module GeocoderHelper
def result_to_html(result)
- html_options = {}
- #html_options[:title] = strip_tags(result[:description]) if result[:description]
+ html_options = { :class => "set_position", :data => {} }
+
if result[:min_lon] and result[:min_lat] and result[:max_lon] and result[:max_lat]
- html_options[:href] = "?minlon=#{result[:min_lon]}&minlat=#{result[:min_lat]}&maxlon=#{result[:max_lon]}&maxlat=#{result[:max_lat]}"
+ url = "?minlon=#{result[:min_lon]}&minlat=#{result[:min_lat]}&maxlon=#{result[:max_lon]}&maxlat=#{result[:max_lat]}"
else
- html_options[:href] = "?mlat=#{result[:lat]}&mlon=#{result[:lon]}&zoom=#{result[:zoom]}"
+ url = "?mlat=#{result[:lat]}&mlon=#{result[:lon]}&zoom=#{result[:zoom]}"
+ end
+
+ result.each do |key,value|
+ html_options[:data][key.to_s.tr('_', '-')] = value
end
html = ""
html << result[:prefix] if result[:prefix]
html << " " if result[:prefix] and result[:name]
+ html << link_to(result[:name], url, html_options) if result[:name]
+ html << result[:suffix] if result[:suffix]
- if result[:min_lon] and result[:min_lat] and result[:max_lon] and result[:max_lat]
- html << link_to_function(result[:name],"setPosition(#{result[:lat]}, #{result[:lon]}, #{result[:zoom]}, #{result[:min_lon]}, #{result[:min_lat]}, #{result[:max_lon]}, #{result[:max_lat]})", html_options) if result[:name]
- else
- html << link_to_function(result[:name],"setPosition(#{result[:lat]}, #{result[:lon]}, #{result[:zoom]})", html_options) if result[:name]
+ return raw(html)
+ end
+
+ def describe_location(lat, lon, zoom = nil, language = nil)
+ zoom = zoom || 14
+ language = language || request.user_preferred_languages.join(',')
+ url = "http://nominatim.openstreetmap.org/reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{language}"
+
+ begin
+ response = OSM::Timer.timeout(4) do
+ REXML::Document.new(Net::HTTP.get(URI.parse(url)))
+ end
+ rescue Exception
+ response = nil
end
- html << result[:suffix] if result[:suffix]
- return html
+ if response and result = response.get_text("reversegeocode/result")
+ result.to_s
+ else
+ "#{number_with_precision(lat, :precision => 3)}, #{number_with_precision(lon, :precision => 3)}"
+ end
end
end