PHP Editor::getImageUploadSettings方法代码示例

 /**
  * {@inheritdoc}
  *
  * @param \Drupal\editor\Entity\Editor $editor
  *   The text editor to which this dialog corresponds.
  */
 public function buildForm(array $form, FormStateInterface $form_state, Editor $editor = NULL)
 {
     // This form is special, in that the default values do not come from the
     // server side, but from the client side, from a text editor. We must cache
     // this data in form state, because when the form is rebuilt, we will be
     // receiving values from the form, instead of the values from the text
     // editor. If we don't cache it, this data will be lost.
     if (isset($form_state->getUserInput()['editor_object'])) {
         // By convention, the data that the text editor sends to any dialog is in
         // the 'editor_object' key. And the image dialog for text editors expects
         // that data to be the attributes for an <img> element.
         $image_element = $form_state->getUserInput()['editor_object'];
         $form_state->set('image_element', $image_element);
         $form_state->setCached(TRUE);
     } else {
         // Retrieve the image element's attributes from form state.
         $image_element = $form_state->get('image_element') ?: [];
     }
     $form['#tree'] = TRUE;
     $form['#attached']['library'][] = 'editor/drupal.editor.dialog';
     $form['#prefix'] = '<div id="editor-image-dialog-form">';
     $form['#suffix'] = '</div>';
     // Construct strings to use in the upload validators.
     $image_upload = $editor->getImageUploadSettings();
     if (!empty($image_upload['max_dimensions']['width']) || !empty($image_upload['max_dimensions']['height'])) {
         $max_dimensions = $image_upload['max_dimensions']['width'] . 'x' . $image_upload['max_dimensions']['height'];
     } else {
         $max_dimensions = 0;
     }
     $max_filesize = min(Bytes::toInt($image_upload['max_size']), file_upload_max_size());
     $existing_file = isset($image_element['data-entity-uuid']) ? \Drupal::entityManager()->loadEntityByUuid('file', $image_element['data-entity-uuid']) : NULL;
     $fid = $existing_file ? $existing_file->id() : NULL;
     $form['fid'] = array('#title' => $this->t('Image'), '#type' => 'managed_file', '#upload_location' => $image_upload['scheme'] . '://' . $image_upload['directory'], '#default_value' => $fid ? array($fid) : NULL, '#upload_validators' => array('file_validate_extensions' => array('gif png jpg jpeg'), 'file_validate_size' => array($max_filesize), 'file_validate_image_resolution' => array($max_dimensions)), '#required' => TRUE);
     $form['attributes']['src'] = array('#title' => $this->t('URL'), '#type' => 'textfield', '#default_value' => isset($image_element['src']) ? $image_element['src'] : '', '#maxlength' => 2048, '#required' => TRUE);
     // If the editor has image uploads enabled, show a managed_file form item,
     // otherwise show a (file URL) text form item.
     if ($image_upload['status']) {
         $form['attributes']['src']['#access'] = FALSE;
         $form['attributes']['src']['#required'] = FALSE;
     } else {
         $form['fid']['#access'] = FALSE;
         $form['fid']['#required'] = FALSE;
     }
     // The alt attribute is *required*, but we allow users to opt-in to empty
     // alt attributes for the very rare edge cases where that is valid by
     // specifying two double quotes as the alternative text in the dialog.
     // However, that *is* stored as an empty alt attribute, so if we're editing
     // an existing image (which means the src attribute is set) and its alt
     // attribute is empty, then we show that as two double quotes in the dialog.
     // @see https://www.drupal.org/node/2307647
     $alt = isset($image_element['alt']) ? $image_element['alt'] : '';
     if ($alt === '' && !empty($image_element['src'])) {
         $alt = '""';
     }
     $form['attributes']['alt'] = array('#title' => $this->t('Alternative text'), '#placeholder' => $this->t('Short description for the visually impaired'), '#type' => 'textfield', '#required' => TRUE, '#required_error' => $this->t('Alternative text is required.<br />(Only in rare cases should this be left empty. To create empty alternative text, enter <code>""</code> — two double quotes without any content).'), '#default_value' => $alt, '#maxlength' => 2048);
     // When Drupal core's filter_align is being used, the text editor may
     // offer the ability to change the alignment.
     if (isset($image_element['data-align']) && $editor->getFilterFormat()->filters('filter_align')->status) {
         $form['align'] = array('#title' => $this->t('Align'), '#type' => 'radios', '#options' => array('none' => $this->t('None'), 'left' => $this->t('Left'), 'center' => $this->t('Center'), 'right' => $this->t('Right')), '#default_value' => $image_element['data-align'] === '' ? 'none' : $image_element['data-align'], '#wrapper_attributes' => array('class' => array('container-inline')), '#attributes' => array('class' => array('container-inline')), '#parents' => array('attributes', 'data-align'));
     }
     // When Drupal core's filter_caption is being used, the text editor may
     // offer the ability to in-place edit the image's caption: show a toggle.
     if (isset($image_element['hasCaption']) && $editor->getFilterFormat()->filters('filter_caption')->status) {
         $form['caption'] = array('#title' => $this->t('Caption'), '#type' => 'checkbox', '#default_value' => $image_element['hasCaption'] === 'true', '#parents' => array('attributes', 'hasCaption'));
     }
     $form['actions'] = array('#type' => 'actions');
     $form['actions']['save_modal'] = array('#type' => 'submit', '#value' => $this->t('Save'), '#submit' => array(), '#ajax' => array('callback' => '::submitForm', 'event' => 'click'));
     return $form;
 }