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<?php
namespace Drupal\editor\Form;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\editor\Entity\Editor;
use Drupal\Core\Ajax\AjaxResponse;
use Drupal\Core\Ajax\HtmlCommand;
use Drupal\editor\Ajax\EditorDialogSave;
use Drupal\Core\Ajax\CloseModalDialogCommand;
/**
* Provides a link dialog for text editors.
*/
class EditorLinkDialog extends FormBase {
/**
* {@inheritdoc}
*/
public function getFormId() {
return 'editor_link_dialog';
}
/**
* {@inheritdoc}
*
* @param \Drupal\editor\Entity\Editor $editor
* The text editor to which this dialog corresponds.
*/
public function buildForm(array $form, FormStateInterface $form_state, Editor $editor = NULL) {
// The default values are set directly from \Drupal::request()->request,
// provided by the editor plugin opening the dialog.
$user_input = $form_state->getUserInput();
$input = isset($user_input['editor_object']) ? $user_input['editor_object'] : [];
$form['#tree'] = TRUE;
$form['#attached']['library'][] = 'editor/drupal.editor.dialog';
$form['#prefix'] = '<div id="editor-link-dialog-form">';
$form['#suffix'] = '</div>';
// Everything under the "attributes" key is merged directly into the
// generated link tag's attributes.
$form['attributes']['href'] = [
'#title' => $this->t('URL'),
'#type' => 'textfield',
'#default_value' => isset($input['href']) ? $input['href'] : '',
'#maxlength' => 2048,
];
$form['actions'] = [
'#type' => 'actions',
];
$form['actions']['save_modal'] = [
'#type' => 'submit',
'#value' => $this->t('Save'),
// No regular submit-handler. This form only works via JavaScript.
'#submit' => [],
'#ajax' => [
'callback' => '::submitForm',
'event' => 'click',
],
];
return $form;
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state) {
$response = new AjaxResponse();
if ($form_state->getErrors()) {
unset($form['#prefix'], $form['#suffix']);
$form['status_messages'] = [
'#type' => 'status_messages',
'#weight' => -10,
];
$response->addCommand(new HtmlCommand('#editor-link-dialog-form', $form));
}
else {
$response->addCommand(new EditorDialogSave($form_state->getValues()));
$response->addCommand(new CloseModalDialogCommand());
}
return $response;
}
}