1. sfWidgetFormInputCheckbox.class.php
  2. /**
 * sfWidgetFormInputCheckbox represents an HTML checkbox tag.
 *
 * @package    symfony
 * @subpackage widget
 * @author     Fabien Potencier 
 * @version    SVN: $Id: sfWidgetFormInputCheckbox.class.php 21908 2009-09-11 12:06:21Z fabien $
 */
  3. class sfWidgetFormInputCheckbox extends sfWidgetFormInput
  4. {
  5.   /**
  6.    * Constructor.
  7.    *
  8.    * Available options:
  9.    *
  10.    *  - value_attribute_value: The "value" attribute value to set for the checkbox
  11.    *
  12.    * @param array  $options     An array of options
  13.    * @param array  $attributes  An array of default HTML attributes
  14.    *
  15.    * @see sfWidgetFormInput
  16.    */
  17.   public function __construct($options = array(), $attributes = array())
  18.   {
  19.     $this->addOption('value_attribute_value');
  21.     parent::__construct($options, $attributes);
  22.   }
  24.   /**
  25.    * @param array $options     An array of options
  26.    * @param array $attributes  An array of default HTML attributes
  27.    *
  28.    * @see sfWidgetFormInput
  29.    */
  30.   protected function configure($options = array(), $attributes = array())
  31.   {
  32.     parent::configure($options, $attributes);
  34.     $this->setOption('type', 'checkbox');
  36.     if (isset($attributes['value']))
  37.     {
  38.       $this->setOption('value_attribute_value', $attributes['value']);
  39.     }
  40.   }
  42.   /**
  43.    * @param  string $name        The element name
  44.    * @param  string $value       The this widget is checked if value is not null
  45.    * @param  array  $attributes  An array of HTML attributes to be merged with the default HTML attributes
  46.    * @param  array  $errors      An array of errors for the field
  47.    *
  48.    * @return string An HTML tag string
  49.    *
  50.    * @see sfWidgetForm
  51.    */
  52.   public function render($name, $value = null, $attributes = array(), $errors = array())
  53.   {
  54.     if (null !== $value && $value !== false)
  55.     {
  56.       $attributes['checked'] = 'checked';
  57.     }
  59.     if (!isset($attributes['value']) && null !== $this->getOption('value_attribute_value'))
  60.     {
  61.       $attributes['value'] = $this->getOption('value_attribute_value');
  62.     }
  64.     return parent::render($name, null, $attributes, $errors);
  65.   }
  66. }
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