/** * Retrieves grid columns configuration using the modelClass. * @param Model $model * @param array $fields * @return array grid columns */ public function getIndexGridColumns($model, $fields) { $id = Yii::$app->request->getQueryParam('id'); $relationName = Yii::$app->request->getQueryParam('relation'); $multiple = Yii::$app->request->getQueryParam('multiple', 'true') === 'true'; foreach ($fields as $key => $field) { if ((is_array($field) || !is_string($field) && is_callable($field)) && $key === $relationName || $field === $relationName) { unset($fields[$key]); } } return array_merge([['class' => 'yii\\grid\\CheckboxColumn', 'multiple' => $multiple, 'headerOptions' => ['class' => 'column-serial'], 'checkboxOptions' => function ($model, $key, $index, $column) use($id, $relationName) { /** @var \yii\db\ActiveRecord $model */ $options = ['value' => is_array($key) ? json_encode($key, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) : $key]; if (empty($relationName) || $model->{$relationName} === null || trim($id) === '') { return $options; } $relation = $model->getRelation($relationName); if ($relation->multiple) { /** @var \yii\db\ActiveRecord $relationClass */ $relationClass = $relation->modelClass; if (Action::importKey($relationClass::primaryKey(), $id) === $model->getAttributes(array_keys($relation->link))) { $options['checked'] = true; $options['disabled'] = true; } } elseif (Action::exportKey($relation->one()->getPrimaryKey()) === $id) { $options['checked'] = true; $options['disabled'] = true; } return $options; }], ['class' => 'yii\\grid\\SerialColumn', 'headerOptions' => ['class' => 'column-serial']]], self::getGridColumns($model, $fields)); }