resources/src/mediawiki/htmlform/selectandother.js

   1 /*
   2  * HTMLForm enhancements:
   3  * Add a dynamic max length to the reason field of SelectAndOther.
   4  */
   5 ( function ( mw, $ ) {
   6
   7         // cache the separator to avoid object creation on each keypress
   8         var colonSeparator = mw.message( 'colon-separator' ).text();
   9
  10         mw.hook( 'htmlform.enhance' ).add( function ( $root ) {
  11                 // This checks the length together with the value from the select field
  12                 // When the reason list is changed and the bytelimit is longer than the allowed,
  13                 // nothing is done
  14                 $root
  15                         .find( '.mw-htmlform-select-and-other-field' )
  16                         .each( function () {
  17                                 var $this = $( this ),
  18                                         // find the reason list
  19                                         $reasonList = $root.find( '#' + $this.data( 'id-select' ) ),
  20                                         // cache the current selection to avoid expensive lookup
  21                                         currentValReasonList = $reasonList.val();
  22
  23                                 $reasonList.change( function () {
  24                                         currentValReasonList = $reasonList.val();
  25                                 } );
  26
  27                                 $this.byteLimit( function ( input ) {
  28                                         // Should be built the same as in HTMLSelectAndOtherField::loadDataFromRequest
  29                                         var comment = currentValReasonList;
  30                                         if ( comment === 'other' ) {
  31                                                 comment = input;
  32                                         } else if ( input !== '' ) {
  33                                                 // Entry from drop down menu + additional comment
  34                                                 comment += colonSeparator + input;
  35                                         }
  36                                         return comment;
  37                                 } );
  38                         } );
  39         } );
  40
  41 }( mediaWiki, jQuery ) );