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class ApplicationMap
include MapLayers
include MapLayers::ViewHelpers
attr_accessor :helpers
cattr_accessor :ign_api_key
def helpers
@helpers ||= Helpers.new
end
# For example, in a controller :
#
# @map = MyMap.new(...).with_helpers(self)
#
def with_helpers(helpers)
self.helpers = helpers
self
end
def geoportail_key
if ( Rails.application.secrets.respond_to? :geoportail_api_key)
return Rails.application.secrets.geoportail_api_key
end
return nil
end
class Helpers
include ActionDispatch::Routing::UrlFor
include Rails.application.routes.url_helpers
end
def projection(name)
OpenLayers::Projection.new(name)
end
def controls
[ OpenLayers::Control::LayerSwitcher.new(:ascending => true),
OpenLayers::Control::ScaleLine.new,
OpenLayers::Control::Navigation.new,
OpenLayers::Control::PanZoomBar.new,
OpenLayers::Control::Attribution.new]
end
def id
"map"
end
def map
@map ||= MapLayers::Map.new(id, :projection => projection("EPSG:900913"), :controls => controls) do |map, page|
if self.geoportail_key
page << map.add_layer(geoportail_ortho_wmts)
page << map.add_layer(geoportail_scans_wmts)
page << map.add_layer(geoportail_cadastre_wmts)
end
page << map.add_layer(MapLayers::OSM_MAPNIK)
#page << map.add_layers([geoportail_scans, geoportail_ortho])
page << map.add_layer(google_physical)
page << map.add_layer(google_streets)
page << map.add_layer(google_hybrid)
page << map.add_layer(google_satellite)
customize_map(map,page) if respond_to?( :customize_map)
end
end
def name
self.class.name.underscore.gsub(/_map$/, '')
end
alias_method :default_class, :name
def to_html(options = {})
if not respond_to?(:ready?) or ready?
expand = options[:no_fullscreen] ? '' : "<button type=\"button\" data-ce-id=\"#{id}\" data-ce-action=\"map-fullscreen\" class=\"ce-MapExpandBlock\"><i class=\"fa fa-expand\"></i></button>"
"<div id=\"#{id}\" class=\"#{default_class}\">#{expand}</div>#{map.to_html(options)}".html_safe
end
end
def kml
OpenLayers::Format::KML.new :extractStyles => true, :extractAttributes => true, :maxDepth => 2
end
def geoportail_cadastre_wmts
OpenLayers::Layer::WMTS.new( geoportail_options.update(:name => I18n.t("maps.ign_cadastre"),
:format => "image/png",
:layer => "CADASTRALPARCELS.PARCELS"))
end
def geoportail_ortho_wmts
OpenLayers::Layer::WMTS.new( geoportail_options.update(:name => I18n.t("maps.ign_ortho"),
:layer => "ORTHOIMAGERY.ORTHOPHOTOS"))
end
def geoportail_scans_wmts
OpenLayers::Layer::WMTS.new( geoportail_options.update(:name => I18n.t("maps.ign_map"),
:layer => "GEOGRAPHICALGRIDSYSTEMS.MAPS"))
end
def geoportail_options
{ :url => "http://gpp3-wxs.ign.fr/#{self.geoportail_key}/wmts",
:matrixSet => "PM",
:style => "normal",
:numZoomLevels => 19,
:group => "IGN",
:attribution => 'Map base: ©IGN <a href="http://www.geoportail.fr/" target="_blank"><img src="http://api.ign.fr/geoportail/api/js/2.0.0beta/theme/geoportal/img/logo_gp.gif"></a> <a href="http://www.geoportail.gouv.fr/depot/api/cgu/licAPI_CGUF.pdf" alt="TOS" title="TOS" target="_blank">Terms of Service</a>'}
end
def strategy_fixed
OpenLayers::Strategy::Fixed.new :preload => true
end
def google_physical
OpenLayers::Layer::Google.new(I18n.t("maps.google_physical"),
:type => :"google.maps.MapTypeId.TERRAIN")
end
def google_streets
OpenLayers::Layer::Google.new I18n.t("maps.google_streets"), :numZoomLevels => 20
end
def google_hybrid
OpenLayers::Layer::Google.new I18n.t("maps.google_hybrid"), :type => :"google.maps.MapTypeId.HYBRID", :numZoomLevels => 20
end
def google_satellite
OpenLayers::Layer::Google.new I18n.t("maps.google_satellite"), :type => :"google.maps.MapTypeId.SATELLITE", :numZoomLevels => 22
end
def hover_control_display_name(layer)
OpenLayers::Control::SelectFeature.new( layer, {
:autoActivate => true,
:hover => true,
:renderIntent => "temporary",
:eventListeners => {
:featurehighlighted => JsExpr.new("function(e) {
var feature = e.feature ;
if (feature.attributes.inactive != undefined)
return;
var stop_area_type_label = '';
if (feature.attributes.stop_area_type_label != undefined)
stop_area_type_label = feature.attributes.stop_area_type_label;
var popup = new OpenLayers.Popup.Anchored('chicken',
new OpenLayers.LonLat(feature.geometry.x, feature.geometry.y),
null,
\"<div class='popup_hover'><p><b>\" + feature.attributes.name +\"</b></p>\" + stop_area_type_label + \"</div> \", null, false, null);
popup.autoSize = true;
popup.displayClass = 'popup_hover';
feature.popup = popup;
map.addPopup(popup);
}"),
:featureunhighlighted => JsExpr.new("function(e) {
var feature = e.feature;
if (feature.attributes.inactive != undefined)
return;
map.removePopup(feature.popup);
feature.popup.destroy();
feature.popup = null;
}")
} } )
end
def kml_layer(url_or_object, options_or_url_options = {}, options = nil)
unless options
url_options = {}
options = options_or_url_options
else
url_options = options_or_url_options
end
url_options = url_options.merge(:format => :kml)
url =
case url_or_object
when String
url_or_object
when Array
helpers.polymorphic_path_patch( helpers.polymorphic_path(url_or_object, url_options))
else
helpers.polymorphic_path_patch( helpers.polymorphic_path([url_or_object.referential, url_or_object], url_options))
end
protocol = OpenLayers::Protocol::HTTP.new :url => url, :format => kml
OpenLayers::Layer::Vector.new name, {:projection => projection("EPSG:4326"), :strategies => [strategy_fixed], :protocol => protocol, :displayInLayerSwitcher => false}.merge(options)
end
end
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