forgotten read_only options

Form/Type/ModelAutocompleteType.php

@@ -65,6 +65,7 @@ class ModelAutocompleteType extends AbstractType
         $view->vars['minimum_input_length'] = $options['minimum_input_length'];
         $view->vars['items_per_page'] = $options['items_per_page'];
         $view->vars['width'] = $options['width'];
+        $view->vars['read_only'] = $options['read_only'];
 
         // ajax parameters
         $view->vars['url'] = $options['url'];
@@ -118,6 +119,7 @@ class ModelAutocompleteType extends AbstractType
             'multiple'                      => false,
             'width'                         => '',
             'context'                       => '',
+            'read_only'                     => false,
 
             'placeholder'                   => '',
             'minimum_input_length'          => 3, //minimum 3 chars should be typed to load ajax data

Tests/Form/Type/ModelAutocompleteTypeTest.php

@@ -46,6 +46,7 @@ class ModelAutocompleteTypeTest extends TypeTestCase
         $this->assertSame(false, $options['cache']);
         $this->assertSame('', $options['width']);
         $this->assertFalse($options['dropdown_auto_width']);
+        $this->assertFalse($options['read_only']);
 
         $this->assertSame('', $options['url']);
         $this->assertSame(array('name' => 'sonata_admin_retrieve_autocomplete_items', 'parameters' => array()), $options['route']);