Autocomplete Ajax

This is the AutocompleteAjax widget and a Yii 2 enhanced wrapper for the Autocomplete | jQuery UI. A simple way to search model id of the attributes model.

Installation

The preferred way to install this extension is through composer.

"require": {
    "keygenqt/yii2-autocomplete-ajax": "1.0.3"
}

Usage

View:

<?= $form->field($model, 'complete_id')->widget(keygenqt\autocompleteAjax\AutocompleteAjax::class, [
    'url' => ['ajax/search'],
    'options' => ['placeholder' => 'Find by user email or user id.']
]) ?>

Controller:

class AjaxController extends Controller
{
    public function actionSearch($term)
    {
        if (Yii::$app->request->isAjax) {

            sleep(2); // for test

            $results = [];
            if (is_numeric($term)) {
                /** @var User $model */
                $model = User::findOne(['id' => $term]);

                if ($model) {
                    $results[] = [
                        'id' => $model['id'],
                        'label' => $model['email'] . ' (model id: ' . $model['id'] . ')',
                    ];
                }
            } else {
                $q = addslashes($term);
                foreach (User::find()->where("(`email` like '%{$q}%')")->all() as $model) {
                    $results[] = [
                        'id' => $model['id'],
                        'label' => $model['email'] . ' (model id: ' . $model['id'] . ')',
                    ];
                }
            }
            echo Json::encode($results);
        }
    }
}

License

Copyright 2016-2024 Vitaliy Zarubin

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.