/**
* Creates and outputs the filter control.
*
* @since 0.1
*/
protected function displayFilterControl()
{
global $wgOut, $wgExtensionCredits;
$extensionAmount = 0;
$filterSegments = array();
$extensionTypes = SpecialVersion::getExtensionTypes();
foreach ($extensionTypes as $type => $message) {
if (!array_key_exists($type, $wgExtensionCredits)) {
continue;
}
$amount = count($wgExtensionCredits[$type]);
if ($amount > 0) {
$filterSegments[] = $this->getTypeLink($type, $message, $amount);
$extensionAmount += $amount;
}
}
$all = array($this->getTypeLink('all', wfMsg('extension-type-all'), $extensionAmount));
$wgOut->addHTML(implode(' | ', array_merge($all, $filterSegments)));
}
