TabularInput inside Bootstrap Modal

gistfile1.txt

<?php

use yii\bootstrap\ActiveForm;
use yii\bootstrap\Modal;
use unclead\widgets\TabularInput;
use yii\helpers\Html;
use \unclead\widgets\examples\models\Item;

/* @var $this \yii\web\View */
/* @var $models Item[] */
?>

<?php
    Modal::begin([
        'toggleButton' => ['label' => 'click me'],
    ]);

    $form = \yii\bootstrap\ActiveForm::begin([
        'id'                        => 'tabular-form',
        'enableAjaxValidation'      => true,
        'enableClientValidation'    => false,
        'validateOnChange'          => false,
        'validateOnSubmit'          => true,
        'validateOnBlur'            => false,
        'options' => [
            'enctype' => 'multipart/form-data'
        ]
    ]);


    echo TabularInput::widget([
        'models' => $models,
        'attributeOptions' => [
            'enableAjaxValidation'      => true,
            'enableClientValidation'    => false,
            'validateOnChange'          => false,
            'validateOnSubmit'          => true,
            'validateOnBlur'            => false,
        ],
        'columns' => [
            [
                'name' => 'id',
                'type' => \unclead\widgets\TabularColumn::TYPE_HIDDEN_INPUT
            ],
            [
                'name'  => 'title',
                'title' => 'Title',
                'type'  => \unclead\widgets\MultipleInputColumn::TYPE_TEXT_INPUT,
            ],
            [
                'name'  => 'description',
                'title' => 'Description',
            ],
    //        [
    //            'name'  => 'file',
    //            'title' => 'File',
    //            'type'  => \vova07\fileapi\Widget::className(),
    //            'options' => [
    //                'settings' => [
    //                    'url' => ['site/fileapi-upload']
    //                ]
    //            ]
    //        ],
            [
                'name'  => 'date',
                'type'  => \kartik\date\DatePicker::className(),
                'title' => 'Day',
                'options' => [
                    'pluginOptions' => [
                        'format' => 'dd.mm.yyyy',
                        'todayHighlight' => true
                    ]
                ],
                'headerOptions' => [
                    'style' => 'width: 250px;',
                    'class' => 'day-css-class'
                ]
            ],
        ],
    ]);
    
    echo Html::submitButton('Update', ['class' => 'btn btn-success']);
    ActiveForm::end();
Modal::end();