pdf_reader.module in PDF Reader 8

This file defines the theme to render the display formats for pdf files.

File

pdf_reader.module

<?php

/**
 * @file
 * This file defines the theme to render the display formats for pdf files.
 */
use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_theme().
 */
function pdf_reader_theme($existing, $type, $theme, $path) {
  $pdf_reader_theme = [
    'pdf_reader' => [
      'variables' => [
        'service' => NULL,
        'top' => NULL,
        'bottom' => NULL,
        'download_link' => NULL,
        'file_url' => NULL,
        'width' => NULL,
        'height' => NULL,
      ],
    ],
    'pdf_reader_embed' => [
      'variables' => [
        'download_link' => NULL,
        'service' => NULL,
        'top' => NULL,
        'bottom' => NULL,
        'file_url' => NULL,
        'width' => NULL,
        'height' => NULL,
      ],
    ],
    'pdf_reader_js' => [
      'variables' => [
        'file' => NULL,
        'download_link' => NULL,
        'top' => NULL,
        'bottom' => NULL,
        'service' => NULL,
      ],
    ],
  ];
  if (\Drupal::moduleHandler()
    ->moduleExists('colorbox')) {
    $pdf_reader_theme['pdf_reader_colorbox'] = [
      'variables' => [
        'service' => NULL,
        'download_link' => NULL,
        'top' => NULL,
        'bottom' => NULL,
        'file_url' => NULL,
        'file_name' => NULL,
      ],
    ];
  }
  return $pdf_reader_theme;
}

/**
 * Implements hook_help().
 */
function pdf_reader_help($route_name, RouteMatchInterface $route_match) {
  if ($route_name === 'help.page.pdf_reader') {
    $readme_file = file_exists(__DIR__ . '/README.md') ? __DIR__ . '/README.md' : __DIR__ . '/README.txt';
    if (!file_exists($readme_file)) {
      return NULL;
    }
    $text = file_get_contents($readme_file);
    if ($text && !\Drupal::moduleHandler()
      ->moduleExists('markdown')) {
      return '<pre>' . $text . '</pre>';
    }
    else {

      // Use the Markdown filter to render the README.
      $filter_manager = \Drupal::service('plugin.manager.filter');
      $settings = \Drupal::configFactory()
        ->get('markdown.settings')
        ->getRawData();
      $config = [
        'settings' => $settings,
      ];
      $filter = $filter_manager
        ->createInstance('markdown', $config);
      return $filter
        ->process($text, 'en');
    }
  }
  return NULL;
}

Functions

Name	Description
pdf_reader_help	Implements hook_help().
pdf_reader_theme	Implements hook_theme().