function getSubcategorySection()
{
global $wgOut, $wgRequest, $wgCookiePrefix, $wgCategoryTreeCategoryPageMode;
if ($wgRequest->getCheck('notree')) {
return parent::getSubcategorySection();
}
if ($GLOBALS['wgCategoryTreeUnifiedView']) {
return parent::getSubcategorySection();
}
if (count($this->children) == 0) {
return '';
}
$r = '<h2>' . wfMsg('subcategories') . "</h2>\n" . wfMsgExt('subcategorycount', array('parse'), count($this->children));
# Use a cookie to save the user's last selection, so that AJAX doesn't
# keep coming back to haunt them.
#
# FIXME: This doesn't work very well with IMS handling in
# OutputPage::checkLastModified, because when the cookie changes, the
# category pages are not, at present, invalidated.
$cookieName = $wgCookiePrefix . 'ShowSubcatAs';
$cookieVal = @$_COOKIE[$cookieName];
$reqShowAs = $wgRequest->getVal('showas');
if ($reqShowAs == 'list') {
$showAs = 'list';
} elseif ($reqShowAs == 'tree') {
$showAs = 'tree';
} elseif ($cookieVal == 'list' || $cookieVal == 'tree') {
$showAs = $cookieVal;
} else {
$showAs = 'tree';
}
if (!is_null($reqShowAs)) {
global $wgCookieExpiration, $wgCookiePath, $wgCookieDomain, $wgCookieSecure;
$exp = time() + $wgCookieExpiration;
setcookie($cookieName, $showAs, $exp, $wgCookiePath, $wgCookieDomain, $wgCookieSecure);
}
if ($showAs == 'tree' && count($this->children) > $this->limit) {
# Tree doesn't page properly
$showAs = 'list';
$r .= self::msg('too-many-subcats');
} else {
$sk = $this->getSkin();
$r .= '<p>' . $this->makeShowAsLink('tree', $showAs) . ' | ' . $this->makeShowAsLink('list', $showAs) . '</p>';
}
if ($showAs == 'list') {
$r .= $this->formatList($this->children, $this->children_start_char);
} else {
CategoryTree::setHeaders($wgOut);
$ct = new CategoryTree();
foreach ($this->child_titles as $title) {
$r .= $ct->renderNode($title, $wgCategoryTreeCategoryPageMode);
}
}
return $r;
}
