1 <?php
 2 /**
 3  * Hidden field.
 4  * @package forms
 5  * @subpackage fields-dataless
 6  */
 7 class HiddenField extends FormField {
 8     /**
 9      * Returns an hidden input field, class="hidden" and type="hidden"
10      */
11     function Field() {
12         $attributes = array(
13             'type' => 'hidden',
14             'class' => 'hidden' . $this->extraClass(),
15             'id' => $this->id(),
16             'name' => $this->Name(),
17             'value' => $this->attrValue(),
18         );
19     
20         return $this->createTag('input', $attributes);
21     }
22         
23     function performReadonlyTransformation() {
24         $clone = clone $this;
25         $clone->setReadonly(true);
26         return $clone;
27     }
28     
29     function IsHidden() {
30         return true;
31     }
32 
33     static function create($name) { return new HiddenField($name); }
34 }
35 
36 ?>