old_contents: from cms.plugin_pool import plugin_pool
  from cms.plugin_base import CMSPluginBase
  from django.template import loader
  from django.template.loader import select_template
  from django.utils.translation import ugettext_lazy as _
  from . import models
  from .conf import settings
  from filer.models.imagemodels import Image
  
  
  class FilerFolderPlugin(CMSPluginBase):
      module = 'Filer'
      model = models.FilerFolder
      name = _("Folder")
      TEMPLATE_NAME = 'cmsplugin_filer_folder/plugins/folder/%s.html'
      render_template = TEMPLATE_NAME % 'default'
      text_enabled = False
      admin_preview = False
  
      fieldsets = (
          (None, {'fields': ['title', 'folder']}),
      )
      if settings.CMSPLUGIN_FILER_FOLDER_STYLE_CHOICES:
          fieldsets[0][1]['fields'].append('style')
  
      def get_folder_files(self, folder, user):
          qs_files = folder.files.filter(image__isnull=True)
          if user.is_staff:
              return qs_files
          else:
              return qs_files.filter(is_public=True)
  
      def get_folder_images(self, folder, user):
          qs_files = folder.files.instance_of(Image)
          if user.is_staff:
              return qs_files
          else:
              return qs_files.filter(is_public=True)
  
      def get_children(self, folder):
          return folder.get_children()
  
      def render(self, context, instance, placeholder):
          self.render_template = select_template((
              'cmsplugin_filer_folder/folder.html',  # backwards compatibility. deprecated!
              self.TEMPLATE_NAME % instance.style,
              self.TEMPLATE_NAME % 'default')
          )
  
          folder_files = self.get_folder_files(instance.folder,
                                               context['request'].user)
          folder_images = self.get_folder_images(instance.folder,
                                                 context['request'].user)
          folder_folders = self.get_children(instance.folder)
  
          context.update({
              'object': instance,
              'folder_files': sorted(folder_files),
              'folder_images': sorted(folder_images),
              'folder_folders': folder_folders,
              'placeholder': placeholder
          })
          return context
  
  
  
  plugin_pool.register_plugin(FilerFolderPlugin)
  
new_contents: from cms.plugin_pool import plugin_pool
  from cms.plugin_base import CMSPluginBase
  from django.template import loader
  from django.template.loader import select_template
  from django.utils.translation import ugettext_lazy as _
  from . import models
  from .conf import settings
  from filer.models.imagemodels import Image
  
  
  class FilerFolderPlugin(CMSPluginBase):
      module = 'Filer'
      model = models.FilerFolder
      name = _("Folder")
      TEMPLATE_NAME = 'cmsplugin_filer_folder/plugins/folder/%s.html'
      render_template = TEMPLATE_NAME % 'default'
      text_enabled = False
      admin_preview = False
  
      fieldsets = (
          (None, {'fields': ['title', 'folder']}),
      )
      if settings.CMSPLUGIN_FILER_FOLDER_STYLE_CHOICES:
          fieldsets[0][1]['fields'].append('style')
  
      def get_folder_files(self, folder, user):
          qs_files = folder.files.filter(image__isnull=True)
          if user.is_staff:
              return qs_files
          else:
              return qs_files.filter(is_public=True)
  
      def get_folder_images(self, folder, user):
          qs_files = folder.files.instance_of(Image)
          if user.is_staff:
              return qs_files
          else:
              return qs_files.filter(is_public=True)
  
      def get_children(self, folder):
          return folder.get_children()
  
      def render(self, context, instance, placeholder):
          self.render_template = select_template((
              'cmsplugin_filer_folder/folder.html',  # backwards compatibility. deprecated!
              self.TEMPLATE_NAME % instance.style,
              self.TEMPLATE_NAME % 'default')
          ).template
  
          folder_files = self.get_folder_files(instance.folder,
                                               context['request'].user)
          folder_images = self.get_folder_images(instance.folder,
                                                 context['request'].user)
          folder_folders = self.get_children(instance.folder)
  
          context.update({
              'object': instance,
              'folder_files': sorted(folder_files),
              'folder_images': sorted(folder_images),
              'folder_folders': folder_folders,
              'placeholder': placeholder
          })
          return context
  
  
  
  plugin_pool.register_plugin(FilerFolderPlugin)
  
subject: fix for render_template in django 1.8