class StopAreaMap < ApplicationMap

  attr_reader :stop_area

  attr_accessor :editable
  alias_method :editable?, :editable

  def initialize(stop_area)
    @stop_area = stop_area
  end

  def customize_map(map, page)
      page.assign "edit_stop_area_layer", kml_layer(stop_area, { :default => editable? }, :style_map => Design::EditStopAreaStyleMap.new(helpers).style_map)
      page << map.add_layer(:edit_stop_area_layer)

      if stop_area.children.present?
        page.assign "children_layer", kml_layer(stop_area, { :children => true }, :style_map => Design::StopAreasStyleMap.new(helpers).style_map)
        page << map.add_layer(:children_layer)
      end
      if stop_area.routing_stops.present?
        page.assign "routing_layer", kml_layer(stop_area, { :routing => true }, :style_map => Design::StopAreasStyleMap.new(helpers).style_map)
        page << map.add_layer(:routing_layer)
        page << map.add_control( hover_control_display_name(:routing_layer) )
        page << map.zoom_to_extent(bounds.to_google.to_openlayers) if bounds
      else
      
        page.assign "edit_stop_area_layer", kml_layer(stop_area, { :default => editable? }, :style_map => Design::EditStopAreaStyleMap.new(helpers).style_map)
        page << map.add_layer(:edit_stop_area_layer)
      
        if editable?
          page.assign "referential_projection", projection_type.present? ? projection("EPSG:" + projection_type) : JsVar.new("undefined")  
          # TODO virer ce code inline       
          page << <<EOF
          edit_stop_area_layer.events.on({ 
                          'afterfeaturemodified': function(event) { 
                            geometry = event.feature.geometry.clone().transform(new OpenLayers.Projection("EPSG:900913"), new OpenLayers.Projection("EPSG:4326"));
                            $('#stop_area_longitude').val(geometry.x);
                            $('#stop_area_latitude').val(geometry.y);

                            if(referential_projection != undefined)
                            {
                              projection_geometry = event.feature.geometry.clone().transform(new OpenLayers.Projection("EPSG:900913"), referential_projection );
                              $('#stop_area_projection_x').val(projection_geometry.x);
                              $('#stop_area_projection_y').val(projection_geometry.y);                                                   }
                           }
                        });
EOF
          page << map.add_control(OpenLayers::Control::ModifyFeature.new(:edit_stop_area_layer, :mode => 8, :autoActivate => true))
        elsif stop_area.children.present?
          page << map.add_control( hover_control_display_name(:children_layer) )

        end

      page << map.set_center(center.to_google.to_openlayers, 16, false, true)
      end
  end
  
  def projection_type
    stop_area.referential.projection_type
  end

  def ready?
    center.present?
  end

  def center
    stop_area.geometry or stop_area.default_position
  end

  def bounds
    # for ITL only
    @bounds ||= GeoRuby::SimpleFeatures::Point.bounds(stop_area.routing_stops.collect(&:geometry).compact)
  end

end