diff -r 48c1ee485dc0 -r 9b93fdd5ba30 src/pyams_content/shared/site/zmi/link.py
--- a/src/pyams_content/shared/site/zmi/link.py	Fri Nov 13 13:11:29 2020 +0100
+++ b/src/pyams_content/shared/site/zmi/link.py	Fri Nov 13 13:13:48 2020 +0100
@@ -10,18 +10,21 @@
 # FOR A PARTICULAR PURPOSE.
 #
 
+from pyams_content import _
+
 __docformat__ = 'restructuredtext'
 
 from uuid import uuid4
 
 from z3c.form import field
 from z3c.form.browser.checkbox import SingleCheckBoxFieldWidget
-from zope.interface import Interface, implementer
+from zope.interface import implementer
 from zope.intid.interfaces import IIntIds
 from zope.schema import Int
 
 from pyams_content.interfaces import CREATE_CONTENT_PERMISSION, MANAGE_CONTENT_PERMISSION
-from pyams_content.shared.site.interfaces import IContentLink, IExternalContentLink, ISiteContainer
+from pyams_content.shared.site.interfaces import IContentLink, IExternalContentLink, \
+    ISiteContainer
 from pyams_content.shared.site.link import ContentLink, ExternalContentLink
 from pyams_content.shared.site.zmi.container import SiteContainerTreeTable
 from pyams_content.shared.site.zmi.widget import SiteManagerFoldersSelectorFieldWidget
@@ -45,11 +48,10 @@
 from pyams_zmi.interfaces import IPropertiesEditForm
 from pyams_zmi.layer import IAdminLayer
 
-from pyams_content import _
 
-
-@viewlet_config(name='add-link.divider', context=ISiteContainer, layer=IAdminLayer, view=Interface,
-                manager=IToolbarAddingMenu, permission=CREATE_CONTENT_PERMISSION, weight=49)
+@viewlet_config(name='add-link.divider', context=ISiteContainer, layer=IAdminLayer,
+                view=ISiteTreeTable, manager=IToolbarAddingMenu,
+                permission=CREATE_CONTENT_PERMISSION, weight=49)
 class AddLinkMenuDivider(MenuDivider):
     """Add links menu divider"""
 
@@ -58,8 +60,9 @@
 # Content link views
 #
 
-@viewlet_config(name='add-content-link.menu', context=ISiteContainer, layer=IAdminLayer, view=Interface,
-                manager=IToolbarAddingMenu, permission=CREATE_CONTENT_PERMISSION, weight=50)
+@viewlet_config(name='add-content-link.menu', context=ISiteContainer, layer=IAdminLayer,
+                view=ISiteTreeTable, manager=IToolbarAddingMenu,
+                permission=CREATE_CONTENT_PERMISSION, weight=50)
 class ContentLinkAddMenu(ToolbarMenuItem):
     """Content link add menu"""
 
@@ -79,14 +82,16 @@
 
 @pagelet_config(name='add-content-link.html', context=ISiteContainer, layer=IPyAMSLayer,
                 permission=CREATE_CONTENT_PERMISSION)
-@ajax_config(name='add-content-link.json', context=ISiteContainer, layer=IPyAMSLayer, base=AJAXAddForm)
+@ajax_config(name='add-content-link.json', context=ISiteContainer, layer=IPyAMSLayer,
+             base=AJAXAddForm)
 class ContentLinkAddForm(AdminDialogAddForm):
     """Content link add form"""
 
     legend = _("Rent existing content")
 
-    fields = field.Fields(IContentLinkAddFormFields).select('reference', 'navigation_title', 'show_header',
-                                                            'navigation_header', 'parent')
+    fields = field.Fields(IContentLinkAddFormFields).select('reference', 'navigation_title',
+                                                            'show_header', 'navigation_header',
+                                                            'parent')
     fields['show_header'].widgetFactory = SingleCheckBoxFieldWidget
     fields['parent'].widgetFactory = SiteManagerFoldersSelectorFieldWidget
 
@@ -166,7 +171,8 @@
 
     legend = _("Edit content link properties")
 
-    fields = field.Fields(IContentLink).select('reference', 'navigation_title', 'show_header', 'navigation_header')
+    fields = field.Fields(IContentLink).select('reference', 'navigation_title',
+                                               'show_header', 'navigation_header')
     fields['show_header'].widgetFactory = SingleCheckBoxFieldWidget
     edit_permission = MANAGE_CONTENT_PERMISSION
 
@@ -199,7 +205,8 @@
                 'event': 'myams.refresh',
                 'options': {
                     'handler': 'MyAMS.skin.refreshRow',
-                    'object_id': '{0}::{1}'.format(SiteContainerTreeTable.id, intids.queryId(self.context)),
+                    'object_id': '{0}::{1}'.format(SiteContainerTreeTable.id,
+                                                   intids.queryId(self.context)),
                     'row': table.renderRow(row)
                 }
             })
@@ -210,8 +217,9 @@
 # External content link views
 #
 
-@viewlet_config(name='add-external-link.menu', context=ISiteContainer, layer=IAdminLayer, view=Interface,
-                manager=IToolbarAddingMenu, permission=CREATE_CONTENT_PERMISSION, weight=60)
+@viewlet_config(name='add-external-link.menu', context=ISiteContainer, layer=IAdminLayer,
+                view=ISiteTreeTable, manager=IToolbarAddingMenu,
+                permission=CREATE_CONTENT_PERMISSION, weight=60)
 class ExternalContentLinkAddMenu(ToolbarMenuItem):
     """External content link add menu"""
 
@@ -231,13 +239,15 @@
 
 @pagelet_config(name='add-external-link.html', context=ISiteContainer, layer=IPyAMSLayer,
                 permission=CREATE_CONTENT_PERMISSION)
-@ajax_config(name='add-external-link.json', context=ISiteContainer, layer=IPyAMSLayer, base=AJAXAddForm)
+@ajax_config(name='add-external-link.json', context=ISiteContainer, layer=IPyAMSLayer,
+             base=AJAXAddForm)
 class ExternalContentLinkAddForm(AdminDialogAddForm):
     """External content link add form"""
 
     legend = _("Link external content")
 
-    fields = field.Fields(IExternalContentLinkAddFormFields).select('url', 'navigation_title', 'show_header',
+    fields = field.Fields(IExternalContentLinkAddFormFields).select('url', 'navigation_title',
+                                                                    'show_header',
                                                                     'navigation_header', 'parent')
     fields['parent'].widgetFactory = SiteManagerFoldersSelectorFieldWidget
 
@@ -277,7 +287,8 @@
         return {'status': 'reload'}
 
 
-@adapter_config(context=(IExternalContentLink, IPyAMSLayer, ISiteTreeTable), provides=ITableElementName)
+@adapter_config(context=(IExternalContentLink, IPyAMSLayer, ISiteTreeTable),
+                provides=ITableElementName)
 class ExternalContentLinkTableElementName(ContextRequestViewAdapter):
     """External content link table element name"""
 
@@ -302,7 +313,8 @@
     legend = _("Edit external content link properties")
     dialog_class = 'modal-large'
 
-    fields = field.Fields(IExternalContentLink).select('url', 'navigation_title', 'navigation_header')
+    fields = field.Fields(IExternalContentLink).select('url', 'navigation_title',
+                                                       'navigation_header')
     edit_permission = MANAGE_CONTENT_PERMISSION
 
     def updateWidgets(self, prefix=None):
@@ -321,7 +333,8 @@
                 'event': 'myams.refresh',
                 'options': {
                     'handler': 'MyAMS.skin.refreshRow',
-                    'object_id': '{0}::{1}'.format(SiteContainerTreeTable.id, intids.queryId(self.context)),
+                    'object_id': '{0}::{1}'.format(SiteContainerTreeTable.id,
+                                                   intids.queryId(self.context)),
                     'row': table.renderRow(row)
                 }
             })