;(
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){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($input.val());
if
(words.length>1){v=words.slice(0,words.length-1).join(options.multipleSeparator)+options.multipleSeparator+v;}v+=options.multipleSeparator;}$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&¤tValue==previousValue)
return
;previousValue=currentValue;currentValue=lastWord(currentValue);
if
(currentValue.length>=options.minChars){$input.addClass(options.loadingClass);
if
(!options.matchCase)currentValue=currentValue.toLowerCase();request(currentValue,receiveData,hideResultsNow);}
else
{stopLoading();select.hide();}};
function
trimWords(value){
if
(!value){
return
[
""
];}
var
words=value.split(options.multipleSeparator);
var
result=[];$.each(words,
function
(i,value){
if
($.trim(value))result[i]=$.trim(value);});
return
result;}
function
lastWord(value){
if
(!options.multiple)
return
value;
var
words=trimWords(value);
return
words[words.length-1];}
function
autoFill(q,sValue){
if
(options.autoFill&&(lastWord($input.val()).toLowerCase()==q.toLowerCase())&&lastKeyPressCode!=KEY.BACKSPACE){$input.val($input.val()+sValue.substring(lastWord(previousValue).length));$.Autocompleter.Selection(input,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
$input.val(
""
);}});}
if
(wasVisible)$.Autocompleter.Selection(input,input.value.length,input.value.length);};
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"
,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"
,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
(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();}};};$.Autocompleter.Selection=
function
(field,start,end){
if
(field.createTextRange){
var
selRange=field.createTextRange();selRange.collapse(
true
);selRange.moveStart(
"character"
,start);selRange.moveEnd(
"character"
,end);selRange.select();}
else
if
(field.setSelectionRange){field.setSelectionRange(start,end);}
else
{
if
(field.selectionStart){field.selectionStart=start;field.selectionEnd=end;}}field.focus();};})(jQuery);