includes/SpecialBooksources.php

   1 <?php
   2 /**
   3  * ISBNs in wiki pages will create links to this page, with the ISBN passed
   4  * in via the query string.
   5  *
   6  * @package MediaWiki
   7  * @subpackage SpecialPage
   8  */
   9
  10 /**
  11  * Constructor
  12  */
  13 function wfSpecialBooksources( $par ) {
  14         global $wgRequest;
  15
  16         $isbn = $par;
  17         if( empty( $par ) ) {
  18                 $isbn = $wgRequest->getVal( 'isbn' );
  19         }
  20         $isbn = preg_replace( '/[^0-9X]/', '', $isbn );
  21
  22         $bsl = new BookSourceList( $isbn );
  23         $bsl->show();
  24 }
  25
  26 /**
  27  *
  28  * @package MediaWiki
  29  * @subpackage SpecialPage
  30  */
  31 class BookSourceList {
  32         var $mIsbn;
  33
  34         function BookSourceList( $isbn ) {
  35                 $this->mIsbn = $isbn;
  36         }
  37
  38         function show() {
  39                 global $wgOut;
  40
  41                 $wgOut->setPagetitle( wfMsg( "booksources" ) );
  42                 if( empty( $this->mIsbn ) ) {
  43                         $this->askForm();
  44                 } else {
  45                         $this->showList();
  46                 }
  47         }
  48
  49         function showList() {
  50                 global $wgOut, $wgUser, $wgContLang;
  51                 $fname = "BookSourceList::showList()";
  52
  53                 # First, see if we have a custom list setup in
  54                 # [[Wikipedia:Book sources]] or equivalent.
  55                 $bstitle = Title::makeTitleSafe( NS_PROJECT, wfMsg( "booksources" ) );
  56                 $bsarticle = new Article( $bstitle );
  57                 if( $bsarticle->exists() ) {
  58                         $bstext = $bsarticle->getContent( false );
  59                         if( $bstext ) {
  60                                 $bstext = str_replace( "MAGICNUMBER", $this->mIsbn, $bstext );
  61                                 $wgOut->addWikiText( $bstext );
  62                                 return;
  63                         }
  64                 }
  65
  66                 # Otherwise, use the list of links in the default Language.php file.
  67                 $s = wfMsg( "booksourcetext" ) . "<ul>\n";
  68                 $bs = $wgContLang->getBookstoreList() ;
  69                 $bsn = array_keys ( $bs ) ;
  70                 foreach ( $bsn as $name ) {
  71                         $adr = $bs[$name] ;
  72                         if ( ! $this->mIsbn ) {
  73                                 $adr = explode( ":" , $adr , 2 );
  74                                 $adr = explode( "/" , $adr[1] );
  75                                 $a = "";
  76                                 while ( $a == "" ) {
  77                                         $a = array_shift( $adr );
  78                                 }
  79                                 $adr = "http://".$a ;
  80                         } else {
  81                                 $adr = str_replace ( "$1" , $this->mIsbn , $adr ) ;
  82                         }
  83                         $name = htmlspecialchars( $name );
  84                         $adr = htmlspecialchars( $adr );
  85                         $s .= "<li><a href=\"{$adr}\" class=\"external\">{$name}</a></li>\n" ;
  86                 }
  87                 $s .= "</ul>\n";
  88
  89                 $wgOut->addHTML( $s );
  90         }
  91
  92         function askForm() {
  93                 global $wgOut, $wgLang, $wgTitle;
  94                 $fname = "BookSourceList::askForm()";
  95
  96                 $action = $wgTitle->escapeLocalUrl();
  97                 $isbn = htmlspecialchars( wfMsg( "isbn" ) );
  98                 $go = htmlspecialchars( wfMsg( "go" ) );
  99                 $out = "<form action=\"$action\" method='post'>
 100                         $isbn: <input name='isbn' id='isbn' />
 101                         <input type='submit' value=\"$go\" />
 102                 </form>";
 103                 $wgOut->addHTML( $out );
 104         }
 105 }
 106
 107 ?>