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File: src/Renderer/Field/RadioRender.php

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  Classes of Derek McLean  >  HTML Forms  >  src/Renderer/Field/RadioRender.php  >  Download  
File: src/Renderer/Field/RadioRender.php
Role: Class source
Content type: text/plain
Description: Class source
Class: HTML Forms
Generate and validate submitted HTML forms
Author: By
Last change:
Date: 11 months ago
Size: 3,369 bytes
 

Contents

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<?php
/**
 * User: delboy1978uk
 * Date: 04/12/2016
 * Time: 22:33
 */

namespace Del\Form\Renderer\Field;

use
Del\Form\Field\FieldInterface;
use
Del\Form\Field\Radio;
use
DOMDocumentFragment;
use
DOMElement;
use
DOMNode;
use
DOMText;
use
InvalidArgumentException;
use
LogicException;

class
RadioRender extends AbstractFieldRender implements FieldRendererInterface
{
   
/** @var DOMDocumentFragment $div */
   
private $fragment;

   
/**
     * @param FieldInterface $field
     * @param DOMElement $element
     * @return DOMNode
     */
   
public function renderBlock(FieldInterface $field, DOMElement $element)
    {
       
// We don't really want a containing div, so we'll ignore $element
        // and instead create a DOMDocumentFragment
       
unset($element);
       
$this->fragment = $this->getDom()->createDocumentFragment();

       
// Make sure the FieldInterface is actually a Radio
       
if (!$field instanceof Radio) {
            throw new
InvalidArgumentException('Must be a Del\Form\Field\Radio');
        }

       
$inline = $field->isRenderInline();

       
$options = $field->getOptions();
        if (empty(
$options)) {
            throw new
LogicException('You must set at least one option.');
        }

       
// Loop through each radio element (the options)
       
foreach ($options as $value => $label) {
           
$radio = $this->processOption($field, $value, $label, $inline);
           
$this->fragment->appendChild($radio);
        }

        return
$this->fragment;
    }


   
/**
     * @param FieldInterface $field
     * @param $value
     * @param $labelText
     * @return DOMElement
     */
   
private function processOption(FieldInterface $field, $value, $labelText, $inline)
    {
        if (
$inline === true) {
            return
$this->renderRadioInline($field, $value, $labelText);
        }
        return
$this->renderRadio($field, $value, $labelText);
    }

   
/**
     * @param FieldInterface $field
     * @param $value
     * @param $labelText
     * @return DOMElement
     */
   
private function renderRadio(FieldInterface $field, $value, $labelText)
    {
       
$div = $this->createElement('div');
       
$div->setAttribute('class', 'radio');
       
$radio = $this->renderRadioInline($field, $value, $labelText);
       
$radio->removeAttribute('class');
       
$div->appendChild($radio);
        return
$div;
    }

   
/**
     * @param FieldInterface $field
     * @param $value
     * @param $labelText
     * @return DOMElement
     */
   
private function renderRadioInline(FieldInterface $field, $value, $labelText)
    {
       
$label = $this->createElement('label');
       
$label->setAttribute('for', $field->getId());
       
$label->setAttribute('class', 'radio-inline');

       
$radio = $this->createElement('input');
       
$radio->setAttribute('type', 'radio');
       
$radio->setAttribute('name', $field->getName());
       
$radio->setAttribute('value', $value);
       
$text = $this->createText($labelText);

        if (
$field->getValue() == $radio->getAttribute('value')) {
           
$radio->setAttribute('checked', 'checked');
        }

       
$label->appendChild($radio);
       
$label->appendChild($text);

        return
$label;
    }
}