/**
* Retrieve tax calculation html content
*
* @param Varien_Object $item
* @return string
*/
public function displayTaxCalculation(Varien_Object $item)
{
if ($item->getTaxPercent() && $item->getTaxString() == '') {
$percents = array($item->getTaxPercent());
} else {
if ($item->getTaxString()) {
$percents = explode(Mage_Tax_Model_Config::CALCULATION_STRING_SEPARATOR, $item->getTaxString());
} else {
return '0%';
}
}
foreach ($percents as &$percent) {
$percent = sprintf('%.2f%%', $percent);
}
return implode(' + ', $percents);
}
