includes/specials/SpecialPrefixindex.php

   1 <?php
   2
   3 /**
   4  * implements Special:Prefixindex
   5  * @ingroup SpecialPage
   6  */
   7 class SpecialPrefixindex extends SpecialAllpages {
   8         // Inherit $maxPerPage
   9
  10         // Define other properties
  11         protected $nsfromMsg = 'allpagesprefix';
  12
  13         function __construct(){
  14                 parent::__construct( 'Prefixindex' );
  15         }
  16
  17         /**
  18          * Entry point : initialise variables and call subfunctions.
  19          * @param $par String: becomes "FOO" when called like Special:Prefixindex/FOO (default null)
  20          */
  21         function execute( $par ) {
  22                 global $wgRequest, $wgOut, $wgContLang;
  23
  24                 $this->setHeaders();
  25                 $this->outputHeader();
  26
  27                 # GET values
  28                 $from = $wgRequest->getVal( 'from' );
  29                 $prefix = $wgRequest->getVal( 'prefix' );
  30                 $namespace = $wgRequest->getInt( 'namespace' );
  31                 $namespaces = $wgContLang->getNamespaces();
  32
  33                 $wgOut->setPagetitle( ( $namespace > 0 && in_array( $namespace, array_keys( $namespaces ) ) )
  34                         ? wfMsg( 'allinnamespace', str_replace( '_', ' ', $namespaces[$namespace] ) )
  35                         : wfMsg( 'allarticles' )
  36                 );
  37
  38                 if( isset( $par ) ){
  39                         $this->showPrefixChunk( $namespace, $par, $from );
  40                 } elseif( isset( $prefix ) ){
  41                         $this->showPrefixChunk( $namespace, $prefix, $from );
  42                 } elseif( isset( $from ) ){
  43                         $this->showPrefixChunk( $namespace, $from, $from );
  44                 } else {
  45                         $wgOut->addHtml( $this->namespacePrefixForm( $namespace, null ) );
  46                 }
  47         }
  48
  49         /**
  50         * HTML for the top form
  51         * @param integer $namespace A namespace constant (default NS_MAIN).
  52         * @param string $from dbKey we are starting listing at.
  53         */
  54         function namespacePrefixForm( $namespace = NS_MAIN, $from = '' ) {
  55                 global $wgScript;
  56                 $t = $this->getTitle();
  57
  58                 $out  = Xml::openElement( 'div', array( 'class' => 'namespaceoptions' ) );
  59                 $out .= Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) );
  60                 $out .= Xml::hidden( 'title', $t->getPrefixedText() );
  61                 $out .= Xml::openElement( 'fieldset' );
  62                 $out .= Xml::element( 'legend', null, wfMsg( 'allpages' ) );
  63                 $out .= Xml::openElement( 'table', array( 'id' => 'nsselect', 'class' => 'allpages' ) );
  64                 $out .= "<tr>
  65                                 <td class='mw-label'>" .
  66                                 Xml::label( wfMsg( 'allpagesfrom' ), 'nsfrom' ) .
  67                                 "</td>
  68                                 <td class='mw-input'>" .
  69                                         Xml::input( 'from', 30, str_replace('_',' ',$from), array( 'id' => 'nsfrom' ) ) .
  70                                 "</td>
  71                         </tr>
  72                         <tr>
  73                                 <td class='mw-label'>" .
  74                                         Xml::label( wfMsg( 'namespace' ), 'namespace' ) .
  75                                 "</td>
  76                                 <td class='mw-input'>" .
  77                                         Xml::namespaceSelector( $namespace, null ) . ' ' .
  78                                         Xml::submitButton( wfMsg( 'allpagessubmit' ) ) .
  79                                 "</td>
  80                                 </tr>";
  81                 $out .= Xml::closeElement( 'table' );
  82                 $out .= Xml::closeElement( 'fieldset' );
  83                 $out .= Xml::closeElement( 'form' );
  84                 $out .= Xml::closeElement( 'div' );
  85                 return $out;
  86         }
  87
  88         /**
  89          * @param integer $namespace (Default NS_MAIN)
  90          * @param string $from list all pages from this name (default FALSE)
  91          */
  92         function showPrefixChunk( $namespace = NS_MAIN, $prefix, $from = null ) {
  93                 global $wgOut, $wgUser, $wgContLang;
  94
  95                 $sk = $wgUser->getSkin();
  96
  97                 if (!isset($from)) $from = $prefix;
  98
  99                 $fromList = $this->getNamespaceKeyAndText($namespace, $from);
 100                 $prefixList = $this->getNamespaceKeyAndText($namespace, $prefix);
 101                 $namespaces = $wgContLang->getNamespaces();
 102                 $align = $wgContLang->isRtl() ? 'left' : 'right';
 103
 104                 if ( !$prefixList || !$fromList ) {
 105                         $out = wfMsgWikiHtml( 'allpagesbadtitle' );
 106                 } elseif ( !in_array( $namespace, array_keys( $namespaces ) ) ) {
 107                         // Show errormessage and reset to NS_MAIN
 108                         $out = wfMsgExt( 'allpages-bad-ns', array( 'parseinline' ), $namespace );
 109                         $namespace = NS_MAIN;
 110                 } else {
 111                         list( $namespace, $prefixKey, $prefix ) = $prefixList;
 112                         list( /* $fromNs */, $fromKey, $from ) = $fromList;
 113
 114                         ### FIXME: should complain if $fromNs != $namespace
 115
 116                         $dbr = wfGetDB( DB_SLAVE );
 117
 118                         $res = $dbr->select( 'page',
 119                                 array( 'page_namespace', 'page_title', 'page_is_redirect' ),
 120                                 array(
 121                                         'page_namespace' => $namespace,
 122                                         'page_title LIKE \'' . $dbr->escapeLike( $prefixKey ) .'%\'',
 123                                         'page_title >= ' . $dbr->addQuotes( $fromKey ),
 124                                 ),
 125                                 __METHOD__,
 126                                 array(
 127                                         'ORDER BY'  => 'page_title',
 128                                         'LIMIT'     => $this->maxPerPage + 1,
 129                                         'USE INDEX' => 'name_title',
 130                                 )
 131                         );
 132
 133                         ### FIXME: side link to previous
 134
 135                         $n = 0;
 136                         if( $res->numRows() > 0 ) {
 137                                 $out = '<table style="background: inherit;" border="0" width="100%">';
 138
 139                                 while( ( $n < $this->maxPerPage ) && ( $s = $res->fetchObject() ) ) {
 140                                         $t = Title::makeTitle( $s->page_namespace, $s->page_title );
 141                                         if( $t ) {
 142                                                 $link = ($s->page_is_redirect ? '<div class="allpagesredirect">' : '' ) .
 143                                                         $sk->makeKnownLinkObj( $t, htmlspecialchars( $t->getText() ), false, false ) .
 144                                                         ($s->page_is_redirect ? '</div>' : '' );
 145                                         } else {
 146                                                 $link = '[[' . htmlspecialchars( $s->page_title ) . ']]';
 147                                         }
 148                                         if( $n % 3 == 0 ) {
 149                                                 $out .= '<tr>';
 150                                         }
 151                                         $out .= "<td>$link</td>";
 152                                         $n++;
 153                                         if( $n % 3 == 0 ) {
 154                                                 $out .= '</tr>';
 155                                         }
 156                                 }
 157                                 if( ($n % 3) != 0 ) {
 158                                         $out .= '</tr>';
 159                                 }
 160                                 $out .= '</table>';
 161                         } else {
 162                                 $out = '';
 163                         }
 164                 }
 165
 166                 if ( $this->including() ) {
 167                         $out2 = '';
 168                 } else {
 169                         $nsForm = $this->namespacePrefixForm( $namespace, $prefix );
 170                         $self = $this->getTitle();
 171                         $out2 = '<table style="background: inherit;" width="100%" cellpadding="0" cellspacing="0" border="0">';
 172                         $out2 .= '<tr valign="top"><td>' . $nsForm;
 173                         $out2 .= '</td><td align="' . $align . '" style="font-size: smaller; margin-bottom: 1em;">' .
 174                                         $sk->makeKnownLinkObj( $self,
 175                                                 wfMsg ( 'allpages' ) );
 176                         if( isset( $res ) && $res && ( $n == $this->maxPerPage ) && ( $s = $res->fetchObject() ) ) {
 177                                 $namespaceparam = $namespace ? "&namespace=$namespace" : "";
 178                                 $out2 .= " | " . $sk->makeKnownLinkObj(
 179                                         $self,
 180                                         wfMsgHtml( 'nextpage', htmlspecialchars( $s->page_title ) ),
 181                                         "from=" . wfUrlEncode( $s->page_title ) .
 182                                         "&prefix=" . wfUrlEncode( $prefix ) . $namespaceparam );
 183                         }
 184                         $out2 .= "</td></tr></table><hr />";
 185                 }
 186
 187                 $wgOut->addHtml( $out2 . $out );
 188         }
 189 }