Del\Form\Renderer\Field\MultiSelectRender

Complexity

Total Complexity

6

Size/Duplication

Total Lines	30
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	processOption()	0	12	3
A	renderBlock()	0	14	3

<?php declare(strict_types=1);


namespace Del\Form\Renderer\Field;


use Del\Form\Field\FieldInterface;

use Del\Form\Field\MultiSelect;

use DOMElement;

use InvalidArgumentException;


class MultiSelectRender extends AbstractFieldRender

{

    public function renderBlock(FieldInterface $field, DOMElement $element): DOMElement

    {

        if (!$field instanceof MultiSelect) {

            throw new InvalidArgumentException('Must be a Del\Form\Field\MultiSelect');

        }


        $element->setAttribute('name', $field->getName() . '[]');


        foreach ($field->getOptions() as $value => $label) {

            $option = $this->processOption($field, $value, $label);

            $element->appendChild($option);

        }


        return $element;

    }


    private function processOption(FieldInterface $field, $value, $label): DOMElement

    {

        $option = $this->createElement('option');

        $option->setAttribute('value', (string) $value);

        $label = $this->createText($label);

        $option->appendChild($label);


        if ($field->getValue() !== null && in_array($option->getAttribute('value'), $field->getValue())) {

            $option->setAttribute('selected', 'selected');

        }


        return $option;

    }

}