function imagefield_crop_widget_preview_process in Imagefield Crop 7.2

Same name and namespace in other branches

1. 7.3 imagefield_crop.module \imagefield_crop_widget_preview_process()
2. 7 imagefield_crop.module \imagefield_crop_widget_preview_process()

1 string reference to 'imagefield_crop_widget_preview_process'

imagefield_crop_widget_process in ./imagefield_crop.module

An element #process callback for the imagefield_crop field type.

File

./imagefield_crop.module, line 822

Functionality and Drupal hook implementations for the Imagefield Crop module.

Code

function imagefield_crop_widget_preview_process($element, &$form_state, $form) {
  $file = $element['#file'];
  if ($file->fid == 0) {
    return $element;
  }

  // The widget belongs to the parent, so we got to find it first.
  $parents = array_slice($element['#array_parents'], 0, -1);
  $parent = drupal_array_get_nested_value($form, $parents);
  $instance = field_widget_instance($parent, $form_state);
  $context = array(
    'form' => $form,
  );
  drupal_alter('imagefield_crop_instance', $instance, $context);
  list($width, $height) = !empty($instance['widget']['settings']['resolution']) ? explode('x', $instance['widget']['settings']['resolution']) : array(
    0,
    0,
  );
  if (!empty($instance['widget']['settings']['preview_image_width'])) {
    $height = $instance['widget']['settings']['preview_image_width'] / $width * $height;
    $width = $instance['widget']['settings']['preview_image_width'];
  }
  $image_info = image_get_info(drupal_realpath($file->uri));
  $settings = array(
    $parent['#id'] => array(
      'preview' => array(
        'orig_width' => $image_info['width'],
        'orig_height' => $image_info['height'],
        'width' => (int) $width,
        'height' => (int) $height,
      ),
    ),
  );
  $element['#attached']['js'][] = array(
    'data' => array(
      'imagefield_crop' => $settings,
    ),
    'type' => 'setting',
    'scope' => 'header',
  );
  $element['#imagefield_crop'] = array(
    '#file' => $element['#file'],
    '#width' => $width,
    '#height' => $height,
    '#path' => file_create_url($file->uri),
  );
  return $element;
}