/**
* Listen to the event core_layout_render_element
*
* @param \Magento\Framework\Event\Observer $observer
* @return $this
*/
public function execute(\Magento\Framework\Event\Observer $observer)
{
if ($this->helper->isEnabled() == false) {
return $this;
}
if ($this->helper->isMethodObserver() == false) {
return $this;
}
$event = $observer->getEvent();
$blockName = $event->getElementName();
if (empty($blockName)) {
return $this;
}
if ($blockName != 'root') {
return $this;
}
$transport = $event->getTransport();
$html = $transport->getHtml();
$script = $this->helper->getHeaderScript();
if (empty($script)) {
$this->helper->debug('Observer: Empty script');
return $this;
}
$html = preg_replace('/\\<body([^\\>]+)\\>/', '\\0' . $script, $html);
$this->helper->debug('Observer: Replacing header');
$transport->setHtml($html);
return $this;
}
/**
* Return whether this module is enabled or not
*
* @return bool
*/
public function isEnabled()
{
return $this->helper->isEnabled();
}
/**
* @test
* @covers \Yireo\GoogleTagManager2\Helper\Data::getConfigValue
*/
public function testIsEnabled()
{
$this->assertEquals($this->target->isEnabled(), (bool) $this->_getConfigValue('enabled'));
}
