class ShortenShortenForm in Shorten URLs 8
Same name and namespace in other branches
- 8.2 src/Form/ShortenShortenForm.php \Drupal\shorten\Form\ShortenShortenForm
Builds a form which allows shortening of a URL via the UI.
Hierarchy
- class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, LinkGeneratorTrait, RedirectDestinationTrait, UrlGeneratorTrait, StringTranslationTrait- class \Drupal\shorten\Form\ShortenShortenForm
 
Expanded class hierarchy of ShortenShortenForm
1 string reference to 'ShortenShortenForm'
File
- src/Form/ ShortenShortenForm.php, line 12 
Namespace
Drupal\shorten\FormView source
class ShortenShortenForm extends FormBase {
  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'shorten_form_shorten';
  }
  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state, Request $request = NULL) {
    $form_state_values = $form_state
      ->getValues();
    $storage =& $form_state
      ->getStorage();
    $form['#attached']['library'][] = 'shorten/shorten';
    //Form elements between ['opendiv'] and ['closediv'] will be refreshed via AHAH on form submission.
    $form['opendiv'] = array(
      '#markup' => '<div id="shorten_replace">',
    );
    if (empty($storage)) {
      $storage = array(
        'step' => 0,
      );
    }
    if (isset($storage['short_url'])) {
      // This whole "step" business keeps the form element from being cached.
      $form['shortened_url_' . $storage['step']] = array(
        '#type' => 'textfield',
        '#title' => t('Shortened URL'),
        '#default_value' => $storage['short_url'],
        '#size' => 25,
        '#attributes' => array(
          'class' => array(
            'shorten-shortened-url',
          ),
        ),
      );
    }
    $form['url_' . $storage['step']] = array(
      '#type' => 'textfield',
      '#title' => t('URL'),
      '#default_value' => '',
      '#required' => TRUE,
      '#size' => 25,
      '#maxlength' => 2048,
      '#attributes' => array(
        'class' => array(
          'shorten-long-url',
        ),
      ),
    );
    //Form elements between ['opendiv'] and ['closediv'] will be refreshed via AHAH on form submission.
    $form['closediv'] = array(
      '#markup' => '</div>',
    );
    $last_service = NULL;
    if (isset($storage['service'])) {
      $last_service = $storage['service'];
    }
    $service = _shorten_service_form($last_service);
    if (is_array($service)) {
      $form['service'] = $service;
    }
    $form['shorten'] = array(
      '#type' => 'submit',
      '#value' => t('Shorten'),
      '#ajax' => array(
        'callback' => 'shorten_save_js',
        'wrapper' => 'shorten_replace',
        'effect' => 'fade',
        'method' => 'replace',
      ),
    );
    return $form;
  }
  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    $values = $form_state
      ->getValues();
    $storage =& $form_state
      ->getStorage();
    $url = $values['url_' . $storage['step']];
    if (\Drupal\Component\Utility\Unicode::strlen($url) > 4) {
      if (!strpos($url, '.', 1)) {
        $form_state
          ->setErrorByName('url', $this
          ->t('Please enter a valid URL.'));
      }
    }
    else {
      $form_state
        ->setErrorByName('url', $this
        ->t('Please enter a valid URL.'));
    }
  }
  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $values = $form_state
      ->getValues();
    $storage =& $form_state
      ->getStorage();
    $service = '';
    if (isset($values['service'])) {
      $service = $values['service'];
    }
    $shortened = shorten_url($values['url_' . $storage['step']], $service);
    if (isset($values['service'])) {
      $_SESSION['shorten_service'] = $values['service'];
    }
    drupal_set_message($this
      ->t('%original was shortened to %shortened', array(
      '%original' => $values['url_' . $storage['step']],
      '%shortened' => $shortened,
    )));
    $form_state
      ->setRebuild();
    if (empty($storage)) {
      $storage = array();
    }
    $storage['short_url'] = $shortened;
    $storage['service'] = empty($values['service']) ? '' : $values['service'];
    if (isset($storage['step'])) {
      $storage['step']++;
    }
    else {
      $storage['step'] = 0;
    }
    $form_state
      ->setStorage($storage);
  }
}Members
| Name   | Modifiers | Type | Description | Overrides | 
|---|---|---|---|---|
| DependencySerializationTrait:: | protected | property | An array of entity type IDs keyed by the property name of their storages. | |
| DependencySerializationTrait:: | protected | property | An array of service IDs keyed by property name used for serialization. | |
| DependencySerializationTrait:: | public | function | 1 | |
| DependencySerializationTrait:: | public | function | 2 | |
| FormBase:: | protected | property | The config factory. | 1 | 
| FormBase:: | protected | property | The request stack. | 1 | 
| FormBase:: | protected | property | The route match. | |
| FormBase:: | protected | function | Retrieves a configuration object. | |
| FormBase:: | protected | function | Gets the config factory for this form. | 1 | 
| FormBase:: | private | function | Returns the service container. | |
| FormBase:: | public static | function | Instantiates a new instance of this class. Overrides ContainerInjectionInterface:: | 87 | 
| FormBase:: | protected | function | Gets the current user. | |
| FormBase:: | protected | function | Gets the request object. | |
| FormBase:: | protected | function | Gets the route match. | |
| FormBase:: | protected | function | Gets the logger for a specific channel. | |
| FormBase:: | protected | function | Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait:: | |
| FormBase:: | public | function | Resets the configuration factory. | |
| FormBase:: | public | function | Sets the config factory for this form. | |
| FormBase:: | public | function | Sets the request stack object to use. | |
| LinkGeneratorTrait:: | protected | property | The link generator. | 1 | 
| LinkGeneratorTrait:: | protected | function | Returns the link generator. | |
| LinkGeneratorTrait:: | protected | function | Renders a link to a route given a route name and its parameters. | |
| LinkGeneratorTrait:: | public | function | Sets the link generator service. | |
| LoggerChannelTrait:: | protected | property | The logger channel factory service. | |
| LoggerChannelTrait:: | protected | function | Gets the logger for a specific channel. | |
| LoggerChannelTrait:: | public | function | Injects the logger channel factory. | |
| MessengerTrait:: | protected | property | The messenger. | 29 | 
| MessengerTrait:: | public | function | Gets the messenger. | 29 | 
| MessengerTrait:: | public | function | Sets the messenger. | |
| RedirectDestinationTrait:: | protected | property | The redirect destination service. | 1 | 
| RedirectDestinationTrait:: | protected | function | Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url. | |
| RedirectDestinationTrait:: | protected | function | Returns the redirect destination service. | |
| RedirectDestinationTrait:: | public | function | Sets the redirect destination service. | |
| ShortenShortenForm:: | public | function | Form constructor. Overrides FormInterface:: | |
| ShortenShortenForm:: | public | function | Returns a unique string identifying the form. Overrides FormInterface:: | |
| ShortenShortenForm:: | public | function | Form submission handler. Overrides FormInterface:: | |
| ShortenShortenForm:: | public | function | Form validation handler. Overrides FormBase:: | |
| StringTranslationTrait:: | protected | property | The string translation service. | 1 | 
| StringTranslationTrait:: | protected | function | Formats a string containing a count of items. | |
| StringTranslationTrait:: | protected | function | Returns the number of plurals supported by a given language. | |
| StringTranslationTrait:: | protected | function | Gets the string translation service. | |
| StringTranslationTrait:: | public | function | Sets the string translation service to use. | 2 | 
| StringTranslationTrait:: | protected | function | Translates a string to the current language or to a given language. | |
| UrlGeneratorTrait:: | protected | property | The url generator. | |
| UrlGeneratorTrait:: | protected | function | Returns the URL generator service. | |
| UrlGeneratorTrait:: | public | function | Sets the URL generator service. | |
| UrlGeneratorTrait:: | protected | function | Generates a URL or path for a specific route based on the given parameters. | 
