Richtext.php

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<?php

 
namespace Depage\HtmlForm\Elements;

class Richtext extends Textarea
{
    public $stylesheet = null;

    public $allowedTags = [];

    public $autogrow = true;

    protected function setDefaults(): void
    {
        parent::setDefaults();
 
        $this->defaults['rows'] = null;
        $this->defaults['cols'] = null;
        $this->defaults['stylesheet'] = null;
        $this->defaults['autogrow'] = true;
        $this->defaults['allowedTags'] = [
            // inline elements
            "a",
            "b",
            "strong",
            "i",
            "em",
            "small",
 
            // block elements
            "p",
            "br",
            "h1",
            "h2",
            "ul",
            "ol",
            "li",
        ];
    }

    protected function htmlDataAttributes(): string
    {
        $options = [];
        $options['stylesheet'] = $this->stylesheet;
        $options['allowedTags'] = $this->allowedTags;
 
        $this->dataAttr['richtext-options'] = json_encode($options);
 
        return parent::htmlDataAttributes();
    }

    public function isEmpty(): bool
    {
        return empty(trim(strip_tags($this->value)));
    }

    protected function htmlValue(): string
    {
        if ($this->value === null) {
            $htmlDOM = $this->parseHtml($this->defaultValue);
        } else {
            $htmlDOM = $this->value;
        }
 
        $html = (string) $htmlDOM;
 
        return $this->htmlEscape($html);
    }

    protected function typeCastValue(): void
    {
        if (is_string($this->value)) {
            $this->value = $this->parseHtml($this->value);
        }
    }

    protected function parseHtml(string $html): \Depage\HtmlForm\Abstracts\HtmlDom
    {
        if ($this->normalize && class_exists("\\Normalizer")) {
            $html = \Normalizer::normalize($html);
        }
 
        $htmlDOM = new \Depage\HtmlForm\Abstracts\HtmlDom();
 
        $htmlDOM->loadHTML($html);
        $htmlDOM->cleanHTML($this->allowedTags);
 
        if ($this->maxlength) {
            $htmlDOM->cutToMaxlength($this->maxlength);
        }
 
        return $htmlDOM;
    }
}
 
/* vim:set ft=php sw=4 sts=4 fdm=marker et : */