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<?php |
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/** |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* http://www.gnu.org/copyleft/gpl.html |
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* |
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* @file |
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* @ingroup Pager |
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*/ |
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/** |
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* @ingroup Pager |
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*/ |
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class CategoryPager extends AlphabeticPager { |
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/** |
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* @var PageLinkRenderer |
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*/ |
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protected $linkRenderer; |
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/** |
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* @param IContextSource $context |
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* @param string $from |
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* @param PageLinkRenderer $linkRenderer |
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*/ |
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public function __construct( IContextSource $context, $from, PageLinkRenderer $linkRenderer |
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) { |
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parent::__construct( $context ); |
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$from = str_replace( ' ', '_', $from ); |
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if ( $from !== '' ) { |
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$from = Title::capitalize( $from, NS_CATEGORY ); |
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$this->setOffset( $from ); |
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$this->setIncludeOffset( true ); |
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} |
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$this->linkRenderer = $linkRenderer; |
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} |
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View Code Duplication |
function getQueryInfo() { |
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return [ |
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'tables' => [ 'category' ], |
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'fields' => [ 'cat_title', 'cat_pages' ], |
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'conds' => [ 'cat_pages > 0' ], |
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'options' => [ 'USE INDEX' => 'cat_title' ], |
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]; |
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} |
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function getIndexField() { |
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return 'cat_title'; |
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} |
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function getDefaultQuery() { |
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parent::getDefaultQuery(); |
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unset( $this->mDefaultQuery['from'] ); |
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return $this->mDefaultQuery; |
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} |
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/* Override getBody to apply LinksBatch on resultset before actually outputting anything. */ |
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public function getBody() { |
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$batch = new LinkBatch; |
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$this->mResult->rewind(); |
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foreach ( $this->mResult as $row ) { |
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$batch->addObj( Title::makeTitleSafe( NS_CATEGORY, $row->cat_title ) ); |
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} |
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$batch->execute(); |
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$this->mResult->rewind(); |
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return parent::getBody(); |
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} |
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function formatRow( $result ) { |
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$title = new TitleValue( NS_CATEGORY, $result->cat_title ); |
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$text = $title->getText(); |
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$link = $this->linkRenderer->renderHtmlLink( $title, $text ); |
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$count = $this->msg( 'nmembers' )->numParams( $result->cat_pages )->escaped(); |
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return Html::rawElement( 'li', null, $this->getLanguage()->specialList( $link, $count ) ) . "\n"; |
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} |
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public function getStartForm( $from ) { |
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return Xml::tags( |
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'form', |
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[ 'method' => 'get', 'action' => wfScript() ], |
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Html::hidden( 'title', $this->getTitle()->getPrefixedText() ) . |
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Xml::fieldset( |
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$this->msg( 'categories' )->text(), |
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Xml::inputLabel( |
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$this->msg( 'categoriesfrom' )->text(), |
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'from', 'from', 20, $from, [ 'class' => 'mw-ui-input-inline' ] ) . |
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' ' . |
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Html::submitButton( |
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$this->msg( 'categories-submit' )->text(), |
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[], [ 'mw-ui-progressive' ] |
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) |
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) |
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); |
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} |
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} |
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wikimedia /
mediawiki
Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: