Colour preview moved into new browse_tags_helper

[rails.git] / app / helpers / browse_tags_helper.rb

diff --git a/app/helpers/browse_tags_helper.rb b/app/helpers/browse_tags_helper.rb
index 038c5ae5bb7ce08b495a8670b8234a671ff7fa1f..96490d6e198302cbc9060e26d039ecab3224e5bd 100644 (file)
--- a/app/helpers/browse_tags_helper.rb
+++ b/app/helpers/browse_tags_helper.rb
@@ -1,5 +1,3 @@
-require "cgi"
-
 module BrowseTagsHelper
   def format_key(key)
     if url = wiki_link("key", key)
@@ -27,7 +25,8 @@ module BrowseTagsHelper
         link_to(h(p[:phone_number]), p[:url], :title => t("browse.tag_details.telephone_link", :phone_number => p[:phone_number]))
       end
       safe_join(phones, "; ")
-    else
+    elsif colour_value = colour_preview(key, value)
+      content_tag(:span, "", :class => "colour-preview-box", :"data-colour" => colour_value, :title => t("browse.tag_details.colour_preview", :colour_value => colour_value)) + colour_value    else
       linkify h(value)
     end
   end
@@ -122,7 +121,7 @@ module BrowseTagsHelper
     #
     # Also accepting / as a visual separator although not given in RFC 3966,
     # because it is used as a visual separator in OSM data in some countries.
-    if value =~ %r{^\s*\+[\d\s\(\)/\.-]{6,25}\s*(;\s*\+[\d\s\(\)/\.-]{6,25}\s*)*$}
+    if value.match?(%r{^\s*\+[\d\s\(\)/\.-]{6,25}\s*(;\s*\+[\d\s\(\)/\.-]{6,25}\s*)*$})
       return value.split(";").map do |phone_number|
         # for display, remove leading and trailing whitespace
         phone_number = phone_number.strip
@@ -135,4 +134,16 @@ module BrowseTagsHelper
     end
     nil
   end
+
+  def colour_preview(key, value)
+    return nil unless key =~ /^(?>.+:)?colour$/ && !value.nil? # see discussion at https://github.com/openstreetmap/openstreetmap-website/pull/1779
+    # does value look like a colour? ( 3 or 6 digit hex code or w3c colour name)
+    w3c_colors =
+      %w[aliceblue antiquewhite aqua aquamarine azure beige bisque black blanchedalmond blue blueviolet brown burlywood cadetblue chartreuse chocolate coral cornflowerblue cornsilk crimson cyan darkblue darkcyan darkgoldenrod darkgray darkgrey darkgreen darkkhaki darkmagenta darkolivegreen darkorange darkorchid darkred darksalmon darkseagreen darkslateblue darkslategray
+         darkslategrey darkturquoise darkviolet deeppink deepskyblue dimgray dimgrey dodgerblue firebrick floralwhite forestgreen fuchsia gainsboro ghostwhite gold goldenrod gray grey green greenyellow honeydew hotpink indianred indigo ivory khaki lavender lavenderblush lawngreen lemonchiffon lightblue lightcoral lightcyan lightgoldenrodyellow lightgray lightgrey lightgreen
+         lightpink lightsalmon lightseagreen lightskyblue lightslategray lightslategrey lightsteelblue lightyellow lime limegreen linen magenta maroon mediumaquamarine mediumblue mediumorchid mediumpurple mediumseagreen mediumslateblue mediumspringgreen mediumturquoise mediumvioletred midnightblue mintcream mistyrose moccasin navajowhite navy oldlace olive olivedrab orange
+         orangered orchid palegoldenrod palegreen paleturquoise palevioletred papayawhip peachpuff peru pink plum powderblue purple red rosybrown royalblue saddlebrown salmon sandybrown seagreen seashell sienna silver skyblue slateblue slategray slategrey snow springgreen steelblue tan teal thistle tomato turquoise violet wheat white whitesmoke yellow yellowgreen]
+    return nil unless value =~ /^#([0-9a-fA-F]{3}){1,2}$/ || w3c_colors.include?(value.downcase)
+    value
+  end
 end