zxcms/backend/views/layouts/left.php

<?php

//use yii\widgets\ActiveForm;
use kartik\form\ActiveForm;
use core\forms\SearchForm;
use yii\helpers\Html;

$model = new SearchForm();
?>

<aside class="main-sidebar">

    <section class="sidebar">

        <!-- Sidebar user panel -->
        <div class="user-panel">
            <div class="pull-left image">
                <img src="<?= Yii::$app->avatar->show(Yii::$app->user->identity->user->username) ?>" class="img-circle" alt="<?= Yii::$app->user->identity->user->username ?>"/>
            </div>
            <div class="pull-left info">
                <p><?= Yii::$app->user->identity->user->username ?></p>

                <a href="#"><i class="fa fa-circle text-success"></i> <?= Yii::t('main', 'Online') ?></a>
            </div>
        </div>

	    <!-- search form -->
	    <?php $form = ActiveForm::begin([
	    	'action' => \yii\helpers\Url::to(['/site/search']),
	    	'options' => [
	    		'class' => 'sidebar-form'
		    ],
		    'enableClientValidation' => false,
		    'fieldConfig' => [
			    'options' => [
				    'tag' => false,
			    ],
		    ],
	    ]); ?>

	    <?= $form->field($model, 'query', [
		    'addon' => [
			    'append' => [
				    'content' => Html::button('<i class="fa fa-search"></i>', ['class'=>'btn btn-flat', 'id' => 'search-btn']),
				    'asButton' => true
			    ]
		    ],
		    'template' => "{input}",
	    ])->textInput(['placeholder' => 'Search...'])->label(false)->hint(false); ?>

	    <?php ActiveForm::end(); ?>
        <!-- /.search form -->

        <?= dmstr\widgets\Menu::widget(
            [
                'options' => ['class' => 'sidebar-menu tree', 'data-widget'=> 'tree'],
                'items' => \yii\helpers\ArrayHelper::merge([
                    ['label' => Yii::t('main', 'Menu'), 'options' => ['class' => 'header']],

	                [
	                	'label' => Yii::t('dashboard', 'Dashboard'),
		                'icon' => 'dashboard',
		                'url' => ['/site/index'],
		                'active' => $this->context->id == '/site/index'],

	                [
	                	'label' => Yii::t('user', 'Users'),
		                'icon' => 'user',
		                'url' => ['/user/index'],
		                'active' => $this->context->id == 'user',
		                'visible' => \Yii::$app->user->can('admin') || \Yii::$app->user->can('UserManagement'),
	                ],

	                ['label' => Yii::t('user', 'Access Rules'), 'icon' => 'lock', 'items' => [
		                ['label' => Yii::t('user', 'Roles'), 'icon' => 'caret-right', 'url' => ['/role/index'], 'active' => \Yii::$app->controller->getUniqueId() == 'role'],
		                ['label' => Yii::t('user', 'Permissions'), 'icon' => 'caret-right', 'url' => ['/permission/index'], 'active' => \Yii::$app->controller->getUniqueId() == 'permission'],
	                ], 'visible' => \Yii::$app->user->can('admin') || \Yii::$app->user->can('UserManagement')],

	                [
	                	'label' => Yii::t('page', 'Pages'),
		                'icon' => 'file-o', 'url' => ['/page/index'],
		                'active' => $this->context->id == 'page',
		                'visible' => \Yii::$app->user->can('admin') || \Yii::$app->user->can('PagesManagement'),
	                ],

	                ['label' => Yii::t('post', 'Posts'), 'icon' => 'newspaper-o', 'items' => array_merge(
	                    array_map(function(\core\entities\post\PostType $type) {
	                        return ['label' => $type->plural, 'icon' => 'caret-right', 'items' => [
		                        ['label' => Yii::t('post', 'Categories'), 'icon' => 'caret-right', 'url' => ['/post/category', 'tid' => $type->id], 'active' => \Yii::$app->controller->getUniqueId() == 'post/category' && \Yii::$app->request->get('tid') == $type->id],
		                        ['label' => $type->plural, 'icon' => 'caret-right', 'url' => ['/post/post', 'tid' => $type->id], 'active' => \Yii::$app->controller->getUniqueId() == 'post/post' && \Yii::$app->request->get('tid') == $type->id],
		                        ['label' => Yii::t('post', 'Tags'), 'icon' => 'caret-right', 'url' => ['/post/tag', 'tid' => $type->id], 'active' => \Yii::$app->controller->getUniqueId() == 'post/tag' && \Yii::$app->request->get('tid') == $type->id],
	                        ]];
	                    }, \core\entities\post\PostType::find()->all()),
		                [['label' => Yii::t('post', 'Comments'), 'icon' => 'caret-right', 'url' => ['/post/comment'], 'active' => \Yii::$app->controller->getUniqueId() == 'post/comment']],
		                [['label' => Yii::t('post', 'Types'), 'icon' => 'caret-right', 'url' => ['/post/type'], 'active' => \Yii::$app->controller->getUniqueId() == 'post/type']]
                    ), 'visible' => \Yii::$app->user->can('admin') || \Yii::$app->user->can('PostManagement')],

	                [
	                	'label' => Yii::t('slider', 'Slider'),
		                'icon' => 'retweet', 'url' => ['/slider/index'],
		                'active' => $this->context->id == 'slider',
		                'visible' => \Yii::$app->user->can('admin') || \Yii::$app->user->can('SliderManagement'),
	                ],

	                [
		                'label' => Yii::t('main', 'Settings'),
		                'icon' => 'cog', 'url' => ['/settings/index'],
		                'active' => $this->context->id == 'settings',
		                'visible' => \Yii::$app->user->can('admin') || \Yii::$app->user->can('SettingsManagement'),
	                ],
                ], Yii::$app->params['adminMenu']),
            ]
        ) ?>

    </section>

</aside>