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Contents
module Scrivito
class ImageTag < Struct.new(:view_context)
def options(obj_or_widget, attribute_name, tag_options, editing_options)
tag_options.reverse_merge(
src: src(obj_or_widget, attribute_name, editing_options),
alt: alt(obj_or_widget, attribute_name)
)
end
private
def src(obj_or_widget, attribute_name, editing_options)
path(obj_or_widget, attribute_name, editing_options) ||
editing_options[:placeholder] ||
view_context.image_path('scrivito/image_placeholder.gif')
end
def alt(obj_or_widget, attribute_name)
case target = obj_or_widget[attribute_name]
when Binary then obj_or_widget.try(:alt_description)
when Enumerable then target.first.try(:alt_description)
else target.try(:alt_description)
end
end
def path(obj_or_widget, attribute_name, editing_options)
attribute_value = obj_or_widget[attribute_name]
return if attribute_value.blank?
image_options = editing_options.slice(:transform)
if attribute_value.is_a?(Binary)
if obj_or_widget.is_a?(Widget)
raise ScrivitoError, 'scrivito_image_tag does not accept widgets with binary attributes'
end
BinaryRouting.new(request, scrivito_engine)
.binary_obj_url(obj_or_widget, attribute_value, image_options)
else
path = CmsRouting.new(request, view_context, scrivito_engine, image_options)
.path_or_url(attribute_value, :path)
path unless path == CmsRouting::LINK_TO_EMPTY_BLOB
end
end
delegate :request, :scrivito_engine, to: :view_context
end
end
Version data entries
54 entries across 54 versions & 1 rubygems