public function drawChart($params)
{
static $chartDrawn;
$result = '';
if (!$chartDrawn) {
$result .= '<style type="text/css">@import url("' . $this->getInternalCSSURL('/common/css/chart.css') . '");</style>';
$result .= '<script type="text/javascript" src="' . $this->getInternalJavascriptURL('/common/javascript/chart.js') . '"></script>';
$chartDrawn = true;
}
$result .= KurogoChart::drawChart($params);
return $result;
}
public function init($params)
{
parent::init($params);
}
