add: helper slider

[pettanr/pettanr.git] / app / assets / javascripts / locmare / form / field.js.coffee

diff --git a/app/assets/javascripts/locmare/form/field.js.coffee b/app/assets/javascripts/locmare/form/field.js.coffee
index 55e273f..8b8a56f 100644 (file)
--- a/app/assets/javascripts/locmare/form/field.js.coffee
+++ b/app/assets/javascripts/locmare/form/field.js.coffee
@@ -49,6 +49,11 @@ class Locmare.FormModule.Field extends Backbone.View
     a[@field_manifest.column_name()] = v\r
     @item().set(a, opt)\r
   \r
+  unset: () ->\r
+    a = {}\r
+    a[@field_manifest.column_name()] = undefined\r
+    @item().set(a, {unset: true})\r
+  \r
   form_field_name: () ->\r
     @form.form_field_name @field_name\r
   \r