YetiForceCompany/YetiForcePDF

<?php

declare(strict_types=1);
/**
 * Page class.
 *
 * @package   YetiForcePDF\Document
 *
 * @copyright YetiForce Sp. z o.o
 * @license   MIT
 * @author    Rafal Pospiech <r.pospiech@yetiforce.com>
 */

namespace YetiForcePDF;

/**
 * Class Pages.
 */
class Pages extends \YetiForcePDF\Objects\Basic\DictionaryObject
{
    /**
     * {@inheritdoc}
     */
    protected $dictionaryType = 'Pages';
    /**
     * Object name.
     *
     * @var string
     */
    protected $name = 'Pages';

    /**
     * Proc Set.
     *
     * @var \YetiForcePDF\Objects\Basic\ArrayObject
     */
    protected $procSet;

    /**
     * Add proc set.
     *
     * @param \YetiForcePDF\Objects\Basic\ArrayObject $procSet
     *
     * @return $this
     */
    public function addProcSet(Objects\Basic\ArrayObject $procSet)
    {
        $this->procSet = $procSet;
        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function render(): string
    {
        $kids = [];
        foreach ($this->children as $child) {
            $kids[] = $child->getReference();
        }
        $this->clearValues()
            ->addValue('Type', '/Pages')
            ->addValue('Count', (string) \count($kids))
            ->addValue('Kids', '[' . implode("\n    ", $kids) . ']');
        if ($this->procSet) {
            $this->addValue('ProcSet', $this->procSet->getReference());
        }
        return parent::render();
    }
}