resources/mediawiki/mediawiki.htmlform.js

   1 /**
   2  * Utility functions for jazzing up HTMLForm elements
   3  */
   4 ( function( $ ) {
   5
   6 // Fade or snap depending on argument
   7 $.fn.goIn = function( instantToggle ) {
   8         if ( typeof instantToggle != 'undefined' && instantToggle === true ) {
   9                 return $(this).show();
  10         }
  11         return $(this).stop( true, true ).fadeIn();
  12 };
  13 $.fn.goOut = function( instantToggle ) {
  14         if ( typeof instantToggle != 'undefined' && instantToggle === true ) {
  15                 return $(this).hide();
  16         }
  17         return $(this).stop( true, true ).fadeOut();
  18 };
  19
  20 /**
  21  * Bind a function to the jQuery object via live(), and also immediately trigger
  22  * the function on the objects with an 'instant' paramter set to true
  23  * @param callback function taking one paramter, which is Bool true when the event
  24  *     is called immediately, and the EventArgs object when triggered from an event
  25  */
  26 $.fn.liveAndTestAtStart = function( callback ){
  27         $(this)
  28                 .live( 'change', callback )
  29                 .each( function( index, element ){
  30                         callback.call( this, true );
  31                 } );
  32 };
  33
  34 // Document ready:
  35 $( function() {
  36
  37         // animate the SelectOrOther fields, to only show the text field when
  38         // 'other' is selected
  39         $( '.mw-htmlform-select-or-other' ).liveAndTestAtStart( function( instant ) {
  40                 var $other = $( '#' + $(this).attr( 'id' ) + '-other' );
  41                 $other = $other.add( $other.siblings( 'br' ) );
  42                 if ( $(this).val() == 'other' ) {
  43                         $other.goIn( instant );
  44                 } else {
  45                         $other.goOut( instant );
  46                 }
  47         });
  48
  49 });
  50
  51
  52 })( jQuery );