public function getNavigation()
{
return [['icon' => 'fa fa-fw fa-list-alt', 'label' => Yii::t('NewsModule.news', 'News list'), 'url' => ['/news/newsBackend/index']], ['icon' => 'fa fa-fw fa-plus-square', 'label' => Yii::t('NewsModule.news', 'Create news'), 'url' => ['/news/newsBackend/create']], ['icon' => 'fa fa-fw fa-folder-open', 'label' => Yii::t('NewsModule.news', 'News categories'), 'url' => ['/category/categoryBackend/index', 'Category[parent_id]' => (int) $this->mainCategory]]];
}