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<?php |
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/** |
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* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony). |
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* |
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* Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics) |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
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*/ |
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namespace App\Helpers\Trees; |
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use App\Entity\Base\StructuralDBElement; |
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use Doctrine\Common\Collections\Collection; |
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use RecursiveIterator; |
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class StructuralDBElementIterator extends \ArrayIterator implements \RecursiveIterator |
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{ |
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/** |
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* @param $nodes Collection<StructuralDBElement>|StructuralDBElement[] |
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*/ |
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public function __construct($nodes) |
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{ |
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parent::__construct($nodes); |
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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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/** @var StructuralDBElement $element */ |
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$element = $this->current(); |
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return !empty($element->getSubelements()); |
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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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/** @var StructuralDBElement $element */ |
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$element = $this->current(); |
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return new StructuralDBElementIterator($element->getSubelements()->toArray()); |
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} |
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} |
Part-DB /
Part-DB-symfony
