Add support for underlined text.

3 files changed, 18 insertions, 2 deletions

diff --git a/lib/axlsx/stylesheet/font.rb b/lib/axlsx/stylesheet/font.rb
index d3eea3b2..1d9bc5d4 100644
--- a/lib/axlsx/stylesheet/font.rb
+++ b/lib/axlsx/stylesheet/font.rb
@@ -54,6 +54,10 @@ module Axlsx
     # @return [Boolean]
     attr_reader :i
 
+    # Indicates if the font should be rendered underlined
+    # @return [Boolean]
+    attr_reader :u
+
     # Indicates if the font should be rendered with a strikthrough
     # @return [Boolean]
     attr_reader :strike
@@ -89,6 +93,7 @@ module Axlsx
     # @option options [Integer] family
     # @option options [Boolean] b
     # @option options [Boolean] i
+    # @option options [Boolean] u
     # @option options [Boolean] strike
     # @option options [Boolean] outline
     # @option options [Boolean] shadow
@@ -111,6 +116,8 @@ module Axlsx
     def b=(v) Axlsx::validate_boolean v; @b = v end    
     # @see i
     def i=(v) Axlsx::validate_boolean v; @i = v end
+    # @see u
+    def u=(v) Axlsx::validate_boolean v; @u = v end
     # @see strike
     def strike=(v) Axlsx::validate_boolean v; @strike = v end
     # @see outline
diff --git a/lib/axlsx/stylesheet/styles.rb b/lib/axlsx/stylesheet/styles.rb
index 633fbcad..955a8b1e 100644
--- a/lib/axlsx/stylesheet/styles.rb
+++ b/lib/axlsx/stylesheet/styles.rb
@@ -125,6 +125,7 @@ module Axlsx
     # @option options [Integer] sz The text size
     # @option options [Boolean] b Indicates if the text should be bold
     # @option options [Boolean] i Indicates if the text should be italicised
+    # @option options [Boolean] u Indicates if the text should be underlined
     # @option options [Boolean] strike Indicates if the text should be rendered with a strikethrough
     # @option options [Boolean] strike Indicates if the text should be rendered with a shadow
     # @option options [Integer] charset The character set to use.
@@ -210,9 +211,9 @@ module Axlsx
                0
              end
       
-      fontId = if (options.values_at(:fg_color, :sz, :b, :i, :strike, :outline, :shadow, :charset, :family, :font_name).length)
+      fontId = if (options.values_at(:fg_color, :sz, :b, :i, :u, :strike, :outline, :shadow, :charset, :family, :font_name).length)
                  font = Font.new()
-                 [:b, :i, :strike, :outline, :shadow, :charset, :family, :sz].each { |k| font.send("#{k}=", options[k]) unless options[k].nil? }
+                 [:b, :i, :u, :strike, :outline, :shadow, :charset, :family, :sz].each { |k| font.send("#{k}=", options[k]) unless options[k].nil? }
                  font.color = Color.new(:rgb => options[:fg_color]) unless options[:fg_color].nil?
                  font.name = options[:font_name] unless options[:font_name].nil?
                  fonts << font
diff --git a/test/stylesheet/tc_font.rb b/test/stylesheet/tc_font.rb
index f4b18776..141c285e 100644
--- a/test/stylesheet/tc_font.rb
+++ b/test/stylesheet/tc_font.rb
@@ -17,6 +17,7 @@ class TestFont < Test::Unit::TestCase
     assert_equal(@item.family, nil)
     assert_equal(@item.b, nil)
     assert_equal(@item.i, nil)
+    assert_equal(@item.u, nil)
     assert_equal(@item.strike, nil)
     assert_equal(@item.outline, nil)
     assert_equal(@item.shadow, nil)
@@ -61,6 +62,13 @@ class TestFont < Test::Unit::TestCase
     assert_nothing_raised { @item.i = true }
     assert_equal(@item.i, true)
   end
+  
+    # def u=(v) Axlsx::validate_boolean v; @u = v end
+  def test_u
+    assert_raise(ArgumentError) { @item.u = -7 }
+    assert_nothing_raised { @item.u = true }
+    assert_equal(@item.u, true)
+  end
 
     # def strike=(v) Axlsx::validate_boolean v; @strike = v end
   def test_strike