<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Tax
 * @copyright   Copyright (c) 2010 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

class Mage_Tax_Model_Sales_Pdf_Grandtotal extends Mage_Sales_Model_Order_Pdf_Total_Default
{
    /**
     * Check if tax amount should be included to grandtotals block
     * array(
     *  $index => array(
     *      'amount'   => $amount,
     *      'label'    => $label,
     *      'font_size'=> $font_size
     *  )
     * )
     * @return array
     */
    public function getTotalsForDisplay()
    {
        $store = $this->getOrder()->getStore();
        $config= Mage::getSingleton('tax/config');
        if (!$config->displaySalesTaxWithGrandTotal($store)) {
            return parent::getTotalsForDisplay();
        }
        $amount = $this->getOrder()->formatPriceTxt($this->getAmount());
        $amountExclTax = $this->getAmount()-$this->getSource()->getTaxAmount();
        $amountExclTax = $this->getOrder()->formatPriceTxt($amountExclTax);
        $tax = $this->getOrder()->formatPriceTxt($this->getSource()->getTaxAmount());
        $fontSize = $this->getFontSize() ? $this->getFontSize() : 7;

        $totals = array(
            array(
                'amount'    => $this->getAmountPrefix().$amountExclTax,
                'label'     => Mage::helper('tax')->__('Grand Total (Excl. Tax)') . ':',
                'font_size' => $fontSize
            ),
            array(
                'amount'    => $this->getAmountPrefix().$tax,
                'label'     => Mage::helper('tax')->__('Tax') . ':',
                'font_size' => $fontSize
            ),
            array(
                'amount'    => $this->getAmountPrefix().$amount,
                'label'     => Mage::helper('tax')->__('Grand Total (Incl. Tax)') . ':',
                'font_size' => $fontSize
            ),
        );
        return $totals;
    }
}