MixitupFiltersForm.php in MixItUp Views 8.2

Namespace

Drupal\mixitup_views\Form

File

src/Form/MixitupFiltersForm.php

<?php

namespace Drupal\mixitup_views\Form;

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\taxonomy\Entity\Vocabulary;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\mixitup_views\MixitupFunc;

/**
 * Class MixitupFiltersForm.
 *
 * @package Drupal\mixitup_views\Form
 */
class MixitupFiltersForm extends FormBase {

  /**
   * Provides MixItUpFunc Object.
   *
   * @var \Drupal\mixitup_views\MixitupFunc
   */
  protected $mixitupFuncService;

  /**
   * MixitupFiltersForm constructor.
   *
   * @param \Drupal\mixitup_views\MixitupFunc $mixitupFuncService
   *   The MixItUp Func object.
   */
  public function __construct(MixitupFunc $mixitupFuncService) {
    $this->mixitupFuncService = $mixitupFuncService;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('mixitup_views.func_service'));
  }

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'mixitup_views_filters_form';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state, $options = []) {
    $filters = $this->mixitupFuncService
      ->getPopulatedFilters();
    if ($filters !== NULL) {
      foreach ($filters as $vid => $terms) {

        // Show only selected vocabularies.
        if ($options['restrict_vocab'] === 1 && !isset($options['restrict_vocab_ids'][$vid])) {
          unset($filters[$vid]);
          continue;
        }

        // If all nodes have just one term tagged, it doesn't make sense
        // to show a term and clear filters link.
        if (\count($terms) < 2) {
          unset($filters[$vid]);
          continue;
        }
        $vocab = Vocabulary::load($vid);
        if ($vocab !== NULL) {
          $name = $vocab
            ->get('name');
          if (isset($options['filter_type'])) {
            switch ($options['filter_type']) {
              case 'checkboxes':
                $form['filter_' . $vid] = [
                  '#type' => 'checkboxes',
                  '#title' => $name,
                  '#options' => $terms,
                  '#attributes' => [
                    'class' => [
                      'mixitup_views_filter',
                    ],
                    'vid' => $vid,
                  ],
                  '#multiple' => TRUE,
                ];
                break;
              case 'select':
                $form['filter_' . $vid] = [
                  '#type' => 'select',
                  '#title' => $name,
                  '#options' => [
                    '' => $this
                      ->t('All'),
                  ] + $terms,
                  '#attributes' => [
                    'class' => [
                      'mixitup_views_filter',
                    ],
                    'vid' => $vid,
                  ],
                  '#multiple' => FALSE,
                ];
                break;
              case 'buttons':
                $form['filter_' . $vid] = [
                  '#type' => 'fieldset',
                  '#title' => $name,
                  '#attributes' => [
                    'class' => [
                      'mixitup_filter_wrapper',
                    ],
                  ],
                ];
                foreach ([
                  '' => $this
                    ->t('All'),
                ] + $terms as $term_id => $term) {
                  $form['filter_' . $vid]['filter_' . $term] = [
                    '#type' => 'html_tag',
                    '#tag' => 'button',
                    '#value' => $term,
                    '#attributes' => [
                      'type' => 'button',
                      'data-filter' => $term_id,
                      'class' => [
                        'mixitup_views_filter_buttons',
                      ],
                    ],
                  ];
                }
                break;
            }
          }
        }
      }
      if ($filters) {
        $form['reset'] = [
          '#markup' => '<a href="#reset" id="reset">' . $this
            ->t('Reset filters') . '</a>',
        ];
      }
    }
    if (isset($options['use_sort']) && $options['use_sort'] === 1 && isset($options['sorts'])) {
      $form['sort'] = [
        '#theme' => 'mixitup_views_sorting',
        '#sorts' => $options['sorts'],
      ];
    }
    if (isset($options['hide_unchecked_chekboxes']) && $options['hide_unchecked_chekboxes'] === 1) {
      $form['#attached']['drupalSettings']['mixitup_views_filters']['hide_unchecked_checkboxes'] = TRUE;
    }
    else {
      $form['#attached']['drupalSettings']['mixitup_views_filters']['hide_unchecked_checkboxes'] = FALSE;
    }
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $form_state
      ->setCompleteForm($form, $form_state);
  }

}

Classes

Name	Description
MixitupFiltersForm	Class MixitupFiltersForm.