master/views/event/_form.php

<?php
use artweb\artbox\components\artboximage\ArtboxImageHelper;
use artweb\artbox\event\models\Event;
use artweb\artbox\event\models\EventLang;
use artweb\artbox\language\widgets\LanguageForm;
use kartik\date\DatePicker;
use kartik\select2\Select2;
use yii\helpers\Html;
    use yii\helpers\Url;
    use yii\widgets\ActiveForm;
    use yii\web\JsExpression;
/* @var $this yii\web\View */
/* @var $model Event */
/* @var $modelLangs EventLang */
/* @var $form yii\widgets\ActiveForm */
?>
<div class="event-form">
    <?php $form = ActiveForm::begin([
        'enableClientValidation' => false,
        'options' => ['enctype' => 'multipart/form-data']
    ]); ?>
    <?= $form->field($model, 'id')->textInput(['maxlength' => true, 'disabled'=>true]) ?>
    <?= $form->field($model, 'end_at')
        ->widget(DatePicker::className(), [
            'pluginOptions' => [
                'todayHighlight' => true,
                'format' => 'yyyy-mm-dd',
            ]]) ?>
    <?= $form->field($model, 'image')->widget(\kartik\file\FileInput::className(), [
        'language' => 'ru',
        'options' => [
            'accept' => 'image/*',
            'multiple' => false,
            'deleteurl' => $model->isNewRecord?false:Url::to(['/event/event/delete-image', 'id' => $model->id]),
            'class'     => $model->isNewRecord?'':'artbox-delete-file',
        ],
        'pluginOptions' => [
            'allowedFileExtensions' => ['jpg', 'gif', 'png'],
            'initialPreview' => !empty($model->getImageUrl(0, false)) ? ArtboxImageHelper::getImage($model->imageUrl, 'list') : '',
            'deleteUrl' => \yii\helpers\Url::to(['/product/manage/delimg', 'id' => $model->primaryKey]),
            'initialPreviewConfig' => $model->getImagesConfig(),
            'initialPreviewShowDelete' => false,
            'overwriteInitial'         => true,
            'showRemove'               => true,
            'showUpload'               => false,
            'showClose'                => false,
            'previewFileType'          => 'image',
        ],
    ]); ?>
    <?= $form->field($model, 'banner')->widget(\kartik\file\FileInput::className(), [
        'language' => 'ru',
        'options' => [
            'accept' => 'image/*',
            'multiple' => false,
            'deleteurl' => $model->isNewRecord?false:Url::to(['/event/event/delete-banner', 'id' => $model->id]),
            'class'     => $model->isNewRecord?'':'artbox-delete-file',
        ],
        'pluginOptions' => [
            'allowedFileExtensions' => ['jpg', 'gif', 'png'],
            'initialPreview' => !empty($model->getImageUrl(1, false)) ? ArtboxImageHelper::getImage($model->getImageUrl(1), 'list') : '',
            'deleteUrl' => \yii\helpers\Url::to(['/product/manage/delimg', 'id' => $model->primaryKey]),
            'initialPreviewConfig' => $model->getImagesConfig('banner'),
            'initialPreviewShowDelete' => false,
            'overwriteInitial'         => true,
            'showRemove'               => true,
            'showUpload'               => false,
            'showClose'                => false,
            'previewFileType'          => 'image',
        ],
    ]); ?>
    <?= $form->field($model, 'products_file')->widget(\kartik\file\FileInput::className(), [
        'language' => 'ru'
    ]); ?>
    <?= $form->field($model, 'status')
        ->widget(Select2::className(), ( [
            'name'          => 'status',
            'hideSearch'    => true,
            'data'          => [
                1 => \Yii::t('app', 'Active'),
                2 => \Yii::t('app', 'Inactive'),
            ],
            'options'       => [ 'placeholder' => \Yii::t('app', 'Select status...') ],
            'pluginOptions' => [
                'allowClear' => true,
            ],
        ] )) ?>
    <?= $form->field($model, 'is_sale')->checkbox() ?>
    <?= $form->field($model, 'is_event')->checkbox() ?>
    <?= $form->field($model, 'percent')->textInput() ?>
    <?= LanguageForm::widget([
        'modelLangs' => $modelLangs,
        'formView'    => '@artweb/artbox/event/views/event/_form_language',
        'form'        => $form,
    ]) ?>
    <?php $condition = '';
        echo Select2::widget(
            [
                'name'          => 'variantsIds',
                'options'       => [
                    'placeholder' => \Yii::t('app', 'Search for variant ...'),
                    'multiple'    => true,
                ],
                'value'         => array_keys($model->variantsIds),
                'data'          => $model->variantsIds,
                'pluginOptions' => [
                    'allowClear'         => true,
                    'minimumInputLength' => 3,
                    'language'           => [
                        'errorLoading' => new JsExpression(
                            "function () { return 'Waiting for results...'; }"
                        ),
                    ],
                    'ajax'               => [
                        'url'      => Url::to([ '/ecommerce/variant/list' ]),
                        'dataType' => 'json',
                        'data'     => new JsExpression(
                            'function(params) {
                                    return {
                                        q:params.term' . $condition . '
                                    };
                                 }'
                        ),
                    ],
                    'escapeMarkup'       => new JsExpression(
                        'function (markup) {
                                return markup;
                             }'
                    ),
                    'templateResult'     => new JsExpression(
                        'function (product) {
                                return product.text;
                             }'
                    ),
                    'templateSelection'  => new JsExpression(
                        'function (product) {
                                return product.text;
                             }'
                    ),
                ],
            ]
        );
    ?>
    <div class="form-group">
        <?= Html::submitButton($model->isNewRecord ? Yii::t('app', 'Create') : Yii::t('app', 'Update'), ['class' => $model->isNewRecord ? 'btn btn-success' : 'btn btn-primary']) ?>
    </div>
    <?php ActiveForm::end(); ?>
</div>