function print_preprocess_print_node in Printer, email and PDF versions 6

Same name and namespace in other branches

1. 5.x print.module \print_preprocess_print_node()

Implementation of hook_preprocess_HOOK().

File

./print.module, line 122

Displays Printer-friendly versions of Drupal pages.

Code

function print_preprocess_print_node(&$variables) {
  static $hooks = NULL;
  if (!isset($hooks)) {
    init_theme();
    $hooks = theme_get_registry();
  }

  // Stolen from theme() so that ALL preprocess functions are called
  $info = $hooks['node'];
  if (isset($info['preprocess functions']) && is_array($info['preprocess functions'])) {

    // This construct ensures that we can keep a reference through
    // call_user_func_array.
    $args = array(
      &$variables,
      'node',
    );
    foreach ($info['preprocess functions'] as $preprocess_function) {
      if (function_exists($preprocess_function)) {
        call_user_func_array($preprocess_function, $args);
      }
    }
  }
  $variables += $args[0];

  // Include the right template suggestions based on format (print, email) and type.
  $format = $variables['type'];
  $type = $variables['node']->type;
  $variables['template_files'][] = "node";
  $variables['template_files'][] = "node-{$type}";
  $variables['template_files'][] = "print_node";
  $variables['template_files'][] = "print_node_{$format}";
  $variables['template_files'][] = "print_node_{$format}.node-{$type}";
}