/**
* generates the original block
*
* @param Sitewards_BigPipe_Block_Node $sourceBlock
* @return Mage_Core_Block_Abstract
*/
private function generateBlock(Sitewards_BigPipe_Block_Node $sourceBlock)
{
/* @var $node SimpleXMLElement */
$node = $sourceBlock->getOriginalNode();
$layout = Mage::app()->getLayout();
$nodeName = $sourceBlock->getNodeName();
$layout->replaceBlock($node, $sourceBlock->getParent());
return $layout->getBlock($nodeName);
}
/**
* compare by bigpipe-order attribute
*
* @param Sitewards_BigPipe_Block_Node $a
* @param Sitewards_BigPipe_Block_Node $b
* @return int
*/
private function compareByBigPipeOrder(Sitewards_BigPipe_Block_Node $a, Sitewards_BigPipe_Block_Node $b)
{
$aOrder = (int) $a->getOriginalNode()->attributes()->{'bigpipe-order'};
$bOrder = (int) $b->getOriginalNode()->attributes()->{'bigpipe-order'};
if ($aOrder == $bOrder) {
return 0;
}
return $aOrder < $bOrder ? -1 : 1;
}