app/helpers/browse_helper.rb

   1 module BrowseHelper
   2   def element_single_current_link(type, object, url)
   3     link_to url, { :class => element_class(type, object), :title => element_title(object), :rel => (link_follow(object) if type == "node") } do
   4       element_strikethrough object do
   5         printable_element_name object
   6       end
   7     end
   8   end
   9
  10   def element_list_item(type, object, &block)
  11     tag.li :class => element_class(type, object), :title => element_title(object) do
  12       element_strikethrough object, &block
  13     end
  14   end
  15
  16   def printable_element_name(object)
  17     id = if object.id.is_a?(Array)
  18            object.id[0]
  19          else
  20            object.id
  21          end
  22     name = id.to_s
  23
  24     # don't look at object tags if redacted, so as to avoid giving
  25     # away redacted version tag information.
  26     unless object.redacted?
  27       available_locales = Locale.list(name_locales(object))
  28
  29       locale = available_locales.preferred(preferred_languages, :default => nil)
  30
  31       if object.tags.include? "name:#{locale}"
  32         name = t "printable_name.with_name_html", :name => tag.bdi(object.tags["name:#{locale}"].to_s), :id => tag.bdi(name)
  33       elsif object.tags.include? "name"
  34         name = t "printable_name.with_name_html", :name => tag.bdi(object.tags["name"].to_s), :id => tag.bdi(name)
  35       elsif object.tags.include? "ref"
  36         name = t "printable_name.with_name_html", :name => tag.bdi(object.tags["ref"].to_s), :id => tag.bdi(name)
  37       end
  38     end
  39
  40     name
  41   end
  42
  43   def printable_element_version(object)
  44     t "printable_name.version", :version => object.version
  45   end
  46
  47   def element_strikethrough(object, &block)
  48     if object.redacted? || !object.visible?
  49       tag.s(&block)
  50     else
  51       yield
  52     end
  53   end
  54
  55   def element_class(type, object)
  56     classes = [type]
  57     classes += icon_tags(object).flatten.map { |t| h(t) } unless object.redacted?
  58     classes.join(" ")
  59   end
  60
  61   def element_title(object)
  62     if object.redacted?
  63       ""
  64     else
  65       h(icon_tags(object).map { |k, v| "#{k}=#{v}" }.to_sentence)
  66     end
  67   end
  68
  69   def link_follow(object)
  70     "nofollow" if object.tags.empty?
  71   end
  72
  73   def type_and_paginated_count(type, pages)
  74     if pages.page_count == 1
  75       t "browse.changeset.#{type}",
  76         :count => pages.item_count
  77     else
  78       t "browse.changeset.#{type}_paginated",
  79         :x => pages.current_page.first_item,
  80         :y => pages.current_page.last_item,
  81         :count => pages.item_count
  82     end
  83   end
  84
  85   private
  86
  87   ICON_TAGS = %w[aeroway amenity barrier building highway historic landuse leisure man_made natural railway shop tourism waterway].freeze
  88
  89   def icon_tags(object)
  90     object.tags.find_all { |k, _v| ICON_TAGS.include? k }.sort
  91   end
  92
  93   def name_locales(object)
  94     object.tags.keys.map { |k| Regexp.last_match(1) if k =~ /^name:(.*)$/ }.flatten
  95   end
  96 end