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   1  <?php
   2  
   3  /**
   4   * Joomla! Content Management System
   5   *
   6   * @copyright  (C) 2012 Open Source Matters, Inc. <https://www.joomla.org>
   7   * @license    GNU General Public License version 2 or later; see LICENSE.txt
   8   */
   9  
  10  namespace Joomla\CMS\HTML\Helpers;
  11  
  12  use Joomla\CMS\Factory;
  13  use Joomla\CMS\HTML\HTMLHelper;
  14  use Joomla\CMS\Layout\FileLayout;
  15  
  16  // phpcs:disable PSR1.Files.SideEffects
  17  \defined('JPATH_PLATFORM') or die;
  18  // phpcs:enable PSR1.Files.SideEffects
  19  
  20  /**
  21   * Utility class for icons.
  22   *
  23   * @since  2.5
  24   */
  25  abstract class Icons
  26  {
  27      /**
  28       * Method to generate html code for a list of buttons
  29       *
  30       * @param   array  $buttons  Array of buttons
  31       *
  32       * @return  string
  33       *
  34       * @since   2.5
  35       */
  36      public static function buttons($buttons)
  37      {
  38          if (empty($buttons)) {
  39              return '';
  40          }
  41  
  42          $html = array();
  43  
  44          foreach ($buttons as $button) {
  45              $html[] = HTMLHelper::_('icons.button', $button);
  46          }
  47  
  48          return implode($html);
  49      }
  50  
  51      /**
  52       * Method to generate html code for a list of buttons
  53       *
  54       * @param   array  $button  Button properties
  55       *
  56       * @return  string
  57       *
  58       * @since   2.5
  59       */
  60      public static function button($button)
  61      {
  62          if (isset($button['access'])) {
  63              if (is_bool($button['access'])) {
  64                  if ($button['access'] == false) {
  65                      return '';
  66                  }
  67              } else {
  68                  // Get the user object to verify permissions
  69                  $user = Factory::getUser();
  70  
  71                  // Take each pair of permission, context values.
  72                  for ($i = 0, $n = count($button['access']); $i < $n; $i += 2) {
  73                      if (!$user->authorise($button['access'][$i], $button['access'][$i + 1])) {
  74                          return '';
  75                      }
  76                  }
  77              }
  78          }
  79  
  80          // Instantiate a new FileLayout instance and render the layout
  81          $layout = new FileLayout('joomla.quickicons.icon');
  82  
  83          return $layout->render($button);
  84      }
  85  }