/**
* Performs the server-side validation
*
* Before the Rules added to the element kick in, the element checks the
* error code added to the $_FILES array by PHP. If the code isn't
* UPLOAD_ERR_OK or UPLOAD_ERR_NO_FILE then a built-in error message will be
* displayed and no further validation will take place.
*
* @return boolean Whether the element is valid
*/
protected function validate()
{
if (strlen($this->error)) {
return false;
}
if (isset($this->value['error']) && !in_array($this->value['error'], array(UPLOAD_ERR_OK, UPLOAD_ERR_NO_FILE))) {
$errorMessage = $this->messageProvider instanceof HTML_QuickForm2_MessageProvider ? $this->messageProvider->get(array('file', $this->value['error']), $this->language) : call_user_func($this->messageProvider, array('file', $this->value['error']), $this->language);
if (UPLOAD_ERR_INI_SIZE == $this->value['error']) {
$iniSize = ini_get('upload_max_filesize');
$size = intval($iniSize);
switch (strtoupper(substr($iniSize, -1))) {
case 'G':
$size *= 1024;
case 'M':
$size *= 1024;
case 'K':
$size *= 1024;
}
} elseif (UPLOAD_ERR_FORM_SIZE == $this->value['error']) {
foreach ($this->getDataSources() as $ds) {
if ($ds instanceof HTML_QuickForm2_DataSource_Submit) {
$size = intval($ds->getValue('MAX_FILE_SIZE'));
break;
}
}
}
$this->error = isset($size) ? sprintf($errorMessage, $size) : $errorMessage;
return false;
}
return parent::validate();
}
/**
* Performs the server-side validation.
* Checks captcha validation first, continues with
* defined rules if captcha is valid
*
* @return boolean Whether the element is valid
*/
protected function validate()
{
// Alternative: use custom rule to get error messages
if (!$this->verifyCaptcha()) {
$this->setError($this->data['captchaSolutionWrong']);
return false;
}
return parent::validate();
}
