Upgraded to use 0-70-x asset pipeline, Deface, and engine activation

lib/shipping_csv_hooks.rb → app/assets/javascripts/admin/shipping_csv.js

@@ -1,8 +1,4 @@
-class ShippingCsvHooks < Spree::ThemeSupport::HookListener
-
-  insert_after :admin_orders_index_search_buttons do
-    %(  <script>
-          function submitCSV()
+function submitCSV()
           { 
             confirm("This function returns only complete orders within the selected date range.");
             var startDate = $('#search_created_at_greater_than').val();
@@ -13,9 +9,3 @@ class ShippingCsvHooks < Spree::ThemeSupport::HookListener
             }
             window.location = "/admin/shippingdocs" + "?start=" + startDate + "&end=" + endDate
           }
-        </script>
-        <p><button type="button" onclick="javascript:submitCSV()"><span>CSV</span></button>
-    )
-  end
-
-end

app/overrides/add_shipping_csv_button.rb

@@ -0,0 +1,5 @@
+Deface::Override.new(:virtual_path => 'admin/orders/index',
+	:name => "add_shipping_csv_button",
+	:insert_bottom => "div.box, [data-hook='admin_orders_index_search']",
+	:text => %q{<p><button type="button" onclick="javascript:submitCSV()"><span>CSV</span></button>}
+		    )

lib/spree_shipping_csv.rb

@@ -0,0 +1,21 @@
+require 'spree_core'
+
+module SpreeShippingCsv
+  class Engine < Rails::Engine
+    engine_name 'spree_shipping_csv'
+
+    def self.activate
+      Dir.glob(File.join(File.dirname(__FILE__), "../app/**/*_decorator*.rb")) do |c|
+        Rails.application.config.cache_classes ? require(c) : load(c)
+      end
+
+      Dir.glob(File.join(File.dirname(__FILE__), "../app/overrides/**/*.rb")) do |c|
+        Rails.application.config.cache_classes ? require(c) : load(c)
+      end
+    end
+
+    config.to_prepare &method(:activate).to_proc
+    config.autoload_paths += %W(#{config.root}/lib)
+  end
+end
+