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module Scrivito
class ImageTagHelper < Struct.new(:view_context)
def self.display_title(target)
if target.respond_to?(:display_title)
target.display_title
elsif target.respond_to?(:first) && target.first.respond_to?(:display_title)
target.first.display_title
elsif target.respond_to?(:filename)
target.filename
end
end
def options(obj, field_name, tag_options, editing_options)
tag_options.reverse_merge(src: scrivito_image_tag_src(obj, field_name, editing_options),
alt: scrivito_image_tag_alt(obj, field_name))
end
private
def scrivito_image_tag_src(obj, field_name, editing_options)
scrivito_image_tag_path(obj, field_name) || editing_options[:placeholder] ||
view_context.image_path('scrivito/image_placeholder.png')
end
def scrivito_image_tag_alt(obj, field_name)
self.class.display_title(obj[field_name])
end
def scrivito_image_tag_path(obj, field_name)
field_type = obj.type_of_attribute(field_name)
field_value = obj[field_name]
case field_type
when 'link', 'binary', 'reference'
field_value && view_context.scrivito_path(field_value)
when 'linklist'
path = view_context.scrivito_path(field_value)
path == CmsRouting::LINK_TO_EMPTY_LINKLIST ? nil : path
end
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems