views_load_more.module in Views Load More 2.x

views_load_more.module

A Views pager module to allow new content to be appended to the bottom of a view instead of replacing it.

File

views_load_more.module

<?php

use Drupal\Core\Url;

/**
 * @file views_load_more.module
 *
 * A Views pager module to allow new content to be appended to the bottom
 * of a view instead of replacing it.
 */

// We need to implement our own tpls for items being return via the load-more pager.

/**
 * Implements hook_theme().
 */
function views_load_more_theme() {
  return array(
    'views_load_more_pager' => array(
      'variables' => array(
        'element' => 0,
        'parameters' => array(),
        'more_button_text' => '',
        'end_text' => '',
      ),
      'pattern' => 'views_load_more_pager__',
    ),
  );
}

/**
 * Preprocess function for views_load_more_pager theme hook.
 */
function template_preprocess_views_load_more_pager(&$variables) {
  $element = $variables['element'];
  $parameters = $variables['parameters'];

  /** @var \Drupal\Core\Pager\PagerManagerInterface $pager_manager */
  $pager_manager = \Drupal::service('pager.manager');
  $pager = $pager_manager
    ->getPager($element);
  if (!$pager) {
    return;
  }

  // Calculate various markers within this pager piece:
  // Max is the maximum page number
  $pager_max = $pager
    ->getTotalPages();
  $current = $pager
    ->getCurrentPage();

  // Nothing to do if there is only one page.
  if ($pager_max <= 1) {
    return;
  }

  // Create the "next" link if we are not on the last page.
  if ($current < $pager_max - 1) {
    $options = [
      'query' => $pager_manager
        ->getUpdatedParameters($parameters, $element, $current + 1),
    ];
    $variables['next_url'] = Url::fromRoute('<current>', [], $options)
      ->toString();
  }
}

/**
 * Implements hook_views_pre_render().
 *
 * @param \Drupal\views\ViewExecutable $view
 */
function views_load_more_views_pre_render($view) {
  if ($view
    ->ajaxEnabled() && $view
    ->getPager()
    ->getPluginId() === 'load_more') {
    $view->element['#attached']['library'][] = 'views_load_more/views_load_more';
  }
}

Functions

Name	Description
template_preprocess_views_load_more_pager	Preprocess function for views_load_more_pager theme hook.
views_load_more_theme	Implements hook_theme().
views_load_more_views_pre_render	Implements hook_views_pre_render().