Proyectos de Subversion Moodle

<?php

namespace PhpOffice\PhpSpreadsheet\Writer\Pdf;

use PhpOffice\PhpSpreadsheet\Worksheet\PageSetup;

use PhpOffice\PhpSpreadsheet\Writer\Html;

use PhpOffice\PhpSpreadsheet\Writer\Pdf;

class Mpdf extends Pdf

{

    /** @var bool */

    protected $isMPdf = true;

    /**

     * Gets the implementation of external PDF library that should be used.

     *

     * @param array $config Configuration array

     *

     * @return \Mpdf\Mpdf implementation

     */

    protected function createExternalWriterInstance($config)

    {

        return new \Mpdf\Mpdf($config);

    }

    /**

     * Save Spreadsheet to file.

     *

     * @param string $filename Name of the file to save as

     */

    public function save($filename, int $flags = 0): void

    {

        $fileHandle = parent::prepareForSave($filename);

        //  Check for paper size and page orientation

        $setup = $this->spreadsheet->getSheet($this->getSheetIndex() ?? 0)->getPageSetup();

        $orientation = $this->getOrientation() ?? $setup->getOrientation();

        $orientation = ($orientation === PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';

        $printPaperSize = $this->getPaperSize() ?? $setup->getPaperSize();

        $paperSize = self::$paperSizes[$printPaperSize] ?? PageSetup::getPaperSizeDefault();

        //  Create PDF

        $config = ['tempDir' => $this->tempDir . '/mpdf'];

        $pdf = $this->createExternalWriterInstance($config);

        $ortmp = $orientation;

        $pdf->_setPageSize($paperSize, $ortmp);

        $pdf->DefOrientation = $orientation;

        $pdf->AddPageByArray([

            'orientation' => $orientation,

            'margin-left' => $this->inchesToMm($this->spreadsheet->getActiveSheet()->getPageMargins()->getLeft()),

            'margin-right' => $this->inchesToMm($this->spreadsheet->getActiveSheet()->getPageMargins()->getRight()),

            'margin-top' => $this->inchesToMm($this->spreadsheet->getActiveSheet()->getPageMargins()->getTop()),

            'margin-bottom' => $this->inchesToMm($this->spreadsheet->getActiveSheet()->getPageMargins()->getBottom()),

        ]);

        //  Document info

        $pdf->SetTitle($this->spreadsheet->getProperties()->getTitle());

        $pdf->SetAuthor($this->spreadsheet->getProperties()->getCreator());

        $pdf->SetSubject($this->spreadsheet->getProperties()->getSubject());

        $pdf->SetKeywords($this->spreadsheet->getProperties()->getKeywords());

        $pdf->SetCreator($this->spreadsheet->getProperties()->getCreator());

        $html = $this->generateHTMLAll();

        $bodyLocation = strpos($html, Html::BODY_LINE);

        // Make sure first data presented to Mpdf includes body tag

        //   so that Mpdf doesn't parse it as content. Issue 2432.

        if ($bodyLocation !== false) {

            $bodyLocation += strlen(Html::BODY_LINE);

            $pdf->WriteHTML(substr($html, 0, $bodyLocation));

            $html = substr($html, $bodyLocation);

        }

        foreach (\array_chunk(\explode(PHP_EOL, $html), 1000) as $lines) {

            $pdf->WriteHTML(\implode(PHP_EOL, $lines));

        }

        //  Write to file

        fwrite($fileHandle, $pdf->Output('', 'S'));

        parent::restoreStateAfterSave();

    }

    /**

     * Convert inches to mm.

     *

     * @param float $inches

     *

     * @return float

     */

    private function inchesToMm($inches)

    {

        return $inches * 25.4;

    }

}