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 = $this;
  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 = $this;
  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.eq(0).css( 'visibility', 'visible' );
  41                                         $inputs.eq(1).css( 'visibility', 'visible' );
  42                                 } else {
  43                                         // We're above the selected radios
  44                                         $inputs.eq(1).css( 'visibility', 'visible' );
  45                                         $inputs.eq(0).css( 'visibility', 'hidden' );
  46                                 }
  47                         }
  48                 });
  49                 return true;
  50         };
  51
  52         var fixCompare = function () {
  53                 var $diffList = $( '#pagehistory' ),
  54                  $histForm = $( '#mw-history-compare' ),
  55                  $buttons = $histForm.find( 'input.historysubmit' );
  56
  57                 // There's only one rev, nothing to do here
  58                 if ( !$buttons.length ) {
  59                         return false;
  60                 }
  61
  62                 var buttonText = $buttons.remove().first().val(),
  63                   $compareLink = $( '<a></a>', {
  64                                 'class': 'compare-link',
  65                                 'text': buttonText
  66                         }).button();
  67                 $histForm.prepend( $compareLink );
  68                 if ( $buttons.length == 2 ) {
  69                         $histForm.append( $compareLink.clone() );
  70                 }
  71
  72                 function updateCompare() {
  73                         var $radio = $histForm.find( 'input[type=radio]:checked' );
  74                         var genLink = mw.config.get( 'wgScript' )
  75                                 + '?title=' + mw.util.wikiUrlencode( mw.config.get( 'wgPageName' ) )
  76                                 + '&diff=' + $radio.eq(0).val()
  77                                 + '&oldid=' + $radio.eq(1).val();
  78                         $( '.compare-link' ).each( function() {
  79                                 $(this).attr('href', genLink);
  80                         });
  81                 }
  82                 updateCompare();
  83                 $diffList.change( updateCompare );
  84         };
  85
  86         $( '#pagehistory li input[name="diff"], #pagehistory li input[name="oldid"]' ).click( updateDiffRadios );
  87         fixCompare();
  88         updateDiffRadios();
  89 });