How to display category tree in Grid View in yii2 like in WordPress?

Question

Yii

How to display category tree in Grid View in yii2 like in WordPress?
like this

Answer 1

Like this if you work with NestedSets

/**
 * @property integer $id
 * @property string $name
 * @property string $slug
 * @property string $title
 * @property string $description
 * @property integer $lft
 * @property integer $rgt
 * @property integer $depth
 * @property Meta $meta
 *

[
                        'attribute' => 'name',
                        'value' => function (Category $model) {
                            $indent = ($model->depth > 1 ? str_repeat('  ', $model->depth - 1) . ' ' : '');
                            return $indent . Html::a(Html::encode($model->name), ['view', 'id' => $model->id]);
                        },
                        'format' => 'raw',
                    ],