diff --git a/entity_embed.module b/entity_embed.module
index fbdd994..079bc82 100644
--- a/entity_embed.module
+++ b/entity_embed.module
@@ -6,6 +6,9 @@
* format.
*/
+use Drupal\Component\Utility\UrlHelper;
+use Drupal\Core\Url;
+
/**
* Implements hook_theme().
*/
@@ -31,6 +34,25 @@ function template_preprocess_entity_embed_container(&$variables) {
$variables['element'] += ['#attributes' => []];
$variables['attributes'] = $variables['element']['#attributes'];
$variables['children'] = $variables['element']['#children'];
+ if (!empty($variables['element']['#context']['data-entity-embed-display-settings']['link_url'])) {
+ $link = UrlHelper::filterBadProtocol($variables['element']['#context']['data-entity-embed-display-settings']['link_url']);
+ if (!UrlHelper::isExternal($link)) {
+ $link = 'internal:/' . ltrim($link, '/');
+ }
+ $link = Url::fromUri($link);
+ $attributes = [];
+ if (!empty($variables['element']['#context']['data-entity-embed-display-settings']['link_url_target']) && $variables['element']['#context']['data-entity-embed-display-settings']['link_url_target'] == 1) {
+ $attributes = ['attributes' => ['target' => '_blank']];
+ }
+ $variables['children'] = [
+ [
+ '#type' => 'link',
+ '#title' => $variables['children'],
+ '#options' => $attributes,
+ '#url' => $link,
+ ]
+ ];
+ }
}
/**
diff --git a/src/Form/EntityEmbedDialog.php b/src/Form/EntityEmbedDialog.php
index ae0194b..a26cbc2 100644
--- a/src/Form/EntityEmbedDialog.php
+++ b/src/Form/EntityEmbedDialog.php
@@ -8,6 +8,7 @@ use Drupal\Core\Ajax\AjaxResponse;
use Drupal\Core\Ajax\CloseModalDialogCommand;
use Drupal\Core\Ajax\HtmlCommand;
use Drupal\Core\Ajax\SetDialogTitleCommand;
+use Drupal\Core\Entity\Element\EntityAutocomplete;
use Drupal\Core\Entity\EntityFieldManagerInterface;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
@@ -434,6 +435,31 @@ class EntityEmbedDialog extends FormBase {
if (is_string($entity_element['data-entity-embed-display-settings'])) {
$entity_element['data-entity-embed-display-settings'] = Json::decode($entity_element['data-entity-embed-display-settings']);
}
+
+ // Supress Drupal's "Link image to" dropdown when embedding an image,
+ // since the 'Link to' option provides this functionality.
+ if (isset($form['attributes']['data-entity-embed-display-settings']['image_link'])) {
+ $form['attributes']['data-entity-embed-display-settings']['image_link']['#type'] = 'hidden';
+ $form['attributes']['data-entity-embed-display-settings']['image_link']['#value'] = '';
+ }
+ $form['attributes']['data-entity-embed-display-settings']['link_url'] = [
+ '#title' => t('Link to'),
+ '#type' => 'entity_autocomplete',
+ '#target_type' => 'node',
+ '#attributes' => [
+ 'data-autocomplete-first-character-blacklist' => '/#?'
+ ],
+ '#element_validate' => [[get_called_class(), 'validateUriElement']],
+ '#process_default_value' => FALSE,
+ '#description' => $this->t('Start typing the title of a piece of content to select it. You can also enter an internal path such as %add-node or an external URL such as %url. Enter %front to link to the front page.', ['%front' => '<front>', '%add-node' => '/node/add', '%url' => 'http://example.com']),
+ '#default_value' => isset($entity_element['data-entity-embed-display-settings']['link_url']) ? $this->getUriAsDisplayableString($entity_element['data-entity-embed-display-settings']['link_url']) : '',
+ '#maxlength' => 2048,
+ ];
+ $form['attributes']['data-entity-embed-display-settings']['link_url_target'] = [
+ '#title' => t('Open in a new window?'),
+ '#type' => 'checkbox',
+ '#default_value' => isset($entity_element['data-entity-embed-display-settings']['link_url_target']) ? Html::decodeEntities($entity_element['data-entity-embed-display-settings']['link_url_target']) : '',
+ ];
$display = $this->entityEmbedDisplayManager->createInstance($plugin_id, $entity_element['data-entity-embed-display-settings']);
$display->setContextValue('entity', $entity);
$display->setAttributes($entity_element);
@@ -497,6 +523,118 @@ class EntityEmbedDialog extends FormBase {
return $form;
}
+ /**
+ * Gets the URI without the 'internal:' or 'entity:' scheme.
+ *
+ * The following two forms of URIs are transformed:
+ * - 'entity:' URIs: to entity autocomplete ("label (entity id)") strings;
+ * - 'internal:' URIs: the scheme is stripped.
+ *
+ * This method is the inverse of ::getUserEnteredStringAsUri().
+ *
+ * @param string $uri
+ * The URI to get the displayable string for.
+ *
+ * @return string
+ *
+ * @see static::getUserEnteredStringAsUri()
+ */
+ protected function getUriAsDisplayableString($uri) {
+ $uri = Html::decodeEntities($uri);
+ $scheme = parse_url($uri, PHP_URL_SCHEME);
+
+ // By default, the displayable string is the URI.
+ $displayable_string = $uri;
+
+ // A different displayable string may be chosen in case of the 'internal:'
+ // or 'entity:' built-in schemes.
+ if ($scheme === 'internal') {
+ $uri_reference = explode(':', $uri, 2)[1];
+
+ // @todo '<front>' is valid input for BC reasons, may be removed by
+ // https://www.drupal.org/node/2421941
+ $path = parse_url($uri, PHP_URL_PATH);
+ if ($path === '/') {
+ $uri_reference = '<front>' . substr($uri_reference, 1);
+ }
+
+ $displayable_string = $uri_reference;
+ }
+ elseif ($scheme === 'entity') {
+ list($entity_type, $entity_id) = explode('/', substr($uri, 7), 2);
+ // Show the 'entity:' URI as the entity autocomplete would.
+ // @todo Support entity types other than 'node'. Will be fixed in
+ // https://www.drupal.org/node/2423093.
+ if ($entity_type == 'node' && $entity = \Drupal::entityTypeManager()->getStorage($entity_type)->load($entity_id)) {
+ $displayable_string = EntityAutocomplete::getEntityLabels([$entity]);
+ }
+ }
+
+ return $displayable_string;
+ }
+
+ /**
+ * Gets the user-entered string as a URI.
+ *
+ * The following two forms of input are mapped to URIs:
+ * - entity autocomplete ("label (entity id)") strings: to 'entity:' URIs;
+ * - strings without a detectable scheme: to 'internal:' URIs.
+ *
+ * This method is the inverse of ::getUriAsDisplayableString().
+ *
+ * @param string $string
+ * The user-entered string.
+ *
+ * @return string
+ * The URI, if a non-empty $uri was passed.
+ *
+ * @see static::getUriAsDisplayableString()
+ */
+ protected static function getUserEnteredStringAsUri($string) {
+ // By default, assume the entered string is an URI.
+ $uri = $string;
+
+ // Detect entity autocomplete string, map to 'entity:' URI.
+ $entity_id = EntityAutocomplete::extractEntityIdFromAutocompleteInput($string);
+ if ($entity_id !== NULL) {
+ // @todo Support entity types other than 'node'. Will be fixed in
+ // https://www.drupal.org/node/2423093.
+ $uri = 'entity:node/' . $entity_id;
+ }
+ // Detect a schemeless string, map to 'internal:' URI.
+ elseif (!empty($string) && parse_url($string, PHP_URL_SCHEME) === NULL) {
+ // @todo '<front>' is valid input for BC reasons, may be removed by
+ // https://www.drupal.org/node/2421941
+ // - '<front>' -> '/'
+ // - '<front>#foo' -> '/#foo'
+ if (strpos($string, '<front>') === 0) {
+ $string = '/' . substr($string, strlen('<front>'));
+ }
+ $uri = 'internal:' . $string;
+ }
+
+ return $uri;
+ }
+
+ /**
+ * Form element validation handler for the 'uri' element.
+ *
+ * Disallows saving inaccessible or untrusted URLs.
+ */
+ public static function validateUriElement($element, FormStateInterface $form_state, $form) {
+ $uri = static::getUserEnteredStringAsUri($element['#value']);
+ $form_state->setValueForElement($element, $uri);
+
+ // If getUserEnteredStringAsUri() mapped the entered value to a 'internal:'
+ // URI , ensure the raw value begins with '/', '?' or '#'.
+ // @todo '<front>' is valid input for BC reasons, may be removed by
+ // https://www.drupal.org/node/2421941
+ if (parse_url($uri, PHP_URL_SCHEME) === 'internal' && !in_array($element['#value'][0], ['/', '?', '#'], TRUE) && substr($element['#value'], 0, 7) !== '<front>') {
+ $form_state->setError($element, t('Manually entered paths should start with /, ? or #.'));
+ return;
+ }
+ }
+
/**
* {@inheritdoc}
*/