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 = array();
    protected $elementsAndHtml = array();
    protected $form;
    public function __construct($name, $parameters, $form)
    {
        $this->form = $form;
 
        parent::__construct($name, $parameters, $form);
    }
 
    public function __call($function, $arguments)
    {
        if (substr($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] : array();
                    return $this->addElement($class, $name, $parameters);
                }
            }
 
            throw new Exceptions\UnknownElementTypeException($type);
        } else {
            return parent::__call($function, $arguments);
        }
    }
 
    protected function addElement($type, $name, $parameters)
    {
        $this->checkParameters($parameters);
 
        $parameters['log'] = $this->log;
 
        $newElement = new $type($name, $parameters, $this->form);
 
        $this->elements[] = $newElement;
        $this->elementsAndHtml[] = $newElement;
 
        if ($newElement instanceof container) {
            $newElement->addChildElements();
        }
 
        return $newElement;
    }
    public function addChildElements() {}
    public function getElements($includeFieldsets = false)
    {
        $allElements = array();
        foreach ($this->elements as $element) {
            if ($element instanceof Container) {
                if ($includeFieldsets) {
                    $allElements[] = $element;
                }
                $allElements = array_merge($allElements, $element->getElements($includeFieldsets));
            } else {
                $allElements[] = $element;
            }
        }
 
        return $allElements;
    }
    public function getElement($name, $includeFieldsets = false)
    {
        foreach ($this->getElements($includeFieldsets) as $element) {
            if ($name === $element->getName()) {
                return $element;
            }
        }
 
        return false;
    }
 
    public function addHtml($html)
    {
        $htmlElement = new Elements\Html($html);
 
        $this->elementsAndHtml[] = $htmlElement;
 
        return $htmlElement;
    }
    public function addStepNav($parameter = array())
    {
        $htmlElement = new Elements\Stepnav($parameter, $this->form);
 
        $this->elementsAndHtml[] = $htmlElement;
 
        return $htmlElement;
    }
 
    public function setRequired($required = true)
    {
        $required = (bool) $required;
 
        foreach ($this->elements as $element) {
            $element->setRequired($required);
        }
    }
    public function validate()
    {
        if (!$this->validated) {
            $this->validated = true;
 
            $this->valid = true;
            foreach ($this->elements as $element) {
                $valid = $element->validate();
                $this->valid = $this->valid && $valid;
            }
        }
 
        return $this->valid;
    }
    public function clearValue()
    {
        foreach ($this->getElements(true) as $element) {
            $element->clearValue();
        }
    }
}
 
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