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   1  <?php
   2  
   3  require_once 'Horde/Notification/Listener.php';
   4  
   5  /**
   6   * The Notification_Listener_javascript:: class provides functionality for
   7   * inserting javascript code from the message stack into the page.
   8   *
   9   * $Horde: framework/Notification/Notification/Listener/javascript.php,v 1.7.10.6 2006/01/01 21:28:30 jan Exp $
  10   *
  11   * Copyright 2004-2006 Jan Schneider <jan@horde.org>
  12   *
  13   * See the enclosed file COPYING for license information (LGPL). If you
  14   * did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
  15   *
  16   * @author  Jan Schneider <jan@horde.org>
  17   * @since   Horde 3.0
  18   * @package Horde_Notification
  19   */
  20  class Notification_Listener_javascript extends Notification_Listener {
  21  
  22      /**
  23       * Constructor
  24       */
  25      function Notification_Listener_javascript()
  26      {
  27          $this->_handles = array('javascript' => '');
  28      }
  29  
  30      /**
  31       * Return a unique identifier for this listener.
  32       *
  33       * @return string  Unique id.
  34       */
  35      function getName()
  36      {
  37          return 'javascript';
  38      }
  39  
  40      /**
  41       * Outputs the javascript code if there are any messages on the
  42       * 'javascript' message stack and if the 'notify_javascript' option is set.
  43       *
  44       * @param array &$messageStack     The stack of messages.
  45       * @param array $options  An array of options. Options: 'noscript'
  46       */
  47      function notify(&$messageStack, $options = array())
  48      {
  49          if (count($messageStack)) {
  50              if (empty($options['noscript'])) {
  51                  echo '<script type="text/javascript">';
  52                  echo "\n<!--\n";
  53              }
  54              while ($message = array_shift($messageStack)) {
  55                  $this->getMessage($message);
  56              }
  57              if (empty($options['noscript'])) {
  58                  echo "//-->\n</script>\n";
  59              }
  60          }
  61      }
  62  
  63      /**
  64       * Outputs one message.
  65       *
  66       * @param array $message  One message hash from the stack.
  67       */
  68      function getMessage($message)
  69      {
  70          $event = $this->getEvent($message);
  71          echo $event->getMessage() . "\n";
  72      }
  73  
  74  }