PathFilterForm.php

<?php

namespace Drupal\path\Form;

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * Provides the path admin overview filter form.
 *
 * @internal
 */
class PathFilterForm extends FormBase {
    
    /**
     * {@inheritdoc}
     */
    public function getFormId() {
        return 'path_admin_filter_form';
    }
    
    /**
     * {@inheritdoc}
     */
    public function buildForm(array $form, FormStateInterface $form_state, $keys = NULL) {
        $form['#attributes'] = [
            'class' => [
                'search-form',
            ],
        ];
        $form['basic'] = [
            '#type' => 'details',
            '#title' => $this->t('Filter aliases'),
            '#open' => TRUE,
            '#attributes' => [
                'class' => [
                    'container-inline',
                ],
            ],
        ];
        $form['basic']['filter'] = [
            '#type' => 'search',
            '#title' => $this->t('Path alias'),
            '#title_display' => 'invisible',
            '#default_value' => $keys,
            '#maxlength' => 128,
            '#size' => 25,
        ];
        $form['basic']['submit'] = [
            '#type' => 'submit',
            '#value' => $this->t('Filter'),
        ];
        if ($keys) {
            $form['basic']['reset'] = [
                '#type' => 'submit',
                '#value' => $this->t('Reset'),
                '#submit' => [
                    '::resetForm',
                ],
            ];
        }
        return $form;
    }
    
    /**
     * {@inheritdoc}
     */
    public function submitForm(array &$form, FormStateInterface $form_state) {
        $form_state->setRedirect('entity.path_alias.collection', [], [
            'query' => [
                'search' => trim($form_state->getValue('filter')),
            ],
        ]);
    }
    
    /**
     * Resets the filter selections.
     */
    public function resetForm(array &$form, FormStateInterface $form_state) {
        $form_state->setRedirect('entity.path_alias.collection');
    }

}