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authorPierre Schmitz <pierre@archlinux.de>2008-08-15 01:29:47 +0200
committerPierre Schmitz <pierre@archlinux.de>2008-08-15 01:29:47 +0200
commit370e83bb0dfd0c70de268c93bf07ad5ee0897192 (patch)
tree491674f4c242e4d6ba0d04eafa305174c35a3391 /includes/specials/SpecialBooksources.php
parentf4debf0f12d0524d2b2427c55ea3f16b680fad97 (diff)
Update auf 1.13.0
Diffstat (limited to 'includes/specials/SpecialBooksources.php')
-rw-r--r--includes/specials/SpecialBooksources.php110
1 files changed, 110 insertions, 0 deletions
diff --git a/includes/specials/SpecialBooksources.php b/includes/specials/SpecialBooksources.php
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+<?php
+
+/**
+ * Special page outputs information on sourcing a book with a particular ISBN
+ * The parser creates links to this page when dealing with ISBNs in wikitext
+ *
+ * @author Rob Church <robchur@gmail.com>
+ * @todo Validate ISBNs using the standard check-digit method
+ * @ingroup SpecialPages
+ */
+class SpecialBookSources extends SpecialPage {
+
+ /**
+ * ISBN passed to the page, if any
+ */
+ private $isbn = '';
+
+ /**
+ * Constructor
+ */
+ public function __construct() {
+ parent::__construct( 'Booksources' );
+ }
+
+ /**
+ * Show the special page
+ *
+ * @param $isbn ISBN passed as a subpage parameter
+ */
+ public function execute( $isbn ) {
+ global $wgOut, $wgRequest;
+ $this->setHeaders();
+ $this->isbn = $this->cleanIsbn( $isbn ? $isbn : $wgRequest->getText( 'isbn' ) );
+ $wgOut->addWikiMsg( 'booksources-summary' );
+ $wgOut->addHtml( $this->makeForm() );
+ if( strlen( $this->isbn ) > 0 )
+ $this->showList();
+ }
+
+ /**
+ * Trim ISBN and remove characters which aren't required
+ *
+ * @param $isbn Unclean ISBN
+ * @return string
+ */
+ private function cleanIsbn( $isbn ) {
+ return trim( preg_replace( '![^0-9X]!', '', $isbn ) );
+ }
+
+ /**
+ * Generate a form to allow users to enter an ISBN
+ *
+ * @return string
+ */
+ private function makeForm() {
+ global $wgScript;
+ $title = self::getTitleFor( 'Booksources' );
+ $form = '<fieldset><legend>' . wfMsgHtml( 'booksources-search-legend' ) . '</legend>';
+ $form .= Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) );
+ $form .= Xml::hidden( 'title', $title->getPrefixedText() );
+ $form .= '<p>' . Xml::inputLabel( wfMsg( 'booksources-isbn' ), 'isbn', 'isbn', 20, $this->isbn );
+ $form .= '&nbsp;' . Xml::submitButton( wfMsg( 'booksources-go' ) ) . '</p>';
+ $form .= Xml::closeElement( 'form' );
+ $form .= '</fieldset>';
+ return $form;
+ }
+
+ /**
+ * Determine where to get the list of book sources from,
+ * format and output them
+ *
+ * @return string
+ */
+ private function showList() {
+ global $wgOut, $wgContLang;
+
+ # Hook to allow extensions to insert additional HTML,
+ # e.g. for API-interacting plugins and so on
+ wfRunHooks( 'BookInformation', array( $this->isbn, &$wgOut ) );
+
+ # Check for a local page such as Project:Book_sources and use that if available
+ $title = Title::makeTitleSafe( NS_PROJECT, wfMsgForContent( 'booksources' ) ); # Show list in content language
+ if( is_object( $title ) && $title->exists() ) {
+ $rev = Revision::newFromTitle( $title );
+ $wgOut->addWikiText( str_replace( 'MAGICNUMBER', $this->isbn, $rev->getText() ) );
+ return true;
+ }
+
+ # Fall back to the defaults given in the language file
+ $wgOut->addWikiMsg( 'booksources-text' );
+ $wgOut->addHtml( '<ul>' );
+ $items = $wgContLang->getBookstoreList();
+ foreach( $items as $label => $url )
+ $wgOut->addHtml( $this->makeListItem( $label, $url ) );
+ $wgOut->addHtml( '</ul>' );
+ return true;
+ }
+
+ /**
+ * Format a book source list item
+ *
+ * @param $label Book source label
+ * @param $url Book source URL
+ * @return string
+ */
+ private function makeListItem( $label, $url ) {
+ $url = str_replace( '$1', $this->isbn, $url );
+ return '<li><a href="' . htmlspecialchars( $url ) . '">' . htmlspecialchars( $label ) . '</a></li>';
+ }
+}