diff -r 000000000000 -r 7c0001cacf8e src/pyams_content/component/gallery/__init__.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_content/component/gallery/__init__.py	Thu Oct 08 13:37:29 2015 +0200
@@ -0,0 +1,183 @@
+#
+# 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 IGalleryFileInfo, GALLERY_FILE_INFO_KEY, IGallery, IGalleryFile
+from pyams_content.shared.common.interfaces import IWfSharedContent
+from pyams_file.interfaces import IMediaFile
+from pyams_form.interfaces.form import IFormContextPermissionChecker
+from pyams_i18n.interfaces import II18n
+from zope.annotation.interfaces import IAnnotations
+from zope.lifecycleevent.interfaces import IObjectAddedEvent, IObjectModifiedEvent, IObjectRemovedEvent
+from zope.traversing.interfaces import ITraversable
+
+# import packages
+from persistent import Persistent
+from pyams_file.property import FileProperty
+from pyams_utils.adapter import adapter_config, ContextAdapter
+from pyams_utils.container import BTreeOrderedContainer
+from pyams_utils.traversing import get_parent
+from pyramid.events import subscriber
+from pyramid.threadlocal import get_current_registry
+from zope.lifecycleevent import ObjectCreatedEvent, ObjectModifiedEvent
+from zope.container.contained import Contained
+from zope.interface import implementer
+from zope.location import locate
+from zope.schema.fieldproperty import FieldProperty
+
+
+#
+# Gallery file
+#
+
+@implementer(IGalleryFileInfo)
+class GalleryFileInfo(Persistent, Contained):
+    """Gallery file info"""
+
+    title = FieldProperty(IGalleryFileInfo['title'])
+    description = FieldProperty(IGalleryFileInfo['description'])
+    author = FieldProperty(IGalleryFileInfo['author'])
+    author_comments = FieldProperty(IGalleryFileInfo['author_comments'])
+    sound = FileProperty(IGalleryFileInfo['sound'])
+    sound_title = FieldProperty(IGalleryFileInfo['sound_title'])
+    sound_description = FieldProperty(IGalleryFileInfo['sound_description'])
+    pif_number = FieldProperty(IGalleryFileInfo['pif_number'])
+    visible = FieldProperty(IGalleryFileInfo['visible'])
+
+    def get_title(self, request=None):
+        return II18n(self).query_attribute('title', request=request)
+
+
+@adapter_config(context=IGalleryFile, provides=IGalleryFileInfo)
+def media_gallery_info_factory(file):
+    """Gallery file gallery info factory"""
+    annotations = IAnnotations(file)
+    info = annotations.get(GALLERY_FILE_INFO_KEY)
+    if info is None:
+        info = annotations[GALLERY_FILE_INFO_KEY] = GalleryFileInfo()
+        get_current_registry().notify(ObjectCreatedEvent(info))
+        locate(info, file, '++gallery-info++')
+    return info
+
+
+@adapter_config(name='gallery-info', context=IGalleryFile, provides=ITraversable)
+class MediaGalleryInfoTraverser(ContextAdapter):
+    """Gallery file gallery info adapter"""
+
+    def traverse(self, name, furtherpath=None):
+        return IGalleryFileInfo(self.context)
+
+
+@adapter_config(context=IGalleryFile, provides=IFormContextPermissionChecker)
+class GalleryFilePermissionChecker(ContextAdapter):
+    """Gallery file permission checker"""
+
+    @property
+    def edit_permission(self):
+        content = get_parent(self.context, IWfSharedContent)
+        return IFormContextPermissionChecker(content).edit_permission
+
+
+@adapter_config(context=IGalleryFileInfo, provides=IFormContextPermissionChecker)
+class GalleryFileInfoPermissionChecker(ContextAdapter):
+    """Gallery file info permission checker"""
+
+    @property
+    def edit_permission(self):
+        content = get_parent(self.context, IWfSharedContent)
+        return IFormContextPermissionChecker(content).edit_permission
+
+
+@subscriber(IObjectAddedEvent, context_selector=IMediaFile)
+def handle_added_media(event):
+    """Handle added media file"""
+    content = get_parent(event.object, IWfSharedContent)
+    if content is not None:
+        get_current_registry().notify(ObjectModifiedEvent(content))
+
+
+@subscriber(IObjectModifiedEvent, context_selector=IMediaFile)
+def handle_modified_media(event):
+    """Handle modified media file"""
+    content = get_parent(event.object, IWfSharedContent)
+    if content is not None:
+        get_current_registry().notify(ObjectModifiedEvent(content))
+
+
+@subscriber(IObjectRemovedEvent, context_selector=IMediaFile)
+def handle_removed_media(event):
+    """Handle removed media file"""
+    content = get_parent(event.object, IWfSharedContent)
+    if content is not None:
+        get_current_registry().notify(ObjectModifiedEvent(content))
+
+
+#
+# Gallery
+#
+
+@implementer(IGallery)
+class Gallery(BTreeOrderedContainer):
+    """Gallery persistent class"""
+
+    title = FieldProperty(IGallery['title'])
+    description = FieldProperty(IGallery['description'])
+    visible = FieldProperty(IGallery['visible'])
+
+    last_id = 1
+
+    def __setitem__(self, key, value):
+        key = str(self.last_id)
+        super(Gallery, self).__setitem__(key, value)
+        self.last_id += 1
+
+    def get_visible_images(self):
+        return [image for image in self.values() if image.visible]
+
+
+@adapter_config(context=IGallery, provides=IFormContextPermissionChecker)
+class GalleryPermissionChecker(ContextAdapter):
+    """Gallery permission checker"""
+
+    @property
+    def edit_permission(self):
+        content = get_parent(self.context, IWfSharedContent)
+        return IFormContextPermissionChecker(content).edit_permission
+
+
+@subscriber(IObjectAddedEvent, context_selector=IGallery)
+def handle_added_gallery(event):
+    """Handle added gallery"""
+    content = get_parent(event.object, IWfSharedContent)
+    if content is not None:
+        get_current_registry().notify(ObjectModifiedEvent(content))
+
+
+@subscriber(IObjectModifiedEvent, context_selector=IGallery)
+def handle_modified_gallery(event):
+    """Handle modified gallery"""
+    content = get_parent(event.object, IWfSharedContent)
+    if content is not None:
+        get_current_registry().notify(ObjectModifiedEvent(content))
+
+
+@subscriber(IObjectRemovedEvent, context_selector=IGallery)
+def handle_removed_gallery(event):
+    """Handle removed gallery"""
+    content = get_parent(event.object, IWfSharedContent)
+    if content is not None:
+        get_current_registry().notify(ObjectModifiedEvent(content))