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class TextareaWithCounterWidget in Textfield Counter 8

Plugin implementation of the 'text_textarea_with_counter' widget.

Plugin annotation


@FieldWidget(
  id = "text_textarea_with_counter",
  label = @Translation("Textarea (multiple rows) with counter"),
  field_types = {
    "text_long"
  }
)

Hierarchy

Expanded class hierarchy of TextareaWithCounterWidget

File

src/Plugin/Field/FieldWidget/TextareaWithCounterWidget.php, line 20

Namespace

Drupal\textfield_counter\Plugin\Field\FieldWidget
View source 
class TextareaWithCounterWidget extends TextareaWidget {
  use TextFieldCounterWidgetTrait;

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return [
      'maxlength' => 0,
      'counter_position' => 'after',
      'js_prevent_submit' => TRUE,
      'count_html_characters' => TRUE,
      'textcount_status_message' => self::getDefaultTextCountStatusMessage(),
    ] + parent::defaultSettings();
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $form = parent::settingsForm($form, $form_state);
    $this
      ->addMaxlengthSettingsFormElement($form);
    $this
      ->addCounterPositionSettingsFormElement($form);
    $this
      ->addJsPreventSubmitSettingsFormElement($form);
    $this
      ->addCountHtmlSettingsFormElement($form);
    $this
      ->addTextCountStatusMessageSettingsFormElement($form);
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    $summary = parent::settingsSummary();
    $this
      ->addMaxlengthSummary($summary);
    $this
      ->addPositionSummary($summary);
    $this
      ->addJsSubmitPreventSummary($summary);
    $this
      ->addCountHtmlSummary($summary);
    $this
      ->addTextCountStatusMessageSummary($summary);
    return $summary;
  }

  /**
   * {@inheritdoc}
   */
  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
    $element = parent::formElement($items, $delta, $element, $form, $form_state);
    if ($maxlength = $this
      ->getSetting('maxlength')) {
      $entity = $items
        ->getEntity();
      $field_defintion = $items
        ->getFieldDefinition();
      $this
        ->fieldFormElement($element, $entity, $field_defintion, $delta);
      $count_html_characters = $this
        ->getSetting('count_html_characters');
      if (isset($element['value'])) {
        $element['value']['#textfield-maxlength'] = $maxlength;
        $element['value']['#textfield-count-html'] = $count_html_characters;
      }
      $element['#textfield-maxlength'] = $maxlength;
      $element['#textfield-count-html'] = $count_html_characters;
      $classes = class_uses($this);
      if (count($classes)) {
        $element['#element_validate'][] = [
          array_pop($classes),
          'validateFieldFormElement',
        ];
      }
    }
    return $element;
  }

}

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::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 $settings.
PluginSettingsBase::onDependencyRemoval public function Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsInterface::onDependencyRemoval 3
PluginSettingsBase::setSetting public function Sets the value of a setting for the plugin. Overrides PluginSettingsInterface::setSetting
PluginSettingsBase::setSettings public function Sets the settings for the plugin. Overrides PluginSettingsInterface::setSettings
PluginSettingsBase::setThirdPartySetting public function Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface::setThirdPartySetting
PluginSettingsBase::unsetThirdPartySetting public function Unsets a third-party setting. Overrides ThirdPartySettingsInterface::unsetThirdPartySetting
StringTranslationTrait::$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.
TextareaWidget::errorElement public function Assigns a field-level validation error to the right widget sub-element. Overrides WidgetBase::errorElement 1
TextareaWithCounterWidget::defaultSettings public static function Defines the default settings for this plugin. Overrides StringTextareaWidget::defaultSettings
TextareaWithCounterWidget::formElement public function Returns the form for a single field widget. Overrides TextareaWidget::formElement
TextareaWithCounterWidget::settingsForm public function Returns a form to configure settings for the widget. Overrides TextareaWidget::settingsForm
TextareaWithCounterWidget::settingsSummary public function Returns a short summary for the current widget settings. Overrides StringTextareaWidget::settingsSummary
TextFieldCounterWidgetTrait::addCounterPositionSettingsFormElement public function Adds a form element to set the position of the text counter.
TextFieldCounterWidgetTrait::addCountHtmlSettingsFormElement public function Adds a form element to determine whether HTML characters should be counted.
TextFieldCounterWidgetTrait::addCountHtmlSummary public function Adds the summary of the count_html_characters setting.
TextFieldCounterWidgetTrait::addJsPreventSubmitSettingsFormElement public function Adds a form element to toggle JS prevention of form submission on error.
TextFieldCounterWidgetTrait::addJsSubmitPreventSummary public function Adds the summary of the js_prevent_submit setting.
TextFieldCounterWidgetTrait::addMaxlengthSettingsFormElement public function Adds a form element to set the maximum number of characters allowed.
TextFieldCounterWidgetTrait::addMaxlengthSummary public function Adds the summary of the maximum number of allowed characters.
TextFieldCounterWidgetTrait::addPositionSummary public function Adds the summary of the position of the textfield counter.
TextFieldCounterWidgetTrait::addTextCountStatusMessageSettingsFormElement public function Adds a form element to set the status message to be shown to users.
TextFieldCounterWidgetTrait::addTextCountStatusMessageSummary public function Adds the summary of the count_html_characters setting.
TextFieldCounterWidgetTrait::fieldFormElement public function Sets up the form element with the textfield counter.
TextFieldCounterWidgetTrait::getDefaultTextCountStatusMessage public static function Get the default value for the textcount_status_message widget setting.
TextFieldCounterWidgetTrait::getLengthOfSubmittedValue protected static function Get the length of the submitted text value.
TextFieldCounterWidgetTrait::translateValue private function A unified translation function to translate values provided by this module.
TextFieldCounterWidgetTrait::validateFieldFormElement public static function Validates the field for the maximum number of characters.
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::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::massageFormValues public function Massages the form values into the format expected for field values. Overrides WidgetInterface::massageFormValues 7
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