<?php


/**
 * Implementation of hook_requirements().
 */
function imageapi_requirements($phase) {
  $requirements = array();
  // Ensure translations don't break at install time.
  $t = get_t();

  // Check this at runtime rather than install time because the order of
  // installation doesn't take dependencies into account. ImageAPI may have
  // been installed by not loaded and if we report a requirement error
  // because we can't find its function or no toolkit is enabled modules that
  // depend on us will still be enabled but will have a missing dependency.
  // Seems like a better idea to let everything get enabled and then inform
  // them of the problem.
  if ($phase == 'runtime') {
    if (count(imageapi_get_available_toolkits()) == 0) {
      $requirements['imageapi_toolkits'] = array(
        'title' => $t('ImageAPI Toolkit'),
        'value' => $t('No ImageAPI toolkits available'),
        'severity' => REQUIREMENT_ERROR,
        'description' => $t('ImageAPI requires a Toolkit such as ImageAPI GD or ImageAPI ImageMagick to function. Go to !modules and enable one of them.', array('!modules' => l('admin/build/modules', 'admin/build/modules'))),
      );
    }
  }

  return $requirements;
}
function imageapi_install() {
}

/**
 * Implementation of hook_uninstall().
 *
 */
function imageapi_uninstall() {
  variable_del('imageapi_image_toolkit');
}