def convert(self, context):
if hasattr(self, 'should_be_removed') and self.should_be_removed:
return Frag()
title = self.getattr('alt', '')
alignment = self.getattr('alignment', 'default')
if alignment == 'default':
alignment = ''
if self.hasattr('_silva_reference'):
reference_name = str(self.getattr('_silva_reference'))
reference_name, reference = context.get_reference(reference_name)
if reference is not None:
target_id = self.getattr('_silva_target', '0')
try:
target_id = int(str(target_id))
except ValueError:
target_id = 0
else:
reference_name, reference = context.get_reference('new')
target_id = 0
# The target changed, update it
if target_id != reference.target_id:
reference.set_target_id(target_id)
return silva.image(
self.content.convert(context),
reference=reference_name,
alignment=alignment,
title=title)
# This is an old url-based image link
src = getattr(self.attr, 'src', None)
if src is None:
src = 'unknown'
elif hasattr(src, 'content'):
src = src.content
src = urlparse(str(src))[2]
src = IPath(context.request).urlToPath(str(src))
if src.endswith('/image'):
src = src[:-len('/image')]
# turn path into relative if possible, traverse to the object to
# fix an IE problem that adds the current location in front of paths
# in an attempt to make them absolute, which leads to nasty paths
# such as '/silva/index/edit/index/edit/foo.jpg'
try:
obj = context.model.unrestrictedTraverse(src.split('/'))
# bail out if obj is not a Silva Image, otherwise the old
# href value would be lost
if not IImage.providedBy(obj):
raise NotFound(src)
except (KeyError, NotFound):
pass
else:
modelpath = context.model.aq_parent.getPhysicalPath()
src = '/'.join(Path(modelpath, obj.getPhysicalPath()))
return silva.image(
self.content.convert(context),
path=src,
alignment=alignment,
title=title)
