From cbfabd0dca2eb4f1b3af81bbaa7433246c5b198d Mon Sep 17 00:00:00 2001
From: Evan Hallmark <ehallmark@gttgrp.com>
Date: Mon, 7 Nov 2016 13:13:58 -0800
Subject: Added style_info field to pivot_table.rb

---
 lib/axlsx/workbook/worksheet/pivot_table.rb | 17 +++++++++++++++--
 test/workbook/worksheet/tc_pivot_table.rb   | 12 ++++++++++++
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/lib/axlsx/workbook/worksheet/pivot_table.rb b/lib/axlsx/workbook/worksheet/pivot_table.rb
index 7dac7aa3..fffced0b 100644
--- a/lib/axlsx/workbook/worksheet/pivot_table.rb
+++ b/lib/axlsx/workbook/worksheet/pivot_table.rb
@@ -26,6 +26,7 @@ module Axlsx
       @pages = []
       @subtotal = nil
       @no_subtotals_on_headers = []
+      @style_info = {}
       parse_options options
       yield self if block_given?
     end
@@ -34,6 +35,10 @@ module Axlsx
     # @return[Array]
     attr_accessor :no_subtotals_on_headers
 
+    # Style info for the pivot table
+    # @return[Hash]
+    attr_accessor :style_info
+
     # The reference to the table data
     # @return [String]
     attr_reader :ref
@@ -206,12 +211,20 @@ module Axlsx
         str << "<dataFields count=\"#{data.size}\">"
         data.each do |datum_value|
           # The correct name prefix in ["Sum","Average", etc...]
-          str << "<dataField name=\"#{(datum_value[:subtotal]||'')} of #{datum_value[:ref]}\" fld=\"#{header_index_of(datum_value[:ref])}\" baseField=\"0\" baseItem=\"0\""
-          str << " subtotal=\"#{datum_value[:subtotal]}\" " if datum_value[:subtotal]
+          str << "<dataField name='#{(datum_value[:subtotal]||'')} of #{datum_value[:ref]}' fld='#{header_index_of(datum_value[:ref])}' baseField='0' baseItem='0'"
+          str << " subtotal='#{datum_value[:subtotal]}' " if datum_value[:subtotal]
           str << "/>"
         end
         str << '</dataFields>'
       end
+      # custom pivot table style
+      unless style_info.empty?
+        str << '<pivotTableStyleInfo'
+        style_info.each do |k,v|
+          str << ' ' << k.to_s << '="' << v.to_s << '"'
+        end
+        str << ' />'
+      end
       str << '</pivotTableDefinition>'
     end
 
diff --git a/test/workbook/worksheet/tc_pivot_table.rb b/test/workbook/worksheet/tc_pivot_table.rb
index a62e6f40..08ad49e6 100644
--- a/test/workbook/worksheet/tc_pivot_table.rb
+++ b/test/workbook/worksheet/tc_pivot_table.rb
@@ -67,6 +67,18 @@ class TestPivotTable < Test::Unit::TestCase
     assert_equal([{:ref=>"Sales", :subtotal => 'average'}], pivot_table.data)
   end
 
+  def test_add_pivot_table_with_style_info
+    style_info_data = { :name=>"PivotStyleMedium9", :showRowHeaders=>"1", :showLastColumn=>"0"}
+    pivot_table = @ws.add_pivot_table('G5:G6', 'A1:E5', {:style_info=>style_info_data}) do |pt|
+      pt.rows = ['Year', 'Month']
+      pt.columns = ['Type']
+      pt.data = ['Sales']
+      pt.pages = ['Region']
+    end
+    assert_equal(style_info_data, pivot_table.style_info)
+    shared_test_pivot_table_xml_validity(pivot_table)
+  end
+
   def test_add_pivot_table_with_row_without_subtotals
     pivot_table = @ws.add_pivot_table('G5:G6', 'A1:D5', {:no_subtotals_on_headers=>['Year']}) do |pt|
       pt.data = ['Sales']
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