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   1  <?php
   2  // $Id: imageapi.install,v 1.7 2008/12/21 23:08:39 drewish Exp $
   3  
   4  
   5  /**
   6   * Implementation of hook_requirements().
   7   */
   8  function imageapi_requirements($phase) {
   9    $requirements = array();
  10    // Ensure translations don't break at install time.
  11    $t = get_t();
  12  
  13    // Check this at runtime rather than install time because the order of
  14    // installation doesn't take dependencies into account. ImageAPI may have
  15    // been installed by not loaded and if we report a requirement error
  16    // because we can't find its function or no toolkit is enabled modules that
  17    // depend on us will still be enabled but will have a missing dependency.
  18    // Seems like a better idea to let everything get enabled and then inform
  19    // them of the problem.
  20    if ($phase == 'runtime') {
  21      if (count(imageapi_get_available_toolkits()) == 0) {
  22        $requirements['imageapi_toolkits'] = array(
  23          'title' => $t('ImageAPI Toolkit'),
  24          'value' => $t('No ImageAPI toolkits available'),
  25          'severity' => REQUIREMENT_ERROR,
  26          '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'))),
  27        );
  28      }
  29    }
  30  
  31    return $requirements;
  32  }
  33  function imageapi_install() {
  34  }
  35  
  36  /**
  37   * Implementation of hook_uninstall().
  38   *
  39   */
  40  function imageapi_uninstall() {
  41    variable_del('imageapi_image_toolkit');
  42  }