Add controls to alter the number of products displayed for BPE

app/views/spree/admin/products/bulk_edit.html.haml

@@ -28,6 +28,10 @@
     %br.clear
     %br.clear
     %div{ :class => 'five columns' }
+      Show 
+      %select{ 'ng-model' => 'perPage', :name => 'perPage', 'ng-options' => 'pp for pp in [25,50,100,200]'}
+       per page
+      %br
       %span Displaying {{firstVisibleProduct()}}-{{lastVisibleProduct()}} of {{totalCount()}} products
     %table.index#listing_products.bulk
       %colgroup
@@ -50,7 +54,7 @@
           %th{ 'ng-show' => 'columns.on_hand.visible' } On Hand
           %th{ 'ng-show' => 'columns.available_on.visible' } Av. On
           %th.actions
-      %tbody{ 'ng-repeat' => 'product in products | filter:query', 'ng-class-even' => "'even'", 'ng-class-odd' => "'odd'" }
+      %tbody{ 'ng-repeat' => 'product in products | filter:query', 'ng-class-even' => "'even'", 'ng-class-odd' => "'odd'", 'ng-show' => "$index >= perPage*(currentPage-1) && $index < perPage*currentPage" }
         %tr.product
           %td.left-actions
             %a{ 'ofn-toggle-variants' => 'true', :class => "view-variants icon-chevron-right", 'ng-show' => 'hasVariants(product)' }

spec/features/admin/bulk_product_update_spec.rb

@@ -497,6 +497,28 @@ feature %q{
         page.should have_selector "th", :text => "AV. ON"
       end
     end
+
+    describe "using pagination controls" do
+      it "shows pagination controls" do
+        login_to_admin_section
+
+        visit '/admin/products/bulk_edit'
+
+        page.should have_select 'perPage', :selected => '25'
+      end
+
+      it "allows the number of visible products to be altered" do
+        27.times { FactoryGirl.create(:product) }
+        login_to_admin_section
+
+        visit '/admin/products/bulk_edit'
+
+        select '25', :from => 'perPage'
+        page.all("input[name='product_name']").select{|e| e.visible?}.length.should == 25
+        select '50', :from => 'perPage'
+        page.all("input[name='product_name']").select{|e| e.visible?}.length.should == 27
+      end
+    end
   end
 
   context "as an enterprise manager" do