lib/axlsx/drawing/bar_3D_chart.rb in axlsx-1.0.18 vs lib/axlsx/drawing/bar_3D_chart.rb in axlsx-1.1.0

@@ -39,11 +39,11 @@
     # @return [Symbol]
     attr_reader :shape
 
     # validation regex for gap amount percent
     GAP_AMOUNT_PERCENT = /0*(([0-9])|([1-9][0-9])|([1-4][0-9][0-9])|500)%/
-    
+
     # Creates a new bar chart object
     # @param [GraphicFrame] frame The workbook that owns this chart.
     # @option options [Cell, String] title
     # @option options [Boolean] show_legend
     # @option options [Symbol] barDir
@@ -65,18 +65,18 @@
       @gapWidth, @gapDepth, @shape = nil, nil, nil
       @catAxId = rand(8 ** 8)
       @valAxId = rand(8 ** 8)
       @catAxis = CatAxis.new(@catAxId, @valAxId)
       @valAxis = ValAxis.new(@valAxId, @catAxId, :tickLblPos => :low)
-      super(frame, options)      
+      super(frame, options)
       @series_type = BarSeries
       @view3D = View3D.new({:rAngAx=>1}.merge(options))
     end
 
     # The direction of the bars in the chart
     # must be one of [:bar, :col]
-    def barDir=(v) 
+    def barDir=(v)
       RestrictionValidator.validate "Bar3DChart.barDir", [:bar, :col], v
       @barDir = v
     end
 
     #grouping for a column, line, or area chart.
@@ -98,40 +98,41 @@
       @gapDepth=(v)
     end
 
     # The shabe of the bars or columns
     # must be one of  [:cone, :coneToMax, :box, :cylinder, :pyramid, :pyramidToMax]
-    def shape=(v) 
+    def shape=(v)
       RestrictionValidator.validate "Bar3DChart.shape", [:cone, :coneToMax, :box, :cylinder, :pyramid, :pyramidToMax], v
       @shape = v
     end
-    
-    # Serializes the bar chart
+
+    # Serializes the object
+    # @param [String] str
     # @return [String]
-    def to_xml
-      super() do |xml|
-        xml.bar3DChart {
-          xml.barDir :val => barDir
-          xml.grouping :val=>grouping
-          xml.varyColors :val=>1
-          @series.each { |ser| ser.to_xml(xml) }
-          xml.dLbls {
-            xml.showLegendKey :val=>0
-            xml.showVal :val=>0
-            xml.showCatName :val=>0
-            xml.showSerName :val=>0
-            xml.showPercent :val=>0
-            xml.showBubbleSize :val=>0            
-          }
-          xml.gapWidth :val=>@gapWidth unless @gapWidth.nil?
-          xml.gapDepth :val=>@gapDepth unless @gapDepth.nil?
-          xml.shape :val=>@shape unless @shape.nil?
-          xml.axId :val=>@catAxId
-          xml.axId :val=>@valAxId
-          xml.axId :val=>0
-        }
-        @catAxis.to_xml(xml)
-        @valAxis.to_xml(xml)        
+    def to_xml_string(str = '')
+      super(str) do |str_inner|
+        str_inner << '<c:bar3DChart>'
+        str_inner << '<c:barDir val="' << barDir.to_s << '"/>'
+        str_inner << '<c:grouping val="' << grouping.to_s << '"/>'
+        str_inner << '<c:varyColors val="1"/>'
+        @series.each { |ser| ser.to_xml_string(str_inner) }
+        str_inner << '<c:dLbls>'
+        str_inner << '<c:showLegendKey val="0"/>'
+        str_inner << '<c:showVal val="0"/>'
+        str_inner << '<c:showCatName val="0"/>'
+        str_inner << '<c:showSerName val="0"/>'
+        str_inner << '<c:showPercent val="0"/>'
+        str_inner << '<c:showBubbleSize val="0"/>'
+        str_inner << '</c:dLbls>'
+        str_inner << '<c:gapWidth val="' << @gapWidth.to_s << '"/>' unless @gapWidth.nil?
+        str_inner << '<c:gapDepth val="' << @gapDepth.to_s << '"/>' unless @gapDepth.nil?
+        str_inner << '<c:shape val="' << @shape.to_s << '"/>' unless @shape.nil?
+        str_inner << '<c:axId val="' << @catAxId.to_s << '"/>'
+        str_inner << '<c:axId val="' << @valAxId.to_s << '"/>'
+        str_inner << '<c:axId val="0"/>'
+        str_inner << '</c:bar3DChart>'
+        @catAxis.to_xml_string str_inner
+        @valAxis.to_xml_string str_inner
       end
-    end    
-  end  
+    end
+  end
 end