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   1  <?php
   2  
   3  /**
   4   * @package     Joomla.Administrator
   5   * @subpackage  com_associations
   6   *
   7   * @copyright   (C) 2017 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\Associations\Administrator\Field;
  12  
  13  use Joomla\CMS\Factory;
  14  use Joomla\CMS\Form\Field\ListField;
  15  use Joomla\CMS\Language\LanguageHelper;
  16  use Joomla\Component\Associations\Administrator\Helper\AssociationsHelper;
  17  use Joomla\Utilities\ArrayHelper;
  18  
  19  // phpcs:disable PSR1.Files.SideEffects
  20  \defined('_JEXEC') or die;
  21  // phpcs:enable PSR1.Files.SideEffects
  22  
  23  /**
  24   * Field listing item languages
  25   *
  26   * @since  3.7.0
  27   */
  28  class ItemlanguageField extends ListField
  29  {
  30      /**
  31       * The form field type.
  32       *
  33       * @var    string
  34       * @since  3.7.0
  35       */
  36      protected $type = 'Itemlanguage';
  37  
  38      /**
  39       * Method to get the field options.
  40       *
  41       * @return  array  The field option objects.
  42       *
  43       * @since  3.7.0
  44       */
  45      protected function getOptions()
  46      {
  47          $input = Factory::getApplication()->input;
  48  
  49          list($extensionName, $typeName) = explode('.', $input->get('itemtype', '', 'string'), 2);
  50  
  51          // Get the extension specific helper method
  52          $helper = AssociationsHelper::getExtensionHelper($extensionName);
  53  
  54          $languageField = $helper->getTypeFieldName($typeName, 'language');
  55          $referenceId   = $input->get('id', 0, 'int');
  56          $reference     = ArrayHelper::fromObject(AssociationsHelper::getItem($extensionName, $typeName, $referenceId));
  57          $referenceLang = $reference[$languageField];
  58  
  59          // Get item associations given ID and item type
  60          $associations = AssociationsHelper::getAssociationList($extensionName, $typeName, $referenceId);
  61  
  62          // Check if user can create items in this component item type.
  63          $canCreate = AssociationsHelper::allowAdd($extensionName, $typeName);
  64  
  65          // Gets existing languages.
  66          $existingLanguages = LanguageHelper::getContentLanguages(array(0, 1), false);
  67  
  68          $options = array();
  69  
  70          // Each option has the format "<lang>|<id>", example: "en-GB|1"
  71          foreach ($existingLanguages as $langCode => $language) {
  72              // If language code is equal to reference language we don't need it.
  73              if ($language->lang_code == $referenceLang) {
  74                  continue;
  75              }
  76  
  77              $options[$langCode]       = new \stdClass();
  78              $options[$langCode]->text = $language->title;
  79  
  80              // If association exists in this language.
  81              if (isset($associations[$language->lang_code])) {
  82                  $itemId                    = (int) $associations[$language->lang_code]['id'];
  83                  $options[$langCode]->value = $language->lang_code . ':' . $itemId . ':edit';
  84  
  85                  // Check if user does have permission to edit the associated item.
  86                  $canEdit = AssociationsHelper::allowEdit($extensionName, $typeName, $itemId);
  87  
  88                  // Check if item can be checked out
  89                  $canCheckout = AssociationsHelper::canCheckinItem($extensionName, $typeName, $itemId);
  90  
  91                  // Disable language if user is not allowed to edit the item associated to it.
  92                  $options[$langCode]->disable = !($canEdit && $canCheckout);
  93              } else {
  94                  // New item, id = 0 and disabled if user is not allowed to create new items.
  95                  $options[$langCode]->value = $language->lang_code . ':0:add';
  96  
  97                  // Disable language if user is not allowed to create items.
  98                  $options[$langCode]->disable = !$canCreate;
  99              }
 100          }
 101  
 102          return array_merge(parent::getOptions(), $options);
 103      }
 104  }