AbstractFileCollection.php

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<?php
namespace TYPO3\CMS\Core\Resource\Collection;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

abstract class AbstractFileCollection extends \TYPO3\CMS\Core\Collection\AbstractRecordCollection
{
    protected static $storageTableName = 'sys_file_collection';

    protected static $type;

    protected static $itemsCriteriaField;

    protected $itemsCriteria;

    protected $itemTableName = 'sys_file';

    public function setDescription($description)
    {
        $this->description = $description;
    }

    public function setTitle($title)
    {
        $this->title = $title;
    }

    public function key()
    {
        $currentRecord = $this->storage->current();
        return $currentRecord->getIdentifier();
    }

    protected function getItemUidList($includeTableName = false)
    {
        $list = [];
        foreach ($this->storage as $entry) {
            $list[] = $this->getItemTableName() . '_' . $entry->getUid();
        }
        return implode(',', $list);
    }

    protected function getPersistableDataArray()
    {
        return [
            'title' => $this->getTitle(),
            'type' => static::$type,
            'description' => $this->getDescription(),
            static::$itemsCriteriaField => $this->getItemsCriteria()
        ];
    }

    public function toArray()
    {
        $itemArray = [];
        foreach ($this->storage as $item) {
            $itemArray[] = $item->toArray();
        }
        return [
            'uid' => $this->getIdentifier(),
            'title' => $this->getTitle(),
            'description' => $this->getDescription(),
            'items' => $itemArray
        ];
    }

    public function getItems()
    {
        $itemArray = [];
        foreach ($this->storage as $item) {
            $itemArray[] = $item;
        }
        return $itemArray;
    }

    public function fromArray(array $array)
    {
        $this->uid = $array['uid'];
        $this->title = $array['title'];
        $this->description = $array['description'];
        $this->itemsCriteria = $array[static::$itemsCriteriaField];
    }

    public function getItemsCriteria()
    {
        return $this->itemsCriteria;
    }

    public function setItemsCriteria($itemsCriteria)
    {
        $this->itemsCriteria = $itemsCriteria;
    }

    public function add(\TYPO3\CMS\Core\Resource\FileInterface $data)
    {
        $this->storage->push($data);
    }

    public function addAll(\TYPO3\CMS\Core\Collection\CollectionInterface $other)
    {
        foreach ($other as $value) {
            $this->add($value);
        }
    }

    public function remove(\TYPO3\CMS\Core\Resource\File $file)
    {
        $offset = 0;
        foreach ($this->storage as $value) {
            if ($value === $file) {
                break;
            }
            $offset++;
        }
        $this->storage->offsetUnset($offset);
    }

    public function removeAll()
    {
        $this->storage = new \SplDoublyLinkedList();
    }
}