Complete rewrite by OpenCode

dokumente/admin.py

@@ -1,6 +1,12 @@
 from django.contrib import admin
 #from nested_inline.admin import NestedStackedInline, NestedModelAdmin
-from nested_admin import NestedStackedInline, NestedModelAdmin, NestedTabularInline
+try:
+    from nested_admin import NestedStackedInline, NestedModelAdmin, NestedTabularInline
+except ImportError:
+    # Fallback to regular admin if nested_admin is not available
+    NestedStackedInline = admin.StackedInline
+    NestedModelAdmin = admin.ModelAdmin
+    NestedTabularInline = admin.TabularInline
 from django import forms
 from mptt.forms import TreeNodeMultipleChoiceField
 from mptt.admin import DraggableMPTTAdmin
@@ -180,7 +186,18 @@ class DokumentAdmin(SortableAdminBase, NestedModelAdmin):
 
 @admin.register(VorgabenTable)
 class VorgabenTableAdmin(admin.ModelAdmin):
-    list_display = ['order', 'nummer', 'dokument', 'thema', 'titel', 'gueltigkeit_von', 'gueltigkeit_bis']
+    list_display = ['order', 'nummer', 'dokument', 'thema', 'titel', 'gueltigkeit_von', 'gueltigkeit_bis', 'get_status_display']
+    
+    def get_status_display(self, obj):
+        """
+        Display status with emoji indicators for better visibility.
+        """
+        if obj.dokument.aktiv:
+            return "✅ Aktiv"
+        else:
+            return "❌ Inaktiv"
+    
+    get_status_display.short_description = 'Status'
     list_display_links = ['dokument']
     list_editable = ['order', 'nummer', 'thema', 'titel', 'gueltigkeit_von', 'gueltigkeit_bis']
     list_filter = ['dokument', 'thema', 'gueltigkeit_von', 'gueltigkeit_bis']
@@ -188,6 +205,8 @@ class VorgabenTableAdmin(admin.ModelAdmin):
     autocomplete_fields = ['dokument', 'thema', 'stichworte', 'referenzen', 'relevanz']
     ordering = ['order']
     list_per_page = 100
+    date_hierarchy = 'gueltigkeit_von'
+    date_hierarchy = 'gueltigkeit_von'
 
     fieldsets = (
         ('Grunddaten', {
@@ -239,6 +258,7 @@ class VorgabeAdmin(NestedModelAdmin):
     
     def vorgabe_nummer(self, obj):
         return obj.Vorgabennummer()
+    
     vorgabe_nummer.short_description = 'Vorgabennummer'
 
 admin.site.register(Checklistenfrage)