module BrowseHelper
+ def link_to_page(page, page_param)
+ return link_to(page, page_param => page)
+ end
+
+ def printable_name(object, version=false)
+ if object.id.is_a?(Array)
+ id = object.id[0]
+ else
+ id = object.id
+ end
+ name = t 'printable_name.with_id', :id => id.to_s
+ if version
+ name = t 'printable_name.with_version', :id => name, :version => object.version.to_s
+ end
+ 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 link_class(type, object)
+ return type + " " + h(icon_tags(object).join(' ')) + (object.visible == false ? ' deleted' : '')
+ end
+
+ def link_title(object)
+ return h(icon_tags(object).map { |k,v| k + '=' + v }.to_sentence)
+ 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.wikipedia_link', :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
+
+ ICON_TAGS = [
+ "aeroway", "amenity", "barrier", "building", "highway", "historic", "landuse",
+ "leisure", "man_made", "natural", "railway", "shop", "tourism", "waterway"
+ ]
+
+ def icon_tags(object)
+ object.tags.find_all { |k,v| ICON_TAGS.include? k }
+ end
+
+ def wiki_link(type, lookup)
+ locale = I18n.locale.to_s
+
+ # update-wiki-pages does s/ /_/g on keys before saving them, we
+ # have to replace spaces with underscore so we'll link
+ # e.g. `source=Isle of Man Government aerial imagery (2001)' to
+ # the correct page.
+ lookup_us = lookup.tr(" ", "_")
+
+ if page = WIKI_PAGES[locale][type][lookup_us] rescue nil
+ url = "http://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}"
+ elsif page = WIKI_PAGES["en"][type][lookup_us] rescue nil
+ url = "http://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}"
+ end
+
+ return url
+ end
+
+ def wikipedia_link(key, value)
+ # Some k/v's are wikipedia=http://en.wikipedia.org/wiki/Full%20URL
+ return nil if value =~ /^http:\/\//
+
+ if key == "wikipedia"
+ # This regex should match Wikipedia language codes, everything
+ # from de to zh-classical
+ if value =~ /^([a-z-]{2,12}):(.+)$/
+ # Value is <lang>:<title> so split it up
+ lang = $1
+ value = $2
+ else
+ # Value is <title> so default to English Wikipedia
+ lang = 'en'
+ end
+ elsif key =~ /^wikipedia:(\S+)$/
+ # Language is in the key, so assume value is a simple title
+ lang = $1
+ else
+ # Not a wikipedia key!
+ return nil
+ end
+
+ return {
+ :url => "http://#{lang}.wikipedia.org/wiki/#{value}?uselang=#{I18n.locale}",
+ :title => value
+ }
+ end
end