Restore previous map state on popstate

[rails.git] / app / controllers / geocoder_controller.rb

diff --git a/app/controllers/geocoder_controller.rb b/app/controllers/geocoder_controller.rb
index b4c8e05b16267628fa1e984cf066b833be74ee00..592ff020abd2e9e4852de984aea25bb4f29cd18d 100644 (file)
--- a/app/controllers/geocoder_controller.rb
+++ b/app/controllers/geocoder_controller.rb
@@ -7,59 +7,29 @@ class GeocoderController < ApplicationController
 
   before_filter :authorize_web
   before_filter :set_locale
 
   before_filter :authorize_web
   before_filter :set_locale

-  before_filter :convert_latlon, :only => [:search]

 
   def search
 
   def search

-    @query = params[:query]
-    @sources = Array.new
+    normalize_params

 
 

-    @query.sub(/^\s+/, "")
-    @query.sub(/\s+$/, "")
-
-    if @query.match(/^[+-]?\d+(\.\d*)?\s*[\s,]\s*[+-]?\d+(\.\d*)?$/)
-      @sources.push "latlon"
-    elsif @query.match(/^\d{5}(-\d{4})?$/)
+    @sources = []
+    if params[:lat] && params[:lon]
+      @sources.push "osm_nominatim_reverse"
+      @sources.push "geonames_reverse"
+    elsif params[:query].match(/^\d{5}(-\d{4})?$/)

       @sources.push "us_postcode"
       @sources.push "osm_nominatim"
       @sources.push "us_postcode"
       @sources.push "osm_nominatim"

-    elsif @query.match(/^(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HK-Y][0-9]|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y]))|[0-9][A-HJKS-UW])\s*[0-9][ABD-HJLNP-UW-Z]{2})$/i)
+    elsif params[:query].match(/^(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HK-Y][0-9]|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y]))|[0-9][A-HJKS-UW])\s*[0-9][ABD-HJLNP-UW-Z]{2})$/i)

       @sources.push "uk_postcode"
       @sources.push "osm_nominatim"
       @sources.push "uk_postcode"
       @sources.push "osm_nominatim"

-    elsif @query.match(/^[A-Z]\d[A-Z]\s*\d[A-Z]\d$/i)
+    elsif params[:query].match(/^[A-Z]\d[A-Z]\s*\d[A-Z]\d$/i)

       @sources.push "ca_postcode"
       @sources.push "osm_nominatim"
     else
       @sources.push "osm_nominatim"
       @sources.push "geonames" if defined?(GEONAMES_USERNAME)
     end
       @sources.push "ca_postcode"
       @sources.push "osm_nominatim"
     else
       @sources.push "osm_nominatim"
       @sources.push "geonames" if defined?(GEONAMES_USERNAME)
     end

-  end
-
-  def search_latlon
-    # get query parameters
-    query = params[:query]
-
-    # create result array
-    @results = Array.new
-
-    # decode the location
-    if m = query.match(/^\s*([+-]?\d+(\.\d*)?)\s*[\s,]\s*([+-]?\d+(\.\d*)?)\s*$/)
-      lat = m[1].to_f
-      lon = m[3].to_f
-    end
-
-    # generate results
-    if lat < -90 or lat > 90
-      @error = "Latitude #{lat} out of range"
-      render :action => "error"
-    elsif lon < -180 or lon > 180
-      @error = "Longitude #{lon} out of range"
-      render :action => "error"
-    else
-      @results.push({:lat => lat, :lon => lon,
-                     :zoom => POSTCODE_ZOOM,
-                     :name => "#{lat}, #{lon}"})

 
 

-      render :action => "results"
-    end
+    render :layout => map_layout

   end
 
   def search_us_postcode
   end
 
   def search_us_postcode


@@ -154,7 +124,7 @@ class GeocoderController < ApplicationController
     end
 
     # ask nominatim
     end
 
     # ask nominatim

-    response = fetch_xml("#{NOMINATIM_URL}search?format=xml&q=#{escape_query(query)}#{viewbox}#{exclude}&accept-language=#{request.user_preferred_languages.join(',')}")
+    response = fetch_xml("#{NOMINATIM_URL}search?format=xml&q=#{escape_query(query)}#{viewbox}#{exclude}&accept-language=#{http_accept_language.user_preferred_languages.join(',')}")

 
     # create result array
     @results = Array.new
 
     # create result array
     @results = Array.new


@@ -174,9 +144,13 @@ class GeocoderController < ApplicationController
       name = place.attributes["display_name"].to_s
       min_lat,max_lat,min_lon,max_lon = place.attributes["boundingbox"].to_s.split(",")
       prefix_name = t "geocoder.search_osm_nominatim.prefix.#{klass}.#{type}", :default => type.gsub("_", " ").capitalize
       name = place.attributes["display_name"].to_s
       min_lat,max_lat,min_lon,max_lon = place.attributes["boundingbox"].to_s.split(",")
       prefix_name = t "geocoder.search_osm_nominatim.prefix.#{klass}.#{type}", :default => type.gsub("_", " ").capitalize

+      if klass == 'boundary' and type == 'administrative'
+        rank = (place.attributes["place_rank"].to_i + 1) / 2
+        prefix_name = t "geocoder.search_osm_nominatim.admin_levels.level#{rank}", :default => prefix_name
+      end

       prefix = t "geocoder.search_osm_nominatim.prefix_format", :name => prefix_name
       prefix = t "geocoder.search_osm_nominatim.prefix_format", :name => prefix_name

-      object_type = place.attributes["osm_type"].to_s
-      object_id = place.attributes["osm_id"].to_s
+      object_type = place.attributes["osm_type"]
+      object_id = place.attributes["osm_id"]

 
       @results.push({:lat => lat, :lon => lon,
                      :min_lat => min_lat, :max_lat => max_lat,
 
       @results.push({:lat => lat, :lon => lon,
                      :min_lat => min_lat, :max_lat => max_lat,


@@ -220,14 +194,7 @@ class GeocoderController < ApplicationController
     render :action => "error"
   end
 
     render :action => "error"
   end
 

-  def description
-    @sources = Array.new
-
-    @sources.push({ :name => "osm_nominatim" })
-    @sources.push({ :name => "geonames" })
-  end
-
-  def description_osm_nominatim
+  def search_osm_nominatim_reverse

     # get query parameters
     lat = params[:lat]
     lon = params[:lon]
     # get query parameters
     lat = params[:lat]
     lon = params[:lon]


@@ -237,13 +204,20 @@ class GeocoderController < ApplicationController
     @results = Array.new
 
     # ask nominatim
     @results = Array.new
 
     # ask nominatim

-    response = fetch_xml("#{NOMINATIM_URL}reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{request.user_preferred_languages.join(',')}")
+    response = fetch_xml("#{NOMINATIM_URL}reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{http_accept_language.user_preferred_languages.join(',')}")

 
     # parse the response
     response.elements.each("reversegeocode/result") do |result|
 
     # parse the response
     response.elements.each("reversegeocode/result") do |result|

+      lat = result.attributes["lat"].to_s
+      lon = result.attributes["lon"].to_s
+      object_type = result.attributes["osm_type"]
+      object_id = result.attributes["osm_id"]

       description = result.get_text.to_s
 
       description = result.get_text.to_s
 

-      @results.push({:prefix => "#{description}"})
+      @results.push({:lat => lat, :lon => lon,
+                     :zoom => zoom,
+                     :name => description,
+                     :type => object_type, :id => object_id})

     end
 
     render :action => "results"
     end
 
     render :action => "results"


@@ -252,7 +226,7 @@ class GeocoderController < ApplicationController
     render :action => "error"
   end
 
     render :action => "error"
   end
 

-  def description_geonames
+  def search_geonames_reverse

     # get query parameters
     lat = params[:lat]
     lon = params[:lon]
     # get query parameters
     lat = params[:lat]
     lon = params[:lon]


@@ -267,7 +241,10 @@ class GeocoderController < ApplicationController
     response.elements.each("geonames/countrySubdivision") do |geoname|
       name = geoname.get_text("adminName1").to_s
       country = geoname.get_text("countryName").to_s
     response.elements.each("geonames/countrySubdivision") do |geoname|
       name = geoname.get_text("adminName1").to_s
       country = geoname.get_text("countryName").to_s

-      @results.push({:prefix => "#{name}, #{country}"})
+      @results.push({:lat => lat, :lon => lon,
+                     :zoom => GEONAMES_ZOOM,
+                     :name => name,
+                     :suffix => ", #{country}"})

     end
 
     render :action => "results"
     end
 
     render :action => "results"


@@ -319,38 +296,42 @@ private
     return URI.escape(query, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]", false, 'N'))
   end
 
     return URI.escape(query, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]", false, 'N'))
   end
 

-  def convert_latlon
-    @query = params[:query]
+  def normalize_params
+    query = params[:query]
+    return unless query

 
 

-    if latlon = @query.match(/^([NS])\s*(\d{1,3}(\.\d*)?)\W*([EW])\s*(\d{1,3}(\.\d*)?)$/).try(:captures) # [NSEW] decimal degrees
-      params[:query] = nsew_to_decdeg(latlon)
-    elsif latlon = @query.match(/^(\d{1,3}(\.\d*)?)\s*([NS])\W*(\d{1,3}(\.\d*)?)\s*([EW])$/).try(:captures) # decimal degrees [NSEW]
-      params[:query] = nsew_to_decdeg(latlon)
+    query.strip!

 
 

-    elsif latlon = @query.match(/^([NS])\s*(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?\W*([EW])\s*(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?$/).try(:captures) # [NSEW] degrees, decimal minutes
-      params[:query] = ddm_to_decdeg(latlon)
-    elsif latlon = @query.match(/^(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?\s*([NS])\W*(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?\s*([EW])$/).try(:captures) # degrees, decimal minutes [NSEW]
-      params[:query] = ddm_to_decdeg(latlon)
+    if latlon = query.match(/^([NS])\s*(\d{1,3}(\.\d*)?)\W*([EW])\s*(\d{1,3}(\.\d*)?)$/).try(:captures) # [NSEW] decimal degrees
+      params.merge!(nsew_to_decdeg(latlon)).delete(:query)
+    elsif latlon = query.match(/^(\d{1,3}(\.\d*)?)\s*([NS])\W*(\d{1,3}(\.\d*)?)\s*([EW])$/).try(:captures) # decimal degrees [NSEW]
+      params.merge!(nsew_to_decdeg(latlon)).delete(:query)

 
 

-    elsif latlon = @query.match(/^([NS])\s*(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]?\W*([EW])\s*(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]?$/).try(:captures) # [NSEW] degrees, minutes, decimal seconds
-      params[:query] = dms_to_decdeg(latlon)
-    elsif latlon = @query.match(/^(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]\s*([NS])\W*(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]?\s*([EW])$/).try(:captures) # degrees, minutes, decimal seconds [NSEW]
-      params[:query] = dms_to_decdeg(latlon)
-    else
-      return
+    elsif latlon = query.match(/^([NS])\s*(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?\W*([EW])\s*(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?$/).try(:captures) # [NSEW] degrees, decimal minutes
+      params.merge!(ddm_to_decdeg(latlon)).delete(:query)
+    elsif latlon = query.match(/^(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?\s*([NS])\W*(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?\s*([EW])$/).try(:captures) # degrees, decimal minutes [NSEW]
+      params.merge!(ddm_to_decdeg(latlon)).delete(:query)
+
+    elsif latlon = query.match(/^([NS])\s*(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]?\W*([EW])\s*(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]?$/).try(:captures) # [NSEW] degrees, minutes, decimal seconds
+      params.merge!(dms_to_decdeg(latlon)).delete(:query)
+    elsif latlon = query.match(/^(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]\s*([NS])\W*(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]?\s*([EW])$/).try(:captures) # degrees, minutes, decimal seconds [NSEW]
+      params.merge!(dms_to_decdeg(latlon)).delete(:query)
+
+    elsif latlon = query.match(/^\s*([+-]?\d+(\.\d*)?)\s*[\s,]\s*([+-]?\d+(\.\d*)?)\s*$/)
+      params.merge!({:lat => latlon[1].to_f, :lon => latlon[3].to_f}).delete(:query)

     end
   end
 
   def nsew_to_decdeg(captures)
     begin
       Float(captures[0])
     end
   end
 
   def nsew_to_decdeg(captures)
     begin
       Float(captures[0])

-      captures[1].downcase != 's' ? lat = captures[0].to_f : lat = -(captures[0].to_f)
-      captures[4].downcase != 'w' ? lon = captures[3].to_f : lon = -(captures[3].to_f)
+      captures[2].downcase != 's' ? lat = captures[0].to_f : lat = -(captures[0].to_f)
+      captures[5].downcase != 'w' ? lon = captures[3].to_f : lon = -(captures[3].to_f)

     rescue
       captures[0].downcase != 's' ? lat = captures[1].to_f : lat = -(captures[1].to_f)
       captures[3].downcase != 'w' ? lon = captures[4].to_f : lon = -(captures[4].to_f)
     end
     rescue
       captures[0].downcase != 's' ? lat = captures[1].to_f : lat = -(captures[1].to_f)
       captures[3].downcase != 'w' ? lon = captures[4].to_f : lon = -(captures[4].to_f)
     end

-    return "#{lat}, #{lon}"
+    {:lat => lat, :lon => lon}

   end
 
   def ddm_to_decdeg(captures)
   end
 
   def ddm_to_decdeg(captures)


@@ -362,7 +343,7 @@ private
       captures[0].downcase != 's' ? lat = captures[1].to_f + captures[2].to_f/60 : lat = -(captures[1].to_f + captures[2].to_f/60)
       captures[4].downcase != 'w' ? lon = captures[5].to_f + captures[6].to_f/60 : lon = -(captures[5].to_f + captures[6].to_f/60)
     end
       captures[0].downcase != 's' ? lat = captures[1].to_f + captures[2].to_f/60 : lat = -(captures[1].to_f + captures[2].to_f/60)
       captures[4].downcase != 'w' ? lon = captures[5].to_f + captures[6].to_f/60 : lon = -(captures[5].to_f + captures[6].to_f/60)
     end

-    return "#{lat}, #{lon}"
+    {:lat => lat, :lon => lon}

   end
 
   def dms_to_decdeg(captures)
   end
 
   def dms_to_decdeg(captures)


@@ -374,7 +355,7 @@ private
       captures[0].downcase != 's' ? lat = captures[1].to_f + (captures[2].to_f + captures[3].to_f/60)/60 : lat = -(captures[1].to_f + (captures[2].to_f + captures[3].to_f/60)/60)
       captures[5].downcase != 'w' ? lon = captures[6].to_f + (captures[7].to_f + captures[8].to_f/60)/60 : lon = -(captures[6].to_f + (captures[7].to_f + captures[8].to_f/60)/60)
     end
       captures[0].downcase != 's' ? lat = captures[1].to_f + (captures[2].to_f + captures[3].to_f/60)/60 : lat = -(captures[1].to_f + (captures[2].to_f + captures[3].to_f/60)/60)
       captures[5].downcase != 'w' ? lon = captures[6].to_f + (captures[7].to_f + captures[8].to_f/60)/60 : lon = -(captures[6].to_f + (captures[7].to_f + captures[8].to_f/60)/60)
     end

-    return "#{lat}, #{lon}"
+    {:lat => lat, :lon => lon}

   end
 
 end
   end
 
 end