Class yii\bootstrap4\Button

All Classes | Properties | Methods

Inheritance	yii\bootstrap4\Button » yii\bootstrap4\Widget » yii\base\Widget
Uses Traits	yii\bootstrap4\BootstrapWidgetTrait
Source Code	https://github.com/yiisoft/yii2-bootstrap4/blob/master/src/Button.php

Button renders a bootstrap button.

For example,

echo Button::widget([
    'label' => 'Action',
    'options' => ['class' => 'btn-lg'],
]);

Public Properties

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Property	Type	Description	Defined By
$clientEvents	array	The event handlers for the underlying Bootstrap JS plugin.	yii\bootstrap4\BootstrapWidgetTrait
$clientOptions	array	The options for the underlying Bootstrap JS plugin.	yii\bootstrap4\BootstrapWidgetTrait
$encodeLabel	boolean	Whether the label should be HTML-encoded.	yii\bootstrap4\Button
$label	string	The button label	yii\bootstrap4\Button
$options	array	The HTML attributes for the widget container tag.	yii\bootstrap4\Widget
$tagName	string	The tag to use to render the button	yii\bootstrap4\Button

Public Methods

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Method	Description	Defined By
getView()		yii\bootstrap4\BootstrapWidgetTrait
init()	Initializes the widget.	yii\bootstrap4\Button
run()		yii\bootstrap4\Button

Protected Methods

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Method	Description	Defined By
registerClientEvents()	Registers JS event handlers that are listed in $clientEvents.	yii\bootstrap4\BootstrapWidgetTrait
registerPlugin()	Registers a specific Bootstrap plugin and the related events	yii\bootstrap4\BootstrapWidgetTrait

Property Details

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$encodeLabel public property

Whether the label should be HTML-encoded.

public boolean $encodeLabel = true

$label public property

The button label

public string $label = 'Button'

$tagName public property

The tag to use to render the button

public string $tagName = 'button'

Method Details

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getView() public abstract method

Defined in: yii\bootstrap4\BootstrapWidgetTrait::getView()

See also \yii\base\Widget::getView().

public abstract \yii\web\View getView ( )
return	\yii\web\View	The view object that can be used to render views or view files.

Source code

                abstract function getView();

init() public method

Initializes the widget.

If you override this method, make sure you call the parent implementation first.

public void init ( )

Source code

                public function init()
{
    parent::init();
    $this->clientOptions = false;
    Html::addCssClass($this->options, ['widget' => 'btn']);
}

registerClientEvents() protected method

Defined in: yii\bootstrap4\BootstrapWidgetTrait::registerClientEvents()

Registers JS event handlers that are listed in $clientEvents.

protected void registerClientEvents ( )

Source code

                protected function registerClientEvents()
{
    if (!empty($this->clientEvents)) {
        $id = $this->options['id'];
        $js = [];
        foreach ($this->clientEvents as $event => $handler) {
            $js[] = "jQuery('#$id').on('$event', $handler);";
        }
        $this->getView()->registerJs(implode("\n", $js));
    }
}

registerPlugin() protected method

Defined in: yii\bootstrap4\BootstrapWidgetTrait::registerPlugin()

Registers a specific Bootstrap plugin and the related events

protected void registerPlugin ( $name )
$name	string	The name of the Bootstrap plugin

Source code

                protected function registerPlugin($name)
{
    $view = $this->getView();
    BootstrapPluginAsset::register($view);
    $id = $this->options['id'];
    if ($this->clientOptions !== false) {
        $options = empty($this->clientOptions) ? '' : Json::htmlEncode($this->clientOptions);
        $js = "jQuery('#$id').$name($options);";
        $view->registerJs($js);
    }
    $this->registerClientEvents();
}

run() public method

public void run ( )

Source code

                public function run()
{
    $this->registerPlugin('button');
    return Html::tag($this->tagName, $this->encodeLabel ? Html::encode($this->label) : $this->label,
        $this->options);
}