class NodeExportForm in Node export 8

Provides a Node Export form.

Hierarchy

• class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, LinkGeneratorTrait, RedirectDestinationTrait, UrlGeneratorTrait, StringTranslationTrait
  • class \Drupal\node_Export\Form\NodeExportForm

File

src/Form/NodeExportForm.php, line 12

Namespace

Drupal\node_Export\Form

class NodeExportForm extends FormBase {

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'node_export_form';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {

    // Reads the Node id from URL.
    $nid = \Drupal::routeMatch()
      ->getParameter('node');
    $json = NodeExport::export([
      $nid,
    ], 'json', FALSE);
    $form['export_code'] = [
      '#type' => 'textarea',
      '#value' => $json,
      '#title' => $this
        ->t('Node Export Code is :'),
      '#description' => 'Copy this Code and paste to the import form of new website so as to add these nodes to your new website',
      '#rows' => '15',
    ];
    $form['submit'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Download'),
    ];
    $form['nid'] = [
      '#type' => 'hidden',
      '#value' => $nid,
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $nid = $form_state
      ->getValue('nid');
    $data = $form_state
      ->getValue('export_code');
    $filename = sprintf('node_%s.json', $nid);
    header('Content-Type: application/octet-stream');
    header('Content-Disposition: attachment; filename=' . basename($filename));
    header('Expires: 0');
    header('Cache-Control: must-revalidate');
    header('Pragma: public');
    header('Content-Length: ' . strlen($data));
    print $data;
    exit;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
FormBase::$configFactory	protected	property	The config factory.	1
FormBase::$requestStack	protected	property	The request stack.	1
FormBase::$routeMatch	protected	property	The route match.
FormBase::config	protected	function	Retrieves a configuration object.
FormBase::configFactory	protected	function	Gets the config factory for this form.	1
FormBase::container	private	function	Returns the service container.
FormBase::create	public static	function	Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create	87
FormBase::currentUser	protected	function	Gets the current user.
FormBase::getRequest	protected	function	Gets the request object.
FormBase::getRouteMatch	protected	function	Gets the route match.
FormBase::logger	protected	function	Gets the logger for a specific channel.
FormBase::redirect	protected	function	Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
FormBase::resetConfigFactory	public	function	Resets the configuration factory.
FormBase::setConfigFactory	public	function	Sets the config factory for this form.
FormBase::setRequestStack	public	function	Sets the request stack object to use.
FormBase::validateForm	public	function	Form validation handler. Overrides FormInterface::validateForm	62
LinkGeneratorTrait::$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.
NodeExportForm::buildForm	public	function	Form constructor. Overrides FormInterface::buildForm
NodeExportForm::getFormId	public	function	Returns a unique string identifying the form. Overrides FormInterface::getFormId
NodeExportForm::submitForm	public	function	Form submission handler. Overrides FormInterface::submitForm
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.
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.