pdfpreview.module in PDFPreview 8

Generates image previews of PDF files.

File

pdfpreview.module

<?php

/**
 * @file
 * Generates image previews of PDF files.
 */
use Drupal\Core\Entity\EntityInterface;

/**
 * Implements hook_theme().
 */
function pdfpreview_theme($existing, $type, $theme, $path) {
  return [
    'pdfpreview_formatter' => [
      'render element' => 'element',
    ],
  ];
}

/**
 * Implements hook_ENTITY_TYPE_update().
 */
function pdfpreview_file_update(EntityInterface $file) {
  \Drupal::service('pdfpreview.generator')
    ->updatePDFPreview($file);
}

/**
 * Implements hook_ENTITY_TYPE_delete().
 */
function pdfpreview_file_delete(EntityInterface $file) {
  \Drupal::service('pdfpreview.generator')
    ->deletePDFPreview($file);
}

/**
 * Prepares variables for pdfpreview_formatter element templates.
 *
 * Default template: pdfpreview-formatter.html.twig.
 *
 * @param array $variables
 *   An associative array containing:
 *   - element: An associative array containing the properties of the element.
 */
function template_preprocess_pdfpreview_formatter(array &$variables) {
  $settings = $variables['element']['#settings'];
  $variables['tag'] = $settings['tag'];
  $variables['fid'] = $variables['element']['#fid'];
  $variables['description'] = $settings['show_description'] ? $variables['element']['#description'] : '';
}

Functions

Name	Description
pdfpreview_file_delete	Implements hook_ENTITY_TYPE_delete().
pdfpreview_file_update	Implements hook_ENTITY_TYPE_update().
pdfpreview_theme	Implements hook_theme().
template_preprocess_pdfpreview_formatter	Prepares variables for pdfpreview_formatter element templates.