search autocomplete
This commit is contained in:
Hipster Hitman
parent
2e762a7674
commit
47ee517b27
Binary file not shown.
|
After Width: | Height: | Size: 3.3 KiB |
|
|
@ -0,0 +1,390 @@
|
|||
/**
|
||||
* Ajax Autocomplete for jQuery, version 1.1.3
|
||||
* (c) 2010 Tomas Kirda
|
||||
*
|
||||
* Ajax Autocomplete for jQuery is freely distributable under the terms of an MIT-style license.
|
||||
* For details, see the web site: http://www.devbridge.com/projects/autocomplete/jquery/
|
||||
*
|
||||
* Last Review: 04/19/2010
|
||||
*/
|
||||
|
||||
/*jslint onevar: true, evil: true, nomen: true, eqeqeq: true, bitwise: true, regexp: true, newcap: true, immed: true */
|
||||
/*global window: true, document: true, clearInterval: true, setInterval: true, jQuery: true */
|
||||
|
||||
(function($) {
|
||||
|
||||
var reEscape = new RegExp('(\\' + ['/', '.', '*', '+', '?', '|', '(', ')', '[', ']', '{', '}', '\\'].join('|\\') + ')', 'g');
|
||||
|
||||
function fnFormatResult(value, data, currentValue) {
|
||||
var pattern = '(' + currentValue.replace(reEscape, '\\$1') + ')';
|
||||
return value.replace(new RegExp(pattern, 'gi'), '<strong>$1<\/strong>');
|
||||
}
|
||||
|
||||
function Autocomplete(el, options) {
|
||||
this.el = $(el);
|
||||
this.el.attr('autocomplete', 'off');
|
||||
this.suggestions = [];
|
||||
this.data = [];
|
||||
this.badQueries = [];
|
||||
this.selectedIndex = -1;
|
||||
this.currentValue = this.el.val();
|
||||
this.intervalId = 0;
|
||||
this.cachedResponse = [];
|
||||
this.onChangeInterval = null;
|
||||
this.ignoreValueChange = false;
|
||||
this.serviceUrl = options.serviceUrl;
|
||||
this.isLocal = false;
|
||||
this.options = {
|
||||
autoSubmit: false,
|
||||
minChars: 1,
|
||||
maxHeight: 300,
|
||||
deferRequestBy: 0,
|
||||
width: 0,
|
||||
highlight: true,
|
||||
params: {},
|
||||
fnFormatResult: fnFormatResult,
|
||||
delimiter: null,
|
||||
zIndex: 9999
|
||||
};
|
||||
this.initialize();
|
||||
this.setOptions(options);
|
||||
}
|
||||
|
||||
$.fn.autocomplete = function(options) {
|
||||
return new Autocomplete(this.get(0)||$('<input />'), options);
|
||||
};
|
||||
|
||||
|
||||
Autocomplete.prototype = {
|
||||
|
||||
killerFn: null,
|
||||
|
||||
initialize: function() {
|
||||
|
||||
var me, uid, autocompleteElId;
|
||||
me = this;
|
||||
uid = Math.floor(Math.random()*0x100000).toString(16);
|
||||
autocompleteElId = 'Autocomplete_' + uid;
|
||||
|
||||
this.killerFn = function(e) {
|
||||
if ($(e.target).parents('.autocomplete').size() === 0) {
|
||||
me.killSuggestions();
|
||||
me.disableKillerFn();
|
||||
}
|
||||
};
|
||||
|
||||
if (!this.options.width) { this.options.width = this.el.width(); }
|
||||
this.mainContainerId = 'AutocompleteContainter_' + uid;
|
||||
|
||||
$('<div id="' + this.mainContainerId + '" style="position:absolute;z-index:9999;"><div class="autocomplete-w1"><div class="autocomplete" id="' + autocompleteElId + '" style="display:none; width:300px;"></div></div></div>').appendTo('body');
|
||||
|
||||
this.container = $('#' + autocompleteElId);
|
||||
this.fixPosition();
|
||||
if (window.opera) {
|
||||
this.el.keypress(function(e) { me.onKeyPress(e); });
|
||||
} else {
|
||||
this.el.keydown(function(e) { me.onKeyPress(e); });
|
||||
}
|
||||
this.el.keyup(function(e) { me.onKeyUp(e); });
|
||||
this.el.blur(function() { me.enableKillerFn(); });
|
||||
this.el.focus(function() { me.fixPosition(); });
|
||||
},
|
||||
|
||||
setOptions: function(options){
|
||||
var o = this.options;
|
||||
$.extend(o, options);
|
||||
if(o.lookup){
|
||||
this.isLocal = true;
|
||||
if($.isArray(o.lookup)){ o.lookup = { suggestions:o.lookup, data:[] }; }
|
||||
}
|
||||
$('#'+this.mainContainerId).css({ zIndex:o.zIndex });
|
||||
this.container.css({ maxHeight: o.maxHeight + 'px', width:o.width });
|
||||
},
|
||||
|
||||
clearCache: function(){
|
||||
this.cachedResponse = [];
|
||||
this.badQueries = [];
|
||||
},
|
||||
|
||||
disable: function(){
|
||||
this.disabled = true;
|
||||
},
|
||||
|
||||
enable: function(){
|
||||
this.disabled = false;
|
||||
},
|
||||
|
||||
fixPosition: function() {
|
||||
var offset = this.el.offset();
|
||||
$('#' + this.mainContainerId).css({ top: (offset.top + this.el.innerHeight()) + 'px', left: offset.left + 'px' });
|
||||
},
|
||||
|
||||
enableKillerFn: function() {
|
||||
var me = this;
|
||||
$(document).bind('click', me.killerFn);
|
||||
},
|
||||
|
||||
disableKillerFn: function() {
|
||||
var me = this;
|
||||
$(document).unbind('click', me.killerFn);
|
||||
},
|
||||
|
||||
killSuggestions: function() {
|
||||
var me = this;
|
||||
this.stopKillSuggestions();
|
||||
this.intervalId = window.setInterval(function() { me.hide(); me.stopKillSuggestions(); }, 300);
|
||||
},
|
||||
|
||||
stopKillSuggestions: function() {
|
||||
window.clearInterval(this.intervalId);
|
||||
},
|
||||
|
||||
onKeyPress: function(e) {
|
||||
if (this.disabled || !this.enabled) { return; }
|
||||
// return will exit the function
|
||||
// and event will not be prevented
|
||||
switch (e.keyCode) {
|
||||
case 27: //KEY_ESC:
|
||||
this.el.val(this.currentValue);
|
||||
this.hide();
|
||||
break;
|
||||
case 9: //KEY_TAB:
|
||||
case 13: //KEY_RETURN:
|
||||
if (this.selectedIndex === -1) {
|
||||
this.hide();
|
||||
return;
|
||||
}
|
||||
this.select(this.selectedIndex);
|
||||
if(e.keyCode === 9){ return; }
|
||||
break;
|
||||
case 38: //KEY_UP:
|
||||
this.moveUp();
|
||||
break;
|
||||
case 40: //KEY_DOWN:
|
||||
this.moveDown();
|
||||
break;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
e.stopImmediatePropagation();
|
||||
e.preventDefault();
|
||||
},
|
||||
|
||||
onKeyUp: function(e) {
|
||||
if(this.disabled){ return; }
|
||||
switch (e.keyCode) {
|
||||
case 38: //KEY_UP:
|
||||
case 40: //KEY_DOWN:
|
||||
return;
|
||||
}
|
||||
clearInterval(this.onChangeInterval);
|
||||
if (this.currentValue !== this.el.val()) {
|
||||
if (this.options.deferRequestBy > 0) {
|
||||
// Defer lookup in case when value changes very quickly:
|
||||
var me = this;
|
||||
this.onChangeInterval = setInterval(function() { me.onValueChange(); }, this.options.deferRequestBy);
|
||||
} else {
|
||||
this.onValueChange();
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
onValueChange: function() {
|
||||
clearInterval(this.onChangeInterval);
|
||||
this.currentValue = this.el.val();
|
||||
var q = this.getQuery(this.currentValue);
|
||||
this.selectedIndex = -1;
|
||||
if (this.ignoreValueChange) {
|
||||
this.ignoreValueChange = false;
|
||||
return;
|
||||
}
|
||||
if (q === '' || q.length < this.options.minChars) {
|
||||
this.hide();
|
||||
} else {
|
||||
this.getSuggestions(q);
|
||||
}
|
||||
},
|
||||
|
||||
getQuery: function(val) {
|
||||
var d, arr;
|
||||
d = this.options.delimiter;
|
||||
if (!d) { return $.trim(val); }
|
||||
arr = val.split(d);
|
||||
return $.trim(arr[arr.length - 1]);
|
||||
},
|
||||
|
||||
getSuggestionsLocal: function(q) {
|
||||
var ret, arr, len, val, i;
|
||||
arr = this.options.lookup;
|
||||
len = arr.suggestions.length;
|
||||
ret = { suggestions:[], data:[] };
|
||||
q = q.toLowerCase();
|
||||
for(i=0; i< len; i++){
|
||||
val = arr.suggestions[i];
|
||||
if(val.toLowerCase().indexOf(q) === 0){
|
||||
ret.suggestions.push(val);
|
||||
ret.data.push(arr.data[i]);
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
},
|
||||
|
||||
getSuggestions: function(q) {
|
||||
var cr, me;
|
||||
cr = this.isLocal ? this.getSuggestionsLocal(q) : this.cachedResponse[q];
|
||||
if (cr && $.isArray(cr.suggestions)) {
|
||||
this.suggestions = cr.suggestions;
|
||||
this.data = cr.data;
|
||||
this.suggest();
|
||||
} else if (!this.isBadQuery(q)) {
|
||||
me = this;
|
||||
me.options.params.query = q;
|
||||
$.get(this.serviceUrl, me.options.params, function(txt) { me.processResponse(txt); }, 'text');
|
||||
}
|
||||
},
|
||||
|
||||
isBadQuery: function(q) {
|
||||
var i = this.badQueries.length;
|
||||
while (i--) {
|
||||
if (q.indexOf(this.badQueries[i]) === 0) { return true; }
|
||||
}
|
||||
return false;
|
||||
},
|
||||
|
||||
hide: function() {
|
||||
this.enabled = false;
|
||||
this.selectedIndex = -1;
|
||||
this.container.hide();
|
||||
},
|
||||
|
||||
suggest: function() {
|
||||
if (this.suggestions.length === 0) {
|
||||
this.hide();
|
||||
return;
|
||||
}
|
||||
|
||||
var me, len, div, f, v, i, s, mOver, mClick;
|
||||
me = this;
|
||||
len = this.suggestions.length;
|
||||
f = this.options.fnFormatResult;
|
||||
v = this.getQuery(this.currentValue);
|
||||
mOver = function(xi) { return function() { me.activate(xi); }; };
|
||||
mClick = function(xi) { return function() { me.select(xi); }; };
|
||||
this.container.hide().empty();
|
||||
for (i = 0; i < len; i++) {
|
||||
s = this.suggestions[i];
|
||||
div = $((me.selectedIndex === i ? '<div class="selected"' : '<div') + ' title="' + s + '">' + f(s, this.data[i], v) + '</div>');
|
||||
div.mouseover(mOver(i));
|
||||
div.click(mClick(i));
|
||||
this.container.append(div);
|
||||
}
|
||||
this.enabled = true;
|
||||
this.container.show();
|
||||
},
|
||||
|
||||
processResponse: function(text) {
|
||||
var response;
|
||||
try {
|
||||
response = eval('(' + text + ')');
|
||||
} catch (err) { return; }
|
||||
if (!$.isArray(response.data)) { response.data = []; }
|
||||
if(!this.options.noCache){
|
||||
this.cachedResponse[response.query] = response;
|
||||
if (response.suggestions.length === 0) { this.badQueries.push(response.query); }
|
||||
}
|
||||
if (response.query === this.getQuery(this.currentValue)) {
|
||||
this.suggestions = response.suggestions;
|
||||
this.data = response.data;
|
||||
this.suggest();
|
||||
}
|
||||
},
|
||||
|
||||
activate: function(index) {
|
||||
var divs, activeItem;
|
||||
divs = this.container.children();
|
||||
// Clear previous selection:
|
||||
if (this.selectedIndex !== -1 && divs.length > this.selectedIndex) {
|
||||
$(divs.get(this.selectedIndex)).removeClass();
|
||||
}
|
||||
this.selectedIndex = index;
|
||||
if (this.selectedIndex !== -1 && divs.length > this.selectedIndex) {
|
||||
activeItem = divs.get(this.selectedIndex);
|
||||
$(activeItem).addClass('selected');
|
||||
}
|
||||
return activeItem;
|
||||
},
|
||||
|
||||
deactivate: function(div, index) {
|
||||
div.className = '';
|
||||
if (this.selectedIndex === index) { this.selectedIndex = -1; }
|
||||
},
|
||||
|
||||
select: function(i) {
|
||||
var selectedValue, f;
|
||||
selectedValue = this.suggestions[i];
|
||||
if (selectedValue) {
|
||||
this.el.val(selectedValue);
|
||||
if (this.options.autoSubmit) {
|
||||
f = this.el.parents('form');
|
||||
if (f.length > 0) { f.get(0).submit(); }
|
||||
}
|
||||
this.ignoreValueChange = true;
|
||||
this.hide();
|
||||
this.onSelect(i);
|
||||
}
|
||||
},
|
||||
|
||||
moveUp: function() {
|
||||
if (this.selectedIndex === -1) { return; }
|
||||
if (this.selectedIndex === 0) {
|
||||
this.container.children().get(0).className = '';
|
||||
this.selectedIndex = -1;
|
||||
this.el.val(this.currentValue);
|
||||
return;
|
||||
}
|
||||
this.adjustScroll(this.selectedIndex - 1);
|
||||
},
|
||||
|
||||
moveDown: function() {
|
||||
if (this.selectedIndex === (this.suggestions.length - 1)) { return; }
|
||||
this.adjustScroll(this.selectedIndex + 1);
|
||||
},
|
||||
|
||||
adjustScroll: function(i) {
|
||||
var activeItem, offsetTop, upperBound, lowerBound;
|
||||
activeItem = this.activate(i);
|
||||
offsetTop = activeItem.offsetTop;
|
||||
upperBound = this.container.scrollTop();
|
||||
lowerBound = upperBound + this.options.maxHeight - 25;
|
||||
if (offsetTop < upperBound) {
|
||||
this.container.scrollTop(offsetTop);
|
||||
} else if (offsetTop > lowerBound) {
|
||||
this.container.scrollTop(offsetTop - this.options.maxHeight + 25);
|
||||
}
|
||||
this.el.val(this.getValue(this.suggestions[i]));
|
||||
},
|
||||
|
||||
onSelect: function(i) {
|
||||
var me, fn, s, d;
|
||||
me = this;
|
||||
fn = me.options.onSelect;
|
||||
s = me.suggestions[i];
|
||||
d = me.data[i];
|
||||
me.el.val(me.getValue(s));
|
||||
if ($.isFunction(fn)) { fn(s, d, me.el); }
|
||||
},
|
||||
|
||||
getValue: function(value){
|
||||
var del, currVal, arr, me;
|
||||
me = this;
|
||||
del = me.options.delimiter;
|
||||
if (!del) { return value; }
|
||||
currVal = me.currentValue;
|
||||
arr = currVal.split(del);
|
||||
if (arr.length === 1) { return value; }
|
||||
return currVal.substr(0, currVal.length - arr[arr.length - 1].length) + value;
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
}(jQuery));
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
|
||||
.autocomplete-w1 { background:url(img/shadow.png) no-repeat bottom right; position:absolute; top:0px; left:0px; margin:8px 0 0 6px; /* IE6 fix: */ _background:none; _margin:0; }
|
||||
.autocomplete { border:1px solid #999; background:#FFF; cursor:default; text-align:left; max-height:350px; overflow:auto; margin:-6px 6px 6px -6px; /* IE6 specific: */ _height:350px; _margin:0; _overflow-x:hidden; }
|
||||
.autocomplete .selected { background:#F0F0F0; }
|
||||
.autocomplete div { padding:2px 5px; white-space:nowrap; }
|
||||
.autocomplete strong { font-weight:normal; color:#3399FF; }
|
||||
Loading…
Reference in New Issue