function hs_taxonomy_views_requirements in Hierarchical Select 5.3

Implementation of hook_requirements().

File

modules/hs_taxonomy_views.module, line 138

Implementation of the Hierarchical Select API for the Taxonomy module's Views exposed filters.

Code

function hs_taxonomy_views_requirements($phase) {
  $requirements = array();
  if ($phase == 'runtime') {
    $pattern = <<<EOT
function _views_build_filters_form(\$view) {
  // When the form is retrieved through an AJAX callback, the cache hasn't
  // been loaded yet. The cache is necesssary for _views_get_filters().
  views_load_cache();
EOT;
    $views_with_patch_257004 = preg_match('#' . preg_quote($pattern) . '#m', file_get_contents(drupal_get_path('module', 'views') . '/views.module'));
    if ($views_with_patch_257004) {
      $value = t('The Views module is new enough.');
      $description = '';
      $severity = REQUIREMENT_OK;
    }
    else {
      $value = t('The Views module is outdated.');
      $description = t("The version of Views that you have installed is either\n        older than May 11, 2008, or doesn't have the obligatory patch applied.\n        Please apply the <a href=\"!patch_url\">patch</a> or update to a newer\n        version of the Views module!", array(
        '!patch_url' => 'http://drupal.org/files/issues/hs_compatibility.patch',
      ));
      $severity = REQUIREMENT_ERROR;
    }
    $requirements['hs_taxonomy_views'] = array(
      'title' => t('Hierarchical Select Views Taxonomy'),
      'value' => $value,
      'description' => $description,
      'severity' => $severity,
    );
  }
  return $requirements;
}