/**
* @inheritdoc
*/
public function init()
{
parent::init();
if (!in_array($this->mode, array('date', 'time', 'datetime'))) {
throw new InvalidConfigException('Unknown mode: "' . $this->mode . '". Use time, datetime or date!');
}
if ($this->inline && !isset($this->containerOptions['id'])) {
$this->containerOptions['id'] = $this->options['id'] . '-container';
}
if ($this->size) {
Html::addCssClass($this->options, 'input-' . $this->size);
Html::addCssClass($this->containerOptions, 'input-group-' . $this->size);
}
if ($this->language === null && ($language = Yii::$app->language) !== 'en-US') {
$this->language = substr($language, 0, 2);
}
Html::addCssClass($this->options, 'form-control');
Html::addCssClass($this->containerOptions, 'input-group ' . $this->mode);
}