class MediaLibrarySelectForm in Drupal 8

Defines a field that outputs a checkbox and form for selecting media.

@ViewsField("media_library_select_form")

@internal Plugin classes are internal.

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\views\Plugin\views\PluginBase implements DependentPluginInterface, ContainerFactoryPluginInterface, TrustedCallbackInterface, ViewsPluginInterface
      • class \Drupal\views\Plugin\views\HandlerBase implements ViewsHandlerInterface
        • class \Drupal\views\Plugin\views\field\FieldPluginBase implements FieldHandlerInterface
          • class \Drupal\media_library\Plugin\views\field\MediaLibrarySelectForm

File

core/modules/media_library/src/Plugin/views/field/MediaLibrarySelectForm.php, line 23

Namespace

Drupal\media_library\Plugin\views\field

class MediaLibrarySelectForm extends FieldPluginBase {

  /**
   * {@inheritdoc}
   */
  public function getValue(ResultRow $row, $field = NULL) {
    return '<!--form-item-' . $this->options['id'] . '--' . $row->index . '-->';
  }

  /**
   * {@inheritdoc}
   */
  public function render(ResultRow $values) {
    return ViewsRenderPipelineMarkup::create($this
      ->getValue($values));
  }

  /**
   * Form constructor for the media library select form.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   */
  public function viewsForm(array &$form, FormStateInterface $form_state) {
    $form['#attributes']['class'] = [
      'js-media-library-views-form',
    ];

    // Add an attribute that identifies the media type displayed in the form.
    if (isset($this->view->args[0])) {
      $form['#attributes']['data-drupal-media-type'] = $this->view->args[0];
    }

    // Render checkboxes for all rows.
    $form[$this->options['id']]['#tree'] = TRUE;
    foreach ($this->view->result as $row_index => $row) {
      $entity = $this
        ->getEntity($row);
      $form[$this->options['id']][$row_index] = [
        '#type' => 'checkbox',
        '#title' => $this
          ->t('Select @label', [
          '@label' => $entity
            ->label(),
        ]),
        '#title_display' => 'invisible',
        '#return_value' => $entity
          ->id(),
      ];
    }

    // The selection is persistent across different pages in the media library
    // and populated via JavaScript.
    $selection_field_id = $this->options['id'] . '_selection';
    $form[$selection_field_id] = [
      '#type' => 'hidden',
      '#attributes' => [
        // This is used to identify the hidden field in the form via JavaScript.
        'id' => 'media-library-modal-selection',
      ],
    ];

    // @todo Remove in https://www.drupal.org/project/drupal/issues/2504115
    // Currently the default URL for all AJAX form elements is the current URL,
    // not the form action. This causes bugs when this form is rendered from an
    // AJAX path like /views/ajax, which cannot process AJAX form submits.
    $query = $this->view
      ->getRequest()->query
      ->all();
    $query[FormBuilderInterface::AJAX_FORM_REQUEST] = TRUE;
    $query['views_display_id'] = $this->view
      ->getDisplay()->display['id'];
    $form['actions']['submit']['#ajax'] = [
      'url' => Url::fromRoute('media_library.ui'),
      'options' => [
        'query' => $query,
      ],
      'callback' => [
        static::class,
        'updateWidget',
      ],
    ];
    $form['actions']['submit']['#value'] = $this
      ->t('Insert selected');
    $form['actions']['submit']['#button_type'] = 'primary';
    $form['actions']['submit']['#field_id'] = $selection_field_id;

    // By default, the AJAX system tries to move the focus back to the element
    // that triggered the AJAX request. Since the media library is closed after
    // clicking the select button, the focus can't be moved back. We need to set
    // the 'data-disable-refocus' attribute to prevent the AJAX system from
    // moving focus to a random element. The select button triggers an update in
    // the opener, and the opener should be responsible for moving the focus. An
    // example of this can be seen in MediaLibraryWidget::updateWidget().
    // @see \Drupal\media_library\Plugin\Field\FieldWidget\MediaLibraryWidget::updateWidget()
    $form['actions']['submit']['#attributes']['data-disable-refocus'] = 'true';
  }

  /**
   * Submit handler for the media library select form.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The current request.
   *
   * @return \Drupal\Core\Ajax\AjaxResponse
   *   A command to send the selection to the current field widget.
   */
  public static function updateWidget(array &$form, FormStateInterface $form_state, Request $request) {
    $field_id = $form_state
      ->getTriggeringElement()['#field_id'];
    $selected_ids = $form_state
      ->getValue($field_id);
    $selected_ids = $selected_ids ? array_filter(explode(',', $selected_ids)) : [];

    // Allow the opener service to handle the selection.
    $state = MediaLibraryState::fromRequest($request);
    return \Drupal::service('media_library.opener_resolver')
      ->get($state)
      ->getSelectionResponse($state, $selected_ids)
      ->addCommand(new CloseDialogCommand());
  }

  /**
   * {@inheritdoc}
   */
  public function viewsFormValidate(array &$form, FormStateInterface $form_state) {
    $selected = array_filter($form_state
      ->getValue($this->options['id']));
    if (empty($selected)) {
      $form_state
        ->setErrorByName('', $this
        ->t('No items selected.'));
    }
  }

  /**
   * {@inheritdoc}
   */
  public function clickSortable() {
    return FALSE;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
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
FieldPluginBase::$additional_fields	public	property	Stores additional fields which get added to the query.
FieldPluginBase::$aliases	public	property
FieldPluginBase::$field_alias	public	property
FieldPluginBase::$lastRenderIndex	protected	property	Keeps track of the last render index.
FieldPluginBase::$linkGenerator	protected	property	The link generator.
FieldPluginBase::$original_value	public	property	The field value prior to any rewriting.
FieldPluginBase::$renderer	protected	property	Stores the render API renderer. Overrides PluginBase::$renderer	1
FieldPluginBase::addAdditionalFields	protected	function	Add 'additional' fields to the query.
FieldPluginBase::addSelfTokens	protected	function	Add any special tokens this field might use for itself.	4
FieldPluginBase::adminLabel	public	function	Return a string representing this handler's name in the UI. Overrides HandlerBase::adminLabel
FieldPluginBase::adminSummary	public	function	Provide extra data to the administration form Overrides HandlerBase::adminSummary
FieldPluginBase::advancedRender	public	function	Renders a field using advanced settings. Overrides FieldHandlerInterface::advancedRender
FieldPluginBase::allowAdvancedRender	protected	function	Determine if this field can allow advanced rendering.
FieldPluginBase::buildOptionsForm	public	function	Default options form that provides the label widget that all fields should have. Overrides HandlerBase::buildOptionsForm	26
FieldPluginBase::clickSort	public	function	Adds an ORDER BY clause to the query for click sort columns. Overrides FieldHandlerInterface::clickSort	1
FieldPluginBase::defineOptions	protected	function	Information about options for all kinds of purposes will be held here. Overrides HandlerBase::defineOptions	27
FieldPluginBase::documentSelfTokens	protected	function	Document any special tokens this field might use for itself.	3
FieldPluginBase::elementClasses	public	function	Returns the class of the field. Overrides FieldHandlerInterface::elementClasses
FieldPluginBase::elementLabelClasses	public	function	Returns the class of the field's label. Overrides FieldHandlerInterface::elementLabelClasses
FieldPluginBase::elementLabelType	public	function	Returns an HTML element for the label based upon the field's element type. Overrides FieldHandlerInterface::elementLabelType
FieldPluginBase::elementType	public	function	Returns an HTML element based upon the field's element type. Overrides FieldHandlerInterface::elementType	1
FieldPluginBase::elementWrapperClasses	public	function	Returns the class of the field's wrapper. Overrides FieldHandlerInterface::elementWrapperClasses
FieldPluginBase::elementWrapperType	public	function	Returns an HTML element for the wrapper based upon the field's element type. Overrides FieldHandlerInterface::elementWrapperType
FieldPluginBase::getElements	public	function	Provides a list of elements valid for field HTML. Overrides FieldHandlerInterface::getElements
FieldPluginBase::getEntity	public	function	Gets the entity matching the current row and relationship. Overrides FieldHandlerInterface::getEntity
FieldPluginBase::getFieldTokenPlaceholder	protected	function	Returns a token placeholder for the current field.
FieldPluginBase::getPreviousFieldLabels	protected	function	Returns all field labels of fields before this field.
FieldPluginBase::getRenderer	protected	function	Returns the render API renderer. Overrides PluginBase::getRenderer
FieldPluginBase::getRenderTokens	public	function	Gets the 'render' tokens to use for advanced rendering. Overrides FieldHandlerInterface::getRenderTokens
FieldPluginBase::getTokenValuesRecursive	protected	function	Recursive function to add replacements for nested query string parameters.
FieldPluginBase::init	public	function	Initialize the plugin. Overrides HandlerBase::init	14
FieldPluginBase::isValueEmpty	public	function	Checks if a field value is empty. Overrides FieldHandlerInterface::isValueEmpty
FieldPluginBase::label	public	function	Gets this field's label. Overrides FieldHandlerInterface::label
FieldPluginBase::linkGenerator	protected	function	Gets the link generator.
FieldPluginBase::postRender	public	function	Runs after every field has been rendered. Overrides FieldHandlerInterface::postRender
FieldPluginBase::preRender	public	function	Runs before any fields are rendered. Overrides FieldHandlerInterface::preRender	10
FieldPluginBase::query	public	function	Called to add the field to a query. Overrides HandlerBase::query	20
FieldPluginBase::renderAltered	protected	function	Render this field as user-defined altered text.
FieldPluginBase::renderAsLink	protected	function	Render this field as a link, with the info from a fieldset set by the user.
FieldPluginBase::renderText	public	function	Performs an advanced text render for the item. Overrides FieldHandlerInterface::renderText
FieldPluginBase::renderTrimText	protected	function	Trims the field down to the specified length.
FieldPluginBase::RENDER_TEXT_PHASE_COMPLETELY		constant	Indicator of the renderText() method for rendering the whole element. (if no render_item() method is available).
FieldPluginBase::RENDER_TEXT_PHASE_EMPTY		constant	Indicator of the renderText() method for rendering the empty text.
FieldPluginBase::RENDER_TEXT_PHASE_SINGLE_ITEM		constant	Indicator of the renderText() method for rendering a single item. (If no render_item() is present).
FieldPluginBase::submitOptionsForm	public	function	Performs some cleanup tasks on the options array before saving it. Overrides PluginBase::submitOptionsForm	1
FieldPluginBase::theme	public	function	Passes values to drupal_render() using $this->themeFunctions() as #theme. Overrides FieldHandlerInterface::theme
FieldPluginBase::themeFunctions	public	function	Provide a full list of possible theme templates used by this style. Overrides PluginBase::themeFunctions
FieldPluginBase::tokenizeValue	public	function	Replaces a value with tokens from the last field. Overrides FieldHandlerInterface::tokenizeValue
FieldPluginBase::trimText	public static	function	Trims the field down to the specified length.
FieldPluginBase::useStringGroupBy	public	function	Determines if this field will be available as an option to group the result by in the style settings. Overrides FieldHandlerInterface::useStringGroupBy
HandlerBase::$field	public	property	With field you can override the realField if the real field is not set.
HandlerBase::$moduleHandler	protected	property	The module handler.	3
HandlerBase::$query	public	property	Where the $query object will reside:	7
HandlerBase::$realField	public	property	The actual field in the database table, maybe different on other kind of query plugins/special handlers.
HandlerBase::$relationship	public	property	The relationship used for this field.
HandlerBase::$table	public	property	The table this handler is attached to.
HandlerBase::$tableAlias	public	property	The alias of the table of this handler which is used in the query.
HandlerBase::$viewsData	protected	property	The views data service.
HandlerBase::acceptExposedInput	public	function	Take input from exposed handlers and assign to this handler, if necessary.	1
HandlerBase::access	public	function	Check whether given user has access to this handler. Overrides ViewsHandlerInterface::access	4
HandlerBase::breakString	public static	function	Breaks x,y,z and x+y+z into an array. Overrides ViewsHandlerInterface::breakString
HandlerBase::broken	public	function	Determines if the handler is considered 'broken', meaning it's a placeholder used when a handler can't be found. Overrides ViewsHandlerInterface::broken
HandlerBase::buildExposedForm	public	function	Render our chunk of the exposed handler form when selecting	1
HandlerBase::buildExposeForm	public	function	Form for exposed handler options.	2
HandlerBase::buildExtraOptionsForm	public	function	Provide a form for setting options.	1
HandlerBase::buildGroupByForm	public	function	Provide a form for aggregation settings.	1
HandlerBase::calculateDependencies	public	function	Calculates dependencies for the configured plugin. Overrides PluginBase::calculateDependencies	10
HandlerBase::canExpose	public	function	Determine if a handler can be exposed.	2
HandlerBase::caseTransform	protected	function	Transform a string by a certain method.
HandlerBase::defaultExposeOptions	public	function	Set new exposed option defaults when exposed setting is flipped on.	2
HandlerBase::defineExtraOptions	public	function	Provide defaults for the handler.
HandlerBase::displayExposedForm	public	function	Displays the Expose form.
HandlerBase::ensureMyTable	public	function	Ensure the main table for this handler is in the query. This is used a lot. Overrides ViewsHandlerInterface::ensureMyTable	2
HandlerBase::exposedInfo	public	function	Get information about the exposed form for the form renderer.	1
HandlerBase::getDateField	public	function	Creates cross-database SQL dates.	2
HandlerBase::getDateFormat	public	function	Creates cross-database SQL date formatting.	2
HandlerBase::getEntityType	public	function	Determines the entity type used by this handler. Overrides ViewsHandlerInterface::getEntityType
HandlerBase::getField	public	function	Shortcut to get a handler's raw field value. Overrides ViewsHandlerInterface::getField
HandlerBase::getJoin	public	function	Get the join object that should be used for this handler. Overrides ViewsHandlerInterface::getJoin
HandlerBase::getModuleHandler	protected	function	Gets the module handler.
HandlerBase::getTableJoin	public static	function	Fetches a handler to join one table to a primary table from the data cache. Overrides ViewsHandlerInterface::getTableJoin
HandlerBase::getViewsData	protected	function	Gets views data service.
HandlerBase::hasExtraOptions	public	function	If a handler has 'extra options' it will get a little settings widget and another form called extra_options.	1
HandlerBase::isAGroup	public	function	Returns TRUE if the exposed filter works like a grouped filter.	1
HandlerBase::isExposed	public	function	Determine if this item is 'exposed', meaning it provides form elements to let users modify the view.
HandlerBase::multipleExposedInput	public	function	Define if the exposed input has to be submitted multiple times. This is TRUE when exposed filters grouped are using checkboxes as widgets.	1
HandlerBase::placeholder	protected	function	Provides a unique placeholders for handlers.
HandlerBase::postExecute	public	function	Run after the view is executed, before the result is cached. Overrides ViewsHandlerInterface::postExecute
HandlerBase::preQuery	public	function	Run before the view is built. Overrides ViewsHandlerInterface::preQuery	2
HandlerBase::sanitizeValue	public	function	Sanitize the value for output. Overrides ViewsHandlerInterface::sanitizeValue
HandlerBase::setModuleHandler	public	function	Sets the module handler.
HandlerBase::setRelationship	public	function	Called just prior to query(), this lets a handler set up any relationship it needs. Overrides ViewsHandlerInterface::setRelationship
HandlerBase::setViewsData	public	function
HandlerBase::showExposeButton	public	function	Shortcut to display the expose/hide button.	2
HandlerBase::showExposeForm	public	function	Shortcut to display the exposed options form. Overrides ViewsHandlerInterface::showExposeForm
HandlerBase::storeExposedInput	public	function	If set to remember exposed input in the session, store it there.	1
HandlerBase::submitExposed	public	function	Submit the exposed handler form
HandlerBase::submitExposeForm	public	function	Perform any necessary changes to the form exposes prior to storage. There is no need for this function to actually store the data.
HandlerBase::submitExtraOptionsForm	public	function	Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.
HandlerBase::submitFormCalculateOptions	public	function	Calculates options stored on the handler	1
HandlerBase::submitGroupByForm	public	function	Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.	1
HandlerBase::submitTemporaryForm	public	function	A submit handler that is used for storing temporary items when using multi-step changes, such as ajax requests.
HandlerBase::usesGroupBy	public	function	Provides the handler some groupby.	13
HandlerBase::validate	public	function	Validate that the plugin is correct and can be saved. Overrides PluginBase::validate	2
HandlerBase::validateExposed	public	function	Validate the exposed handler form	4
HandlerBase::validateExposeForm	public	function	Validate the options form.	1
HandlerBase::validateExtraOptionsForm	public	function	Validate the options form.
HandlerBase::__construct	public	function	Constructs a Handler object. Overrides PluginBase::__construct	44
MediaLibrarySelectForm::clickSortable	public	function	Determines if this field is click sortable. Overrides FieldPluginBase::clickSortable
MediaLibrarySelectForm::getValue	public	function	Gets the value that's supposed to be rendered. Overrides FieldPluginBase::getValue
MediaLibrarySelectForm::render	public	function	Renders the field. Overrides FieldPluginBase::render
MediaLibrarySelectForm::updateWidget	public static	function	Submit handler for the media library select form.
MediaLibrarySelectForm::viewsForm	public	function	Form constructor for the media library select form.
MediaLibrarySelectForm::viewsFormValidate	public	function
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::$definition	public	property	Plugins's definition
PluginBase::$displayHandler	public	property	The display object this plugin is for.
PluginBase::$options	public	property	Options for this plugin will be held here.
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::$usesOptions	protected	property	Denotes whether the plugin has an additional options form.	8
PluginBase::$view	public	property	The top object of a view.	1
PluginBase::create	public static	function	Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create	62
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::destroy	public	function	Clears a plugin. Overrides ViewsPluginInterface::destroy	2
PluginBase::doFilterByDefinedOptions	protected	function	Do the work to filter out stored options depending on the defined options.
PluginBase::filterByDefinedOptions	public	function	Filter out stored options depending on the defined options. Overrides ViewsPluginInterface::filterByDefinedOptions
PluginBase::getAvailableGlobalTokens	public	function	Returns an array of available token replacements. Overrides ViewsPluginInterface::getAvailableGlobalTokens
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::getProvider	public	function	Returns the plugin provider. Overrides ViewsPluginInterface::getProvider
PluginBase::globalTokenForm	public	function	Adds elements for available core tokens to a form. Overrides ViewsPluginInterface::globalTokenForm
PluginBase::globalTokenReplace	public	function	Returns a string with any core tokens replaced. Overrides ViewsPluginInterface::globalTokenReplace
PluginBase::INCLUDE_ENTITY		constant	Include entity row languages when listing languages.
PluginBase::INCLUDE_NEGOTIATED		constant	Include negotiated languages when listing languages.
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
PluginBase::listLanguages	protected	function	Makes an array of languages, optionally including special languages.
PluginBase::pluginTitle	public	function	Return the human readable name of the display. Overrides ViewsPluginInterface::pluginTitle
PluginBase::preRenderAddFieldsetMarkup	public static	function	Moves form elements into fieldsets for presentation purposes. Overrides ViewsPluginInterface::preRenderAddFieldsetMarkup
PluginBase::preRenderFlattenData	public static	function	Flattens the structure of form elements. Overrides ViewsPluginInterface::preRenderFlattenData
PluginBase::queryLanguageSubstitutions	public static	function	Returns substitutions for Views queries for languages.
PluginBase::setOptionDefaults	protected	function	Fills up the options of the plugin with defaults.
PluginBase::summaryTitle	public	function	Returns the summary of the settings in the display. Overrides ViewsPluginInterface::summaryTitle	6
PluginBase::trustedCallbacks	public static	function	Lists the trusted callbacks provided by the implementing class. Overrides TrustedCallbackInterface::trustedCallbacks	6
PluginBase::unpackOptions	public	function	Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away. Overrides ViewsPluginInterface::unpackOptions
PluginBase::usesOptions	public	function	Returns the usesOptions property. Overrides ViewsPluginInterface::usesOptions	8
PluginBase::validateOptionsForm	public	function	Validate the options form. Overrides ViewsPluginInterface::validateOptionsForm	15
PluginBase::viewsTokenReplace	protected	function	Replaces Views' tokens in a given string. The resulting string will be sanitized with Xss::filterAdmin.	1
PluginBase::VIEWS_QUERY_LANGUAGE_SITE_DEFAULT		constant	Query string to indicate the site default language.
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.
TrustedCallbackInterface::THROW_EXCEPTION		constant	Untrusted callbacks throw exceptions.
TrustedCallbackInterface::TRIGGER_SILENCED_DEPRECATION		constant	Untrusted callbacks trigger silenced E_USER_DEPRECATION errors.
TrustedCallbackInterface::TRIGGER_WARNING		constant	Untrusted callbacks trigger E_USER_WARNING errors.