openemr.theme

<?php
/**
 * @file
 * Functions to support theming in the theme.
 */

use Drupal\Core\Form\FormStateInterface;
use Drupal\media\Entity\Media;
use Drupal\file\Entity\File;
use Drupal\node\Entity\Node;

function openemr_form_system_theme_settings_alter(&$form, FormStateInterface &$form_state, $form_id = NULL) {
  // Work-around for a core bug affecting admin themes. See issue #943212.
  if (isset($form_id)) {
    return;
  }

  $form['openemr_cover_image_field'] = array(
    '#type'          => 'textfield',
    '#title'         => t('Blog Cover Image Field Name'),
    '#default_value' => theme_get_setting('openemr_cover_image_field'),
    '#description'   => t("Machine name for blog posts."),
  );
}

function openemr_theme_suggestions_block_alter(array &$suggestions, array $vars) {
  if ($node = \Drupal::routeMatch()->getParameter('node')) {
    $last = end($suggestions);
    reset($suggestions);
    $suggestion = $last . '_' . $node->bundle();
    $suggestions[] = $suggestion;
  }
}

function openemr_preprocess_block(array &$vars) {
  if ($node = \Drupal::routeMatch()->getParameter('node')) {
    if ($node->getType() == 'blog_post') {
      $vars['background'] = openemr_create_uri_for_background_image($node);
    }
  }
}

function openemr_preprocess_node(&$variables) {
  $variables['openemr_cover_image_field'] = theme_get_setting('openemr_cover_image_field');
}

function openemr_preprocess_page(&$vars) {
  $fullWidthContentTypes = [
    'blog_post',
  ];

  $vars['container'] = 'container';

  if ($node = \Drupal::routeMatch()->getParameter('node')) {
    if (in_array($node->getType(), $fullWidthContentTypes)) {
      $vars['container'] = 'container-fluid';
    }
  }
}

function openemr_theme_suggestions_page_alter(&$suggestions, $vars, $hook) {
  if ($node = \Drupal::routeMatch()->getParameter('node')) {
    $content_type = $node->bundle();
    $suggestions[] = 'page__' . $content_type;
  }
}

function openemr_create_uri_for_background_image(Node $node) {
  $image_field = theme_get_setting('openemr_cover_image_field');
  if ($image = $node->get($image_field)->first()->getValue()) {
    $media = Media::load($image['target_id']);
    $media_field = $media->get('image')->first()->getValue();
    $file = File::load($media_field['target_id']);
    if ($file) {
      $background = $file->getFileUri();
      return file_create_url($background);
    }
  }
}

function openemr_preprocess_paragraph__banner(&$variables) {
  $paragraph = $variables['paragraph'];
  if (!$paragraph->field_image->isEmpty()) {
    $image = $paragraph->field_image->entity->url();
    $variables['attributes']['style'][] = 'background-image: url("' . $image . '");';
    $variables['attributes']['style'][] = 'background-size: cover;';
    $variables['attributes']['style'][] = 'background-position: center center;';
  }
}