49 lines
1.6 KiB
PHP
49 lines
1.6 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace DigiComp\FluidRenderFunctions\ViewHelpers;
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use DigiComp\FluidRenderFunctions\InvokeRenderFunctionInterface;
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use DigiComp\FluidRenderFunctions\Utils\GeneratorClosureIterator;
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use DigiComp\FluidRenderFunctions\Utils\RenderableProxy;
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use Neos\FluidAdaptor\Core\ViewHelper\AbstractViewHelper;
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class ApplyRenderFunctionViewHelper extends AbstractViewHelper
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{
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public function initializeArguments(): void
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{
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parent::initializeArguments();
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$this->registerArgument('in', 'mixed', 'subject to apply the render function to');
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$this->registerArgument('function', InvokeRenderFunctionInterface::class, 'render function to use', true);
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$this->registerArgument(
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'force',
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'bool',
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'if set, it will be applied to the provided in, if not, it will be applied to each item for '
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. 'iterables instead',
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false,
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false
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);
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}
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public function render()
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{
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$in = $this->arguments['in'];
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if ($in === null) {
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$in = $this->renderChildren();
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}
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if (\is_iterable($in) && $this->arguments['force'] === false) {
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return new GeneratorClosureIterator(fn () => $this->getProxyGenerator($this->arguments['function'], $in));
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} else {
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return new RenderableProxy($this->arguments['function'], $in);
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}
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}
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protected function getProxyGenerator(InvokeRenderFunctionInterface $function, iterable $objects): \Generator
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{
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foreach ($objects as $object) {
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yield new RenderableProxy($function, $object);
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}
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}
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}
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