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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\taxonomy\Plugin\views\argument\IndexTidDepthModifier. | |
| */ | |
| namespace Drupal\taxonomy\Plugin\views\argument; | |
| use Drupal\Core\Form\FormStateInterface; | |
| use Drupal\views\Plugin\views\argument\ArgumentPluginBase; | |
| /** | |
| * Argument handler for to modify depth for a previous term. | |
| * | |
| * This handler is actually part of the node table and has some restrictions, | |
| * because it uses a subquery to find nodes with. | |
| * | |
| * @ingroup views_argument_handlers | |
| * | |
| * @ViewsArgument("taxonomy_index_tid_depth_modifier") | |
| */ | |
| class IndexTidDepthModifier extends ArgumentPluginBase { | |
| public function buildOptionsForm(&$form, FormStateInterface $form_state) { } | |
| public function query($group_by = FALSE) { } | |
| public function preQuery() { | |
| // We don't know our argument yet, but it's based upon our position: | |
| $argument = isset($this->view->args[$this->position]) ? $this->view->args[$this->position] : NULL; | |
| if (!is_numeric($argument)) { | |
| return; | |
| } | |
| if ($argument > 10) { | |
| $argument = 10; | |
| } | |
| if ($argument < -10) { | |
| $argument = -10; | |
| } | |
| // figure out which argument preceded us. | |
| $keys = array_reverse(array_keys($this->view->argument)); | |
| $skip = TRUE; | |
| foreach ($keys as $key) { | |
| if ($key == $this->options['id']) { | |
| $skip = FALSE; | |
| continue; | |
| } | |
| if ($skip) { | |
| continue; | |
| } | |
| if (empty($this->view->argument[$key])) { | |
| continue; | |
| } | |
| if (isset($handler)) { | |
| unset($handler); | |
| } | |
| $handler = &$this->view->argument[$key]; | |
| if (empty($handler->definition['accept depth modifier'])) { | |
| continue; | |
| } | |
| // Finally! | |
| $handler->options['depth'] = $argument; | |
| } | |
| } | |
| } |