54 lines
1.5 KiB
PHP
54 lines
1.5 KiB
PHP
<?php
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namespace Propel\PropelBundle\Form\DataTransformer;
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use Propel\PropelBundle\Form\ChoiceList\ModelChoiceList;
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use Symfony\Component\Form\DataTransformerInterface;
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use Symfony\Component\Form\Exception\UnexpectedTypeException;
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use Symfony\Component\Form\Exception\TransformationFailedException;
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class ModelToIdTransformer implements DataTransformerInterface
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{
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private $choiceList;
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public function __construct(ModelChoiceList $choiceList)
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{
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$this->choiceList = $choiceList;
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}
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public function transform($model)
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{
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if (null === $model || '' === $model) {
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return '';
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}
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if (!is_object($model)) {
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throw new UnexpectedTypeException($model, 'object');
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}
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if (count($this->choiceList->getIdentifier()) > 1) {
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$availableModels = $this->choiceList->getModels();
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return array_search($model, $availableModels);
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}
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return current($this->choiceList->getIdentifierValues($model));
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}
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public function reverseTransform($key)
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{
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if ('' === $key || null === $key) {
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return null;
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}
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if (count($this->choiceList->getIdentifier()) > 1 && !is_numeric($key)) {
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throw new UnexpectedTypeException($key, 'numeric');
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}
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if (!($model = $this->choiceList->getModel($key))) {
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throw new TransformationFailedException(sprintf('The model with key "%s" could not be found', $key));
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}
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return $model;
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}
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}
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