/*
 * jQuery Autocomplete plugin 1.1
 *
 * Copyright (c) 2009 Jörn Zaefferer
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * Revision: $Id: jquery.autocomplete.js 15 2009-08-22 10:30:27Z joern.zaefferer $
 */; (function($) {
$.fn.extend({ autocomplete: function(urlOrData, options) { var isUrl = typeof urlOrData == "string"; options = $.extend({}, $.Autocompleter.defaults, { url: isUrl ? urlOrData : null, data: isUrl ? null : urlOrData, delay: isUrl ? $.Autocompleter.defaults.delay : 10, max: options && !options.scroll ? 10 : 150 }, options); options.highlight = options.highlight || function(value) { return value; }; options.formatMatch = options.formatMatch || options.formatItem; return this.each(function() { new $.Autocompleter(this, options); }); }, result: function(handler) { return this.bind("result", handler); }, search: function(handler) { return this.trigger("search", [handler]); }, flushCache: function() { return this.trigger("flushCache"); }, setOptions: function(options) { return this.trigger("setOptions", [options]); }, unautocomplete: function() { return this.trigger("unautocomplete"); } }); $.Autocompleter = function(input, options) { var KEY = { UP: 38, DOWN: 40, DEL: 46, TAB: 9, RETURN: 13, ESC: 27, COMMA: 188, PAGEUP: 33, PAGEDOWN: 34, BACKSPACE: 8 }; var $input = $(input).attr("autocomplete", "off").addClass(options.inputClass); var timeout; var previousValue = ""; var cache = $.Autocompleter.Cache(options); var hasFocus = 0; var lastKeyPressCode; var config = { mouseDownOnSelect: false }; var select = $.Autocompleter.Select(options, input, selectCurrent, config); var blockSubmit; $.browser.opera && $(input.form).bind("submit.autocomplete", function() { if (blockSubmit) { blockSubmit = false; return false; } }); $input.bind(($.browser.opera ? "keypress" : "keydown") + ".autocomplete", function(event) { hasFocus = 1; lastKeyPressCode = event.keyCode; switch (event.keyCode) { case KEY.UP: event.preventDefault(); if (select.visible()) { select.prev(); } else { onChange(0, true); } break; case KEY.DOWN: event.preventDefault(); if (select.visible()) { select.next(); } else { onChange(0, true); } break; case KEY.PAGEUP: event.preventDefault(); if (select.visible()) { select.pageUp(); } else { onChange(0, true); } break; case KEY.PAGEDOWN: event.preventDefault(); if (select.visible()) { select.pageDown(); } else { onChange(0, true); } break; case options.multiple && $.trim(options.multipleSeparator) == "," && KEY.COMMA: case KEY.TAB: case KEY.RETURN: if (selectCurrent()) { event.preventDefault(); blockSubmit = true; return false; } break; case KEY.ESC: select.hide(); break; default: clearTimeout(timeout); timeout = setTimeout(onChange, options.delay); break; } }).focus(function() { hasFocus++; }).blur(function() { hasFocus = 0; if (!config.mouseDownOnSelect) { hideResults(); } }).click(function() { if (hasFocus++ > 1 && !select.visible()) { onChange(0, true); } }).bind("search", function() { var fn = (arguments.length > 1) ? arguments[1] : null; function findValueCallback(q, data) { var result; if (data && data.length) { for (var i = 0; i < data.length; i++) { if (data[i].result.toLowerCase() == q.toLowerCase()) { result = data[i]; break; } } } if (typeof fn == "function") fn(result); else $input.trigger("result", result && [result.data, result.value]); } $.each(trimWords($input.val()), function(i, value) { request(value, findValueCallback, findValueCallback); }); }).bind("flushCache", function() { cache.flush(); }).bind("setOptions", function() { $.extend(options, arguments[1]); if ("data" in arguments[1]) cache.populate(); }).bind("unautocomplete", function() { select.unbind(); $input.unbind(); $(input.form).unbind(".autocomplete"); }); function selectCurrent() { var selected = select.selected(); if (!selected) return false; var v = selected.result; previousValue = v; if (options.multiple) { var words = trimWords($input.val()); if (words.length > 1) { var seperator = options.multipleSeparator.length; var cursorAt = $(input).selection().start; var wordAt, progress = 0; $.each(words, function(i, word) { progress += word.length; if (cursorAt <= progress) { wordAt = i; return false; } progress += seperator; }); words[wordAt] = v; v = words.join(options.multipleSeparator); } v += options.multipleSeparator; } $input.val(v); hideResultsNow(); $input.trigger("result", [selected.data, selected.value]); return true; } function onChange(crap, skipPrevCheck) { if (lastKeyPressCode == KEY.DEL) { select.hide(); return; } var currentValue = $input.val(); if (!skipPrevCheck && currentValue == previousValue) return; previousValue = currentValue; currentValue = lastWord(currentValue); if (currentValue.length >= options.minChars) { $input.addClass(options.loadingClass); if (!options.matchCase) currentValue = currentValue.toLowerCase(); request(currentValue, receiveData, hideResultsNow); } else { stopLoading(); select.hide(); } }; function trimWords(value) { if (!value) return [""]; if (!options.multiple) return [$.trim(value)]; return $.map(value.split(options.multipleSeparator), function(word) { return $.trim(value).length ? $.trim(word) : null; }); } function lastWord(value) { if (!options.multiple) return value; var words = trimWords(value); if (words.length == 1) return words[0]; var cursorAt = $(input).selection().start; if (cursorAt == value.length) { words = trimWords(value) } else { words = trimWords(value.replace(value.substring(cursorAt), "")); } return words[words.length - 1]; } function autoFill(q, sValue) { if (options.autoFill && (lastWord($input.val()).toLowerCase() == q.toLowerCase()) && lastKeyPressCode != KEY.BACKSPACE) { $input.val($input.val() + sValue.substring(lastWord(previousValue).length)); $(input).selection(previousValue.length, previousValue.length + sValue.length); } }; function hideResults() { clearTimeout(timeout); timeout = setTimeout(hideResultsNow, 200); }; function hideResultsNow() { var wasVisible = select.visible(); select.hide(); clearTimeout(timeout); stopLoading(); if (options.mustMatch) { $input.search(function(result) { if (!result) { if (options.multiple) { var words = trimWords($input.val()).slice(0, -1); $input.val(words.join(options.multipleSeparator) + (words.length ? options.multipleSeparator : "")); } else { $input.val(""); $input.trigger("result", null); } } }); } }; function receiveData(q, data) { if (data && data.length && hasFocus) { stopLoading(); select.display(data, q); autoFill(q, data[0].value); select.show(); } else { hideResultsNow(); } }; function request(term, success, failure) { if (!options.matchCase) term = term.toLowerCase(); var data = cache.load(term); if (data && data.length) { success(term, data); } else if ((typeof options.url == "string") && (options.url.length > 0)) { var extraParams = { timestamp: +new Date() }; $.each(options.extraParams, function(key, param) { extraParams[key] = typeof param == "function" ? param() : param; }); $.ajax({ mode: "abort", type: options.method ? options.method : "get", port: "autocomplete" + input.name, dataType: options.dataType, url: options.url, data: $.extend({ q: lastWord(term), limit: options.max }, extraParams), success: function(data) { var parsed = options.parse && options.parse(data) || parse(data); cache.add(term, parsed); success(term, parsed); } }); } else { select.emptyList(); failure(term); } }; function parse(data) { var parsed = []; var rows = data.split("\n"); for (var i = 0; i < rows.length; i++) { var row = $.trim(rows[i]); if (row) { row = row.split("|"); parsed[parsed.length] = { data: row, value: row[0], result: options.formatResult && options.formatResult(row, row[0]) || row[0] }; } } return parsed; }; function stopLoading() { $input.removeClass(options.loadingClass); }; }; $.Autocompleter.defaults = { inputClass: "ac_input", method: "get", resultsClass: "ac_results", loadingClass: "ac_loading", minChars: 1, delay: 400, matchCase: false, matchSubset: true, matchContains: false, cacheLength: 10, max: 100, mustMatch: false, extraParams: {}, selectFirst: true, formatItem: function(row) { return row[0]; }, formatMatch: null, autoFill: false, width: 0, multiple: false, multipleSeparator: ", ", highlight: function(value, term) { return value.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + term.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1") + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "<strong>$1</strong>"); }, scroll: true, scrollHeight: 180 }; $.Autocompleter.Cache = function(options) {
         var data = {}; var length = 0; function matchSubset(s, sub) { if (!options.matchCase) s = s.toLowerCase(); var i = s.indexOf(sub); if (options.matchContains == "word") { i = s.toLowerCase().search("\\b" + sub.toLowerCase()); } if (i == -1) return false; return i == 0 || options.matchContains; }; function add(q, value) { if (length > options.cacheLength) { flush(); } if (!data[q]) { length++; } data[q] = value; } function populate() { if (!options.data) return false; var stMatchSets = {}, nullData = 0; if (!options.url) options.cacheLength = 1; stMatchSets[""] = []; for (var i = 0, ol = options.data.length; i < ol; i++) { var rawValue = options.data[i]; rawValue = (typeof rawValue == "string") ? [rawValue] : rawValue; var value = options.formatMatch(rawValue, i + 1, options.data.length); if (value === false) continue; var firstChar = value.charAt(0).toLowerCase(); if (!stMatchSets[firstChar]) stMatchSets[firstChar] = []; var row = { value: value, data: rawValue, result: options.formatResult && options.formatResult(rawValue) || value }; stMatchSets[firstChar].push(row); if (nullData++ < options.max) { stMatchSets[""].push(row); } }; $.each(stMatchSets, function(i, value) { options.cacheLength++; add(i, value); }); } setTimeout(populate, 25); function flush() { data = {}; length = 0; } return { flush: flush, add: add, populate: populate, load: function(q) {
             if (!options.cacheLength || !length) return null; if (!options.url && options.matchContains) { var csub = []; for (var k in data) { if (k.length > 0) { var c = data[k]; $.each(c, function(i, x) { if (matchSubset(x.value, q)) { csub.push(x); } }); } } return csub; } else
if(data[q]){return data[q];}else
if(options.matchSubset){for(var i=q.length-1;i>=options.minChars;i--){var c=data[q.substr(0,i)];if(c){var csub=[];$.each(c,function(i,x){if(matchSubset(x.value,q)){csub[csub.length]=x;}});return csub;}}}return null;}};};$.Autocompleter.Select=function(options,input,select,config){var CLASSES={ACTIVE:"ac_over"};var listItems,active=-1,data,term="",needsInit=true,element,list;function init(){if(!needsInit)return;element=$("<div/>").hide().addClass(options.resultsClass).css("position","absolute").appendTo(document.body);list=$("<ul/>").appendTo(element).mouseover(function(event){if(target(event).nodeName&&target(event).nodeName.toUpperCase()=='LI'){active=$("li",list).removeClass(CLASSES.ACTIVE).index(target(event));$(target(event)).addClass(CLASSES.ACTIVE);}}).click(function(event){$(target(event)).addClass(CLASSES.ACTIVE);select();input.focus();return false;}).mousedown(function(){config.mouseDownOnSelect=true;}).mouseup(function(){config.mouseDownOnSelect=false;});if(options.width>0)element.css("width",options.width);needsInit=false;}function target(event){var element=event.target;while(element&&element.tagName!="LI")element=element.parentNode;if(!element)return[];return element;}function moveSelect(step){listItems.slice(active,active+1).removeClass(CLASSES.ACTIVE);movePosition(step);var activeItem=listItems.slice(active,active+1).addClass(CLASSES.ACTIVE);if(options.scroll){var offset=0;listItems.slice(0,active).each(function(){offset+=this.offsetHeight;});if((offset+activeItem[0].offsetHeight-list.scrollTop())>list[0].clientHeight){list.scrollTop(offset+activeItem[0].offsetHeight-list.innerHeight());}else if(offset<list.scrollTop()){list.scrollTop(offset);}}};function movePosition(step){active+=step;if(active<0){active=listItems.size()-1;}else if(active>=listItems.size()){active=0;}}function limitNumberOfItems(available){return options.max&&options.max<available?options.max:available;}function fillList(){list.empty();var max=limitNumberOfItems(data.length);for(var i=0;i<max;i++){if(!data[i])continue;var formatted=options.formatItem(data[i].data,i+1,max,data[i].value,term);if(formatted===false)continue;var li=$("<li/>").html(options.highlight(formatted,term)).addClass(i%2==0?"ac_even":"ac_odd").appendTo(list)[0];$.data(li,"ac_data",data[i]);}listItems=list.find("li");if(options.selectFirst){listItems.slice(0,1).addClass(CLASSES.ACTIVE);active=0;}if($.fn.bgiframe)list.bgiframe();}return{display:function(d,q){init();data=d;term=q;fillList();},next:function(){moveSelect(1);},prev:function(){moveSelect(-1);},pageUp:function(){if(active!=0&&active-8<0){moveSelect(-active);}else{moveSelect(-8);}},pageDown:function(){if(active!=listItems.size()-1&&active+8>listItems.size()){moveSelect(listItems.size()-1-active);}else{moveSelect(8);}},hide:function(){element&&element.hide();listItems&&listItems.removeClass(CLASSES.ACTIVE);active=-1;},visible:function(){return element&&element.is(":visible");},current:function(){return this.visible()&&(listItems.filter("."+CLASSES.ACTIVE)[0]||options.selectFirst&&listItems[0]);},show:function(){var offset=$(input).offset();element.css({width:typeof options.width=="string"||options.width>0?options.width:$(input).width(),top:offset.top+input.offsetHeight,left:offset.left}).show();if(options.scroll){list.scrollTop(0);list.css({maxHeight:options.scrollHeight,overflow:'auto'});if($.browser.msie&&typeof document.body.style.maxHeight==="undefined"){var listHeight=0;listItems.each(function(){listHeight+=this.offsetHeight;});var scrollbarsVisible=listHeight>options.scrollHeight;list.css('height',scrollbarsVisible?options.scrollHeight:listHeight);if(!scrollbarsVisible){listItems.width(list.width()-parseInt(listItems.css("padding-left"))-parseInt(listItems.css("padding-right")));}}}},selected:function(){var selected=listItems&&listItems.filter("."+CLASSES.ACTIVE).removeClass(CLASSES.ACTIVE);return selected&&selected.length&&$.data(selected[0],"ac_data");},emptyList:function(){list&&list.empty();},unbind:function(){element&&element.remove();}};};$.fn.selection=function(start,end){if(start!==undefined){return this.each(function(){if(this.createTextRange){var selRange=this.createTextRange();if(end===undefined||start==end){selRange.move("character",start);selRange.select();}else{selRange.collapse(true);selRange.moveStart("character",start);selRange.moveEnd("character",end);selRange.select();}}else if(this.setSelectionRange){this.setSelectionRange(start,end);}else if(this.selectionStart){this.selectionStart=start;this.selectionEnd=end;}});}var field=this[0];if(field.createTextRange){var range=document.selection.createRange(),orig=field.value,teststring="<->",textLength=range.text.length;range.text=teststring;var caretAt=field.value.indexOf(teststring);field.value=orig;this.selection(caretAt,caretAt+textLength);return{start:caretAt,end:caretAt+textLength}}else if(field.selectionStart!==undefined){return{start:field.selectionStart,end:field.selectionEnd}}};})(jQuery);