Subversion-Projekte lars-tiefland.laravel_shop

<?php

declare(strict_types=1);

namespace Termwind\Html;

use Termwind\Components\Element;

use Termwind\Termwind;

use Termwind\ValueObjects\Styles;

/**

 * @internal

 */

final class InheritStyles

{

    /**

     * Applies styles from parent element to child elements.

     *

     * @param  array<int, Element|string>  $elements

     * @return array<int, Element|string>

     */

    public function __invoke(array $elements, Styles $styles): array

    {

        $elements = array_values($elements);

        foreach ($elements as &$element) {

            if (is_string($element)) {

                $element = Termwind::raw($element);

            }

            $element->inheritFromStyles($styles);

        }

        /** @var Element[] $elements */

        if (($styles->getProperties()['styles']['display'] ?? 'inline') === 'flex') {

            $elements = $this->applyFlex($elements);

        }

        return match ($styles->getProperties()['styles']['justifyContent'] ?? false) {

            'between' => $this->applyJustifyBetween($elements),

            'evenly' => $this->applyJustifyEvenly($elements),

            'around' => $this->applyJustifyAround($elements),

            'center' => $this->applyJustifyCenter($elements),

            default => $elements,

        };

    }

    /**

     * Applies flex-1 to child elements with the class.

     *

     * @param  array<int, Element>  $elements

     * @return array<int, Element>

     */

    private function applyFlex(array $elements): array

    {

        [$totalWidth, $parentWidth] = $this->getWidthFromElements($elements);

        $width = max(0, array_reduce($elements, function ($carry, $element) {

            return $carry += $element->hasStyle('flex-1') ? $element->getInnerWidth() : 0;

        }, $parentWidth - $totalWidth));

        $flexed = array_values(array_filter(

            $elements, fn ($element) => $element->hasStyle('flex-1')

        ));

        foreach ($flexed as $index => &$element) {

            if ($width === 0 && ! ($element->getProperties()['styles']['contentRepeat'] ?? false)) {

                continue;

            }

            $float = $width / count($flexed);

            $elementWidth = floor($float);

            if ($index === count($flexed) - 1) {

                $elementWidth += ($float - floor($float)) * count($flexed);

            }

            $element->addStyle("w-{$elementWidth}");

        }

        return $elements;

    }

    /**

     * Applies the space between the elements.

     *

     * @param  array<int, Element>  $elements

     * @return array<int, Element|string>

     */

    private function applyJustifyBetween(array $elements): array

    {

        [$totalWidth, $parentWidth] = $this->getWidthFromElements($elements);

        $space = ($parentWidth - $totalWidth) / (count($elements) - 1);

        if ($space < 1) {

            return $elements;

        }

        $arr = [];

        foreach ($elements as $index => &$element) {

            if ($index !== 0) {

                // Since there is no float pixel, on the last one it should round up...

                $length = $index === count($elements) - 1 ? ceil($space) : floor($space);

                $arr[] = str_repeat(' ', (int) $length);

            }

            $arr[] = $element;

        }

        return $arr;

    }

    /**

     * Applies the space between and around the elements.

     *

     * @param  array<int, Element>  $elements

     * @return array<int, Element|string>

     */

    private function applyJustifyEvenly(array $elements): array

    {

        [$totalWidth, $parentWidth] = $this->getWidthFromElements($elements);

        $space = ($parentWidth - $totalWidth) / (count($elements) + 1);

        if ($space < 1) {

            return $elements;

        }

        $arr = [];

        foreach ($elements as &$element) {

            $arr[] = str_repeat(' ', (int) floor($space));

            $arr[] = $element;

        }

        $decimals = ceil(($space - floor($space)) * (count($elements) + 1));

        $arr[] = str_repeat(' ', (int) (floor($space) + $decimals));

        return $arr;

    }

    /**

     * Applies the space around the elements.

     *

     * @param  array<int, Element>  $elements

     * @return array<int, Element|string>

     */

    private function applyJustifyAround(array $elements): array

    {

        [$totalWidth, $parentWidth] = $this->getWidthFromElements($elements);

        $space = ($parentWidth - $totalWidth) / count($elements);

        if ($space < 1) {

            return $elements;

        }

        $contentSize = $totalWidth;

        $arr = [];

        foreach ($elements as $index => &$element) {

            if ($index !== 0) {

                $arr[] = str_repeat(' ', (int) ceil($space));

                $contentSize += ceil($space);

            }

            $arr[] = $element;

        }

        return [

            str_repeat(' ', (int) floor(($parentWidth - $contentSize) / 2)),

            ...$arr,

            str_repeat(' ', (int) ceil(($parentWidth - $contentSize) / 2)),

        ];

    }

    /**

     * Applies the space on before first element and after last element.

     *

     * @param  array<int, Element>  $elements

     * @return array<int, Element|string>

     */

    private function applyJustifyCenter(array $elements): array

    {

        [$totalWidth, $parentWidth] = $this->getWidthFromElements($elements);

        $space = $parentWidth - $totalWidth;

        if ($space < 1) {

            return $elements;

        }

        return [

            str_repeat(' ', (int) floor($space / 2)),

            ...$elements,

            str_repeat(' ', (int) ceil($space / 2)),

        ];

    }

    /**

     * Gets the total width for the elements and their parent width.

     *

     * @param  array<int, Element>  $elements

     * @return int[]

     */

    private function getWidthFromElements(array $elements)

    {

        $totalWidth = (int) array_reduce($elements, fn ($carry, $element) => $carry += $element->getLength(), 0);

        $parentWidth = Styles::getParentWidth($elements[0]->getProperties()['parentStyles'] ?? []);

        return [$totalWidth, $parentWidth];

    }

}