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<?php
namespace SMW\MediaWiki\Hooks;
use Html;
use Page;
use SMW\DIProperty;
use SMW\DIWikiPage;
use SMW\MediaWiki\Jobs\ChangePropagationDispatchJob;
use SMW\Message;
use SMW\Store;
use Title;
/**
* @see https://www.mediawiki.org/wiki/Manual:Hooks/ArticleViewHeader
*
* @license GNU GPL v2+
* @since 3.0
*
* @author mwjames
*/
class ArticleViewHeader extends HookHandler {
/**
* @var Store
*/
private $store;
/**
* @since 3.0
*
* @param Page $page
*/
public function __construct( Store $store ) {
$this->store = $store;
}
/**
* @since 3.0
*
* @param Page $page
* @param boolean &$outputDone
* @param boolean &$useParserCache
*/
public function process( Page $page, &$outputDone, &$useParserCache ) {
$title = $page->getTitle();
$changePropagationWatchlist = array_flip(
$this->getOption( 'smwgChangePropagationWatchlist', [] )
);
// Only act when `_SUBC` is maintained as watchable property
if ( isset( $changePropagationWatchlist['_SUBC'] ) && $title->getNamespace() === NS_CATEGORY ) {
$useParserCache = $this->updateCategoryTop( $title, $page->getContext()->getOutput() );
}
return true;
}
private function updateCategoryTop( $title, $output ) {
$message = '';
$subject = DIWikiPage::newFromTitle(
$title
);
$semanticData = $this->store->getSemanticData(
$subject
);
if ( $semanticData->hasProperty( new DIProperty( DIProperty::TYPE_CHANGE_PROP ) ) ) {
$severity = $this->getOption( 'smwgChangePropagationProtection', true ) ? 'error' : 'warning';
$message .= $this->message(
$severity,
[
'smw-category-change-propagation-locked-' . $severity,
str_replace( '_', ' ', $subject->getDBKey() )
]
);
}
if ( $message === '' && ChangePropagationDispatchJob::hasPendingJobs( $subject ) ) {
$message .= $this->message(
'warning',
[
'smw-category-change-propagation-pending',
ChangePropagationDispatchJob::getPendingJobsCount( $subject )
]
);
}
$output->addHTML( $message );
// No Message means `useParserCache`otherwise refresh the output to
// display the latest update
return $message === '';
}
private function message( $type, array $message ) {
return Html::rawElement(
'div',
[
'id' => $message[0],
'class' => 'plainlinks ' . ( $type !== '' ? 'smw-callout smw-callout-'. $type : '' )
],
Message::get( $message, Message::PARSE, Message::USER_LANGUAGE )
);
}
}
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