问题
I have a problem generating Barcode in Delivery Slip template in Prestashop 1.7.6.x (or just 1.7) with the same template i was using in Prestashop 1.6
when i call the method via it give me error Using "$this when not in object context" this is the stack trace via Symfony debugger
Symfony\Component\Debug\Exception\FatalThrowableError:
Using $this when not in object context
at vendor/tecnickcom/tcpdf/tcpdf.php:17060
at TCPDF::serializeTCPDFtagParameters(array('6856616461MA', 'C39', '70.2', '34.5', '74.8', '21.3', '0.4', array('position' => 'R', 'label' => '*6856616461MA*', 'border' => true, 'padding' => 3, 'fgcolor' => array(0, 0, 0), 'bgcolor' => array(255, 255, 255), 'text' => true, 'font' => 'helvetica', 'fontsize' => 12, 'stretchtext' => 4), 'N'))
(var/cache/dev/smarty/compile/ea/e9/5b/eae95be0cc705554fab57fc3b0d03cf1e7597307_0.file.delivery-slip.tpl.php:31)
at content_5d5c68664b85e2_58996534(object(SmartyCustomTemplate))
(vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php:123)
at Smarty_Template_Resource_Base->getRenderedTemplateCode(object(SmartyCustomTemplate))
(vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php:114)
at Smarty_Template_Compiled->render(object(SmartyCustomTemplate))
(vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php:216)
at Smarty_Internal_Template->render(false, 0)
(vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php:232)
at Smarty_Internal_TemplateBase->_execute(object(SmartyCustomTemplate), null, null, null, 0)
(vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php:116)
at Smarty_Internal_TemplateBase->fetch('/home/data/data/pdf/delivery-slip.tpl', null, null, null, false, true, false)
(classes/Smarty/SmartyCustom.php:112)
at SmartyCustomCore->fetch('/home/data/data/data/delivery-slip.tpl')
(classes/pdf/HTMLTemplateDeliverySlip.php:139)
at HTMLTemplateDeliverySlipCore->getContent()
(classes/pdf/PDF.php:128)
at PDFCore->render()
(override/controllers/admin/AdminPdfController.php:18)
at AdminPdfController->generatePDF(object(PrestaShopCollection), 'DeliverySlip')
(controllers/admin/AdminPdfController.php:170)
at AdminPdfControllerCore->generateDeliverySlipPDFByIdOrder(2837)
(controllers/admin/AdminPdfController.php:82)
at AdminPdfControllerCore->processGenerateDeliverySlipPDF()
(classes/controller/AdminController.php:988)
at AdminControllerCore->postProcess()
(controllers/admin/AdminPdfController.php:30)
at AdminPdfControllerCore->postProcess()
(classes/controller/Controller.php:280)
at ControllerCore->run()
(classes/Dispatcher.php:515)
at DispatcherCore->dispatch()
(adminfolder/index.php:97)
pdf/delivery-slip.tpl
{$style_tab}
{assign var=nejma value="*"}
{assign var=code value="`$nejma``$order->shipping_number``$nejma`"}
{assign var=black value=[0,0,0]}{assign var=white value=[255,255,255]}
{assign var=stuff value=['position'=>'R','label'=>$code, 'border'=>true, 'padding'=>3, 'fgcolor'=>$black, 'bgcolor'=>$white, 'text'=>true, 'font'=>'helvetica', 'fontsize'=>12, 'stretchtext'=>4]}
{assign var=params value=TCPDF::serializeTCPDFtagParameters($order->shipping_number, 'C39', '70.2', '34.5', '74.8', '21.3', '0.4', $stuff, 'N')}
<tcpdf method="write1DBarcode" params="{$params}"/>
{* {$bc} *}
<table border="1">
{* logo *}
<tr>
<th width="185" height="72" colspan="2" rowspan="2" >
<div class="center" >{if $logo_path}
<img src="{$logo_path}" style="width:auto; height:72px;" />
{/if}
</div>
</th>
<th class="header" width="71" height="42">
<div class="center" >MONTANT CRBT</div>
</th>
<th class="header" width="71" height="42">
<div class="center">CCP N°</div>
</th>
<th class="header" width="71" height="42">
<div class="center">CODE DE COMMANDE</div>
</th>
</tr>
{* beside logo (price ref ...) *}
<tr>
<td width="71" height="29" >
<div class="center">{displayPrice currency=$order->id_currency price=$order->total_paid-$order->total_paid_real|string_format:"%.2f"}</div>
</td>
<td width="71" height="29">
<div class="center">6571486/V</div>
</td>
<td width="71" height="29">
<div class="center">{$order->getUniqReference()}</div>
</td>
</tr>
{* ligne expediteur et code a barre *}
<tr>
<th class="header" width="185" height="10" >EXPEDITEUR</th>
<th class="header" width="213" height="10">CODE A BARRE</th>
</tr>
<tr>
<td class="center" width="185" height="80">{$shop_address}<br/>{$shop_phone}</td>
{* <td width="213" height="49" colspan="3"></td> *}
</tr>
{* destinataire date d'exp val poids *}
<tr>
<th class="header" width="185" height="10">DESTINATAIRE</th>
<th class="header" width="91" height="10" >DATE D'EXPEDITION</th>
<th class="header" width="71" height="10" >VALEUR</th>
<th class="header" width="51" height="10" >POIDS</th>
</tr>
<tr>
<td width="185" rowspan="2" class="center">{$delivery_address}</td>
<td width="91" height="30"></td>
<td width="71" height="30" class="header" >{displayPrice currency=$order->id_currency price=$order->total_products}</td>
<td width="51" height="30"></td>
</tr>
<tr>
<td width="213" height="62">
<span class="left"> Instructions particulière de l'expediteur:</span><br/>
{* <span class="bold"> {l s='□' pdf='true'} Remettre l'envoi au destinataire en personne.</span><br/> *}
<span class="bold center">Livrer l'envoi à l'adresse.</span>
</td>
</tr>
</table>
override\classes\pdf\PDFGenerator.php
<?php
class PDFGenerator extends PDFGeneratorCore
{
/**
* @param bool $use_cache
* @param string $orientation
* @param string $format
*/
public function __construct($use_cache = false, $orientation = 'P', $format = 'A5')
{
TCPDF::__construct($orientation, 'mm', $format, true, 'UTF-8', $use_cache, false);
$this->setRTL(Context::getContext()->language->is_rtl);
}
public function writePage()
{
$this->SetHeaderMargin(3);
$this->SetFooterMargin(3);
$this->setMargins(3, 3, 3);
$this->AddPage();
$this->writeHTML($this->content, true, false, true, false, '');
$this->output('document.pdf','I');
}
}
override\classes\pdf\PDF.php
<?php
class PDF extends PDFCore
{
public function __construct($objects, $template, $smarty, $orientation = 'P', $format = 'A5')
{
parent::__construct($objects, $template, $smarty, $orientation);
$this->pdf_renderer = new PDFGenerator((bool)Configuration::get('PS_PDF_USE_CACHE'), $orientation, $format);
$this->template = $template;
/*
* We need a Smarty instance that does NOT escape HTML.
* Since in BO Smarty does not autoescape
* and in FO Smarty does autoescape, we use
* a new Smarty of which we're sure it does not escape
* the HTML.
*/
$this->smarty = clone $smarty;
$this->smarty->escape_html = false;
/* We need to get the old instance of the LazyRegister
* because some of the functions are already defined
* and we need to check in the old one first
*/
$original_lazy_register = SmartyLazyRegister::getInstance($smarty);
/* For PDF we restore some functions from Smarty
* they've been removed in PrestaShop 1.7 so
* new themes don't use them. Although PDF haven't been
* reworked so every PDF controller must extend this class.
*/
smartyRegisterFunction($this->smarty, 'function', 'convertPrice', array('Product', 'convertPrice'), true, $original_lazy_register);
smartyRegisterFunction($this->smarty, 'function', 'convertPriceWithCurrency', array('Product', 'convertPriceWithCurrency'), true, $original_lazy_register);
smartyRegisterFunction($this->smarty, 'function', 'displayWtPrice', array('Product', 'displayWtPrice'), true, $original_lazy_register);
smartyRegisterFunction($this->smarty, 'function', 'displayWtPriceWithCurrency', array('Product', 'displayWtPriceWithCurrency'), true, $original_lazy_register);
smartyRegisterFunction($this->smarty, 'function', 'displayPrice', array('Tools', 'displayPriceSmarty'), true, $original_lazy_register);
smartyRegisterFunction($this->smarty, 'modifier', 'convertAndFormatPrice', array('Product', 'convertAndFormatPrice'), true, $original_lazy_register); // used twice
smartyRegisterFunction($this->smarty, 'function', 'displayAddressDetail', array('AddressFormat', 'generateAddressSmarty'), true, $original_lazy_register);
smartyRegisterFunction($this->smarty, 'function', 'getWidthSize', array('Image', 'getWidth'), true, $original_lazy_register);
smartyRegisterFunction($this->smarty, 'function', 'getHeightSize', array('Image', 'getHeight'), true, $original_lazy_register);
$this->objects = $objects;
if (!($objects instanceof Iterator) && !is_array($objects)) {
$this->objects = array($objects);
}
if (count($this->objects) > 1) { // when bulk mode only
$this->send_bulk_flag = true;
}
}
}
override\controllers\admin\AdminPdfController.php
<?php
class AdminPdfController extends AdminPdfControllerCore
{
public function generatePDF($object, $template)
{
switch($template) {
case PDF::TEMPLATE_DELIVERY_SLIP:
$format = 'A6';
$orientation = 'L';
break;
default:
$format = 'A5';
$orientation ='P';
}
$pdf = new PDF($object, $template, Context::getContext()->smarty, $orientation, $format);
$pdf->render();
}
}
1.PS : when i exclude the barcode everything works well
2.PS2: the same code is still operating on Prestashop 1.6 without Problems
3.PS3: i set define('K_TCPDF_CALLS_IN_HTML', true); //was false so i can call tcpdf in tpl file.
4.PS4 : config file of tcpdf is at vendor\tecnickcom\tcpdf\config\tcpdf_config.php
any help would be apperciated thank you .
回答1:
I'm not familiar with smarty, so the following is only a guess, but it might work...
Your file override\classes\pdf\PDF.php adds stuff to smarty. I'm not quite sure, if the version of smarty matches (you might have to check) but you theoretically can assign values:
$this->smarty->assign('tcpdf', $this->pdf_renderer);
under the assumption, that your PDFGenerator ($this->pdf_renderer) actually extends TCPDF.
If that works, you should be able to do:
{assign var=params value=$tcpdf->serializeTCPDFtagParameters($order->shipping_number,...)}
hope this works ;o)
来源：https://stackoverflow.com/questions/57582078/how-to-call-tcpdf-non-static-method-in-tpl-file