Select2 gives you a customizable select box with support for searching, tagging, remote data sets, infinite scrolling, and many other highly used options. For more information please visit Select2
The preferred way to install this extension is through composer.
To install, either run
$ php composer.phar require conquer/select2 "*"
or add
"conquer/select2": "*"
to the require section of your composer.json file.
Basic usage:
// Form edit view
use conquer\select2\Select2Widget;
use yii\helpers\ArrayHelper;
$form->field($model, 'attribute')->widget(
Select2Widget::className(),
[
'items'=>ArrayHelper::map(Catalog::find()->all(), 'id', 'name')
]
);Ajax:
use conquer\select2\Select2Action;
...
class SiteController extends Controller
{
public function actions()
{
return [
'ajax' => [
'class' => Select2Action::className(),
'dataCallback' => [$this, 'dataCallback'],
],
];
}
/**
*
* @param string $q
* @return array
*/
public function dataCallback($q)
{
$query = new ActiveQuery(Catalog::className());
return [
'results' => $query->select([
'catalog_id as id',
'catalog_name as text',
])
->filterWhere(['like', 'catalog_name', $q])
->asArray()
->limit(20)
->all(),
];
}
}
// Form edit view:
$form->field($model, 'attribute')->widget(
Select2Widget::className(),
[
'ajax' => ['site/ajax']
]
);conquer/select2 is released under the MIT License. See the bundled LICENSE for details.