/**
* Combine WrappedString chunks and filter out empty ones
*
* @param array $chunks
* @return string|WrappedStringList HTML
*/
protected static function combineWrappedStrings(array $chunks)
{
// Filter out empty values
$chunks = array_filter($chunks, 'strlen');
return WrappedString::join("\n", $chunks);
}
/**
* Build html output from an array of links from makeResourceLoaderLink.
* @param array $links
* @return string HTML
*/
protected static function getHtmlFromLoaderLinks(array $links)
{
$html = array();
$states = array();
foreach ($links as $link) {
if (!is_array($link)) {
$html[] = $link;
} else {
$html = array_merge($html, $link['html']);
$states += $link['states'];
}
}
// Filter out empty values
$html = array_filter($html, 'strlen');
if (count($states)) {
array_unshift($html, ResourceLoader::makeInlineScript(ResourceLoader::makeLoaderStateScript($states)));
}
return WrappedString::join("\n", $html);
}
/**
* BeforePageDisplay hook handler.
* @param $out OutputPage
* @return bool
*/
public static function beforePageDisplay($out)
{
$repo = GadgetRepo::singleton();
$ids = $repo->getGadgetIds();
if (!$ids) {
return true;
}
$lb = new LinkBatch();
$lb->setCaller(__METHOD__);
$enabledLegacyGadgets = array();
/**
* @var $gadget Gadget
*/
$user = $out->getUser();
foreach ($ids as $id) {
$gadget = $repo->getGadget($id);
if ($gadget->isEnabled($user) && $gadget->isAllowed($user)) {
if ($gadget->hasModule()) {
$out->addModuleStyles($gadget->getModuleName());
$out->addModules($gadget->getModuleName());
}
if ($gadget->getLegacyScripts()) {
$enabledLegacyGadgets[] = $id;
}
}
}
$strings = array();
foreach ($enabledLegacyGadgets as $id) {
$strings[] = self::makeLegacyWarning($id);
}
$out->addHTML(WrappedString::join("\n", $strings));
return true;
}
