/**
* Renders the header HTML markup of the modal
*/
public function renderModalHeader()
{
echo '<div class="modal-header">' . PHP_EOL;
if ($this->closeText) {
echo TbHtml::closeButton($this->closeText, array('data-dismiss' => 'modal'));
}
echo TbHtml::tag('h3', array(), $this->header);
echo '</div>' . PHP_EOL;
}