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1<?php
2
3declare(strict_types=1);
4
5namespace Phpdftk\Pdf\Core\Action;
6
7use Phpdftk\Pdf\Core\PdfDictionary;
8use Phpdftk\Pdf\Core\PdfName;
9use Phpdftk\Pdf\Core\PdfString;
10use Phpdftk\Pdf\Core\PdfVersion;
11use Phpdftk\Pdf\Core\RequiresPdfVersion;
12
13/**
14 * JavaScript action (/S /JavaScript).
15 * Executes a JavaScript script.
16 */
17#[RequiresPdfVersion(PdfVersion::V1_3)]
18class JavaScriptAction extends Action
19{
20    public PdfString $js; // /JS - required
21
22    public function __construct(PdfString $js)
23    {
24        $this->js = $js;
25    }
26
27    public function getActionType(): string
28    {
29        return 'JavaScript';
30    }
31
32    public function toPdf(): string
33    {
34        $dict = new PdfDictionary();
35        $dict->set('Type', new PdfName(self::PDF_TYPE));
36        $dict->set('S', new PdfName($this->getActionType()));
37        $dict->set('JS', $this->js);
38
39        if ($this->next !== null) {
40            $dict->set('Next', $this->next);
41        }
42
43        return $dict->toPdf();
44    }
45}