Drupal 8.0.0 beta 12. More info: https://www.drupal.org/node/2514176

core/modules/editor/editor.admin.inc

@@ -0,0 +1,128 @@
+<?php
+
+/**
+ * @file
+ * Administration functions for editor.module.
+ */
+
+use Drupal\Core\StreamWrapper\StreamWrapperInterface;
+use Drupal\editor\Entity\Editor;
+
+/**
+ * Subform constructor to configure the text editor's image upload settings.
+ *
+ * Each text editor plugin that is configured to offer the ability to insert
+ * images and uses EditorImageDialog for that, should use this form to update
+ * the text editor's configuration so that EditorImageDialog knows whether it
+ * should allow the user to upload images.
+ *
+ * @param \Drupal\editor\Entity\Editor $editor
+ *   The text editor entity that is being edited.
+ *
+ * @return array
+ *   The image upload settings form.
+ *
+ * @see \Drupal\editor\Form\EditorImageDialog
+ */
+function editor_image_upload_settings_form(Editor $editor) {
+  // Defaults.
+  $image_upload = $editor->getImageUploadSettings();
+  $image_upload += array(
+    'status' => FALSE,
+    'scheme' => file_default_scheme(),
+    'directory' => 'inline-images',
+    'max_size' => '',
+    'max_dimensions' => array('width' => '', 'height' => ''),
+  );
+
+  $form['status'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Enable image uploads'),
+    '#default_value' => $image_upload['status'],
+    '#attributes' => array(
+      'data-editor-image-upload' => 'status',
+    ),
+  );
+  $show_if_image_uploads_enabled = array(
+    'visible' => array(
+      ':input[data-editor-image-upload="status"]' => array('checked' => TRUE),
+    ),
+  );
+
+  // Any visible, writable wrapper can potentially be used for uploads,
+  // including a remote file system that integrates with a CDN.
+  $options = \Drupal::service('stream_wrapper_manager')->getDescriptions(StreamWrapperInterface::WRITE_VISIBLE);
+  if (!empty($options)) {
+    $form['scheme'] = array(
+      '#type' => 'radios',
+      '#title' => t('File storage'),
+      '#default_value' => $image_upload['scheme'],
+      '#options' => $options,
+      '#states' => $show_if_image_uploads_enabled,
+      '#access' => count($options) > 1,
+    );
+  }
+  // Set data- attributes with human-readable names for all possible stream
+  // wrappers, so that drupal.ckeditor.drupalimage.admin's summary rendering
+  // can use that.
+  foreach (\Drupal::service('stream_wrapper_manager')->getNames(StreamWrapperInterface::WRITE_VISIBLE) as $scheme => $name) {
+    $form['scheme'][$scheme]['#attributes']['data-label'] = t('Storage: @name', array('@name' => $name));
+  }
+
+  $form['directory'] = array(
+    '#type' => 'textfield',
+    '#default_value' => $image_upload['directory'],
+    '#title' => t('Upload directory'),
+    '#description' => t("A directory relative to Drupal's files directory where uploaded images will be stored."),
+    '#states' => $show_if_image_uploads_enabled,
+  );
+
+  $default_max_size = format_size(file_upload_max_size());
+  $form['max_size'] = array(
+    '#type' => 'textfield',
+    '#default_value' => $image_upload['max_size'],
+    '#title' => t('Maximum file size'),
+    '#description' => t('If this is left empty, then the file size will be limited by the PHP maximum upload size of @size.', array('@size' => $default_max_size)),
+    '#maxlength' => 20,
+    '#size' => 10,
+    '#placeholder' => $default_max_size,
+    '#states' => $show_if_image_uploads_enabled,
+  );
+
+  $form['max_dimensions'] = array(
+    '#type' => 'item',
+    '#title' => t('Maximum dimensions'),
+    '#field_prefix' => '<div class="container-inline clearfix">',
+    '#field_suffix' => '</div>',
+    '#description' => t('Images larger than these dimensions will be scaled down.'),
+    '#states' => $show_if_image_uploads_enabled,
+  );
+  $form['max_dimensions']['width'] = array(
+    '#title' => t('Width'),
+    '#title_display' => 'invisible',
+    '#type' => 'number',
+    '#default_value' => (empty($image_upload['max_dimensions']['width'])) ? '' : $image_upload['max_dimensions']['width'],
+    '#size' => 8,
+    '#maxlength' => 8,
+    '#min' => 1,
+    '#max' => 99999,
+    '#placeholder' => t('width'),
+    '#field_suffix' => ' x ',
+    '#states' => $show_if_image_uploads_enabled,
+  );
+  $form['max_dimensions']['height'] = array(
+    '#title' => t('Height'),
+    '#title_display' => 'invisible',
+    '#type' => 'number',
+    '#default_value' => (empty($image_upload['max_dimensions']['height'])) ? '' : $image_upload['max_dimensions']['height'],
+    '#size' => 8,
+    '#maxlength' => 8,
+    '#min' => 1,
+    '#max' => 99999,
+    '#placeholder' => t('height'),
+    '#field_suffix' => t('pixels'),
+    '#states' => $show_if_image_uploads_enabled,
+  );
+
+  return $form;
+}