--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_content/component/paragraph/zmi/preview.py	Fri Oct 13 08:34:54 2017 +0200
@@ -0,0 +1,50 @@
+#
+# Copyright (c) 2008-2015 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.paragraph.interfaces import IParagraphContainerTarget, IParagraphContainer, \
+    IParagraphSummary
+from pyams_content.shared.common.interfaces.zmi import IPreviewForm
+from pyams_form.interfaces.form import IWidgetsSuffixViewletsManager
+from pyams_i18n.interfaces import II18nManager
+from pyams_skin.layer import IPyAMSLayer
+
+# import packages
+from pyams_template.template import template_config
+from pyams_utils.interfaces import VIEW_SYSTEM_PERMISSION
+from pyams_viewlet.viewlet import viewlet_config, Viewlet
+
+
+@viewlet_config(name='paragraphs-preview', context=IParagraphContainerTarget, layer=IPyAMSLayer,
+                view=IPreviewForm, manager=IWidgetsSuffixViewletsManager,
+                permission=VIEW_SYSTEM_PERMISSION, weight=100)
+@template_config(template='templates/preview.pt', layer=IPyAMSLayer)
+class ParagraphsContainerPreview(Viewlet):
+    """Paragraphs container preview"""
+
+    def __init__(self, context, request, view, manager):
+        super(ParagraphsContainerPreview, self).__init__(context, request, view, manager)
+        self.paragraphs = [para for para in IParagraphContainer(self.context).values()
+                           if para.visible]
+        self.languages = II18nManager(self.context).get_languages()
+
+    def render_paragraph(self, paragraph, language=None):
+        renderer = self.request.registry.queryMultiAdapter((paragraph, self.request), IParagraphSummary)
+        if renderer is not None:
+            renderer.language = language
+            renderer.update()
+            return renderer.render()