1Search = function(data, input, result) { 2 this.data = data; 3 this.$input = $(input); 4 this.$result = $(result); 5 6 this.$current = null; 7 this.$view = this.$result.parent(); 8 this.searcher = new Searcher(data.index); 9 this.init(); 10} 11 12Search.prototype = $.extend({}, Navigation, new function() { 13 var suid = 1; 14 15 this.init = function() { 16 var _this = this; 17 var observer = function() { 18 _this.search(_this.$input[0].value); 19 }; 20 this.$input.keyup(observer); 21 this.$input.click(observer); // mac's clear field 22 23 this.searcher.ready(function(results, isLast) { 24 _this.addResults(results, isLast); 25 }) 26 27 this.initNavigation(); 28 this.setNavigationActive(false); 29 } 30 31 this.search = function(value, selectFirstMatch) { 32 value = jQuery.trim(value).toLowerCase(); 33 if (value) { 34 this.setNavigationActive(true); 35 } else { 36 this.setNavigationActive(false); 37 } 38 39 if (value == '') { 40 this.lastQuery = value; 41 this.$result.empty(); 42 this.setNavigationActive(false); 43 } else if (value != this.lastQuery) { 44 this.lastQuery = value; 45 this.firstRun = true; 46 this.searcher.find(value); 47 } 48 } 49 50 this.addResults = function(results, isLast) { 51 var target = this.$result.get(0); 52 if (this.firstRun && (results.length > 0 || isLast)) { 53 this.$current = null; 54 this.$result.empty(); 55 } 56 57 for (var i=0, l = results.length; i < l; i++) { 58 target.appendChild(this.renderItem.call(this, results[i])); 59 }; 60 61 if (this.firstRun && results.length > 0) { 62 this.firstRun = false; 63 this.$current = $(target.firstChild); 64 this.$current.addClass('current'); 65 } 66 if (jQuery.browser.msie) this.$element[0].className += ''; 67 } 68 69 this.move = function(isDown) { 70 if (!this.$current) return; 71 var $next = this.$current[isDown ? 'next' : 'prev'](); 72 if ($next.length) { 73 this.$current.removeClass('current'); 74 $next.addClass('current'); 75 this.scrollIntoView($next[0], this.$view[0]); 76 this.$current = $next; 77 } 78 return true; 79 } 80 81 this.hlt = function(html) { 82 return this.escapeHTML(html). 83 replace(/\u0001/g, '<em>'). 84 replace(/\u0002/g, '</em>'); 85 } 86 87 this.escapeHTML = function(html) { 88 return html.replace(/[&<>]/g, function(c) { 89 return '&#' + c.charCodeAt(0) + ';'; 90 }); 91 } 92 93}); 94 95