127 lines
2.4 KiB
PHP
127 lines
2.4 KiB
PHP
<?php
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/*
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* This file is part of the Sonata Project package.
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*
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* (c) Thomas Rabaix <thomas.rabaix@sonata-project.org>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Sonata\AdminBundle\Util;
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use Symfony\Component\Form\FormBuilderInterface;
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/**
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* @author Thomas Rabaix <thomas.rabaix@sonata-project.org>
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*/
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class FormBuilderIterator extends \RecursiveArrayIterator
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{
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/**
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* @var \ReflectionProperty
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*/
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protected static $reflection;
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/**
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* @var FormBuilderInterface
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*/
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protected $formBuilder;
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/**
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* @var array
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*/
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protected $keys = [];
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/**
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* @var bool|string
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*/
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protected $prefix;
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/**
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* @var \ArrayIterator
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*/
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protected $iterator;
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/**
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* @param FormBuilderInterface $formBuilder
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* @param bool $prefix
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*/
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public function __construct(FormBuilderInterface $formBuilder, $prefix = false)
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{
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$this->formBuilder = $formBuilder;
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$this->prefix = $prefix ? $prefix : $formBuilder->getName();
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$this->iterator = new \ArrayIterator(self::getKeys($formBuilder));
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}
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/**
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* {@inheritdoc}
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*/
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public function rewind()
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{
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$this->iterator->rewind();
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}
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/**
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* {@inheritdoc}
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*/
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public function valid()
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{
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return $this->iterator->valid();
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}
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/**
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* {@inheritdoc}
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*/
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public function key()
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{
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$name = $this->iterator->current();
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return sprintf('%s_%s', $this->prefix, $name);
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}
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/**
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* {@inheritdoc}
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*/
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public function next()
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{
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$this->iterator->next();
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}
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/**
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* {@inheritdoc}
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*/
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public function current()
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{
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return $this->formBuilder->get($this->iterator->current());
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}
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/**
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* {@inheritdoc}
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*/
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public function getChildren()
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{
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return new self($this->formBuilder->get($this->iterator->current()), $this->current());
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}
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/**
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* {@inheritdoc}
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*/
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public function hasChildren()
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{
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return count(self::getKeys($this->current())) > 0;
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}
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/**
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* @static
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*
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* @param FormBuilderInterface $formBuilder
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*
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* @return array
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*/
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private static function getKeys(FormBuilderInterface $formBuilder)
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{
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return array_keys($formBuilder->all());
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}
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}
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