Container.php

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<?php

 
namespace Depage\HtmlForm\Abstracts;
 
use Depage\HtmlForm\Elements;
use Depage\HtmlForm\Exceptions;

abstract class Container extends Element
{
    protected $elements = [];
    protected $elementsAndHtml = [];
    protected $form;
    public function __construct(string $name, array $parameters, object $form)
    {
        $this->form = $form;
 
        parent::__construct($name, $parameters, $form);
    }

    public function __call(string $function, array $arguments): mixed
    {
        if (substr($function, 0, 3) === 'add') {
            $type = str_replace('add', '', $function);
 
            foreach ($this->form->getNamespaces() as $namespace) {
                $class = $namespace . '\\' . $type;
                if (class_exists($class)) {
                    $name = isset($arguments[0]) ? $arguments[0] : '';
                    $parameters = isset($arguments[1]) ? $arguments[1] : [];
                    return $this->addElement($class, $name, $parameters);
                }
            }
 
            throw new Exceptions\UnknownElementTypeException($type);
        } else {
            return parent::__call($function, $arguments);
        }
    }

    protected function addElement(string $type, string $name, array $parameters): object
    {
        $parameters['log'] = $this->log;
 
        $newElement = new $type($name, $parameters, $this->form);
 
        $this->elements[] = $newElement;
        $this->elementsAndHtml[] = $newElement;
 
        if ($newElement instanceof container) {
            $newElement->addChildElements();
        }
 
        return $newElement;
    }

    public function addChildElements(): void {}
    public function getElements(bool $includeFieldsets = false): array
    {
        $allElements = [];
        foreach ($this->elements as $element) {
            if ($element instanceof Container) {
                if ($includeFieldsets) {
                    $allElements[] = $element;
                }
                $allElements = array_merge($allElements, $element->getElements($includeFieldsets));
            } else {
                $allElements[] = $element;
            }
        }
 
        return $allElements;
    }

    public function getElement(string $name, bool $includeFieldsets = false): object|bool
    {
        foreach ($this->getElements($includeFieldsets) as $element) {
            if ($name === $element->getName()) {
                return $element;
            }
        }
 
        return false;
    }

    public function addHtml(string $html): object
    {
        $htmlElement = new Elements\Html($html);
 
        $this->elementsAndHtml[] = $htmlElement;
 
        return $htmlElement;
    }

    public function addStepNav(array $parameter = []): object
    {
        $htmlElement = new Elements\Stepnav($parameter, $this->form);
 
        $this->elementsAndHtml[] = $htmlElement;
 
        return $htmlElement;
    }

    public function setRequired(bool $required = true): void
    {
        $required = (bool) $required;
 
        foreach ($this->elements as $element) {
            $element->setRequired($required);
        }
    }

    public function validate(): bool
    {
        if (!$this->validated) {
            $this->validated = true;
 
            $this->valid = true;
            foreach ($this->elements as $element) {
                $valid = $element->validate();
                $this->valid = $this->valid && $valid;
            }
        }
 
        return $this->valid;
    }

    public function clearValue(): void
    {
        foreach ($this->getElements(true) as $element) {
            $element->clearValue();
        }
    }
}
 
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