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;
use yii\base\View;
use yii\helpers\Json;
/**
* \yii\bootstrap\Widget is the base class for all bootstrap widgets.
*
* @author Antonio Ramirez <amigo.cobos@gmail.com>
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class Widget extends \yii\base\Widget
{
/**
* @var boolean whether to use the responsive version of Bootstrap.
*/
public static $responsive = true;
/**
* @var array the HTML attributes for the widget container tag.
*/
public $options = array();
/**
* @var array the options for the underlying Bootstrap JS plugin.
* Please refer to the corresponding Bootstrap plugin Web page for possible options.
* For example, [this page](http://twitter.github.io/bootstrap/javascript.html#modals) shows
* how to use the "Modal" plugin and the supported options (e.g. "remote").
*/
public $clientOptions = array();
/**
* @var array the event handlers for the underlying Bootstrap JS plugin.
* Please refer to the corresponding Bootstrap plugin Web page for possible events.
* For example, [this page](http://twitter.github.io/bootstrap/javascript.html#modals) shows
* how to use the "Modal" plugin and the supported events (e.g. "shown").
*/
public $clientEvents = array();
/**
* Initializes the widget.
* This method will register the bootstrap asset bundle. If you override this method,
* make sure you call the parent implementation first.
*/
public function init()
{
parent::init();
if (!isset($this->clientOptions['id'])) {
$this->clientOptions['id'] = $this->getId();
}
}
/**
* Registers a specific Bootstrap plugin and the related events
* @param string $name the name of the Bootstrap plugin
*/
protected function registerPlugin($name)
{
$id = $this->clientOptions['id'];
$view = $this->getView();
$view->registerAssetBundle(static::$responsive ? 'yii/bootstrap/responsive' : 'yii/bootstrap');
$view->registerAssetBundle("yii/bootstrap/$name");
if ($this->clientOptions !== false) {
$options = empty($this->clientOptions) ? '' : Json::encode($this->clientOptions);
$js = "jQuery('#$id').$name($options);";
$view->registerJs($js);
}
if (!empty($this->clientEvents)) {
$js = array();
foreach ($this->clientEvents as $event => $handler) {
$js[] = "jQuery('#$id').on('$event', $handler);";
}
$view->registerJs(implode("\n", $js));
}
}
/**
* Adds a CSS class to the specified options.
* This method will ensure that the CSS class is unique and the "class" option is properly formatted.
* @param array $options the options to be modified.
* @param string $class the CSS class to be added
*/
protected function addCssClass(&$options, $class)
{
if (isset($options['class'])) {
$classes = preg_split('/\s+/', $options['class'] . ' ' . $class, -1, PREG_SPLIT_NO_EMPTY);
$options['class'] = implode(' ', array_unique($classes));
} else {
$options['class'] = $class;
}
}
}