Yii2 Bootstrap 3
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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\bootstrap;
use yii\base\InvalidConfigException;
use yii\helpers\Html;
/**
* Button renders a bootstrap button.
*
* For example,
*
* ```php
* echo Button::widget(array(
* 'label' => 'Action',
* 'options' => array('class' => 'btn-large'),
* ));
* ```
* @see http://twitter.github.io/bootstrap/javascript.html#buttons
* @author Antonio Ramirez <amigo.cobos@gmail.com>
* @since 2.0
*/
class Button extends Widget
{
/**
* @var string the tag to use to render the button
*/
public $tagName = 'button';
/**
* @var string the button label
*/
public $label;
/**
* @var boolean whether the label should be HTML-encoded.
*/
public $encodeLabel = true;
/**
* Initializes the widget.
* If you override this method, make sure you call the parent implementation first.
* @throws InvalidConfigException
*/
public function init()
{
if ($this->label === null) {
throw new InvalidConfigException("The 'label' option is required.");
}
parent::init();
$this->clientOptions = false;
$this->addCssClass($this->options, 'btn');
$this->label = $this->encodeLabel ? Html::encode($this->label) : $this->label;
}
/**
* Renders the widget.
*/
public function run()
{
echo Html::tag($this->tagName, $this->label, $this->options) . "\n";
$this->registerPlugin('button');
}
}