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   1  <?php
   2  
   3  /**
   4   * @package     Joomla.Administrator
   5   * @subpackage  com_fields
   6   *
   7   * @copyright   (C) 2019 Open Source Matters, Inc. <https://www.joomla.org>
   8   * @license     GNU General Public License version 2 or later; see LICENSE.txt
   9   */
  10  
  11  namespace Joomla\Component\Fields\Administrator\Field;
  12  
  13  use Joomla\CMS\Access\Access;
  14  use Joomla\CMS\Factory;
  15  use Joomla\CMS\Fields\FieldsServiceInterface;
  16  use Joomla\CMS\Form\Field\ListField;
  17  use Joomla\CMS\Language\Text;
  18  use Joomla\Utilities\ArrayHelper;
  19  
  20  // phpcs:disable PSR1.Files.SideEffects
  21  \defined('_JEXEC') or die;
  22  // phpcs:enable PSR1.Files.SideEffects
  23  
  24  /**
  25   * Components Fields field.
  26   *
  27   * @since  1.6
  28   */
  29  class ComponentsFieldsField extends ListField
  30  {
  31      /**
  32       * The form field type.
  33       *
  34       * @var     string
  35       * @since   3.7.0
  36       */
  37      protected $type = 'ComponentsFields';
  38  
  39      /**
  40       * Method to get a list of options for a list input.
  41       *
  42       * @return  array  An array of JHtml options.
  43       *
  44       * @since   3.7.0
  45       */
  46      protected function getOptions()
  47      {
  48          // Initialise variable.
  49          $db = $this->getDatabase();
  50  
  51          $query = $db->getQuery(true)
  52              ->select('DISTINCT a.name AS text, a.element AS value')
  53              ->from('#__extensions as a')
  54              ->where('a.enabled >= 1')
  55              ->where('a.type =' . $db->quote('component'));
  56  
  57          $items = $db->setQuery($query)->loadObjectList();
  58  
  59          $options = [];
  60  
  61          if (count($items)) {
  62              $lang = Factory::getLanguage();
  63  
  64              $components = [];
  65  
  66              // Search for components supporting Fieldgroups - suppose that these components support fields as well
  67              foreach ($items as &$item) {
  68                  $availableActions = Access::getActionsFromFile(
  69                      JPATH_ADMINISTRATOR . '/components/' . $item->value . '/access.xml',
  70                      "/access/section[@name='fieldgroup']/"
  71                  );
  72  
  73                  if (!empty($availableActions)) {
  74                      // Load language
  75                      $source = JPATH_ADMINISTRATOR . '/components/' . $item->value;
  76                      $lang->load($item->value . 'sys', JPATH_ADMINISTRATOR)
  77                          || $lang->load($item->value . 'sys', $source);
  78  
  79                      // Translate component name
  80                      $item->text = Text::_($item->text);
  81  
  82                      $components[]  = $item;
  83                  }
  84              }
  85  
  86              if (empty($components)) {
  87                  return [];
  88              }
  89  
  90              foreach ($components as $component) {
  91                  // Search for different contexts
  92                  $c = Factory::getApplication()->bootComponent($component->value);
  93  
  94                  if ($c instanceof FieldsServiceInterface) {
  95                      $contexts = $c->getContexts();
  96  
  97                      foreach ($contexts as $context) {
  98                          $newOption = new \stdClass();
  99                          $newOption->value = strtolower($component->value . '.' . $context);
 100                          $newOption->text = $component->text . ' - ' . Text::_($context);
 101                          $options[] = $newOption;
 102                      }
 103                  } else {
 104                      $options[] = $component;
 105                  }
 106              }
 107  
 108              // Sort by name
 109              $items = ArrayHelper::sortObjects($options, 'text', 1, true, true);
 110          }
 111  
 112          // Merge any additional options in the XML definition.
 113          $options = array_merge(parent::getOptions(), $items);
 114  
 115          return $options;
 116      }
 117  }