* Add form to RCLinked and add to sp:specialpages
[lhc/web/wiklou.git] / includes / AjaxFunctions.php
index e16f6cc..d86b529 100644 (file)
@@ -56,7 +56,7 @@ function js_unescape($source, $iconv_to = 'UTF-8') {
 
 /**
  * Function coverts number of utf char into that character.
- * Function taken from: http://sk2.php.net/manual/en/function.utf8-encode.php#49336
+ * Function taken from: http://www.php.net/manual/en/function.utf8-encode.php#49336
  *
  * @param $num Integer
  * @return utf8char
@@ -73,66 +73,88 @@ function code2utf($num){
    return '';
 }
 
+define( 'AJAX_SEARCH_VERSION', 2 );    //AJAX search cache version
+
 function wfSajaxSearch( $term ) {
-       global $wgContLang, $wgOut;
+       global $wgContLang, $wgOut, $wgUser, $wgCapitalLinks, $wgMemc;
        $limit = 16;
-
-       $l = new Linker;
+       $sk = $wgUser->getSkin();
+       $output = '';
 
        $term = trim( $term );
-       $term = str_replace( ' ', '_', $wgContLang->ucfirst( 
-                       $wgContLang->checkTitleEncoding( $wgContLang->recodeInput( js_unescape( $term ) ) )
-               ) );
-
-       if ( strlen( str_replace( '_', '', $term ) )<3 )
-               return;
-
-       $db = wfGetDB( DB_SLAVE );
-       $res = $db->select( 'page', 'page_title',
-                       array(  'page_namespace' => 0,
-                               "page_title LIKE '". $db->strencode( $term) ."%'" ),
-                               "wfSajaxSearch",
-                               array( 'LIMIT' => $limit+1 )
-                       );
-
-       $r = "";
-
-       $i=0;
-       while ( ( $row = $db->fetchObject( $res ) ) && ( ++$i <= $limit ) ) {
-               $nt = Title::newFromDBkey( $row->page_title );
-               $r .= '<li>' . $l->makeKnownLinkObj( $nt ) . "</li>\n";
-       }
-       if ( $i > $limit ) {
-               $more = '<i>' .  $l->makeKnownLink( $wgContLang->specialPage( "Allpages" ),
-                                               wfMsg('moredotdotdot'),
-                                               "namespace=0&from=" . wfUrlEncode ( $term ) ) .
-                       '</i>';
-       } else {
-               $more = '';
+       $term = $wgContLang->checkTitleEncoding( $wgContLang->recodeInput( js_unescape( $term ) ) );
+       if ( $wgCapitalLinks )
+               $term = $wgContLang->ucfirst( $term ); 
+       $term_title = Title::newFromText( $term );
+
+       $memckey = $term_title ? wfMemcKey( 'ajaxsearch', md5( $term_title->getFullText() ) ) : wfMemcKey( 'ajaxsearch', md5( $term ) );
+       $cached = $wgMemc->get($memckey);
+       if( is_array( $cached ) && $cached['version'] == AJAX_SEARCH_VERSION ) {
+               $response = new AjaxResponse( $cached['html'] );
+               $response->setCacheDuration( 30*60 );
+               return $response;
        }
 
-       $subtitlemsg = ( Title::newFromText($term) ? 'searchsubtitle' : 'searchsubtitleinvalid' );
-       $subtitle = $wgOut->parse( wfMsg( $subtitlemsg, wfEscapeWikiText($term) ) ); #FIXME: parser is missing mTitle !
+       $r = $more = '';
+       $canSearch = true;
+       
+       $results = PrefixSearch::titleSearch( $term, $limit + 1 );
+       foreach( array_slice( $results, 0, $limit ) as $titleText ) {
+               $r .= '<li>' . $sk->makeKnownLink( $titleText ) . "</li>\n";
+       }
+       
+       // Hack to check for specials
+       if( $results ) {
+               $t = Title::newFromText( $results[0] );
+               if( $t && $t->getNamespace() == NS_SPECIAL ) {
+                       $canSearch = false;
+                       if( count( $results ) > $limit ) {
+                               $more = '<i>' .
+                                       $sk->makeKnownLinkObj(
+                                               SpecialPage::getTitleFor( 'Specialpages' ),
+                                               wfMsgHtml( 'moredotdotdot' ) ) .
+                                       '</i>';
+                       }
+               } else {
+                       if( count( $results ) > $limit ) {
+                               $more = '<i>' .
+                                       $sk->makeKnownLinkObj(
+                                               SpecialPage::getTitleFor( "Allpages", $term ),
+                                               wfMsgHtml( 'moredotdotdot' ) ) .
+                                       '</i>';
+                       }
+               }
+       }
 
+       $valid = (bool) $term_title;
        $term_url = urlencode( $term );
-       $term_diplay = htmlspecialchars( str_replace( '_', ' ', $term ) );
-       $html = '<div style="float:right; border:solid 1px black;background:gainsboro;padding:2px;"><a onclick="Searching_Hide_Results();">'
+       $term_normalized = $valid ? $term_title->getFullText() : $term;
+       $term_display = htmlspecialchars( $term );
+       $subtitlemsg = ( $valid ? 'searchsubtitle' : 'searchsubtitleinvalid' );
+       $subtitle = wfMsgExt( $subtitlemsg, array( 'parse' ), wfEscapeWikiText( $term_normalized ) );
+       $html = '<div id="searchTargetHide"><a onclick="Searching_Hide_Results();">'
                . wfMsgHtml( 'hideresults' ) . '</a></div>'
                . '<h1 class="firstHeading">'.wfMsgHtml('search')
-               . '</h1><div id="contentSub">'. $subtitle . '</div><ul><li>'
-               . $l->makeKnownLink( $wgContLang->specialPage( 'Search' ),
-                                       wfMsgHtml( 'searchcontaining', $term_diplay ),
-                                       "search={$term_url}&fulltext=Search" )
-               . '</li><li>' . $l->makeKnownLink( $wgContLang->specialPage( 'Search' ),
-                                       wfMsgHtml( 'searchnamed', $term_diplay ) ,
-                                       "search={$term_url}&go=Go" )
-               . "</li></ul><h2>" . wfMsgHtml( 'articletitles', $term_diplay ) . "</h2>"
-               . '<ul>' .$r .'</ul>'.$more;
+               . '</h1><div id="contentSub">'. $subtitle . '</div>';
+       if( $canSearch ) {
+               $html .= '<ul><li>'
+                       . $sk->makeKnownLink( $wgContLang->specialPage( 'Search' ),
+                                               wfMsgHtml( 'searchcontaining', $term_display ),
+                                               "search={$term_url}&fulltext=Search" )
+                       . '</li><li>' . $sk->makeKnownLink( $wgContLang->specialPage( 'Search' ),
+                                               wfMsgHtml( 'searchnamed', $term_display ) ,
+                                               "search={$term_url}&go=Go" )
+                       . "</li></ul>";
+       }
+       if( $r ) {
+               $html .= "<h2>" . wfMsgHtml( 'articletitles', $term_display ) . "</h2>"
+                       . '<ul>' .$r .'</ul>' . $more;
+       }
 
-       $response = new AjaxResponse( $html );
+       $wgMemc->set( $memckey, array( 'version' => AJAX_SEARCH_VERSION, 'html' => $html ), 30 * 60 );
 
+       $response = new AjaxResponse( $html );
        $response->setCacheDuration( 30*60 );
-
        return $response;
 }
 
@@ -156,7 +178,7 @@ function wfAjaxWatch($pagename = "", $watch = "") {
        }
        $watch = 'w' === $watch;
 
-       $title = Title::newFromText($pagename);
+       $title = Title::newFromDBkey($pagename);
        if(!$title) {
                // Invalid title
                return '<err#>';