# ISO <<Class>> EX_GeographicBoundingBox
# writer output in XML

# History:
# 	Stan Smith 2013-11-01 original script
#   Stan Smith 2014-05-30 hElement attributes changed for version 0.5.0

class EX_GeographicBoundingBox

	def initialize(xml)
		@xml = xml
	end

	def writeXML(hElement)

		extentType = hElement[:elementIncludeData]
		hBBox = hElement[:elementGeometry][:geometry]

		@xml.tag!('gmd:EX_GeographicBoundingBox') do

			# bounding box - extent type - required
			if extentType.nil?
				@xml.tag!('gmd:extentTypeCode',{'gco:nilReason'=>'missing'})
			else
				@xml.tag!('gmd:extentTypeCode') do
					@xml.tag!('gco:Boolean',extentType)
				end
			end

			# bounding box - west longitude - required
			s = hBBox[:westLong]
			if s.nil?
				@xml.tag!('gmd:westBoundLongitude',{'gco:nilReason'=>'missing'})
			else
				@xml.tag!('gmd:westBoundLongitude') do
					@xml.tag!('gco:Decimal',s)
				end
			end

			# bounding box - east longitude - required
			s = hBBox[:eastLong]
			if s.nil?
				@xml.tag!('gmd:eastBoundLongitude',{'gco:nilReason'=>'missing'})
			else
				@xml.tag!('gmd:eastBoundLongitude') do
					@xml.tag!('gco:Decimal',s)
				end
			end

			# bounding box - south latitude - required
			s = hBBox[:southLat]
			if s.nil?
				@xml.tag!('gmd:southBoundLatitude',{'gco:nilReason'=>'missing'})
			else
				@xml.tag!('gmd:southBoundLatitude') do
					@xml.tag!('gco:Decimal',s)
				end
			end

			# bounding box - north latitude - required
			s = hBBox[:northLat]
			if s.nil?
				@xml.tag!('gmd:northBoundLatitude',{'gco:nilReason'=>'missing'})
			else
				@xml.tag!('gmd:northBoundLatitude') do
					@xml.tag!('gco:Decimal',s)
				end
			end

		end

	end

end