includes/SpecialBooksources.php

   1 <?
   2
   3 # ISBNs in wiki pages will create links to this page, with
   4 # the ISBN passed in via the query string.
   5
   6 function wfSpecialBooksources()
   7 {
   8         $isbn = $_REQUEST["isbn"];
   9
  10         $bsl = new BookSourceList( $isbn );
  11         $bsl->show();
  12 }
  13
  14 class BookSourceList {
  15
  16         var $mIsbn;
  17
  18         function BookSourceList( $isbn )
  19         {
  20                 $this->mIsbn = $isbn;
  21         }
  22
  23         function show()
  24         {
  25                 global $wgOut, $wgUser, $wgLang;
  26                 global $ip, $wpBlockAddress, $wpBlockReason;
  27
  28                 $wgOut->setPagetitle( wfMsg( "booksources" ) );
  29                 $wgOut->addWikiText( wfMsg( "booksourcetext" ) );
  30
  31                 # If ISBN is blank, just show a list of links to the
  32                 # home page of the various book sites.  Otherwise, show
  33                 # a list of links directly to the book.
  34
  35                 $s = "<ul>\n";
  36                 $bs = $wgLang->getBookstoreList() ;
  37                 $bsn = array_keys ( $bs ) ;
  38                 foreach ( $bsn as $name ) {
  39                         $adr = $bs[$name] ;
  40                         if ( ! $this->mIsbn ) {
  41                                 $adr = explode ( ":" , $adr , 2 ) ;
  42                                 $adr = explode ( "/" , $adr[1] ) ;
  43                                 $a = "" ;
  44                                 while ( $a == "" ) $a = array_shift ( $adr ) ;
  45                                 $adr = "http://".$a ;
  46                         } else {
  47                                 $adr = str_replace ( "$1" , $this->mIsbn , $adr ) ;
  48                         }
  49                         $s .= "<li><a href=\"{$adr}\">{$name}</a></li>\n" ;
  50                         }
  51                 $s .= "</ul>\n";
  52
  53                 $wgOut->addHTML( $s );
  54         }
  55 }
  56
  57 ?>