AbstractFeature.php

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<?php
namespace ‪TYPO3\CMS\Install\Configuration;
 
/*
 * 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!
 */
 
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
abstract class ‪AbstractFeature
{
    protected ‪$name = '';
 
    protected ‪$presetRegistry = [];
 
    protected ‪$presetInstances = [];
 
    protected ‪$postValues = [];
 
    public function ‪initializePresets(array ‪$postValues)
    {
        // Give feature sub array of $POST values to preset and set to own property
        $featurePostValues = [];
        if (!empty(‪$postValues[$this->name])) {
            $featurePostValues = ‪$postValues[‪$this->name];
        }
        $this->postValues = $featurePostValues;
 
        $isNonCustomPresetActive = false;
        $customPresetFound = false;
        foreach ($this->presetRegistry as $presetClass) {
            $presetInstance = GeneralUtility::makeInstance($presetClass);
            if (!($presetInstance instanceof ‪PresetInterface)) {
                throw new ‪Exception(
                    'Preset ' . $presetClass . ' does not implement PresetInterface',
                    1378644821
                );
            }
 
            $presetInstance->setPostValues($featurePostValues);
 
            // Custom preset is set active if no preset before is active
            if ($presetInstance->isActive()) {
                $isNonCustomPresetActive = true;
            }
            if ($presetInstance instanceof ‪CustomPresetInterface
                && !$isNonCustomPresetActive
            ) {
                // Throw Exception if two custom presets are registered
                if ($customPresetFound === true) {
                    throw new ‪Exception(
                        'Preset ' . $presetClass . ' implements CustomPresetInterface, but another'
                            . ' custom preset is already registered',
                        1378645039
                    );
                }
 
                $presetInstance->setActive();
                $customPresetFound = true;
            }
 
            $this->presetInstances[] = $presetInstance;
        }
    }
 
    public function ‪getPresetsOrderedByPriority()
    {
        if (empty($this->presetInstances)) {
            throw new ‪Exception(
                'Presets not initialized',
                1378645155
            );
        }
        $orderedPresets = [];
        foreach ($this->presetInstances as $presetInstance) {
            $orderedPresets[$presetInstance->getPriority()] = $presetInstance;
        }
        krsort($orderedPresets, SORT_NUMERIC);
        return $orderedPresets;
    }
 
    public function ‪getName()
    {
        return ‪$this->name;
    }
}