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<?php
/**
* Class helper_plugin_bureaucracy_fieldusers
*
* Create multi-user input, with autocompletion
*/
class helper_plugin_bureaucracy_fieldusers extends helper_plugin_bureaucracy_fieldtextbox {
/**
* Arguments:
* - cmd
* - label
* - ^ (optional)
*
* @param array $args The tokenized definition, only split at spaces
*/
public function initialize($args) {
parent::initialize($args);
$this->tpl['class'] .= ' userspicker';
}
/**
* Allow receiving user attributes by ".". Ex. user.name
* You can pass an optional argument to user.grps enclosed in brackets, used as an groups delimiter Ex. user.grps(, )
*
* @return string
*/
public function getReplacementPattern() {
$label = $this->opt['label'];
return '/(@@|##)' . preg_quote($label, '/') .
'(?:\((?P<delimiter>.*?)\))?' .//delimiter
'(?:\.(?P<attribute>.*?))?' . //match attribute after "."
'\1/si';
}
/**
* Used as an callback for preg_replace_callback
*
* @param $matches
* @return string
*/
public function replacementValueCallback($matches) {
/** @var DokuWiki_Auth_Plugin $auth */
global $auth;
$value = $this->opt['value'];
//copy the value by default
if (isset($matches[2]) && is_array($matches[2]) && count($matches[2]) == 2) {
return is_null($value) || $value === false ? $matches[0] : $value;
}
$attribute = isset($matches['attribute']) ? $matches['attribute'] : '';
//check if matched string containts a pair of brackets
$delimiter = preg_match('/\(.*\)/s', $matches[0]) ? $matches['delimiter'] : ', ';
$users = array_map('trim', explode(',', $value));
switch($attribute) {
case '':
return implode($delimiter, $users);
case 'name':
case 'mail':
return implode($delimiter, array_map(function ($user) use ($auth, $attribute) {
return $auth->getUserData($user)[$attribute];
}, $users));
default:
return $matches[0];
}
}
/**
* Return the callback for user replacement
*
* @return array
*/
public function getReplacementValue() {
return array($this, 'replacementValueCallback');
}
/**
* Validate value of field
*
* @throws Exception when user not exists
*/
protected function _validate() {
parent::_validate();
/** @var DokuWiki_Auth_Plugin $auth */
global $auth;
$users = array_filter(preg_split('/\s*,\s*/', $this->getParam('value')));
foreach ($users as $user) {
if ($auth->getUserData($user) === false) {
throw new Exception(sprintf($this->getLang('e_users'), hsc($this->getParam('display'))));
}
}
}
}
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