Add visual radio

lib/fourmi/prawn/utils/extensions/visual_form.rb

@@ -4,8 +4,8 @@ require 'prawn/blank'
 module Fourmi::Prawn::Utils
   module Extensions
     module VisualForm
-      def visual_checkbox(name, checked = false, size: 8, white: false, form: false)
+      def visual_checkbox(name, checked = false, size: 8, white: false, form: false, at: [0, cursor])
-        bounding_box([0, cursor], width: bounds.width) do
+        bounding_box(at, width: bounds.width) do
           float do
             bounding_box([0, cursor], width: size, height: size) do
               if form
@@ -24,6 +24,30 @@ module Fourmi::Prawn::Utils
           end if block_given?
         end
       end
+
+      def visual_radio(parent, value:, checked: false, size: 8, white: false, form: false, at: [0, cursor])
+        bounding_box(at, width: bounds.width) do
+          float do
+            bounding_box([0, cursor], width: size, height: size) do
+              center_coordinates = [bounds.right / 2.0, bounds.top / 2.0]
+              radius = size / 2.0
+
+              if form
+                radio parent: parent, at: [0, bounds.top], value: value, width: bounds.width, height: bounds.height
+              else
+                with_fill_color 'FFFFFF' do
+                  fill_circle center_coordinates, radius if white
+                end
+                fill_circle center_coordinates, radius - 2 if checked
+              end
+              stroke_circle center_coordinates, bounds.width / 2
+            end
+          end
+          indent(size + 7) do
+            yield
+          end if block_given?
+        end
+      end
     end
   end
 end