resources/src/mediawiki.page.rollback.js

   1 /*!
   2  * Enhance rollback links by using asynchronous API requests,
   3  * rather than navigating to an action page.
   4  *
   5  * @since 1.28
   6  * @author Timo Tijhof
   7  */
   8 ( function () {
   9
  10         $( function () {
  11                 $( '.mw-rollback-link' ).on( 'click', 'a[data-mw="interface"]', function ( e ) {
  12                         var api, $spinner,
  13                                 $link = $( this ),
  14                                 url = this.href,
  15                                 page = mw.util.getParamValue( 'title', url ),
  16                                 user = mw.util.getParamValue( 'from', url );
  17
  18                         if ( !page || user === null ) {
  19                                 // Let native browsing handle the link
  20                                 return true;
  21                         }
  22
  23                         // Preload the notification module for mw.notify
  24                         mw.loader.load( 'mediawiki.notification' );
  25
  26                         // Remove event handler so that next click (re-try) uses server action
  27                         $( e.delegateTarget ).off( 'click' );
  28
  29                         // Hide the link and create a spinner to show it inside the brackets.
  30                         $spinner = $.createSpinner( { size: 'small', type: 'inline' } );
  31                         $link.hide().after( $spinner );
  32
  33                         // @todo: data.messageHtml is no more. Convert to using errorformat=html.
  34                         api = new mw.Api();
  35                         api.rollback( page, user )
  36                                 .then( function ( data ) {
  37                                         mw.notify( $.parseHTML( data.messageHtml ), {
  38                                                 title: mw.msg( 'actioncomplete' )
  39                                         } );
  40
  41                                         // Remove link container and the subsequent text node containing " | ".
  42                                         if ( e.delegateTarget.nextSibling && e.delegateTarget.nextSibling.nodeType === Node.TEXT_NODE ) {
  43                                                 $( e.delegateTarget.nextSibling ).remove();
  44                                         }
  45                                         $( e.delegateTarget ).remove();
  46                                 }, function ( errorCode, data ) {
  47                                         var message = data && data.error && data.error.messageHtml ?
  48                                                         $.parseHTML( data.error.messageHtml ) :
  49                                                         mw.msg( 'rollbackfailed' ),
  50                                                 type = errorCode === 'alreadyrolled' ? 'warn' : 'error';
  51
  52                                         mw.notify( message, {
  53                                                 type: type,
  54                                                 title: mw.msg( 'rollbackfailed' ),
  55                                                 autoHide: false
  56                                         } );
  57
  58                                         // Restore the link (enables user to try again)
  59                                         $spinner.remove();
  60                                         $link.show();
  61                                 } );
  62
  63                         e.preventDefault();
  64                 } );
  65         } );
  66
  67 }() );