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<?php |
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namespace Povs\ListerTwigBundle\Service; |
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use Povs\ListerBundle\View\FieldView; |
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use Povs\ListerBundle\View\ViewInterface; |
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use Throwable; |
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use Twig\Environment; |
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use Twig\TemplateWrapper; |
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/** |
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* @author Povilas Margaiatis <[email protected]> |
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*/ |
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class ListRenderer |
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{ |
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/** |
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* @var Environment |
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*/ |
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private $twig; |
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/** |
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* @var string|null |
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*/ |
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private $listTemplateName; |
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/** |
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* @var TemplateWrapper|null |
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*/ |
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private $themeTemplate; |
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/** |
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* @var TemplateWrapper|null |
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*/ |
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private $listTemplate; |
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/** |
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* @var bool |
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*/ |
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private $templatesLoaded = false; |
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/** |
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* ListRenderer constructor. |
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* |
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* @param Environment $twig |
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*/ |
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public function __construct(Environment $twig) |
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{ |
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$this->twig = $twig; |
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} |
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/** |
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* @param string|null $listTemplateName |
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*/ |
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public function setListTemplate(?string $listTemplateName): void |
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{ |
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$this->listTemplateName = $listTemplateName; |
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} |
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/** |
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* @param ViewInterface $view |
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* @param string $blockName |
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* @param array $context |
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* @param bool $rewritable |
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* |
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* @return string |
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* @throws Throwable |
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*/ |
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public function render(ViewInterface $view, string $blockName, array $context, bool $rewritable): string |
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{ |
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$this->loadTemplates($context); |
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if ($rewritable && $block = $this->findBlock($view, $blockName)) { |
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return $this->listTemplate->renderBlock($block, $this->getContext($view, $context)); |
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} |
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return $this->themeTemplate->renderBlock($blockName, $this->getContext($view, $context)); |
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} |
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/** |
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* @param ViewInterface $view |
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* @param string $blockName |
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* |
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* @return string|null |
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*/ |
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private function findBlock(ViewInterface $view, string $blockName): ?string |
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{ |
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if (!$this->listTemplate) { |
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return null; |
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} |
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if ($view instanceof FieldView) { |
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$fieldBlock = sprintf('%s_%s', $blockName, $view->getId()); |
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$blocks = [$fieldBlock, $blockName]; |
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} else { |
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$blocks = [$blockName]; |
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} |
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foreach ($blocks as $block) { |
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if ($this->listTemplate->hasBlock($block, [])) { |
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return $block; |
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} |
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} |
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return null; |
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} |
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/** |
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* @param array $context |
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*/ |
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private function loadTemplates(array $context): void |
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{ |
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if ($this->templatesLoaded) { |
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return; |
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} |
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$this->themeTemplate = $this->twig->load($context['list_data']['theme']); |
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if ($this->listTemplateName) { |
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$this->listTemplate = $this->twig->load($this->listTemplateName); |
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} |
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$this->templatesLoaded = true; |
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} |
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/** |
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* @param ViewInterface $view |
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* @param array $context |
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* |
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* @return array |
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*/ |
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5 |
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private function getContext(ViewInterface $view, array $context): array |
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{ |
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return array_merge($context, ['list' => $view]); |
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} |
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} |
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povs /
ListerTwigBundle
