class IPhotoGallerySettings(model.Schema):
"""Schema for the control panel form."""
enable_download = schema.Bool(
title=_(u'Enable image download globally?'),
description=
_(u'Enable download of original images in photo galleries by using an explicit link. '
u'If ftw.zipexport is installed, enable also downloading of a ZIP file with all the images.'
),
default=False)
def zip_selected(self, objects):
if not HAS_ZIPEXPORT:
return None
response = self.request.response
with ZipGenerator() as generator:
for obj in objects:
repre = getMultiAdapter((obj, self.request),
interface=IZipRepresentation)
for path, pointer in repre.get_files():
generator.add_file(path, pointer)
# check if zip has files
if generator.is_empty:
message = _(
u'Zip export is not supported on the selected content.')
api.portal.show_message(message, self.request, type=u'error')
self.request.response.redirect(self.context.absolute_url())
return
zip_file = generator.generate()
response.setHeader('Content-Disposition',
'inline; filename="{0}"'.format(self.filename))
response.setHeader('Content-type', 'application/zip')
response.setHeader('Content-Length',
os.stat(zip_file.name).st_size)
return filestream_iterator(zip_file.name, 'rb')
def zip_selected(self, objects):
if not HAS_ZIPEXPORT:
return None
response = self.request.response
with ZipGenerator() as generator:
for obj in objects:
repre = getMultiAdapter(
(obj, self.request), interface=IZipRepresentation)
for path, pointer in repre.get_files():
generator.add_file(path, pointer)
# check if zip has files
if generator.is_empty:
message = _(u'Zip export is not supported on the selected content.')
api.portal.show_message(message, self.request, type=u'error')
self.request.response.redirect(self.context.absolute_url())
return
zip_file = generator.generate()
response.setHeader(
'Content-Disposition', 'inline; filename="{0}"'.format(self.filename))
response.setHeader('Content-type', 'application/zip')
response.setHeader('Content-Length', os.stat(zip_file.name).st_size)
return filestream_iterator(zip_file.name, 'rb')
def __call__(self):
if HAS_ZIPEXPORT and self.filename:
return self.zip_selected([self.context])
else:
message = _(u'Operation not supported.')
api.portal.show_message(message, self.request, type=u'error')
self.request.response.redirect(self.context.absolute_url())
return
class IPhotoGallery(model.Schema):
"""A Photo Gallery content type with a slideshow view."""
text = RichText(
title=_(u'Body text'),
required=False,
)
model.fieldset('settings',
label=__(u'Settings'),
fields=['allow_download'])
allow_download = schema.Bool(
title=_(u'Allow image download?'),
description=_(
u'Allow downloading of original images on this photo gallery.'),
default=True,
)
class IPhotoGalleryTile(IPersistentCoverTile):
"""A tile that shows a photo gallery."""
uuid = schema.TextLine(
title=_(u'UUID'),
required=False,
readonly=True,
)
def __call__(self):
if HAS_ZIPEXPORT and self.filename:
return self.zip_selected([self.context])
else:
message = _(u'Operation not supported.')
api.portal.show_message(message, self.request, type=u'error')
self.request.response.redirect(self.context.absolute_url())
return
class IPhotoGallery(model.Schema):
"""A Photo Gallery content type with a slideshow view."""
labels = schema.List(title=_(u"Etiquetes"),
description=_(u"Introduiu les etiquetes a mostrar"),
required=False,
value_type=schema.Choice(
vocabulary=u'plone.app.vocabularies.Keywords'))
text = RichText(
title=_(u'Body text'),
required=False,
)
model.fieldset('settings',
label=__(u'Settings'),
fields=['allow_download'])
allow_download = schema.Bool(
title=_(u'Allow image download?'),
description=_(
u'Allow downloading of original images on this photo gallery.'),
default=True,
)
class PhotoGalleryTile(PersistentCoverTile, PhotoGalleryMixin):
"""A tile that shows a photo gallery."""
implements(IPhotoGalleryTile)
index = ViewPageTemplateFile('photogallery.pt')
is_configurable = True
is_editable = False
is_droppable = True
short_name = _(u'msg_short_name_photogallery', u'Photo Gallery')
def accepted_ct(self):
"""Accept only Photo Gallery objects."""
return ['Photo Gallery']
def populate_with_object(self, obj):
super(PhotoGalleryTile, self).populate_with_object(obj) # check permissions
if obj.portal_type in self.accepted_ct():
uuid = IUUID(obj)
data_mgr = ITileDataManager(self)
data_mgr.set(dict(uuid=uuid))
def is_empty(self):
return (self.data.get('uuid', None) is None or
uuidToObject(self.data.get('uuid')) is None)
@view.memoize
def gallery(self):
return uuidToObject(self.data.get('uuid'))
@view.memoize
def results(self):
gallery = self.gallery()
return gallery.listFolderContents()
def image(self, obj, scale='large'):
"""Return an image scale if the item has an image field.
:param obj: [required]
:type obj: content type object
:param scale: the scale to be used
:type scale: string
"""
scales = obj.restrictedTraverse('@@images')
return scales.scale('image', scale)
class PhotoGallerySettingsEditForm(controlpanel.RegistryEditForm):
"""Control panel edit form."""
schema = IPhotoGallerySettings
label = _(u'Photo Gallery')
description = _(u'Settings for the sc.photogallery package')