table_cell.rb in watir-6.7.0

- old
+ new

@@ -1,6 +1,31 @@
 module Watir
   class TableCell < HTMLElement
-    alias_method :colspan, :col_span
-    alias_method :rowspan, :row_span
+
+    def column_header
+      current_row = parent(tag_name: 'tr')
+      header_row(current_row, index: previous_siblings.size)
+    end
+
+    def sibling_from_header(opt)
+      current_row = parent(tag_name: 'tr')
+      header = header_row(current_row, opt)
+      index = header.previous_siblings.size
+
+      self.class.new(current_row, tag_name: 'td', index: index)
+    end
+
+    private
+
+    def header_row(current_row, opt)
+      table = self.parent(tag_name: 'table')
+      header_row = table.tr
+
+      table.cell_size_check(header_row, current_row)
+
+      header_type = table.th.exist? ? 'th' : 'tr'
+      opt.merge!(tag_name: header_type)
+
+      Watir.tag_to_class[header_type.to_sym].new(header_row, opt)
+    end
   end # TableCell
 end # Watir