lib/write_xlsx/chart.rb in write_xlsx-0.81.0 vs lib/write_xlsx/chart.rb in write_xlsx-0.81.1

@@ -239,13 +239,31 @@
         raise  "Must specify ':categories' in add_series for this chart type"
       end
 
       @series << Series.new(self, params)
 
+      # Set the secondary axis properties.
+      x2_axis = params[:x2_axis]
+      y2_axis = params[:y2_axis]
+
       # Set the gap and overlap for Bar/Column charts.
-      @series_gap     = params[:gap]     if params[:gap]
-      @series_overlap = params[:overlap] if params[:overlap]
+      if params[:gap]
+        if ptrue?(y2_axis)
+          @series_gap_2 = params[:gap]
+        else
+          @series_gap_1 = params[:gap]
+        end
+      end
+
+      # Set the overlap for Bar/Column charts.
+      if params[:overlap]
+        if ptrue?(y2_axis)
+          @series_overlap_2 = params[:overlap]
+        else
+          @series_overlap_1 = params[:overlap]
+        end
+      end
     end
 
     #
     # Set the properties of the x-axis.
     #
@@ -426,11 +444,11 @@
       subtype = @subtype
       subtype = 'percentStacked' if subtype == 'percent_stacked'
 
       # Set a default overlap for stacked charts.
       if @subtype =~ /stacked/
-        @series_overlap = 100 unless @series_overlap
+        @series_overlap_1 = 100 unless @series_overlap_1
       end
 
       @writer.tag_elements('c:barChart') do
         # Write the c:barDir element.
         write_bar_dir
@@ -440,11 +458,20 @@
         series.each {|s| write_ser(s)}
 
         # write the c:marker element.
         write_marker_value
 
-        # Write the c:gapWidth element.
-        write_gap_width(@series_gap)
+        if ptrue?(params[:primary_axes])
+          # Write the c:gapWidth element.
+          write_gap_width(@series_gap_1)
+          # Write the c:overlap element.
+          write_overlap(@series_overlap_1)
+        else
+          # Write the c:gapWidth element.
+          write_gap_width(@series_gap_2)
+          # Write the c:overlap element.
+          write_overlap(@series_overlap_2)
+        end
 
         # write the c:overlap element.
         write_overlap(@series_overlap)
 
         # Write the c:axId elements