--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_content/features/menu/portlet/navigation/zmi/simple.py	Fri Jun 15 11:04:55 2018 +0200
@@ -0,0 +1,100 @@
+#
+# Copyright (c) 2008-2018 Thierry Florac <tflorac AT ulthar.net>
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+
+__docformat__ = 'restructuredtext'
+
+
+# import standard library
+
+# import interfaces
+from pyams_content.component.illustration.interfaces import IIllustration
+from pyams_content.component.links.interfaces import IInternalLink
+from pyams_content.features.menu.portlet.navigation.interfaces.simple import ISimpleNavigationPortletSettings, \
+    ISimpleNavigationMenu
+from pyams_form.interfaces.form import IInnerSubForm
+from pyams_pagelet.interfaces import IPagelet
+from pyams_portal.interfaces import IPortletPreviewer
+from pyams_skin.layer import IPyAMSLayer
+from pyams_utils.interfaces import VIEW_SYSTEM_PERMISSION
+from pyams_workflow.interfaces import IWorkflowPublicationInfo
+
+# import packages
+from pyams_content.component.association.interfaces import IAssociationInfo
+from pyams_content.features.menu.zmi import LinksTable, IMenuLinksView, MenuLinksView
+from pyams_form.form import AJAXEditForm
+from pyams_pagelet.pagelet import pagelet_config
+from pyams_portal.portlet import PortletPreviewer
+from pyams_portal.zmi.portlet import PortletSettingsEditor, PortletSettingsPropertiesEditor
+from pyams_template.template import template_config
+from pyams_utils.adapter import adapter_config
+from zope.interface import alsoProvides, Interface
+
+from pyams_content import _
+
+
+@pagelet_config(name='properties.html', context=ISimpleNavigationPortletSettings, layer=IPyAMSLayer,
+                permission=VIEW_SYSTEM_PERMISSION)
+class SimpleNavigationPortletSettingsEditor(PortletSettingsEditor):
+    """Simple navigation portlet settings editor"""
+
+    settings = ISimpleNavigationPortletSettings
+
+
+@adapter_config(name='properties.json', context=(ISimpleNavigationPortletSettings, IPyAMSLayer), provides=IPagelet)
+class SimpleNavigationPortletSettingsAJAXEditor(AJAXEditForm, SimpleNavigationPortletSettingsEditor):
+    """Simple navigation portlet settings editor, JSON renderer"""
+
+
+class SimpleNavigationPortletLinksTable(LinksTable):
+    """Simple navigation portlet links table"""
+
+    associations_name = 'links'
+
+
+@adapter_config(name='simple-navigation-links',
+                context=(ISimpleNavigationPortletSettings, IPyAMSLayer, PortletSettingsPropertiesEditor),
+                provides=IInnerSubForm)
+@adapter_config(name='++ass++links', context=(ISimpleNavigationMenu, IPyAMSLayer), provides=IMenuLinksView)
+class SimpleNavigationPortletLinksView(MenuLinksView):
+    """Simple navigation portlet links view"""
+
+    title = _("Navigation links")
+
+    table_class = SimpleNavigationPortletLinksTable
+    weight = 10
+
+
+@adapter_config(context=(Interface, IPyAMSLayer, Interface, ISimpleNavigationPortletSettings),
+                provides=IPortletPreviewer)
+@template_config(template='templates/simple-preview.pt', layer=IPyAMSLayer)
+class SimpleNavigationPortletPreviewer(PortletPreviewer):
+    """Simple navigation portlet previewer"""
+
+    @classmethod
+    def get_link_info(cls, link):
+        return IAssociationInfo(link)
+
+    @classmethod
+    def get_link_status(cls, link):
+        if not IInternalLink.providedBy(link):
+            return True
+        target = link.get_target()
+        return (target is not None) and IWorkflowPublicationInfo(target).is_published()
+
+    @classmethod
+    def get_link_illustration(cls, link):
+        illustration = IIllustration(link, None)
+        if (illustration is None) or not illustration.has_data():
+            if IInternalLink.providedBy(link):
+                target = link.get_target()
+                illustration = IIllustration(target)
+        return illustration