/**
* Main method.
*
* @since 0.1
*
* @param string $subPage
*/
public function execute($subPage)
{
parent::execute($subPage);
$out = $this->getOutput();
if (trim($subPage) === '') {
$this->getOutput()->redirect(SpecialPage::getTitleFor('Courses')->getLocalURL());
} else {
$out->setPageTitle(wfMsgExt('ep-course-title', 'parsemag', $this->subPage));
$course = EPCourse::selectRow(null, array('name' => $this->subPage));
if ($course === false) {
$this->displayNavigation();
if ($this->getUser()->isAllowed('ep-course')) {
$out->addWikiMsg('ep-course-create', $this->subPage);
EPCourse::displayAddNewRegion($this->getContext(), array('name' => $this->subPage));
} else {
$out->addWikiMsg('ep-course-none', $this->subPage);
}
} else {
$links = array();
if ($this->getUser()->isAllowed('ep-course')) {
$links[wfMsg('ep-course-nav-edit')] = SpecialPage::getTitleFor('EditCourse', $this->subPage);
}
$this->displayNavigation($links);
$this->displaySummary($course);
$out->addHTML(Html::element('h2', array(), wfMsg('ep-course-description')));
$out->addHTML($this->getOutput()->parse($course->getField('description')));
$out->addHTML(Html::element('h2', array(), wfMsg('ep-course-terms')));
EPTerm::displayPager($this->getContext(), array('course_id' => $course->getId()));
if ($this->getUser()->isAllowed('ep-course')) {
$out->addHTML(Html::element('h2', array(), wfMsg('ep-course-add-term')));
EPTerm::displayAddNewControl($this->getContext(), array('course' => $course->getId()));
}
}
}
}
/**
* Adds a control to add a new term to the provided context
* or show a message if this is not possible for some reason.
*
* @since 0.1
*
* @param IContextSource $context
* @param array $args
*/
public static function displayAddNewRegion(IContextSource $context, array $args = array())
{
if (EPCourse::has()) {
EPTerm::displayAddNewControl($context, $args);
} elseif ($context->getUser()->isAllowed('ep-course')) {
$context->getOutput()->addWikiMsg('ep-terms-addcoursefirst');
}
}
