Class: Gmaps4rails::ViewHelper

Inherits:
Object
  • Object
show all
Defined in:
lib/gmaps4rails/view_helper.rb

Constant Summary collapse

OPENLAYERS = 
"http://www.openlayers.org/api/OpenLayers.js"
MAPQUEST = 
"http://www.mapquestapi.com/sdk/js/v7.0.s/mqa.toolkit.js"
BING = 
"http://ecn.dev.virtualearth.net/mapcontrol/mapcontrol.ashx?v=7.0"
GOOGLE = 
"//maps.google.com/maps/api/js?v=3.8"
GOOGLE_EXT = 
"//google-maps-utility-library-v3.googlecode.com/svn/"

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ ViewHelper

options is the hash passed to the ‘gmaps’ helper looks like: {

:map_options => hash,
:markers     => { :data => json, :options => hash },
:polylines   => { :data => json, :options => hash },
:polygons    => { :data => json, :options => hash },
:circles     => { :data => json, :options => hash },
:direction   => { :data => hash, :options => hash },
:kml         => { :data => json, :options => hash }

} should be with only symbol keys or with indifferent access



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# File 'lib/gmaps4rails/view_helper.rb', line 23

def initialize(options = {})
  @options  = options
  @js_array = Array.new
end

Instance Method Details

#dom_attributes ⇒ Object

outputs an object containing the basic information to fill the map’s dom attributes



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# File 'lib/gmaps4rails/view_helper.rb', line 39

def dom_attributes
  ::OpenStruct.new({
    :map_id          => map_id,
    :map_class       => map_class,
    :container_class => container_class,
    :provider        => map_provider
  })
end

#get_gem_scripts ⇒ Object

gem’s script aren’t taken into account when asset pipeline is enabled: I assume they’ll be within



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# File 'lib/gmaps4rails/view_helper.rb', line 50

def get_gem_scripts
  unless gmaps4rails_pipeline_enabled?
    @js_array << '/javascripts/gmaps4rails/gmaps4rails.base.js' unless scripts == :api
    @js_array << case map_provider
                 when "openlayers" then '/javascripts/gmaps4rails/gmaps4rails.openlayers.js'
                 when "mapquest"   then '/javascripts/gmaps4rails/gmaps4rails.mapquest.js'
                 when "bing"       then '/javascripts/gmaps4rails/gmaps4rails.bing.js'
                 else                   '/javascripts/gmaps4rails/gmaps4rails.googlemaps.js'
                 end
  end
end

#get_vendor_scripts ⇒ Object

vendor_scripts are the js libraries from the map providers



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# File 'lib/gmaps4rails/view_helper.rb', line 63

def get_vendor_scripts
  case map_provider
  when "openlayers"  then @js_array << OPENLAYERS
  when "mapquest"    then @js_array << "#{MAPQUEST}?key=#{provider_key}"
  when "bing"        then @js_array << BING
  else #case googlemaps which is the default
    @js_array << "#{GOOGLE}&sensor=false&client=#{client}&key=#{provider_key}&libraries=geometry#{google_libraries}&#{google_map_i18n}"
    @js_array << "#{GOOGLE_EXT}tags/infobox/1.1.9/src/infobox_packed.js"                      if custom_infowindow_class
    @js_array << "#{GOOGLE_EXT}tags/markerclustererplus/2.0.14/src/markerclusterer_packed.js" if do_clustering
    @js_array << "#{GOOGLE_EXT}trunk/richmarker/src/richmarker-compiled.js"                   if rich_marker
  end
end

#js_dependencies_array ⇒ Object

outputs an array containing the path to all required js files this list is deduced from the options passed



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# File 'lib/gmaps4rails/view_helper.rb', line 30

def js_dependencies_array
  if scripts != :none
    get_vendor_scripts
    get_gem_scripts
  end
  @js_array
end