resources/mediawiki.action/mediawiki.action.history.js

   1 /*
   2  * JavaScript for History action
   3  */
   4 jQuery( function( $ ) {
   5         var $lis = $( 'ul#pagehistory li' );
   6         var updateDiffRadios = function() {
   7                 var diffLi = false, // the li where the diff radio is checked
   8                         oldLi = false; // the li where the oldid radio is checked
   9
  10                 if ( !$lis.length ) {
  11                         return true;
  12                 }
  13                 $lis.removeClass( 'selected' );
  14                 $lis.each( function() {
  15                         var $this = $(this);
  16                         var $inputs = $this.find( 'input[type="radio"]' );
  17                         if ( $inputs.length !== 2 ) {
  18                                 return true;
  19                         }
  20
  21                         // this row has a checked radio button
  22                         if ( $inputs.get(0).checked ) {
  23                                 oldLi = true;
  24                                 $this.addClass( 'selected' );
  25                                 $inputs.eq(0).css( 'visibility', 'visible' );
  26                                 $inputs.eq(1).css( 'visibility', 'hidden' );
  27                         } else if ( $inputs.get(1).checked ) {
  28                                 diffLi = true;
  29                                 $this.addClass( 'selected' );
  30                                 $inputs.eq(0).css( 'visibility', 'hidden' );
  31                                 $inputs.eq(1).css( 'visibility', 'visible' );
  32                         } else {
  33                                 // no radio is checked in this row
  34                                 if ( diffLi && oldLi ) {
  35                                         // We're below the selected radios
  36                                         $inputs.eq(0).css( 'visibility', 'visible' );
  37                                         $inputs.eq(1).css( 'visibility', 'hidden' );
  38                                 } else if ( diffLi ) {
  39                                         // We're between the selected radios
  40                                         $inputs.css( 'visibility', 'visible' );
  41                                 } else {
  42                                         // We're above the selected radios
  43                                         $inputs.eq(1).css( 'visibility', 'visible' );
  44                                         $inputs.eq(0).css( 'visibility', 'hidden' );
  45                                 }
  46                         }
  47                 });
  48                 return true;
  49         };
  50
  51         $( '#pagehistory li input[name="diff"], #pagehistory li input[name="oldid"]' ).click( updateDiffRadios );
  52         updateDiffRadios();
  53 });