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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\helpers\Html;
/**
* NavBar renders a navbar HTML component.
*
* Any content enclosed between the [[begin()]] and [[end()]] calls of NavBar
* is treated as the content of the navbar. You may use widgets such as [[Nav]]
* or [[\yii\widgets\Menu]] to build up such content. For example,
*
* ```php
* use yii\bootstrap\NavBar;
* use yii\widgets\Menu;
*
* NavBar::begin(array('brandLabel' => 'NavBar Test'));
* echo Nav::widget(array(
* 'items' => array(
* array('label' => 'Home', 'url' => array('/site/index')),
* array('label' => 'About', 'url' => array('/site/about')),
* ),
* ));
* NavBar::end();
* ```
*
* @see http://twitter.github.io/bootstrap/components.html#navbar
* @author Antonio Ramirez <amigo.cobos@gmail.com>
* @since 2.0
*/
class NavBar extends Widget
{
/**
* @var boolean whether to enable a collapsing responsive navbar.
*/
public $responsive = true;
/**
* @var string the text of the brand.
* @see http://twitter.github.io/bootstrap/components.html#navbar
*/
public $brandLabel;
/**
* @param array|string $url the URL for the brand's hyperlink tag. This parameter will be processed by [[Html::url()]]
* and will be used for the "href" attribute of the brand link. Defaults to site root.
*/
public $brandUrl = '/';
/**
* @var array the HTML attributes of the brand link.
*/
public $brandOptions = array();
/**
* Initializes the widget.
*/
public function init()
{
parent::init();
$this->clientOptions = false;
Html::addCssClass($this->options, 'navbar');
Html::addCssClass($this->brandOptions, 'navbar-brand');
echo Html::beginTag('div', $this->options);
if ($this->responsive) {
echo Html::beginTag('div', array('class' => 'container'));
echo $this->renderToggleButton();
echo Html::beginTag('div', array('class' => 'nav-collapse collapse navbar-responsive-collapse'));
}
if ($this->brandLabel !== null) {
echo Html::a($this->brandLabel, $this->brandUrl, $this->brandOptions);
}
}
/**
* Renders the widget.
*/
public function run()
{
if ($this->responsive) {
echo Html::endTag('div');
echo Html::endTag('div');
}
echo Html::endTag('div');
BootstrapPluginAsset::register($this->getView());
}
/**
* Renders collapsible toggle button.
* @return string the rendering toggle button.
*/
protected function renderToggleButton()
{
$bar = Html::tag('span', '', array('class' => 'icon-bar'));
return Html::button("{$bar}\n{$bar}\n{$bar}", array(
'class' => 'navbar-toggle',
'data-toggle' => 'collapse',
'data-target' => '.navbar-responsive-collapse',
));
}
}