glazed_helper.module in Glazed Theme Helper 8

Module file for glazed_helper.

File

glazed_helper.module

<?php

/**
 * @file
 * Module file for glazed_helper.
 */
use Drupal\Component\Utility\Unicode;
use Drupal\Core\Block\BlockPluginInterface;
use Drupal\Core\Entity\Display\EntityViewDisplayInterface;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;

/**
 * Implements hook_toolbar().
 */
function glazed_helper_toolbar() {
  if (\Drupal::currentUser()
    ->hasPermission('Use the administration toolbar') && \Drupal::currentUser()
    ->hasPermission('Administer themes')) {
    $config = \Drupal::config('system.theme');
    $default_theme = $config
      ->get('default');

    // Create the Glazed Helper toolbar render array.
    $items['glazedsettings'] = [
      '#type' => 'toolbar_item',
      'tab' => [
        '#type' => 'link',
        '#title' => t('Theme Settings'),
        '#url' => Url::fromRoute('system.theme_settings_theme', [
          'theme' => $default_theme,
        ]),
        '#attributes' => [
          'title' => t('Glazed Theme Settings'),
          'class' => [
            'toolbar-icon',
            'toolbar-icon-glazed-helper',
          ],
        ],
      ],
      '#weight' => 99,
      '#attached' => [
        'library' => [
          'glazed_helper/glazed_helper.icons',
        ],
      ],
    ];
    return $items;
  }
}

/**
 * Below code adapted from flippy module @see https://www.drupal.org/project/flippy
 * Last updated: 18 Jun 2017 at 08:44 UTC
 */

/**
 * Implements hook_theme()
 */
function glazed_helper_theme() {
  return [
    'flippy' => [
      'variables' => [
        'list' => [],
        'node' => NULL,
      ],
      'template' => 'flippy',
    ],
  ];
}

/**
 * Implements hook_ENTITY_TYPE_view() for node entities.
 */
function glazed_helper_node_view(array &$build, EntityInterface $node, EntityViewDisplayInterface $display, $view_mode) {

  // Only add the pager if it should be used for this node's content type.
  if (\Drupal::service('flippy.pager')
    ->flippy_use_pager($node)) {
    $build['flippy_pager'] = [
      '#theme' => 'flippy',
      '#weight' => 50,
      '#list' => \Drupal::service('flippy.pager')
        ->flippy_build_list($node),
      '#node' => $node,
    ];
    if (is_object($node)) {

      // Add the previous/next elements to the page head, if enable for this
      // content type.
      if (\Drupal::config('flippy.settings')
        ->get('flippy_head_' . $node
        ->getType())) {
        $links = \Drupal::service('flippy.pager')
          ->flippy_build_list($node);
        if (!empty($links['prev']['nid'])) {
          $build['#attached']['html_head_link'][][] = [
            'rel' => 'prev',
            'href' => Url::fromRoute('entity.node.canonical', [
              'node' => $links['prev']['nid'],
            ])
              ->toString(),
          ];
        }
        if (!empty($links['next']['nid'])) {
          $build['#attached']['html_head_link'][][] = [
            'rel' => 'next',
            'href' => Url::fromRoute('entity.node.canonical', [
              'node' => $links['next']['nid'],
            ])
              ->toString(),
          ];
        }
      }
    }
  }
}

/**
 *  Implements template_preprocess_hook()
 */
function template_preprocess_flippy(&$vars) {

  // for getting node type
  if ($node = \Drupal::request()->attributes
    ->get('node')) {
    $vars['node'] = $node;
  }
  $prev_label_markup = '<span class="glazed-icon">' . theme_get_setting('previous_svg') . '</span><span class="nextprev-text">' . t(theme_get_setting('previous_label')) . '</span>';
  $next_label_markup = '<span class="nextprev-text">' . t(theme_get_setting('next_label')) . '</span><span class="glazed-icon">' . theme_get_setting('next_svg') . '</span>';
  $prev_label = \Drupal\Core\Render\Markup::create($prev_label_markup);
  $next_label = \Drupal\Core\Render\Markup::create($next_label_markup);

  // Build the variables for twig
  if ($nav = $vars['list']) {
    if (isset($nav['prev']) && $nav['prev']['nid'] != FALSE) {
      $vars['prev'] = \Drupal::service('flippy.pager')
        ->flippy_generate_link($nav['prev']['nid'], $prev_label);
    }
    if (isset($nav['next']) && $nav['next']['nid'] != FALSE) {
      $vars['next'] = \Drupal::service('flippy.pager')
        ->flippy_generate_link($nav['next']['nid'], $next_label);
    }
  }
  unset($vars['list']);
}

Functions

Name	Description
glazed_helper_node_view	Implements hook_ENTITY_TYPE_view() for node entities.
glazed_helper_theme	Implements hook_theme()
glazed_helper_toolbar	Implements hook_toolbar().
template_preprocess_flippy	Implements template_preprocess_hook()