/**
* Executes the widget.
*/
public function run()
{
if ($this->hasModel()) {
if ($this->asDropdownList) {
echo Html::activeDropDownList($this->model, $this->attribute, $this->data, $this->options);
} else {
if (!isset($this->clientOptions['query']) && !isset($this->clientOptions['ajax']) && !isset($this->clientOptions['data'])) {
throw new InvalidConfigException('Must be set at least one of the client options: query, data, ajax.');
}
echo Html::activeHiddenInput($this->model, $this->attribute, $this->options);
}
} else {
if ($this->asDropdownList) {
echo Html::dropDownList($this->name, $this->value, $this->data, $this->options);
} else {
if (!isset($this->clientOptions['query']) && !isset($this->clientOptions['ajax']) && !isset($this->clientOptions['data'])) {
throw new InvalidConfigException('Must be set at least one of the options Select2: query, data, ajax.');
}
echo Html::hiddenInput($this->name, $this->value, $this->options);
}
}
Select2Asset::register($this->view);
$this->registerPlugin('select2');
}
/**
* @inheritdoc
*/
public static function activeDropDownList($model, $attribute, $items, $options = [])
{
Select2Asset::register(\Yii::$app->view);
self::addCssClass($options, self::CLASS_SELECT2ME);
self::addData($options, 'placeholder', '-');
return parent::activeDropDownList($model, $attribute, $items, $options);
}