+    <Border Grid.Row="1" Padding="18,12" Background="#172554">
+      <Grid ColumnDefinitions="*,Auto">
         <StackPanel><TextBlock Text="Vorlagen-Designer" Foreground="White" FontWeight="Bold" FontSize="20"/>
           <TextBlock Text="Portable PDF-Briefpakete · Schema 1" Foreground="#BFDBFE" FontSize="12"/></StackPanel>
-        <Button Grid.Column="1" Content="Neues Projekt" Click="OnNew"/>
-        <Button Grid.Column="3" Content="Paket öffnen …" Click="OnOpenPackage"/>
-        <Button Grid.Column="5" Content="Exportieren …" Click="OnExport" IsEnabled="{Binding CanExport}"/>
+        <StackPanel Grid.Column="1" HorizontalAlignment="Right">
+          <TextBlock x:Name="DocumentNameText" Foreground="White" FontWeight="SemiBold" HorizontalAlignment="Right"/>
+          <TextBlock x:Name="DocumentPathText" Foreground="#BFDBFE" FontSize="11" HorizontalAlignment="Right"/>
+        </StackPanel>
       </Grid>
     </Border>
-    <Grid Grid.Row="1" ColumnDefinitions="460,*,390">
+    <Grid Grid.Row="2" ColumnDefinitions="460,*,390">
       <ScrollViewer Grid.Column="0" Padding="18">
         <StackPanel Spacing="14">
           <Grid ColumnDefinitions="*,Auto"><TextBlock Text="Meine Ausgangsvorlagen" Classes="section"/>
@@ -47,6 +76,21 @@
             <StackPanel Grid.Column="4"><TextBlock Text="Einheit" Classes="label"/><ComboBox ItemsSource="{Binding Units}" SelectedItem="{Binding Unit}"/></StackPanel>
           </Grid>
 
+          <Grid ColumnDefinitions="*,Auto"><TextBlock Text="Freie Metadaten" Classes="section"/>
+            <Button Grid.Column="1" Content="＋" Click="OnAddMetadata"/></Grid>
+          <DataGrid ItemsSource="{Binding MetadataItems}" SelectedItem="{Binding SelectedMetadata}"
+                    AutoGenerateColumns="False" Height="125" CanUserResizeColumns="True">
+            <DataGrid.Columns>
+              <DataGridTextColumn Header="Name" Binding="{Binding Name}" Width="*"/>
+              <DataGridTextColumn Header="Wert" Binding="{Binding Value}" Width="1.4*"/>
+            </DataGrid.Columns>
+          </DataGrid>
+          <Grid ColumnDefinitions="Auto,*">
+            <Button Content="Markierten Eintrag entfernen" Click="OnRemoveMetadata"/>
+            <TextBlock Grid.Column="1" Margin="10,0,0,0" Text="z. B. language=de-DE · report-type=letter"
+                       FontSize="11" Opacity="0.6" VerticalAlignment="Center" TextWrapping="Wrap"/>
+          </Grid>
+
           <Grid ColumnDefinitions="*,Auto"><TextBlock Text="Platzhalter &amp; Beispieldaten" Classes="section"/>
             <Button Grid.Column="1" Content="＋" Click="OnAddPlaceholder"/></Grid>
           <DataGrid x:Name="PlaceholderGrid" ItemsSource="{Binding Placeholders}" SelectedItem="{Binding SelectedPlaceholder}"

LehrerApp.TemplateDesigner/MainWindow.axaml.cs

@@ -13,15 +13,32 @@ public partial class MainWindow : Window
 {
     private readonly DesignerViewModel _viewModel = new();
     private readonly StarterTemplateLibrary _starterTemplates = new();
+    private string? _currentPackagePath;
+
     public MainWindow()
     {
         InitializeComponent(); DataContext = _viewModel;
         RefreshStarterTemplates();
+        UpdateDocumentTitle();
     }
 
-    private void OnNew(object? sender, RoutedEventArgs e) => _viewModel.Reset();
+    private void OnNew(object? sender, RoutedEventArgs e)
+    {
+        _viewModel.Reset(); _currentPackagePath = null; UpdateDocumentTitle();
+    }
+    private void OnExit(object? sender, RoutedEventArgs e) => Close();
     private void OnAddPlaceholder(object? sender, RoutedEventArgs e) =>
         _viewModel.Placeholders.Add(new($"Feld{_viewModel.Placeholders.Count + 1}", PlaceholderType.Text, false, "Beispiel"));
+    private void OnAddMetadata(object? sender, RoutedEventArgs e)
+    {
+        var item = new DesignerMetadata($"custom-{_viewModel.MetadataItems.Count + 1}", "");
+        _viewModel.MetadataItems.Add(item); _viewModel.SelectedMetadata = item; _viewModel.CanExport = false;
+    }
+    private void OnRemoveMetadata(object? sender, RoutedEventArgs e)
+    {
+        if (_viewModel.SelectedMetadata is not { } selected) return;
+        _viewModel.MetadataItems.Remove(selected); _viewModel.SelectedMetadata = null; _viewModel.CanExport = false;
+    }
     private void OnRemovePlaceholder(object? sender, RoutedEventArgs e)
     {
         if (this.FindControl<DataGrid>("PlaceholderGrid")?.SelectedItem is DesignerPlaceholder selected)
@@ -104,7 +121,7 @@ public partial class MainWindow : Window
         try
         {
             var (template, layout) = _starterTemplates.Load(selected);
-            _viewModel.Load(template, layout); OnPreview(sender, e);
+            _viewModel.Load(template, layout); _currentPackagePath = null; UpdateDocumentTitle(); OnPreview(sender, e);
         }
         catch (Exception ex) { _viewModel.SetStatus($"Öffnen fehlgeschlagen: {ex.Message}", true); }
     }
@@ -117,7 +134,8 @@ public partial class MainWindow : Window
         {
             var (template, layout) = _starterTemplates.Load(selected);
             var projectId = _starterTemplates.CreateUniqueId(template.Manifest.Id + "-neu");
-            _viewModel.LoadAsNewProject(template, layout, projectId); OnPreview(sender, e);
+            _viewModel.LoadAsNewProject(template, layout, projectId);
+            _currentPackagePath = null; UpdateDocumentTitle(); OnPreview(sender, e);
         }
         catch (Exception ex) { _viewModel.SetStatus($"Klonen fehlgeschlagen: {ex.Message}", true); }
     }
@@ -198,25 +216,47 @@ public partial class MainWindow : Window
         {
             var path = files[0].Path.LocalPath; var loaded = new TemplateLoader().LoadFromPackage(path);
             using var archive = ZipFile.OpenRead(path); using var reader = new StreamReader(archive.GetEntry(loaded.Manifest.LayoutFile)!.Open());
-            _viewModel.Load(loaded, reader.ReadToEnd()); OnPreview(sender, e);
+            _viewModel.Load(loaded, reader.ReadToEnd()); _currentPackagePath = Path.GetFullPath(path);
+            UpdateDocumentTitle(); OnPreview(sender, e);
         }
-        catch (Exception ex) { _viewModel.SetStatus($"Import fehlgeschlagen: {ex.Message}", true); }
+        catch (Exception ex) { _viewModel.SetStatus($"Öffnen fehlgeschlagen: {ex.Message}", true); }
     }
 
-    private async void OnExport(object? sender, RoutedEventArgs e)
+    private async void OnSave(object? sender, RoutedEventArgs e)
+    {
+        if (_currentPackagePath is null) { await SaveAsAsync(); return; }
+        SaveTo(_currentPackagePath);
+    }
+
+    private async void OnSaveAs(object? sender, RoutedEventArgs e) => await SaveAsAsync();
+
+    private async Task SaveAsAsync()
     {
         try { _viewModel.BuildLoaded(); }
         catch (Exception ex) { _viewModel.SetStatus(ex.Message, true); return; }
         var file = await StorageProvider.SaveFilePickerAsync(new()
-        { Title = "Vorlagenpaket exportieren", SuggestedFileName = _viewModel.TemplateId + TemplatePackage.Extension,
+        { Title = "Vorlagenpaket speichern unter", SuggestedFileName = _viewModel.TemplateId + TemplatePackage.Extension,
           DefaultExtension = TemplatePackage.Extension[1..], FileTypeChoices = [PackageType()] });
         if (file is null) return;
+        var destination = EnsurePackageExtension(file.Path.LocalPath);
+        if (SaveTo(destination))
+        {
+            _currentPackagePath = Path.GetFullPath(destination);
+            UpdateDocumentTitle();
+        }
+    }
+
+    private bool SaveTo(string path)
+    {
         try
         {
-            TemplatePackage.Create(file.Path.LocalPath, _viewModel.BuildManifest(), _viewModel.LayoutSource, _viewModel.Assets);
-            _viewModel.SetStatus($"Paket exportiert: {file.Name}", false);
+            _viewModel.BuildLoaded();
+            TemplatePackage.Create(path, _viewModel.BuildManifest(), _viewModel.LayoutSource, _viewModel.Assets);
+            _viewModel.CanExport = true;
+            _viewModel.SetStatus($"Gespeichert: {Path.GetFileName(path)}", false);
+            return true;
         }
-        catch (Exception ex) { _viewModel.SetStatus($"Export fehlgeschlagen: {ex.Message}", true); }
+        catch (Exception ex) { _viewModel.SetStatus($"Speichern fehlgeschlagen: {ex.Message}", true); return false; }
     }
 
     private async void OnImportBackground(object? sender, RoutedEventArgs e)
@@ -251,6 +291,17 @@ public partial class MainWindow : Window
 
     private static FilePickerFileType ImageType() => new("PNG/JPEG-Bilder") { Patterns = ["*.png", "*.jpg", "*.jpeg"] };
     private static FilePickerFileType PackageType() => new("LehrerApp-Vorlagen") { Patterns = ["*.lavorlage"] };
+    private static string EnsurePackageExtension(string path) =>
+        string.Equals(Path.GetExtension(path), TemplatePackage.Extension, StringComparison.OrdinalIgnoreCase)
+            ? path : path + TemplatePackage.Extension;
     private void RefreshStarterTemplates(string? selectedId = null) =>
         _viewModel.SetStarterTemplates(_starterTemplates.GetAll(), selectedId);
+
+    private void UpdateDocumentTitle()
+    {
+        var fileName = _currentPackagePath is null ? "Unbenannt" : Path.GetFileName(_currentPackagePath);
+        Title = $"{fileName} – LehrerApp Vorlagen-Designer";
+        DocumentNameText.Text = fileName;
+        DocumentPathText.Text = _currentPackagePath ?? "Noch nicht gespeichert";
+    }
 }

LehrerApp.TemplateDesigner/StarterTemplateLibrary.cs

@@ -108,6 +108,8 @@ public sealed class StarterTemplateLibrary
         Description = source.Description,
         PageSize = new(source.PageSize.Width, source.PageSize.Height, source.PageSize.Unit),
         LayoutFile = source.LayoutFile,
+        MetadataFile = source.MetadataFile,
+        Metadata = new(source.Metadata, StringComparer.OrdinalIgnoreCase),
         Placeholders = source.Placeholders.Select(x => new PlaceholderDefinition(x.Name, x.Type, x.Required)).ToList(),
     };