includes/specials/SpecialListfiles.php

   1 <?php
   2 /**
   3  * Implements Special:Listfiles
   4  *
   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.
   9  *
  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.
  14  *
  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
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  */
  23
  24 class SpecialListFiles extends IncludableSpecialPage {
  25
  26         public function __construct(){
  27                 parent::__construct( 'Listfiles' );
  28         }
  29
  30         public function execute( $par ){
  31                 $this->setHeaders();
  32                 $this->outputHeader();
  33
  34                 if ( $this->including() ) {
  35                         $userName = $par;
  36                         $search = '';
  37                 } else {
  38                         $userName = $this->getRequest()->getText( 'user', $par );
  39                         $search = $this->getRequest()->getText( 'ilsearch', '' );
  40                 }
  41
  42                 $pager = new ImageListPager( $this->getContext(), $userName, $search, $this->including() );
  43
  44                 if ( $this->including() ) {
  45                         $html = $pager->getBody();
  46                 } else {
  47                         $form = $pager->getForm();
  48                         $body = $pager->getBody();
  49                         $nav = $pager->getNavigationBar();
  50                         $html = "$form<br />\n$body<br />\n$nav";
  51                 }
  52                 $this->getOutput()->addHTML( $html );
  53         }
  54 }
  55
  56 /**
  57  * @ingroup SpecialPage Pager
  58  */
  59 class ImageListPager extends TablePager {
  60         var $mFieldNames = null;
  61         var $mQueryConds = array();
  62         var $mUserName = null;
  63         var $mSearch = '';
  64         var $mIncluding = false;
  65
  66         function __construct( IContextSource $context, $userName = null, $search = '', $including = false ) {
  67                 global $wgMiserMode;
  68
  69                 $this->mIncluding = $including;
  70
  71                 if ( $userName ) {
  72                         $nt = Title::newFromText( $userName, NS_USER );
  73                         if ( !is_null( $nt ) ) {
  74                                 $this->mUserName = $nt->getText();
  75                                 $this->mQueryConds['img_user_text'] = $this->mUserName;
  76                         }
  77                 }
  78
  79                 if ( $search != '' && !$wgMiserMode ) {
  80                         $this->mSearch = $search;
  81                         $nt = Title::newFromURL( $this->mSearch );
  82                         if ( $nt ) {
  83                                 $dbr = wfGetDB( DB_SLAVE );
  84                                 $this->mQueryConds[] = 'LOWER(img_name)' .
  85                                         $dbr->buildLike( $dbr->anyString(),
  86                                                 strtolower( $nt->getDBkey() ), $dbr->anyString() );
  87                         }
  88                 }
  89
  90                 if ( !$including ) {
  91                         if ( $context->getRequest()->getText( 'sort', 'img_date' ) == 'img_date' ) {
  92                                 $this->mDefaultDirection = true;
  93                         } else {
  94                                 $this->mDefaultDirection = false;
  95                         }
  96                 } else {
  97                         $this->mDefaultDirection = true;
  98                 }
  99
 100                 parent::__construct( $context );
 101         }
 102
 103         /**
 104          * @return Array
 105          */
 106         function getFieldNames() {
 107                 if ( !$this->mFieldNames ) {
 108                         global $wgMiserMode;
 109                         $this->mFieldNames = array(
 110                                 'img_timestamp' => $this->msg( 'listfiles_date' )->text(),
 111                                 'img_name' => $this->msg( 'listfiles_name' )->text(),
 112                                 'thumb' => $this->msg( 'listfiles_thumb' )->text(),
 113                                 'img_size' => $this->msg( 'listfiles_size' )->text(),
 114                                 'img_user_text' => $this->msg( 'listfiles_user' )->text(),
 115                                 'img_description' => $this->msg( 'listfiles_description' )->text(),
 116                         );
 117                         if( !$wgMiserMode ) {
 118                                 $this->mFieldNames['count'] = $this->msg( 'listfiles_count' )->text();
 119                         }
 120                 }
 121                 return $this->mFieldNames;
 122         }
 123
 124         function isFieldSortable( $field ) {
 125                 if ( $this->mIncluding ) {
 126                         return false;
 127                 }
 128                 static $sortable = array( 'img_timestamp', 'img_name' );
 129                 if ( $field == 'img_size' ) {
 130                         # No index for both img_size and img_user_text
 131                         return !isset( $this->mQueryConds['img_user_text'] );
 132                 }
 133                 return in_array( $field, $sortable );
 134         }
 135
 136         function getQueryInfo() {
 137                 $tables = array( 'image' );
 138                 $fields = array_keys( $this->getFieldNames() );
 139                 $fields[] = 'img_user';
 140                 $fields[array_search('thumb', $fields)] = 'img_name AS thumb';
 141                 $options = $join_conds = array();
 142
 143                 # Depends on $wgMiserMode
 144                 if( isset( $this->mFieldNames['count'] ) ) {
 145                         $tables[] = 'oldimage';
 146
 147                         # Need to rewrite this one
 148                         foreach ( $fields as &$field ) {
 149                                 if ( $field == 'count' ) {
 150                                         $field = 'COUNT(oi_archive_name) AS count';
 151                                 }
 152                         }
 153                         unset( $field );
 154
 155                         $dbr = wfGetDB( DB_SLAVE );
 156                         if( $dbr->implicitGroupby() ) {
 157                                 $options = array( 'GROUP BY' => 'img_name' );
 158                         } else {
 159                                 $columnlist = preg_grep( '/^img/', array_keys( $this->getFieldNames() ) );
 160                                 $options = array( 'GROUP BY' => array_merge( array( 'img_user' ), $columnlist ) );
 161                         }
 162                         $join_conds = array( 'oldimage' => array( 'LEFT JOIN', 'oi_name = img_name' ) );
 163                 }
 164                 return array(
 165                         'tables'     => $tables,
 166                         'fields'     => $fields,
 167                         'conds'      => $this->mQueryConds,
 168                         'options'    => $options,
 169                         'join_conds' => $join_conds
 170                 );
 171         }
 172
 173         function getDefaultSort() {
 174                 return 'img_timestamp';
 175         }
 176
 177         function doBatchLookups() {
 178                 $userIds = array();
 179                 $this->mResult->seek( 0 );
 180                 foreach ( $this->mResult as $row ) {
 181                         $userIds[] = $row->img_user;
 182                 }
 183                 # Do a link batch query for names and userpages
 184                 UserCache::singleton()->doQuery( $userIds, array( 'userpage' ), __METHOD__ );
 185         }
 186
 187         function formatValue( $field, $value ) {
 188                 switch ( $field ) {
 189                         case 'thumb':
 190                                 $file = wfLocalFile( $value );
 191                                 $thumb = $file->transform( array( 'width' => 180, 'height' => 360 ) );
 192                                 return $thumb->toHtml( array( 'desc-link' => true ) );
 193                         case 'img_timestamp':
 194                                 return htmlspecialchars( $this->getLanguage()->userTimeAndDate( $value, $this->getUser() ) );
 195                         case 'img_name':
 196                                 static $imgfile = null;
 197                                 if ( $imgfile === null ) $imgfile = $this->msg( 'imgfile' )->text();
 198
 199                                 // Weird files can maybe exist? Bug 22227
 200                                 $filePage = Title::makeTitleSafe( NS_FILE, $value );
 201                                 if( $filePage ) {
 202                                         $link = Linker::linkKnown( $filePage, htmlspecialchars( $filePage->getText() ) );
 203                                         $download = Xml::element( 'a',
 204                                                 array( 'href' => wfLocalFile( $filePage )->getURL() ),
 205                                                 $imgfile
 206                                         );
 207                                         $download = $this->msg( 'parentheses' )->rawParams( $download )->escaped();
 208                                         return "$link $download";
 209                                 } else {
 210                                         return htmlspecialchars( $value );
 211                                 }
 212                         case 'img_user_text':
 213                                 if ( $this->mCurrentRow->img_user ) {
 214                                         $name = User::whoIs( $this->mCurrentRow->img_user );
 215                                         $link = Linker::link(
 216                                                 Title::makeTitle( NS_USER, $name ),
 217                                                 htmlspecialchars( $name )
 218                                         );
 219                                 } else {
 220                                         $link = htmlspecialchars( $value );
 221                                 }
 222                                 return $link;
 223                         case 'img_size':
 224                                 return htmlspecialchars( $this->getLanguage()->formatSize( $value ) );
 225                         case 'img_description':
 226                                 return Linker::commentBlock( $value );
 227                         case 'count':
 228                                 return intval( $value ) + 1;
 229                 }
 230         }
 231
 232         function getForm() {
 233                 global $wgScript, $wgMiserMode;
 234                 $inputForm = array();
 235                 $inputForm['table_pager_limit_label'] = $this->getLimitSelect();
 236                 if ( !$wgMiserMode ) {
 237                         $inputForm['listfiles_search_for'] = Html::input( 'ilsearch', $this->mSearch, 'text',
 238                                 array(
 239                                         'size'          => '40',
 240                                         'maxlength' => '255',
 241                                         'id'            => 'mw-ilsearch',
 242                         ) );
 243                 }
 244                 $inputForm['username'] = Html::input( 'user', $this->mUserName, 'text', array(
 245                         'size'          => '40',
 246                         'maxlength' => '255',
 247                         'id'            => 'mw-listfiles-user',
 248                 ) );
 249                 return Html::openElement( 'form',
 250                                 array( 'method' => 'get', 'action' => $wgScript, 'id' => 'mw-listfiles-form' ) ) .
 251                         Xml::fieldset( $this->msg( 'listfiles' )->text() ) .
 252                         Html::hidden( 'title', $this->getTitle()->getPrefixedText() ) .
 253                         Xml::buildForm( $inputForm, 'table_pager_limit_submit' ) .
 254                         $this->getHiddenFields( array( 'limit', 'ilsearch', 'user', 'title' ) ) .
 255                         Html::closeElement( 'fieldset' ) .
 256                         Html::closeElement( 'form' ) . "\n";
 257         }
 258
 259         function getTableClass() {
 260                 return 'listfiles ' . parent::getTableClass();
 261         }
 262
 263         function getNavClass() {
 264                 return 'listfiles_nav ' . parent::getNavClass();
 265         }
 266
 267         function getSortHeaderClass() {
 268                 return 'listfiles_sort ' . parent::getSortHeaderClass();
 269         }
 270
 271         function getPagingQueries() {
 272                 $queries = parent::getPagingQueries();
 273                 if ( !is_null( $this->mUserName ) ) {
 274                         # Append the username to the query string
 275                         foreach ( $queries as &$query ) {
 276                                 $query['user'] = $this->mUserName;
 277                         }
 278                 }
 279                 return $queries;
 280         }
 281
 282         function getDefaultQuery() {
 283                 $queries = parent::getDefaultQuery();
 284                 if ( !isset( $queries['user'] ) && !is_null( $this->mUserName ) ) {
 285                         $queries['user'] = $this->mUserName;
 286                 }
 287                 return $queries;
 288         }
 289
 290         function getTitle() {
 291                 return SpecialPage::getTitleFor( 'Listfiles' );
 292         }
 293 }