public static function ImageItem::generateSampleValue in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/image/src/Plugin/Field/FieldType/ImageItem.php \Drupal\image\Plugin\Field\FieldType\ImageItem::generateSampleValue()

Generates placeholder field values.

Useful when populating site with placeholder content during site building or profiling.

Parameters

\Drupal\Core\Field\FieldDefinitionInterface $field_definition: The field definition.

Return value

array An associative array of values.

Overrides FileItem::generateSampleValue

File

core/modules/image/src/Plugin/Field/FieldType/ImageItem.php, line 332

Contains \Drupal\image\Plugin\Field\FieldType\ImageItem.

Class

ImageItem

Plugin implementation of the 'image' field type.

Namespace

Drupal\image\Plugin\Field\FieldType

Code

public static function generateSampleValue(FieldDefinitionInterface $field_definition) {
  $random = new Random();
  $settings = $field_definition
    ->getSettings();
  static $images = array();
  $min_resolution = empty($settings['min_resolution']) ? '100x100' : $settings['min_resolution'];
  $max_resolution = empty($settings['max_resolution']) ? '600x600' : $settings['max_resolution'];
  $extensions = array_intersect(explode(' ', $settings['file_extensions']), array(
    'png',
    'gif',
    'jpg',
    'jpeg',
  ));
  $extension = array_rand(array_combine($extensions, $extensions));

  // Generate a max of 5 different images.
  if (!isset($images[$extension][$min_resolution][$max_resolution]) || count($images[$extension][$min_resolution][$max_resolution]) <= 5) {
    $tmp_file = drupal_tempnam('temporary://', 'generateImage_');
    $destination = $tmp_file . '.' . $extension;
    file_unmanaged_move($tmp_file, $destination, FILE_CREATE_DIRECTORY);
    if ($path = $random
      ->image(drupal_realpath($destination), $min_resolution, $max_resolution)) {
      $image = File::create();
      $image
        ->setFileUri($path);
      $image
        ->setOwnerId(\Drupal::currentUser()
        ->id());
      $image
        ->setMimeType('image/' . pathinfo($path, PATHINFO_EXTENSION));
      $image
        ->setFileName(drupal_basename($path));
      $destination_dir = static::doGetUploadLocation($settings);
      file_prepare_directory($destination_dir, FILE_CREATE_DIRECTORY);
      $destination = $destination_dir . '/' . basename($path);
      $file = file_move($image, $destination, FILE_CREATE_DIRECTORY);
      $images[$extension][$min_resolution][$max_resolution][$file
        ->id()] = $file;
    }
    else {
      return array();
    }
  }
  else {

    // Select one of the images we've already generated for this field.
    $image_index = array_rand($images[$extension][$min_resolution][$max_resolution]);
    $file = $images[$extension][$min_resolution][$max_resolution][$image_index];
  }
  list($width, $height) = getimagesize($file
    ->getFileUri());
  $values = array(
    'target_id' => $file
      ->id(),
    'alt' => $random
      ->sentences(4),
    'title' => $random
      ->sentences(4),
    'width' => $width,
    'height' => $height,
  );
  return $values;
}