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 function wfSpecialListfiles( $par = null ) {
  25         global $wgOut;
  26
  27         $pager = new ImageListPager( $par );
  28
  29         $limit = $pager->getForm();
  30         $body = $pager->getBody();
  31         $nav = $pager->getNavigationBar();
  32         $wgOut->addHTML( "$limit<br />\n$body<br />\n$nav" );
  33 }
  34
  35 /**
  36  * @ingroup SpecialPage Pager
  37  */
  38 class ImageListPager extends TablePager {
  39         var $mFieldNames = null;
  40         var $mQueryConds = array();
  41         var $mUserName = null;
  42
  43         function __construct( $par = null ) {
  44                 global $wgRequest, $wgMiserMode;
  45                 if ( $wgRequest->getText( 'sort', 'img_date' ) == 'img_date' ) {
  46                         $this->mDefaultDirection = true;
  47                 } else {
  48                         $this->mDefaultDirection = false;
  49                 }
  50
  51                 $userName = $wgRequest->getText( 'user', $par );
  52                 if ( $userName ) {
  53                         $nt = Title::newFromText( $userName, NS_USER );
  54                         if ( !is_null( $nt ) ) {
  55                                 $this->mUserName = $nt->getText();
  56                                 $this->mQueryConds['img_user_text'] = $this->mUserName;
  57                         }
  58                 }
  59
  60                 $search = $wgRequest->getText( 'ilsearch' );
  61                 if ( $search != '' && !$wgMiserMode ) {
  62                         $nt = Title::newFromURL( $search );
  63                         if ( $nt ) {
  64                                 $dbr = wfGetDB( DB_SLAVE );
  65                                 $this->mQueryConds[] = 'LOWER(img_name)' . $dbr->buildLike( $dbr->anyString(),
  66                                         strtolower( $nt->getDBkey() ), $dbr->anyString() );
  67                         }
  68                 }
  69
  70                 parent::__construct();
  71         }
  72
  73         function getFieldNames() {
  74                 if ( !$this->mFieldNames ) {
  75                         global $wgMiserMode;
  76                         $this->mFieldNames = array(
  77                                 'thumb' => wfMsg( 'listfiles_thumb' ),
  78                                 'img_timestamp' => wfMsg( 'listfiles_date' ),
  79                                 'img_name' => wfMsg( 'listfiles_name' ),
  80                                 'img_user_text' => wfMsg( 'listfiles_user' ),
  81                                 'img_size' => wfMsg( 'listfiles_size' ),
  82                                 'img_description' => wfMsg( 'listfiles_description' ),
  83                         );
  84                         if( !$wgMiserMode ) {
  85                                 $this->mFieldNames['count'] = wfMsg( 'listfiles_count' );
  86                         }
  87                 }
  88                 return $this->mFieldNames;
  89         }
  90
  91         function isFieldSortable( $field ) {
  92                 static $sortable = array( 'img_timestamp', 'img_name' );
  93                 if ( $field == 'img_size' ) {
  94                         # No index for both img_size and img_user_text
  95                         return !isset( $this->mQueryConds['img_user_text'] );
  96                 }
  97                 return in_array( $field, $sortable );
  98         }
  99
 100         function getQueryInfo() {
 101                 $tables = array( 'image' );
 102                 $fields = array_keys( $this->getFieldNames() );
 103                 $fields[] = 'img_user';
 104                 $fields[array_search('thumb', $fields)] = 'img_name as thumb';
 105                 $options = $join_conds = array();
 106
 107                 # Depends on $wgMiserMode
 108                 if( isset( $this->mFieldNames['count'] ) ) {
 109                         $tables[] = 'oldimage';
 110
 111                         # Need to rewrite this one
 112                         foreach ( $fields as &$field ) {
 113                                 if ( $field == 'count' ) {
 114                                         $field = 'COUNT(oi_archive_name) as count';
 115                                 }
 116                         }
 117                         unset( $field );
 118
 119                         $dbr = wfGetDB( DB_SLAVE );
 120                         if( $dbr->implicitGroupby() ) {
 121                                 $options = array( 'GROUP BY' => 'img_name' );
 122                         } else {
 123                                 $columnlist = implode( ',', preg_grep( '/^img/', array_keys( $this->getFieldNames() ) ) );
 124                                 $options = array( 'GROUP BY' => "img_user, $columnlist" );
 125                         }
 126                         $join_conds = array( 'oldimage' => array( 'LEFT JOIN', 'oi_name = img_name' ) );
 127                 }
 128                 return array(
 129                         'tables'     => $tables,
 130                         'fields'     => $fields,
 131                         'conds'      => $this->mQueryConds,
 132                         'options'    => $options,
 133                         'join_conds' => $join_conds
 134                 );
 135         }
 136
 137         function getDefaultSort() {
 138                 return 'img_timestamp';
 139         }
 140
 141         function getStartBody() {
 142                 # Do a link batch query for user pages
 143                 if ( $this->mResult->numRows() ) {
 144                         $lb = new LinkBatch;
 145                         $this->mResult->seek( 0 );
 146                         foreach ( $this->mResult as $row ) {
 147                                 if ( $row->img_user ) {
 148                                         $lb->add( NS_USER, str_replace( ' ', '_', $row->img_user_text ) );
 149                                 }
 150                         }
 151                         $lb->execute();
 152                 }
 153
 154                 return parent::getStartBody();
 155         }
 156
 157         function formatValue( $field, $value ) {
 158                 global $wgLang;
 159                 switch ( $field ) {
 160                         case 'thumb':
 161                                 $file = wfLocalFile( $value );
 162                                 $thumb = $file->transform( array( 'width' => 180 ) );
 163                                 return $thumb->toHtml( array( 'desc-link' => true ) );
 164                         case 'img_timestamp':
 165                                 return htmlspecialchars( $wgLang->timeanddate( $value, true ) );
 166                         case 'img_name':
 167                                 static $imgfile = null;
 168                                 if ( $imgfile === null ) $imgfile = wfMsg( 'imgfile' );
 169
 170                                 $filePage = Title::makeTitle( NS_FILE, $value );
 171                                 $link = $this->getSkin()->linkKnown( $filePage, htmlspecialchars( $filePage->getText() ) );
 172                                 $image = wfLocalFile( $value );
 173                                 $url = $image->getURL();
 174                                 $download = Xml::element('a', array( 'href' => $url ), $imgfile );
 175                                 return "$link ($download)";
 176                         case 'img_user_text':
 177                                 if ( $this->mCurrentRow->img_user ) {
 178                                         $link = $this->getSkin()->link(
 179                                                 Title::makeTitle( NS_USER, $value ),
 180                                                 htmlspecialchars( $value )
 181                                         );
 182                                 } else {
 183                                         $link = htmlspecialchars( $value );
 184                                 }
 185                                 return $link;
 186                         case 'img_size':
 187                                 return $this->getSkin()->formatSize( $value );
 188                         case 'img_description':
 189                                 return $this->getSkin()->commentBlock( $value );
 190                         case 'count':
 191                                 return intval($value)+1;
 192                 }
 193         }
 194
 195         function getForm() {
 196                 global $wgRequest, $wgScript, $wgMiserMode;
 197                 $search = $wgRequest->getText( 'ilsearch' );
 198                 $inputForm = array();
 199                 $inputForm['table_pager_limit_label'] = $this->getLimitSelect();
 200                 if ( !$wgMiserMode ) {
 201                         $inputForm['listfiles_search_for'] = Html::input( 'ilsearch', $search, 'text', array(
 202                                                                 'size' => '40',
 203                                                                 'maxlength' => '255',
 204                                                                 'id' => 'mw-ilsearch',
 205                         ) );
 206                 }
 207                 $inputForm['username'] = Html::input( 'user', $this->mUserName, 'text', array(
 208                                                 'size' => '40',
 209                                                 'maxlength' => '255',
 210                                                 'id' => 'mw-listfiles-user',
 211                 ) );
 212                 $s = Html::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript, 'id' => 'mw-listfiles-form' ) ) .
 213                         Xml::fieldset( wfMsg( 'listfiles' ) ) .
 214                         Xml::buildForm( $inputForm, 'table_pager_limit_submit' ) .
 215                         $this->getHiddenFields( array( 'limit', 'ilsearch', 'user' ) ) .
 216                         Html::closeElement( 'fieldset' ) .
 217                         Html::closeElement( 'form' ) . "\n";
 218                 return $s;
 219         }
 220
 221         function getTableClass() {
 222                 return 'listfiles ' . parent::getTableClass();
 223         }
 224
 225         function getNavClass() {
 226                 return 'listfiles_nav ' . parent::getNavClass();
 227         }
 228
 229         function getSortHeaderClass() {
 230                 return 'listfiles_sort ' . parent::getSortHeaderClass();
 231         }
 232
 233         function getPagingQueries() {
 234                 $queries = parent::getPagingQueries();
 235                 if ( !is_null( $this->mUserName ) ) {
 236                         # Append the username to the query string
 237                         foreach ( $queries as &$query ) {
 238                                 $query['user'] = $this->mUserName;
 239                         }
 240                 }
 241                 return $queries;
 242         }
 243
 244         function getDefaultQuery() {
 245                 $queries = parent::getDefaultQuery();
 246                 if ( !isset( $queries['user'] )
 247                         && !is_null( $this->mUserName ) )
 248                 {
 249                         $queries['user'] = $this->mUserName;
 250                 }
 251                 return $queries;
 252         }
 253 }