includes/SpecialAllpages.php

   1 <?php
   2 /**
   3  *
   4  * @package MediaWiki
   5  * @subpackage SpecialPage
   6  */
   7
   8 /**
   9  *
  10  */
  11 function wfSpecialAllpages( $par=NULL ) {
  12         global $indexMaxperpage, $toplevelMaxperpage, $wgRequest, $wgOut, $wgContLang;
  13         $indexMaxperpage = 480;
  14         $toplevelMaxperpage = 50;
  15         $from = $wgRequest->getVal( 'from' );
  16         $namespace = $wgRequest->getInt( 'namespace' );
  17         $names = $wgContLang->getNamespaces();
  18         if( !isset( $names[$namespace] ) ) {
  19                 $namespace = 0;
  20         }
  21         $wgOut->setPagetitle ( $namespace > 0 ? wfMsg ( 'allpagesnamespace', $names[$namespace] )
  22                                               : wfMsg ( 'allarticles' ) );
  23
  24         if ( $par ) {
  25                 indexShowChunk( $par, $namespace );
  26         } elseif ( $from ) {
  27                 indexShowChunk( $from, $namespace );
  28         } else {
  29                 indexShowToplevel ( $namespace );
  30         }
  31 }
  32
  33 function namespaceForm ( $namespace = 0, $from = '' ) {
  34         global $wgContLang, $wgScript;
  35
  36         $t = Title::makeTitle( NS_SPECIAL, "Allpages" );
  37
  38         $namespaceselect = '<select name="namespace">';
  39         $arr = $wgContLang->getNamespaces();
  40         for ( $i = 0; $i < 14; $i++ ) {
  41                 $namespacename = str_replace ( "_", " ", $arr[$i] );
  42                 $n = ($i == 0) ? wfMsg ( 'articlenamespace' ) : $namespacename;
  43                 $sel = ($i == $namespace) ? ' selected="selected"' : '';
  44                 $namespaceselect .= "<option value='{$i}'{$sel}>{$n}</option>";
  45         }
  46         $namespaceselect .= '</select>';
  47
  48         $frombox = '<input type="text" size="20" name="from" value="'
  49                     . htmlspecialchars ( $from ) . '"/>';
  50         $submitbutton = '<input type="submit" value="' . wfMsg( 'allpagessubmit' ) . '" />';
  51
  52         $out = "<div class='namespaceselector'><form method='get' action='{$wgScript}'>";
  53         $out .= '<input type="hidden" name="title" value="'.$t->getPrefixedText().'" />';
  54         $out .= wfMsg ( 'allpagesformtext1', $frombox ) . '<br />';
  55         $out .= wfMsg ( 'allpagesformtext2', $namespaceselect, $submitbutton );
  56         $out .= '</form></div>';
  57         return $out;
  58 }
  59
  60 function indexShowToplevel ( $namespace = 0 ) {
  61         global $wgOut, $indexMaxperpage, $toplevelMaxperpage, $wgContLang, $wgRequest, $wgUser;
  62         $sk = $wgUser->getSkin();
  63         $fname = "indexShowToplevel";
  64         $namespace = intval ($namespace);
  65
  66         # TODO: Either make this *much* faster or cache the title index points
  67         # in the querycache table.
  68
  69         $dbr =& wfGetDB( DB_SLAVE );
  70         $cur = $dbr->tableName( 'cur' );
  71         $fromwhere = "FROM $cur WHERE cur_namespace=$namespace";
  72         $order_arr = array ( 'ORDER BY' => 'cur_title' );
  73         $order_str = 'ORDER BY cur_title';
  74         $out = "";
  75         $where = array( 'cur_namespace' => $namespace );
  76
  77         $count = $dbr->selectField( 'cur', 'COUNT(*)', $where, $fname );
  78         $sections = ceil( $count / $indexMaxperpage );
  79
  80         if ( $sections < 3 ) {
  81                 # If there are only two or less sections, don't even display them.
  82                 # Instead, display the first section directly.
  83                 indexShowChunk( '', $namespace );
  84                 return;
  85         }
  86
  87         # We want to display $toplevelMaxperpage lines starting at $offset.
  88         # NOTICE: $offset starts at 0
  89         $offset = intval ( $wgRequest->getVal( 'offset' ) );
  90         if ( $offset < 0 ) { $offset = 0; }
  91         if ( $offset >= $sections ) { $offset = $sections - 1; }
  92
  93         # Where to stop? Notice that this can take the value of $sections, but $offset can't, because if
  94         # we're displaying only the very last section, we still need two DB queries to find the titles
  95         $stopat = ( $offset + $toplevelMaxperpage < $sections )
  96                   ? $offset + $toplevelMaxperpage : $sections ;
  97
  98         # This array is going to hold the cur_titles in order.
  99         $lines = array();
 100
 101         # If we are going to show n rows, we need n+1 queries to find the relevant titles.
 102         for ( $i = $offset; $i <= $stopat; $i++ ) {
 103                 if ( $i == $sections )                  # if we're displaying the last section, we need to
 104                         $from = $count-1;                       # find the last cur_title in the DB
 105                 else if ( $i > $offset )
 106                         $from = $i * $indexMaxperpage - 1;
 107                 else
 108                         $from = $i * $indexMaxperpage;
 109                 $limit = ( $i == $offset || $i == $stopat ) ? 1 : 2;
 110                 $sql = "SELECT cur_title $fromwhere $order_str " . $dbr->limitResult ( $limit, $from );
 111                 $res = $dbr->query( $sql, $fname );
 112                 $s = $dbr->fetchObject( $res );
 113                 array_push ( $lines, $s->cur_title );
 114                 if ( $s = $dbr->fetchObject( $res ) ) {
 115                         array_push ( $lines, $s->cur_title );
 116                 }
 117                 $dbr->freeResult( $res );
 118         }
 119
 120         # At this point, $lines should contain an even number of elements.
 121         $out .= "<table style='background: inherit;'>";
 122         while ( count ( $lines ) > 0 ) {
 123                 $inpoint = array_shift ( $lines );
 124                 $outpoint = array_shift ( $lines );
 125                 $out .= indexShowline ( $inpoint, $outpoint, $namespace );
 126         }
 127         $out .= "</table>";
 128
 129         $nsForm = namespaceForm ( $namespace );
 130
 131         # Is there more?
 132         $morelinks = "";
 133         if ( $offset > 0 ) {
 134                 $morelinks = $sk->makeKnownLink (
 135                         $wgContLang->specialPage ( "Allpages" ),
 136                         wfMsg ( 'allpagesprev' ),
 137                         ( $offset > $toplevelMaxperpage ) ? 'offset='.($offset-$toplevelMaxperpage) : ''
 138                 );
 139         }
 140         if ( $stopat < $sections-1 ) {
 141                 if ( $morelinks != "" ) { $morelinks .= " | "; }
 142                 $morelinks .= $sk->makeKnownLink (
 143                         $wgContLang->specialPage ( "Allpages" ),
 144                         wfMsg ( 'allpagesnext' ),
 145                         'offset=' . ($offset + $toplevelMaxperpage)
 146                 );
 147         }
 148
 149         if ( $morelinks != "" ) {
 150                 $out2 = '<table style="background: inherit;" width="100%" cellpadding="0" cellspacing="0" border="0">';
 151                 $out2 .= '<tr valign="top"><td align="left">' . $nsForm;
 152                 $out2 .= '</td><td align="right" style="font-size: smaller; margin-bottom: 1em;">';
 153                 $out2 .= $morelinks . '</td></tr></table><hr />';
 154         } else {
 155                 $out2 = $nsForm . '<hr />';
 156         }
 157
 158         $wgOut->addHtml( $out2 . $out );
 159 }
 160
 161 function indexShowline( $inpoint, $outpoint, $namespace = 0 ) {
 162         global $wgOut, $wgLang, $wgUser;
 163         $sk = $wgUser->getSkin();
 164         $dbr =& wfGetDB( DB_SLAVE );
 165
 166         $inpointf = htmlspecialchars( str_replace( "_", " ", $inpoint ) );
 167         $outpointf = htmlspecialchars( str_replace( "_", " ", $outpoint ) );
 168         $queryparams = $namespace ? ('namespace='.intval($namespace)) : '';
 169         $special = Title::makeTitle( NS_SPECIAL, 'Allpages/' . $inpoint );
 170         $link = $special->escapeLocalUrl( $queryparams );
 171
 172         $out = wfMsg(
 173                 'alphaindexline',
 174                 "<a href=\"$link\">$inpointf</a></td><td><a href=\"$link\">",
 175                 "</a></td><td align=\"left\"><a href=\"$link\">$outpointf</a>"
 176         );
 177         return '<tr><td align="right">'.$out.'</td></tr>';
 178 }
 179
 180 function indexShowChunk( $from, $namespace = 0 ) {
 181         global $wgOut, $wgUser, $indexMaxperpage, $wgContLang;
 182         $sk = $wgUser->getSkin();
 183         $maxPlusOne = $indexMaxperpage + 1;
 184         $namespacee = intval($namespace);
 185
 186         $out = "";
 187         $dbr =& wfGetDB( DB_SLAVE );
 188         $cur = $dbr->tableName( 'cur' );
 189
 190         $fromTitle = Title::newFromURL( $from );
 191         $fromKey = is_null( $fromTitle ) ? '' : $fromTitle->getDBkey();
 192
 193         $sql = "SELECT cur_title FROM $cur WHERE cur_namespace=$namespacee" .
 194                 " AND cur_title >= ".  $dbr->addQuotes( $fromKey ) .
 195                 " ORDER BY cur_title LIMIT " . $maxPlusOne;
 196         $res = $dbr->query( $sql, "indexShowChunk" );
 197
 198         ### FIXME: side link to previous
 199
 200         $n = 0;
 201         $out = '<table style="background: inherit;" border="0" width="100%">';
 202         while( ($n < $indexMaxperpage) && ($s = $dbr->fetchObject( $res )) ) {
 203                 $t = Title::makeTitle( $namespacee, $s->cur_title );
 204                 if( $t ) {
 205                         $link = $sk->makeKnownLinkObj( $t, $t->getText() );
 206                 } else {
 207                         $link = '[[' . htmlspecialchars( $s->cur_title ) . ']]';
 208                 }
 209                 if( $n % 3 == 0 ) {
 210                         $out .= '<tr>';
 211                 }
 212                 $out .= "<td>$link</td>";
 213                 $n++;
 214                 if( $n % 3 == 0 ) {
 215                         $out .= '</tr>';
 216                 }
 217         }
 218         if( ($n % 3) != 0 ) {
 219                 $out .= '</tr>';
 220         }
 221         $out .= '</table>';
 222
 223         $nsForm = namespaceForm ( $namespace, $from );
 224         $out2 = '<table style="background: inherit;" width="100%" cellpadding="0" cellspacing="0" border="0">';
 225         $out2 .= '<tr valign="top"><td align="left">' . $nsForm;
 226         $out2 .= '</td><td align="right" style="font-size: smaller; margin-bottom: 1em;">' .
 227                         $sk->makeKnownLink( $wgContLang->specialPage( "Allpages" ),
 228                                 wfMsg ( 'allpages' ) );
 229         if ( ($n == $indexMaxperpage) && ($s = $dbr->fetchObject( $res )) ) {
 230                 $namespaceparam = $namespace ? "&namespace=$namespace" : "";
 231                 $out2 .= " | " . $sk->makeKnownLink(
 232                         $wgContLang->specialPage( "Allpages" ),
 233                         wfMsg ( 'nextpage', $s->cur_title ),
 234                         "from=" . wfUrlEncode ( $s->cur_title ) . $namespaceparam );
 235         }
 236         $out2 .= "</td></tr></table><hr />";
 237
 238         $wgOut->addHtml( $out2 . $out );
 239 }
 240
 241 ?>