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www.mikescher.com/www/protected/extensions/bootstrap/widgets/TbScrollspy.php
2014-05-13 14:06:18 +02:00

58 lines
1.6 KiB
PHP

<?php
/**
* TbScrollspy class file.
* @author Christoffer Niska <christoffer.niska@gmail.com>
* @copyright Copyright &copy; Christoffer Niska 2013-
* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
* @package bootstrap.widgets
*/
/**
* Bootstrap scrollspy widget.
* @see http://twitter.github.com/bootstrap/javascript.html#scrollspy
*/
class TbScrollspy extends CWidget
{
/**
* @var string the CSS selector for the scrollspy element.
*/
public $selector = 'body';
/**
* @var string the CSS selector for the spying element.
*/
public $target;
/**
* @var integer the scroll offset (in pixels).
*/
public $offset;
/**
* @var string[] $events the JavaScript event configuration (name=>handler).
*/
public $events = array();
/**
* Initializes the widget.
*/
public function init()
{
$this->attachBehavior('TbWidget', new TbWidget);
}
/**
* Runs the widget.
*/
public function run()
{
// todo: think of a better way of doing this.
$script = "jQuery('{$this->selector}').attr('data-spy', 'scroll');";
if (isset($this->target)) {
$script .= "jQuery('{$this->selector}').attr('data-target', '{$this->target}');";
}
if (isset($this->offset)) {
$script .= "jQuery('{$this->selector}').attr('data-offset', '{$this->offset}');";
}
Yii::app()->clientScript->registerScript($this->getId(), $script, CClientScript::POS_BEGIN);
$this->registerEvents($this->selector, $this->events);
}
}