/**
* {@inheritdoc}
*/
public function validate(ElggEntity $entity)
{
$shortname = $this->getShortname();
$validation = new ValidationStatus();
$value = elgg_extract($shortname, $_FILES, array());
$error_type = elgg_extract('error', $value);
$has_uploaded_file = $error_type != UPLOAD_ERR_NO_FILE;
if (!$has_uploaded_file) {
if ($this->isRequired() && empty($this->getValues($entity))) {
$validation->setFail(elgg_echo('prototyper:validate:error:required', array($this->getLabel())));
}
} else {
$error = hypeApps()->uploader->getFriendlyUploadError($error_type);
if ($error) {
$validation->setFail($error);
} else {
$validation = $this->applyValidationRules($value, $validation, $entity);
}
}
return $validation;
}
/**
* Validates that input matches a regex
*
* @param string $hook "validate:img_min_width"
* @param string $type "prototyper"
* @param ValidationStatus $validation Current validation status
* @param array $params Hook params
* @return ValidationStatus
*/
function prototyper_validate_img_dimensions($hook, $type, $validation, $params)
{
if (!$validation instanceof ValidationStatus) {
$validation = new ValidationStatus();
}
$field = elgg_extract('field', $params);
if (!$field instanceof ImageUploadField) {
return $validation;
}
$value = elgg_extract('value', $params);
$expectation = elgg_extract('expectation', $params);
$img = elgg_extract('tmp_name', $value);
$sizeinfo = getimagesize($img);
if (!$sizeinfo) {
$validation->setFail(elgg_echo('prototyper:validate:error:image_dimensions', array($field->getLabel())));
return $validation;
}
list($width, $height) = $sizeinfo;
$rule = elgg_extract('rule', $params);
switch ($rule) {
case 'img_min_width':
if ($width < $expectation) {
$validation->setFail(elgg_echo('prototyper:validate:error:img_min_width', array($field->getLabel(), $expectation)));
}
break;
case 'img_max_width':
if ($width > $expectation) {
$validation->setFail(elgg_echo('prototyper:validate:error:img_max_width', array($field->getLabel(), $expectation)));
}
break;
case 'img_min_height':
if ($height < $expectation) {
$validation->setFail(elgg_echo('prototyper:validate:error:img_min_height', array($field->getLabel(), $expectation)));
}
break;
case 'img_max_height':
if ($height > $expectation) {
$validation->setFail(elgg_echo('prototyper:validate:error:img_max_height', array($field->getLabel(), $expectation)));
}
break;
}
return $validation;
}