class OfficeHoursDefaultWidget in Office Hours 8
Plugin implementation of the 'office_hours_default' widget.
Plugin annotation
@FieldWidget(
  id = "office_hours_default",
  label = @Translation("Office hours (week)"),
  field_types = {
    "office_hours",
  },
  multiple_values = "FALSE",
)
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\office_hours\Plugin\Field\FieldWidget\OfficeHoursWidgetBase- class \Drupal\office_hours\Plugin\Field\FieldWidget\OfficeHoursDefaultWidget
 
 
- class \Drupal\office_hours\Plugin\Field\FieldWidget\OfficeHoursWidgetBase
 
- 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 OfficeHoursDefaultWidget
File
- src/Plugin/ Field/ FieldWidget/ OfficeHoursDefaultWidget.php, line 22 
Namespace
Drupal\office_hours\Plugin\Field\FieldWidgetView source
class OfficeHoursDefaultWidget extends OfficeHoursWidgetBase {
  /**
   * Special handling to create form elements for multiple values.
   *
   * Removed the added generic features for multiple fields:
   * - Number of widgets;
   * - AHAH 'add more' button;
   * - Table display and drag-n-drop value reordering.
   * N.B. This is never called with Annotation: multiple_values = "FALSE".
   *
   * {@inheritdoc}
   */
  protected function formMultipleElements(FieldItemListInterface $items, array &$form, FormStateInterface $form_state) {
    $field_cardinality = $this->fieldDefinition
      ->getFieldStorageDefinition()
      ->getCardinality();
    if ($field_cardinality == FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED) {
      $this->fieldDefinition
        ->getFieldStorageDefinition()
        ->setCardinality($this
        ->getFieldSetting('cardinality_per_day') * 7);
    }
    $elements = parent::formMultipleElements($items, $form, $form_state);
    // Remove the 'drag-n-drop reordering' element.
    $elements['#cardinality_multiple'] = FALSE;
    // Remove the little 'Weight for row n' box.
    unset($elements[0]['_weight']);
    return $elements;
  }
  /**
   * {@inheritdoc}
   */
  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
    // In D8, we have a (deliberate) anomaly in the widget.
    // We prepare 1 widget for the whole week, but the field has unlimited cardinality.
    // So with $delta = 0, we already show ALL values.
    if ($delta > 0) {
      return [];
    }
    $element = parent::formElement($items, $delta, $element, $form, $form_state);
    // Create an indexed two level array of time slots.
    // - First level are day numbers.
    // - Second level contains field values arranged by $day_delta.
    $indexed_items = array_fill_keys(range(0, 6), []);
    foreach ($items as $index => $item) {
      $value_of_item = $item
        ->getValue();
      if ($item && !empty($value_of_item)) {
        $indexed_items[(int) $value_of_item['day']][] = $item;
      }
    }
    // Build elements, sorted by first_day_of_week.
    $elements = [];
    $days = OfficeHoursDateHelper::weekDaysOrdered(range(0, 6));
    $day_names = OfficeHoursDateHelper::weekDays(FALSE);
    $cardinality = $this
      ->getFieldSetting('cardinality_per_day');
    foreach ($days as $day) {
      // @todo The theme_function clears values above cardinality. Move it here.
      for ($day_delta = 0; $day_delta < $cardinality; $day_delta++) {
        $default_value = [
          'day' => $day,
          'day_delta' => $day_delta,
        ];
        $default_value = isset($indexed_items[$day][$day_delta]) ? $indexed_items[$day][$day_delta]
          ->getValue() + $default_value : $default_value;
        $elements[] = [
          '#day' => $day,
          '#daydelta' => $day_delta,
          '#dayname' => $day_names[$day],
          '#type' => 'office_hours_slot',
          '#default_value' => $default_value,
          '#field_settings' => $element['#field_settings'],
          '#date_element_type' => $this
            ->getSetting('date_element_type'),
        ];
      }
    }
    // Build multi element widget. Copy the description, etc. into the table.
    $header = [
      'title' => $this
        ->t($element['#title']),
      'from' => $this
        ->t('From', [], [
        'context' => 'A point in time',
      ]),
      'to' => $this
        ->t('To', [], [
        'context' => 'A point in time',
      ]),
    ];
    if ($element['#field_settings']['comment']) {
      $header['comment'] = $this
        ->t('Comment');
    }
    $header['operations'] = $this
      ->t('Operations');
    $element['value'] = [
      '#type' => 'office_hours_table',
      '#header' => $header,
      '#tableselect' => FALSE,
      '#tabledrag' => FALSE,
    ] + $element['value'] + $elements;
    // Wrap the table in a collapsible fieldset, which is th only way(?)
    // to show the 'required' asterisk and the help text.
    // The help text is now shown above the table, as requested by some users.
    // N.B. For some reason, the title is shown in Capitals.
    $element['#type'] = 'details';
    // Controls the HTML5 'open' attribute. Defaults to FALSE.
    $element['#open'] = TRUE;
    // Remove field_name from first column.
    $element['value']['#header']['title'] = NULL;
    return $element;
  }
  /**
   * {@inheritdoc}
   */
  public function massageFormValues(array $values, array $form, FormStateInterface $form_state) {
    // See also function formElement(), formMultipleElements().
    // Reformat the $values, before passing to database.
    $multiple_values = $this
      ->getPluginDefinition()['multiple_values'];
    if ($multiple_values == 'FALSE') {
      // Below line works fine with Annotation: multiple_values = "FALSE".
      $values = $values['value'];
    }
    elseif ($multiple_values == 'TRUE') {
      // Below lines should work fine with Annotation: multiple_values = "TRUE".
      $values = reset($values)['value'];
    }
    $values = parent::massageFormValues($values, $form, $form_state);
    return $values;
  }
}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. | |
| OfficeHoursDefaultWidget:: | public | function | Returns the form for a single field widget. Overrides OfficeHoursWidgetBase:: | |
| OfficeHoursDefaultWidget:: | protected | function | Special handling to create form elements for multiple values. Overrides WidgetBase:: | |
| OfficeHoursDefaultWidget:: | public | function | Massages the form values into the format expected for field values. Overrides OfficeHoursWidgetBase:: | |
| 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 static | function | Defines the default settings for this plugin. Overrides PluginSettingsInterface:: | 42 | 
| 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. | |
| 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 | Assigns a field-level validation error to the right widget sub-element. Overrides WidgetInterface:: | 8 | 
| 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 | 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 | Returns a form to configure settings for the widget. Overrides WidgetInterface:: | 16 | 
| WidgetBase:: | public | function | Returns a short summary for the current widget settings. Overrides WidgetInterface:: | 15 | 
| 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 | 
