/*
 * jQuery UI Autocomplete HTML Extension
 *
 * Copyright 2010, Scott González (http://scottgonzalez.com)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 *
 * http://github.com/scottgonzalez/jquery-ui-extensions
 */
(function($) {

	var proto = $.ui.autocomplete.prototype, initSource = proto._initSource;

	function filter(array, term) {
		var matcher = new RegExp($.ui.autocomplete.escapeRegex(term), "i");
		return $.grep(array, function(value) {
			return matcher.test($("<div>").html(value.label || value.value || value).text());
		});
	}

	$.extend( proto, {
		_initSource : function() {
			if (this.options.html && $.isArray(this.options.source)) {
				this.source = function(request, response) {
					response(filter(this.options.source, request.term));
				};
			} else {
				initSource.call(this);
			}
		},

		_renderItem : function(ul, item) {
			var regex = new RegExp(this.term,"ig");
			var withHighlight = (item.value+"<br/><i>"+item.label+"</i>").replace(regex, "<b>"+this.term+"</b>");
			return $("<li></li>").data("item.autocomplete", item).append(
					$("<a></a>")[this.options.html ? "html" : "text"](withHighlight)).appendTo(ul);
		}
	});

})(jQuery);