public function WelcomeUserNameBlock::build in Welcome Username 8

Builds and returns the renderable array for this block plugin.

If a block should not be rendered because it has no content, then this method must also ensure to return no content: it must then only return an empty array, or an empty array with #cache set (with cacheability metadata indicating the circumstances for it being empty).

Return value

array A renderable array representing the content of the block.

Overrides BlockPluginInterface::build

See also

\Drupal\block\BlockViewBuilder

File

src/Plugin/Block/WelcomeUserNameBlock.php, line 131

Class

WelcomeUserNameBlock

Provides a 'Welcome Username Login/Logout' Block.

Namespace

Drupal\welcome_username\Plugin\Block

Code

public function build() {

  // For anonymous users load a simple login form.
  if ($this->currentUser
    ->isAnonymous()) {
    $form = $this->formBuilder
      ->getForm("Drupal\\user\\Form\\UserLoginForm");

    // Placeholders.
    $form['name']['#attributes']['placeholder'] = $form['name']['#description'];
    unset($form['name']['#description']);
    $form['pass']['#attributes']['placeholder'] = $form['pass']['#description'];
    unset($form['pass']['#description']);
    $content['login_form'] = $this->renderer
      ->render($form);
  }
  else {
    $config = $this
      ->getConfiguration();

    // Load user object.
    $user_name = $this->currentUser
      ->getDisplayName();

    // Load string from variable table if set.
    $welcome_string = $config['welcome_username_welcome_string'];
    $logout_string = $config['welcome_username_logout_string'];

    // Create a link to the user profile page.
    $content['profile_link'] = Link::fromTextAndUrl(t($welcome_string) . " " . $user_name, Url::fromRoute('user.page'));

    // Create a logout link.
    $content['logout_link'] = Link::fromTextAndUrl(t($logout_string), Url::fromRoute('user.logout'));
  }
  return [
    '#theme' => 'welcome_username_login',
    '#content' => $content,
  ];
}