Hide checkbox if module output was disabled by configuration

Author: quafzi

src/app/code/community/Quafzi/CheckoutNewsletterSubscription/Model/Observer.php

@@ -4,7 +4,9 @@ class Quafzi_CheckoutNewsletterSubscription_Model_Observer
 
  public function addCheckbox ($observer)
  {
- if ($observer->getBlock() instanceof Mage_Checkout_Block_Agreements) {
+ if ($observer->getBlock() instanceof Mage_Checkout_Block_Agreements
+ && false === (boolean)(int)Mage::getStoreConfig('advanced/modules_disable_output/Quafzi_CheckoutNewsletterSubscription')
+ ) {
  $html = $observer->getTransport()->getHtml();
  $checkboxHtml = '<li><p class="agree">'
  . '<input id="subscribe_newsletter" name="is_subscribed" checked="checked" value="1" class="checkbox" type="checkbox" />'