<?php
/**
 * This file is part of PHPWord - A pure PHP library for reading and writing
 * word processing documents.
 *
 * PHPWord is free software distributed under the terms of the GNU Lesser
 * General Public License version 3 as published by the Free Software Foundation.
 *
 * For the full copyright and license information, please read the LICENSE
 * file that was distributed with this source code. For the full list of
 * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
 *
 * @link        https://github.com/PHPOffice/PHPWord
 * @copyright   2010-2014 PHPWord contributors
 * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
 */

namespace PhpOffice\PhpWord\Writer\Word2007\Element;

use PhpOffice\PhpWord\Element\SDT as SDTElement;
use PhpOffice\PhpWord\Shared\XMLWriter;

/**
 * Structured document tag element writer
 *
 * @since 0.12.0
 * @link http://www.datypic.com/sc/ooxml/t-w_CT_SdtBlock.html
 */
class SDT extends Text
{
    /**
     * Write element
     */
    public function write()
    {
        $xmlWriter = $this->getXmlWriter();
        $element = $this->getElement();
        if (!$element instanceof SDTElement) {
            return;
        }
        $type = $element->getType();
        $listItems = $element->getListItems();

        $this->startElementP();

        $xmlWriter->startElement('w:sdt');

        $xmlWriter->startElement('w:sdtPr');
        $xmlWriter->writeElementBlock('w:id', 'w:val', rand(100000000, 999999999));
        $xmlWriter->writeElementBlock('w:lock', 'w:val', 'sdtLocked');

        $xmlWriter->startElement('w:placeholder');
        $xmlWriter->writeElementBlock('w:docPart', 'w:val', 'string');
        $xmlWriter->endElement(); // w:placeholder

        $xmlWriter->startElement("w:{$type}");
        foreach ($listItems as $key => $val) {
            $xmlWriter->writeElementBlock('w:listItem', array('w:value' => $key, 'w:displayText' => $val));
        }
        $xmlWriter->endElement(); // w:{$type}

        $xmlWriter->endElement(); // w:sdtPr

        $xmlWriter->startElement('w:sdtContent');
        $xmlWriter->endElement(); // w:sdtContent

        $xmlWriter->endElement(); // w:sdt

        $this->endElementP(); // w:p
    }
}