1bfa47fb6SAlex<?php 2bfa47fb6SAlex 3bfa47fb6SAlexclass action_plugin_googletagmanager extends DokuWiki_Action_Plugin { 4bfa47fb6SAlex 531d01fc3SNickeau const GTMID = 'GTMID'; 631d01fc3SNickeau 7bfa47fb6SAlex /** 8bfa47fb6SAlex * return some info 9bfa47fb6SAlex */ 10bfa47fb6SAlex function getInfo(){ 11bfa47fb6SAlex return array( 12bfa47fb6SAlex 'author' => 'Alexander Lehmann', 13bfa47fb6SAlex 'email' => 'alexlehm@gmail.com', 140fc69df8SAlexander Lehmann 'date' => '2022-12-29', 15bfa47fb6SAlex 'name' => 'Google Tag Manager Plugin', 16bfa47fb6SAlex 'desc' => 'Plugin to embed Google Tag Manager in your wiki.', 170fc69df8SAlexander Lehmann 'url' => 'https://www.lehmann.cx/wiki/projects:dokuwiki_gtm', 18bfa47fb6SAlex ); 19bfa47fb6SAlex } 20bfa47fb6SAlex 21bfa47fb6SAlex /** 22bfa47fb6SAlex * Register its handlers with the DokuWiki's event controller 23bfa47fb6SAlex */ 244747d7b2SAndreas Gohr function register(Doku_Event_Handler $controller) { 25*8b69576fSAlexander Lehmann $controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this, 'addHeaders'); 26bfa47fb6SAlex } 27bfa47fb6SAlex 28*8b69576fSAlexander Lehmann function addHeaders (&$event, $param) { 29*8b69576fSAlexander Lehmann $GTMID=$this->getConf(self::GTMID); 30*8b69576fSAlexander Lehmann if(!$GTMID) return; 3131d01fc3SNickeau 32*8b69576fSAlexander Lehmann $is_AW_tag = substr($GTMID,0,3)=='AW-'; 330fc69df8SAlexander Lehmann 340fc69df8SAlexander Lehmann if($is_AW_tag) { 350fc69df8SAlexander Lehmann $event->data['script'][] = array ( 36*8b69576fSAlexander Lehmann 'src' => "https://www.googletagmanager.com/gtag/js?id=".$GTMID, 370fc69df8SAlexander Lehmann ); 380fc69df8SAlexander Lehmann $event->data['script'][] = array ( 390fc69df8SAlexander Lehmann 'type' => 'text/javascript', 40*8b69576fSAlexander Lehmann '_data' => "window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', '".$GTMID."');", 410fc69df8SAlexander Lehmann ); 420fc69df8SAlexander Lehmann } else { 43bfa47fb6SAlex $event->data['noscript'][] = array ( 44*8b69576fSAlexander Lehmann '_data' => '<iframe src="https://www.googletagmanager.com/ns.html?id='.$GTMID.'" height="0" width="0" style="display:none;visibility:hidden"></iframe>', 45bfa47fb6SAlex ); 46bfa47fb6SAlex $event->data['script'][] = array ( 47bfa47fb6SAlex 'type' => 'text/javascript', 48bfa47fb6SAlex '_data' => "(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': 49bfa47fb6SAlexnew Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], 50bfa47fb6SAlexj=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 51*8b69576fSAlexander Lehmann'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); 52*8b69576fSAlexander Lehmann})(window,document,'script','dataLayer','".$GTMID."');", 53bfa47fb6SAlex ); 54bfa47fb6SAlex } 55bfa47fb6SAlex } 560fc69df8SAlexander Lehmann} 57bfa47fb6SAlex?> 58