Your IP : 10.10.0.253
<?php
/**
* @version 3.2
* @author Michael A. Gilkes (michael@valorapps.com)
* @copyright Michael Albert Gilkes
* @license GNU/GPLv2
*/
/*
Easy Google Analytics for Joomla!
Copyright (C) 2011-2015 Michael Albert Gilkes
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
// no direct access
defined('_JEXEC') or die('Restricted access');
//imports
jimport('joomla.plugin.plugin'); //needed for MVC implementation
class plgSystemEasyGoogleAnalytics extends JPlugin
{
/**
* Constructor
*
* @access public
* @param object $subject The object to observe
* @param array $config An array that holds the plugin configuration
* @since 1.6
*/
public function __construct(&$subject, $config)
{
// Note:
// $config should contain the params
parent::__construct($subject, $config);
}
/**
* @param none
*
* @return none
* @since 1.5.23
*/
public function onBeforeCompileHead()
{
// check whether plugin has been unpublished
if ($this->params->get('enabled', 1))
{
if ($this->params->get('ega_admin') == true)
{
//get application instance
$app = JFactory::getApplication();
//check to see if we are in the front-end or back-end
if($app->isAdmin())
{
return; //leave since we are in the back-end. bye.
}
}
//get the parameters
$profileID = $this->params->get('ega_profileid');
$tracking = $this->params->get('ega_tracking');
$hostname = $this->params->get('ega_hostname');
$track = $this->params->get('ega_track');
$jscript = $this->params->get('ega_jscript');
$category = $this->params->get('ega_category');
$skiplinks = $this->params->get('ega_skiplinks');
//remove whitespace from skiplinks
$skiplinks = preg_replace('/\s+/', '', $skiplinks);
//replace any '.' with '\.'
$skiplinks = str_replace('.', '\.', $skiplinks);
//ensure the proper javascript libraries are loaded, instead of assuming
if ($jscript == 'jquery')
{
JHtml::_('jquery.framework');
}
else //mootools
{
JHtml::_('behavior.framework');
}
//handle the completed asynchronous tracking code
$this->customTrackingCode($profileID, $tracking, $hostname);
//handle the tracking of outbound links
if ($track == 1)
{
$this->trackOutboundLinks($category, $jscript, $skiplinks, $tracking);
}
}
}
/**
* method that composes the tracking code for a single domain
*/
protected function customTrackingCode($profileID, $tracking, $hostname)
{
$script = "\n\n".'/*=== EASY GOOGLE ANALYTICS : START TRACKING CODE ===*/';
if ($tracking == 'universal')
{
$script.= "\n\t"."(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){";
$script.= "\n\t"."(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),";
$script.= "\n\t"."m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)";
$script.= "\n\t"."})(window,document,'script','//www.google-analytics.com/analytics.js','ga');";
$script.= "\n\t"."ga('create', '".$profileID."', '".$hostname."');";
$script.= "\n\t"."ga('send', 'pageview');";
}
else
{
$script.= "\n\t"."var _gaq = _gaq || [];";
$script.= "\n\t"."_gaq.push(['_setAccount', '".$profileID."']);";
if ($tracking == 'subdomains')
{
$script.= "\n\t"."_gaq.push(['_setDomainName', '.".$hostname."']);";
}
elseif ($tracking == 'tld')
{
$script.= "\n\t"."_gaq.push(['_setDomainName', 'none']);";
$script.= "\n\t"."_gaq.push(['_setAllowLinker', true]);";
}
$script.= "\n\t"."_gaq.push(['_trackPageview']);"."\n";
$script.= "\n\t"."(function() {";
$script.= "\n\t\t"."var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;";
$script.= "\n\t\t"."ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';";
$script.= "\n\t\t"."var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);";
$script.= "\n\t"."})();";
}
$script.= "\n".'/*=== EASY GOOGLE ANALYTICS : END TRACKING CODE ===*/'."\n";
//add the javascript to the head of the html document
$document = JFactory::getDocument();
$document->addScriptDeclaration($script);
}
//Reference: https://support.google.com/analytics/answer/1136920?hl=en
protected function trackOutboundLinks($category, $jscript, $skiplinks, $tracking)
{
//add the trackEvent code
$script = "\n".'/*=== EASY GOOGLE ANALYTICS : START OUTBOUND LINKS ===*/'."\n";
$script.= "function trackOutboundLink(link, category, action) { "."\n";
$script.= " try { "."\n";
if ($tracking == 'universal')
{
$script.= " var blank = 'inline';\n";
$script.= " if (link.getAttribute('target') == '_blank') {\n";
$script.= " blank = 'blank';\n";
$script.= " }\n";
$script.= " ga('send', 'event', category, action, blank, {'hitCallback': "."\n";
$script.= " function() {"."\n";
if (empty($skiplinks))
{
$script.= " if (blank == 'blank') {"."\n";
/* Note: window.open() may trigger pop-up blockers. */
$script.= " window.open(action, '_blank');\n";
$script.= " } else {\n";
$script.= " document.location = action;"."\n";
$script.= " }\n";
}
else
{
$script.= " var patt=/".$skiplinks."/i;"."\n";
$script.= " if (!patt.test(action)) {"."\n";
$script.= " if (blank == 'blank') {"."\n";
/* Note: window.open() may trigger pop-up blockers. */
$script.= " window.open(action, '_blank');\n";
$script.= " } else {\n";
$script.= " document.location = action;"."\n";
$script.= " }\n";
$script.= " }"."\n";
}
$script.= " }"."\n";
$script.= " });"."\n";
}
else
{
$script.= " _gaq.push(['_trackEvent', category , action]); "."\n";
}
$script.= " } catch(err){\n";
$script.= " if (window.console) { console.error(err); }\n";
$script.= " }\n";
if ($tracking != 'universal')
{
$script.= " setTimeout(function() {"."\n";
if (empty($skiplinks))
{
$script.= " if (link.getAttribute('target') == '_blank') {\n";
/* Note: window.open() may trigger pop-up blockers. */
$script.= " window.open(action, '_blank');\n";
$script.= " } else {\n";
$script.= " document.location = action;"."\n";
$script.= " }\n";
}
else
{
$script.= " var patt=/".$skiplinks."/i;"."\n";
$script.= " if (!patt.test(action)) {"."\n";
$script.= " if (link.getAttribute('target') == '_blank') {\n";
/* Note: window.open() may trigger pop-up blockers. */
$script.= " window.open(action, '_blank');\n";
$script.= " } else {\n";
$script.= " document.location = action;"."\n";
$script.= " }\n";
$script.= " }"."\n";
}
$script.= " }, 100);"."\n";
}
$script.= "}";
$script.= "\n".'/*=== EASY GOOGLE ANALYTICS : END OUTBOUND LINKS ===*/'."\n";
//add the javascript to the head of the html document
$document = JFactory::getDocument();
$document->addScriptDeclaration($script);
//handling onClick links
$js = "\n".'/*=== EASY GOOGLE ANALYTICS : START FIXING LINKS ===*/'."\n";
/* search for absolute URLs starting with http, then check if they are not site domain */
if ($jscript == 'jquery')
{
$js.= "if(typeof jQuery == 'function') {"."\n";
$js.= " jQuery(function () {"."\n";
$js.= " jQuery('a[href^=\"http\"]:not([href*=\"'+document.domain+'\"])').click(function () {"."\n";
$js.= " trackOutboundLink(this, '".$category."', jQuery(this).attr('href')); return false;"."\n";
$js.= " });"."\n";
$js.= " });"."\n";
$js.= "}";
}
else //$jscript == 'mootools'
{
$js.= "window.addEvent('domready', function(){"."\n";
$js.= " $$('a[href^=\"http\"]:not([href*=\"' + document.domain + '\"])').each(function(el){"."\n";
$js.= " el.addEvent('click', function(){"."\n";
$js.= " trackOutboundLink(this, '".$category."', el.getProperty('href')); return false;"."\n";
$js.= " });"."\n";
$js.= " });"."\n";
$js.= "});";
}
$js.= "\n".'/*=== EASY GOOGLE ANALYTICS : END FIXING LINKS ===*/'."\n";
//add the javascript to the head of the html document
$document->addScriptDeclaration($js);
}
}