759 lines
19 KiB
JavaScript
759 lines
19 KiB
JavaScript
|
/*
|
||
|
|
* Autocomplete - jQuery plugin 1.0.2
|
||
|
|
*
|
||
|
|
* Copyright (c) 2007 Dylan Verheul, Dan G. Switzer, Anjesh Tuladhar, 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 5747 2008-06-25 18:30:55Z 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);
|
||
|
|
|
||
|
|
// if highlight is set to false, replace it with a do-nothing function
|
||
|
|
options.highlight = options.highlight || function(value) { return value; };
|
||
|
|
|
||
|
|
// if the formatMatch option is not specified, then use formatItem for backwards compatibility
|
||
|
|
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
|
||
|
|
};
|
||
|
|
|
||
|
|
// Create $ object for input element
|
||
|
|
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;
|
||
|
|
|
||
|
|
// prevent form submit in opera when selecting with return key
|
||
|
|
$.browser.opera && $(input.form).bind("submit.autocomplete", function() {
|
||
|
|
if (blockSubmit) {
|
||
|
|
blockSubmit = false;
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
// only opera doesn't trigger keydown multiple times while pressed, others don't work with keypress at all
|
||
|
|
$input.bind(($.browser.opera ? "keypress" : "keydown") + ".autocomplete", function(event) {
|
||
|
|
// track last key pressed
|
||
|
|
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;
|
||
|
|
|
||
|
|
// matches also semicolon
|
||
|
|
case options.multiple && $.trim(options.multipleSeparator) == "," && KEY.COMMA:
|
||
|
|
case KEY.TAB:
|
||
|
|
case KEY.RETURN:
|
||
|
|
if( selectCurrent() ) {
|
||
|
|
// stop default to prevent a form submit, Opera needs special handling
|
||
|
|
event.preventDefault();
|
||
|
|
blockSubmit = true;
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case KEY.ESC:
|
||
|
|
select.hide();
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
clearTimeout(timeout);
|
||
|
|
timeout = setTimeout(onChange, options.delay);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}).focus(function(){
|
||
|
|
// track whether the field has focus, we shouldn't process any
|
||
|
|
// results if the field no longer has focus
|
||
|
|
hasFocus++;
|
||
|
|
}).blur(function() {
|
||
|
|
hasFocus = 0;
|
||
|
|
if (!config.mouseDownOnSelect) {
|
||
|
|
hideResults();
|
||
|
|
}
|
||
|
|
}).click(function() {
|
||
|
|
// show select when clicking in a focused field
|
||
|
|
if ( hasFocus++ > 1 && !select.visible() ) {
|
||
|
|
onChange(0, true);
|
||
|
|
}
|
||
|
|
}).bind("search", function() {
|
||
|
|
// TODO why not just specifying both arguments?
|
||
|
|
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 we've updated the data, repopulate
|
||
|
|
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 && 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 [""];
|
||
|
|
}
|
||
|
|
var words = value.split( options.multipleSeparator );
|
||
|
|
var result = [];
|
||
|
|
$.each(words, function(i, value) {
|
||
|
|
if ( $.trim(value) )
|
||
|
|
result[i] = $.trim(value);
|
||
|
|
});
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
function lastWord(value) {
|
||
|
|
if ( !options.multiple )
|
||
|
|
return value;
|
||
|
|
var words = trimWords(value);
|
||
|
|
return words[words.length - 1];
|
||
|
|
}
|
||
|
|
|
||
|
|
// fills in the input box w/the first match (assumed to be the best match)
|
||
|
|
// q: the term entered
|
||
|
|
// sValue: the first matching result
|
||
|
|
function autoFill(q, sValue){
|
||
|
|
// autofill in the complete box w/the first match as long as the user hasn't entered in more data
|
||
|
|
// if the last user key pressed was backspace, don't autofill
|
||
|
|
if( options.autoFill && (lastWord($input.val()).toLowerCase() == q.toLowerCase()) && lastKeyPressCode != KEY.BACKSPACE ) {
|
||
|
|
// fill in the value (keep the case the user has typed)
|
||
|
|
$input.val($input.val() + sValue.substring(lastWord(previousValue).length));
|
||
|
|
// select the portion of the value not typed by the user (so the next character will erase)
|
||
|
|
$.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) {
|
||
|
|
// call search and run callback
|
||
|
|
$input.search(
|
||
|
|
function (result){
|
||
|
|
// if no value found, clear the input box
|
||
|
|
if( !result ) {
|
||
|
|
if (options.multiple) {
|
||
|
|
var words = trimWords($input.val()).slice(0, -1);
|
||
|
|
$input.val( words.join(options.multipleSeparator) + (words.length ? options.multipleSeparator : "") );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
$input.val( "" );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
);
|
||
|
|
}
|
||
|
|
if (wasVisible)
|
||
|
|
// position cursor at end of input field
|
||
|
|
$.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);
|
||
|
|
// recieve the cached data
|
||
|
|
if (data && data.length) {
|
||
|
|
success(term, data);
|
||
|
|
// if an AJAX url has been supplied, try loading the data now
|
||
|
|
} 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({
|
||
|
|
// try to leverage ajaxQueue plugin to abort previous requests
|
||
|
|
mode: "abort",
|
||
|
|
// limit abortion to this input
|
||
|
|
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 {
|
||
|
|
// if we have a failure, we need to empty the list -- this prevents the the [TAB] key from selecting the last successful match
|
||
|
|
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;
|
||
|
|
// track the matches
|
||
|
|
var stMatchSets = {},
|
||
|
|
nullData = 0;
|
||
|
|
|
||
|
|
// no url was specified, we need to adjust the cache length to make sure it fits the local data store
|
||
|
|
if( !options.url ) options.cacheLength = 1;
|
||
|
|
|
||
|
|
// track all options for minChars = 0
|
||
|
|
stMatchSets[""] = [];
|
||
|
|
|
||
|
|
// loop through the array and create a lookup structure
|
||
|
|
for ( var i = 0, ol = options.data.length; i < ol; i++ ) {
|
||
|
|
var rawValue = options.data[i];
|
||
|
|
// if rawValue is a string, make an array otherwise just reference the array
|
||
|
|
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 no lookup array for this character exists, look it up now
|
||
|
|
if( !stMatchSets[firstChar] )
|
||
|
|
stMatchSets[firstChar] = [];
|
||
|
|
|
||
|
|
// if the match is a string
|
||
|
|
var row = {
|
||
|
|
value: value,
|
||
|
|
data: rawValue,
|
||
|
|
result: options.formatResult && options.formatResult(rawValue) || value
|
||
|
|
};
|
||
|
|
|
||
|
|
// push the current match into the set list
|
||
|
|
stMatchSets[firstChar].push(row);
|
||
|
|
|
||
|
|
// keep track of minChars zero items
|
||
|
|
if ( nullData++ < options.max ) {
|
||
|
|
stMatchSets[""].push(row);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// add the data items to the cache
|
||
|
|
$.each(stMatchSets, function(i, value) {
|
||
|
|
// increase the cache size
|
||
|
|
options.cacheLength++;
|
||
|
|
// add to the cache
|
||
|
|
add(i, value);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// populate any existing data
|
||
|
|
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 dealing w/local data and matchContains than we must make sure
|
||
|
|
* to loop through all the data collections looking for matches
|
||
|
|
*/
|
||
|
|
if( !options.url && options.matchContains ){
|
||
|
|
// track all matches
|
||
|
|
var csub = [];
|
||
|
|
// loop through all the data grids for matches
|
||
|
|
for( var k in data ){
|
||
|
|
// don't search through the stMatchSets[""] (minChars: 0) cache
|
||
|
|
// this prevents duplicates
|
||
|
|
if( k.length > 0 ){
|
||
|
|
var c = data[k];
|
||
|
|
$.each(c, function(i, x) {
|
||
|
|
// if we've got a match, add it to the array
|
||
|
|
if (matchSubset(x.value, q)) {
|
||
|
|
csub.push(x);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return csub;
|
||
|
|
} else
|
||
|
|
// if the exact item exists, use it
|
||
|
|
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;
|
||
|
|
|
||
|
|
// Create results
|
||
|
|
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();
|
||
|
|
// TODO provide option to avoid setting focus again after selection? useful for cleanup-on-focus
|
||
|
|
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;
|
||
|
|
// more fun with IE, sometimes event.target is empty, just ignore it then
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
// apply bgiframe if available
|
||
|
|
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) {
|
||
|
|
// IE doesn't recalculate width when scrollbar disappears
|
||
|
|
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);
|