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Example rewrite to disable Magento from falling back to base/default
<?php
class Vendor_BaseBlocker_Rewrite_Mage_Core_Model_Design_Package extends Mage_Core_Model_Design_Package
{
/**
* Magento's function with additional condition to around falling back to base/default
*
* @author Wenjiang Xu <wenjiang.xu@ampersandcommerce.com>
*/
protected function _fallback($file, array &$params, array $fallbackScheme = array(array()))
{
if ($this->_shouldFallback) {
foreach ($fallbackScheme as $try) {
$params = array_merge($params, $try);
$filename = $this->validateFile($file, $params);
if ($filename) {
return $filename;
}
}
// This condition is added to allow certain files to fallback to base/default
if ($this->shouldFallbackToBase($file)) {
$params['_package'] = self::BASE_PACKAGE;
$params['_theme'] = self::DEFAULT_THEME;
}
}
return $this->_renderFilename($file, $params);
}
/**
* This function is a white list, return true to allow file to fallback to base/default
*
* @param $file
* @return bool
* @author Wenjiang Xu <wenjiang.xu@ampersandcommerce.com>
* @author Yousef Cisco <yc@amp.co>
*/
protected function shouldFallbackToBase($file)
{
// Allow fallback in adminhtml
if ($this->getArea() != self::DEFAULT_AREA) {
return true;
}
$exceptions = array(
'vendor',
'paypal',
'sagepay',
'payment',
);
// Allow exceptions
foreach ($exceptions as $exception) {
if (stripos($file, $exception) !== false) {
return true;
}
}
return false;
}
}
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