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File name : ColorChoiceType.php

Content :

<?php

/*
 * This file is part of the Kimai time-tracking app.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace App\Form\Type;

use App\Configuration\SystemConfiguration;
use App\Constants;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
use Symfony\Component\Form\Extension\Core\Type\ColorType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;

class ColorChoiceType extends AbstractType implements DataTransformerInterface
{
    public const DEFAULT_COLOR = Constants::DEFAULT_COLOR;

private $systemConfiguration;
    /**
     * @var bool|null
     */
    private $limitedColors;

public function __construct(SystemConfiguration $systemConfiguration)
    {
        $this->systemConfiguration = $systemConfiguration;
    }

/**
     * {@inheritdoc}
     */
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder->addViewTransformer($this);
    }

private function isLimitedColors(): bool
    {
        if (null === $this->limitedColors) {
            $this->limitedColors = $this->systemConfiguration->isThemeColorsLimited();
        }

return $this->limitedColors;
    }

/**
     * {@inheritdoc}
     */
    public function configureOptions(OptionsResolver $resolver)
    {
        $options = [
            'documentation' => [
                'type' => 'string',
                'description' => sprintf('The hexadecimal color code (default: %s)', self::DEFAULT_COLOR),
            ],
            'label' => 'label.color',
            'empty_data' => null,
        ];

if ($this->isLimitedColors()) {
            $choices = [];
            $colors = $this->convertStringToColorArray($this->systemConfiguration->getThemeColorChoices());

foreach ($colors as $name => $color) {
                $choices[$name] = $color;
            }

$options['choices'] = $choices;
            $options['search'] = false;
            $options['attr']['data-renderer'] = 'color';
        }

$resolver->setDefaults($options);
    }

private function convertStringToColorArray(string $config): array
    {
        $config = explode(',', $config);

$colors = [];
        foreach ($config as $item) {
            if (empty($item)) {
                continue;
            }
            $item = explode('|', $item);
            $key = $item[0];
            $value = $key;

if (\count($item) > 1) {
                $value = $item[1];
            }

if (empty($key)) {
                $key = $value;
            }

if ($value === Constants::DEFAULT_COLOR) {
                continue;
            }

$colors[$key] = $value;
        }

return array_unique($colors);
    }

/**
     * {@inheritdoc}
     */
    public function transform($data)
    {
        if (empty($data) && !$this->isLimitedColors()) {
            return self::DEFAULT_COLOR;
        }

return $data;
    }

/**
     * {@inheritdoc}
     */
    public function reverseTransform($data)
    {
        if (null === $data && !$this->isLimitedColors()) {
            return self::DEFAULT_COLOR;
        }

return null === $data ? null : $data;
    }

/**
     * {@inheritdoc}
     */
    public function getParent()
    {
        if ($this->isLimitedColors()) {
            return ChoiceType::class;
        }

return ColorType::class;
    }
}

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