Fixed searchable select.

app/assets/javascripts/app/controllers/_ui_element/searchable_select.js.coffee

@@ -1,3 +1,31 @@
-class App.UiElement.searchable_select
-  @render: (attribute) ->
+class App.UiElement.searchable_select extends App.UiElement.ApplicationUiElement
+  @render: (attribute, params) ->
+
+    # set multiple option
+    if attribute.multiple
+      attribute.multiple = 'multiple'
+    else
+      attribute.multiple = ''
+
+    # build options list based on config
+    @getConfigOptionList( attribute, params )
+
+    # build options list based on relation
+    @getRelationOptionList( attribute, params )
+
+    # add null selection if needed
+    @addNullOption( attribute, params )
+
+    # sort attribute.options
+    @sortOptions( attribute, params )
+
+    # finde selected/checked item of list
+    @selectedOptions( attribute, params )
+
+    # disable item of list
+    @disabledOptions( attribute, params )
+
+    # filter attributes
+    @filterOption( attribute, params )
+
     new App.SearchableSelect( attribute: attribute ).element()