-refactoring chart position and axis data/category for chart.

-additional specs and documentation improvements.

1 files changed, 28 insertions, 0 deletions

diff --git a/lib/axlsx/drawing/val_axis_data.rb b/lib/axlsx/drawing/val_axis_data.rb
new file mode 100644
index 00000000..6a24a1ef
--- /dev/null
+++ b/lib/axlsx/drawing/val_axis_data.rb
@@ -0,0 +1,28 @@
+module Axlsx
+  # The ValAxisData class manages the values for a chart value series.
+  class ValAxisData < CatAxisData
+
+    # Serializes the value axis data
+    # @param [Nokogiri::XML::Builder] xml The document builder instance this objects xml will be added to.
+    # @return [String]
+    def to_xml(xml)
+      xml.send('c:val') {
+        xml.send('c:numRef') {
+          xml.send('c:f', Axlsx::cell_range(@list))
+          xml.send('c:numCache') {
+            xml.send('c:formatCode', 'General')
+            xml.send('c:ptCount', :val=>size)
+            each_with_index do |item, index|
+              v = item.is_a?(Cell) ? item.value : item
+              xml.send('c:pt', :idx=>index) {
+                xml.send('c:v', v) 
+              }
+            end
+          }                        
+        }
+      }
+    end
+
+  end
+  
+end