class TextfieldWithCounterWidget in Textfield Counter 8
Plugin implementation of the 'text_textfield_with_counter' widget.
Plugin annotation
@FieldWidget(
  id = "text_textfield_with_counter",
  label = @Translation("Textfield with counter"),
  field_types = {
    "text"
  },
)
Hierarchy
- class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface- class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait- class \Drupal\Core\Field\PluginSettingsBase implements DependentPluginInterface, PluginSettingsInterface- class \Drupal\Core\Field\WidgetBase implements WidgetInterface, ContainerFactoryPluginInterface uses AllowedTagsXssTrait- class \Drupal\Core\Field\Plugin\Field\FieldWidget\StringTextfieldWidget- class \Drupal\text\Plugin\Field\FieldWidget\TextfieldWidget- class \Drupal\textfield_counter\Plugin\Field\FieldWidget\TextfieldWithCounterWidget uses TextFieldCounterWidgetTrait
 
 
- class \Drupal\text\Plugin\Field\FieldWidget\TextfieldWidget
 
- class \Drupal\Core\Field\Plugin\Field\FieldWidget\StringTextfieldWidget
 
- class \Drupal\Core\Field\WidgetBase implements WidgetInterface, ContainerFactoryPluginInterface uses AllowedTagsXssTrait
 
- class \Drupal\Core\Field\PluginSettingsBase implements DependentPluginInterface, PluginSettingsInterface
 
- class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
Expanded class hierarchy of TextfieldWithCounterWidget
File
- src/Plugin/ Field/ FieldWidget/ TextfieldWithCounterWidget.php, line 20 
Namespace
Drupal\textfield_counter\Plugin\Field\FieldWidgetView source
class TextfieldWithCounterWidget extends TextfieldWidget {
  use TextFieldCounterWidgetTrait;
  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return [
      'use_field_maxlength' => 0,
      '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, TRUE);
    $this
      ->addCounterPositionSettingsFormElement($form, TRUE);
    $this
      ->addJsPreventSubmitSettingsFormElement($form, TRUE);
    $this
      ->addCountHtmlSettingsFormElement($form, TRUE);
    $this
      ->addTextCountStatusMessageSettingsFormElement($form, TRUE);
    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);
    $maxlength = $this
      ->getSetting('use_field_maxlength') ? $this
      ->getFieldSetting('max_length') : $this
      ->getSetting('maxlength');
    if ($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
| Name   | Modifiers | Type | Description | Overrides | 
|---|---|---|---|---|
| AllowedTagsXssTrait:: | public | function | Returns a list of tags allowed by AllowedTagsXssTrait::fieldFilterXss(). | |
| AllowedTagsXssTrait:: | public | function | Returns a human-readable list of allowed tags for display in help texts. | |
| AllowedTagsXssTrait:: | public | function | Filters an HTML string to prevent XSS vulnerabilities. | |
| 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 | |
| MessengerTrait:: | protected | property | The messenger. | 29 | 
| MessengerTrait:: | public | function | Gets the messenger. | 29 | 
| MessengerTrait:: | public | function | Sets the messenger. | |
| PluginBase:: | protected | property | Configuration information passed into the plugin. | 1 | 
| PluginBase:: | protected | property | The plugin implementation definition. | 1 | 
| PluginBase:: | protected | property | The plugin_id. | |
| PluginBase:: | constant | A string which is used to separate base plugin IDs from the derivative ID. | ||
| PluginBase:: | public | function | Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface:: | |
| PluginBase:: | public | function | Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface:: | |
| PluginBase:: | public | function | Gets the definition of the plugin implementation. Overrides PluginInspectionInterface:: | 3 | 
| PluginBase:: | public | function | Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface:: | |
| PluginBase:: | public | function | Determines if the plugin is configurable. | |
| PluginSettingsBase:: | protected | property | Whether default settings have been merged into the current $settings. | |
| PluginSettingsBase:: | protected | property | The plugin settings injected by third party modules. | |
| PluginSettingsBase:: | public | function | Calculates dependencies for the configured plugin. Overrides DependentPluginInterface:: | 6 | 
| PluginSettingsBase:: | public | function | Returns the value of a setting, or its default value if absent. Overrides PluginSettingsInterface:: | |
| PluginSettingsBase:: | public | function | Returns the array of settings, including defaults for missing settings. Overrides PluginSettingsInterface:: | |
| PluginSettingsBase:: | public | function | Gets the list of third parties that store information. Overrides ThirdPartySettingsInterface:: | |
| PluginSettingsBase:: | public | function | Gets the value of a third-party setting. Overrides ThirdPartySettingsInterface:: | |
| PluginSettingsBase:: | public | function | Gets all third-party settings of a given module. Overrides ThirdPartySettingsInterface:: | |
| PluginSettingsBase:: | protected | function | Merges default settings values into $settings. | |
| PluginSettingsBase:: | public | function | Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsInterface:: | 3 | 
| PluginSettingsBase:: | public | function | Sets the value of a setting for the plugin. Overrides PluginSettingsInterface:: | |
| PluginSettingsBase:: | public | function | Sets the settings for the plugin. Overrides PluginSettingsInterface:: | |
| PluginSettingsBase:: | public | function | Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface:: | |
| PluginSettingsBase:: | public | function | Unsets a third-party setting. Overrides ThirdPartySettingsInterface:: | |
| 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. | |
| TextFieldCounterWidgetTrait:: | public | function | Adds a form element to set the position of the text counter. | |
| TextFieldCounterWidgetTrait:: | public | function | Adds a form element to determine whether HTML characters should be counted. | |
| TextFieldCounterWidgetTrait:: | public | function | Adds the summary of the count_html_characters setting. | |
| TextFieldCounterWidgetTrait:: | public | function | Adds a form element to toggle JS prevention of form submission on error. | |
| TextFieldCounterWidgetTrait:: | public | function | Adds the summary of the js_prevent_submit setting. | |
| TextFieldCounterWidgetTrait:: | public | function | Adds a form element to set the maximum number of characters allowed. | |
| TextFieldCounterWidgetTrait:: | public | function | Adds the summary of the maximum number of allowed characters. | |
| TextFieldCounterWidgetTrait:: | public | function | Adds the summary of the position of the textfield counter. | |
| TextFieldCounterWidgetTrait:: | public | function | Adds a form element to set the status message to be shown to users. | |
| TextFieldCounterWidgetTrait:: | public | function | Adds the summary of the count_html_characters setting. | |
| TextFieldCounterWidgetTrait:: | public | function | Sets up the form element with the textfield counter. | |
| TextFieldCounterWidgetTrait:: | public static | function | Get the default value for the textcount_status_message widget setting. | |
| TextFieldCounterWidgetTrait:: | protected static | function | Get the length of the submitted text value. | |
| TextFieldCounterWidgetTrait:: | private | function | A unified translation function to translate values provided by this module. | |
| TextFieldCounterWidgetTrait:: | public static | function | Validates the field for the maximum number of characters. | |
| TextfieldWidget:: | public | function | Assigns a field-level validation error to the right widget sub-element. Overrides WidgetBase:: | |
| TextfieldWithCounterWidget:: | public static | function | Defines the default settings for this plugin. Overrides StringTextfieldWidget:: | |
| TextfieldWithCounterWidget:: | public | function | Returns the form for a single field widget. Overrides TextfieldWidget:: | |
| TextfieldWithCounterWidget:: | public | function | Returns a form to configure settings for the widget. Overrides StringTextfieldWidget:: | |
| TextfieldWithCounterWidget:: | public | function | Returns a short summary for the current widget settings. Overrides StringTextfieldWidget:: | |
| WidgetBase:: | protected | property | The field definition. | |
| WidgetBase:: | protected | property | The widget settings. Overrides PluginSettingsBase:: | |
| WidgetBase:: | public static | function | Ajax callback for the "Add another item" button. | |
| WidgetBase:: | public static | function | Submission handler for the "Add another item" button. | |
| WidgetBase:: | public static | function | After-build handler for field elements in a form. | |
| WidgetBase:: | public static | function | Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface:: | 5 | 
| WidgetBase:: | public | function | Extracts field values from submitted form values. Overrides WidgetBaseInterface:: | 2 | 
| WidgetBase:: | public | function | Reports field-level validation errors against actual form elements. Overrides WidgetBaseInterface:: | 2 | 
| WidgetBase:: | public | function | Creates a form element for a field. Overrides WidgetBaseInterface:: | 3 | 
| WidgetBase:: | protected | function | Special handling to create form elements for multiple values. | 1 | 
| WidgetBase:: | protected | function | Generates the form element for a single copy of the widget. | |
| WidgetBase:: | protected | function | Returns the value of a field setting. | |
| WidgetBase:: | protected | function | Returns the array of field settings. | |
| WidgetBase:: | protected | function | Returns the filtered field description. | |
| WidgetBase:: | public static | function | Retrieves processing information about the widget from $form_state. Overrides WidgetBaseInterface:: | |
| WidgetBase:: | protected static | function | Returns the location of processing information within $form_state. | |
| WidgetBase:: | protected | function | Returns whether the widget handles multiple values. | |
| WidgetBase:: | public static | function | Returns if the widget can be used for the provided field. Overrides WidgetInterface:: | 4 | 
| WidgetBase:: | protected | function | Returns whether the widget used for default value form. | |
| WidgetBase:: | public | function | Massages the form values into the format expected for field values. Overrides WidgetInterface:: | 7 | 
| WidgetBase:: | public static | function | Stores processing information about the widget in $form_state. Overrides WidgetBaseInterface:: | |
| WidgetBase:: | public | function | Constructs a WidgetBase object. Overrides PluginBase:: | 5 | 
