/code/Model/Sales/Order/Pdf/Invoice.php

<?php

/**
 * OSdave's Spanish Invoice
 *
 * Invoice Pdf Model
 *
 * @author 		david.parloir@gmail.com
 * @author 		David Parloir
 * @package 	Osdave
 * @subpackage	Invoice
 * @copyright 	Copyright (c) David Parloir 2011
 * @copyright 	Licensed under the Creative Commons "Attribution-Noncommercial-Share Alike" License
 *              http://creativecommons.org/licenses/by-nc-sa/3.0/us/
 */
class Osdave_Invoice_Model_Sales_Order_Pdf_Invoice extends Mage_Sales_Model_Order_Pdf_Invoice
{

    public function getPdf($invoices = array())
    {
        $this->_beforeGetPdf();
        $this->_initRenderer('invoice');

        $pdf = new Zend_Pdf();
        $this->_setPdf($pdf);
        $style = new Zend_Pdf_Style();
        $this->_setFontBold($style, 10);

        foreach ($invoices as $invoice) {
            if ($invoice->getStoreId()) {
                Mage::app()->getLocale()->emulate($invoice->getStoreId());
            }
            $page = $pdf->newPage(Zend_Pdf_Page::SIZE_A4);
            $pdf->pages[] = $page;

            $order = $invoice->getOrder();

            /* Add image */
            $this->insertLogo($page, $invoice->getStore());

            /* Add address */
            $this->insertAddress($page, $invoice->getStore());

            /* Add head */
            $this->insertOrder($page, $order, Mage::getStoreConfigFlag(self::XML_PATH_SALES_PDF_INVOICE_PUT_ORDER_ID, $order->getStoreId()));


            $page->setFillColor(new Zend_Pdf_Color_GrayScale(1));
            $this->_setFontRegular($page);
            $page->drawText(Mage::helper('sales')->__('Invoice # ') . $invoice->getIncrementId(), 35, 780, 'UTF-8');

            /* Add table */
            $page->setFillColor(new Zend_Pdf_Color_RGB(0.93, 0.92, 0.92));
            $page->setLineColor(new Zend_Pdf_Color_GrayScale(0.5));
            $page->setLineWidth(0.5);

            $page->drawRectangle(25, $this->y, 570, $this->y - 15);
            $this->y -=10;

            /* Add table head */
            $page->setFillColor(new Zend_Pdf_Color_RGB(0.4, 0.4, 0.4));
            $page->drawText(Mage::helper('sales')->__('Products'), 35, $this->y, 'UTF-8');
            $page->drawText(Mage::helper('sales')->__('SKU'), 255, $this->y, 'UTF-8');
            $page->drawText(Mage::helper('sales')->__('Price'), 380, $this->y, 'UTF-8');
            $page->drawText(Mage::helper('sales')->__('Qty'), 405, $this->y, 'UTF-8');
            $page->drawText(Mage::helper('invoice')->__('Tax Class'), 440, $this->y, 'UTF-8');
            $page->drawText(Mage::helper('invoice')->__('Tax Amount'), 490, $this->y, 'UTF-8');
            $page->drawText(Mage::helper('sales')->__('Subtotal'), 535, $this->y, 'UTF-8');

            $this->y -=15;

            $page->setFillColor(new Zend_Pdf_Color_GrayScale(0));

            /* Add body */
            foreach ($invoice->getAllItems() as $item) {
                if ($item->getOrderItem()->getParentItem()) {
                    continue;
                }

                if ($this->y < 15) {
                    $page = $this->newPage(array('table_header' => true));
                }

                /* Draw item */
                $page = $this->_drawItem($item, $page, $order);
            }

            /* Add totals */
            $page = $this->insertTotals($page, $invoice);

            /* Add Page Number */
            $numPage = 1;
            $this->_setFontRegular($page, 5); //smaller font
            foreach ($pdf->pages as $pageItem) {
                $pageItem->drawText(Mage::helper('invoice')->__('Page %d of %d', $numPage, sizeof($pdf->pages)), 10, 10, 'UTF-8');
                $numPage++;
            }

            if ($invoice->getStoreId()) {
                Mage::app()->getLocale()->revert();
            }
        }

        $this->_afterGetPdf();

        return $pdf;
    }

    /**
     * Create new page and assign to PDF object
     *
     * @param array $settings
     * @return Zend_Pdf_Page
     */
    public function newPage(array $settings = array())
    {
        /* Add new table head */
        $page = $this->_getPdf()->newPage(Zend_Pdf_Page::SIZE_A4);
        $this->_getPdf()->pages[] = $page;
        $this->y = 800;

        if (!empty($settings['table_header'])) {
            $this->_setFontRegular($page);
            $page->setFillColor(new Zend_Pdf_Color_RGB(0.93, 0.92, 0.92));
            $page->setLineColor(new Zend_Pdf_Color_GrayScale(0.5));
            $page->setLineWidth(0.5);
            $page->drawRectangle(25, $this->y, 570, $this->y - 15);
            $this->y -=10;

            $page->setFillColor(new Zend_Pdf_Color_RGB(0.4, 0.4, 0.4));
            $page->drawText(Mage::helper('sales')->__('Product'), 35, $this->y, 'UTF-8');
            $page->drawText(Mage::helper('sales')->__('SKU'), 255, $this->y, 'UTF-8');
            //put columns more to the left, to make space for new column
            $page->drawText(Mage::helper('sales')->__('Price'), 290, $this->y, 'UTF-8');
            $page->drawText(Mage::helper('sales')->__('Qty'), 540, $this->y, 'UTF-8');
            $page->drawText(Mage::helper('invoice')->__('Tax Class'), 480, $this->y, 'UTF-8');
            $page->drawText(Mage::helper('invoice')->__('Tax Amount'), 480, $this->y, 'UTF-8');
            $page->drawText(Mage::helper('sales')->__('Subtotal'), 535, $this->y, 'UTF-8');

            $page->setFillColor(new Zend_Pdf_Color_GrayScale(0));
            $this->y -=20;
        }

        return $page;
    }

    /**
     * Overwriting abstract methods
     * @see Mage_Sales_Model_Order_Pdf_Abstract::insertOrder($page, $order, $putOrderId)
     */
    protected function insertOrder(&$page, $order, $putOrderId = true)
    {
        /* @var $order Mage_Sales_Model_Order */
        $page->setFillColor(new Zend_Pdf_Color_GrayScale(0.5));

        $page->drawRectangle(25, 790, 570, 755);

        $page->setFillColor(new Zend_Pdf_Color_GrayScale(1));
        $this->_setFontRegular($page);


        if ($putOrderId) {
            $page->drawText(Mage::helper('sales')->__('Order # ') . $order->getRealOrderId(), 35, 770, 'UTF-8');
        }
        //$page->drawText(Mage::helper('sales')->__('Order Date: ') . date( 'D M j Y', strtotime( $order->getCreatedAt() ) ), 35, 760, 'UTF-8');
        $page->drawText(Mage::helper('sales')->__('Order Date: ') . Mage::helper('core')->formatDate($order->getCreatedAtStoreDate(), 'medium', false), 35, 760, 'UTF-8');

        $page->setFillColor(new Zend_Pdf_Color_Rgb(0.93, 0.92, 0.92));
        $page->setLineColor(new Zend_Pdf_Color_GrayScale(0.5));
        $page->setLineWidth(0.5);
        $page->drawRectangle(25, 755, 275, 730);
        $page->drawRectangle(275, 755, 570, 730);

        /* Calculate blocks info */

        /* Billing Address */
        $billingAddress = $this->_formatAddress($order->getBillingAddress()->format('pdf'));

        /* Payment */
        $paymentInfo = Mage::helper('payment')->getInfoBlock($order->getPayment())
                ->setIsSecureMode(true)
                ->toPdf();
        $payment = explode('{{pdf_row_separator}}', $paymentInfo);
        foreach ($payment as $key => $value) {
            if (strip_tags(trim($value)) == '') {
                unset($payment[$key]);
            }
        }
        reset($payment);

        /* Shipping Address and Method */
        if (!$order->getIsVirtual()) {
            /* Shipping Address */
            $shippingAddress = $this->_formatAddress($order->getShippingAddress()->format('pdf'));

            $shippingMethod = $order->getShippingDescription();
        }

        $page->setFillColor(new Zend_Pdf_Color_GrayScale(0));
        $this->_setFontRegular($page);
        $page->drawText(Mage::helper('sales')->__('SOLD TO:'), 35, 740, 'UTF-8');

        if (!$order->getIsVirtual()) {
            $page->drawText(Mage::helper('sales')->__('SHIP TO:'), 285, 740, 'UTF-8');
        } else {
            $page->drawText(Mage::helper('sales')->__('Payment Method:'), 285, 740, 'UTF-8');
        }

        /**
         * adding TaxVat number
         */
        $nif = $order->getCustomerTaxvat();
        if (!is_null($nif)) {
            $billingAddress[] = Mage::helper('invoice')->__('TaxVat Nº: ') . strip_tags(ltrim($nif));
        }


        if (!$order->getIsVirtual()) {
            $y = 730 - (max(count($billingAddress), count($shippingAddress)) * 10 + 5);
        } else {
            $y = 730 - (count($billingAddress) * 10 + 5);
        }

        $page->setFillColor(new Zend_Pdf_Color_GrayScale(1));
        $page->drawRectangle(25, 730, 570, $y);
        $page->setFillColor(new Zend_Pdf_Color_GrayScale(0));
        $this->_setFontRegular($page);
        $this->y = 720;

        foreach ($billingAddress as $value) {
            if ($value !== '') {
                $page->drawText(strip_tags(ltrim($value)), 35, $this->y, 'UTF-8');
                $this->y -=10;
            }
        }

        if (!$order->getIsVirtual()) {
            /**
             * changing $this->y to $newY
             * billingAddres has 1 more field now (taxvat number)
             */
            $newY = 720;
            foreach ($shippingAddress as $value) {
                if ($value !== '') {
                    $page->drawText(strip_tags(ltrim($value)), 285, $newY, 'UTF-8');
                    $newY -=10;
                }
            }

            $page->setFillColor(new Zend_Pdf_Color_Rgb(0.93, 0.92, 0.92));
            $page->setLineWidth(0.5);
            $page->drawRectangle(25, $this->y, 275, $this->y - 25);
            $page->drawRectangle(275, $this->y, 570, $this->y - 25);

            $this->y -=15;
            $this->_setFontBold($page);
            $page->setFillColor(new Zend_Pdf_Color_GrayScale(0));
            $page->drawText(Mage::helper('sales')->__('Payment Method'), 35, $this->y, 'UTF-8');
            $page->drawText(Mage::helper('sales')->__('Shipping Method:'), 285, $this->y, 'UTF-8');

            $this->y -=10;
            $page->setFillColor(new Zend_Pdf_Color_GrayScale(1));

            $this->_setFontRegular($page);
            $page->setFillColor(new Zend_Pdf_Color_GrayScale(0));

            $paymentLeft = 35;
            $yPayments = $this->y - 15;
        } else {
            $yPayments = 720;
            $paymentLeft = 285;
        }

        foreach ($payment as $value) {
            if (trim($value) !== '') {
                $page->drawText(strip_tags(trim($value)), $paymentLeft, $yPayments, 'UTF-8');
                $yPayments -=10;
            }
        }

        if (!$order->getIsVirtual()) {
            $this->y -=15;

            $page->drawText($shippingMethod, 285, $this->y, 'UTF-8');

            $yShipments = $this->y;


            $totalShippingChargesText = "(" . Mage::helper('sales')->__('Total Shipping Charges') . " " . $order->formatPriceTxt($order->getShippingAmount()) . ")";

            $page->drawText($totalShippingChargesText, 285, $yShipments - 7, 'UTF-8');
            $yShipments -=10;
            $tracks = $order->getTracksCollection();
            if (count($tracks)) {
                $page->setFillColor(new Zend_Pdf_Color_Rgb(0.93, 0.92, 0.92));
                $page->setLineWidth(0.5);
                $page->drawRectangle(285, $yShipments, 510, $yShipments - 10);
                $page->drawLine(380, $yShipments, 380, $yShipments - 10);
                //$page->drawLine(510, $yShipments, 510, $yShipments - 10);

                $this->_setFontRegular($page);
                $page->setFillColor(new Zend_Pdf_Color_GrayScale(0));
                //$page->drawText(Mage::helper('sales')->__('Carrier'), 290, $yShipments - 7 , 'UTF-8');
                $page->drawText(Mage::helper('sales')->__('Title'), 290, $yShipments - 7, 'UTF-8');
                $page->drawText(Mage::helper('sales')->__('Number'), 385, $yShipments - 7, 'UTF-8');

                $yShipments -=17;
                $this->_setFontRegular($page, 6);
                foreach ($order->getTracksCollection() as $track) {

                    $CarrierCode = $track->getCarrierCode();
                    if ($CarrierCode != 'custom') {
                        $carrier = Mage::getSingleton('shipping/config')->getCarrierInstance($CarrierCode);
                        $carrierTitle = $carrier->getConfigData('title');
                    } else {
                        $carrierTitle = Mage::helper('sales')->__('Custom Value');
                    }

                    //$truncatedCarrierTitle = substr($carrierTitle, 0, 35) . (strlen($carrierTitle) > 35 ? '...' : '');
                    $truncatedTitle = substr($track->getTitle(), 0, 45) . (strlen($track->getTitle()) > 45 ? '...' : '');
                    //$page->drawText($truncatedCarrierTitle, 285, $yShipments , 'UTF-8');
                    $page->drawText($truncatedTitle, 300, $yShipments, 'UTF-8');
                    $page->drawText($track->getNumber(), 395, $yShipments, 'UTF-8');
                    $yShipments -=7;
                }
            } else {
                $yShipments -= 7;
            }

            $currentY = min($yPayments, $yShipments);

            // replacement of Shipments-Payments rectangle block
            $page->drawLine(25, $this->y + 15, 25, $currentY);
            $page->drawLine(25, $currentY, 570, $currentY);
            $page->drawLine(570, $currentY, 570, $this->y + 15);

            $this->y = $currentY;
            $this->y -= 15;
        }
    }

    /**
     * Overwriting abstract methods
     * @see Mage_Sales_Model_Order_Pdf_Abstract::insertTotals($page, $source)
     */
    protected function insertTotals($page, $source)
    {
        $order = $source->getOrder();
        $totals = $this->_getTotalsList($source);
        $lineBlock = array(
            'lines' => array(),
            'height' => 15
        );

        foreach ($totals as $total) {
            $total->setOrder($order)
                    ->setSource($source);

            if ($total->canDisplay()) {
                foreach ($total->getTotalsForDisplay() as $totalData) {
                    $lineBlock['lines'][] = array(
                        array(
                            'text' => $totalData['label'],
                            'feed' => 475,
                            'align' => 'right',
                            'font_size' => $totalData['font_size'],
                            'font' => 'bold'
                        ),
                        array(
                            'text' => $totalData['amount'],
                            'feed' => 565,
                            'align' => 'right',
                            'font_size' => $totalData['font_size'],
                            'font' => 'bold'
                        ),
                    );
                }
            }
        }

        $page = $this->drawLineBlocks($page, array($lineBlock));
        return $page;
    }

}