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<?php declare(strict_types=1);
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namespace Del\Form\Renderer\Field;
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use Del\Form\Field\FieldInterface;
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use Del\Form\Field\MultiSelect;
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use Del\Form\Field\Select;
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use DOMElement;
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use InvalidArgumentException;
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10
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class MultiSelectRender extends AbstractFieldRender
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{
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/**
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* @param FieldInterface $field
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* @param DOMElement $element
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* @return DOMElement
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*/
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public function renderBlock(FieldInterface $field, DOMElement $element): DOMElement
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{
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if (!$field instanceof MultiSelect) {
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throw new InvalidArgumentException('Must be a Del\Form\Field\MultiSelect');
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}
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$element->setAttribute('name', $field->getName() . '[]');
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foreach ($field->getOptions() as $value => $label) {
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$option = $this->processOption($field, $value, $label);
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$element->appendChild($option);
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}
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return $element;
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}
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/**
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* @param FieldInterface $field
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* @param string $value
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* @param string $label
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* @return DOMElement
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*/
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private function processOption(FieldInterface $field, $value, $label): DOMElement
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{
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$option = $this->createElement('option');
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$option->setAttribute('value', (string) $value);
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$label = $this->createText($label);
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$option->appendChild($label);
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if ($field->getValue() !== null && in_array($option->getAttribute('value'), $field->getValue())) {
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$option->setAttribute('selected', 'selected');
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}
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return $option;
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}
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}
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delboy1978uk /
form
