Fieldset.php

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<?php

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

 
class Fieldset extends Abstracts\Container
{
    protected $form;

    protected $label;

    protected $disabled;

    protected $required;

    protected function setDefaults(): void
    {
        parent::setDefaults();
 
        $this->defaults['label']    = $this->name;
        $this->defaults['disabled'] = false;
        $this->defaults['required'] = false;
    }

    public function addElement(string $type, string $name, array $parameters): object
    {
        $this->form->checkElementName($name);
 
        $newElement = parent::addElement($type, $name, $parameters);
 
        if (!($newElement instanceof Fieldset)) {
            $this->form->updateInputValue($name);
        }
 
        return $newElement;
    }

    protected function htmlClasses(): string
    {
        $classes = '';
 
        if ($this->required) {
            $classes .= ' required';
        }
        if ($this->disabled) {
            $classes .= ' disabled';
        }
        if (!empty($this->class)) {
            $classes .= ' ' . $this->htmlEscape($this->class);
        }
 
        return trim($classes);
    }

    public function __toString(): string
    {
        $renderedElements   = '';
        $formName           = $this->form->getName();
        $label              = $this->htmlLabel();
        $classes            = $this->htmlClasses();
 
        $htmlAttributes     = "id=\"{$formName}-{$this->name}\"";
        $htmlAttributes     .= " name=\"{$this->name}\"";
        $htmlAttributes     .= $this->htmlDataAttributes();
 
        if (!empty($classes)) {
            $htmlAttributes     .= " class=\"" . $classes . "\"";
        }
 
 
        foreach ($this->elementsAndHtml as $element) {
            $renderedElements .= $element;
        }
 
        return "<fieldset {$htmlAttributes}>" .
            "<legend><span>{$label}</span></legend>{$renderedElements}" .
        "</fieldset>\n";
    }
}
 
/* vim:set ft=php sw=4 sts=4 fdm=marker et : */