resources/src/mediawiki.special/mediawiki.special.import.js

   1 /*!
   2  * JavaScript for Special:Import
   3  */
   4 ( function ( $ ) {
   5         var subprojectListAlreadyShown;
   6         function updateImportSubprojectList() {
   7                 var $projectField = $( '#mw-import-table-interwiki #interwiki' ),
   8                         $subprojectField = $projectField.parent().find( '#subproject' ),
   9                         $selected = $projectField.find( ':selected' ),
  10                         oldValue = $subprojectField.val(),
  11                         option, options;
  12
  13                 if ( $selected.attr( 'data-subprojects' ) ) {
  14                         options = $.map( $selected.attr( 'data-subprojects' ).split( ' ' ), function ( el ) {
  15                                 option = document.createElement( 'option' );
  16                                 option.appendChild( document.createTextNode( el ) );
  17                                 option.setAttribute( 'value', el );
  18                                 if ( oldValue === el && subprojectListAlreadyShown === true ) {
  19                                         option.setAttribute( 'selected', 'selected' );
  20                                 }
  21                                 return option;
  22                         } );
  23                         $subprojectField.show().empty().append( options );
  24                         subprojectListAlreadyShown = true;
  25                 } else {
  26                         $subprojectField.hide();
  27                 }
  28         }
  29
  30         $( function () {
  31                 var $projectField = $( '#mw-import-table-interwiki #interwiki' );
  32                 if ( $projectField.length ) {
  33                         $projectField.change( updateImportSubprojectList );
  34                         updateImportSubprojectList();
  35                 }
  36         } );
  37 }( jQuery ) );