protected function EntityReferenceFilterViewResult::getFilterArgs in Views Reference Filter 8

Get the calculated filter arguments.

Return value

array Calculated arguments.

1 call to EntityReferenceFilterViewResult::getFilterArgs()

EntityReferenceFilterViewResult::getConfiguredViewsOptions in src/Plugin/views/filter/EntityReferenceFilterViewResult.php

Returns options for the selected filter.

File

src/Plugin/views/filter/EntityReferenceFilterViewResult.php, line 245

Class

EntityReferenceFilterViewResult

Filter by entity id using items got from the another view..

Namespace

Drupal\entityreference_filter\Plugin\views\filter

Code

protected function getFilterArgs() {
  $args = [];
  $filters_by_identifier = [];
  $view_args = $this
    ->getViewArgs();
  $view_context_args = $this
    ->getViewContextArgs();
  $reference_arguments = $this->options['reference_arguments'] ?? NULL;
  if (isset($reference_arguments)) {
    $arg_str = trim($reference_arguments);
    if ($arg_str !== '') {
      $args = explode('/', $arg_str);
      foreach ($args as $i => $arg) {
        $arg = trim($arg);
        $first_char = mb_substr($arg, 0, 1);

        // URL argument.
        if ($first_char === '!') {
          $arg_no = (int) mb_substr($arg, 1) - 1;
          if ($arg_no >= 0) {
            $args[$i] = $view_args[$arg_no] ?? NULL;
          }
        }

        // Exposed filter as argument.
        if ($first_char === '[' && mb_substr($arg, -1) === ']') {

          // Collect exposed filters.
          if (empty($filters_by_identifier) && !empty($this->view->filter)) {
            foreach ($this->view->filter as $filter_handler) {
              if (!$filter_handler
                ->isExposed()) {
                continue;
              }
              $filters_by_identifier[$filter_handler->options['expose']['identifier']] = $filter_handler;
            }
          }
          $args[$i] = NULL;
          $filter_name = mb_substr($arg, 1, -1);

          // User input.
          $input = $this->view
            ->getExposedInput();
          if (isset($input[$filter_name])) {
            $args[$i] = $input[$filter_name];
          }
          elseif (isset($filters_by_identifier[$filter_name])) {
            $args[$i] = $filters_by_identifier[$filter_name]->value;
          }

          // Glue multiple values.
          if (is_array($args[$i]) && !empty($args[$i])) {
            $args[$i] = implode('+', $args[$i]);
          }
        }

        // Contextual filter as argument.
        if ($first_char === '#' && !empty($view_context_args)) {
          $arg_no = (int) mb_substr($arg, 1) - 1;
          $args[$i] = $view_context_args[$arg_no] ?? NULL;
        }

        // Overwrite empty values to NULL.
        if ($args[$i] === 'All' || $args[$i] === []) {
          $args[$i] = NULL;
        }
      }
    }
  }
  return $args;
}