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class ApplicationMap
include MapLayers
include MapLayers::ViewHelpers
#delegate :url_helpers, :to => :'Rails.application.routes'
include Rails.application.routes.url_helpers
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)
end
def default_class
self.class.name.underscore.gsub(/_map$/, '')
end
def name
self.class.name.underscore.gsub(/_map$/, '')
end
def to_html(options = {})
if not respond_to?(:ready?) or ready?
"<div id=\"#{id}\" class=\"#{default_class}\"></div> #{map.to_html(options)}".html_safe
end
end
def kml
OpenLayers::Format::KML.new :extractStyles => true, :extractAttributes => true, :maxDepth => 2
end
def strategy_fixed
OpenLayers::Strategy::Fixed.new :preload => true
end
def google_physical
OpenLayers::Layer::Google.new("Google Physical",
:type => :"google.maps.MapTypeId.TERRAIN")
end
def google_streets
OpenLayers::Layer::Google.new "Google Streets", :numZoomLevels => 20
end
def google_hybrid
OpenLayers::Layer::Google.new "Google Hybrid", :type => :"google.maps.MapTypeId.HYBRID", :numZoomLevels => 20
end
def google_satellite
OpenLayers::Layer::Google.new "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) {
feature = e.feature ;
popup = new OpenLayers.Popup.AnchoredBubble('chicken',
new OpenLayers.LonLat(feature.geometry.x, feature.geometry.y),
null,
\"<div class='popup_hover'><b>\" + feature.attributes.name +\"</b></div> \", null, false, null);
popup.autoSize = true;
popup.displayClass = 'popup_hover';
feature.popup = popup;
map.addPopup(popup);
}"),
:featureunhighlighted => JsExpr.new("function(e) {
feature = e.feature;
map.removePopup(feature.popup);
feature.popup.destroy();
feature.popup = null;
}")
} } )
end
def kml_layer(url, options = {})
url = polymorphic_path([url.referential, url], :format => :kml) unless String === url
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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