Replace clear method with values method

The `values` method that will return an array of values for the radio buttons in the group.

lib/page-object/accessors.rb

@@ -422,46 +422,41 @@ def radio_button(name, identifier={:index => 0}, &block)
     #
     # adds five methods to help interact with a radio button group -
     # a method to select a radio button in the group by given value/text,
-    # a method to clear all radio buttons in the group, a method to 
-    # return if a radio button in the group is selected (will return
+    # a method to return the values of all radio buttins in the group, a method
+    # to return if a radio button in the group is selected (will return
     # the text of the selected radio button, if true), a method to return
     # an array of PageObject::Elements::RadioButton objects representing
     # the radio button group, and finally a method to check the existence
     # of the radio button group.
     #
     # @example
-    #   radio_button_group(:color, :name => "preferred_color")
-    #   # will generate 'select_color', 'clear_color', 'color_selected?',
-    #   # 'color_elements', and 'color?' methods
+    # radio_button_group(:color, :name => "preferred_color")
+    # will generate 'select_color', 'color_values', 'color_selected?',
+    # 'color_elements', and 'color?' methods
     #
     # @param [Symbol] the name used for the generated methods
     # @param [Hash] shared identifier for the radio button group. Typically, a 'name' attribute.
-    #   The valid keys are:
-    #   * :class => Watir and Selenium
-    #   * :css => Selenium only
-    #   * :id => Watir and Selenium
-    #   * :index => Watir and Selenium
-    #   * :name => Watir and Selenium
-    #   * :value => Watir and Selenium
-    #   * :xpath => Watir and Selenium
-    #   * :label => Watir and Selenium
+    # The valid keys are:
+    # * :name => Watir and Selenium
     #
     def radio_button_group(name, identifier)
       define_method("select_#{name}") do |value|
         platform.radio_buttons_for(identifier.clone).each do |radio_elem|
-          if radio_elem.value == value || radio_elem.text == value
+          if radio_elem.value == value
             return radio_elem.select
           end
         end
       end
-      define_method("clear_#{name}") do
+      define_method("#{name}_values") do
+        result = []
         platform.radio_buttons_for(identifier.clone).each do |radio_elem|
-          radio_elem.clear
+          result << radio_elem.value
         end
+        return result
       end
       define_method("#{name}_selected?") do
         platform.radio_buttons_for(identifier.clone).each do |radio_elem|
-          return radio_elem.text if radio_elem.selected?
+          return radio_elem.value if radio_elem.selected?
         end
         return false
       end