lib/write_xlsx/chart/line.rb in write_xlsx-0.79.0 vs lib/write_xlsx/chart/line.rb in write_xlsx-0.80.0

@@ -22,9 +22,22 @@
 
       def initialize(subtype)
         super(subtype)
         @default_marker = Marker.new(:type => 'none')
         @smooth_allowed = 1
+
+        # Set the available data label positions for this chart type.
+        @label_position_default = 'right'
+        @label_positions = {
+          'center'      => 'ctr',
+          'right'       => 'r',
+          'left'        => 'l',
+          'above'       => 't',
+          'below'       => 'b',
+          # For backward compatibility.
+          'top'         => 't',
+          'bottom'      => 'b'
+        }
       end
 
       #
       # Override the virtual superclass method with a chart specific method.
       #