class SocialGroupSelectorWidget in Open Social 8.4

A widget to select a group when creating an entity in a group.

Plugin annotation

@FieldWidget(
  id = "social_group_selector_widget",
  label = @Translation("Social group select list"),
  field_types = {
    "entity_reference",
    "list_integer",
    "list_float",
    "list_string"
  },
  multiple_values = TRUE
)

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\OptionsWidgetBase
          • class \Drupal\Core\Field\Plugin\Field\FieldWidget\OptionsSelectWidget
            • class \Drupal\social_group\Plugin\Field\FieldWidget\SocialGroupSelectorWidget implements ContainerFactoryPluginInterface

File

modules/social_features/social_group/src/Plugin/Field/FieldWidget/SocialGroupSelectorWidget.php, line 38

Namespace

Drupal\social_group\Plugin\Field\FieldWidget

class SocialGroupSelectorWidget extends OptionsSelectWidget implements ContainerFactoryPluginInterface {
  protected $configFactory;
  protected $moduleHander;
  protected $currentUser;
  protected $pluginManager;

  /**
   * Creates a SocialGroupSelectorWidget instance.
   *
   * {@inheritdoc}
   */
  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, array $third_party_settings, ConfigFactoryInterface $configFactory, AccountProxyInterface $currentUser, ModuleHandler $moduleHandler, GroupContentEnablerManager $pluginManager) {
    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $third_party_settings);
    $this->configFactory = $configFactory;
    $this->moduleHander = $moduleHandler;
    $this->currentUser = $currentUser;
    $this->pluginManager = $pluginManager;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($plugin_id, $plugin_definition, $configuration['field_definition'], $configuration['settings'], $configuration['third_party_settings'], $container
      ->get('config.factory'), $container
      ->get('current_user'), $container
      ->get('module_handler'), $container
      ->get('plugin.manager.group_content_enabler'));
  }

  /**
   * Returns the array of options for the widget.
   *
   * @param \Drupal\Core\Entity\FieldableEntityInterface $entity
   *   The entity for which to return options.
   *
   * @return array
   *   The array of options for the widget.
   */
  protected function getOptions(FieldableEntityInterface $entity) {
    if (!isset($this->options)) {

      // Must be a node.
      if ($entity
        ->getEntityTypeId() !== 'node') {

        // We only handle nodes. When using this widget on other content types,
        // we simply return the normal options.
        return parent::getOptions($entity);
      }

      // Get the bundle fron the node.
      $entity_type = $entity
        ->bundle();
      $account = $entity
        ->getOwner();

      // Limit the settable options for the current user account.
      $options = $this->fieldDefinition
        ->getFieldStorageDefinition()
        ->getOptionsProvider($this->column, $entity)
        ->getSettableOptions($account);

      // Check for each group type if the content type is installed.
      foreach ($options as $key => $optgroup) {

        // Groups are in the array below.
        if (is_array($optgroup)) {

          // Loop through the groups.
          foreach ($optgroup as $gid => $title) {

            // If the group exists.
            if ($group = Group::load($gid)) {

              // Load all installed plugins for this group type.
              $plugin_ids = $this->pluginManager
                ->getInstalledIds($group
                ->getGroupType());

              // If the bundle is not installed,
              // then unset the entire optiongroup (=group type).
              if (!in_array('group_node:' . $entity_type, $plugin_ids)) {
                unset($options[$key]);
              }
            }

            // We need to check only one of each group type,
            // so break out the second each.
            break;
          }
        }
      }

      // Remove groups the user does not have create access to.
      if (!$account
        ->hasPermission('manage all groups')) {
        $options = $this
          ->removeGroupsWithoutCreateAccess($options, $account, $entity);
      }

      // Add an empty option if the widget needs one.
      if ($empty_label = $this
        ->getEmptyLabel()) {
        $options = [
          '_none' => $empty_label,
        ] + $options;
      }
      $module_handler = $this->moduleHander;
      $context = [
        'fieldDefinition' => $this->fieldDefinition,
        'entity' => $entity,
      ];
      $module_handler
        ->alter('options_list', $options, $context);
      array_walk_recursive($options, [
        $this,
        'sanitizeLabel',
      ]);
      $this->options = $options;
    }
    return $this->options;
  }

  /**
   * {@inheritdoc}
   */
  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
    $element = parent::formElement($items, $delta, $element, $form, $form_state);
    $element['#suffix'] = '<div id="group-selection-result"></div>';
    $element['#ajax'] = [
      'callback' => __CLASS__ . '::validateGroupSelection',
      'effect' => 'fade',
      'event' => 'change',
    ];

    // Unfortunately validateGroupSelection is cast as a static function
    // So I have to add this setting to the form in order to use it later on.
    $default_visibility = $this->configFactory
      ->get('entity_access_by_field.settings')
      ->get('default_visibility');
    $form['default_visibility'] = [
      '#type' => 'value',
      '#value' => $default_visibility,
    ];
    $change_group_node = $this->configFactory
      ->get('social_group.settings')
      ->get('allow_group_selection_in_node');

    /* @var \Drupal\Core\Entity\EntityInterface $entity */
    $entity = $form_state
      ->getFormObject()
      ->getEntity();

    // If it is a new node lets add the current group.
    if (!$entity
      ->id()) {
      $current_group = _social_group_get_current_group();
      if (!empty($current_group) && empty($element['#default_value'])) {
        $element['#default_value'] = [
          $current_group
            ->id(),
        ];
      }
    }
    else {
      if (!$change_group_node && !$this->currentUser
        ->hasPermission('manage all groups')) {
        $element['#disabled'] = TRUE;
        $element['#description'] = t('Moving content after creation function has been disabled. In order to move this content, please contact a site manager.');
      }
    }
    return $element;
  }

  /**
   * Validate the group selection and change the visibility settings.
   *
   * @param array $form
   *   Form to process.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   Form state to process.
   *
   * @return \Drupal\Core\Ajax\AjaxResponse
   *   Response changing values of the visibility field and set status message.
   */
  public static function validateGroupSelection(array $form, FormStateInterface $form_state) {
    $ajax_response = new AjaxResponse();
    $selected_visibility = $form_state
      ->getValue('field_content_visibility');
    if (!empty($selected_visibility)) {
      $selected_visibility = $selected_visibility['0']['value'];
    }
    if ($selected_groups = $form_state
      ->getValue('groups')) {
      foreach ($selected_groups as $selected_group_key => $selected_group) {
        $gid = $selected_group['target_id'];
        $group = Group::load($gid);
        $group_type_id = $group
          ->getGroupType()
          ->id();
        $allowed_visibility_options = social_group_get_allowed_visibility_options_per_group_type($group_type_id);

        // TODO Add support for multiple groups, for now just process 1 group.
        break;
      }
    }
    else {
      $default_visibility = $form_state
        ->getValue('default_visibility');
      $entity = $form_state
        ->getFormObject()
        ->getEntity();
      $allowed_visibility_options = social_group_get_allowed_visibility_options_per_group_type(NULL, NULL, $entity);
      $ajax_response
        ->addCommand(new InvokeCommand('#edit-field-content-visibility-' . $default_visibility, 'prop', [
        'checked',
        'checked',
      ]));
    }
    foreach ($allowed_visibility_options as $visibility => $allowed) {
      $ajax_response
        ->addCommand(new InvokeCommand('#edit-field-content-visibility-' . $visibility, 'addClass', [
        'js--animate-enabled-form-control',
      ]));
      if ($allowed === TRUE) {
        $ajax_response
          ->addCommand(new InvokeCommand('#edit-field-content-visibility-' . $visibility, 'removeAttr', [
          'disabled',
        ]));
        if (empty($default_visibility) || $visibility === $default_visibility) {
          $ajax_response
            ->addCommand(new InvokeCommand('#edit-field-content-visibility-' . $visibility, 'prop', [
            'checked',
            'checked',
          ]));
        }
      }
      else {
        if ($selected_visibility && $selected_visibility === $visibility) {
          $ajax_response
            ->addCommand(new InvokeCommand('#edit-field-content-visibility-' . $visibility, 'removeAttr', [
            'checked',
          ]));
        }
        $ajax_response
          ->addCommand(new InvokeCommand('#edit-field-content-visibility-' . $visibility, 'prop', [
          'disabled',
          'disabled',
        ]));
      }
      $ajax_response
        ->addCommand(new InvokeCommand('#edit-field-content-visibility-' . $visibility, 'change'));
    }
    $text = t('Changing the group may have impact on the <strong>visibility settings</strong>.');
    drupal_set_message($text, 'info');
    $alert = [
      '#type' => 'status_messages',
    ];
    $ajax_response
      ->addCommand(new HtmlCommand('#group-selection-result', $alert));
    return $ajax_response;
  }

  /**
   * Remove options from the list.
   *
   * @param array $options
   *   A list of options to check.
   * @param \Drupal\user\Entity\User $account
   *   The user to check for.
   * @param \Drupal\Core\Entity\EntityInterface $entity
   *   The entity to check for.
   *
   * @return array
   *   An list of options for the field containing groups with create access.
   */
  private function removeGroupsWithoutCreateAccess(array $options, User $account, EntityInterface $entity) {
    foreach ($options as $option_category_key => $groups_in_category) {
      if (is_array($groups_in_category)) {
        foreach ($groups_in_category as $gid => $group_title) {
          if (!$this
            ->checkGroupContentCreateAccess($gid, $account, $entity)) {
            unset($options[$option_category_key][$gid]);
          }
        }

        // Remove the entire category if there are no groups for this author.
        if (empty($options[$option_category_key])) {
          unset($options[$option_category_key]);
        }
      }
      else {
        if (!$this
          ->checkGroupContentCreateAccess($option_category_key, $account, $entity)) {
          unset($options[$option_category_key]);
        }
      }
    }
    return $options;
  }

  /**
   * Check if user may create content of bundle in group.
   *
   * @param int $gid
   *   Group id.
   * @param \Drupal\user\Entity\User $account
   *   The user to check for.
   * @param \Drupal\Core\Entity\EntityInterface $entity
   *   The node bundle to check for.
   *
   * @return int
   *   Either TRUE or FALSE.
   */
  private function checkGroupContentCreateAccess($gid, User $account, EntityInterface $entity) {
    $group = Group::load($gid);
    if ($group
      ->hasPermission('create group_' . $entity
      ->getEntityTypeId() . ':' . $entity
      ->bundle() . ' entity', $account)) {
      if ($group
        ->getGroupType()
        ->id() === 'public_group') {
        $config = $this->configFactory
          ->get('entity_access_by_field.settings');
        if ($config
          ->get('disable_public_visibility') === 1 && !$account
          ->hasPermission('override disabled public visibility')) {
          return FALSE;
        }
      }
      return TRUE;
    }
    return FALSE;
  }

}

Members

Name	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::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
OptionsSelectWidget::getEmptyLabel	protected	function	Returns the empty option label to add to the list of options, if any. Overrides OptionsWidgetBase::getEmptyLabel
OptionsSelectWidget::sanitizeLabel	protected	function	Sanitizes a string label to display as an option. Overrides OptionsWidgetBase::sanitizeLabel
OptionsSelectWidget::supportsGroups	protected	function	Indicates whether the widgets support optgroups. Overrides OptionsWidgetBase::supportsGroups
OptionsWidgetBase::$column	protected	property	Abstract over the actual field columns, to allow different field types to reuse those widgets.
OptionsWidgetBase::getSelectedOptions	protected	function	Determines selected options from the incoming field values.
OptionsWidgetBase::validateElement	public static	function	Form validation handler for widget elements.	1
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 $settings.
PluginSettingsBase::onDependencyRemoval	public	function	Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsInterface::onDependencyRemoval	3
PluginSettingsBase::setSetting	public	function	Sets the value of a setting for the plugin. Overrides PluginSettingsInterface::setSetting
PluginSettingsBase::setSettings	public	function	Sets the settings for the plugin. Overrides PluginSettingsInterface::setSettings
PluginSettingsBase::setThirdPartySetting	public	function	Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface::setThirdPartySetting
PluginSettingsBase::unsetThirdPartySetting	public	function	Unsets a third-party setting. Overrides ThirdPartySettingsInterface::unsetThirdPartySetting
SocialGroupSelectorWidget::$configFactory	protected	property
SocialGroupSelectorWidget::$currentUser	protected	property
SocialGroupSelectorWidget::$moduleHander	protected	property
SocialGroupSelectorWidget::$pluginManager	protected	property
SocialGroupSelectorWidget::checkGroupContentCreateAccess	private	function	Check if user may create content of bundle in group.
SocialGroupSelectorWidget::create	public static	function	Creates an instance of the plugin. Overrides WidgetBase::create
SocialGroupSelectorWidget::formElement	public	function	Returns the form for a single field widget. Overrides OptionsSelectWidget::formElement
SocialGroupSelectorWidget::getOptions	protected	function	Returns the array of options for the widget. Overrides OptionsWidgetBase::getOptions
SocialGroupSelectorWidget::removeGroupsWithoutCreateAccess	private	function	Remove options from the list.
SocialGroupSelectorWidget::validateGroupSelection	public static	function	Validate the group selection and change the visibility settings.
SocialGroupSelectorWidget::__construct	public	function	Creates a SocialGroupSelectorWidget instance. Overrides OptionsWidgetBase::__construct
StringTranslationTrait::$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::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::massageFormValues	public	function	Massages the form values into the format expected for field values. Overrides WidgetInterface::massageFormValues	7
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