Make enter submit the search form in products list

app/assets/javascripts/admin/bulk_product_update.js.coffee

@@ -64,6 +64,10 @@ angular.module("ofn.admin").controller "AdminProductEditCtrl", ($scope, $timeout
     RequestMonitor.load(BulkProducts.fetch(params).$promise).then ->
       $scope.resetProducts()
 
+  # Used by directive enterToSubmit
+  $scope.submit = ->
+    $scope.fetchProducts()
+
   removeClearedValues = ->
     delete $scope.producerFilter if $scope.producerFilter == "0"
     delete $scope.categoryFilter if $scope.categoryFilter == "0"

app/assets/javascripts/admin/directives/enter_to_submit.js.coffee

@@ -0,0 +1,8 @@
+angular.module("ofn.admin").directive "enterToSubmit", ->
+  restrict: 'A'
+
+  link: (scope, element, attrs) ->
+    element.bind "keypress", (event) ->
+      return if event.which != 13
+
+      scope.submit()