comment_ajax_pager.module in Comments ajax pager 8

File

comment_ajax_pager.module

<?php

use Drupal\Component\Utility\Html;
use Drupal\Core\Url;

/**
 * Implements hook_entity_display_build_alter().
 */
function comment_ajax_pager_entity_display_build_alter(&$build, $context) {
  foreach ($build as $field_name => $field) {
    if (!empty($field['#field_type']) && $field['#field_type'] === 'comment') {
      $build[$field_name]['#attributes']['data-ajax_comment_pager'] = $context['entity']
        ->id();
      $build[$field_name]['#attached']['library'][] = 'comment_ajax_pager/comment_ajax_pager.js';
      $build[$field_name]['#attached']['drupalSettings']['comment_ajax_pager'][$context['entity']
        ->id()] = [
        'ajax_pager' => [
          'entity_id' => $context['entity']
            ->id(),
          'field_name' => $field['#field_name'],
          'entity_type' => $field['#entity_type'],
          'bundle' => $field['#bundle'],
          'comment_type' => $field['#items']
            ->getFieldDefinition()
            ->getSetting('comment_type'),
          'default_mode' => $field['#items']
            ->getFieldDefinition()
            ->getSetting('default_mode'),
        ],
        'ajax_url' => Url::fromRoute('comment_ajax_pager.api')
          ->toString(),
      ];
      $config = \Drupal::config('field.field.' . $field['#entity_type'] . '.' . $field['#bundle'] . '.' . $field['#field_name'])
        ->get();
      $build[$field_name][0]['comments']['#prefix'] = '<div class="comments_ajax_pager_wrap">';
      $build[$field_name][0]['comments']['#suffix'] = '</div>';
      if (!empty(\Drupal::config('comment_ajax_pager.settings')
        ->get('settings.' . $field['#entity_type'] . '.' . $field['#bundle'] . '.' . $field['#field_name'] . '.on')) && !empty($build[$field_name][0]['comments']['pager'])) {
        $text = \Drupal::config('comment_ajax_pager.settings')
          ->get('settings.' . $field['#entity_type'] . '.' . $field['#bundle'] . '.' . $field['#field_name'] . '.text');
        if (empty($text)) {
          $text = 'Load more';
        }
        $text = t($text, [
          '@per_page@' => $config['settings']['per_page'],
        ]);
        $build[$field_name][0]['comments']['pager']['#prefix'] = '<div class="comment_load_more_pager" data-text="' . $text . '">';
        $build[$field_name][0]['comments']['pager']['#suffix'] = '</div>';
      }
    }
  }
}

/**
 * Implements hook_form_alter().
 */
function comment_ajax_pager_form_alter(&$form, \Drupal\Core\Form\FormStateInterface $form_state, $form_id) {
  switch ($form_id) {
    case 'field_config_edit_form':
      if (!empty($form['settings']['per_page'])) {
        $entity = $form['#entity'];
        $entityTypeId = $entity
          ->getEntityTypeId();
        $bundle = $entity
          ->bundle();
        $field_name = $form['default_value']['widget']['#field_name'];
        $form['settings']['load_more'] = [
          '#type' => 'details',
          '#title' => 'Load more',
        ];
        $form['settings']['load_more']['on'] = [
          '#type' => 'checkbox',
          '#title' => 'Load more',
          '#default_value' => \Drupal::config('comment_ajax_pager.settings')
            ->get('settings.' . $entityTypeId . '.' . $bundle . '.' . $field_name . '.on'),
        ];
        $form['settings']['load_more']['text'] = [
          '#type' => 'textfield',
          '#field_prefix' => 't(',
          '#field_suffix' => ')',
          '#states' => [
            'visible' => [
              'input[name="settings[load_more][on]"]' => [
                'checked' => TRUE,
              ],
            ],
          ],
          '#description' => '@per_page@ - ' . $form['settings']['per_page']['#title'],
          '#default_value' => \Drupal::config('comment_ajax_pager.settings')
            ->get('settings.' . $entityTypeId . '.' . $bundle . '.' . $field_name . '.text'),
        ];
        $form['actions']['submit']['#submit'][] = 'comment_ajax_pager_settings_submit';
      }
      break;
  }
}
function comment_ajax_pager_settings_submit($form, $form_state) {
  if (!empty($form['#entity'])) {
    $values = $form_state
      ->getValues();
    $entity = $form['#entity'];
    $entityTypeId = $entity
      ->getEntityTypeId();
    $bundle = $entity
      ->bundle();
    $field_name = $form['default_value']['widget']['#field_name'];
    $config = \Drupal::configFactory()
      ->getEditable('comment_ajax_pager.settings');
    $OldSettings = \Drupal::config('comment_ajax_pager.settings')
      ->get('settings');
    if (empty($OldSettings)) {
      $OldSettings = [];
    }
    $OldSettings[$entityTypeId][$bundle][$field_name] = $values['settings']['load_more'];
    $config
      ->set('settings', $OldSettings);
    $config
      ->save();
  }
}

Functions

Name	Description
comment_ajax_pager_entity_display_build_alter	Implements hook_entity_display_build_alter().
comment_ajax_pager_form_alter	Implements hook_form_alter().
comment_ajax_pager_settings_submit