old_contents: from django.contrib import admin
  
  from mptt.admin import MPTTModelAdmin
  import reversion
  
  from .models import Page, Carousel, CarouselImage, Attachment, Nav, NavItem, \
      Redirect
  
  
  class OrderedAdmin(admin.ModelAdmin):
      list_editable = ['order']
      list_display = ['order']
  
      class Media:
          js = (
              'js/jquery.min.js',
              'js/jquery-ui.min.js',
              'admin/js/list-reorder.js',
              'admin/js/inline-reorder.js',
          )
  
  
  class SiteEntityAdmin(reversion.VersionAdmin, OrderedAdmin):
      list_editable = ['order', 'status']
      list_display = ['title', 'status', 'order']
      list_filter = ['status']
      search_fields = ['title']
  
  
  class DisplayableAdmin(SiteEntityAdmin):
      list_display = ['title', 'slug', 'status', 'order']
      prepopulated_fields = {"slug": ("title",)}
  
  
  class PageAdmin(MPTTModelAdmin, DisplayableAdmin):
      list_display = ['title', 'url', 'status', 'order']
      exclude = ['url']
  
  admin.site.register(Page, PageAdmin)
  
  
  class AttachmentAdmin(SiteEntityAdmin):
      pass
  
  admin.site.register(Attachment, AttachmentAdmin)
  
  
  class NavItemAdmin(MPTTModelAdmin, OrderedAdmin):
      list_display = ['title', 'url', 'type', 'order']
  
  admin.site.register(NavItem, NavItemAdmin)
  
  
  class CarouselImageInline(admin.TabularInline):
      model = CarouselImage
  
  
  class CarouselAdmin(admin.ModelAdmin):
      inlines = [
          CarouselImageInline
      ]
  
  
  admin.site.register(Carousel, CarouselAdmin)
  
  
  class RedirectAdmin(OrderedAdmin):
      list_display = ['old_url', 'new_url', 'order']
  
  admin.site.register(Redirect, RedirectAdmin)
  
new_contents: from django.contrib import admin
  
  from mptt.admin import MPTTModelAdmin
  import reversion
  
  from .models import Page, Carousel, CarouselImage, Attachment, Nav, NavItem, \
      Redirect
  
  
  class OrderedAdmin(admin.ModelAdmin):
      list_editable = ['order']
      list_display = ['order']
  
      class Media:
          js = (
              'js/jquery.min.js',
              'js/jquery-ui.min.js',
              'admin/js/list-reorder.js',
              'admin/js/inline-reorder.js',
          )
  
  
  class SiteEntityAdmin(reversion.VersionAdmin, OrderedAdmin):
      list_editable = ['order', 'status']
      list_display = ['title', 'status', 'order']
      list_filter = ['status']
      search_fields = ['title']
  
  
  class DisplayableAdmin(SiteEntityAdmin):
      list_display = ['title', 'slug', 'status', 'order']
      prepopulated_fields = {"slug": ("title",)}
  
  
  class PageAdmin(MPTTModelAdmin, DisplayableAdmin):
      list_display = ['title', 'url', 'status', 'order']
      exclude = ['url']
  
  admin.site.register(Page, PageAdmin)
  
  
  class AttachmentAdmin(SiteEntityAdmin):
      pass
  
  admin.site.register(Attachment, AttachmentAdmin)
  
  
  class NavItemAdmin(MPTTModelAdmin, OrderedAdmin):
      list_display = ['title', 'url', 'type', 'order']
      mptt_indent_field = "title"
  
  admin.site.register(NavItem, NavItemAdmin)
  
  
  class CarouselImageInline(admin.TabularInline):
      model = CarouselImage
  
  
  class CarouselAdmin(admin.ModelAdmin):
      inlines = [
          CarouselImageInline
      ]
  
  
  admin.site.register(Carousel, CarouselAdmin)
  
  
  class RedirectAdmin(OrderedAdmin):
      list_display = ['old_url', 'new_url', 'order']
  
  admin.site.register(Redirect, RedirectAdmin)
  
subject: fix indentation on navitems