public function GTMContainerManager::getScriptAttachments in GoogleTagManager 7.2

Adds render array items of page attachments.

Parameters

array $page: The page render array.

Overrides ContainerManagerInterface::getScriptAttachments

File

includes/entity/manager.inc, line 122

Class

GTMContainerManager

Defines the Google tag container manager.

Code

public function getScriptAttachments(array &$page) {
  $containers = $this
    ->loadContainers();
  foreach ($containers as $container) {
    if (!$container
      ->insertSnippet()) {
      continue;
    }
    static $weight = 9;
    $include_script_as_file = \GTMSettings::getInstance()
      ->get('include_file');
    $include_classes = $container
      ->get('include_classes');

    // @todo Only want one data_layer snippet even with multiple containers.
    // If user sorts containers such that the first does not define the data
    // layer, then validate this or adjust for it here.
    // Sort the items being added and put the data_layer at top?
    $types = $include_classes ? array(
      'data_layer',
      'script',
    ) : array(
      'script',
    );
    $data_layer = $container
      ->get('data_layer');
    if ($include_classes && module_exists('datalayer') && $data_layer == 'dataLayer') {
      $container
        ->dataLayerSnippet($classes);
      if ($classes) {

        // Add data_layer using dataLayer module.
        datalayer_add($classes);
      }
      $types = array(
        'script',
      );
    }

    // Add data_layer and script snippets to head (no longer by default).
    if ($include_script_as_file) {
      foreach ($types as $type) {

        // @todo Will it matter if file is empty?
        // @todo Check config for the whitelist and blacklist classes before adding.
        $container
          ->fileTag($type, $weight++);
      }
    }
    else {
      foreach ($types as $type) {

        // @see drupal_get_js() in 7.x core.
        // For inline JavaScript to validate as XHTML, all JavaScript containing
        // XHTML needs to be wrapped in CDATA.
        $container
          ->inlineTag($type, $weight++);
      }
    }
  }
}