<?php
-if( !defined( 'MEDIAWIKI' ) )
- die( 1 );
+/**
+ * @package MediaWiki
+ * @addtogroup Ajax
+ */
-require_once('WebRequest.php');
+if( !defined( 'MEDIAWIKI' ) ) {
+ die( 1 );
+}
/**
* Function converts an Javascript escaped string back into a string with
* @return string
*/
function js_unescape($source, $iconv_to = 'UTF-8') {
- $decodedStr = '';
- $pos = 0;
- $len = strlen ($source);
- while ($pos < $len) {
- $charAt = substr ($source, $pos, 1);
- if ($charAt == '%') {
- $pos++;
- $charAt = substr ($source, $pos, 1);
- if ($charAt == 'u') {
- // we got a unicode character
- $pos++;
- $unicodeHexVal = substr ($source, $pos, 4);
- $unicode = hexdec ($unicodeHexVal);
- $decodedStr .= code2utf($unicode);
- $pos += 4;
- }
- else {
- // we have an escaped ascii character
- $hexVal = substr ($source, $pos, 2);
- $decodedStr .= chr (hexdec ($hexVal));
- $pos += 2;
- }
- }
- else {
- $decodedStr .= $charAt;
- $pos++;
- }
- }
-
- if ($iconv_to != "UTF-8") {
- $decodedStr = iconv("UTF-8", $iconv_to, $decodedStr);
- }
-
- return $decodedStr;
+ $decodedStr = '';
+ $pos = 0;
+ $len = strlen ($source);
+
+ while ($pos < $len) {
+ $charAt = substr ($source, $pos, 1);
+ if ($charAt == '%') {
+ $pos++;
+ $charAt = substr ($source, $pos, 1);
+ if ($charAt == 'u') {
+ // we got a unicode character
+ $pos++;
+ $unicodeHexVal = substr ($source, $pos, 4);
+ $unicode = hexdec ($unicodeHexVal);
+ $decodedStr .= code2utf($unicode);
+ $pos += 4;
+ } else {
+ // we have an escaped ascii character
+ $hexVal = substr ($source, $pos, 2);
+ $decodedStr .= chr (hexdec ($hexVal));
+ $pos += 2;
+ }
+ } else {
+ $decodedStr .= $charAt;
+ $pos++;
+ }
+ }
+
+ if ($iconv_to != "UTF-8") {
+ $decodedStr = iconv("UTF-8", $iconv_to, $decodedStr);
+ }
+
+ return $decodedStr;
}
/**
* 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
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;
-
- $term = str_replace( ' ', '_', $wgContLang->ucfirst(
- $wgContLang->checkTitleEncoding( $wgContLang->recodeInput( js_unescape( $term ) ) )
- ) );
+ $sk = $wgUser->getSkin();
+ $output = '';
- if ( strlen( str_replace( '_', '', $term ) )<3 )
- return;
+ $term = trim( $term );
+ $term = $wgContLang->checkTitleEncoding( $wgContLang->recodeInput( js_unescape( $term ) ) );
+ if ( $wgCapitalLinks )
+ $term = $wgContLang->ucfirst( $term );
+ $term_title = Title::newFromText( $term );
- $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 )
- );
+ $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;
+ }
- $r = "";
+ $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>';
+ }
+ }
+ }
- $i=0;
- while ( ( $row = $db->fetchObject( $res ) ) && ( ++$i <= $limit ) ) {
- $nt = Title::newFromDBkey( $row->page_title );
- $r .= '<li>' . $l->makeKnownLinkObj( $nt ) . "</li>\n";
+ $valid = (bool) $term_title;
+ $term_url = urlencode( $term );
+ $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>';
+ 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 ( $i > $limit ) {
- $more = '<i>' . $l->makeKnownLink( $wgContLang->specialPage( "Allpages" ),
- wfMsg('moredotdotdot'),
- "namespace=0&from=" . wfUrlEncode ( $term ) ) .
- '</i>';
- } else {
- $more = '';
+ if( $r ) {
+ $html .= "<h2>" . wfMsgHtml( 'articletitles', $term_display ) . "</h2>"
+ . '<ul>' .$r .'</ul>' . $more;
}
- $subtitlemsg = ( Title::newFromText($term) ? 'searchsubtitle' : 'searchsubtitleinvalid' );
- $subtitle = $wgOut->parse( wfMsg( $subtitlemsg, wfEscapeWikiText($term) ) ); #FIXME: parser is missing mTitle !
-
- $term = htmlspecialchars( $term );
- $html = '<div style="float:right; border:solid 1px black;background:gainsboro;padding:2px;"><a onclick="Searching_Hide_Results();">'
- . wfMsg( 'hideresults' ) . '</a></div>'
- . '<h1 class="firstHeading">'.wfMsg('search')
- . '</h1><div id="contentSub">'. $subtitle . '</div><ul><li>'
- . $l->makeKnownLink( $wgContLang->specialPage( 'Search' ),
- wfMsg( 'searchcontaining', $term ),
- "search=$term&fulltext=Search" )
- . '</li><li>' . $l->makeKnownLink( $wgContLang->specialPage( 'Search' ),
- wfMsg( 'searchnamed', $term ) ,
- "search=$term&go=Go" )
- . "</li></ul><h2>" . wfMsg( 'articletitles', $term ) . "</h2>"
- . '<ul>' .$r .'</ul>'.$more;
-
+ $wgMemc->set( $memckey, array( 'version' => AJAX_SEARCH_VERSION, 'html' => $html ), 30 * 60 );
+
$response = new AjaxResponse( $html );
-
$response->setCacheDuration( 30*60 );
-
return $response;
}
-?>
+/**
+ * Called for AJAX watch/unwatch requests.
+ * @param $pagename Prefixed title string for page to watch/unwatch
+ * @param $watch String 'w' to watch, 'u' to unwatch
+ * @return String '<w#>' or '<u#>' on successful watch or unwatch,
+ * respectively, followed by an HTML message to display in the alert box; or
+ * '<err#>' on error
+ */
+function wfAjaxWatch($pagename = "", $watch = "") {
+ if(wfReadOnly()) {
+ // redirect to action=(un)watch, which will display the database lock
+ // message
+ return '<err#>';
+ }
+
+ if('w' !== $watch && 'u' !== $watch) {
+ return '<err#>';
+ }
+ $watch = 'w' === $watch;
+
+ $title = Title::newFromDBkey($pagename);
+ if(!$title) {
+ // Invalid title
+ return '<err#>';
+ }
+ $article = new Article($title);
+ $watching = $title->userIsWatching();
+
+ if($watch) {
+ if(!$watching) {
+ $dbw = wfGetDB(DB_MASTER);
+ $dbw->begin();
+ $article->doWatch();
+ $dbw->commit();
+ }
+ } else {
+ if($watching) {
+ $dbw = wfGetDB(DB_MASTER);
+ $dbw->begin();
+ $article->doUnwatch();
+ $dbw->commit();
+ }
+ }
+ if( $watch ) {
+ return '<w#>'.wfMsgExt( 'addedwatchtext', array( 'parse' ), $title->getPrefixedText() );
+ } else {
+ return '<u#>'.wfMsgExt( 'removedwatchtext', array( 'parse' ), $title->getPrefixedText() );
+ }
+}
+