# Class yii\authclient\widgets\AuthChoice

Inheritance | yii\authclient\widgets\AuthChoice » yii\base\Widget » yii\base\Component » yii\base\BaseObject
Implements | yii\base\Configurable, yii\base\ViewContextInterface
Available since version | 2.0
Source Code | https://github.com/yiisoft/yii2-authclient/blob/master/widgets/AuthChoice.php

AuthChoice prints buttons for authentication via various auth clients.

It opens a popup window for the client authentication process. By default this widget relies on presence of yii\authclient\Collection among application components to get auth clients information.

Example:

    <?= yii\authclient\widgets\AuthChoice::widget([
        'baseAuthUrl' => ['site/auth']
    ]); ?>

You can customize the widget appearance by using begin() and end() syntax along with using method clientLink() or createClientUrl(). For example:

    <?php
    use yii\authclient\widgets\AuthChoice;
    ?>
    <?php $authAuthChoice = AuthChoice::begin([
        'baseAuthUrl' => ['site/auth']
    ]); ?>
    <ul>
    <?php foreach ($authAuthChoice->getClients() as $client): ?>
        <li><?= $authAuthChoice->clientLink($client) ?></li>
    <?php endforeach; ?>
    </ul>
    <?php AuthChoice::end(); ?>

This widget supports following keys for yii\authclient\ClientInterface::getViewOptions() result:

- popupWidth: int, width of the popup window in pixels.
- popupHeight: int, height of the popup window in pixels.
- widget: array, configuration for the widget, which should be used to render a client link; such widget should be a subclass of yii\authclient\widgets\AuthChoiceItem.

See also yii\authclient\AuthAction.

## Public Properties

Hide inherited properties

Property | Type | Description | Defined By
--- | --- | --- | ---
$autoIdPrefix | string | The prefix to the automatically generated widget IDs. | yii\base\Widget
$autoRender | boolean | Indicates if widget content, should be rendered automatically. | yii\authclient\widgets\AuthChoice
$baseAuthUrl | array | Base auth URL configuration. This property is read-only. | yii\authclient\widgets\AuthChoice
$behaviors | yii\base\Behavior[] | List of behaviors attached to this component. This property is read-only. | yii\base\Component
$clientCollection | string | Name of the auth client collection application component. | yii\authclient\widgets\AuthChoice
$clientIdGetParamName | string | Name of the GET param , which should be used to passed auth client id to URL defined by $baseAuthUrl. | yii\authclient\widgets\AuthChoice
$clientOptions | array | Additional options to be passed to the underlying JS plugin. | yii\authclient\widgets\AuthChoice
$clients | yii\authclient\ClientInterface[] | Auth providers. This property is read-only. | yii\authclient\widgets\AuthChoice
$counter | integer | A counter used to generate $id for widgets. | yii\base\Widget
$id | string|null | ID of the widget. Note that the type of this property differs in getter and setter. See getId() and setId() for details. | yii\base\Widget
$options | array | The HTML attributes that should be rendered in the div HTML tag representing the container element. | yii\authclient\widgets\AuthChoice
$popupMode | boolean | Indicates if popup window should be used instead of direct links. | yii\authclient\widgets\AuthChoice
$stack | yii\base\Widget[] | The widgets that are currently being rendered (not ended). | yii\base\Widget
$view | yii\web\View | The view object that can be used to render views or view files. Note that the type of this property differs in getter and setter. See getView() and setView() for details. | yii\base\Widget
$viewPath | string | The directory containing the view files for this widget. This property is read-only. | yii\base\Widget

## Public Methods

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Method | Description | Defined By
--- | --- | ---
__call() | Calls the named method which is not a class method. | yii\base\Component
__clone() | This method is called after the object is created by cloning an existing one. | yii\base\Component
__construct() | Constructor. | yii\base\BaseObject
__get() | Returns the value of a component property. | yii\base\Component
__isset() | Checks if a property is set, i.e. defined and not null. | yii\base\Component
__set() | Sets the value of a component property. | yii\base\Component
__unset() | Sets a component property to be null. | yii\base\Component
afterRun() | This method is invoked right after a widget is executed. | yii\base\Widget
attachBehavior() | Attaches a behavior to this component. | yii\base\Component
attachBehaviors() | Attaches a list of behaviors to the component. | yii\base\Component
beforeRun() | This method is invoked right before the widget is executed. | yii\base\Widget
begin() | Begins a widget. | yii\base\Widget
behaviors() | Returns a list of behaviors that this component should behave as. | yii\base\Component
canGetProperty() | Returns a value indicating whether a property can be read. | yii\base\Component
canSetProperty() | Returns a value indicating whether a property can be set. | yii\base\Component
className() | Returns the fully qualified name of this class. | yii\base\BaseObject
clientLink() | Outputs client auth link. | yii\authclient\widgets\AuthChoice
createClientUrl() | Composes client auth URL. | yii\authclient\widgets\AuthChoice
detachBehavior() | Detaches a behavior from the component. | yii\base\Component
detachBehaviors() | Detaches all behaviors from the component. | yii\base\Component
end() | Ends a widget. | yii\base\Widget
ensureBehaviors() | Makes sure that the behaviors declared in behaviors() are attached to this component. | yii\base\Component
getBaseAuthUrl() |  | yii\authclient\widgets\AuthChoice
getBehavior() | Returns the named behavior object. | yii\base\Component
getBehaviors() | Returns all behaviors attached to this component. | yii\base\Component
getClients() |  | yii\authclient\widgets\AuthChoice
getId() | Returns the ID of the widget. | yii\base\Widget
getView() | Returns the view object that can be used to render views or view files. | yii\base\Widget
getViewPath() | Returns the directory containing the view files for this widget. | yii\base\Widget
hasEventHandlers() | Returns a value indicating whether there is any handler attached to the named event. | yii\base\Component
hasMethod() | Returns a value indicating whether a method is defined. | yii\base\Component
hasProperty() | Returns a value indicating whether a property is defined for this component. | yii\base\Component
init() | Initializes the widget. | yii\authclient\widgets\AuthChoice
off() | Detaches an existing event handler from this component. | yii\base\Component
on() | Attaches an event handler to an event. | yii\base\Component
render() | Renders a view. | yii\base\Widget
renderFile() | Renders a view file. | yii\base\Widget
run() | Runs the widget. | yii\authclient\widgets\AuthChoice
setBaseAuthUrl() |  | yii\authclient\widgets\AuthChoice
setClients() |  | yii\authclient\widgets\AuthChoice
setId() | Sets the ID of the widget. | yii\base\Widget
setView() | Sets the view object to be used by this widget. | yii\base\Widget
trigger() | Triggers an event. | yii\base\Component
widget() | Creates a widget instance and runs it. | yii\base\Widget

## Protected Methods

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Method | Description | Defined By
--- | --- | ---
defaultBaseAuthUrl() | Composes default base auth URL configuration. | yii\authclient\widgets\AuthChoice
defaultClients() | Returns default auth clients list. | yii\authclient\widgets\AuthChoice
renderMainContent() | Renders the main content, which includes all external services links. | yii\authclient\widgets\AuthChoice

## Events

Hide inherited events

Event | Type | Description | Defined By
--- | --- | --- | ---
EVENT_AFTER_RUN | yii\base\WidgetEvent | An event raised right after executing a widget. (available since version 2.0.11) | yii\base\Widget
EVENT_BEFORE_RUN | yii\base\WidgetEvent | An event raised right before executing a widget. (available since version 2.0.11) | yii\base\Widget
EVENT_INIT | yii\base\Event | An event that is triggered when the widget is initialized via init(). (available since version 2.0.11) | yii\base\Widget

## Property Details

$autoRender public property

Indicates if widget content, should be rendered automatically. Note: this value automatically set to 'false' at the first call of createClientUrl()

public boolean $autoRender = true
$baseAuthUrl public property

Base auth URL configuration. This property is read-only.

public array $baseAuthUrl = null
$clientCollection public property

Name of the auth client collection application component. This component will be used to fetch services value if it is not set.

public string $clientCollection = 'authClientCollection'
$clientIdGetParamName public property

Name of the GET param , which should be used to passed auth client id to URL defined by $baseAuthUrl.

public string $clientIdGetParamName = 'authclient'
$clientOptions public property

Additional options to be passed to the underlying JS plugin.

public array $clientOptions = []
$clients public property

Auth providers. This property is read-only.

public yii\authclient\ClientInterface[] $clients = null
$options public property

The HTML attributes that should be rendered in the div HTML tag representing the container element.

See also yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered.

public array $options = []
$popupMode public property

Indicates if popup window should be used instead of direct links.

public boolean $popupMode = true

## Method Details

clientLink() public method

Outputs client auth link.

public string clientLink ( $client, $text = null, array $htmlOptions = [] )
$client | yii\authclient\ClientInterface | External auth client instance.
$text | string | Link text, if not set - default value will be generated.
$htmlOptions | array | Link HTML options.
return | string | Generated HTML.
throws | yii\base\InvalidConfigException | on wrong configuration.

createClientUrl() public method

Composes client auth URL.

public string createClientUrl ( $client )
$client | yii\authclient\ClientInterface | External auth client instance.
return | string | Auth URL.

defaultBaseAuthUrl() protected method

Composes default base auth URL configuration.

protected array defaultBaseAuthUrl ( )
return | array | Base auth URL configuration.

defaultClients() protected method

Returns default auth clients list.

protected yii\authclient\ClientInterface[] defaultClients ( )
return | yii\authclient\ClientInterface[] | Auth clients list.

getBaseAuthUrl() public method

public array getBaseAuthUrl ( )
return | array | Base auth URL configuration.

getClients() public method

public yii\authclient\ClientInterface[] getClients ( )
return | yii\authclient\ClientInterface[] | Auth providers

init() public method

Initializes the widget.

public void init ( )

renderMainContent() protected method

Renders the main content, which includes all external services links.

protected string renderMainContent ( )
return | string | Generated HTML.

run() public method

Runs the widget.

public string run ( )
return | string | Rendered HTML.

setBaseAuthUrl() public method

public void setBaseAuthUrl ( array $baseAuthUrl )
$baseAuthUrl | array | Base auth URL configuration.

setClients() public method

public void setClients ( array $clients )
$clients | yii\authclient\ClientInterface[] | Auth providers