Class yii\authclient\widgets\GooglePlusButton

All Classes | Properties | Methods
Inheritanceyii\authclient\widgets\GooglePlusButton » yii\authclient\widgets\AuthChoiceItem » yii\base\Widget
Available since extension's version2.0.4
Source Code https://github.com/yiisoft/yii2-authclient/blob/master/src/widgets/GooglePlusButton.php

GooglePlusButton renders Google+ sign-in button.

This widget is designed to interact with yii\authclient\clients\GoogleHybrid.

See also:

Public Properties

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Property Type Description Defined By
$authChoice yii\authclient\widgets\AuthChoice Parent AuthChoice widget yii\authclient\widgets\AuthChoiceItem
$buttonHtmlOptions array Button tag HTML options, which will be merged with the default ones. yii\authclient\widgets\GooglePlusButton
$callback string|array Callback JavaScript function name or URL config. yii\authclient\widgets\GooglePlusButton
$client yii\authclient\ClientInterface Auth client instance. yii\authclient\widgets\AuthChoiceItem

Public Methods

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Method Description Defined By
getCallback() yii\authclient\widgets\GooglePlusButton
init() Initializes the widget. yii\authclient\widgets\GooglePlusButton
run() Runs the widget. yii\authclient\widgets\GooglePlusButton
setCallback() yii\authclient\widgets\GooglePlusButton

Protected Methods

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Method Description Defined By
generateCallback() Generates JavaScript callback function, which will be used to handle auth response. yii\authclient\widgets\GooglePlusButton
registerClientScript() Registers necessary JavaScript. yii\authclient\widgets\GooglePlusButton
renderButton() Renders sign-in button. yii\authclient\widgets\GooglePlusButton

Property Details

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$buttonHtmlOptions public property

Button tag HTML options, which will be merged with the default ones.

public array $buttonHtmlOptions = []
$callback public property

Callback JavaScript function name or URL config.

public string|array $callback = null

Method Details

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generateCallback() protected method

Generates JavaScript callback function, which will be used to handle auth response.

protected string generateCallback ( array $url = [] )
$url array

Auth callback URL.
return string

JavaScript function name.

 

                protected function generateCallback($url = [])
{
    if (empty($url)) {
        $url = $this->authChoice->createClientUrl($this->client);
    } else {
        $url = Url::to($url);
    }
    if (strpos($url, '?') === false) {
        $url .= '?';
    } else {
        $url .= '&';
    }
    $callbackName = 'googleSignInCallback' . md5($this->id);
    $js = <<<JS
tion $callbackName(authResult) {
var urlParams = [];
if (authResult['code']) {
    urlParams.push('code=' + encodeURIComponent(authResult['code']));
} else if (authResult['error']) {
    if (authResult['error'] == 'immediate_failed') {
        return;
    }
    urlParams.push('error=' + encodeURIComponent(authResult['error']));
    urlParams.push('error_description=' + encodeURIComponent(authResult['error_description']));
} else {
    for (var propName in authResult) {
        var propValue = authResult[propName];
        if (typeof propValue != 'object') {
            urlParams.push(encodeURIComponent(propName) + '=' + encodeURIComponent(propValue));
        }
    }
}
window.location = '$url' + urlParams.join('&');
    $this->view->registerJs($js, View::POS_END, __CLASS__ . '#' . $this->id);
    return $callbackName;
}
getCallback() public method

public string getCallback ( )
return string

Callback JavaScript function name.

 

                public function getCallback()
{
    if (empty($this->_callback)) {
        $this->_callback = $this->generateCallback();
    } elseif (is_array($this->_callback)) {
        $this->_callback = $this->generateCallback($this->_callback);
    }
    return $this->_callback;
}
init() public method

Initializes the widget.

public mixed init ( )

                public function init()
{
    if (!($this->client instanceof GoogleHybrid)) {
        throw new InvalidConfigException('"' . self::class . '::client" must be instance of "' . GoogleHybrid::class . '"');
    }
}
registerClientScript() protected method

Registers necessary JavaScript.

protected mixed registerClientScript ( )

                protected function registerClientScript()
{
    $js = <<<JS
ction() {
var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
po.src = 'https://apis.google.com/js/client:plusone.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
;
    $this->view->registerJs($js, View::POS_END, __CLASS__);
}
renderButton() protected method

Renders sign-in button.

protected string renderButton ( )
return string

Button HTML.

 

                protected function renderButton()
{
    $buttonHtmlOptions = array_merge(
        [
            'class' => 'g-signin',
            'data-callback' => $this->getCallback(),
            'data-clientid' => $this->client->clientId,
            'data-cookiepolicy' => 'single_host_origin',
            'data-requestvisibleactions' => null,
            'data-scope' => $this->client->scope,
            'data-accesstype' => 'offline',
            'data-width' => 'iconOnly',
        ],
        $this->buttonHtmlOptions
    );
    return Html::tag('span', Html::tag('span', '', $buttonHtmlOptions), ['id' => 'signinButton']);
}
run() public method

Runs the widget.

public mixed run ( )

                public function run()
{
    $this->registerClientScript();
    return $this->renderButton();
}
setCallback() public method

public mixed setCallback ( string|array $callback )
$callback string|array

Callback JavaScript function name or URL config.

 

                public function setCallback($callback)
{
    $this->_callback = $callback;
}