function image_admin_settings_submit in Image 6

Same name and namespace in other branches

1. 7 image.admin.inc \image_admin_settings_submit()

Form submit handler for image admin settings form.

1 string reference to 'image_admin_settings_submit'

image_admin_settings in ./image.admin.inc

Menu callback; Form builder function for image settings.

File

./image.admin.inc, line 138

Code

function image_admin_settings_submit($form, &$form_state) {

  // Ensure that 'image_default_path' variable contains no trailing slash.
  $form_state['values']['image_default_path'] = rtrim($form_state['values']['image_default_path'], '/');

  // Remove deleted sizes, and use the label as indexes for new sizes.
  $old_sizes = image_get_sizes();

  // If the size's operation, or dimensions change we need to rebuild.
  $rebuild = FALSE;
  foreach ($form_state['values']['image_sizes'] as $key => $size) {

    // Changed to the original setting only affect new images and they
    // shouldn't be able to add or remove it.
    if ($key == IMAGE_ORIGINAL) {
      continue;
    }

    // Remove sizes without labels.
    if (empty($size['label'])) {
      unset($form_state['values']['image_sizes'][$key]);
    }

    // Check if only one is set, indicating an addition or removal.
    if (isset($form_state['values']['image_sizes'][$key]) ^ isset($old_sizes[$key])) {
      $rebuild |= TRUE;

      // When adding a new size, we need to assign a key.
      if (isset($form_state['values']['image_sizes'][$key])) {
        unset($form_state['values']['image_sizes'][$key]);
        $new_key = drupal_strtolower(drupal_substr($size['label'], 0, 32));
        $form_state['values']['image_sizes'][$new_key] = $size;
      }
    }
    else {
      if (isset($form_state['values']['image_sizes'][$key]) && isset($old_sizes[$key])) {

        // Did the operation, height or width change?
        foreach (array(
          'operation',
          'height',
          'width',
        ) as $field) {
          $rebuild |= $form_state['values']['image_sizes'][$key][$field] != $old_sizes[$key][$field];
        }
      }
    }
  }

  // If we've changed anything update the image_update variable so the
  // derivative images are rebuilt.
  if ($rebuild) {
    drupal_set_message(t('Changes to the images sizes mean that the derivative images will need to be regenerated.'));
    $form_state['values']['image_updated'] = time();
  }
}