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         function __construct(){
  11                 parent::__construct( 'Prefixindex' );
  12         }
  13
  14         /**
  15          * Entry point : initialise variables and call subfunctions.
  16          * @param $par String: becomes "FOO" when called like Special:Prefixindex/FOO (default null)
  17          */
  18         function execute( $par ) {
  19                 global $wgRequest, $wgOut, $wgContLang;
  20
  21                 $this->setHeaders();
  22                 $this->outputHeader();
  23
  24                 # GET values
  25                 $from = $wgRequest->getVal( 'from' );
  26                 $prefix = $wgRequest->getVal( 'prefix', '' );
  27                 $namespace = $wgRequest->getInt( 'namespace' );
  28                 $namespaces = $wgContLang->getNamespaces();
  29
  30                 $wgOut->setPagetitle( ( $namespace > 0 && in_array( $namespace, array_keys( $namespaces ) ) )
  31                         ? wfMsg( 'allinnamespace', str_replace( '_', ' ', $namespaces[$namespace] ) )
  32                         : wfMsg( 'prefixindex' )
  33                 );
  34
  35                 if( isset( $par ) ){
  36                         $this->showPrefixChunk( $namespace, $par, $from );
  37                 } elseif( isset( $prefix ) ){
  38                         $this->showPrefixChunk( $namespace, $prefix, $from );
  39                 } elseif( isset( $from ) ){
  40                         $this->showPrefixChunk( $namespace, $from, $from );
  41                 } else {
  42                         $wgOut->addHTML( $this->namespacePrefixForm( $namespace, null ) );
  43                 }
  44         }
  45
  46         /**
  47         * HTML for the top form
  48         * @param $namespace Integer: a namespace constant (default NS_MAIN).
  49         * @param $from String: dbKey we are starting listing at.
  50         */
  51         function namespacePrefixForm( $namespace = NS_MAIN, $from = '' ) {
  52                 global $wgScript;
  53                 $t = $this->getTitle();
  54
  55                 $out  = Xml::openElement( 'div', array( 'class' => 'namespaceoptions' ) );
  56                 $out .= Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) );
  57                 $out .= Xml::hidden( 'title', $t->getPrefixedText() );
  58                 $out .= Xml::openElement( 'fieldset' );
  59                 $out .= Xml::element( 'legend', null, wfMsg( 'allpages' ) );
  60                 $out .= Xml::openElement( 'table', array( 'id' => 'nsselect', 'class' => 'allpages' ) );
  61                 $out .= "<tr>
  62                                 <td class='mw-label'>" .
  63                                 Xml::label( wfMsg( 'allpagesprefix' ), 'nsfrom' ) .
  64                                 "</td>
  65                                 <td class='mw-input'>" .
  66                                         Xml::input( 'prefix', 30, str_replace('_',' ',$from), array( 'id' => 'nsfrom' ) ) .
  67                                 "</td>
  68                         </tr>
  69                         <tr>
  70                                 <td class='mw-label'>" .
  71                                         Xml::label( wfMsg( 'namespace' ), 'namespace' ) .
  72                                 "</td>
  73                                 <td class='mw-input'>" .
  74                                         Xml::namespaceSelector( $namespace, null ) . ' ' .
  75                                         Xml::submitButton( wfMsg( 'allpagessubmit' ) ) .
  76                                 "</td>
  77                                 </tr>";
  78                 $out .= Xml::closeElement( 'table' );
  79                 $out .= Xml::closeElement( 'fieldset' );
  80                 $out .= Xml::closeElement( 'form' );
  81                 $out .= Xml::closeElement( 'div' );
  82                 return $out;
  83         }
  84
  85         /**
  86          * @param $namespace Integer, default NS_MAIN
  87          * @param $prefix String
  88          * @param $from String: list all pages from this name (default FALSE)
  89          */
  90         function showPrefixChunk( $namespace = NS_MAIN, $prefix, $from = null ) {
  91                 global $wgOut, $wgUser, $wgContLang, $wgLang;
  92
  93                 $sk = $wgUser->getSkin();
  94
  95                 if (!isset($from)) $from = $prefix;
  96
  97                 $fromList = $this->getNamespaceKeyAndText($namespace, $from);
  98                 $prefixList = $this->getNamespaceKeyAndText($namespace, $prefix);
  99                 $namespaces = $wgContLang->getNamespaces();
 100
 101                 if ( !$prefixList || !$fromList ) {
 102                         $out = wfMsgWikiHtml( 'allpagesbadtitle' );
 103                 } elseif ( !in_array( $namespace, array_keys( $namespaces ) ) ) {
 104                         // Show errormessage and reset to NS_MAIN
 105                         $out = wfMsgExt( 'allpages-bad-ns', array( 'parseinline' ), $namespace );
 106                         $namespace = NS_MAIN;
 107                 } else {
 108                         list( $namespace, $prefixKey, $prefix ) = $prefixList;
 109                         list( /* $fromNs */, $fromKey, $from ) = $fromList;
 110
 111                         ### FIXME: should complain if $fromNs != $namespace
 112
 113                         $dbr = wfGetDB( DB_SLAVE );
 114
 115                         $res = $dbr->select( 'page',
 116                                 array( 'page_namespace', 'page_title', 'page_is_redirect' ),
 117                                 array(
 118                                         'page_namespace' => $namespace,
 119                                         'page_title' . $dbr->buildLike( $prefixKey, $dbr->anyString() ),
 120                                         'page_title >= ' . $dbr->addQuotes( $fromKey ),
 121                                 ),
 122                                 __METHOD__,
 123                                 array(
 124                                         'ORDER BY'  => 'page_title',
 125                                         'LIMIT'     => $this->maxPerPage + 1,
 126                                         'USE INDEX' => 'name_title',
 127                                 )
 128                         );
 129
 130                         ### FIXME: side link to previous
 131
 132                         $n = 0;
 133                         if( $res->numRows() > 0 ) {
 134                                 $out = Xml::openElement( 'table', array( 'border' => '0', 'id' => 'mw-prefixindex-list-table' ) );
 135
 136                                 while( ( $n < $this->maxPerPage ) && ( $s = $res->fetchObject() ) ) {
 137                                         $t = Title::makeTitle( $s->page_namespace, $s->page_title );
 138                                         if( $t ) {
 139                                                 $link = ($s->page_is_redirect ? '<div class="allpagesredirect">' : '' ) .
 140                                                         $sk->linkKnown(
 141                                                                 $t,
 142                                                                 htmlspecialchars( $t->getText() )
 143                                                         ) .
 144                                                         ($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 .= Xml::closeElement( '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 = Xml::openElement( 'table', array( 'border' => '0', 'id' => 'mw-prefixindex-nav-table' ) )  .
 172                                 '<tr>
 173                                         <td>' .
 174                                                 $nsForm .
 175                                         '</td>
 176                                         <td id="mw-prefixindex-nav-form">' .
 177                                                 $sk->linkKnown( $self, wfMsgHtml( 'allpages' ) );
 178
 179                         if( isset( $res ) && $res && ( $n == $this->maxPerPage ) && ( $s = $res->fetchObject() ) ) {
 180                                 $query = array(
 181                                         'from' => $s->page_title,
 182                                         'prefix' => $prefix
 183                                 );
 184
 185                                 if( $namespace ) {
 186                                         $query['namespace'] = $namespace;
 187                                 }
 188
 189                                 $out2 = $wgLang->pipeList( array(
 190                                         $out2,
 191                                         $sk->linkKnown(
 192                                                 $self,
 193                                                 wfMsgHtml( 'nextpage', str_replace( '_',' ', htmlspecialchars( $s->page_title ) ) ),
 194                                                 array(),
 195                                                 $query
 196                                         )
 197                                 ) );
 198                         }
 199                         $out2 .= "</td></tr>" .
 200                                 Xml::closeElement( 'table' );
 201                 }
 202
 203                 $wgOut->addHTML( $out2 . $out );
 204         }
 205 }