YetiForceCompany/YetiForcePDF

<?php

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

namespace YetiForcePDF\Objects\Basic;

/**
 * Class ArrayObject.
 */
class ArrayObject extends \YetiForcePDF\Objects\PdfObject
{
    /**
     * Basic object type (integer, string, boolean, dictionary etc..).
     *
     * @var string
     */
    protected $basicType = 'Array';
    /**
     * Object name.
     *
     * @var string
     */
    protected $name = 'Array';
    /**
     * Collection of items.
     *
     * @var array
     */
    protected $items = [];

    /**
     * Initialisation.
     *
     * @return $this
     */
    public function init()
    {
        parent::init();
        $this->id = $this->document->getActualId();
        return $this;
    }

    public function addItem($item): self
    {
        $this->items[] = $item;
        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function render(): string
    {
        $stringItems = [];
        foreach ($this->items as $item) {
            if ($item instanceof \YetiForcePDF\Objects\PdfObject) {
                $stringItems[] = $item->getReference();
            } else {
                $stringItems[] = (string) $item;
            }
        }
        return implode("\n", [
            $this->getRawId() . ' obj',
            '[ ' . implode(' ', $stringItems) . ' ]',
            'endobj',
        ]);
    }
}