resources/src/mediawiki.action/mediawiki.action.edit.js

   1 /*!
   2  * Scripts for action=edit at domready
   3  */
   4 ( function ( mw, $ ) {
   5         'use strict';
   6
   7         /**
   8          * Fired when the editform is added to the edit page
   9          *
  10          * Similar to the {@link mw.hook#event-wikipage_content wikipage.content hook}
  11          * $editForm can still be detached when this hook is fired.
  12          *
  13          * @event wikipage_editform
  14          * @member mw.hook
  15          * @param {jQuery} $editForm The most appropriate element containing the
  16          *   editform, usually #editform.
  17          */
  18
  19         $( function () {
  20                 var editBox, scrollTop, $editForm;
  21
  22                 // Make sure edit summary does not exceed byte limit
  23                 $( '#wpSummary' ).byteLimit( 255 );
  24
  25                 // Restore the edit box scroll state following a preview operation,
  26                 // and set up a form submission handler to remember this state.
  27                 editBox = document.getElementById( 'wpTextbox1' );
  28                 scrollTop = document.getElementById( 'wpScrolltop' );
  29                 $editForm = $( '#editform' );
  30                 mw.hook( 'wikipage.editform' ).fire( $editForm );
  31                 if ( $editForm.length && editBox && scrollTop ) {
  32                         if ( scrollTop.value ) {
  33                                 editBox.scrollTop = scrollTop.value;
  34                         }
  35                         $editForm.submit( function () {
  36                                 scrollTop.value = editBox.scrollTop;
  37                         } );
  38                 }
  39         } );
  40 }( mediaWiki, jQuery ) );