2 * JavaScript for History action
4 jQuery( function ( $ ) {
5 var $historyCompareForm
= $( '#mw-history-compare' ),
7 $lis
= $( '#pagehistory > li' );
10 * @context {Element} input
11 * @param e {jQuery.Event}
13 function updateDiffRadios() {
14 var diffLi
= false, // the li where the diff radio is checked
15 oldLi
= false; // the li where the oldid radio is checked
22 .removeClass( 'selected' )
25 $inputs
= $li
.find( 'input[type="radio"]' ),
26 $oldidRadio
= $inputs
.filter( '[name="oldid"]' ).eq( 0 ),
27 $diffRadio
= $inputs
.filter( '[name="diff"]' ).eq( 0 );
29 if ( !$oldidRadio
.length
|| !$diffRadio
.length
) {
33 if ( $oldidRadio
.prop( 'checked' ) ) {
35 $li
.addClass( 'selected' );
36 $oldidRadio
.css( 'visibility', 'visible' );
37 $diffRadio
.css( 'visibility', 'hidden' );
39 } else if ( $diffRadio
.prop( 'checked' ) ) {
41 $li
.addClass( 'selected' );
42 $oldidRadio
.css( 'visibility', 'hidden' );
43 $diffRadio
.css( 'visibility', 'visible' );
45 // This list item has neither checked
47 // We're below the selected radios
48 if ( diffLi
&& oldLi
) {
49 $oldidRadio
.css( 'visibility', 'visible' );
50 $diffRadio
.css( 'visibility', 'hidden' );
52 // We're between the selected radios
53 } else if ( diffLi
) {
54 $diffRadio
.css( 'visibility', 'visible' );
55 $oldidRadio
.css( 'visibility', 'visible' );
57 // We're above the selected radios
59 $diffRadio
.css( 'visibility', 'visible' );
60 $oldidRadio
.css( 'visibility', 'hidden' );
68 $lis
.find( 'input[name="diff"], input[name="oldid"]' ).click( updateDiffRadios
);
73 // Prettify url output for HistoryAction submissions,
74 // to cover up action=historysubmit construction.
76 // Ideally we'd use e.target instead of $historySubmitter, but e.target points
77 // to the form element for submit actions, so.
78 $historyCompareForm
.find( '.historysubmit' ).click( function () {
79 $historySubmitter
= $( this );
82 // On submit we clone the form element, remove unneeded fields in the clone
83 // that pollute the query parameter with stuff from the other "use case",
84 // and then submit the clone.
85 // Without the cloning we'd be changing the real form, which is slower, could make
86 // the page look broken for a second in slow browsers and might show the form broken
87 // again when coming back from a "next" page.
88 $historyCompareForm
.submit( function ( e
) {
89 var $copyForm
, $copyRadios
, $copyAction
;
91 if ( $historySubmitter
) {
92 $copyForm
= $historyCompareForm
.clone();
93 $copyRadios
= $copyForm
.find( '#pagehistory > li' ).find( 'input[name="diff"], input[name="oldid"]' );
94 $copyAction
= $copyForm
.find( '> [name="action"]' );
96 // Remove action=historysubmit and ids[..]=..
97 if ( $historySubmitter
.hasClass( 'mw-history-compareselectedversions-button' ) ) {
99 $copyForm
.find( 'input[name^="ids["]:checked' ).prop( 'checked', false );
101 // Remove diff=&oldid=, change action=historysubmit to revisiondelete, remove revisiondelete
102 } else if ( $historySubmitter
.hasClass( 'mw-history-revisiondelete-button' ) ) {
103 $copyRadios
.remove();
104 $copyAction
.val( $historySubmitter
.attr( 'name' ) );
105 $copyForm
.find( ':submit' ).remove();
108 // IE7 doesn't do submission from an off-DOM clone, so insert hidden into document first
109 // Also remove potentially conflicting id attributes that we don't need anyway
111 .css( 'display', 'none' )
115 .insertAfter( $historyCompareForm
)
119 return false; // Because the submit is special, return false as well.
122 // Continue natural browser handling other wise