/**
* Servicelinks are special kinds of infolinks that are created from
* current parameters and in-wiki specification of URL templates. This
* method adds the current property's servicelinks found in the
* messages. The number and content of the parameters is depending on
* the datatype, and the service link message is usually crafted with a
* particular datatype in mind.
*/
public function addServiceLinks()
{
if ($this->mHasServiceLinks) {
return;
}
if (!is_null($this->m_property)) {
$propertyDiWikiPage = $this->m_property->getDiWikiPage();
}
if (is_null($this->m_property) || is_null($propertyDiWikiPage)) {
return;
// no property known, or not associated with a page
}
$args = $this->getServiceLinkParams();
if ($args === false) {
return;
// no services supported
}
array_unshift($args, '');
// add a 0 element as placeholder
$servicelinks = \SMW\StoreFactory::getStore()->getPropertyValues($propertyDiWikiPage, new SMWDIProperty('_SERV'));
foreach ($servicelinks as $dataItem) {
if (!$dataItem instanceof SMWDIBlob) {
continue;
}
$args[0] = 'smw_service_' . str_replace(' ', '_', $dataItem->getString());
// messages distinguish ' ' from '_'
// @todo FIXME: Use wfMessage/Message class here.
$text = call_user_func_array('wfMsgForContent', $args);
$links = preg_split("/[\n][\\s]?/u", $text);
foreach ($links as $link) {
$linkdat = explode('|', $link, 2);
if (count($linkdat) == 2) {
$this->addInfolink(SMWInfolink::newExternalLink($linkdat[0], trim($linkdat[1])));
}
}
}
$this->mHasServiceLinks = true;
}
