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class RedirectSourceWidget in Redirect 8

Plugin implementation of the 'link' widget for the redirect module.

Note that this field is meant only for the source field of the redirect entity as it drops validation for non existing paths.

Plugin annotation


@FieldWidget(
  id = "redirect_source",
  label = @Translation("Redirect source"),
  field_types = {
    "link"
  },
  settings = {
    "placeholder_url" = "",
    "placeholder_title" = ""
  }
)

Hierarchy

Expanded class hierarchy of RedirectSourceWidget

File

src/Plugin/Field/FieldWidget/RedirectSourceWidget.php, line 32

Namespace

Drupal\redirect\Plugin\Field\FieldWidget
View source
class RedirectSourceWidget extends WidgetBase {

  /**
   * {@inheritdoc}
   */
  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
    $default_url_value = $items[$delta]->path;
    if ($items[$delta]->query) {
      $default_url_value .= '?' . http_build_query($items[$delta]->query);
    }
    $element['path'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Path'),
      '#placeholder' => $this
        ->getSetting('placeholder_url'),
      '#default_value' => $default_url_value,
      '#maxlength' => 2048,
      '#required' => $element['#required'],
      '#field_prefix' => Url::fromRoute('<front>', [], [
        'absolute' => TRUE,
      ])
        ->toString(),
      '#attributes' => [
        'data-disable-refocus' => 'true',
      ],
    ];

    // If creating new URL add checks.
    if ($items
      ->getEntity()
      ->isNew()) {
      $element['status_box'] = [
        '#prefix' => '<div id="redirect-link-status">',
        '#suffix' => '</div>',
      ];
      $source_path = $form_state
        ->getValue([
        'redirect_source',
        0,
        'path',
      ]);
      if ($source_path) {
        $source_path = trim($source_path);

        // Warning about creating a redirect from a valid path.
        // @todo - Hmm... exception driven logic. Find a better way how to
        //   determine if we have a valid path.
        try {
          \Drupal::service('router')
            ->match('/' . $form_state
            ->getValue([
            'redirect_source',
            0,
            'path',
          ]));
          $element['status_box'][]['#markup'] = '<div class="messages messages--warning">' . $this
            ->t('The source path %path is likely a valid path. It is preferred to <a href="@url-alias">create URL aliases</a> for existing paths rather than redirects.', [
            '%path' => $source_path,
            '@url-alias' => Url::fromRoute('entity.path_alias.add_form')
              ->toString(),
          ]) . '</div>';
        } catch (ResourceNotFoundException $e) {

          // Do nothing, expected behaviour.
        } catch (AccessDeniedHttpException $e) {

          // @todo Source lookup results in an access denied, deny access?
        }

        // Warning about the path being already redirected.
        $parsed_url = UrlHelper::parse($source_path);
        $path = isset($parsed_url['path']) ? $parsed_url['path'] : NULL;
        if (!empty($path)) {

          /** @var \Drupal\redirect\RedirectRepository $repository */
          $repository = \Drupal::service('redirect.repository');
          $redirects = $repository
            ->findBySourcePath($path);
          if (!empty($redirects)) {
            $redirect = array_shift($redirects);
            $element['status_box'][]['#markup'] = '<div class="messages messages--warning">' . $this
              ->t('The base source path %source is already being redirected. Do you want to <a href="@edit-page">edit the existing redirect</a>?', [
              '%source' => $source_path,
              '@edit-page' => $redirect
                ->toUrl('edit-form')
                ->toString(),
            ]) . '</div>';
          }
        }
      }
      $element['path']['#ajax'] = [
        'callback' => 'redirect_source_link_get_status_messages',
        'wrapper' => 'redirect-link-status',
      ];
    }
    return $element;
  }

  /**
   * {@inheritdoc}
   */
  public function massageFormValues(array $values, array $form, FormStateInterface $form_state) {
    $values = parent::massageFormValues($values, $form, $form_state);

    // It is likely that the url provided for this field is not existing and
    // so the logic in the parent method did not set any defaults. Just run
    // through all url values and add defaults.
    foreach ($values as &$value) {
      if (!empty($value['path'])) {

        // In case we have query process the url.
        if (strpos($value['path'], '?') !== FALSE) {
          $url = UrlHelper::parse($value['path']);
          $value['path'] = $url['path'];
          $value['query'] = $url['query'];
        }
      }
    }
    return $values;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
AllowedTagsXssTrait::allowedTags public function Returns a list of tags allowed by AllowedTagsXssTrait::fieldFilterXss().
AllowedTagsXssTrait::displayAllowedTags public function Returns a human-readable list of allowed tags for display in help texts.
AllowedTagsXssTrait::fieldFilterXss public function Filters an HTML string to prevent XSS vulnerabilities.
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
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
PluginBase::$configuration protected property Configuration information passed into the plugin. 1
PluginBase::$pluginDefinition protected property The plugin implementation definition. 1
PluginBase::$pluginId protected property The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 3
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginSettingsBase::$defaultSettingsMerged protected property Whether default settings have been merged into the current $settings.
PluginSettingsBase::$thirdPartySettings protected property The plugin settings injected by third party modules.
PluginSettingsBase::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies 6
PluginSettingsBase::defaultSettings public static function Defines the default settings for this plugin. Overrides PluginSettingsInterface::defaultSettings 42
PluginSettingsBase::getSetting public function Returns the value of a setting, or its default value if absent. Overrides PluginSettingsInterface::getSetting
PluginSettingsBase::getSettings public function Returns the array of settings, including defaults for missing settings. Overrides PluginSettingsInterface::getSettings
PluginSettingsBase::getThirdPartyProviders public function Gets the list of third parties that store information. Overrides ThirdPartySettingsInterface::getThirdPartyProviders
PluginSettingsBase::getThirdPartySetting public function Gets the value of a third-party setting. Overrides ThirdPartySettingsInterface::getThirdPartySetting
PluginSettingsBase::getThirdPartySettings public function Gets all third-party settings of a given module. Overrides ThirdPartySettingsInterface::getThirdPartySettings
PluginSettingsBase::mergeDefaults protected function Merges default settings values into $settings.
PluginSettingsBase::onDependencyRemoval public function Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsInterface::onDependencyRemoval 3
PluginSettingsBase::setSetting public function Sets the value of a setting for the plugin. Overrides PluginSettingsInterface::setSetting
PluginSettingsBase::setSettings public function Sets the settings for the plugin. Overrides PluginSettingsInterface::setSettings
PluginSettingsBase::setThirdPartySetting public function Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface::setThirdPartySetting
PluginSettingsBase::unsetThirdPartySetting public function Unsets a third-party setting. Overrides ThirdPartySettingsInterface::unsetThirdPartySetting
RedirectSourceWidget::formElement public function Returns the form for a single field widget. Overrides WidgetInterface::formElement
RedirectSourceWidget::massageFormValues public function Massages the form values into the format expected for field values. Overrides WidgetBase::massageFormValues
StringTranslationTrait::$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.
WidgetBase::$fieldDefinition protected property The field definition.
WidgetBase::$settings protected property The widget settings. Overrides PluginSettingsBase::$settings
WidgetBase::addMoreAjax public static function Ajax callback for the "Add another item" button.
WidgetBase::addMoreSubmit public static function Submission handler for the "Add another item" button.
WidgetBase::afterBuild public static function After-build handler for field elements in a form.
WidgetBase::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create 5
WidgetBase::errorElement public function Assigns a field-level validation error to the right widget sub-element. Overrides WidgetInterface::errorElement 8
WidgetBase::extractFormValues public function Extracts field values from submitted form values. Overrides WidgetBaseInterface::extractFormValues 2
WidgetBase::flagErrors public function Reports field-level validation errors against actual form elements. Overrides WidgetBaseInterface::flagErrors 2
WidgetBase::form public function Creates a form element for a field. Overrides WidgetBaseInterface::form 3
WidgetBase::formMultipleElements protected function Special handling to create form elements for multiple values. 1
WidgetBase::formSingleElement protected function Generates the form element for a single copy of the widget.
WidgetBase::getFieldSetting protected function Returns the value of a field setting.
WidgetBase::getFieldSettings protected function Returns the array of field settings.
WidgetBase::getFilteredDescription protected function Returns the filtered field description.
WidgetBase::getWidgetState public static function Retrieves processing information about the widget from $form_state. Overrides WidgetBaseInterface::getWidgetState
WidgetBase::getWidgetStateParents protected static function Returns the location of processing information within $form_state.
WidgetBase::handlesMultipleValues protected function Returns whether the widget handles multiple values.
WidgetBase::isApplicable public static function Returns if the widget can be used for the provided field. Overrides WidgetInterface::isApplicable 4
WidgetBase::isDefaultValueWidget protected function Returns whether the widget used for default value form.
WidgetBase::settingsForm public function Returns a form to configure settings for the widget. Overrides WidgetInterface::settingsForm 16
WidgetBase::settingsSummary public function Returns a short summary for the current widget settings. Overrides WidgetInterface::settingsSummary 15
WidgetBase::setWidgetState public static function Stores processing information about the widget in $form_state. Overrides WidgetBaseInterface::setWidgetState
WidgetBase::__construct public function Constructs a WidgetBase object. Overrides PluginBase::__construct 5