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<?php |
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/** |
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* Abstraction for loop view helper. |
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*/ |
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declare(strict_types=1); |
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namespace HDNET\Calendarize\ViewHelpers\Loop; |
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use HDNET\Calendarize\ViewHelpers\AbstractViewHelper; |
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/** |
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* Abstraction for loop view helper. |
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*/ |
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abstract class AbstractLoopViewHelper extends AbstractViewHelper |
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{ |
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/** |
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* Specifies whether the escaping interceptors should be disabled or enabled for the result of renderChildren() calls within this ViewHelper. |
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* |
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* @see isChildrenEscapingEnabled() |
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* |
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* Note: If this is NULL the value of $this->escapingInterceptorEnabled is considered for backwards compatibility |
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* |
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* @var bool |
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* |
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* @api |
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*/ |
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protected $escapeChildren = false; |
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/** |
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* Specifies whether the escaping interceptors should be disabled or enabled for the render-result of this ViewHelper. |
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* |
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* @see isOutputEscapingEnabled() |
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* |
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* @var bool |
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* |
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* @api |
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*/ |
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protected $escapeOutput = false; |
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public function initializeArguments() |
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{ |
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parent::initializeArguments(); |
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$this->registerArgument('date', \DateTimeInterface::class, 'DateTimeInterface Object', true); |
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$this->registerArgument('iteration', 'string', 'Iterator', true); |
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} |
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/** |
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* Render the element. |
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* |
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* @throws \TYPO3\CMS\Fluid\Core\ViewHelper\Exception |
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* |
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* @return string |
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*/ |
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public function render() |
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{ |
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$variableContainer = $this->renderingContext->getVariableProvider(); |
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// clone: take care that the getItems method do not manipulate the original |
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$items = $this->getItems(clone $this->arguments['date']); |
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$iterationData = [ |
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'index' => 0, |
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'cycle' => 1, |
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'total' => \count($items), |
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]; |
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$output = ''; |
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foreach ($items as $item) { |
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$iterationData['isFirst'] = 1 === $iterationData['cycle']; |
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$iterationData['isLast'] = $iterationData['cycle'] === $iterationData['total']; |
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$iterationData['isEven'] = $iterationData['cycle'] % 2 === 0; |
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$iterationData['isOdd'] = !$iterationData['isEven']; |
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$iterationData['calendar'] = $item; |
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$variableContainer->add($this->arguments['iteration'], $iterationData); |
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$output .= $this->renderChildren(); |
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$variableContainer->remove($this->arguments['iteration']); |
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++$iterationData['index']; |
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++$iterationData['cycle']; |
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} |
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return $output; |
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} |
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/** |
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* Get the items. |
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* |
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* @param \DateTime $date |
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* |
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* @return array |
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*/ |
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abstract protected function getItems(\DateTime $date); |
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} |
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lochmueller /
calendarize
