interface/modules/zend_modules/library/Zend/Form/View/Helper/Captcha/Figlet.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Form\View\Helper\Captcha;
  11
  12 use Zend\Captcha\Figlet as CaptchaAdapter;
  13 use Zend\Form\ElementInterface;
  14 use Zend\Form\Exception;
  15
  16 class Figlet extends AbstractWord
  17 {
  18     /**
  19      * Render the captcha
  20      *
  21      * @param  ElementInterface $element
  22      * @throws Exception\DomainException
  23      * @return string
  24      */
  25     public function render(ElementInterface $element)
  26     {
  27         $captcha = $element->getCaptcha();
  28
  29         if ($captcha === null || !$captcha instanceof CaptchaAdapter) {
  30             throw new Exception\DomainException(sprintf(
  31                 '%s requires that the element has a "captcha" attribute of type Zend\Captcha\Figlet; none found',
  32                 __METHOD__
  33             ));
  34         }
  35
  36         $captcha->generate();
  37
  38         $figlet = sprintf(
  39             '<pre>%s</pre>',
  40             $captcha->getFiglet()->render($captcha->getWord())
  41         );
  42
  43         $position     = $this->getCaptchaPosition();
  44         $separator    = $this->getSeparator();
  45         $captchaInput = $this->renderCaptchaInputs($element);
  46
  47         $pattern = '%s%s%s';
  48         if ($position == self::CAPTCHA_PREPEND) {
  49             return sprintf($pattern, $captchaInput, $separator, $figlet);
  50         }
  51
  52         return sprintf($pattern, $figlet, $separator, $captchaInput);
  53     }
  54 }