make test sectio multi column

app/helpers/merged/merged_helper.rb

@@ -18,6 +18,14 @@ module Merged
       self.renderer.render(text).html_safe
     end
 
+    def split_section(section)
+      return [""] if section.text.blank?
+      words = self.renderer.render(section.text).split
+      bins = (words.length + 3) / section.option("columns").to_i
+      parts = words.each_slice(bins).to_a
+      parts.collect{|part| part.join(" ").html_safe}
+    end
+
     def aspect_ratio image
       x , y = image.aspect_ratio
       "#{x} / #{y}"

app/helpers/merged/view_helper.rb

@@ -2,6 +2,14 @@ module Merged
   module ViewHelper
     include MergedHelper
 
+    def rows( text )
+      return 5 if text.blank?
+      text = text.text unless text.is_a?(String)
+      rows = (text.length / 60).to_i
+      return 5 if rows < 5
+      rows
+    end
+
     # background image as inline style
     def bg(section , clazz = "")
       attributes = {class: clazz}