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 integer $namespace A namespace constant (default NS_MAIN).
  49         * @param string $from 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 integer $namespace (Default NS_MAIN)
  87          * @param string $from list all pages from this name (default FALSE)
  88          */
  89         function showPrefixChunk( $namespace = NS_MAIN, $prefix, $from = null ) {
  90                 global $wgOut, $wgUser, $wgContLang, $wgLang;
  91
  92                 $sk = $wgUser->getSkin();
  93
  94                 if (!isset($from)) $from = $prefix;
  95
  96                 $fromList = $this->getNamespaceKeyAndText($namespace, $from);
  97                 $prefixList = $this->getNamespaceKeyAndText($namespace, $prefix);
  98                 $namespaces = $wgContLang->getNamespaces();
  99
 100                 if ( !$prefixList || !$fromList ) {
 101                         $out = wfMsgWikiHtml( 'allpagesbadtitle' );
 102                 } elseif ( !in_array( $namespace, array_keys( $namespaces ) ) ) {
 103                         // Show errormessage and reset to NS_MAIN
 104                         $out = wfMsgExt( 'allpages-bad-ns', array( 'parseinline' ), $namespace );
 105                         $namespace = NS_MAIN;
 106                 } else {
 107                         list( $namespace, $prefixKey, $prefix ) = $prefixList;
 108                         list( /* $fromNs */, $fromKey, $from ) = $fromList;
 109
 110                         ### FIXME: should complain if $fromNs != $namespace
 111
 112                         $dbr = wfGetDB( DB_SLAVE );
 113
 114                         $res = $dbr->select( 'page',
 115                                 array( 'page_namespace', 'page_title', 'page_is_redirect' ),
 116                                 array(
 117                                         'page_namespace' => $namespace,
 118                                         'page_title' . $dbr->buildLike( $prefixKey, $dbr->anyString() ),
 119                                         'page_title >= ' . $dbr->addQuotes( $fromKey ),
 120                                 ),
 121                                 __METHOD__,
 122                                 array(
 123                                         'ORDER BY'  => 'page_title',
 124                                         'LIMIT'     => $this->maxPerPage + 1,
 125                                         'USE INDEX' => 'name_title',
 126                                 )
 127                         );
 128
 129                         ### FIXME: side link to previous
 130
 131                         $n = 0;
 132                         if( $res->numRows() > 0 ) {
 133                                 $out = Xml::openElement( 'table', array( 'border' => '0', 'id' => 'mw-prefixindex-list-table' ) );
 134
 135                                 while( ( $n < $this->maxPerPage ) && ( $s = $res->fetchObject() ) ) {
 136                                         $t = Title::makeTitle( $s->page_namespace, $s->page_title );
 137                                         if( $t ) {
 138                                                 $link = ($s->page_is_redirect ? '<div class="allpagesredirect">' : '' ) .
 139                                                         $sk->linkKnown(
 140                                                                 $t,
 141                                                                 htmlspecialchars( $t->getText() )
 142                                                         ) .
 143                                                         ($s->page_is_redirect ? '</div>' : '' );
 144                                         } else {
 145                                                 $link = '[[' . htmlspecialchars( $s->page_title ) . ']]';
 146                                         }
 147                                         if( $n % 3 == 0 ) {
 148                                                 $out .= '<tr>';
 149                                         }
 150                                         $out .= "<td>$link</td>";
 151                                         $n++;
 152                                         if( $n % 3 == 0 ) {
 153                                                 $out .= '</tr>';
 154                                         }
 155                                 }
 156                                 if( ($n % 3) != 0 ) {
 157                                         $out .= '</tr>';
 158                                 }
 159                                 $out .= Xml::closeElement( 'table' );
 160                         } else {
 161                                 $out = '';
 162                         }
 163                 }
 164
 165                 if ( $this->including() ) {
 166                         $out2 = '';
 167                 } else {
 168                         $nsForm = $this->namespacePrefixForm( $namespace, $prefix );
 169                         $self = $this->getTitle();
 170                         $out2 = Xml::openElement( 'table', array( 'border' => '0', 'id' => 'mw-prefixindex-nav-table' ) )  .
 171                                 '<tr>
 172                                         <td>' .
 173                                                 $nsForm .
 174                                         '</td>
 175                                         <td id="mw-prefixindex-nav-form">' .
 176                                                 $sk->linkKnown( $self, wfMsgHtml( 'allpages' ) );
 177
 178                         if( isset( $res ) && $res && ( $n == $this->maxPerPage ) && ( $s = $res->fetchObject() ) ) {
 179                                 $query = array(
 180                                         'from' => $s->page_title,
 181                                         'prefix' => $prefix
 182                                 );
 183
 184                                 if( $namespace ) {
 185                                         $query['namespace'] = $namespace;
 186                                 }
 187
 188                                 $out2 = $wgLang->pipeList( array(
 189                                         $out2,
 190                                         $sk->linkKnown(
 191                                                 $self,
 192                                                 wfMsgHtml( 'nextpage', str_replace( '_',' ', htmlspecialchars( $s->page_title ) ) ),
 193                                                 array(),
 194                                                 $query
 195                                         )
 196                                 ) );
 197                         }
 198                         $out2 .= "</td></tr>" .
 199                                 Xml::closeElement( 'table' );
 200                 }
 201
 202                 $wgOut->addHTML( $out2 . $out );
 203         }
 204 }