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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\node\Plugin\views\field\Node. | |
| */ | |
| namespace Drupal\node\Plugin\views\field; | |
| use Drupal\Core\Form\FormStateInterface; | |
| use Drupal\Core\Url; | |
| use Drupal\views\ResultRow; | |
| use Drupal\views\ViewExecutable; | |
| use Drupal\views\Plugin\views\display\DisplayPluginBase; | |
| use Drupal\views\Plugin\views\field\FieldPluginBase; | |
| /** | |
| * Field handler to provide simple renderer that allows linking to a node. | |
| * Definition terms: | |
| * - link_to_node default: Should this field have the checkbox "link to node" enabled by default. | |
| * | |
| * @ingroup views_field_handlers | |
| * | |
| * @ViewsField("node") | |
| */ | |
| class Node extends FieldPluginBase { | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function init(ViewExecutable $view, DisplayPluginBase $display, array &$options = NULL) { | |
| parent::init($view, $display, $options); | |
| // Don't add the additional fields to groupby | |
| if (!empty($this->options['link_to_node'])) { | |
| $this->additional_fields['nid'] = array('table' => 'node_field_data', 'field' => 'nid'); | |
| } | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| protected function defineOptions() { | |
| $options = parent::defineOptions(); | |
| $options['link_to_node'] = array('default' => isset($this->definition['link_to_node default']) ? $this->definition['link_to_node default'] : FALSE); | |
| return $options; | |
| } | |
| /** | |
| * Provide link to node option | |
| */ | |
| public function buildOptionsForm(&$form, FormStateInterface $form_state) { | |
| $form['link_to_node'] = array( | |
| '#title' => $this->t('Link this field to the original piece of content'), | |
| '#description' => $this->t("Enable to override this field's links."), | |
| '#type' => 'checkbox', | |
| '#default_value' => !empty($this->options['link_to_node']), | |
| ); | |
| parent::buildOptionsForm($form, $form_state); | |
| } | |
| /** | |
| * Prepares link to the node. | |
| * | |
| * @param string $data | |
| * The XSS safe string for the link text. | |
| * @param \Drupal\views\ResultRow $values | |
| * The values retrieved from a single row of a view's query result. | |
| * | |
| * @return string | |
| * Returns a string for the link text. | |
| */ | |
| protected function renderLink($data, ResultRow $values) { | |
| if (!empty($this->options['link_to_node']) && !empty($this->additional_fields['nid'])) { | |
| if ($data !== NULL && $data !== '') { | |
| $this->options['alter']['make_link'] = TRUE; | |
| $this->options['alter']['url'] = Url::fromRoute('entity.node.canonical', ['node' => $this->getValue($values, 'nid')]); | |
| if (isset($this->aliases['langcode'])) { | |
| $languages = \Drupal::languageManager()->getLanguages(); | |
| $langcode = $this->getValue($values, 'langcode'); | |
| if (isset($languages[$langcode])) { | |
| $this->options['alter']['language'] = $languages[$langcode]; | |
| } | |
| else { | |
| unset($this->options['alter']['language']); | |
| } | |
| } | |
| } | |
| else { | |
| $this->options['alter']['make_link'] = FALSE; | |
| } | |
| } | |
| return $data; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function render(ResultRow $values) { | |
| $value = $this->getValue($values); | |
| return $this->renderLink($this->sanitizeValue($value), $values); | |
| } | |
| } |