class TcpPdfExampleController in TCPDF 8

Hierarchy

• class \Drupal\Core\Controller\ControllerBase implements ContainerInjectionInterface uses LoggerChannelTrait, MessengerTrait, LinkGeneratorTrait, RedirectDestinationTrait, UrlGeneratorTrait, StringTranslationTrait
  • class \Drupal\tcpdf_example\Controller\TcpPdfExampleController

File

tcpdf_example/src/Controller/TcpPdfExampleController.php, line 13

Contains \Drupal\tcpdf_example\Controller\TcpPdfExampleController

Namespace

Drupal\tcpdf_example\Controller

class TcpPdfExampleController extends ControllerBase {
  public function downloadPdf($example_name) {
    switch ($example_name) {
      case 'simple':
        $pdf = $this
          ->generateSimplePdf();
        break;
      default:
        return $this
          ->t('No such example.');
    }

    // Tell the browser that this is not an HTML file to show, but a pdf file to
    // download.
    header('Content-Type: application/pdf');
    header('Content-Length: ' . strlen($pdf));
    header('Content-Disposition: attachment; filename="mydocument.pdf"');
    print $pdf;
    return [];
  }
  public function exampleContents() {
    $page = [];
    $page['example_pdf_link'] = [
      '#title' => $this
        ->t('Basic pdf'),
      '#type' => 'link',
      '#url' => Url::fromRoute('tcpdf_example.download_pdf', array(
        'example_name' => 'simple',
      )),
    ];
    return $page;
  }

  /**
   * Generates a pdf file using TCPDF module.
   *
   * @return string Binary string of the generated pdf.
   */
  protected function generateSimplePdf() {

    // Get the content we want to convert into pdf.
    $html_template = [
      '#theme' => 'tcpdf_example_basic_html',
    ];
    $html = \Drupal::service('renderer')
      ->render($html_template);

    // Never make an instance of TCPDF or TCPDFDrupal classes manually.
    // Use tcpdf_get_instance() instead.
    $tcpdf = tcpdf_get_instance();

    /* DrupalInitialize() is an extra method added to TCPDFDrupal that initializes
     *  some TCPDF variables (like font types), and makes possible to change the
     *  default header or footer without creating a new class.
     */
    $tcpdf
      ->DrupalInitialize(array(
      'footer' => array(
        'html' => 'This is a test!! <em>Bottom of the page</em>',
      ),
      'header' => array(
        'callback' => array(
          'function' => 'tcpdf_example_default_header',
          // You can pass extra data to your callback.
          'context' => array(
            'welcome_message' => 'Hello, tcpdf example!',
          ),
        ),
      ),
    ));

    // Insert the content. Note that DrupalInitialize automatically adds the first
    // page to the pdf document.
    $tcpdf
      ->writeHTML($html);
    return $tcpdf
      ->Output('', 'S');
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ControllerBase::$configFactory	protected	property	The configuration factory.
ControllerBase::$currentUser	protected	property	The current user service.	1
ControllerBase::$entityFormBuilder	protected	property	The entity form builder.
ControllerBase::$entityManager	protected	property	The entity manager.
ControllerBase::$entityTypeManager	protected	property	The entity type manager.
ControllerBase::$formBuilder	protected	property	The form builder.	2
ControllerBase::$keyValue	protected	property	The key-value storage.	1
ControllerBase::$languageManager	protected	property	The language manager.	1
ControllerBase::$moduleHandler	protected	property	The module handler.	2
ControllerBase::$stateService	protected	property	The state service.
ControllerBase::cache	protected	function	Returns the requested cache bin.
ControllerBase::config	protected	function	Retrieves a configuration object.
ControllerBase::container	private	function	Returns the service container.
ControllerBase::create	public static	function	Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create	40
ControllerBase::currentUser	protected	function	Returns the current user.	1
ControllerBase::entityFormBuilder	protected	function	Retrieves the entity form builder.
ControllerBase::entityManager Deprecated	protected	function	Retrieves the entity manager service.
ControllerBase::entityTypeManager	protected	function	Retrieves the entity type manager.
ControllerBase::formBuilder	protected	function	Returns the form builder service.	2
ControllerBase::keyValue	protected	function	Returns a key/value storage collection.	1
ControllerBase::languageManager	protected	function	Returns the language manager service.	1
ControllerBase::moduleHandler	protected	function	Returns the module handler.	2
ControllerBase::redirect	protected	function	Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
ControllerBase::state	protected	function	Returns the state storage service.
LinkGeneratorTrait::$linkGenerator	protected	property	The link generator.	1
LinkGeneratorTrait::getLinkGenerator Deprecated	protected	function	Returns the link generator.
LinkGeneratorTrait::l Deprecated	protected	function	Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator Deprecated	public	function	Sets the link generator service.
LoggerChannelTrait::$loggerFactory	protected	property	The logger channel factory service.
LoggerChannelTrait::getLogger	protected	function	Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory	public	function	Injects the logger channel factory.
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.	1
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
TcpPdfExampleController::downloadPdf	public	function
TcpPdfExampleController::exampleContents	public	function
TcpPdfExampleController::generateSimplePdf	protected	function	Generates a pdf file using TCPDF module.
UrlGeneratorTrait::$urlGenerator	protected	property	The url generator.
UrlGeneratorTrait::getUrlGenerator Deprecated	protected	function	Returns the URL generator service.
UrlGeneratorTrait::setUrlGenerator Deprecated	public	function	Sets the URL generator service.
UrlGeneratorTrait::url Deprecated	protected	function	Generates a URL or path for a specific route based on the given parameters.