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Contents
module Scrivito
# This module contains a helper that can be used to render attributes of the CMS models.
# @api public
module DisplayHelper
# For a consistent look of your site and easy maintenance, only the display helpers
# should be used to render an attribute <em>value</em> of a CMS model.
#
# <%= display_value @obj.title %>
# Renders the value, taking its type into account.
# * An HtmlString will be exported by converting its links
# * A Time will be exported in an international form: Year-Month-Day Hour:Minutes
# * A non-HTML String will be quoted
# * other values will be rendered unchanged
#
# @api public
def display_value(value)
case value
when HtmlString then convert_links(value).html_safe
when String then h(value)
when Time then h(l(value))
else value
end
end
def display_original_value(value)
case value
when HtmlString then convert_links(value, :dont_resolve_blobs => true).html_safe
else display_value(value)
end
end
# Renders a field from the CMS.
#
# <%= display_field @obj, :title %>
#
# @api public
def display_field(obj, attr, options = {})
display_value obj[attr]
end
# Legacy method - deprecated
#
# Use display_value and display_field instead
def display(*args)
if args.last.kind_of? Hash
options = args.pop
else
options = {}
end
return display_value(args.first) if args.size == 1
display_field(args[0], args[1], options)
end
private
def convert_links(html, cms_path_options = {})
if html
html.gsub(%r{<?\bobjid:([a-f0-9]{16})\b>?}) do
if obj = Obj.find_by_id($1)
cms_path(obj, cms_path_options)
else
"#__target_object_not_reachable"
end
end
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems