/**
* This function will return the errors. It is extended so we can do file checks automatically.
*
* @return string
*/
public function getErrors()
{
// if the image is bigger then the allowed configuration it won't show up as filled but it is submitted
// the empty check is added because otherwise this error is shown like 7 times
if ($this->isSubmitted() && isset($_FILES[$this->getName()]['error']) && empty($this->errors)) {
$imageError = $_FILES[$this->getName()]['error'];
if ($imageError === UPLOAD_ERR_INI_SIZE && empty($this->errors)) {
$this->addError(SpoonFilter::ucfirst(sprintf(BackendLanguage::err('FileTooBig'), Form::getUploadMaxFileSize())));
}
}
return $this->errors;
}
/**
* Parses the html for this filefield.
*
* @param TwigTemplate $template The template to parse the element in.
*
* @throws \SpoonFormException
*
* @return string
*/
public function parse($template = null)
{
// name is required
if ($this->attributes['name'] == '') {
throw new \SpoonFormException('A name is required for a file field. Please provide a name.');
}
// start html generation
$output = '<input type="file"';
// add attributes
$output .= $this->getAttributesHTML(array('[id]' => $this->attributes['id'], '[name]' => $this->attributes['name'])) . ' />';
// add help txt if needed
if (!$this->hideHelpTxt) {
$output .= '<p class="help-block">' . sprintf(BackendLanguage::getMessage('HelpImageFieldWithMaxFileSize', 'core'), Form::getUploadMaxFileSize()) . '</p>';
}
// parse to template
if ($template !== null) {
$template->assign('file' . SpoonFilter::toCamelCase($this->attributes['name']), $output);
$template->assign('file' . SpoonFilter::toCamelCase($this->attributes['name']) . 'Error', $this->errors != '' ? '<span class="formError text-danger">' . $this->errors . '</span>' : '');
}
return $output;
}