class StringFormatter

Same name in other branches
  1. 9 core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php \Drupal\Core\Field\Plugin\Field\FieldFormatter\StringFormatter
  2. 8.9.x core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php \Drupal\Core\Field\Plugin\Field\FieldFormatter\StringFormatter
  3. 10 core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php \Drupal\Core\Field\Plugin\Field\FieldFormatter\StringFormatter

Plugin implementation of the 'string' formatter.

Hierarchy

Expanded class hierarchy of StringFormatter

2 files declare their use of StringFormatter
CommentPermalinkFormatter.php in core/modules/comment/src/Plugin/Field/FieldFormatter/CommentPermalinkFormatter.php
StringFormatterTest.php in core/modules/field/tests/src/Unit/Plugin/Field/FieldFormatter/StringFormatterTest.php

File

core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php, line 20

Namespace

Drupal\Core\Field\Plugin\Field\FieldFormatter
View source
class StringFormatter extends FormatterBase {
    
    /**
     * The entity type manager.
     *
     * @var \Drupal\Core\Entity\EntityTypeManagerInterface
     */
    protected $entityTypeManager;
    
    /**
     * Constructs a StringFormatter instance.
     *
     * @param string $plugin_id
     *   The plugin_id for the formatter.
     * @param mixed $plugin_definition
     *   The plugin implementation definition.
     * @param \Drupal\Core\Field\FieldDefinitionInterface $field_definition
     *   The definition of the field to which the formatter is associated.
     * @param array $settings
     *   The formatter settings.
     * @param string $label
     *   The formatter label display setting.
     * @param string $view_mode
     *   The view mode.
     * @param array $third_party_settings
     *   Any third party settings.
     * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
     *   The entity type manager.
     */
    public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, EntityTypeManagerInterface $entity_type_manager) {
        parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
        $this->entityTypeManager = $entity_type_manager;
    }
    
    /**
     * {@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['label'], $configuration['view_mode'], $configuration['third_party_settings'], $container->get('entity_type.manager'));
    }
    
    /**
     * {@inheritdoc}
     */
    public static function defaultSettings() {
        $options = parent::defaultSettings();
        $options['link_to_entity'] = FALSE;
        return $options;
    }
    
    /**
     * {@inheritdoc}
     */
    public function settingsForm(array $form, FormStateInterface $form_state) {
        $form = parent::settingsForm($form, $form_state);
        $entity_type = $this->entityTypeManager
            ->getDefinition($this->fieldDefinition
            ->getTargetEntityTypeId());
        if ($entity_type->hasLinkTemplate('canonical')) {
            $form['link_to_entity'] = [
                '#type' => 'checkbox',
                '#title' => $this->t('Link to the @entity_label', [
                    '@entity_label' => $entity_type->getLabel(),
                ]),
                '#default_value' => $this->getSetting('link_to_entity'),
            ];
        }
        return $form;
    }
    
    /**
     * {@inheritdoc}
     */
    public function settingsSummary() {
        $summary = [];
        if ($this->getSetting('link_to_entity')) {
            $entity_type = $this->entityTypeManager
                ->getDefinition($this->fieldDefinition
                ->getTargetEntityTypeId());
            if ($entity_type->hasLinkTemplate('canonical')) {
                $summary[] = $this->t('Linked to the @entity_label', [
                    '@entity_label' => $entity_type->getLabel(),
                ]);
            }
        }
        return $summary;
    }
    
    /**
     * {@inheritdoc}
     */
    public function viewElements(FieldItemListInterface $items, $langcode) {
        $elements = [];
        $entity = $items->getEntity();
        $entity_type = $entity->getEntityType();
        $render_as_link = FALSE;
        if ($this->getSetting('link_to_entity') && !$entity->isNew() && $entity_type->hasLinkTemplate('canonical')) {
            $url = $this->getEntityUrl($entity);
            $access = $url->access(return_as_object: TRUE);
            (new CacheableMetadata())->addCacheableDependency($access)
                ->applyTo($elements);
            $render_as_link = $access->isAllowed();
        }
        foreach ($items as $delta => $item) {
            if ($render_as_link) {
                assert(isset($url));
                $elements[$delta] = [
                    '#type' => 'link',
                    '#title' => $this->viewValue($item),
                    '#url' => $url,
                ];
            }
            else {
                $elements[$delta] = $this->viewValue($item);
            }
        }
        return $elements;
    }
    
    /**
     * Generate the output appropriate for one field item.
     *
     * @param \Drupal\Core\Field\FieldItemInterface $item
     *   One field item.
     *
     * @return array
     *   The textual output generated as a render array.
     */
    protected function viewValue(FieldItemInterface $item) {
        // The text value has no text format assigned to it, so the user input
        // should equal the output, including newlines.
        return [
            '#type' => 'inline_template',
            '#template' => '{{ value|nl2br }}',
            '#context' => [
                'value' => $item->value,
            ],
        ];
    }
    
    /**
     * Gets the URI elements of the entity.
     *
     * @param \Drupal\Core\Entity\EntityInterface $entity
     *   The entity object.
     *
     * @return \Drupal\Core\Url
     *   The URI elements of the entity.
     */
    protected function getEntityUrl(EntityInterface $entity) {
        // For the default revision, the 'revision' link template falls back to
        // 'canonical'.
        // @see \Drupal\Core\Entity\EntityBase::toUrl()
        $rel = $entity->getEntityType()
            ->hasLinkTemplate('revision') ? 'revision' : 'canonical';
        return $entity->toUrl($rel);
    }

}

Members

Title Sort descending Modifiers Object type Summary Overriden Title Overrides
FormatterBase::$fieldDefinition protected property The field definition.
FormatterBase::$label protected property The label display setting.
FormatterBase::$settings protected property The formatter settings. Overrides PluginSettingsBase::$settings
FormatterBase::$viewMode protected property The view mode.
FormatterBase::getFieldSetting protected function Returns the value of a field setting.
FormatterBase::getFieldSettings protected function Returns the array of field settings.
FormatterBase::isApplicable public static function Returns if the formatter can be used for the provided field. Overrides FormatterInterface::isApplicable 12
FormatterBase::prepareView public function Allows formatters to load information for field values being displayed. Overrides FormatterInterface::prepareView 2
FormatterBase::view public function Builds a renderable array for a fully themed field. Overrides FormatterInterface::view 1
PluginInspectionInterface::getPluginDefinition public function Gets the definition of the plugin implementation. 6
PluginInspectionInterface::getPluginId public function Gets the plugin_id of the plugin instance. 2
PluginSettingsBase::$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 $settings.
PluginSettingsBase::onDependencyRemoval public function Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsInterface::onDependencyRemoval 3
PluginSettingsBase::setSetting public function Sets the value of a setting for the plugin. Overrides PluginSettingsInterface::setSetting
PluginSettingsBase::setSettings public function Sets the settings for the plugin. Overrides PluginSettingsInterface::setSettings
PluginSettingsBase::setThirdPartySetting public function Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface::setThirdPartySetting
PluginSettingsBase::unsetThirdPartySetting public function Unsets a third-party setting. Overrides ThirdPartySettingsInterface::unsetThirdPartySetting
StringFormatter::$entityTypeManager protected property The entity type manager.
StringFormatter::create public static function Creates an instance of the plugin. Overrides FormatterBase::create 1
StringFormatter::defaultSettings public static function Defines the default settings for this plugin. Overrides PluginSettingsBase::defaultSettings 1
StringFormatter::getEntityUrl protected function Gets the URI elements of the entity. 1
StringFormatter::settingsForm public function Returns a form to configure settings for the formatter. Overrides FormatterBase::settingsForm 1
StringFormatter::settingsSummary public function Returns a short summary for the current formatter settings. Overrides FormatterBase::settingsSummary 1
StringFormatter::viewElements public function Builds a renderable array for a field value. Overrides FormatterInterface::viewElements
StringFormatter::viewValue protected function Generate the output appropriate for one field item. 1
StringFormatter::__construct public function Constructs a StringFormatter instance. Overrides FormatterBase::__construct 1

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.