diff -r 000000000000 -r 5af41c7a366f src/pyams_content_es/component/gallery.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_content_es/component/gallery.py	Thu Apr 21 18:24:52 2016 +0200
@@ -0,0 +1,70 @@
+#
+# 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.gallery.interfaces import IGalleryContainerTarget, IGalleryContainer, IGallery, \
+    IGalleryFileInfo
+from pyams_content_es.interfaces import IDocumentIndexInfo
+
+# import packages
+from pyams_utils.adapter import adapter_config
+
+
+@adapter_config(context=IGallery, provides=IDocumentIndexInfo)
+def GalleryIndexInfo(gallery):
+    """Gallery index info"""
+    info = {}
+    for lang, title in gallery.title.items():
+        if title:
+            info.setdefault(lang, title)
+    for lang, description in gallery.description.items():
+        if description:
+            new_info = '{old}\n{info}'.format(old=info.get(lang, ''),
+                                              info=description)
+            info[lang] = new_info
+    for image in gallery.values():
+        image_info = IGalleryFileInfo(image, None)
+        if image_info is not None:
+            for lang, title in (image_info.title or {}).items():
+                if title:
+                    new_info = '{old}\n{info}'.format(old=info.get(lang, ''),
+                                                      info=title)
+                    info[lang] = new_info
+            for lang, description in (image_info.description or {}).items():
+                if description:
+                    new_info = '{old}\n{info}'.format(old=info.get(lang, ''),
+                                                      info=description)
+                    info[lang] = new_info
+            for lang, comments in (image_info.author_comments or {}).items():
+                if comments:
+                    new_info = '{old}\n{info}'.format(old=info.get(lang, ''),
+                                                      info=comments)
+                    info[lang] = new_info
+    return info
+
+
+@adapter_config(name='gallery', context=IGalleryContainerTarget, provides=IDocumentIndexInfo)
+def GalleryContainerTargetIndexInfo(content):
+    """Gallery container index info"""
+    body = {}
+    for gallery in IGalleryContainer(content).values():
+        info = IDocumentIndexInfo(gallery, None)
+        if info is not None:
+            for lang, info_body in info.items():
+                body[lang] = '{old}\n{body}'.format(old=body.get(lang, ''),
+                                                    body=info_body)
+    return {'gallery': body}