MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / resources / src / mediawiki / htmlform / selectandother.js

diff --git a/resources/src/mediawiki/htmlform/selectandother.js b/resources/src/mediawiki/htmlform/selectandother.js
new file mode 100644 (file)
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+++ b/resources/src/mediawiki/htmlform/selectandother.js
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+/*
+ * HTMLForm enhancements:
+ * Add a dynamic max length to the reason field of SelectAndOther.
+ */
+( function ( mw, $ ) {
+
+       // cache the separator to avoid object creation on each keypress
+       var colonSeparator = mw.message( 'colon-separator' ).text();
+
+       mw.hook( 'htmlform.enhance' ).add( function ( $root ) {
+               // This checks the length together with the value from the select field
+               // When the reason list is changed and the bytelimit is longer than the allowed,
+               // nothing is done
+               $root
+                       .find( '.mw-htmlform-select-and-other-field' )
+                       .each( function () {
+                               var $this = $( this ),
+                                       // find the reason list
+                                       $reasonList = $root.find( '#' + $this.data( 'id-select' ) ),
+                                       // cache the current selection to avoid expensive lookup
+                                       currentValReasonList = $reasonList.val();
+
+                               $reasonList.change( function () {
+                                       currentValReasonList = $reasonList.val();
+                               } );
+
+                               $this.byteLimit( function ( input ) {
+                                       // Should be built the same as in HTMLSelectAndOtherField::loadDataFromRequest
+                                       var comment = currentValReasonList;
+                                       if ( comment === 'other' ) {
+                                               comment = input;
+                                       } else if ( input !== '' ) {
+                                               // Entry from drop down menu + additional comment
+                                               comment += colonSeparator + input;
+                                       }
+                                       return comment;
+                               } );
+                       } );
+       } );
+
+}( mediaWiki, jQuery ) );