MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */


/** 
 * Test if an element has a certain class 
 * 
 * Description: Uses regular expressions and caching for better performance.
 * Maintainers: [[User:Mike Dillon]], [[User:R. Koot]], [[User:SG]] 
 *   
var hasClass = ( function() {
	var reCache = {};
	return function( element, className ) {
		return ( reCache[className] ? reCache[className] : ( reCache[className] = new RegExp( "(?:\\s|^)" + className + "(?:\\s|$)" ) ) ).test( element.className );
	};
})();
** */

/**
 * Test if an element has a certain class
 * @deprecated:  Use $(element).hasClass() instead.
 */
mw.log.deprecate( window, 'hasClass', function ( element, className ) {
	return $( element ).hasClass( className );
}, 'Use jQuery.hasClass() instead' );

/* Template:Infobox/image */
window.addOnloadHook(function() {
  $('.infobox-image .infobox-gallery > *:first-child img').addClass('selected');
  $('.infobox-preview:first-child').show();
  $('.infobox-image .infobox-gallery > *').click(function() {
    var index = $(this).index();
    var previews = $(this).closest('.infobox-image').find('.infobox-preview');
    if (index < previews.length) {
      $(this).parent().find('img').removeClass('selected');
      $(this).addClass('selected');
      previews.hide();
      $(previews[index]).show();
    }
  });
});