33 lines
1.3 KiB
PHP
33 lines
1.3 KiB
PHP
<?php
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class GoogleAnalytics extends Extension
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{
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# Add analytics to config
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public function onSetupBuilding(SetupBuildingEvent $event)
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{
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$sb = new SetupBlock("Google Analytics");
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$sb->add_text_option("google_analytics_id", "Analytics ID: ");
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$sb->add_label("<br>(eg. UA-xxxxxxxx-x)");
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$event->panel->add_block($sb);
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}
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# Load Analytics tracking code on page request
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public function onPageRequest(PageRequestEvent $event)
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{
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global $config, $page;
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$google_analytics_id = $config->get_string('google_analytics_id', '');
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if (stristr($google_analytics_id, "UA-")) {
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$page->add_html_header("<script type='text/javascript'>
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var _gaq = _gaq || [];
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_gaq.push(['_setAccount', '$google_analytics_id']);
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_gaq.push(['_trackPageview']);
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(function() {
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var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
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ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
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var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
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})();</script>");
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}
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}
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}
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