/**
* The init function that is called by mediawiki when loading this
* SpecialPage.
*
* @param string $urlparam the title parameter returned by Mediawiki
* which, in this case, is the page for which we want
* to perform datetime negotiation
*/
public function execute($urlparam)
{
global $wgMementoIncludeNamespaces;
$out = $this->getOutput();
$this->setHeaders();
if (!$urlparam) {
$out->addHTML(wfMessage('timegate-welcome-message')->parse());
return;
} else {
// so we can use the same framework as the rest of the
// MementoResource classes, we need an Article class
$title = Title::newFromText($urlparam);
$article = new Article($title);
$article->setContext($this->getContext());
$db = wfGetDB(DB_SLAVE);
if (!$title->exists()) {
throw new ErrorPageError('timegate-title', 'timegate-404-title', array($urlparam));
}
if (!in_array($title->getNamespace(), $wgMementoIncludeNamespaces)) {
throw new ErrorPageError('timegate-title', 'timegate-403-inaccessible', array($title));
}
$page = new TimeGateResourceFrom302TimeNegotiation($db, $article);
$page->alterHeaders();
}
}
/**
* Create an Article object of the appropriate class for the given page.
*
* @param Title $title
* @param IContextSource $context
* @return Article
*/
public static function newFromTitle($title, IContextSource $context)
{
if (NS_MEDIA == $title->getNamespace()) {
// FIXME: where should this go?
$title = Title::makeTitle(NS_FILE, $title->getDBkey());
}
$page = null;
Hooks::run('ArticleFromTitle', array(&$title, &$page, $context));
if (!$page) {
switch ($title->getNamespace()) {
case NS_FILE:
$page = new ImagePage($title);
break;
case NS_CATEGORY:
$page = new CategoryPage($title);
break;
default:
$page = new Article($title);
}
}
$page->setContext($context);
return $page;
}
