Merge pull request #7712 from guidoDutra/1861-enable-shopfront-sorting-by-producer

Enable sorting by producer in shopfront

app/assets/javascripts/admin/utils/services/autocomplete_select2.js.coffee

@@ -0,0 +1,31 @@
+angular.module("admin.utils").factory 'AutocompleteSelect2', ($sanitize) ->
+  scope: true
+  autocomplete: (
+    multiple,
+    placeholder,
+    element,
+    findByID,
+    findByIDs,
+    findByTerm
+  ) ->
+    element.select2
+      placeholder: placeholder
+      multiple: multiple  
+      initSelection: (element, callback) ->
+        if multiple
+          callback findByIDs()
+        else
+          callback findByID()
+      query: (query) ->
+        query.callback { results: findByTerm(query.term) }
+      formatResult: (item) ->
+        $sanitize(item.name)
+      formatSelection: (item) ->
+        item.name
+
+    #Allows drag and drop
+    if multiple
+      element.select2("container").find("ul.select2-choices").sortable
+        containment: 'parent'
+        start: -> element.select2("onSortStart")
+        update: -> element.select2("onSortEnd")