Support offsets in prefix searching
[mediawiki.git] / includes / specials / SpecialWithoutinterwiki.php
blobbd01461395aa82e0911b2903e1058f194d362dac
1 <?php
2 /**
3 * Implements Special:Withoutinterwiki
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
20 * @file
21 * @ingroup SpecialPage
22 * @author Rob Church <robchur@gmail.com>
25 /**
26 * Special page lists pages without language links
28 * @ingroup SpecialPage
30 class WithoutInterwikiPage extends PageQueryPage {
31 private $prefix = '';
33 function __construct( $name = 'Withoutinterwiki' ) {
34 parent::__construct( $name );
37 function execute( $par ) {
38 $this->prefix = Title::capitalize(
39 $this->getRequest()->getVal( 'prefix', $par ), NS_MAIN );
40 parent::execute( $par );
43 function getPageHeader() {
44 # Do not show useless input form if special page is cached
45 if ( $this->isCached() ) {
46 return '';
49 $prefix = $this->prefix;
50 $t = $this->getPageTitle();
52 return Html::openElement( 'form', array( 'method' => 'get', 'action' => wfScript() ) ) . "\n" .
53 Html::openElement( 'fieldset' ) . "\n" .
54 Html::element( 'legend', null, $this->msg( 'withoutinterwiki-legend' )->text() ) . "\n" .
55 Html::hidden( 'title', $t->getPrefixedText() ) . "\n" .
56 Xml::inputLabel(
57 $this->msg( 'allpagesprefix' )->text(),
58 'prefix',
59 'wiprefix',
60 20,
61 $prefix
62 ) . "\n" .
63 Xml::submitButton( $this->msg( 'withoutinterwiki-submit' )->text() ) . "\n" .
64 Html::closeElement( 'fieldset' ) . "\n" .
65 Html::closeElement( 'form' );
68 function sortDescending() {
69 return false;
72 function getOrderFields() {
73 return array( 'page_namespace', 'page_title' );
76 function isExpensive() {
77 return true;
80 function isSyndicated() {
81 return false;
84 function getQueryInfo() {
85 $query = array(
86 'tables' => array( 'page', 'langlinks' ),
87 'fields' => array(
88 'namespace' => 'page_namespace',
89 'title' => 'page_title',
90 'value' => 'page_title'
92 'conds' => array(
93 'll_title IS NULL',
94 'page_namespace' => MWNamespace::getContentNamespaces(),
95 'page_is_redirect' => 0
97 'join_conds' => array( 'langlinks' => array( 'LEFT JOIN', 'll_from = page_id' ) )
99 if ( $this->prefix ) {
100 $dbr = wfGetDB( DB_SLAVE );
101 $query['conds'][] = 'page_title ' . $dbr->buildLike( $this->prefix, $dbr->anyString() );
104 return $query;
107 protected function getGroupName() {
108 return 'maintenance';