resources/src/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                         // eslint-disable-next-line no-jquery/no-sizzle
  10                         $selected = $projectField.find( ':selected' ),
  11                         oldValue = $subprojectField.val(),
  12                         option, options;
  13
  14                 if ( $selected.attr( 'data-subprojects' ) ) {
  15                         options = $selected.attr( 'data-subprojects' ).split( ' ' ).map( function ( el ) {
  16                                 option = document.createElement( 'option' );
  17                                 option.appendChild( document.createTextNode( el ) );
  18                                 option.setAttribute( 'value', el );
  19                                 if ( oldValue === el && subprojectListAlreadyShown === true ) {
  20                                         option.setAttribute( 'selected', 'selected' );
  21                                 }
  22                                 return option;
  23                         } );
  24                         $subprojectField.show().empty().append( options );
  25                         subprojectListAlreadyShown = true;
  26                 } else {
  27                         $subprojectField.hide();
  28                 }
  29         }
  30
  31         $( function () {
  32                 var $projectField = $( '#mw-import-table-interwiki #interwiki' );
  33                 if ( $projectField.length ) {
  34                         $projectField.on( 'change', updateImportSubprojectList );
  35                         updateImportSubprojectList();
  36                 }
  37         } );
  38 }() );