includes/SpecialAllpages.php

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