<?php
/**
* User: delboy1978uk
* Date: 04/12/2016
* Time: 23:36
*/
namespace Del\Form\Renderer\Error;
use Del\Form\Field\FieldInterface;
use DOMElement;
use DOMText;
class DefaultErrorRender extends AbstractErrorRender implements ErrorRendererInterface
{
/**
* @param FieldInterface $field
* @return DOMElement
*/
public function render(FieldInterface $field)
{
$helpBlock = $this->getDom()->createElement('span');
$helpBlock->setAttribute('class', 'help-block');
if ($this->shouldRender($field)) {
$helpBlock = $field->hasCustomErrorMessage()
? $this->addCustomErrorMessage($helpBlock, $field)
: $this->addErrorMessages($helpBlock, $field);
}
return $helpBlock;
}
/**
* @param DOMElement $helpBlock
* @param FieldInterface $field
* @return DOMElement
*/
private function addCustomErrorMessage(DOMElement $helpBlock, FieldInterface $field)
{
$message = $field->getCustomErrorMessage();
$text = $this->createText($message);
$helpBlock->appendChild($text);
return $helpBlock;
}
/**
* @param DOMElement $helpBlock
* @param FieldInterface $field
* @return DOMElement
*/
private function addErrorMessages(DOMElement $helpBlock, FieldInterface $field)
{
$messages = $field->getMessages();
foreach ($messages as $message) {
$helpBlock = $this->appendMessage($helpBlock, $message);
}
return $helpBlock;
}
/**
* @param DOMElement $helpBlock
* @param $message
* @return DOMElement
*/
private function appendMessage(DOMElement $helpBlock, $message)
{
$text = $this->createText($message);
$br = $this->createLineBreak();
$helpBlock->appendChild($text);
$helpBlock->appendChild($br);
return $helpBlock;
}
}
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