Adding 'Cancel Order' button to order confimation interface

app/models/spree/order_decorator.rb

@@ -290,7 +290,7 @@ Spree::Order.class_eval do
   end
 
   def editable?
-    distributor.andand.allow_order_changes? && order_cycle.andand.open?
+    complete? && distributor.andand.allow_order_changes? && order_cycle.andand.open?
   end
 
   private

app/views/spree/orders/form/_update_buttons.html.haml

@@ -4,11 +4,11 @@
       %i.ofn-i_008-caret-left
       = t(:back_to_store)
   - if order.editable?
-    .columns.show-for-medium-up.medium-6  
-    -# .columns.small-12.medium-3  
-    -#   = link_to "#", method: :delete, :class => "button secondary expand" do
-    -#     %i.ofn-i_009-close
-    -#     =t(:cancel_order)
+    .columns.show-for-medium-up.medium-3  
+    .columns.small-12.medium-3
+      = link_to spree.cancel_order_path(@order), method: :put, :class => "button secondary expand" do
+        %i.ofn-i_009-close
+        = t(:cancel_order)
     .columns.small-12.medium-3
       = button_tag :class => 'button primary radius expand', :id => 'update-button' do
         %i.ofn-i_051-check-big

app/views/spree/orders/show.html.haml

@@ -10,8 +10,15 @@
     .row
       .columns.large-12.text-center
         %h2
-          = t :orders_show_number
-          = " #" + @order.number
+          = t(:orders_show_order_number, number: @order.number)
+          - if @order.canceled?
+            %span.brick
+              = t(:orders_show_cancelled)
+              %i.ofn-i_009-close
+          - elsif @order.complete?
+            %span.turquoise
+              = t(:orders_show_confirmed)
+              %i.ofn-i_051-check-big
 
     #order{"data-hook" => ""}
       - if params.has_key? :checkout_complete