/**
* Activate the GoogleLogger
*
* @param $code mixed:
* String the Google Analytics code to be used in the JS snippet or
* String 'SiteConfig' for using the SiteConfig to configure this value or
* Null if you hardcode the JS snippet into your template. The JS snippet will not be included through Requirements
*
**/
public static function activate($code = null)
{
switch ($code) {
case null:
self::$google_analytics_code = null;
break;
case 'SiteConfig':
SiteConfig::add_extension('GoogleConfig');
break;
default:
self::$google_analytics_code = $code;
}
Controller::add_extension('GoogleLogger');
if (substr(GoogleAnalyzer::get_sapphire_version(), 0, 3) == '2.3') {
Director::add_callback(array("GoogleLogger", "onAfterInit23"));
}
}