/**
* @param UploadField|\DisplayLogicWrapper $field
* @param string $configVarName - allow you to switch config to check e.g. 'allowed_video_files'
* @throws Exception
*/
protected function configureUploadField($field, $configVarName = 'allowed_files')
{
$fieldName = $field->getName();
if ($field instanceof \DisplayLogicWrapper) {
// drill down into wrapper to get actual UploadField
$field = $field->fieldByName($fieldName);
}
list($minlength, $maxlength, $pattern) = $this->fieldConstraints($fieldName, [0, 0, '']);
$field->setAllowedMaxFileNumber($maxlength ?: null);
// don't allow existing media to be re-attached it's a has_one so would be messy
$allowExistingFiles = $this->config()->get('can_attach_existing');
$field->setCanAttachExisting($allowExistingFiles);
$field->setFolderName($this->uploadFolderName());
// could be string for category or an array of extensions
// try extension first, then model
$extensions = $allowedFiles = $this->config()->get($configVarName) ?: $this()->config()->get($configVarName);
$categories = [];
if (!is_array($allowedFiles)) {
// could be comma separated list of categories
$categories = explode(',', $allowedFiles);
// get extensions from category so we always get a list of extensions for the CMS right title
$allCategoryExtensions = \File::config()->get('app_categories') ?: [];
foreach ($categories as $category) {
if (isset($allCategoryExtensions[$category])) {
$extensions = $allCategoryExtensions[$category];
} else {
$extensions = [$category];
}
}
}
if (is_array($allowedFiles)) {
// was an array originally, so pass merged extensions
$field->setAllowedExtensions($extensions);
} elseif ($categories) {
// array of categories to apply to setAllowedFileCategories as parameters
call_user_func_array([$field, 'setAllowedFileCategories'], $categories);
} elseif ($allowedFiles) {
// not an array so a category e.g. 'video'
$field->setAllowedFileCategories($allowedFiles);
} else {
throw new Exception("No {$configVarName} configuration set");
}
$field->setRightTitle($this->fieldDecoration($fieldName, 'Label', $field->Title(), ['extensions' => implode(', ', $extensions)]));
}
