Link to wikipedia articles on wikipedia=* tags

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

diff --git a/app/helpers/browse_helper.rb b/app/helpers/browse_helper.rb
index 67420151c48efa016f844028b7bfc9d0997af330..07dd866ba831f4ef10e4708a72184990a2ba880d 100644 (file)
--- a/app/helpers/browse_helper.rb
+++ b/app/helpers/browse_helper.rb
@@ -4,13 +4,77 @@ module BrowseHelper
   end
   
   def printable_name(object, version=false)
-    name = object.id.to_s
+    name = t 'printable_name.with_id', :id => object.id.to_s
     if version
-      name = "#{name}, v#{object.version.to_s}"
+      name = t 'printable_name.with_version', :id => name, :version => object.version.to_s
     end
-    if object.tags.include? 'name'
-      name = "#{object.tags['name'].to_s} (#{name})"
+    if object.tags.include? "name:#{I18n.locale}"
+      name = t 'printable_name.with_name',  :name => object.tags["name:#{I18n.locale}"].to_s, :id => name
+    elsif object.tags.include? 'name'
+      name = t 'printable_name.with_name',  :name => object.tags['name'].to_s, :id => name
     end
     return name
   end
+
+  def format_key(key)
+    if url = wiki_link("key", key)
+      link_to h(key), url, :title => t('browse.tag_details.wiki_link.key', :key => key)
+    else
+      h(key)
+    end
+  end
+
+  def format_value(key, value)
+    if wp = wikipedia_link(key, value)
+      link_to h(wp['title']), wp['url'], :title => t('browse.tag_details.wiki_link.wikipedia', :page => wp['title'])
+    elsif url = wiki_link("tag", "#{key}=#{value}")
+      link_to h(value), url, :title => t('browse.tag_details.wiki_link.tag', :key => key, :value => value)
+    else
+      linkify h(value)
+    end
+  end
+
+private
+
+  def wiki_link(type, lookup)
+    locale = I18n.locale.to_s
+
+    if page = WIKI_PAGES[locale][type][lookup] rescue nil
+      url = "http://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}"
+    elsif page = WIKI_PAGES["en"][type][lookup] rescue nil
+      url = "http://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}"
+    end
+
+    return url
+  end
+
+  def wikipedia_link(key, value)
+    # English Wikipedia by default
+    lang = 'en'
+
+    if key == 'wikipedia' or key =~ /^wikipedia:(\S+)$/
+      mylang = $1
+
+      # Some k/v's are wikipedia=http://en.wikipedia.org/wiki/Full%20URL
+      return nil if value =~ /^http:\/\//
+
+      if mylang
+        lang = mylang
+      # This regex should match Wikipedia language codes, everything
+      # from de to zh-classical
+      elsif value =~ /^([a-z-]{2,12}):(.+)$/
+        lang  = $1
+        # Don't display e.g. "en:Foobar" as the title, just "Foobar"
+        value = $2
+      end
+
+      locale = I18n.locale.to_s
+      return {
+        'url' => "http://#{lang}.wikipedia.org/wiki/#{value}?uselang=#{locale}",
+        'title' => value
+      }
+    else
+      return nil
+    end
+  end
 end