includes/SpecialAllpages.php

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