Hannes Pries - Web/Shopware/JavaScript-Developer Blog
Weil es immer eine simple Lösung gibt!

{% base_extends "index.twig" %}
{% block blubb %}
{{ parent() }}
3<br/>
{% endblock %}

{% base_extends "index.twig" %}
{% block blubb %}
2<br/>
{% endblock %}

<strong>
{% block blubb %}
1
{% endblock %}
</strong>

<strong>
2<br/>
3<br/>
</strong>

function findNewBase($template, $list = [], $currentBase = null) {
$result = 'base';
$found = $currentBase == null; //if null, took the first one
foreach($list as $key => $path) {
if($key == $currentBase) {
$found = true;
}
else if ($found && file_exists($path . '/' . $template)) {
$result = $key;
break;
}
}
return $result;
}

final class ExtTokenParser extends AbstractTokenParser {
/**
* @var Parser
*/
protected $parser;

private $list = [];

public function __construct(array $list)
{
$this->list = $list;
}

public function getTag(): string
{
return 'base_extends';
}

/**
* @return Node
*/
public function parse(Token $token)
{
$stream = $this->parser->getStream();
$source = $stream->getSourceContext()->getName();
$template = $stream->next()->getValue();

$parts = preg_split("/\//i", preg_replace("/@/", '', $source));
$newBase = findNewBase($template, $this->list, $parts[0]);
$parent = '@' . $newBase . '/' . $template;

$stream->next();

$stream->injectTokens([
new Token(Token::BLOCK_START_TYPE, '', 2),
new Token(Token::NAME_TYPE, 'extends', 2),
new Token(Token::STRING_TYPE, $parent, 2),
new Token(Token::BLOCK_END_TYPE, '', 2),
]);

return new Node();
}
}

$list = [
'plugin2' => 'templates/path3',
'plugin1' => 'templates/path2',
'base' => 'templates/path1'
];

$loader = new \Twig\Loader\FilesystemLoader();
foreach($list as $plugin => $path) {
$loader->addPath($path, $plugin); //plugin as namespace
}

$twig = new \Twig\Environment($loader);
$twig->addTokenParser(new ExtTokenParser($list));
echo $twig->render('@' . findNewBase('index.twig', $list) . '/index.twig', []);

{extends file='parent:frontend/forms/form-elements.tpl'}

{block name='frontend_forms_form_elements'}
{capture name="frontend_forms_form_elements"}
{$smarty.block.parent}
{/capture}
{$smarty.capture.frontend_forms_form_elements|replace:'register/index':'forms/index'}
{/block}

namespace TESTNotLoggedIn;

use Shopware\Components\Plugin;

class TESTNotLoggedIn extends Plugin{
public static function getSubscribedEvents()
{
return [
'Enlight_Controller_Action_PostDispatchSecure_Frontend' => 'addTemplateDir',
'Enlight_Controller_Action_PostDispatchSecure_Widgets' => 'addTemplateDir',
];
}

public function addTemplateDir(\Enlight_Controller_ActionEventArgs $args)
{
try {
$args->getSubject()->View()->addTemplateDir($this->getPath() . '/Resources/views/');
}
catch(\Exception $e){
//TODO
}
}
}

<?xml version="1.0" encoding="utf-8"?>
<plugin xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/shopware/shopware/5.2/engine/Shopware/Components/Plugin/schema/plugin.xsd">
<label lang="de">TEST Not Logged In</label>
<label lang="en">TEST Not Logged In</label>

<version>0.1</version>
<link>https://www.hannespries.de</link>
<author>Hannes Pries</author>
<compatibility minVersion="5.2.0" />

<requiredPlugins>
<requiredPlugin pluginName="HPrGlobalCustomerData" minVersion="1.3"/>
</requiredPlugins>
</plugin>

{extends file="parent:frontend/index/footer-navigation.tpl"}

{block name="frontend_index_footer_column_newsletter"}
{if !$customer_loggedIn}
{$smarty.block.parent}
{/if}
{/block}

custom/plugins/HPrTest/Resources/snippets/frontend/index/hpr_main.ini

[de_DE]
blubb = "Blubb"

{s name="blubb" namespace="frontend/index/hpr_main"}{/s}