138 lines
3.8 KiB
PHP
138 lines
3.8 KiB
PHP
<?php
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/**
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* Implements Special:Categories
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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 SpecialPage
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*/
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/**
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* @ingroup SpecialPage
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*/
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class SpecialCategories extends SpecialPage {
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function __construct() {
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parent::__construct( 'Categories' );
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}
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function execute( $par ) {
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global $wgOut, $wgRequest;
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$this->setHeaders();
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$this->outputHeader();
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$wgOut->allowClickjacking();
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$from = $wgRequest->getText( 'from', $par );
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$cap = new CategoryPager( $from );
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$cap->doQuery();
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$wgOut->addHTML(
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Html::openElement( 'div', array( 'class' => 'mw-spcontent' ) ) .
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wfMsgExt( 'categoriespagetext', array( 'parse' ), $cap->getNumRows() ) .
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$cap->getStartForm( $from ) .
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$cap->getNavigationBar() .
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'<ul>' . $cap->getBody() . '</ul>' .
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$cap->getNavigationBar() .
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Html::closeElement( 'div' )
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);
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}
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}
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/**
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* TODO: Allow sorting by count. We need to have a unique index to do this
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* properly.
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*
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* @ingroup SpecialPage Pager
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*/
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class CategoryPager extends AlphabeticPager {
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function __construct( $from ) {
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parent::__construct();
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$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->mOffset = $from;
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}
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}
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function getQueryInfo() {
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return array(
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'tables' => array( 'category' ),
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'fields' => array( 'cat_title','cat_pages' ),
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'conds' => array( 'cat_pages > 0' ),
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'options' => array( 'USE INDEX' => 'cat_title' ),
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);
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}
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function getIndexField() {
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# return array( 'abc' => 'cat_title', 'count' => 'cat_pages' );
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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 $this->mDefaultQuery;
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}
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# protected function getOrderTypeMessages() {
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# return array( 'abc' => 'special-categories-sort-abc',
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# 'count' => 'special-categories-sort-count' );
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# }
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protected function getDefaultDirections() {
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# return array( 'abc' => false, 'count' => true );
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return false;
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}
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/* Override getBody to apply LinksBatch on resultset before actually outputting anything. */
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public function getBody() {
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$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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global $wgLang;
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$title = Title::makeTitle( NS_CATEGORY, $result->cat_title );
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$titleText = $this->getSkin()->link( $title, htmlspecialchars( $title->getText() ) );
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$count = wfMsgExt( 'nmembers', array( 'parsemag', 'escape' ),
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$wgLang->formatNum( $result->cat_pages ) );
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return Xml::tags('li', null, "$titleText ($count)" ) . "\n";
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}
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public function getStartForm( $from ) {
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global $wgScript;
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$t = SpecialPage::getTitleFor( 'Categories' );
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return
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Xml::tags( 'form', array( 'method' => 'get', 'action' => $wgScript ),
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Html::hidden( 'title', $t->getPrefixedText() ) .
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Xml::fieldset( wfMsg( 'categories' ),
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Xml::inputLabel( wfMsg( 'categoriesfrom' ),
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'from', 'from', 20, $from ) .
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' ' .
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Xml::submitButton( wfMsg( 'allpagessubmit' ) ) ) );
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}
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}
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