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   1  <?php
   2  
   3  /**
   4   * @package     Joomla.Plugin
   5   * @subpackage  Fields.Sql
   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   * @phpcs:disable PSR1.Classes.ClassDeclaration.MissingNamespace
  11   */
  12  
  13  use Joomla\CMS\Access\Access;
  14  use Joomla\CMS\Form\Form;
  15  use Joomla\CMS\Language\Text;
  16  
  17  // phpcs:disable PSR1.Files.SideEffects
  18  \defined('_JEXEC') or die;
  19  // phpcs:enable PSR1.Files.SideEffects
  20  
  21  /**
  22   * Fields Sql Plugin
  23   *
  24   * @since  3.7.0
  25   */
  26  class PlgFieldsSql extends \Joomla\Component\Fields\Administrator\Plugin\FieldsListPlugin
  27  {
  28      /**
  29       * Transforms the field into a DOM XML element and appends it as a child on the given parent.
  30       *
  31       * @param   stdClass    $field   The field.
  32       * @param   DOMElement  $parent  The field node parent.
  33       * @param   Form        $form    The form.
  34       *
  35       * @return  DOMElement
  36       *
  37       * @since   3.7.0
  38       */
  39      public function onCustomFieldsPrepareDom($field, DOMElement $parent, Form $form)
  40      {
  41          $fieldNode = parent::onCustomFieldsPrepareDom($field, $parent, $form);
  42  
  43          if (!$fieldNode) {
  44              return $fieldNode;
  45          }
  46  
  47          $fieldNode->setAttribute('value_field', 'text');
  48          $fieldNode->setAttribute('key_field', 'value');
  49  
  50          return $fieldNode;
  51      }
  52  
  53      /**
  54       * The save event.
  55       *
  56       * @param   string                   $context  The context
  57       * @param   \Joomla\CMS\Table\Table  $item     The table
  58       * @param   boolean                  $isNew    Is new item
  59       * @param   array                    $data     The validated data
  60       *
  61       * @return  boolean
  62       *
  63       * @since   3.7.0
  64       */
  65      public function onContentBeforeSave($context, $item, $isNew, $data = [])
  66      {
  67          // Only work on new SQL fields
  68          if ($context != 'com_fields.field' || !isset($item->type) || $item->type != 'sql') {
  69              return true;
  70          }
  71  
  72          // If we are not a super admin, don't let the user create or update a SQL field
  73          if (!Access::getAssetRules(1)->allow('core.admin', $this->app->getIdentity()->getAuthorisedGroups())) {
  74              $item->setError(Text::_('PLG_FIELDS_SQL_CREATE_NOT_POSSIBLE'));
  75  
  76              return false;
  77          }
  78  
  79          return true;
  80      }
  81  }