1bfa47fb6SAlex<?php 2bfa47fb6SAlexif(!defined('DOKU_INC')) die(); 3bfa47fb6SAlexif(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/'); 4bfa47fb6SAlexrequire_once(DOKU_PLUGIN.'action.php'); 5bfa47fb6SAlex 6bfa47fb6SAlexclass action_plugin_googletagmanager extends DokuWiki_Action_Plugin { 7bfa47fb6SAlex 831d01fc3SNickeau const GTMID = 'GTMID'; 931d01fc3SNickeau 10bfa47fb6SAlex /** 11bfa47fb6SAlex * return some info 12bfa47fb6SAlex */ 13bfa47fb6SAlex function getInfo(){ 14bfa47fb6SAlex return array( 15bfa47fb6SAlex 'author' => 'Alexander Lehmann', 16bfa47fb6SAlex 'email' => 'alexlehm@gmail.com', 17*0fc69df8SAlexander Lehmann 'date' => '2022-12-29', 18bfa47fb6SAlex 'name' => 'Google Tag Manager Plugin', 19bfa47fb6SAlex 'desc' => 'Plugin to embed Google Tag Manager in your wiki.', 20*0fc69df8SAlexander Lehmann 'url' => 'https://www.lehmann.cx/wiki/projects:dokuwiki_gtm', 21bfa47fb6SAlex ); 22bfa47fb6SAlex } 23bfa47fb6SAlex 24bfa47fb6SAlex /** 25bfa47fb6SAlex * Register its handlers with the DokuWiki's event controller 26bfa47fb6SAlex */ 274747d7b2SAndreas Gohr function register(Doku_Event_Handler $controller) { 28bfa47fb6SAlex $controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this, '_addHeaders'); 29bfa47fb6SAlex } 30bfa47fb6SAlex 31bfa47fb6SAlex function _addHeaders (&$event, $param) { 3231d01fc3SNickeau 3331d01fc3SNickeau if(!$this->getConf(self::GTMID)) return; 34*0fc69df8SAlexander Lehmann 35*0fc69df8SAlexander Lehmann $is_AW_tag = substr($this->getConf(self::GTMID),0,3)=='AW-'; 36*0fc69df8SAlexander Lehmann 37*0fc69df8SAlexander Lehmann if($is_AW_tag) { 38*0fc69df8SAlexander Lehmann $event->data['script'][] = array ( 39*0fc69df8SAlexander Lehmann 'src' => "https://www.googletagmanager.com/gtag/js?id=".$this->getConf(self::GTMID), 40*0fc69df8SAlexander Lehmann ); 41*0fc69df8SAlexander Lehmann $event->data['script'][] = array ( 42*0fc69df8SAlexander Lehmann 'type' => 'text/javascript', 43*0fc69df8SAlexander Lehmann '_data' => "window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', '".$this->getConf(self::GTMID)."');", 44*0fc69df8SAlexander Lehmann ); 45*0fc69df8SAlexander Lehmann } else { 46bfa47fb6SAlex $event->data['noscript'][] = array ( 4731d01fc3SNickeau '_data' => '<iframe src="//www.googletagmanager.com/ns.html?id='.$this->getConf(self::GTMID).'" height="0" width="0" style="display:none;visibility:hidden"></iframe>', 48bfa47fb6SAlex ); 49bfa47fb6SAlex $event->data['script'][] = array ( 50bfa47fb6SAlex 'type' => 'text/javascript', 51bfa47fb6SAlex '_data' => "(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': 52bfa47fb6SAlexnew Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], 53bfa47fb6SAlexj=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 54bfa47fb6SAlex'//www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); 5531d01fc3SNickeau})(window,document,'script','dataLayer','".$this->getConf(self::GTMID)."');", 56bfa47fb6SAlex ); 57bfa47fb6SAlex } 58bfa47fb6SAlex } 59*0fc69df8SAlexander Lehmann} 60bfa47fb6SAlex?> 61