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<?php
/**
* Implements Special:TrackingCategories
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup SpecialPage
*/
/**
* A special page that displays list of tracking categories
* Tracking categories allow pages with certain characteristics to be tracked.
* It works by adding any such page to a category automatically.
* Category is specified by the tracking category's system message.
*
* @ingroup SpecialPage
* @since 1.23
*/
class SpecialTrackingCategories extends SpecialPage {
function __construct() {
parent::__construct( 'TrackingCategories' );
}
/**
* Tracking categories that exist in core
*
* @var array
*/
private static $coreTrackingCategories = array(
'index-category',
'noindex-category',
'duplicate-args-category',
'expensive-parserfunction-category',
'post-expand-template-argument-category',
'post-expand-template-inclusion-category',
'hidden-category-category',
'broken-file-category',
'node-count-exceeded-category',
'expansion-depth-exceeded-category',
);
function execute( $par ) {
$this->setHeaders();
$this->outputHeader();
$this->getOutput()->allowClickjacking();
$this->getOutput()->addHTML(
Html::openElement( 'table', array( 'class' => 'mw-datatable',
'id' => 'mw-trackingcategories-table' ) ) . "\n" .
"<thead><tr>
<th>" .
$this->msg( 'trackingcategories-msg' )->escaped() . "
</th>
<th>" .
$this->msg( 'trackingcategories-name' )->escaped() .
"</th>
<th>" .
$this->msg( 'trackingcategories-desc' )->escaped() . "
</th>
</tr></thead>"
);
$trackingCategories = $this->prepareTrackingCategoriesData();
$batch = new LinkBatch();
foreach ( $trackingCategories as $catMsg => $data ) {
$batch->addObj( $data['msg'] );
foreach ( $data['cats'] as $catTitle ) {
$batch->addObj( $catTitle );
}
}
$batch->execute();
foreach ( $trackingCategories as $catMsg => $data ) {
$allMsgs = array();
$catDesc = $catMsg . '-desc';
$catMsgTitleText = Linker::link(
$data['msg'],
htmlspecialchars( $catMsg )
);
foreach ( $data['cats'] as $catTitle ) {
$catTitleText = Linker::link(
$catTitle,
htmlspecialchars( $catTitle->getText() )
);
$allMsgs[] = $catTitleText;
}
# Extra message, when no category was found
if ( !count( $allMsgs ) ) {
$allMsgs[] = $this->msg( 'trackingcategories-disabled' )->parse();
}
/*
* Show category description if it exists as a system message
* as category-name-desc
*/
$descMsg = $this->msg( $catDesc );
if ( $descMsg->isBlank() ) {
$descMsg = $this->msg( 'trackingcategories-nodesc' );
}
$this->getOutput()->addHTML(
Html::openElement( 'tr' ) .
Html::openElement( 'td', array( 'class' => 'mw-trackingcategories-name' ) ) .
$this->getLanguage()->commaList( array_unique( $allMsgs ) ) .
Html::closeElement( 'td' ) .
Html::openElement( 'td', array( 'class' => 'mw-trackingcategories-msg' ) ) .
$catMsgTitleText .
Html::closeElement( 'td' ) .
Html::openElement( 'td', array( 'class' => 'mw-trackingcategories-desc' ) ) .
$descMsg->parse() .
Html::closeElement( 'td' ) .
Html::closeElement( 'tr' )
);
}
$this->getOutput()->addHTML( Html::closeElement( 'table' ) );
}
/**
* Read the global and extract title objects from the corresponding messages
* @return array Array( 'msg' => Title, 'cats' => Title[] )
*/
private function prepareTrackingCategoriesData() {
$categories = array_merge(
self::$coreTrackingCategories,
ExtensionRegistry::getInstance()->getAttribute( 'TrackingCategories' ),
$this->getConfig()->get( 'TrackingCategories' ) // deprecated
);
$trackingCategories = array();
foreach ( $categories as $catMsg ) {
/*
* Check if the tracking category varies by namespace
* Otherwise only pages in the current namespace will be displayed
* If it does vary, show pages considering all namespaces
*/
$msgObj = $this->msg( $catMsg )->inContentLanguage();
$allCats = array();
$catMsgTitle = Title::makeTitleSafe( NS_MEDIAWIKI, $catMsg );
if ( !$catMsgTitle ) {
continue;
}
// Match things like {{NAMESPACE}} and {{NAMESPACENUMBER}}.
// False positives are ok, this is just an efficiency shortcut
if ( strpos( $msgObj->plain(), '{{' ) !== false ) {
$ns = MWNamespace::getValidNamespaces();
foreach ( $ns as $namesp ) {
$tempTitle = Title::makeTitleSafe( $namesp, $catMsg );
if ( !$tempTitle ) {
continue;
}
$catName = $msgObj->title( $tempTitle )->text();
# Allow tracking categories to be disabled by setting them to "-"
if ( $catName !== '-' ) {
$catTitle = Title::makeTitleSafe( NS_CATEGORY, $catName );
if ( $catTitle ) {
$allCats[] = $catTitle;
}
}
}
} else {
$catName = $msgObj->text();
# Allow tracking categories to be disabled by setting them to "-"
if ( $catName !== '-' ) {
$catTitle = Title::makeTitleSafe( NS_CATEGORY, $catName );
if ( $catTitle ) {
$allCats[] = $catTitle;
}
}
}
$trackingCategories[$catMsg] = array(
'cats' => $allCats,
'msg' => $catMsgTitle,
);
}
return $trackingCategories;
}
protected function getGroupName() {
return 'pages';
}
}
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