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class RouteSectionMap < ApplicationMap
attr_reader :route_section
attr_accessor :editable
alias_method :editable?, :editable
def initialize(route_section, editable = false)
@route_section = route_section
@editable = editable
end
def customize_map(map, page)
# layers order seems to matter for ModifyFeature control
route_section.stop_areas.each do |stop_area|
layer = "stop_area_#{stop_area.id}".to_sym
page.assign layer.to_s, kml_layer(stop_area, :styleMap => Design::StopAreasStyleMap.new(helpers).style_map)
page << map.add_layer(layer)
page << map.add_control( hover_control_display_name(layer) )
end
geometry_options = {}.tap do |options|
options[:mode] = :editable if editable?
end
geometry_uneditable_kml_layer = kml_layer(route_section, :styleMap => Design::RouteSectionSelectorStyleMap.new(helpers).style_map)
page << map.add_layer(geometry_uneditable_kml_layer)
if route_section.input_geometry
geometry_editable_layer = kml_layer(route_section, geometry_options, {}) # , :styleMap => Design::LineStyleMap.new(style: nil).style_map)
else
points = route_section.stop_areas.map{|point| OpenLayers::Geometry::Point.new(point.longitude, point.latitude).transform("EPSG:4326", "EPSG:900913")}
geometry_editable_layer = OpenLayers::Layer::Vector.new("user_geometry", {:projection => projection("EPSG:4326"), :styleMap => Design::RouteSectionStyleMap.new(helpers).style_map})
geometry_editable_features = OpenLayers::Feature::Vector.new(OpenLayers::Geometry::LineString.new(points))
page.assign :geometry_editable_features, geometry_editable_features
end
if editable
page.assign :user_geometry, geometry_editable_layer
page << "user_geometry.addFeatures([geometry_editable_features])" if geometry_editable_features
page << map.add_layer(:user_geometry)
page.assign :modify_feature, OpenLayers::Control::ModifyFeature.new(:user_geometry, autoActivate: true)
page << map.add_control( :modify_feature )
else
page << map.add_layer(geometry_editable_layer)
end
page << map.zoom_to_extent(bounds.to_google.to_openlayers) if bounds
end
def bounds
@bounds ||=
if route_section.geometry.present?
route_section.geometry.bounds
elsif route_section.stop_areas.present?
GeoRuby::SimpleFeatures::Point.bounds route_section.stop_areas.collect(&:geometry)
end
end
def ready?
bounds.present?
end
end
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