Yii2: How to dynamically switch theme

[djfly]

i try to do this, it's not work
\Yii::$app->view->theme = '@app/themes/blue';

[cebe]

where do you do it in your code?

[cebe]

See http://www.yiiframework.com/doc-2.0/guide-output-theming.html for how to do it right.

[djfly]

I want to implement click a link to switch themes

public function actionThemeswitch($theme)
{
        \Yii::$app->view->theme = $theme;
        return $this->refresh();
 }

@cebe

[samdark]

The mistake is the fact that PHP application "dies" every request so each config option you're setting runtime is valid only on current request. You need to store it somewhere (session, cookies etc.) and re-initialize it like you did on each application start.

[djfly]

Currently written in such a way, if there is nothing wrong?

public function actionThemeswitch($theme)
{
    $options = ['name'=>'theme','value'=>$theme,'expire'=>time()+86400*365];
    $cookie = new \yii\web\Cookie($options);
    Yii::$app->response->cookies->add($cookie);

    return $this->redirect(['backend/info']);
}

public function beforeAction($action)
{
    if (parent::beforeAction($action)) {
        $theme = "blue";
        if (Yii::$app->request->cookies['theme']) {
            $theme = Yii::$app->request->cookies->getValue('theme');
        }
        Yii::$app->view->theme = new \yii\base\Theme([
            'pathMap' => ['@app/views' => '@app/themes/'.$theme],
            'baseUrl' => '@web',

        ]);
        return true;  // or false if needed
    } else {
        return false;
    }
}

@samdark

[samdark]

Yes, looks OK.

[mrfinrod]

Correct url is http://stuff.cebe.cc/yii2docs/guide-output-theming.html

[paskuale75]

And for assetsBundle? How change it on the fly? In addition to the theme usually also the resources to be included (css, js, etc ....)