PrefixSearch: Avoid notice when no subpage exists
[mediawiki.git] / resources / src / mediawiki.special / mediawiki.special.unwatchedPages.js
blob8d3e86ae5f565e34360ab93c67c48a88a40adfd3
1 /*!
2  * JavaScript for Special:UnwatchedPages
3  */
4 ( function ( mw, $ ) {
5         $( function () {
6                 $( 'a.mw-watch-link' ).click( function ( e ) {
7                         var promise,
8                                 api = new mw.Api(),
9                                 $link = $( this ),
10                                 $subjectLink = $link.closest( 'li' ).children( 'a' ).eq( 0 ),
11                                 title = mw.util.getParamValue( 'title', $link.attr( 'href' ) );
12                         // nice format
13                         title = mw.Title.newFromText( title ).toText();
14                         // Disable link whilst we're busy to avoid double handling
15                         if ( $link.data( 'mwDisabled' ) ) {
16                                 // mw-watch-link-disabled disables pointer-events which prevents the click event
17                                 // from happening in the first place. In older browsers we kill the event here.
18                                 return false;
19                         }
20                         $link.data( 'mwDisabled', true ).addClass( 'mw-watch-link-disabled' );
22                         // Use the class to determine whether to watch or unwatch
23                         if ( !$subjectLink.hasClass( 'mw-watched-item' ) ) {
24                                 $link.text( mw.msg( 'watching' ) );
25                                 promise = api.watch( title ).done( function () {
26                                         $subjectLink.addClass( 'mw-watched-item' );
27                                         $link.text( mw.msg( 'unwatch' ) );
28                                         mw.notify( mw.msg( 'addedwatchtext-short', title ) );
29                                 } ).fail( function () {
30                                         $link.text( mw.msg( 'watch' ) );
31                                         mw.notify( mw.msg( 'watcherrortext', title ) );
32                                 } );
33                         } else {
34                                 $link.text( mw.msg( 'unwatching' ) );
35                                 promise = api.unwatch( title ).done( function () {
36                                         $subjectLink.removeClass( 'mw-watched-item' );
37                                         $link.text( mw.msg( 'watch' ) );
38                                         mw.notify( mw.msg( 'removedwatchtext-short', title ) );
39                                 } ).fail( function () {
40                                         $link.text( mw.msg( 'unwatch' ) );
41                                         mw.notify( mw.msg( 'watcherrortext', title ) );
42                                 } );
43                         }
45                         promise.always( function () {
46                                 $link.data( 'mwDisabled', false ).removeClass( 'mw-watch-link-disabled' );
47                         } );
49                         e.preventDefault();
50                 } );
51         } );
52 }( mediaWiki, jQuery ) );