Merge "Special:ListGroupRights: Display the legend at the top"
[lhc/web/wiklou.git] / resources / mediawiki.action / mediawiki.action.history.js
index 66f90b0..04f045a 100644 (file)
@@ -1,7 +1,126 @@
-/*
+/**
  * JavaScript for History action
  */
+jQuery( function ( $ ) {
+       var     $historyCompareForm = $( '#mw-history-compare' ),
+               $historySubmitter,
+               $lis = $( '#pagehistory > li' );
 
-// Replaces histrowinit
-$( '#pagehistory li input[name=diff], #pagehistory li input[name=oldid]' ).click( diffcheck );
-diffcheck();
\ No newline at end of file
+       /**
+        * @context {Element} input
+        * @param e {jQuery.Event}
+        */
+       function updateDiffRadios() {
+               var diffLi = false, // the li where the diff radio is checked
+                       oldLi = false; // the li where the oldid radio is checked
+
+               if ( !$lis.length ) {
+                       return true;
+               }
+
+               $lis
+               .removeClass( 'selected' )
+               .each( function () {
+                       var     $li = $(this),
+                               $inputs = $li.find( 'input[type="radio"]' ),
+                               $oldidRadio = $inputs.filter( '[name="oldid"]' ).eq(0),
+                               $diffRadio = $inputs.filter( '[name="diff"]' ).eq(0);
+
+                       if ( !$oldidRadio.length || !$diffRadio.length ) {
+                               return true;
+                       }
+
+                       if ( $oldidRadio.prop( 'checked' ) ) {
+                               oldLi = true;
+                               $li.addClass( 'selected' );
+                               $oldidRadio.css( 'visibility', 'visible' );
+                               $diffRadio.css( 'visibility', 'hidden' );
+
+                       } else if ( $diffRadio.prop( 'checked' ) ) {
+                               diffLi = true;
+                               $li.addClass( 'selected' );
+                               $oldidRadio.css( 'visibility', 'hidden' );
+                               $diffRadio.css( 'visibility', 'visible' );
+
+                       // This list item has neither checked
+                       } else {
+                               // We're below the selected radios
+                               if ( diffLi && oldLi ) {
+                                       $oldidRadio.css( 'visibility', 'visible' );
+                                       $diffRadio.css( 'visibility', 'hidden' );
+
+                               // We're between the selected radios
+                               } else if ( diffLi ) {
+                                       $diffRadio.css( 'visibility', 'visible' );
+                                       $oldidRadio.css( 'visibility', 'visible' );
+
+                               // We're above the selected radios
+                               } else {
+                                       $diffRadio.css( 'visibility', 'visible' );
+                                       $oldidRadio.css( 'visibility', 'hidden' );
+                               }
+                       }
+               });
+
+               return true;
+       }
+
+       $lis.find( 'input[name="diff"], input[name="oldid"]' ).click( updateDiffRadios );
+
+       // Set initial state
+       updateDiffRadios();
+
+
+       // Prettify url output for HistoryAction submissions,
+       // to cover up action=historysubmit construction.
+
+       // Ideally we'd use e.target instead of $historySubmitter, but e.target points
+       // to the form element for submit actions, so.
+       $historyCompareForm.find( '.historysubmit' ).click( function () {
+               $historySubmitter = $(this);
+       } );
+
+       // On submit we clone the form element, remove unneeded fields in the clone
+       // that pollute the query parameter with stuff from the other "use case",
+       // and then submit the clone.
+       // Without the cloning we'd be changing the real form, which is slower, could make
+       // the page look broken for a second in slow browsers and might show the form broken
+       // again when coming back from a "next" page.
+       $historyCompareForm.submit( function ( e ) {
+               var     $copyForm, $copyRadios, $copyAction;
+
+               if ( $historySubmitter ) {
+                       $copyForm = $historyCompareForm.clone();
+                       $copyRadios = $copyForm.find( '#pagehistory > li' ).find( 'input[name="diff"], input[name="oldid"]' );
+                       $copyAction = $copyForm.find( '> [name="action"]');
+
+                       // Remove action=historysubmit and ids[..]=..
+                       if ( $historySubmitter.hasClass( 'mw-history-compareselectedversions-button' ) ) {
+                               $copyAction.remove();
+                               $copyForm.find( 'input[name^="ids["]:checked' ).prop( 'checked', false );
+
+                       // Remove diff=&oldid=, change action=historysubmit to revisiondelete, remove revisiondelete
+                       } else if ( $historySubmitter.hasClass( 'mw-history-revisiondelete-button' ) ) {
+                               $copyRadios.remove();
+                               $copyAction.val( $historySubmitter.attr( 'name' ) );
+                               $copyForm.find( ':submit' ).remove();
+                       }
+
+                       // IE7 doesn't do submission from an off-DOM clone, so insert hidden into document first
+                       // Also remove potentially conflicting id attributes that we don't need anyway
+                       $copyForm
+                               .css( 'display', 'none' )
+                               .find('[id]')
+                                       .removeAttr('id')
+                               .end()
+                               .insertAfter( $historyCompareForm )
+                               .submit();
+
+                       e.preventDefault();
+                       return false; // Because the submit is special, return false as well.
+               }
+
+               // Continue natural browser handling other wise
+               return true;
+       } );
+} );