added widget option for date and dateRange filters

Form/Type/DateRangeType.php

@@ -28,8 +28,13 @@ class DateRangeType extends AbstractType
 
     public function buildForm(FormBuilder $builder, array $options)
     {
-        $builder->add('start', 'date', array('required' => false));
-        $builder->add('end', 'date', array('required' => false));
+        $builder->add('start', 'date', array_merge(array('required' => false), $options['field_options']));
+        $builder->add('end', 'date', array_merge(array('required' => false), $options['field_options']));
+    }
+
+    public function getDefaultOptions(array $options)
+    {
+        return $options;
     }
     
     public function getName()

Form/Type/Filter/DateRangeType.php

@@ -47,10 +47,10 @@ class DateRangeType extends AbstractType
         $choices = array(
             self::TYPE_RANGE            => $this->translator->trans('label_date_type_range', array(), 'SonataAdminBundle'),
         );
-
+        
         $builder
             ->add('type', 'choice', array('choices' => $choices, 'required' => false))
-            ->add('value', 'sonata_type_date_range', array('required' => false))
+            ->add('value', 'sonata_type_date_range', array('field_options' => array_merge(array('format' => 'yyyy-MM-dd'), $options['field_options'])))
         ;
     }
 

Form/Type/Filter/DateType.php

@@ -69,7 +69,7 @@ class DateType extends AbstractType
 
         $builder
             ->add('type', 'choice', array('choices' => $choices, 'required' => false))
-            ->add('value', 'date', array('required' => false))
+            ->add('value', 'date', array_merge(array('required' => false, 'format' => 'yyyy-MM-dd'), $options['field_options']))
         ;
     }