1 files changed, 63 insertions, 0 deletions
diff --git a/lib/ninoxe_extension/projection_fields.rb b/lib/ninoxe_extension/projection_fields.rb
new file mode 100644
index 000000000..25d30df94
--- /dev/null
+++ b/lib/ninoxe_extension/projection_fields.rb
@@ -0,0 +1,63 @@
+  
+  module NinoxeExtension::ProjectionFields 
+    extend ActiveSupport::Concern
+
+    included do
+      #attr_accessible :projection_x,:projection_y,:projection_xy
+  
+      # add projection_type set on pre-insert and pre_update action
+    before_save :set_projections
+    def set_projections
+      if ! self.coordinates.blank?
+        self.long_lat_type = 'WGS84'
+      else
+        self.long_lat_type = nil
+      end
+    end
+
+    def projection
+      if self.referential.projection_type.nil? || self.referential.projection_type.empty?
+        nil
+      else
+        self.referential.projection_type
+      end
+    end
+    @point = nil
+
+    def projection_x
+      if self.long_lat_type.nil? || self.projection.nil?
+        nil
+      else
+        @point ||= GeoRuby::SimpleFeatures::Point::from_lat_lng(Geokit::LatLng.new(self.latitude,self.longitude)).project_to(self.projection.to_i)
+        @point.x
+      end
+    end
+    def projection_y
+      if self.long_lat_type.nil? || self.projection.nil?
+        nil
+      else
+        @point ||= GeoRuby::SimpleFeatures::Point::from_lat_lng(Geokit::LatLng.new(self.latitude,self.longitude)).project_to(self.projection.to_i)
+        @point.y
+      end
+    end
+    def projection_xy
+      if self.long_lat_type.nil? || self.projection.nil?
+        nil
+      else
+        @point ||= GeoRuby::SimpleFeatures::Point::from_lat_lng(Geokit::LatLng.new(self.latitude,self.longitude)).project_to(self.projection.to_i)
+        @point.x.to_s+","+@point.y.to_s
+      end
+    end
+    def projection_x=(dummy)
+      # dummy method
+    end
+    def projection_y=(dummy)
+      # dummy method
+    end
+    def projection_xy=(dummy)
+      # dummy method
+    end
+    end
+  end
+
+