Show More
select2.js
3728 lines
| 152.7 KiB
| application/javascript
|
JavascriptLexer
r1 | /* | ||
Copyright 2012 Igor Vaynberg | |||
Version: 3.5.4 Timestamp: Sun Aug 30 13:30:32 EDT 2015 | |||
This software is licensed under the Apache License, Version 2.0 (the "Apache License") or the GNU | |||
General Public License version 2 (the "GPL License"). You may choose either license to govern your | |||
use of this software only upon the condition that you accept all of the terms of either the Apache | |||
License or the GPL License. | |||
You may obtain a copy of the Apache License and the GPL License at: | |||
http://www.apache.org/licenses/LICENSE-2.0 | |||
http://www.gnu.org/licenses/gpl-2.0.html | |||
Unless required by applicable law or agreed to in writing, software distributed under the | |||
Apache License or the GPL License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR | |||
CONDITIONS OF ANY KIND, either express or implied. See the Apache License and the GPL License for | |||
the specific language governing permissions and limitations under the Apache License and the GPL License. | |||
*/ | |||
(function ($) { | |||
if(typeof $.fn.each2 == "undefined") { | |||
$.extend($.fn, { | |||
/* | |||
* 4-10 times faster .each replacement | |||
* use it carefully, as it overrides jQuery context of element on each iteration | |||
*/ | |||
each2 : function (c) { | |||
var j = $([0]), i = -1, l = this.length; | |||
while ( | |||
++i < l | |||
&& (j.context = j[0] = this[i]) | |||
&& c.call(j[0], i, j) !== false //"this"=DOM, i=index, j=jQuery object | |||
); | |||
return this; | |||
} | |||
}); | |||
} | |||
})(jQuery); | |||
(function ($, undefined) { | |||
"use strict"; | |||
/*global document, window, jQuery, console */ | |||
if (window.Select2 !== undefined) { | |||
return; | |||
} | |||
var AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer, | |||
lastMousePosition={x:0,y:0}, $document, scrollBarDimensions, | |||
KEY = { | |||
TAB: 9, | |||
ENTER: 13, | |||
ESC: 27, | |||
SPACE: 32, | |||
LEFT: 37, | |||
UP: 38, | |||
RIGHT: 39, | |||
DOWN: 40, | |||
SHIFT: 16, | |||
CTRL: 17, | |||
ALT: 18, | |||
PAGE_UP: 33, | |||
PAGE_DOWN: 34, | |||
HOME: 36, | |||
END: 35, | |||
BACKSPACE: 8, | |||
DELETE: 46, | |||
isArrow: function (k) { | |||
k = k.which ? k.which : k; | |||
switch (k) { | |||
case KEY.LEFT: | |||
case KEY.RIGHT: | |||
case KEY.UP: | |||
case KEY.DOWN: | |||
return true; | |||
} | |||
return false; | |||
}, | |||
isControl: function (e) { | |||
var k = e.which; | |||
switch (k) { | |||
case KEY.SHIFT: | |||
case KEY.CTRL: | |||
case KEY.ALT: | |||
return true; | |||
} | |||
if (e.metaKey) return true; | |||
return false; | |||
}, | |||
isFunctionKey: function (k) { | |||
k = k.which ? k.which : k; | |||
return k >= 112 && k <= 123; | |||
} | |||
}, | |||
MEASURE_SCROLLBAR_TEMPLATE = "<div class='select2-measure-scrollbar'></div>", | |||
DIACRITICS = {"\u24B6":"A","\uFF21":"A","\u00C0":"A","\u00C1":"A","\u00C2":"A","\u1EA6":"A","\u1EA4":"A","\u1EAA":"A","\u1EA8":"A","\u00C3":"A","\u0100":"A","\u0102":"A","\u1EB0":"A","\u1EAE":"A","\u1EB4":"A","\u1EB2":"A","\u0226":"A","\u01E0":"A","\u00C4":"A","\u01DE":"A","\u1EA2":"A","\u00C5":"A","\u01FA":"A","\u01CD":"A","\u0200":"A","\u0202":"A","\u1EA0":"A","\u1EAC":"A","\u1EB6":"A","\u1E00":"A","\u0104":"A","\u023A":"A","\u2C6F":"A","\uA732":"AA","\u00C6":"AE","\u01FC":"AE","\u01E2":"AE","\uA734":"AO","\uA736":"AU","\uA738":"AV","\uA73A":"AV","\uA73C":"AY","\u24B7":"B","\uFF22":"B","\u1E02":"B","\u1E04":"B","\u1E06":"B","\u0243":"B","\u0182":"B","\u0181":"B","\u24B8":"C","\uFF23":"C","\u0106":"C","\u0108":"C","\u010A":"C","\u010C":"C","\u00C7":"C","\u1E08":"C","\u0187":"C","\u023B":"C","\uA73E":"C","\u24B9":"D","\uFF24":"D","\u1E0A":"D","\u010E":"D","\u1E0C":"D","\u1E10":"D","\u1E12":"D","\u1E0E":"D","\u0110":"D","\u018B":"D","\u018A":"D","\u0189":"D","\uA779":"D","\u01F1":"DZ","\u01C4":"DZ","\u01F2":"Dz","\u01C5":"Dz","\u24BA":"E","\uFF25":"E","\u00C8":"E","\u00C9":"E","\u00CA":"E","\u1EC0":"E","\u1EBE":"E","\u1EC4":"E","\u1EC2":"E","\u1EBC":"E","\u0112":"E","\u1E14":"E","\u1E16":"E","\u0114":"E","\u0116":"E","\u00CB":"E","\u1EBA":"E","\u011A":"E","\u0204":"E","\u0206":"E","\u1EB8":"E","\u1EC6":"E","\u0228":"E","\u1E1C":"E","\u0118":"E","\u1E18":"E","\u1E1A":"E","\u0190":"E","\u018E":"E","\u24BB":"F","\uFF26":"F","\u1E1E":"F","\u0191":"F","\uA77B":"F","\u24BC":"G","\uFF27":"G","\u01F4":"G","\u011C":"G","\u1E20":"G","\u011E":"G","\u0120":"G","\u01E6":"G","\u0122":"G","\u01E4":"G","\u0193":"G","\uA7A0":"G","\uA77D":"G","\uA77E":"G","\u24BD":"H","\uFF28":"H","\u0124":"H","\u1E22":"H","\u1E26":"H","\u021E":"H","\u1E24":"H","\u1E28":"H","\u1E2A":"H","\u0126":"H","\u2C67":"H","\u2C75":"H","\uA78D":"H","\u24BE":"I","\uFF29":"I","\u00CC":"I","\u00CD":"I","\u00CE":"I","\u0128":"I","\u012A":"I","\u012C":"I","\u0130":"I","\u00CF":"I","\u1E2E":"I","\u1EC8":"I","\u01CF":"I","\u0208":"I","\u020A":"I","\u1ECA":"I","\u012E":"I","\u1E2C":"I","\u0197":"I","\u24BF":"J","\uFF2A":"J","\u0134":"J","\u0248":"J","\u24C0":"K","\uFF2B":"K","\u1E30":"K","\u01E8":"K","\u1E32":"K","\u0136":"K","\u1E34":"K","\u0198":"K","\u2C69":"K","\uA740":"K","\uA742":"K","\uA744":"K","\uA7A2":"K","\u24C1":"L","\uFF2C":"L","\u013F":"L","\u0139":"L","\u013D":"L","\u1E36":"L","\u1E38":"L","\u013B":"L","\u1E3C":"L","\u1E3A":"L","\u0141":"L","\u023D":"L","\u2C62":"L","\u2C60":"L","\uA748":"L","\uA746":"L","\uA780":"L","\u01C7":"LJ","\u01C8":"Lj","\u24C2":"M","\uFF2D":"M","\u1E3E":"M","\u1E40":"M","\u1E42":"M","\u2C6E":"M","\u019C":"M","\u24C3":"N","\uFF2E":"N","\u01F8":"N","\u0143":"N","\u00D1":"N","\u1E44":"N","\u0147":"N","\u1E46":"N","\u0145":"N","\u1E4A":"N","\u1E48":"N","\u0220":"N","\u019D":"N","\uA790":"N","\uA7A4":"N","\u01CA":"NJ","\u01CB":"Nj","\u24C4":"O","\uFF2F":"O","\u00D2":"O","\u00D3":"O","\u00D4":"O","\u1ED2":"O","\u1ED0":"O","\u1ED6":"O","\u1ED4":"O","\u00D5":"O","\u1E4C":"O","\u022C":"O","\u1E4E":"O","\u014C":"O","\u1E50":"O","\u1E52":"O","\u014E":"O","\u022E":"O","\u0230":"O","\u00D6":"O","\u022A":"O","\u1ECE":"O","\u0150":"O","\u01D1":"O","\u020C":"O","\u020E":"O","\u01A0":"O","\u1EDC":"O","\u1EDA":"O","\u1EE0":"O","\u1EDE":"O","\u1EE2":"O","\u1ECC":"O","\u1ED8":"O","\u01EA":"O","\u01EC":"O","\u00D8":"O","\u01FE":"O","\u0186":"O","\u019F":"O","\uA74A":"O","\uA74C":"O","\u01A2":"OI","\uA74E":"OO","\u0222":"OU","\u24C5":"P","\uFF30":"P","\u1E54":"P","\u1E56":"P","\u01A4":"P","\u2C63":"P","\uA750":"P","\uA752":"P","\uA754":"P","\u24C6":"Q","\uFF31":"Q","\uA756":"Q","\uA758":"Q","\u024A":"Q","\u24C7":"R","\uFF32":"R","\u0154":"R","\u1E58":"R","\u0158":"R","\u0210":"R","\u0212":"R","\u1E5A":"R","\u1E5C":"R","\u0156":"R","\u1E5E":"R","\u024C":"R","\u2C64":"R","\uA75A":"R","\uA7A6":"R","\uA782":"R","\u24C8":"S","\uFF33":"S","\u1E9E":"S","\u015A":"S","\u1E64":"S","\u015C":"S","\u1E60":"S","\u0160":"S","\u1E66":"S","\u1E62":"S","\u1E68":"S","\u0218":"S","\u015E":"S","\u2C7E":"S","\uA7A8":"S","\uA784":"S","\u24C9":"T","\uFF34":"T","\u1E6A":"T","\u0164":"T","\u1E6C":"T","\u021A":"T","\u0162":"T","\u1E70":"T","\u1E6E":"T","\u0166":"T","\u01AC":"T","\u01AE":"T","\u023E":"T","\uA786":"T","\uA728":"TZ","\u24CA":"U","\uFF35":"U","\u00D9":"U","\u00DA":"U","\u00DB":"U","\u0168":"U","\u1E78":"U","\u016A":"U","\u1E7A":"U","\u016C":"U","\u00DC":"U","\u01DB":"U","\u01D7":"U","\u01D5":"U","\u01D9":"U","\u1EE6":"U","\u016E":"U","\u0170":"U","\u01D3":"U","\u0214":"U","\u0216":"U","\u01AF":"U","\u1EEA":"U","\u1EE8":"U","\u1EEE":"U","\u1EEC":"U","\u1EF0":"U","\u1EE4":"U","\u1E72":"U","\u0172":"U","\u1E76":"U","\u1E74":"U","\u0244":"U","\u24CB":"V","\uFF36":"V","\u1E7C":"V","\u1E7E":"V","\u01B2":"V","\uA75E":"V","\u0245":"V","\uA760":"VY","\u24CC":"W","\uFF37":"W","\u1E80":"W","\u1E82":"W","\u0174":"W","\u1E86":"W","\u1E84":"W","\u1E88":"W","\u2C72":"W","\u24CD":"X","\uFF38":"X","\u1E8A":"X","\u1E8C":"X","\u24CE":"Y","\uFF39":"Y","\u1EF2":"Y","\u00DD":"Y","\u0176":"Y","\u1EF8":"Y","\u0232":"Y","\u1E8E":"Y","\u0178":"Y","\u1EF6":"Y","\u1EF4":"Y","\u01B3":"Y","\u024E":"Y","\u1EFE":"Y","\u24CF":"Z","\uFF3A":"Z","\u0179":"Z","\u1E90":"Z","\u017B":"Z","\u017D":"Z","\u1E92":"Z","\u1E94":"Z","\u01B5":"Z","\u0224":"Z","\u2C7F":"Z","\u2C6B":"Z","\uA762":"Z","\u24D0":"a","\uFF41":"a","\u1E9A":"a","\u00E0":"a","\u00E1":"a","\u00E2":"a","\u1EA7":"a","\u1EA5":"a","\u1EAB":"a","\u1EA9":"a","\u00E3":"a","\u0101":"a","\u0103":"a","\u1EB1":"a","\u1EAF":"a","\u1EB5":"a","\u1EB3":"a","\u0227":"a","\u01E1":"a","\u00E4":"a","\u01DF":"a","\u1EA3":"a","\u00E5":"a","\u01FB":"a","\u01CE":"a","\u0201":"a","\u0203":"a","\u1EA1":"a","\u1EAD":"a","\u1EB7":"a","\u1E01":"a","\u0105":"a","\u2C65":"a","\u0250":"a","\uA733":"aa","\u00E6":"ae","\u01FD":"ae","\u01E3":"ae","\uA735":"ao","\uA737":"au","\uA739":"av","\uA73B":"av","\uA73D":"ay","\u24D1":"b","\uFF42":"b","\u1E03":"b","\u1E05":"b","\u1E07":"b","\u0180":"b","\u0183":"b","\u0253":"b","\u24D2":"c","\uFF43":"c","\u0107":"c","\u0109":"c","\u010B":"c","\u010D":"c","\u00E7":"c","\u1E09":"c","\u0188":"c","\u023C":"c","\uA73F":"c","\u2184":"c","\u24D3":"d","\uFF44":"d","\u1E0B":"d","\u010F":"d","\u1E0D":"d","\u1E11":"d","\u1E13":"d","\u1E0F":"d","\u0111":"d","\u018C":"d","\u0256":"d","\u0257":"d","\uA77A":"d","\u01F3":"dz","\u01C6":"dz","\u24D4":"e","\uFF45":"e","\u00E8":"e","\u00E9":"e","\u00EA":"e","\u1EC1":"e","\u1EBF":"e","\u1EC5":"e","\u1EC3":"e","\u1EBD":"e","\u0113":"e","\u1E15":"e","\u1E17":"e","\u0115":"e","\u0117":"e","\u00EB":"e","\u1EBB":"e","\u011B":"e","\u0205":"e","\u0207":"e","\u1EB9":"e","\u1EC7":"e","\u0229":"e","\u1E1D":"e","\u0119":"e","\u1E19":"e","\u1E1B":"e","\u0247":"e","\u025B":"e","\u01DD":"e","\u24D5":"f","\uFF46":"f","\u1E1F":"f","\u0192":"f","\uA77C":"f","\u24D6":"g","\uFF47":"g","\u01F5":"g","\u011D":"g","\u1E21":"g","\u011F":"g","\u0121":"g","\u01E7":"g","\u0123":"g","\u01E5":"g","\u0260":"g","\uA7A1":"g","\u1D79":"g","\uA77F":"g","\u24D7":"h","\uFF48":"h","\u0125":"h","\u1E23":"h","\u1E27":"h","\u021F":"h","\u1E25":"h","\u1E29":"h","\u1E2B":"h","\u1E96":"h","\u0127":"h","\u2C68":"h","\u2C76":"h","\u0265":"h","\u0195":"hv","\u24D8":"i","\uFF49":"i","\u00EC":"i","\u00ED":"i","\u00EE":"i","\u0129":"i","\u012B":"i","\u012D":"i","\u00EF":"i","\u1E2F":"i","\u1EC9":"i","\u01D0":"i","\u0209":"i","\u020B":"i","\u1ECB":"i","\u012F":"i","\u1E2D":"i","\u0268":"i","\u0131":"i","\u24D9":"j","\uFF4A":"j","\u0135":"j","\u01F0":"j","\u0249":"j","\u24DA":"k","\uFF4B":"k","\u1E31":"k","\u01E9":"k","\u1E33":"k","\u0137":"k","\u1E35":"k","\u0199":"k","\u2C6A":"k","\uA741":"k","\uA743":"k","\uA745":"k","\uA7A3":"k","\u24DB":"l","\uFF4C":"l","\u0140":"l","\u013A":"l","\u013E":"l","\u1E37":"l","\u1E39":"l","\u013C":"l","\u1E3D":"l","\u1E3B":"l","\u017F":"l","\u0142":"l","\u019A":"l","\u026B":"l","\u2C61":"l","\uA749":"l","\uA781":"l","\uA747":"l","\u01C9":"lj","\u24DC":"m","\uFF4D":"m","\u1E3F":"m","\u1E41":"m","\u1E43":"m","\u0271":"m","\u026F":"m","\u24DD":"n","\uFF4E":"n","\u01F9":"n","\u0144":"n","\u00F1":"n","\u1E45":"n","\u0148":"n","\u1E47":"n","\u0146":"n","\u1E4B":"n","\u1E49":"n","\u019E":"n","\u0272":"n","\u0149":"n","\uA791":"n","\uA7A5":"n","\u01CC":"nj","\u24DE":"o","\uFF4F":"o","\u00F2":"o","\u00F3":"o","\u00F4":"o","\u1ED3":"o","\u1ED1":"o","\u1ED7":"o","\u1ED5":"o","\u00F5":"o","\u1E4D":"o","\u022D":"o","\u1E4F":"o","\u014D":"o","\u1E51":"o","\u1E53":"o","\u014F":"o","\u022F":"o","\u0231":"o","\u00F6":"o","\u022B":"o","\u1ECF":"o","\u0151":"o","\u01D2":"o","\u020D":"o","\u020F":"o","\u01A1":"o","\u1EDD":"o","\u1EDB":"o","\u1EE1":"o","\u1EDF":"o","\u1EE3":"o","\u1ECD":"o","\u1ED9":"o","\u01EB":"o","\u01ED":"o","\u00F8":"o","\u01FF":"o","\u0254":"o","\uA74B":"o","\uA74D":"o","\u0275":"o","\u01A3":"oi","\u0223":"ou","\uA74F":"oo","\u24DF":"p","\uFF50":"p","\u1E55":"p","\u1E57":"p","\u01A5":"p","\u1D7D":"p","\uA751":"p","\uA753":"p","\uA755":"p","\u24E0":"q","\uFF51":"q","\u024B":"q","\uA757":"q","\uA759":"q","\u24E1":"r","\uFF52":"r","\u0155":"r","\u1E59":"r","\u0159":"r","\u0211":"r","\u0213":"r","\u1E5B":"r","\u1E5D":"r","\u0157":"r","\u1E5F":"r","\u024D":"r","\u027D":"r","\uA75B":"r","\uA7A7":"r","\uA783":"r","\u24E2":"s","\uFF53":"s","\u00DF":"s","\u015B":"s","\u1E65":"s","\u015D":"s","\u1E61":"s","\u0161":"s","\u1E67":"s","\u1E63":"s","\u1E69":"s","\u0219":"s","\u015F":"s","\u023F":"s","\uA7A9":"s","\uA785":"s","\u1E9B":"s","\u24E3":"t","\uFF54":"t","\u1E6B":"t","\u1E97":"t","\u0165":"t","\u1E6D":"t","\u021B":"t","\u0163":"t","\u1E71":"t","\u1E6F":"t","\u0167":"t","\u01AD":"t","\u0288":"t","\u2C66":"t","\uA787":"t","\uA729":"tz","\u24E4":"u","\uFF55":"u","\u00F9":"u","\u00FA":"u","\u00FB":"u","\u0169":"u","\u1E79":"u","\u016B":"u","\u1E7B":"u","\u016D":"u","\u00FC":"u","\u01DC":"u","\u01D8":"u","\u01D6":"u","\u01DA":"u","\u1EE7":"u","\u016F":"u","\u0171":"u","\u01D4":"u","\u0215":"u","\u0217":"u","\u01B0":"u","\u1EEB":"u","\u1EE9":"u","\u1EEF":"u","\u1EED":"u","\u1EF1":"u","\u1EE5":"u","\u1E73":"u","\u0173":"u","\u1E77":"u","\u1E75":"u","\u0289":"u","\u24E5":"v","\uFF56":"v","\u1E7D":"v","\u1E7F":"v","\u028B":"v","\uA75F":"v","\u028C":"v","\uA761":"vy","\u24E6":"w","\uFF57":"w","\u1E81":"w","\u1E83":"w","\u0175":"w","\u1E87":"w","\u1E85":"w","\u1E98":"w","\u1E89":"w","\u2C73":"w","\u24E7":"x","\uFF58":"x","\u1E8B":"x","\u1E8D":"x","\u24E8":"y","\uFF59":"y","\u1EF3":"y","\u00FD":"y","\u0177":"y","\u1EF9":"y","\u0233":"y","\u1E8F":"y","\u00FF":"y","\u1EF7":"y","\u1E99":"y","\u1EF5":"y","\u01B4":"y","\u024F":"y","\u1EFF":"y","\u24E9":"z","\uFF5A":"z","\u017A":"z","\u1E91":"z","\u017C":"z","\u017E":"z","\u1E93":"z","\u1E95":"z","\u01B6":"z","\u0225":"z","\u0240":"z","\u2C6C":"z","\uA763":"z","\u0386":"\u0391","\u0388":"\u0395","\u0389":"\u0397","\u038A":"\u0399","\u03AA":"\u0399","\u038C":"\u039F","\u038E":"\u03A5","\u03AB":"\u03A5","\u038F":"\u03A9","\u03AC":"\u03B1","\u03AD":"\u03B5","\u03AE":"\u03B7","\u03AF":"\u03B9","\u03CA":"\u03B9","\u0390":"\u03B9","\u03CC":"\u03BF","\u03CD":"\u03C5","\u03CB":"\u03C5","\u03B0":"\u03C5","\u03C9":"\u03C9","\u03C2":"\u03C3"}; | |||
$document = $(document); | |||
nextUid=(function() { var counter=1; return function() { return counter++; }; }()); | |||
function reinsertElement(element) { | |||
var placeholder = $(document.createTextNode('')); | |||
element.before(placeholder); | |||
placeholder.before(element); | |||
placeholder.remove(); | |||
} | |||
function stripDiacritics(str) { | |||
// Used 'uni range + named function' from http://jsperf.com/diacritics/18 | |||
function match(a) { | |||
return DIACRITICS[a] || a; | |||
} | |||
return str.replace(/[^\u0000-\u007E]/g, match); | |||
} | |||
function indexOf(value, array) { | |||
var i = 0, l = array.length; | |||
for (; i < l; i = i + 1) { | |||
if (equal(value, array[i])) return i; | |||
} | |||
return -1; | |||
} | |||
function measureScrollbar () { | |||
var $template = $( MEASURE_SCROLLBAR_TEMPLATE ); | |||
$template.appendTo(document.body); | |||
var dim = { | |||
width: $template.width() - $template[0].clientWidth, | |||
height: $template.height() - $template[0].clientHeight | |||
}; | |||
$template.remove(); | |||
return dim; | |||
} | |||
/** | |||
* Compares equality of a and b | |||
* @param a | |||
* @param b | |||
*/ | |||
function equal(a, b) { | |||
if (a === b) return true; | |||
if (a === undefined || b === undefined) return false; | |||
if (a === null || b === null) return false; | |||
// Check whether 'a' or 'b' is a string (primitive or object). | |||
// The concatenation of an empty string (+'') converts its argument to a string's primitive. | |||
if (a.constructor === String) return a+'' === b+''; // a+'' - in case 'a' is a String object | |||
if (b.constructor === String) return b+'' === a+''; // b+'' - in case 'b' is a String object | |||
return false; | |||
} | |||
/** | |||
* Splits the string into an array of values, transforming each value. An empty array is returned for nulls or empty | |||
* strings | |||
* @param string | |||
* @param separator | |||
*/ | |||
function splitVal(string, separator, transform) { | |||
var val, i, l; | |||
if (string === null || string.length < 1) return []; | |||
val = string.split(separator); | |||
for (i = 0, l = val.length; i < l; i = i + 1) val[i] = transform(val[i]); | |||
return val; | |||
} | |||
function getSideBorderPadding(element) { | |||
return element.outerWidth(false) - element.width(); | |||
} | |||
function installKeyUpChangeEvent(element) { | |||
var key="keyup-change-value"; | |||
element.on("keydown", function () { | |||
if ($.data(element, key) === undefined) { | |||
$.data(element, key, element.val()); | |||
} | |||
}); | |||
element.on("keyup", function () { | |||
var val= $.data(element, key); | |||
if (val !== undefined && element.val() !== val) { | |||
$.removeData(element, key); | |||
element.trigger("keyup-change"); | |||
} | |||
}); | |||
} | |||
/** | |||
* filters mouse events so an event is fired only if the mouse moved. | |||
* | |||
* filters out mouse events that occur when mouse is stationary but | |||
* the elements under the pointer are scrolled. | |||
*/ | |||
function installFilteredMouseMove(element) { | |||
element.on("mousemove", function (e) { | |||
var lastpos = lastMousePosition; | |||
if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) { | |||
$(e.target).trigger("mousemove-filtered", e); | |||
} | |||
}); | |||
} | |||
/** | |||
* Debounces a function. Returns a function that calls the original fn function only if no invocations have been made | |||
* within the last quietMillis milliseconds. | |||
* | |||
* @param quietMillis number of milliseconds to wait before invoking fn | |||
* @param fn function to be debounced | |||
* @param ctx object to be used as this reference within fn | |||
* @return debounced version of fn | |||
*/ | |||
function debounce(quietMillis, fn, ctx) { | |||
ctx = ctx || undefined; | |||
var timeout; | |||
return function () { | |||
var args = arguments; | |||
window.clearTimeout(timeout); | |||
timeout = window.setTimeout(function() { | |||
fn.apply(ctx, args); | |||
}, quietMillis); | |||
}; | |||
} | |||
function installDebouncedScroll(threshold, element) { | |||
var notify = debounce(threshold, function (e) { element.trigger("scroll-debounced", e);}); | |||
element.on("scroll", function (e) { | |||
if (indexOf(e.target, element.get()) >= 0) notify(e); | |||
}); | |||
} | |||
function focus($el) { | |||
if ($el[0] === document.activeElement) return; | |||
/* set the focus in a 0 timeout - that way the focus is set after the processing | |||
of the current event has finished - which seems like the only reliable way | |||
to set focus */ | |||
window.setTimeout(function() { | |||
var el=$el[0], pos=$el.val().length, range; | |||
$el.focus(); | |||
/* make sure el received focus so we do not error out when trying to manipulate the caret. | |||
sometimes modals or others listeners may steal it after its set */ | |||
var isVisible = (el.offsetWidth > 0 || el.offsetHeight > 0); | |||
if (isVisible && el === document.activeElement) { | |||
/* after the focus is set move the caret to the end, necessary when we val() | |||
just before setting focus */ | |||
if(el.setSelectionRange) | |||
{ | |||
el.setSelectionRange(pos, pos); | |||
} | |||
else if (el.createTextRange) { | |||
range = el.createTextRange(); | |||
range.collapse(false); | |||
range.select(); | |||
} | |||
} | |||
}, 0); | |||
} | |||
function getCursorInfo(el) { | |||
el = $(el)[0]; | |||
var offset = 0; | |||
var length = 0; | |||
if ('selectionStart' in el) { | |||
offset = el.selectionStart; | |||
length = el.selectionEnd - offset; | |||
} else if ('selection' in document) { | |||
el.focus(); | |||
var sel = document.selection.createRange(); | |||
length = document.selection.createRange().text.length; | |||
sel.moveStart('character', -el.value.length); | |||
offset = sel.text.length - length; | |||
} | |||
return { offset: offset, length: length }; | |||
} | |||
function killEvent(event) { | |||
event.preventDefault(); | |||
event.stopPropagation(); | |||
} | |||
function killEventImmediately(event) { | |||
event.preventDefault(); | |||
event.stopImmediatePropagation(); | |||
} | |||
function measureTextWidth(e) { | |||
if (!sizer){ | |||
var style = e[0].currentStyle || window.getComputedStyle(e[0], null); | |||
sizer = $(document.createElement("div")).css({ | |||
position: "absolute", | |||
left: "-10000px", | |||
top: "-10000px", | |||
display: "none", | |||
fontSize: style.fontSize, | |||
fontFamily: style.fontFamily, | |||
fontStyle: style.fontStyle, | |||
fontWeight: style.fontWeight, | |||
letterSpacing: style.letterSpacing, | |||
textTransform: style.textTransform, | |||
whiteSpace: "nowrap" | |||
}); | |||
sizer.attr("class","select2-sizer"); | |||
$(document.body).append(sizer); | |||
} | |||
sizer.text(e.val()); | |||
return sizer.width(); | |||
} | |||
function syncCssClasses(dest, src, adapter) { | |||
var classes, replacements = [], adapted; | |||
classes = $.trim(dest.attr("class")); | |||
if (classes) { | |||
classes = '' + classes; // for IE which returns object | |||
$(classes.split(/\s+/)).each2(function() { | |||
if (this.indexOf("select2-") === 0) { | |||
replacements.push(this); | |||
} | |||
}); | |||
} | |||
classes = $.trim(src.attr("class")); | |||
if (classes) { | |||
classes = '' + classes; // for IE which returns object | |||
$(classes.split(/\s+/)).each2(function() { | |||
if (this.indexOf("select2-") !== 0) { | |||
adapted = adapter(this); | |||
if (adapted) { | |||
replacements.push(adapted); | |||
} | |||
} | |||
}); | |||
} | |||
dest.attr("class", replacements.join(" ")); | |||
} | |||
function markMatch(text, term, markup, escapeMarkup) { | |||
var match=stripDiacritics(text.toUpperCase()).indexOf(stripDiacritics(term.toUpperCase())), | |||
tl=term.length; | |||
if (match<0) { | |||
markup.push(escapeMarkup(text)); | |||
return; | |||
} | |||
markup.push(escapeMarkup(text.substring(0, match))); | |||
markup.push("<span class='select2-match'>"); | |||
markup.push(escapeMarkup(text.substring(match, match + tl))); | |||
markup.push("</span>"); | |||
markup.push(escapeMarkup(text.substring(match + tl, text.length))); | |||
} | |||
function defaultEscapeMarkup(markup) { | |||
var replace_map = { | |||
'\\': '\', | |||
'&': '&', | |||
'<': '<', | |||
'>': '>', | |||
'"': '"', | |||
"'": ''', | |||
"/": '/' | |||
}; | |||
return String(markup).replace(/[&<>"'\/\\]/g, function (match) { | |||
return replace_map[match]; | |||
}); | |||
} | |||
/** | |||
* Produces an ajax-based query function | |||
* | |||
* @param options object containing configuration parameters | |||
* @param options.params parameter map for the transport ajax call, can contain such options as cache, jsonpCallback, etc. see $.ajax | |||
* @param options.transport function that will be used to execute the ajax request. must be compatible with parameters supported by $.ajax | |||
* @param options.url url for the data | |||
* @param options.data a function(searchTerm, pageNumber, context) that should return an object containing query string parameters for the above url. | |||
* @param options.dataType request data type: ajax, jsonp, other datatypes supported by jQuery's $.ajax function or the transport function if specified | |||
* @param options.quietMillis (optional) milliseconds to wait before making the ajaxRequest, helps debounce the ajax function if invoked too often | |||
* @param options.results a function(remoteData, pageNumber, query) that converts data returned form the remote request to the format expected by Select2. | |||
* The expected format is an object containing the following keys: | |||
* results array of objects that will be used as choices | |||
* more (optional) boolean indicating whether there are more results available | |||
* Example: {results:[{id:1, text:'Red'},{id:2, text:'Blue'}], more:true} | |||
*/ | |||
function ajax(options) { | |||
var timeout, // current scheduled but not yet executed request | |||
handler = null, | |||
quietMillis = options.quietMillis || 100, | |||
ajaxUrl = options.url, | |||
self = this; | |||
return function (query) { | |||
window.clearTimeout(timeout); | |||
timeout = window.setTimeout(function () { | |||
var data = options.data, // ajax data function | |||
url = ajaxUrl, // ajax url string or function | |||
transport = options.transport || $.fn.select2.ajaxDefaults.transport, | |||
// deprecated - to be removed in 4.0 - use params instead | |||
deprecated = { | |||
type: options.type || 'GET', // set type of request (GET or POST) | |||
cache: options.cache || false, | |||
jsonpCallback: options.jsonpCallback||undefined, | |||
dataType: options.dataType||"json" | |||
}, | |||
params = $.extend({}, $.fn.select2.ajaxDefaults.params, deprecated); | |||
data = data ? data.call(self, query.term, query.page, query.context) : null; | |||
url = (typeof url === 'function') ? url.call(self, query.term, query.page, query.context) : url; | |||
if (handler && typeof handler.abort === "function") { handler.abort(); } | |||
if (options.params) { | |||
if ($.isFunction(options.params)) { | |||
$.extend(params, options.params.call(self)); | |||
} else { | |||
$.extend(params, options.params); | |||
} | |||
} | |||
$.extend(params, { | |||
url: url, | |||
dataType: options.dataType, | |||
data: data, | |||
success: function (data) { | |||
// TODO - replace query.page with query so users have access to term, page, etc. | |||
// added query as third paramter to keep backwards compatibility | |||
var results = options.results(data, query.page, query); | |||
query.callback(results); | |||
}, | |||
error: function(jqXHR, textStatus, errorThrown){ | |||
var results = { | |||
hasError: true, | |||
jqXHR: jqXHR, | |||
textStatus: textStatus, | |||
errorThrown: errorThrown | |||
}; | |||
query.callback(results); | |||
} | |||
}); | |||
handler = transport.call(self, params); | |||
}, quietMillis); | |||
}; | |||
} | |||
/** | |||
* Produces a query function that works with a local array | |||
* | |||
* @param options object containing configuration parameters. The options parameter can either be an array or an | |||
* object. | |||
* | |||
* If the array form is used it is assumed that it contains objects with 'id' and 'text' keys. | |||
* | |||
* If the object form is used it is assumed that it contains 'data' and 'text' keys. The 'data' key should contain | |||
* an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text' | |||
* key can either be a String in which case it is expected that each element in the 'data' array has a key with the | |||
* value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract | |||
* the text. | |||
*/ | |||
function local(options) { | |||
var data = options, // data elements | |||
dataText, | |||
tmp, | |||
text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search | |||
if ($.isArray(data)) { | |||
tmp = data; | |||
data = { results: tmp }; | |||
} | |||
if ($.isFunction(data) === false) { | |||
tmp = data; | |||
data = function() { return tmp; }; | |||
} | |||
var dataItem = data(); | |||
if (dataItem.text) { | |||
text = dataItem.text; | |||
// if text is not a function we assume it to be a key name | |||
if (!$.isFunction(text)) { | |||
dataText = dataItem.text; // we need to store this in a separate variable because in the next step data gets reset and data.text is no longer available | |||
text = function (item) { return item[dataText]; }; | |||
} | |||
} | |||
return function (query) { | |||
var t = query.term, filtered = { results: [] }, process; | |||
if (t === "") { | |||
query.callback(data()); | |||
return; | |||
} | |||
process = function(datum, collection) { | |||
var group, attr; | |||
datum = datum[0]; | |||
if (datum.children) { | |||
group = {}; | |||
for (attr in datum) { | |||
if (datum.hasOwnProperty(attr)) group[attr]=datum[attr]; | |||
} | |||
group.children=[]; | |||
$(datum.children).each2(function(i, childDatum) { process(childDatum, group.children); }); | |||
if (group.children.length || query.matcher(t, text(group), datum)) { | |||
collection.push(group); | |||
} | |||
} else { | |||
if (query.matcher(t, text(datum), datum)) { | |||
collection.push(datum); | |||
} | |||
} | |||
}; | |||
$(data().results).each2(function(i, datum) { process(datum, filtered.results); }); | |||
query.callback(filtered); | |||
}; | |||
} | |||
// TODO javadoc | |||
function tags(data) { | |||
var isFunc = $.isFunction(data); | |||
return function (query) { | |||
var t = query.term, filtered = {results: []}; | |||
var result = isFunc ? data(query) : data; | |||
if ($.isArray(result)) { | |||
$(result).each(function () { | |||
var isObject = this.text !== undefined, | |||
text = isObject ? this.text : this; | |||
if (t === "" || query.matcher(t, text)) { | |||
filtered.results.push(isObject ? this : {id: this, text: this}); | |||
} | |||
}); | |||
query.callback(filtered); | |||
} | |||
}; | |||
} | |||
/** | |||
* Checks if the formatter function should be used. | |||
* | |||
* Throws an error if it is not a function. Returns true if it should be used, | |||
* false if no formatting should be performed. | |||
* | |||
* @param formatter | |||
*/ | |||
function checkFormatter(formatter, formatterName) { | |||
if ($.isFunction(formatter)) return true; | |||
if (!formatter) return false; | |||
if (typeof(formatter) === 'string') return true; | |||
throw new Error(formatterName +" must be a string, function, or falsy value"); | |||
} | |||
/** | |||
* Returns a given value | |||
* If given a function, returns its output | |||
* | |||
* @param val string|function | |||
* @param context value of "this" to be passed to function | |||
* @returns {*} | |||
*/ | |||
function evaluate(val, context) { | |||
if ($.isFunction(val)) { | |||
var args = Array.prototype.slice.call(arguments, 2); | |||
return val.apply(context, args); | |||
} | |||
return val; | |||
} | |||
function countResults(results) { | |||
var count = 0; | |||
$.each(results, function(i, item) { | |||
if (item.children) { | |||
count += countResults(item.children); | |||
} else { | |||
count++; | |||
} | |||
}); | |||
return count; | |||
} | |||
/** | |||
* Default tokenizer. This function uses breaks the input on substring match of any string from the | |||
* opts.tokenSeparators array and uses opts.createSearchChoice to create the choice object. Both of those | |||
* two options have to be defined in order for the tokenizer to work. | |||
* | |||
* @param input text user has typed so far or pasted into the search field | |||
* @param selection currently selected choices | |||
* @param selectCallback function(choice) callback tho add the choice to selection | |||
* @param opts select2's opts | |||
* @return undefined/null to leave the current input unchanged, or a string to change the input to the returned value | |||
*/ | |||
function defaultTokenizer(input, selection, selectCallback, opts) { | |||
var original = input, // store the original so we can compare and know if we need to tell the search to update its text | |||
dupe = false, // check for whether a token we extracted represents a duplicate selected choice | |||
token, // token | |||
index, // position at which the separator was found | |||
i, l, // looping variables | |||
separator; // the matched separator | |||
if (!opts.createSearchChoice || !opts.tokenSeparators || opts.tokenSeparators.length < 1) return undefined; | |||
while (true) { | |||
index = -1; | |||
for (i = 0, l = opts.tokenSeparators.length; i < l; i++) { | |||
separator = opts.tokenSeparators[i]; | |||
index = input.indexOf(separator); | |||
if (index >= 0) break; | |||
} | |||
if (index < 0) break; // did not find any token separator in the input string, bail | |||
token = input.substring(0, index); | |||
input = input.substring(index + separator.length); | |||
if (token.length > 0) { | |||
token = opts.createSearchChoice.call(this, token, selection); | |||
if (token !== undefined && token !== null && opts.id(token) !== undefined && opts.id(token) !== null) { | |||
dupe = false; | |||
for (i = 0, l = selection.length; i < l; i++) { | |||
if (equal(opts.id(token), opts.id(selection[i]))) { | |||
dupe = true; break; | |||
} | |||
} | |||
if (!dupe) selectCallback(token); | |||
} | |||
} | |||
} | |||
if (original!==input) return input; | |||
} | |||
function cleanupJQueryElements() { | |||
var self = this; | |||
$.each(arguments, function (i, element) { | |||
self[element].remove(); | |||
self[element] = null; | |||
}); | |||
} | |||
/** | |||
* Creates a new class | |||
* | |||
* @param superClass | |||
* @param methods | |||
*/ | |||
function clazz(SuperClass, methods) { | |||
var constructor = function () {}; | |||
constructor.prototype = new SuperClass; | |||
constructor.prototype.constructor = constructor; | |||
constructor.prototype.parent = SuperClass.prototype; | |||
constructor.prototype = $.extend(constructor.prototype, methods); | |||
return constructor; | |||
} | |||
AbstractSelect2 = clazz(Object, { | |||
// abstract | |||
bind: function (func) { | |||
var self = this; | |||
return function () { | |||
func.apply(self, arguments); | |||
}; | |||
}, | |||
// abstract | |||
init: function (opts) { | |||
var results, search, resultsSelector = ".select2-results"; | |||
// prepare options | |||
this.opts = opts = this.prepareOpts(opts); | |||
this.id=opts.id; | |||
// destroy if called on an existing component | |||
if (opts.element.data("select2") !== undefined && | |||
opts.element.data("select2") !== null) { | |||
opts.element.data("select2").destroy(); | |||
} | |||
this.container = this.createContainer(); | |||
this.liveRegion = $('.select2-hidden-accessible'); | |||
if (this.liveRegion.length == 0) { | |||
this.liveRegion = $("<span>", { | |||
role: "status", | |||
"aria-live": "polite" | |||
}) | |||
.addClass("select2-hidden-accessible") | |||
.appendTo(document.body); | |||
} | |||
this.containerId="s2id_"+(opts.element.attr("id") || "autogen"+nextUid()); | |||
this.containerEventName= this.containerId | |||
.replace(/([.])/g, '_') | |||
.replace(/([;&,\-\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1'); | |||
this.container.attr("id", this.containerId); | |||
this.container.attr("title", opts.element.attr("title")); | |||
this.body = $(document.body); | |||
syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass); | |||
this.container.attr("style", opts.element.attr("style")); | |||
this.container.css(evaluate(opts.containerCss, this.opts.element)); | |||
this.container.addClass(evaluate(opts.containerCssClass, this.opts.element)); | |||
this.elementTabIndex = this.opts.element.attr("tabindex"); | |||
// swap container for the element | |||
this.opts.element | |||
.data("select2", this) | |||
.attr("tabindex", "-1") | |||
.before(this.container) | |||
.on("click.select2", killEvent); // do not leak click events | |||
this.container.data("select2", this); | |||
this.dropdown = this.container.find(".select2-drop"); | |||
syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass); | |||
this.dropdown.addClass(evaluate(opts.dropdownCssClass, this.opts.element)); | |||
this.dropdown.data("select2", this); | |||
this.dropdown.on("click", killEvent); | |||
this.results = results = this.container.find(resultsSelector); | |||
this.search = search = this.container.find("input.select2-input"); | |||
this.queryCount = 0; | |||
this.resultsPage = 0; | |||
this.context = null; | |||
// initialize the container | |||
this.initContainer(); | |||
this.container.on("click", killEvent); | |||
installFilteredMouseMove(this.results); | |||
this.dropdown.on("mousemove-filtered", resultsSelector, this.bind(this.highlightUnderEvent)); | |||
this.dropdown.on("touchstart touchmove touchend", resultsSelector, this.bind(function (event) { | |||
this._touchEvent = true; | |||
this.highlightUnderEvent(event); | |||
})); | |||
this.dropdown.on("touchmove", resultsSelector, this.bind(this.touchMoved)); | |||
this.dropdown.on("touchstart touchend", resultsSelector, this.bind(this.clearTouchMoved)); | |||
// Waiting for a click event on touch devices to select option and hide dropdown | |||
// otherwise click will be triggered on an underlying element | |||
this.dropdown.on('click', this.bind(function (event) { | |||
if (this._touchEvent) { | |||
this._touchEvent = false; | |||
this.selectHighlighted(); | |||
} | |||
})); | |||
installDebouncedScroll(80, this.results); | |||
this.dropdown.on("scroll-debounced", resultsSelector, this.bind(this.loadMoreIfNeeded)); | |||
// do not propagate change event from the search field out of the component | |||
$(this.container).on("change", ".select2-input", function(e) {e.stopPropagation();}); | |||
$(this.dropdown).on("change", ".select2-input", function(e) {e.stopPropagation();}); | |||
// if jquery.mousewheel plugin is installed we can prevent out-of-bounds scrolling of results via mousewheel | |||
if ($.fn.mousewheel) { | |||
results.mousewheel(function (e, delta, deltaX, deltaY) { | |||
var top = results.scrollTop(); | |||
if (deltaY > 0 && top - deltaY <= 0) { | |||
results.scrollTop(0); | |||
killEvent(e); | |||
} else if (deltaY < 0 && results.get(0).scrollHeight - results.scrollTop() + deltaY <= results.height()) { | |||
results.scrollTop(results.get(0).scrollHeight - results.height()); | |||
killEvent(e); | |||
} | |||
}); | |||
} | |||
installKeyUpChangeEvent(search); | |||
search.on("keyup-change input paste", this.bind(this.updateResults)); | |||
search.on("focus", function () { search.addClass("select2-focused"); }); | |||
search.on("blur", function () { search.removeClass("select2-focused");}); | |||
this.dropdown.on("mouseup", resultsSelector, this.bind(function (e) { | |||
if ($(e.target).closest(".select2-result-selectable").length > 0) { | |||
this.highlightUnderEvent(e); | |||
this.selectHighlighted(e); | |||
} | |||
})); | |||
// trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening | |||
// for mouse events outside of itself so it can close itself. since the dropdown is now outside the select2's | |||
// dom it will trigger the popup close, which is not what we want | |||
// focusin can cause focus wars between modals and select2 since the dropdown is outside the modal. | |||
this.dropdown.on("click mouseup mousedown touchstart touchend focusin", function (e) { e.stopPropagation(); }); | |||
this.lastSearchTerm = undefined; | |||
if ($.isFunction(this.opts.initSelection)) { | |||
// initialize selection based on the current value of the source element | |||
this.initSelection(); | |||
// if the user has provided a function that can set selection based on the value of the source element | |||
// we monitor the change event on the element and trigger it, allowing for two way synchronization | |||
this.monitorSource(); | |||
} | |||
if (opts.maximumInputLength !== null) { | |||
this.search.attr("maxlength", opts.maximumInputLength); | |||
} | |||
var disabled = opts.element.prop("disabled"); | |||
if (disabled === undefined) disabled = false; | |||
this.enable(!disabled); | |||
var readonly = opts.element.prop("readonly"); | |||
if (readonly === undefined) readonly = false; | |||
this.readonly(readonly); | |||
// Calculate size of scrollbar | |||
scrollBarDimensions = scrollBarDimensions || measureScrollbar(); | |||
this.autofocus = opts.element.prop("autofocus"); | |||
opts.element.prop("autofocus", false); | |||
if (this.autofocus) this.focus(); | |||
this.search.attr("placeholder", opts.searchInputPlaceholder); | |||
}, | |||
// abstract | |||
destroy: function () { | |||
var element=this.opts.element, select2 = element.data("select2"), self = this; | |||
this.close(); | |||
if (element.length && element[0].detachEvent && self._sync) { | |||
element.each(function () { | |||
if (self._sync) { | |||
this.detachEvent("onpropertychange", self._sync); | |||
} | |||
}); | |||
} | |||
if (this.propertyObserver) { | |||
this.propertyObserver.disconnect(); | |||
this.propertyObserver = null; | |||
} | |||
this._sync = null; | |||
if (select2 !== undefined) { | |||
select2.container.remove(); | |||
select2.liveRegion.remove(); | |||
select2.dropdown.remove(); | |||
element.removeData("select2") | |||
.off(".select2"); | |||
if (!element.is("input[type='hidden']")) { | |||
element | |||
.show() | |||
.prop("autofocus", this.autofocus || false); | |||
if (this.elementTabIndex) { | |||
element.attr({tabindex: this.elementTabIndex}); | |||
} else { | |||
element.removeAttr("tabindex"); | |||
} | |||
element.show(); | |||
} else { | |||
element.css("display", ""); | |||
} | |||
} | |||
cleanupJQueryElements.call(this, | |||
"container", | |||
"liveRegion", | |||
"dropdown", | |||
"results", | |||
"search" | |||
); | |||
}, | |||
// abstract | |||
optionToData: function(element) { | |||
if (element.is("option")) { | |||
return { | |||
id:element.prop("value"), | |||
text:element.text(), | |||
element: element.get(), | |||
css: element.attr("class"), | |||
disabled: element.prop("disabled"), | |||
locked: equal(element.attr("locked"), "locked") || equal(element.data("locked"), true) | |||
}; | |||
} else if (element.is("optgroup")) { | |||
return { | |||
text:element.attr("label"), | |||
children:[], | |||
element: element.get(), | |||
css: element.attr("class") | |||
}; | |||
} | |||
}, | |||
// abstract | |||
prepareOpts: function (opts) { | |||
var element, select, idKey, ajaxUrl, self = this; | |||
element = opts.element; | |||
if (element.get(0).tagName.toLowerCase() === "select") { | |||
this.select = select = opts.element; | |||
} | |||
if (select) { | |||
// these options are not allowed when attached to a select because they are picked up off the element itself | |||
$.each(["id", "multiple", "ajax", "query", "createSearchChoice", "initSelection", "data", "tags"], function () { | |||
if (this in opts) { | |||
throw new Error("Option '" + this + "' is not allowed for Select2 when attached to a <select> element."); | |||
} | |||
}); | |||
} | |||
opts.debug = opts.debug || $.fn.select2.defaults.debug; | |||
// Warnings for options renamed/removed in Select2 4.0.0 | |||
// Only when it's enabled through debug mode | |||
if (opts.debug && console && console.warn) { | |||
// id was removed | |||
if (opts.id != null) { | |||
console.warn( | |||
'Select2: The `id` option has been removed in Select2 4.0.0, ' + | |||
'consider renaming your `id` property or mapping the property before your data makes it to Select2. ' + | |||
'You can read more at https://select2.github.io/announcements-4.0.html#changed-id' | |||
); | |||
} | |||
// text was removed | |||
if (opts.text != null) { | |||
console.warn( | |||
'Select2: The `text` option has been removed in Select2 4.0.0, ' + | |||
'consider renaming your `text` property or mapping the property before your data makes it to Select2. ' + | |||
'You can read more at https://select2.github.io/announcements-4.0.html#changed-id' | |||
); | |||
} | |||
// sortResults was renamed to results | |||
if (opts.sortResults != null) { | |||
console.warn( | |||
'Select2: the `sortResults` option has been renamed to `sorter` in Select2 4.0.0. ' | |||
); | |||
} | |||
// selectOnBlur was renamed to selectOnClose | |||
if (opts.selectOnBlur != null) { | |||
console.warn( | |||
'Select2: The `selectOnBlur` option has been renamed to `selectOnClose` in Select2 4.0.0.' | |||
); | |||
} | |||
// ajax.results was renamed to ajax.processResults | |||
if (opts.ajax != null && opts.ajax.results != null) { | |||
console.warn( | |||
'Select2: The `ajax.results` option has been renamed to `ajax.processResults` in Select2 4.0.0.' | |||
); | |||
} | |||
// format* options were renamed to language.* | |||
if (opts.formatNoResults != null) { | |||
console.warn( | |||
'Select2: The `formatNoResults` option has been renamed to `language.noResults` in Select2 4.0.0.' | |||
); | |||
} | |||
if (opts.formatSearching != null) { | |||
console.warn( | |||
'Select2: The `formatSearching` option has been renamed to `language.searching` in Select2 4.0.0.' | |||
); | |||
} | |||
if (opts.formatInputTooShort != null) { | |||
console.warn( | |||
'Select2: The `formatInputTooShort` option has been renamed to `language.inputTooShort` in Select2 4.0.0.' | |||
); | |||
} | |||
if (opts.formatInputTooLong != null) { | |||
console.warn( | |||
'Select2: The `formatInputTooLong` option has been renamed to `language.inputTooLong` in Select2 4.0.0.' | |||
); | |||
} | |||
if (opts.formatLoading != null) { | |||
console.warn( | |||
'Select2: The `formatLoading` option has been renamed to `language.loadingMore` in Select2 4.0.0.' | |||
); | |||
} | |||
if (opts.formatSelectionTooBig != null) { | |||
console.warn( | |||
'Select2: The `formatSelectionTooBig` option has been renamed to `language.maximumSelected` in Select2 4.0.0.' | |||
); | |||
} | |||
if (opts.element.data('select2Tags')) { | |||
console.warn( | |||
'Select2: The `data-select2-tags` attribute has been renamed to `data-tags` in Select2 4.0.0.' | |||
); | |||
} | |||
} | |||
// Aliasing options renamed in Select2 4.0.0 | |||
// data-select2-tags -> data-tags | |||
if (opts.element.data('tags') != null) { | |||
var elemTags = opts.element.data('tags'); | |||
// data-tags should actually be a boolean | |||
if (!$.isArray(elemTags)) { | |||
elemTags = []; | |||
} | |||
opts.element.data('select2Tags', elemTags); | |||
} | |||
// sortResults -> sorter | |||
if (opts.sorter != null) { | |||
opts.sortResults = opts.sorter; | |||
} | |||
// selectOnBlur -> selectOnClose | |||
if (opts.selectOnClose != null) { | |||
opts.selectOnBlur = opts.selectOnClose; | |||
} | |||
// ajax.results -> ajax.processResults | |||
if (opts.ajax != null) { | |||
if ($.isFunction(opts.ajax.processResults)) { | |||
opts.ajax.results = opts.ajax.processResults; | |||
} | |||
} | |||
// Formatters/language options | |||
if (opts.language != null) { | |||
var lang = opts.language; | |||
// formatNoMatches -> language.noMatches | |||
if ($.isFunction(lang.noMatches)) { | |||
opts.formatNoMatches = lang.noMatches; | |||
} | |||
// formatSearching -> language.searching | |||
if ($.isFunction(lang.searching)) { | |||
opts.formatSearching = lang.searching; | |||
} | |||
// formatInputTooShort -> language.inputTooShort | |||
if ($.isFunction(lang.inputTooShort)) { | |||
opts.formatInputTooShort = lang.inputTooShort; | |||
} | |||
// formatInputTooLong -> language.inputTooLong | |||
if ($.isFunction(lang.inputTooLong)) { | |||
opts.formatInputTooLong = lang.inputTooLong; | |||
} | |||
// formatLoading -> language.loadingMore | |||
if ($.isFunction(lang.loadingMore)) { | |||
opts.formatLoading = lang.loadingMore; | |||
} | |||
// formatSelectionTooBig -> language.maximumSelected | |||
if ($.isFunction(lang.maximumSelected)) { | |||
opts.formatSelectionTooBig = lang.maximumSelected; | |||
} | |||
} | |||
opts = $.extend({}, { | |||
populateResults: function(container, results, query) { | |||
var populate, id=this.opts.id, liveRegion=this.liveRegion; | |||
populate=function(results, container, depth) { | |||
var i, l, result, selectable, disabled, compound, node, label, innerContainer, formatted; | |||
results = opts.sortResults(results, container, query); | |||
// collect the created nodes for bulk append | |||
var nodes = []; | |||
for (i = 0, l = results.length; i < l; i = i + 1) { | |||
result=results[i]; | |||
disabled = (result.disabled === true); | |||
selectable = (!disabled) && (id(result) !== undefined); | |||
compound=result.children && result.children.length > 0; | |||
node=$("<li></li>"); | |||
node.addClass("select2-results-dept-"+depth); | |||
node.addClass("select2-result"); | |||
node.addClass(selectable ? "select2-result-selectable" : "select2-result-unselectable"); | |||
if (disabled) { node.addClass("select2-disabled"); } | |||
if (compound) { node.addClass("select2-result-with-children"); } | |||
node.addClass(self.opts.formatResultCssClass(result)); | |||
node.attr("role", "presentation"); | |||
label=$(document.createElement("div")); | |||
label.addClass("select2-result-label"); | |||
label.attr("id", "select2-result-label-" + nextUid()); | |||
label.attr("role", "option"); | |||
formatted=opts.formatResult(result, label, query, self.opts.escapeMarkup); | |||
if (formatted!==undefined) { | |||
label.html(formatted); | |||
node.append(label); | |||
} | |||
if (compound) { | |||
innerContainer=$("<ul></ul>"); | |||
innerContainer.addClass("select2-result-sub"); | |||
populate(result.children, innerContainer, depth+1); | |||
node.append(innerContainer); | |||
} | |||
node.data("select2-data", result); | |||
nodes.push(node[0]); | |||
} | |||
// bulk append the created nodes | |||
container.append(nodes); | |||
liveRegion.text(opts.formatMatches(results.length)); | |||
}; | |||
populate(results, container, 0); | |||
} | |||
}, $.fn.select2.defaults, opts); | |||
if (typeof(opts.id) !== "function") { | |||
idKey = opts.id; | |||
opts.id = function (e) { return e[idKey]; }; | |||
} | |||
if ($.isArray(opts.element.data("select2Tags"))) { | |||
if ("tags" in opts) { | |||
throw "tags specified as both an attribute 'data-select2-tags' and in options of Select2 " + opts.element.attr("id"); | |||
} | |||
opts.tags=opts.element.data("select2Tags"); | |||
} | |||
if (select) { | |||
opts.query = this.bind(function (query) { | |||
var data = { results: [], more: false }, | |||
term = query.term, | |||
children, placeholderOption, process; | |||
process=function(element, collection) { | |||
var group; | |||
if (element.is("option")) { | |||
if (query.matcher(term, element.text(), element)) { | |||
collection.push(self.optionToData(element)); | |||
} | |||
} else if (element.is("optgroup")) { | |||
group=self.optionToData(element); | |||
element.children().each2(function(i, elm) { process(elm, group.children); }); | |||
if (group.children.length>0) { | |||
collection.push(group); | |||
} | |||
} | |||
}; | |||
children=element.children(); | |||
// ignore the placeholder option if there is one | |||
if (this.getPlaceholder() !== undefined && children.length > 0) { | |||
placeholderOption = this.getPlaceholderOption(); | |||
if (placeholderOption) { | |||
children=children.not(placeholderOption); | |||
} | |||
} | |||
children.each2(function(i, elm) { process(elm, data.results); }); | |||
query.callback(data); | |||
}); | |||
// this is needed because inside val() we construct choices from options and their id is hardcoded | |||
opts.id=function(e) { return e.id; }; | |||
} else { | |||
if (!("query" in opts)) { | |||
if ("ajax" in opts) { | |||
ajaxUrl = opts.element.data("ajax-url"); | |||
if (ajaxUrl && ajaxUrl.length > 0) { | |||
opts.ajax.url = ajaxUrl; | |||
} | |||
opts.query = ajax.call(opts.element, opts.ajax); | |||
} else if ("data" in opts) { | |||
opts.query = local(opts.data); | |||
} else if ("tags" in opts) { | |||
opts.query = tags(opts.tags); | |||
if (opts.createSearchChoice === undefined) { | |||
opts.createSearchChoice = function (term) { return {id: $.trim(term), text: $.trim(term)}; }; | |||
} | |||
if (opts.initSelection === undefined) { | |||
opts.initSelection = function (element, callback) { | |||
var data = []; | |||
$(splitVal(element.val(), opts.separator, opts.transformVal)).each(function () { | |||
var obj = { id: this, text: this }, | |||
tags = opts.tags; | |||
if ($.isFunction(tags)) tags=tags(); | |||
$(tags).each(function() { if (equal(this.id, obj.id)) { obj = this; return false; } }); | |||
data.push(obj); | |||
}); | |||
callback(data); | |||
}; | |||
} | |||
} | |||
} | |||
} | |||
if (typeof(opts.query) !== "function") { | |||
throw "query function not defined for Select2 " + opts.element.attr("id"); | |||
} | |||
if (opts.createSearchChoicePosition === 'top') { | |||
opts.createSearchChoicePosition = function(list, item) { list.unshift(item); }; | |||
} | |||
else if (opts.createSearchChoicePosition === 'bottom') { | |||
opts.createSearchChoicePosition = function(list, item) { list.push(item); }; | |||
} | |||
else if (typeof(opts.createSearchChoicePosition) !== "function") { | |||
throw "invalid createSearchChoicePosition option must be 'top', 'bottom' or a custom function"; | |||
} | |||
return opts; | |||
}, | |||
/** | |||
* Monitor the original element for changes and update select2 accordingly | |||
*/ | |||
// abstract | |||
monitorSource: function () { | |||
var el = this.opts.element, observer, self = this; | |||
el.on("change.select2", this.bind(function (e) { | |||
if (this.opts.element.data("select2-change-triggered") !== true) { | |||
this.initSelection(); | |||
} | |||
})); | |||
this._sync = this.bind(function () { | |||
// sync enabled state | |||
var disabled = el.prop("disabled"); | |||
if (disabled === undefined) disabled = false; | |||
this.enable(!disabled); | |||
var readonly = el.prop("readonly"); | |||
if (readonly === undefined) readonly = false; | |||
this.readonly(readonly); | |||
if (this.container) { | |||
syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass); | |||
this.container.addClass(evaluate(this.opts.containerCssClass, this.opts.element)); | |||
} | |||
if (this.dropdown) { | |||
syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass); | |||
this.dropdown.addClass(evaluate(this.opts.dropdownCssClass, this.opts.element)); | |||
} | |||
}); | |||
// IE8-10 (IE9/10 won't fire propertyChange via attachEventListener) | |||
if (el.length && el[0].attachEvent) { | |||
el.each(function() { | |||
this.attachEvent("onpropertychange", self._sync); | |||
}); | |||
} | |||
// safari, chrome, firefox, IE11 | |||
observer = window.MutationObserver || window.WebKitMutationObserver|| window.MozMutationObserver; | |||
if (observer !== undefined) { | |||
if (this.propertyObserver) { delete this.propertyObserver; this.propertyObserver = null; } | |||
this.propertyObserver = new observer(function (mutations) { | |||
$.each(mutations, self._sync); | |||
}); | |||
this.propertyObserver.observe(el.get(0), { attributes:true, subtree:false }); | |||
} | |||
}, | |||
// abstract | |||
triggerSelect: function(data) { | |||
var evt = $.Event("select2-selecting", { val: this.id(data), object: data, choice: data }); | |||
this.opts.element.trigger(evt); | |||
return !evt.isDefaultPrevented(); | |||
}, | |||
/** | |||
* Triggers the change event on the source element | |||
*/ | |||
// abstract | |||
triggerChange: function (details) { | |||
details = details || {}; | |||
details= $.extend({}, details, { type: "change", val: this.val() }); | |||
// prevents recursive triggering | |||
this.opts.element.data("select2-change-triggered", true); | |||
this.opts.element.trigger(details); | |||
this.opts.element.data("select2-change-triggered", false); | |||
// some validation frameworks ignore the change event and listen instead to keyup, click for selects | |||
// so here we trigger the click event manually | |||
this.opts.element.click(); | |||
// ValidationEngine ignores the change event and listens instead to blur | |||
// so here we trigger the blur event manually if so desired | |||
if (this.opts.blurOnChange) | |||
this.opts.element.blur(); | |||
}, | |||
//abstract | |||
isInterfaceEnabled: function() | |||
{ | |||
return this.enabledInterface === true; | |||
}, | |||
// abstract | |||
enableInterface: function() { | |||
var enabled = this._enabled && !this._readonly, | |||
disabled = !enabled; | |||
if (enabled === this.enabledInterface) return false; | |||
this.container.toggleClass("select2-container-disabled", disabled); | |||
this.close(); | |||
this.enabledInterface = enabled; | |||
return true; | |||
}, | |||
// abstract | |||
enable: function(enabled) { | |||
if (enabled === undefined) enabled = true; | |||
if (this._enabled === enabled) return; | |||
this._enabled = enabled; | |||
this.opts.element.prop("disabled", !enabled); | |||
this.enableInterface(); | |||
}, | |||
// abstract | |||
disable: function() { | |||
this.enable(false); | |||
}, | |||
// abstract | |||
readonly: function(enabled) { | |||
if (enabled === undefined) enabled = false; | |||
if (this._readonly === enabled) return; | |||
this._readonly = enabled; | |||
this.opts.element.prop("readonly", enabled); | |||
this.enableInterface(); | |||
}, | |||
// abstract | |||
opened: function () { | |||
return (this.container) ? this.container.hasClass("select2-dropdown-open") : false; | |||
}, | |||
// abstract | |||
positionDropdown: function() { | |||
var $dropdown = this.dropdown, | |||
container = this.container, | |||
offset = container.offset(), | |||
height = container.outerHeight(false), | |||
width = container.outerWidth(false), | |||
dropHeight = $dropdown.outerHeight(false), | |||
$window = $(window), | |||
windowWidth = $window.width(), | |||
windowHeight = $window.height(), | |||
viewPortRight = $window.scrollLeft() + windowWidth, | |||
viewportBottom = $window.scrollTop() + windowHeight, | |||
dropTop = offset.top + height, | |||
dropLeft = offset.left, | |||
enoughRoomBelow = dropTop + dropHeight <= viewportBottom, | |||
enoughRoomAbove = (offset.top - dropHeight) >= $window.scrollTop(), | |||
dropWidth = $dropdown.outerWidth(false), | |||
enoughRoomOnRight = function() { | |||
return dropLeft + dropWidth <= viewPortRight; | |||
}, | |||
enoughRoomOnLeft = function() { | |||
return offset.left + viewPortRight + container.outerWidth(false) > dropWidth; | |||
}, | |||
aboveNow = $dropdown.hasClass("select2-drop-above"), | |||
bodyOffset, | |||
above, | |||
changeDirection, | |||
css, | |||
resultsListNode; | |||
// always prefer the current above/below alignment, unless there is not enough room | |||
if (aboveNow) { | |||
above = true; | |||
if (!enoughRoomAbove && enoughRoomBelow) { | |||
changeDirection = true; | |||
above = false; | |||
} | |||
} else { | |||
above = false; | |||
if (!enoughRoomBelow && enoughRoomAbove) { | |||
changeDirection = true; | |||
above = true; | |||
} | |||
} | |||
//if we are changing direction we need to get positions when dropdown is hidden; | |||
if (changeDirection) { | |||
$dropdown.hide(); | |||
offset = this.container.offset(); | |||
height = this.container.outerHeight(false); | |||
width = this.container.outerWidth(false); | |||
dropHeight = $dropdown.outerHeight(false); | |||
viewPortRight = $window.scrollLeft() + windowWidth; | |||
viewportBottom = $window.scrollTop() + windowHeight; | |||
dropTop = offset.top + height; | |||
dropLeft = offset.left; | |||
dropWidth = $dropdown.outerWidth(false); | |||
$dropdown.show(); | |||
// fix so the cursor does not move to the left within the search-textbox in IE | |||
this.focusSearch(); | |||
} | |||
if (this.opts.dropdownAutoWidth) { | |||
resultsListNode = $('.select2-results', $dropdown)[0]; | |||
$dropdown.addClass('select2-drop-auto-width'); | |||
$dropdown.css('width', ''); | |||
// Add scrollbar width to dropdown if vertical scrollbar is present | |||
dropWidth = $dropdown.outerWidth(false) + (resultsListNode.scrollHeight === resultsListNode.clientHeight ? 0 : scrollBarDimensions.width); | |||
dropWidth > width ? width = dropWidth : dropWidth = width; | |||
dropHeight = $dropdown.outerHeight(false); | |||
} | |||
else { | |||
this.container.removeClass('select2-drop-auto-width'); | |||
} | |||
//console.log("below/ droptop:", dropTop, "dropHeight", dropHeight, "sum", (dropTop+dropHeight)+" viewport bottom", viewportBottom, "enough?", enoughRoomBelow); | |||
//console.log("above/ offset.top", offset.top, "dropHeight", dropHeight, "top", (offset.top-dropHeight), "scrollTop", this.body.scrollTop(), "enough?", enoughRoomAbove); | |||
// fix positioning when body has an offset and is not position: static | |||
if (this.body.css('position') !== 'static') { | |||
bodyOffset = this.body.offset(); | |||
dropTop -= bodyOffset.top; | |||
dropLeft -= bodyOffset.left; | |||
} | |||
if (!enoughRoomOnRight() && enoughRoomOnLeft()) { | |||
dropLeft = offset.left + this.container.outerWidth(false) - dropWidth; | |||
} | |||
css = { | |||
left: dropLeft, | |||
width: width | |||
}; | |||
if (above) { | |||
this.container.addClass("select2-drop-above"); | |||
$dropdown.addClass("select2-drop-above"); | |||
dropHeight = $dropdown.outerHeight(false); | |||
css.top = offset.top - dropHeight; | |||
css.bottom = 'auto'; | |||
} | |||
else { | |||
css.top = dropTop; | |||
css.bottom = 'auto'; | |||
this.container.removeClass("select2-drop-above"); | |||
$dropdown.removeClass("select2-drop-above"); | |||
} | |||
css = $.extend(css, evaluate(this.opts.dropdownCss, this.opts.element)); | |||
$dropdown.css(css); | |||
}, | |||
// abstract | |||
shouldOpen: function() { | |||
var event; | |||
if (this.opened()) return false; | |||
if (this._enabled === false || this._readonly === true) return false; | |||
event = $.Event("select2-opening"); | |||
this.opts.element.trigger(event); | |||
return !event.isDefaultPrevented(); | |||
}, | |||
// abstract | |||
clearDropdownAlignmentPreference: function() { | |||
// clear the classes used to figure out the preference of where the dropdown should be opened | |||
this.container.removeClass("select2-drop-above"); | |||
this.dropdown.removeClass("select2-drop-above"); | |||
}, | |||
/** | |||
* Opens the dropdown | |||
* | |||
* @return {Boolean} whether or not dropdown was opened. This method will return false if, for example, | |||
* the dropdown is already open, or if the 'open' event listener on the element called preventDefault(). | |||
*/ | |||
// abstract | |||
open: function () { | |||
if (!this.shouldOpen()) return false; | |||
this.opening(); | |||
// Only bind the document mousemove when the dropdown is visible | |||
$document.on("mousemove.select2Event", function (e) { | |||
lastMousePosition.x = e.pageX; | |||
lastMousePosition.y = e.pageY; | |||
}); | |||
return true; | |||
}, | |||
/** | |||
* Performs the opening of the dropdown | |||
*/ | |||
// abstract | |||
opening: function() { | |||
var cid = this.containerEventName, | |||
scroll = "scroll." + cid, | |||
resize = "resize."+cid, | |||
orient = "orientationchange."+cid, | |||
mask; | |||
this.container.addClass("select2-dropdown-open").addClass("select2-container-active"); | |||
this.clearDropdownAlignmentPreference(); | |||
if(this.dropdown[0] !== this.body.children().last()[0]) { | |||
this.dropdown.detach().appendTo(this.body); | |||
} | |||
// create the dropdown mask if doesn't already exist | |||
mask = $("#select2-drop-mask"); | |||
if (mask.length === 0) { | |||
mask = $(document.createElement("div")); | |||
mask.attr("id","select2-drop-mask").attr("class","select2-drop-mask"); | |||
mask.hide(); | |||
mask.appendTo(this.body); | |||
mask.on("mousedown touchstart click", function (e) { | |||
// Prevent IE from generating a click event on the body | |||
reinsertElement(mask); | |||
var dropdown = $("#select2-drop"), self; | |||
if (dropdown.length > 0) { | |||
self=dropdown.data("select2"); | |||
if (self.opts.selectOnBlur) { | |||
self.selectHighlighted({noFocus: true}); | |||
} | |||
self.close(); | |||
e.preventDefault(); | |||
e.stopPropagation(); | |||
} | |||
}); | |||
} | |||
// ensure the mask is always right before the dropdown | |||
if (this.dropdown.prev()[0] !== mask[0]) { | |||
this.dropdown.before(mask); | |||
} | |||
// move the global id to the correct dropdown | |||
$("#select2-drop").removeAttr("id"); | |||
this.dropdown.attr("id", "select2-drop"); | |||
// show the elements | |||
mask.show(); | |||
this.positionDropdown(); | |||
this.dropdown.show(); | |||
this.positionDropdown(); | |||
this.dropdown.addClass("select2-drop-active"); | |||
// attach listeners to events that can change the position of the container and thus require | |||
// the position of the dropdown to be updated as well so it does not come unglued from the container | |||
var that = this; | |||
this.container.parents().add(window).each(function () { | |||
$(this).on(resize+" "+scroll+" "+orient, function (e) { | |||
if (that.opened()) that.positionDropdown(); | |||
}); | |||
}); | |||
}, | |||
// abstract | |||
close: function () { | |||
if (!this.opened()) return; | |||
var cid = this.containerEventName, | |||
scroll = "scroll." + cid, | |||
resize = "resize."+cid, | |||
orient = "orientationchange."+cid; | |||
// unbind event listeners | |||
this.container.parents().add(window).each(function () { $(this).off(scroll).off(resize).off(orient); }); | |||
this.clearDropdownAlignmentPreference(); | |||
$("#select2-drop-mask").hide(); | |||
this.dropdown.removeAttr("id"); // only the active dropdown has the select2-drop id | |||
this.dropdown.hide(); | |||
this.container.removeClass("select2-dropdown-open").removeClass("select2-container-active"); | |||
this.results.empty(); | |||
// Now that the dropdown is closed, unbind the global document mousemove event | |||
$document.off("mousemove.select2Event"); | |||
this.clearSearch(); | |||
this.search.removeClass("select2-active"); | |||
// Remove the aria active descendant for highlighted element | |||
this.search.removeAttr("aria-activedescendant"); | |||
this.opts.element.trigger($.Event("select2-close")); | |||
}, | |||
/** | |||
* Opens control, sets input value, and updates results. | |||
*/ | |||
// abstract | |||
externalSearch: function (term) { | |||
this.open(); | |||
this.search.val(term); | |||
this.updateResults(false); | |||
}, | |||
// abstract | |||
clearSearch: function () { | |||
}, | |||
/** | |||
* @return {Boolean} Whether or not search value was changed. | |||
* @private | |||
*/ | |||
prefillNextSearchTerm: function () { | |||
// initializes search's value with nextSearchTerm (if defined by user) | |||
// ignore nextSearchTerm if the dropdown is opened by the user pressing a letter | |||
if(this.search.val() !== "") { | |||
return false; | |||
} | |||
var nextSearchTerm = this.opts.nextSearchTerm(this.data(), this.lastSearchTerm); | |||
if(nextSearchTerm !== undefined){ | |||
this.search.val(nextSearchTerm); | |||
this.search.select(); | |||
return true; | |||
} | |||
return false; | |||
}, | |||
//abstract | |||
getMaximumSelectionSize: function() { | |||
return evaluate(this.opts.maximumSelectionSize, this.opts.element); | |||
}, | |||
// abstract | |||
ensureHighlightVisible: function () { | |||
var results = this.results, children, index, child, hb, rb, y, more, topOffset; | |||
index = this.highlight(); | |||
if (index < 0) return; | |||
if (index == 0) { | |||
// if the first element is highlighted scroll all the way to the top, | |||
// that way any unselectable headers above it will also be scrolled | |||
// into view | |||
results.scrollTop(0); | |||
return; | |||
} | |||
children = this.findHighlightableChoices().find('.select2-result-label'); | |||
child = $(children[index]); | |||
topOffset = (child.offset() || {}).top || 0; | |||
hb = topOffset + child.outerHeight(true); | |||
// if this is the last child lets also make sure select2-more-results is visible | |||
if (index === children.length - 1) { | |||
more = results.find("li.select2-more-results"); | |||
if (more.length > 0) { | |||
hb = more.offset().top + more.outerHeight(true); | |||
} | |||
} | |||
rb = results.offset().top + results.outerHeight(false); | |||
if (hb > rb) { | |||
results.scrollTop(results.scrollTop() + (hb - rb)); | |||
} | |||
y = topOffset - results.offset().top; | |||
// make sure the top of the element is visible | |||
if (y < 0 && child.css('display') != 'none' ) { | |||
results.scrollTop(results.scrollTop() + y); // y is negative | |||
} | |||
}, | |||
// abstract | |||
findHighlightableChoices: function() { | |||
return this.results.find(".select2-result-selectable:not(.select2-disabled):not(.select2-selected)"); | |||
}, | |||
// abstract | |||
moveHighlight: function (delta) { | |||
var choices = this.findHighlightableChoices(), | |||
index = this.highlight(); | |||
while (index > -1 && index < choices.length) { | |||
index += delta; | |||
var choice = $(choices[index]); | |||
if (choice.hasClass("select2-result-selectable") && !choice.hasClass("select2-disabled") && !choice.hasClass("select2-selected")) { | |||
this.highlight(index); | |||
break; | |||
} | |||
} | |||
}, | |||
// abstract | |||
highlight: function (index) { | |||
var choices = this.findHighlightableChoices(), | |||
choice, | |||
data; | |||
if (arguments.length === 0) { | |||
return indexOf(choices.filter(".select2-highlighted")[0], choices.get()); | |||
} | |||
if (index >= choices.length) index = choices.length - 1; | |||
if (index < 0) index = 0; | |||
this.removeHighlight(); | |||
choice = $(choices[index]); | |||
choice.addClass("select2-highlighted"); | |||
// ensure assistive technology can determine the active choice | |||
this.search.attr("aria-activedescendant", choice.find(".select2-result-label").attr("id")); | |||
this.ensureHighlightVisible(); | |||
this.liveRegion.text(choice.text()); | |||
data = choice.data("select2-data"); | |||
if (data) { | |||
this.opts.element.trigger({ type: "select2-highlight", val: this.id(data), choice: data }); | |||
} | |||
}, | |||
removeHighlight: function() { | |||
this.results.find(".select2-highlighted").removeClass("select2-highlighted"); | |||
}, | |||
touchMoved: function() { | |||
this._touchMoved = true; | |||
}, | |||
clearTouchMoved: function() { | |||
this._touchMoved = false; | |||
}, | |||
// abstract | |||
countSelectableResults: function() { | |||
return this.findHighlightableChoices().length; | |||
}, | |||
// abstract | |||
highlightUnderEvent: function (event) { | |||
var el = $(event.target).closest(".select2-result-selectable"); | |||
if (el.length > 0 && !el.is(".select2-highlighted")) { | |||
var choices = this.findHighlightableChoices(); | |||
this.highlight(choices.index(el)); | |||
} else if (el.length == 0) { | |||
// if we are over an unselectable item remove all highlights | |||
this.removeHighlight(); | |||
} | |||
}, | |||
// abstract | |||
loadMoreIfNeeded: function () { | |||
var results = this.results, | |||
more = results.find("li.select2-more-results"), | |||
below, // pixels the element is below the scroll fold, below==0 is when the element is starting to be visible | |||
page = this.resultsPage + 1, | |||
self=this, | |||
term=this.search.val(), | |||
context=this.context; | |||
if (more.length === 0) return; | |||
below = more.offset().top - results.offset().top - results.height(); | |||
if (below <= this.opts.loadMorePadding) { | |||
more.addClass("select2-active"); | |||
this.opts.query({ | |||
element: this.opts.element, | |||
term: term, | |||
page: page, | |||
context: context, | |||
matcher: this.opts.matcher, | |||
callback: this.bind(function (data) { | |||
// ignore a response if the select2 has been closed before it was received | |||
if (!self.opened()) return; | |||
self.opts.populateResults.call(this, results, data.results, {term: term, page: page, context:context}); | |||
self.postprocessResults(data, false, false); | |||
if (data.more===true) { | |||
more.detach().appendTo(results).html(self.opts.escapeMarkup(evaluate(self.opts.formatLoadMore, self.opts.element, page+1))); | |||
window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10); | |||
} else { | |||
more.remove(); | |||
} | |||
self.positionDropdown(); | |||
self.resultsPage = page; | |||
self.context = data.context; | |||
this.opts.element.trigger({ type: "select2-loaded", items: data }); | |||
})}); | |||
} | |||
}, | |||
/** | |||
* Default tokenizer function which does nothing | |||
*/ | |||
tokenize: function() { | |||
}, | |||
/** | |||
* @param initial whether or not this is the call to this method right after the dropdown has been opened | |||
*/ | |||
// abstract | |||
updateResults: function (initial) { | |||
var search = this.search, | |||
results = this.results, | |||
opts = this.opts, | |||
data, | |||
self = this, | |||
input, | |||
term = search.val(), | |||
lastTerm = $.data(this.container, "select2-last-term"), | |||
// sequence number used to drop out-of-order responses | |||
queryNumber; | |||
// prevent duplicate queries against the same term | |||
if (initial !== true && lastTerm && equal(term, lastTerm)) return; | |||
$.data(this.container, "select2-last-term", term); | |||
// if the search is currently hidden we do not alter the results | |||
if (initial !== true && (this.showSearchInput === false || !this.opened())) { | |||
return; | |||
} | |||
function postRender() { | |||
search.removeClass("select2-active"); | |||
self.positionDropdown(); | |||
if (results.find('.select2-no-results,.select2-selection-limit,.select2-searching').length) { | |||
self.liveRegion.text(results.text()); | |||
} | |||
else { | |||
self.liveRegion.text(self.opts.formatMatches(results.find('.select2-result-selectable:not(".select2-selected")').length)); | |||
} | |||
} | |||
function render(html) { | |||
results.html(html); | |||
postRender(); | |||
} | |||
queryNumber = ++this.queryCount; | |||
var maxSelSize = this.getMaximumSelectionSize(); | |||
if (maxSelSize >=1) { | |||
data = this.data(); | |||
if ($.isArray(data) && data.length >= maxSelSize && checkFormatter(opts.formatSelectionTooBig, "formatSelectionTooBig")) { | |||
render("<li class='select2-selection-limit'>" + evaluate(opts.formatSelectionTooBig, opts.element, maxSelSize) + "</li>"); | |||
return; | |||
} | |||
} | |||
if (search.val().length < opts.minimumInputLength) { | |||
if (checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) { | |||
render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooShort, opts.element, search.val(), opts.minimumInputLength) + "</li>"); | |||
} else { | |||
render(""); | |||
} | |||
if (initial && this.showSearch) this.showSearch(true); | |||
return; | |||
} | |||
if (opts.maximumInputLength && search.val().length > opts.maximumInputLength) { | |||
if (checkFormatter(opts.formatInputTooLong, "formatInputTooLong")) { | |||
render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooLong, opts.element, search.val(), opts.maximumInputLength) + "</li>"); | |||
} else { | |||
render(""); | |||
} | |||
return; | |||
} | |||
if (opts.formatSearching && this.findHighlightableChoices().length === 0) { | |||
render("<li class='select2-searching'>" + evaluate(opts.formatSearching, opts.element) + "</li>"); | |||
} | |||
search.addClass("select2-active"); | |||
this.removeHighlight(); | |||
// give the tokenizer a chance to pre-process the input | |||
input = this.tokenize(); | |||
if (input != undefined && input != null) { | |||
search.val(input); | |||
} | |||
this.resultsPage = 1; | |||
opts.query({ | |||
element: opts.element, | |||
term: search.val(), | |||
page: this.resultsPage, | |||
context: null, | |||
matcher: opts.matcher, | |||
callback: this.bind(function (data) { | |||
var def; // default choice | |||
// ignore old responses | |||
if (queryNumber != this.queryCount) { | |||
return; | |||
} | |||
// ignore a response if the select2 has been closed before it was received | |||
if (!this.opened()) { | |||
this.search.removeClass("select2-active"); | |||
return; | |||
} | |||
// handle ajax error | |||
if(data.hasError !== undefined && checkFormatter(opts.formatAjaxError, "formatAjaxError")) { | |||
render("<li class='select2-ajax-error'>" + evaluate(opts.formatAjaxError, opts.element, data.jqXHR, data.textStatus, data.errorThrown) + "</li>"); | |||
return; | |||
} | |||
// save context, if any | |||
this.context = (data.context===undefined) ? null : data.context; | |||
// create a default choice and prepend it to the list | |||
if (this.opts.createSearchChoice && search.val() !== "") { | |||
def = this.opts.createSearchChoice.call(self, search.val(), data.results); | |||
if (def !== undefined && def !== null && self.id(def) !== undefined && self.id(def) !== null) { | |||
if ($(data.results).filter( | |||
function () { | |||
return equal(self.id(this), self.id(def)); | |||
}).length === 0) { | |||
this.opts.createSearchChoicePosition(data.results, def); | |||
} | |||
} | |||
} | |||
if (data.results.length === 0 && checkFormatter(opts.formatNoMatches, "formatNoMatches")) { | |||
render("<li class='select2-no-results'>" + evaluate(opts.formatNoMatches, opts.element, search.val()) + "</li>"); | |||
if(this.showSearch){ | |||
this.showSearch(search.val()); | |||
} | |||
return; | |||
} | |||
results.empty(); | |||
self.opts.populateResults.call(this, results, data.results, {term: search.val(), page: this.resultsPage, context:null}); | |||
if (data.more === true && checkFormatter(opts.formatLoadMore, "formatLoadMore")) { | |||
results.append("<li class='select2-more-results'>" + opts.escapeMarkup(evaluate(opts.formatLoadMore, opts.element, this.resultsPage)) + "</li>"); | |||
window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10); | |||
} | |||
this.postprocessResults(data, initial); | |||
postRender(); | |||
this.opts.element.trigger({ type: "select2-loaded", items: data }); | |||
})}); | |||
}, | |||
// abstract | |||
cancel: function () { | |||
this.close(); | |||
}, | |||
// abstract | |||
blur: function () { | |||
// if selectOnBlur == true, select the currently highlighted option | |||
if (this.opts.selectOnBlur) | |||
this.selectHighlighted({noFocus: true}); | |||
this.close(); | |||
this.container.removeClass("select2-container-active"); | |||
// synonymous to .is(':focus'), which is available in jquery >= 1.6 | |||
if (this.search[0] === document.activeElement) { this.search.blur(); } | |||
this.clearSearch(); | |||
this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus"); | |||
}, | |||
// abstract | |||
focusSearch: function () { | |||
focus(this.search); | |||
}, | |||
// abstract | |||
selectHighlighted: function (options) { | |||
if (this._touchMoved) { | |||
this.clearTouchMoved(); | |||
return; | |||
} | |||
var index=this.highlight(), | |||
highlighted=this.results.find(".select2-highlighted"), | |||
data = highlighted.closest('.select2-result').data("select2-data"); | |||
if (data) { | |||
this.highlight(index); | |||
this.onSelect(data, options); | |||
} else if (options && options.noFocus) { | |||
this.close(); | |||
} | |||
}, | |||
// abstract | |||
getPlaceholder: function () { | |||
var placeholderOption; | |||
return this.opts.element.attr("placeholder") || | |||
this.opts.element.attr("data-placeholder") || // jquery 1.4 compat | |||
this.opts.element.data("placeholder") || | |||
this.opts.placeholder || | |||
((placeholderOption = this.getPlaceholderOption()) !== undefined ? placeholderOption.text() : undefined); | |||
}, | |||
// abstract | |||
getPlaceholderOption: function() { | |||
if (this.select) { | |||
var firstOption = this.select.children('option').first(); | |||
if (this.opts.placeholderOption !== undefined ) { | |||
//Determine the placeholder option based on the specified placeholderOption setting | |||
return (this.opts.placeholderOption === "first" && firstOption) || | |||
(typeof this.opts.placeholderOption === "function" && this.opts.placeholderOption(this.select)); | |||
} else if ($.trim(firstOption.text()) === "" && firstOption.val() === "") { | |||
//No explicit placeholder option specified, use the first if it's blank | |||
return firstOption; | |||
} | |||
} | |||
}, | |||
/** | |||
* Get the desired width for the container element. This is | |||
* derived first from option `width` passed to select2, then | |||
* the inline 'style' on the original element, and finally | |||
* falls back to the jQuery calculated element width. | |||
*/ | |||
// abstract | |||
initContainerWidth: function () { | |||
function resolveContainerWidth() { | |||
var style, attrs, matches, i, l, attr; | |||
if (this.opts.width === "off") { | |||
return null; | |||
} else if (this.opts.width === "element"){ | |||
return this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px'; | |||
} else if (this.opts.width === "copy" || this.opts.width === "resolve") { | |||
// check if there is inline style on the element that contains width | |||
style = this.opts.element.attr('style'); | |||
if (typeof(style) === "string") { | |||
attrs = style.split(';'); | |||
for (i = 0, l = attrs.length; i < l; i = i + 1) { | |||
attr = attrs[i].replace(/\s/g, ''); | |||
matches = attr.match(/^width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/i); | |||
if (matches !== null && matches.length >= 1) | |||
return matches[1]; | |||
} | |||
} | |||
if (this.opts.width === "resolve") { | |||
// next check if css('width') can resolve a width that is percent based, this is sometimes possible | |||
// when attached to input type=hidden or elements hidden via css | |||
style = this.opts.element.css('width'); | |||
if (style.indexOf("%") > 0) return style; | |||
// finally, fallback on the calculated width of the element | |||
return (this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px'); | |||
} | |||
return null; | |||
} else if ($.isFunction(this.opts.width)) { | |||
return this.opts.width(); | |||
} else { | |||
return this.opts.width; | |||
} | |||
}; | |||
var width = resolveContainerWidth.call(this); | |||
if (width !== null) { | |||
this.container.css("width", width); | |||
} | |||
} | |||
}); | |||
SingleSelect2 = clazz(AbstractSelect2, { | |||
// single | |||
createContainer: function () { | |||
var container = $(document.createElement("div")).attr({ | |||
"class": "select2-container" | |||
}).html([ | |||
"<a href='javascript:void(0)' class='select2-choice' tabindex='-1'>", | |||
" <span class='select2-chosen'> </span><abbr class='select2-search-choice-close'></abbr>", | |||
" <span class='select2-arrow' role='presentation'><b role='presentation'></b></span>", | |||
"</a>", | |||
"<label for='' class='select2-offscreen'></label>", | |||
"<input class='select2-focusser select2-offscreen' type='text' aria-haspopup='true' role='button' />", | |||
"<div class='select2-drop select2-display-none'>", | |||
" <div class='select2-search'>", | |||
" <label for='' class='select2-offscreen'></label>", | |||
" <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input' role='combobox' aria-expanded='true'", | |||
" aria-autocomplete='list' />", | |||
" </div>", | |||
" <ul class='select2-results' role='listbox'>", | |||
" </ul>", | |||
"</div>"].join("")); | |||
return container; | |||
}, | |||
// single | |||
enableInterface: function() { | |||
if (this.parent.enableInterface.apply(this, arguments)) { | |||
this.focusser.prop("disabled", !this.isInterfaceEnabled()); | |||
} | |||
}, | |||
// single | |||
opening: function () { | |||
var el, range, len; | |||
if (this.opts.minimumResultsForSearch >= 0) { | |||
this.showSearch(true); | |||
} | |||
this.parent.opening.apply(this, arguments); | |||
if (this.showSearchInput !== false) { | |||
// IE appends focusser.val() at the end of field :/ so we manually insert it at the beginning using a range | |||
// all other browsers handle this just fine | |||
this.search.val(this.focusser.val()); | |||
} | |||
if (this.opts.shouldFocusInput(this)) { | |||
this.search.focus(); | |||
// move the cursor to the end after focussing, otherwise it will be at the beginning and | |||
// new text will appear *before* focusser.val() | |||
el = this.search.get(0); | |||
if (el.createTextRange) { | |||
range = el.createTextRange(); | |||
range.collapse(false); | |||
range.select(); | |||
} else if (el.setSelectionRange) { | |||
len = this.search.val().length; | |||
el.setSelectionRange(len, len); | |||
} | |||
} | |||
this.prefillNextSearchTerm(); | |||
this.focusser.prop("disabled", true).val(""); | |||
this.updateResults(true); | |||
this.opts.element.trigger($.Event("select2-open")); | |||
}, | |||
// single | |||
close: function () { | |||
if (!this.opened()) return; | |||
this.parent.close.apply(this, arguments); | |||
this.focusser.prop("disabled", false); | |||
if (this.opts.shouldFocusInput(this)) { | |||
this.focusser.focus(); | |||
} | |||
}, | |||
// single | |||
focus: function () { | |||
if (this.opened()) { | |||
this.close(); | |||
} else { | |||
this.focusser.prop("disabled", false); | |||
if (this.opts.shouldFocusInput(this)) { | |||
this.focusser.focus(); | |||
} | |||
} | |||
}, | |||
// single | |||
isFocused: function () { | |||
return this.container.hasClass("select2-container-active"); | |||
}, | |||
// single | |||
cancel: function () { | |||
this.parent.cancel.apply(this, arguments); | |||
this.focusser.prop("disabled", false); | |||
if (this.opts.shouldFocusInput(this)) { | |||
this.focusser.focus(); | |||
} | |||
}, | |||
// single | |||
destroy: function() { | |||
$("label[for='" + this.focusser.attr('id') + "']") | |||
.attr('for', this.opts.element.attr("id")); | |||
this.parent.destroy.apply(this, arguments); | |||
cleanupJQueryElements.call(this, | |||
"selection", | |||
"focusser" | |||
); | |||
}, | |||
// single | |||
initContainer: function () { | |||
var selection, | |||
container = this.container, | |||
dropdown = this.dropdown, | |||
idSuffix = nextUid(), | |||
elementLabel; | |||
if (this.opts.minimumResultsForSearch < 0) { | |||
this.showSearch(false); | |||
} else { | |||
this.showSearch(true); | |||
} | |||
this.selection = selection = container.find(".select2-choice"); | |||
this.focusser = container.find(".select2-focusser"); | |||
// add aria associations | |||
selection.find(".select2-chosen").attr("id", "select2-chosen-"+idSuffix); | |||
this.focusser.attr("aria-labelledby", "select2-chosen-"+idSuffix); | |||
this.results.attr("id", "select2-results-"+idSuffix); | |||
this.search.attr("aria-owns", "select2-results-"+idSuffix); | |||
// rewrite labels from original element to focusser | |||
this.focusser.attr("id", "s2id_autogen"+idSuffix); | |||
elementLabel = $("label[for='" + this.opts.element.attr("id") + "']"); | |||
this.opts.element.on('focus.select2', this.bind(function () { this.focus(); })); | |||
this.focusser.prev() | |||
.text(elementLabel.text()) | |||
.attr('for', this.focusser.attr('id')); | |||
// Ensure the original element retains an accessible name | |||
var originalTitle = this.opts.element.attr("title"); | |||
this.opts.element.attr("title", (originalTitle || elementLabel.text())); | |||
this.focusser.attr("tabindex", this.elementTabIndex); | |||
// write label for search field using the label from the focusser element | |||
this.search.attr("id", this.focusser.attr('id') + '_search'); | |||
this.search.prev() | |||
.text($("label[for='" + this.focusser.attr('id') + "']").text()) | |||
.attr('for', this.search.attr('id')); | |||
this.search.on("keydown", this.bind(function (e) { | |||
if (!this.isInterfaceEnabled()) return; | |||
// filter 229 keyCodes (input method editor is processing key input) | |||
if (229 == e.keyCode) return; | |||
if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) { | |||
// prevent the page from scrolling | |||
killEvent(e); | |||
return; | |||
} | |||
switch (e.which) { | |||
case KEY.UP: | |||
case KEY.DOWN: | |||
this.moveHighlight((e.which === KEY.UP) ? -1 : 1); | |||
killEvent(e); | |||
return; | |||
case KEY.ENTER: | |||
this.selectHighlighted(); | |||
killEvent(e); | |||
return; | |||
case KEY.TAB: | |||
this.selectHighlighted({noFocus: true}); | |||
return; | |||
case KEY.ESC: | |||
this.cancel(e); | |||
killEvent(e); | |||
return; | |||
} | |||
})); | |||
this.search.on("blur", this.bind(function(e) { | |||
// a workaround for chrome to keep the search field focussed when the scroll bar is used to scroll the dropdown. | |||
// without this the search field loses focus which is annoying | |||
if (document.activeElement === this.body.get(0)) { | |||
window.setTimeout(this.bind(function() { | |||
if (this.opened() && this.results && this.results.length > 1) { | |||
this.search.focus(); | |||
} | |||
}), 0); | |||
} | |||
})); | |||
this.focusser.on("keydown", this.bind(function (e) { | |||
if (!this.isInterfaceEnabled()) return; | |||
if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) { | |||
return; | |||
} | |||
if (this.opts.openOnEnter === false && e.which === KEY.ENTER) { | |||
killEvent(e); | |||
return; | |||
} | |||
if (e.which == KEY.DOWN || e.which == KEY.UP | |||
|| (e.which == KEY.ENTER && this.opts.openOnEnter)) { | |||
if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) return; | |||
this.open(); | |||
killEvent(e); | |||
return; | |||
} | |||
if (e.which == KEY.DELETE || e.which == KEY.BACKSPACE) { | |||
if (this.opts.allowClear) { | |||
this.clear(); | |||
} | |||
killEvent(e); | |||
return; | |||
} | |||
})); | |||
installKeyUpChangeEvent(this.focusser); | |||
this.focusser.on("keyup-change input", this.bind(function(e) { | |||
if (this.opts.minimumResultsForSearch >= 0) { | |||
e.stopPropagation(); | |||
if (this.opened()) return; | |||
this.open(); | |||
} | |||
})); | |||
selection.on("mousedown touchstart", "abbr", this.bind(function (e) { | |||
if (!this.isInterfaceEnabled()) { | |||
return; | |||
} | |||
this.clear(); | |||
killEventImmediately(e); | |||
this.close(); | |||
if (this.selection) { | |||
this.selection.focus(); | |||
} | |||
})); | |||
selection.on("mousedown touchstart", this.bind(function (e) { | |||
// Prevent IE from generating a click event on the body | |||
reinsertElement(selection); | |||
if (!this.container.hasClass("select2-container-active")) { | |||
this.opts.element.trigger($.Event("select2-focus")); | |||
} | |||
if (this.opened()) { | |||
this.close(); | |||
} else if (this.isInterfaceEnabled()) { | |||
this.open(); | |||
} | |||
killEvent(e); | |||
})); | |||
dropdown.on("mousedown touchstart", this.bind(function() { | |||
if (this.opts.shouldFocusInput(this)) { | |||
this.search.focus(); | |||
} | |||
})); | |||
selection.on("focus", this.bind(function(e) { | |||
killEvent(e); | |||
})); | |||
this.focusser.on("focus", this.bind(function(){ | |||
if (!this.container.hasClass("select2-container-active")) { | |||
this.opts.element.trigger($.Event("select2-focus")); | |||
} | |||
this.container.addClass("select2-container-active"); | |||
})).on("blur", this.bind(function() { | |||
if (!this.opened()) { | |||
this.container.removeClass("select2-container-active"); | |||
this.opts.element.trigger($.Event("select2-blur")); | |||
} | |||
})); | |||
this.search.on("focus", this.bind(function(){ | |||
if (!this.container.hasClass("select2-container-active")) { | |||
this.opts.element.trigger($.Event("select2-focus")); | |||
} | |||
this.container.addClass("select2-container-active"); | |||
})); | |||
this.initContainerWidth(); | |||
this.opts.element.hide(); | |||
this.setPlaceholder(); | |||
}, | |||
// single | |||
clear: function(triggerChange) { | |||
var data=this.selection.data("select2-data"); | |||
if (data) { // guard against queued quick consecutive clicks | |||
var evt = $.Event("select2-clearing"); | |||
this.opts.element.trigger(evt); | |||
if (evt.isDefaultPrevented()) { | |||
return; | |||
} | |||
var placeholderOption = this.getPlaceholderOption(); | |||
this.opts.element.val(placeholderOption ? placeholderOption.val() : ""); | |||
this.selection.find(".select2-chosen").empty(); | |||
this.selection.removeData("select2-data"); | |||
this.setPlaceholder(); | |||
if (triggerChange !== false){ | |||
this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data }); | |||
this.triggerChange({removed:data}); | |||
} | |||
} | |||
}, | |||
/** | |||
* Sets selection based on source element's value | |||
*/ | |||
// single | |||
initSelection: function () { | |||
var selected; | |||
if (this.isPlaceholderOptionSelected()) { | |||
this.updateSelection(null); | |||
this.close(); | |||
this.setPlaceholder(); | |||
} else { | |||
var self = this; | |||
this.opts.initSelection.call(null, this.opts.element, function(selected){ | |||
if (selected !== undefined && selected !== null) { | |||
self.updateSelection(selected); | |||
self.close(); | |||
self.setPlaceholder(); | |||
self.lastSearchTerm = self.search.val(); | |||
} | |||
}); | |||
} | |||
}, | |||
isPlaceholderOptionSelected: function() { | |||
var placeholderOption; | |||
if (this.getPlaceholder() === undefined) return false; // no placeholder specified so no option should be considered | |||
return ((placeholderOption = this.getPlaceholderOption()) !== undefined && placeholderOption.prop("selected")) | |||
|| (this.opts.element.val() === "") | |||
|| (this.opts.element.val() === undefined) | |||
|| (this.opts.element.val() === null); | |||
}, | |||
// single | |||
prepareOpts: function () { | |||
var opts = this.parent.prepareOpts.apply(this, arguments), | |||
self=this; | |||
if (opts.element.get(0).tagName.toLowerCase() === "select") { | |||
// install the selection initializer | |||
opts.initSelection = function (element, callback) { | |||
var selected = element.find("option").filter(function() { return this.selected && !this.disabled }); | |||
// a single select box always has a value, no need to null check 'selected' | |||
callback(self.optionToData(selected)); | |||
}; | |||
} else if ("data" in opts) { | |||
// install default initSelection when applied to hidden input and data is local | |||
opts.initSelection = opts.initSelection || function (element, callback) { | |||
var id = element.val(); | |||
//search in data by id, storing the actual matching item | |||
var match = null; | |||
opts.query({ | |||
matcher: function(term, text, el){ | |||
var is_match = equal(id, opts.id(el)); | |||
if (is_match) { | |||
match = el; | |||
} | |||
return is_match; | |||
}, | |||
callback: !$.isFunction(callback) ? $.noop : function() { | |||
callback(match); | |||
} | |||
}); | |||
}; | |||
} | |||
return opts; | |||
}, | |||
// single | |||
getPlaceholder: function() { | |||
// if a placeholder is specified on a single select without a valid placeholder option ignore it | |||
if (this.select) { | |||
if (this.getPlaceholderOption() === undefined) { | |||
return undefined; | |||
} | |||
} | |||
return this.parent.getPlaceholder.apply(this, arguments); | |||
}, | |||
// single | |||
setPlaceholder: function () { | |||
var placeholder = this.getPlaceholder(); | |||
if (this.isPlaceholderOptionSelected() && placeholder !== undefined) { | |||
// check for a placeholder option if attached to a select | |||
if (this.select && this.getPlaceholderOption() === undefined) return; | |||
this.selection.find(".select2-chosen").html(this.opts.escapeMarkup(placeholder)); | |||
this.selection.addClass("select2-default"); | |||
this.container.removeClass("select2-allowclear"); | |||
} | |||
}, | |||
// single | |||
postprocessResults: function (data, initial, noHighlightUpdate) { | |||
var selected = 0, self = this, showSearchInput = true; | |||
// find the selected element in the result list | |||
this.findHighlightableChoices().each2(function (i, elm) { | |||
if (equal(self.id(elm.data("select2-data")), self.opts.element.val())) { | |||
selected = i; | |||
return false; | |||
} | |||
}); | |||
// and highlight it | |||
if (noHighlightUpdate !== false) { | |||
if (initial === true && selected >= 0) { | |||
this.highlight(selected); | |||
} else { | |||
this.highlight(0); | |||
} | |||
} | |||
// hide the search box if this is the first we got the results and there are enough of them for search | |||
if (initial === true) { | |||
var min = this.opts.minimumResultsForSearch; | |||
if (min >= 0) { | |||
this.showSearch(countResults(data.results) >= min); | |||
} | |||
} | |||
}, | |||
// single | |||
showSearch: function(showSearchInput) { | |||
if (this.showSearchInput === showSearchInput) return; | |||
this.showSearchInput = showSearchInput; | |||
this.dropdown.find(".select2-search").toggleClass("select2-search-hidden", !showSearchInput); | |||
this.dropdown.find(".select2-search").toggleClass("select2-offscreen", !showSearchInput); | |||
//add "select2-with-searchbox" to the container if search box is shown | |||
$(this.dropdown, this.container).toggleClass("select2-with-searchbox", showSearchInput); | |||
}, | |||
// single | |||
onSelect: function (data, options) { | |||
if (!this.triggerSelect(data)) { return; } | |||
var old = this.opts.element.val(), | |||
oldData = this.data(); | |||
this.opts.element.val(this.id(data)); | |||
this.updateSelection(data); | |||
this.opts.element.trigger({ type: "select2-selected", val: this.id(data), choice: data }); | |||
this.lastSearchTerm = this.search.val(); | |||
this.close(); | |||
if ((!options || !options.noFocus) && this.opts.shouldFocusInput(this)) { | |||
this.focusser.focus(); | |||
} | |||
if (!equal(old, this.id(data))) { | |||
this.triggerChange({ added: data, removed: oldData }); | |||
} | |||
}, | |||
// single | |||
updateSelection: function (data) { | |||
var container=this.selection.find(".select2-chosen"), formatted, cssClass; | |||
this.selection.data("select2-data", data); | |||
container.empty(); | |||
if (data !== null) { | |||
formatted=this.opts.formatSelection(data, container, this.opts.escapeMarkup); | |||
} | |||
if (formatted !== undefined) { | |||
container.append(formatted); | |||
} | |||
cssClass=this.opts.formatSelectionCssClass(data, container); | |||
if (cssClass !== undefined) { | |||
container.addClass(cssClass); | |||
} | |||
this.selection.removeClass("select2-default"); | |||
if (this.opts.allowClear && this.getPlaceholder() !== undefined) { | |||
this.container.addClass("select2-allowclear"); | |||
} | |||
}, | |||
// single | |||
val: function () { | |||
var val, | |||
triggerChange = false, | |||
data = null, | |||
self = this, | |||
oldData = this.data(); | |||
if (arguments.length === 0) { | |||
return this.opts.element.val(); | |||
} | |||
val = arguments[0]; | |||
if (arguments.length > 1) { | |||
triggerChange = arguments[1]; | |||
if (this.opts.debug && console && console.warn) { | |||
console.warn( | |||
'Select2: The second option to `select2("val")` is not supported in Select2 4.0.0. ' + | |||
'The `change` event will always be triggered in 4.0.0.' | |||
); | |||
} | |||
} | |||
if (this.select) { | |||
if (this.opts.debug && console && console.warn) { | |||
console.warn( | |||
'Select2: Setting the value on a <select> using `select2("val")` is no longer supported in 4.0.0. ' + | |||
'You can use the `.val(newValue).trigger("change")` method provided by jQuery instead.' | |||
); | |||
} | |||
this.select | |||
.val(val) | |||
.find("option").filter(function() { return this.selected }).each2(function (i, elm) { | |||
data = self.optionToData(elm); | |||
return false; | |||
}); | |||
this.updateSelection(data); | |||
this.setPlaceholder(); | |||
if (triggerChange) { | |||
this.triggerChange({added: data, removed:oldData}); | |||
} | |||
} else { | |||
// val is an id. !val is true for [undefined,null,'',0] - 0 is legal | |||
if (!val && val !== 0) { | |||
this.clear(triggerChange); | |||
return; | |||
} | |||
if (this.opts.initSelection === undefined) { | |||
throw new Error("cannot call val() if initSelection() is not defined"); | |||
} | |||
this.opts.element.val(val); | |||
this.opts.initSelection(this.opts.element, function(data){ | |||
self.opts.element.val(!data ? "" : self.id(data)); | |||
self.updateSelection(data); | |||
self.setPlaceholder(); | |||
if (triggerChange) { | |||
self.triggerChange({added: data, removed:oldData}); | |||
} | |||
}); | |||
} | |||
}, | |||
// single | |||
clearSearch: function () { | |||
this.search.val(""); | |||
this.focusser.val(""); | |||
}, | |||
// single | |||
data: function(value) { | |||
var data, | |||
triggerChange = false; | |||
if (arguments.length === 0) { | |||
data = this.selection.data("select2-data"); | |||
if (data == undefined) data = null; | |||
return data; | |||
} else { | |||
if (this.opts.debug && console && console.warn) { | |||
console.warn( | |||
'Select2: The `select2("data")` method can no longer set selected values in 4.0.0, ' + | |||
'consider using the `.val()` method instead.' | |||
); | |||
} | |||
if (arguments.length > 1) { | |||
triggerChange = arguments[1]; | |||
} | |||
if (!value) { | |||
this.clear(triggerChange); | |||
} else { | |||
data = this.data(); | |||
this.opts.element.val(!value ? "" : this.id(value)); | |||
this.updateSelection(value); | |||
if (triggerChange) { | |||
this.triggerChange({added: value, removed:data}); | |||
} | |||
} | |||
} | |||
} | |||
}); | |||
MultiSelect2 = clazz(AbstractSelect2, { | |||
// multi | |||
createContainer: function () { | |||
var container = $(document.createElement("div")).attr({ | |||
"class": "select2-container select2-container-multi" | |||
}).html([ | |||
"<ul class='select2-choices'>", | |||
" <li class='select2-search-field'>", | |||
" <label for='' class='select2-offscreen'></label>", | |||
" <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input'>", | |||
" </li>", | |||
"</ul>", | |||
"<div class='select2-drop select2-drop-multi select2-display-none'>", | |||
" <ul class='select2-results'>", | |||
" </ul>", | |||
"</div>"].join("")); | |||
return container; | |||
}, | |||
// multi | |||
prepareOpts: function () { | |||
var opts = this.parent.prepareOpts.apply(this, arguments), | |||
self=this; | |||
// TODO validate placeholder is a string if specified | |||
if (opts.element.get(0).tagName.toLowerCase() === "select") { | |||
// install the selection initializer | |||
opts.initSelection = function (element, callback) { | |||
var data = []; | |||
element.find("option").filter(function() { return this.selected && !this.disabled }).each2(function (i, elm) { | |||
data.push(self.optionToData(elm)); | |||
}); | |||
callback(data); | |||
}; | |||
} else if ("data" in opts) { | |||
// install default initSelection when applied to hidden input and data is local | |||
opts.initSelection = opts.initSelection || function (element, callback) { | |||
var ids = splitVal(element.val(), opts.separator, opts.transformVal); | |||
//search in data by array of ids, storing matching items in a list | |||
var matches = []; | |||
opts.query({ | |||
matcher: function(term, text, el){ | |||
var is_match = $.grep(ids, function(id) { | |||
return equal(id, opts.id(el)); | |||
}).length; | |||
if (is_match) { | |||
matches.push(el); | |||
} | |||
return is_match; | |||
}, | |||
callback: !$.isFunction(callback) ? $.noop : function() { | |||
// reorder matches based on the order they appear in the ids array because right now | |||
// they are in the order in which they appear in data array | |||
var ordered = []; | |||
for (var i = 0; i < ids.length; i++) { | |||
var id = ids[i]; | |||
for (var j = 0; j < matches.length; j++) { | |||
var match = matches[j]; | |||
if (equal(id, opts.id(match))) { | |||
ordered.push(match); | |||
matches.splice(j, 1); | |||
break; | |||
} | |||
} | |||
} | |||
callback(ordered); | |||
} | |||
}); | |||
}; | |||
} | |||
return opts; | |||
}, | |||
// multi | |||
selectChoice: function (choice) { | |||
var selected = this.container.find(".select2-search-choice-focus"); | |||
if (selected.length && choice && choice[0] == selected[0]) { | |||
} else { | |||
if (selected.length) { | |||
this.opts.element.trigger("choice-deselected", selected); | |||
} | |||
selected.removeClass("select2-search-choice-focus"); | |||
if (choice && choice.length) { | |||
this.close(); | |||
choice.addClass("select2-search-choice-focus"); | |||
this.opts.element.trigger("choice-selected", choice); | |||
} | |||
} | |||
}, | |||
// multi | |||
destroy: function() { | |||
$("label[for='" + this.search.attr('id') + "']") | |||
.attr('for', this.opts.element.attr("id")); | |||
this.parent.destroy.apply(this, arguments); | |||
cleanupJQueryElements.call(this, | |||
"searchContainer", | |||
"selection" | |||
); | |||
}, | |||
// multi | |||
initContainer: function () { | |||
var selector = ".select2-choices", selection; | |||
this.searchContainer = this.container.find(".select2-search-field"); | |||
this.selection = selection = this.container.find(selector); | |||
var _this = this; | |||
this.selection.on("click", ".select2-container:not(.select2-container-disabled) .select2-search-choice:not(.select2-locked)", function (e) { | |||
_this.search[0].focus(); | |||
_this.selectChoice($(this)); | |||
}); | |||
// rewrite labels from original element to focusser | |||
this.search.attr("id", "s2id_autogen"+nextUid()); | |||
this.search.prev() | |||
.text($("label[for='" + this.opts.element.attr("id") + "']").text()) | |||
.attr('for', this.search.attr('id')); | |||
this.opts.element.on('focus.select2', this.bind(function () { this.focus(); })); | |||
this.search.on("input paste", this.bind(function() { | |||
if (this.search.attr('placeholder') && this.search.val().length == 0) return; | |||
if (!this.isInterfaceEnabled()) return; | |||
if (!this.opened()) { | |||
this.open(); | |||
} | |||
})); | |||
this.search.attr("tabindex", this.elementTabIndex); | |||
this.keydowns = 0; | |||
this.search.on("keydown", this.bind(function (e) { | |||
if (!this.isInterfaceEnabled()) return; | |||
++this.keydowns; | |||
var selected = selection.find(".select2-search-choice-focus"); | |||
var prev = selected.prev(".select2-search-choice:not(.select2-locked)"); | |||
var next = selected.next(".select2-search-choice:not(.select2-locked)"); | |||
var pos = getCursorInfo(this.search); | |||
if (selected.length && | |||
(e.which == KEY.LEFT || e.which == KEY.RIGHT || e.which == KEY.BACKSPACE || e.which == KEY.DELETE || e.which == KEY.ENTER)) { | |||
var selectedChoice = selected; | |||
if (e.which == KEY.LEFT && prev.length) { | |||
selectedChoice = prev; | |||
} | |||
else if (e.which == KEY.RIGHT) { | |||
selectedChoice = next.length ? next : null; | |||
} | |||
else if (e.which === KEY.BACKSPACE) { | |||
if (this.unselect(selected.first())) { | |||
this.search.width(10); | |||
selectedChoice = prev.length ? prev : next; | |||
} | |||
} else if (e.which == KEY.DELETE) { | |||
if (this.unselect(selected.first())) { | |||
this.search.width(10); | |||
selectedChoice = next.length ? next : null; | |||
} | |||
} else if (e.which == KEY.ENTER) { | |||
selectedChoice = null; | |||
} | |||
this.selectChoice(selectedChoice); | |||
killEvent(e); | |||
if (!selectedChoice || !selectedChoice.length) { | |||
this.open(); | |||
} | |||
return; | |||
} else if (((e.which === KEY.BACKSPACE && this.keydowns == 1) | |||
|| e.which == KEY.LEFT) && (pos.offset == 0 && !pos.length)) { | |||
this.selectChoice(selection.find(".select2-search-choice:not(.select2-locked)").last()); | |||
killEvent(e); | |||
return; | |||
} else { | |||
this.selectChoice(null); | |||
} | |||
if (this.opened()) { | |||
switch (e.which) { | |||
case KEY.UP: | |||
case KEY.DOWN: | |||
this.moveHighlight((e.which === KEY.UP) ? -1 : 1); | |||
killEvent(e); | |||
return; | |||
case KEY.ENTER: | |||
this.selectHighlighted(); | |||
killEvent(e); | |||
return; | |||
case KEY.TAB: | |||
this.selectHighlighted({noFocus:true}); | |||
this.close(); | |||
return; | |||
case KEY.ESC: | |||
this.cancel(e); | |||
killEvent(e); | |||
return; | |||
} | |||
} | |||
if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) | |||
|| e.which === KEY.BACKSPACE || e.which === KEY.ESC) { | |||
return; | |||
} | |||
if (e.which === KEY.ENTER) { | |||
if (this.opts.openOnEnter === false) { | |||
return; | |||
} else if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) { | |||
return; | |||
} | |||
} | |||
this.open(); | |||
if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) { | |||
// prevent the page from scrolling | |||
killEvent(e); | |||
} | |||
if (e.which === KEY.ENTER) { | |||
// prevent form from being submitted | |||
killEvent(e); | |||
} | |||
})); | |||
this.search.on("keyup", this.bind(function (e) { | |||
this.keydowns = 0; | |||
this.resizeSearch(); | |||
}) | |||
); | |||
this.search.on("blur", this.bind(function(e) { | |||
this.container.removeClass("select2-container-active"); | |||
this.search.removeClass("select2-focused"); | |||
this.selectChoice(null); | |||
if (!this.opened()) this.clearSearch(); | |||
e.stopImmediatePropagation(); | |||
this.opts.element.trigger($.Event("select2-blur")); | |||
})); | |||
this.container.on("click", selector, this.bind(function (e) { | |||
if (!this.isInterfaceEnabled()) return; | |||
if ($(e.target).closest(".select2-search-choice").length > 0) { | |||
// clicked inside a select2 search choice, do not open | |||
return; | |||
} | |||
this.selectChoice(null); | |||
this.clearPlaceholder(); | |||
if (!this.container.hasClass("select2-container-active")) { | |||
this.opts.element.trigger($.Event("select2-focus")); | |||
} | |||
this.open(); | |||
this.focusSearch(); | |||
e.preventDefault(); | |||
})); | |||
this.container.on("focus", selector, this.bind(function () { | |||
if (!this.isInterfaceEnabled()) return; | |||
if (!this.container.hasClass("select2-container-active")) { | |||
this.opts.element.trigger($.Event("select2-focus")); | |||
} | |||
this.container.addClass("select2-container-active"); | |||
this.dropdown.addClass("select2-drop-active"); | |||
this.clearPlaceholder(); | |||
})); | |||
this.initContainerWidth(); | |||
this.opts.element.hide(); | |||
// set the placeholder if necessary | |||
this.clearSearch(); | |||
}, | |||
// multi | |||
enableInterface: function() { | |||
if (this.parent.enableInterface.apply(this, arguments)) { | |||
this.search.prop("disabled", !this.isInterfaceEnabled()); | |||
} | |||
}, | |||
// multi | |||
initSelection: function () { | |||
var data; | |||
if (this.opts.element.val() === "" && this.opts.element.text() === "") { | |||
this.updateSelection([]); | |||
this.close(); | |||
// set the placeholder if necessary | |||
this.clearSearch(); | |||
} | |||
if (this.select || this.opts.element.val() !== "") { | |||
var self = this; | |||
this.opts.initSelection.call(null, this.opts.element, function(data){ | |||
if (data !== undefined && data !== null) { | |||
self.updateSelection(data); | |||
self.close(); | |||
// set the placeholder if necessary | |||
self.clearSearch(); | |||
} | |||
}); | |||
} | |||
}, | |||
// multi | |||
clearSearch: function () { | |||
var placeholder = this.getPlaceholder(), | |||
maxWidth = this.getMaxSearchWidth(); | |||
if (placeholder !== undefined && this.getVal().length === 0 && this.search.hasClass("select2-focused") === false) { | |||
this.search.val(placeholder).addClass("select2-default"); | |||
// stretch the search box to full width of the container so as much of the placeholder is visible as possible | |||
// we could call this.resizeSearch(), but we do not because that requires a sizer and we do not want to create one so early because of a firefox bug, see #944 | |||
this.search.width(maxWidth > 0 ? maxWidth : this.container.css("width")); | |||
} else { | |||
this.search.val("").width(10); | |||
} | |||
}, | |||
// multi | |||
clearPlaceholder: function () { | |||
if (this.search.hasClass("select2-default")) { | |||
this.search.val("").removeClass("select2-default"); | |||
} | |||
}, | |||
// multi | |||
opening: function () { | |||
this.clearPlaceholder(); // should be done before super so placeholder is not used to search | |||
this.resizeSearch(); | |||
this.parent.opening.apply(this, arguments); | |||
this.focusSearch(); | |||
this.prefillNextSearchTerm(); | |||
this.updateResults(true); | |||
if (this.opts.shouldFocusInput(this)) { | |||
this.search.focus(); | |||
} | |||
this.opts.element.trigger($.Event("select2-open")); | |||
}, | |||
// multi | |||
close: function () { | |||
if (!this.opened()) return; | |||
this.parent.close.apply(this, arguments); | |||
}, | |||
// multi | |||
focus: function () { | |||
this.close(); | |||
this.search.focus(); | |||
}, | |||
// multi | |||
isFocused: function () { | |||
return this.search.hasClass("select2-focused"); | |||
}, | |||
// multi | |||
updateSelection: function (data) { | |||
var ids = {}, filtered = [], self = this; | |||
// filter out duplicates | |||
$(data).each(function () { | |||
if (!(self.id(this) in ids)) { | |||
ids[self.id(this)] = 0; | |||
filtered.push(this); | |||
} | |||
}); | |||
this.selection.find(".select2-search-choice").remove(); | |||
this.addSelectedChoice(filtered); | |||
self.postprocessResults(); | |||
}, | |||
// multi | |||
tokenize: function() { | |||
var input = this.search.val(); | |||
input = this.opts.tokenizer.call(this, input, this.data(), this.bind(this.onSelect), this.opts); | |||
if (input != null && input != undefined) { | |||
this.search.val(input); | |||
if (input.length > 0) { | |||
this.open(); | |||
} | |||
} | |||
}, | |||
// multi | |||
onSelect: function (data, options) { | |||
if (!this.triggerSelect(data) || data.text === "") { return; } | |||
this.addSelectedChoice(data); | |||
this.opts.element.trigger({ type: "selected", val: this.id(data), choice: data }); | |||
// keep track of the search's value before it gets cleared | |||
this.lastSearchTerm = this.search.val(); | |||
this.clearSearch(); | |||
this.updateResults(); | |||
if (this.select || !this.opts.closeOnSelect) this.postprocessResults(data, false, this.opts.closeOnSelect===true); | |||
if (this.opts.closeOnSelect) { | |||
this.close(); | |||
this.search.width(10); | |||
} else { | |||
if (this.countSelectableResults()>0) { | |||
this.search.width(10); | |||
this.resizeSearch(); | |||
if (this.getMaximumSelectionSize() > 0 && this.val().length >= this.getMaximumSelectionSize()) { | |||
// if we reached max selection size repaint the results so choices | |||
// are replaced with the max selection reached message | |||
this.updateResults(true); | |||
} else { | |||
// initializes search's value with nextSearchTerm and update search result | |||
if (this.prefillNextSearchTerm()) { | |||
this.updateResults(); | |||
} | |||
} | |||
this.positionDropdown(); | |||
} else { | |||
// if nothing left to select close | |||
this.close(); | |||
this.search.width(10); | |||
} | |||
} | |||
// since its not possible to select an element that has already been | |||
// added we do not need to check if this is a new element before firing change | |||
this.triggerChange({ added: data }); | |||
if (!options || !options.noFocus) | |||
this.focusSearch(); | |||
}, | |||
// multi | |||
cancel: function () { | |||
this.close(); | |||
this.focusSearch(); | |||
}, | |||
addSelectedChoice: function (data) { | |||
var val = this.getVal(), self = this; | |||
$(data).each(function () { | |||
val.push(self.createChoice(this)); | |||
}); | |||
this.setVal(val); | |||
}, | |||
createChoice: function (data) { | |||
var enableChoice = !data.locked, | |||
enabledItem = $( | |||
"<li class='select2-search-choice'>" + | |||
" <div></div>" + | |||
" <a href='#' class='select2-search-choice-close' tabindex='-1'></a>" + | |||
"</li>"), | |||
disabledItem = $( | |||
"<li class='select2-search-choice select2-locked'>" + | |||
"<div></div>" + | |||
"</li>"); | |||
var choice = enableChoice ? enabledItem : disabledItem, | |||
id = this.id(data), | |||
formatted, | |||
cssClass; | |||
formatted=this.opts.formatSelection(data, choice.find("div"), this.opts.escapeMarkup); | |||
if (formatted != undefined) { | |||
choice.find("div").replaceWith($("<div></div>").html(formatted)); | |||
} | |||
cssClass=this.opts.formatSelectionCssClass(data, choice.find("div")); | |||
if (cssClass != undefined) { | |||
choice.addClass(cssClass); | |||
} | |||
if(enableChoice){ | |||
choice.find(".select2-search-choice-close") | |||
.on("mousedown", killEvent) | |||
.on("click dblclick", this.bind(function (e) { | |||
if (!this.isInterfaceEnabled()) return; | |||
this.unselect($(e.target)); | |||
this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus"); | |||
killEvent(e); | |||
this.close(); | |||
this.focusSearch(); | |||
})).on("focus", this.bind(function () { | |||
if (!this.isInterfaceEnabled()) return; | |||
this.container.addClass("select2-container-active"); | |||
this.dropdown.addClass("select2-drop-active"); | |||
})); | |||
} | |||
choice.data("select2-data", data); | |||
choice.insertBefore(this.searchContainer); | |||
return id; | |||
}, | |||
// multi | |||
unselect: function (selected) { | |||
var val = this.getVal(), | |||
data, | |||
index; | |||
selected = selected.closest(".select2-search-choice"); | |||
if (selected.length === 0) { | |||
throw "Invalid argument: " + selected + ". Must be .select2-search-choice"; | |||
} | |||
data = selected.data("select2-data"); | |||
if (!data) { | |||
// prevent a race condition when the 'x' is clicked really fast repeatedly the event can be queued | |||
// and invoked on an element already removed | |||
return; | |||
} | |||
var evt = $.Event("select2-removing"); | |||
evt.val = this.id(data); | |||
evt.choice = data; | |||
this.opts.element.trigger(evt); | |||
if (evt.isDefaultPrevented()) { | |||
return false; | |||
} | |||
while((index = indexOf(this.id(data), val)) >= 0) { | |||
val.splice(index, 1); | |||
this.setVal(val); | |||
if (this.select) this.postprocessResults(); | |||
} | |||
selected.remove(); | |||
this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data }); | |||
this.triggerChange({ removed: data }); | |||
return true; | |||
}, | |||
// multi | |||
postprocessResults: function (data, initial, noHighlightUpdate) { | |||
var val = this.getVal(), | |||
choices = this.results.find(".select2-result"), | |||
compound = this.results.find(".select2-result-with-children"), | |||
self = this; | |||
choices.each2(function (i, choice) { | |||
var id = self.id(choice.data("select2-data")); | |||
if (indexOf(id, val) >= 0) { | |||
choice.addClass("select2-selected"); | |||
// mark all children of the selected parent as selected | |||
choice.find(".select2-result-selectable").addClass("select2-selected"); | |||
} | |||
}); | |||
compound.each2(function(i, choice) { | |||
// hide an optgroup if it doesn't have any selectable children | |||
if (!choice.is('.select2-result-selectable') | |||
&& choice.find(".select2-result-selectable:not(.select2-selected)").length === 0) { | |||
choice.addClass("select2-selected"); | |||
} | |||
}); | |||
if (this.highlight() == -1 && noHighlightUpdate !== false && this.opts.closeOnSelect === true){ | |||
self.highlight(0); | |||
} | |||
//If all results are chosen render formatNoMatches | |||
if(!this.opts.createSearchChoice && !choices.filter('.select2-result:not(.select2-selected)').length > 0){ | |||
if(!data || data && !data.more && this.results.find(".select2-no-results").length === 0) { | |||
if (checkFormatter(self.opts.formatNoMatches, "formatNoMatches")) { | |||
this.results.append("<li class='select2-no-results'>" + evaluate(self.opts.formatNoMatches, self.opts.element, self.search.val()) + "</li>"); | |||
} | |||
} | |||
} | |||
}, | |||
// multi | |||
getMaxSearchWidth: function() { | |||
return this.selection.width() - getSideBorderPadding(this.search); | |||
}, | |||
// multi | |||
resizeSearch: function () { | |||
var minimumWidth, left, maxWidth, containerLeft, searchWidth, | |||
sideBorderPadding = getSideBorderPadding(this.search); | |||
minimumWidth = measureTextWidth(this.search) + 10; | |||
left = this.search.offset().left; | |||
maxWidth = this.selection.width(); | |||
containerLeft = this.selection.offset().left; | |||
searchWidth = maxWidth - (left - containerLeft) - sideBorderPadding; | |||
if (searchWidth < minimumWidth) { | |||
searchWidth = maxWidth - sideBorderPadding; | |||
} | |||
if (searchWidth < 40) { | |||
searchWidth = maxWidth - sideBorderPadding; | |||
} | |||
if (searchWidth <= 0) { | |||
searchWidth = minimumWidth; | |||
} | |||
this.search.width(Math.floor(searchWidth)); | |||
}, | |||
// multi | |||
getVal: function () { | |||
var val; | |||
if (this.select) { | |||
val = this.select.val(); | |||
return val === null ? [] : val; | |||
} else { | |||
val = this.opts.element.val(); | |||
return splitVal(val, this.opts.separator, this.opts.transformVal); | |||
} | |||
}, | |||
// multi | |||
setVal: function (val) { | |||
if (this.select) { | |||
this.select.val(val); | |||
} else { | |||
var unique = [], valMap = {}; | |||
// filter out duplicates | |||
$(val).each(function () { | |||
if (!(this in valMap)) { | |||
unique.push(this); | |||
valMap[this] = 0; | |||
} | |||
}); | |||
this.opts.element.val(unique.length === 0 ? "" : unique.join(this.opts.separator)); | |||
} | |||
}, | |||
// multi | |||
buildChangeDetails: function (old, current) { | |||
var current = current.slice(0), | |||
old = old.slice(0); | |||
// remove intersection from each array | |||
for (var i = 0; i < current.length; i++) { | |||
for (var j = 0; j < old.length; j++) { | |||
if (equal(this.opts.id(current[i]), this.opts.id(old[j]))) { | |||
current.splice(i, 1); | |||
i--; | |||
old.splice(j, 1); | |||
break; | |||
} | |||
} | |||
} | |||
return {added: current, removed: old}; | |||
}, | |||
// multi | |||
val: function (val, triggerChange) { | |||
var oldData, self=this; | |||
if (arguments.length === 0) { | |||
return this.getVal(); | |||
} | |||
oldData=this.data(); | |||
if (!oldData.length) oldData=[]; | |||
// val is an id. !val is true for [undefined,null,'',0] - 0 is legal | |||
if (!val && val !== 0) { | |||
this.opts.element.val(""); | |||
this.updateSelection([]); | |||
this.clearSearch(); | |||
if (triggerChange) { | |||
this.triggerChange({added: this.data(), removed: oldData}); | |||
} | |||
return; | |||
} | |||
// val is a list of ids | |||
this.setVal(val); | |||
if (this.select) { | |||
this.opts.initSelection(this.select, this.bind(this.updateSelection)); | |||
if (triggerChange) { | |||
this.triggerChange(this.buildChangeDetails(oldData, this.data())); | |||
} | |||
} else { | |||
if (this.opts.initSelection === undefined) { | |||
throw new Error("val() cannot be called if initSelection() is not defined"); | |||
} | |||
this.opts.initSelection(this.opts.element, function(data){ | |||
var ids=$.map(data, self.id); | |||
self.setVal(ids); | |||
self.updateSelection(data); | |||
self.clearSearch(); | |||
if (triggerChange) { | |||
self.triggerChange(self.buildChangeDetails(oldData, self.data())); | |||
} | |||
}); | |||
} | |||
this.clearSearch(); | |||
}, | |||
// multi | |||
onSortStart: function() { | |||
if (this.select) { | |||
throw new Error("Sorting of elements is not supported when attached to <select>. Attach to <input type='hidden'/> instead."); | |||
} | |||
// collapse search field into 0 width so its container can be collapsed as well | |||
this.search.width(0); | |||
// hide the container | |||
this.searchContainer.hide(); | |||
}, | |||
// multi | |||
onSortEnd:function() { | |||
var val=[], self=this; | |||
// show search and move it to the end of the list | |||
this.searchContainer.show(); | |||
// make sure the search container is the last item in the list | |||
this.searchContainer.appendTo(this.searchContainer.parent()); | |||
// since we collapsed the width in dragStarted, we resize it here | |||
this.resizeSearch(); | |||
// update selection | |||
this.selection.find(".select2-search-choice").each(function() { | |||
val.push(self.opts.id($(this).data("select2-data"))); | |||
}); | |||
this.setVal(val); | |||
this.triggerChange(); | |||
}, | |||
// multi | |||
data: function(values, triggerChange) { | |||
var self=this, ids, old; | |||
if (arguments.length === 0) { | |||
return this.selection | |||
.children(".select2-search-choice") | |||
.map(function() { return $(this).data("select2-data"); }) | |||
.get(); | |||
} else { | |||
old = this.data(); | |||
if (!values) { values = []; } | |||
ids = $.map(values, function(e) { return self.opts.id(e); }); | |||
this.setVal(ids); | |||
this.updateSelection(values); | |||
this.clearSearch(); | |||
if (triggerChange) { | |||
this.triggerChange(this.buildChangeDetails(old, this.data())); | |||
} | |||
} | |||
} | |||
}); | |||
$.fn.select2 = function () { | |||
var args = Array.prototype.slice.call(arguments, 0), | |||
opts, | |||
select2, | |||
method, value, multiple, | |||
allowedMethods = ["val", "destroy", "opened", "open", "close", "focus", "isFocused", "container", "dropdown", "onSortStart", "onSortEnd", "enable", "disable", "readonly", "positionDropdown", "data", "search"], | |||
valueMethods = ["opened", "isFocused", "container", "dropdown"], | |||
propertyMethods = ["val", "data"], | |||
methodsMap = { search: "externalSearch" }; | |||
this.each(function () { | |||
if (args.length === 0 || typeof(args[0]) === "object") { | |||
opts = args.length === 0 ? {} : $.extend({}, args[0]); | |||
opts.element = $(this); | |||
if (opts.element.get(0).tagName.toLowerCase() === "select") { | |||
multiple = opts.element.prop("multiple"); | |||
} else { | |||
multiple = opts.multiple || false; | |||
if ("tags" in opts) {opts.multiple = multiple = true;} | |||
} | |||
select2 = multiple ? new window.Select2["class"].multi() : new window.Select2["class"].single(); | |||
select2.init(opts); | |||
} else if (typeof(args[0]) === "string") { | |||
if (indexOf(args[0], allowedMethods) < 0) { | |||
throw "Unknown method: " + args[0]; | |||
} | |||
value = undefined; | |||
select2 = $(this).data("select2"); | |||
if (select2 === undefined) return; | |||
method=args[0]; | |||
if (method === "container") { | |||
value = select2.container; | |||
} else if (method === "dropdown") { | |||
value = select2.dropdown; | |||
} else { | |||
if (methodsMap[method]) method = methodsMap[method]; | |||
value = select2[method].apply(select2, args.slice(1)); | |||
} | |||
if (indexOf(args[0], valueMethods) >= 0 | |||
|| (indexOf(args[0], propertyMethods) >= 0 && args.length == 1)) { | |||
return false; // abort the iteration, ready to return first matched value | |||
} | |||
} else { | |||
throw "Invalid arguments to select2 plugin: " + args; | |||
} | |||
}); | |||
return (value === undefined) ? this : value; | |||
}; | |||
// plugin defaults, accessible to users | |||
$.fn.select2.defaults = { | |||
debug: false, | |||
width: "copy", | |||
loadMorePadding: 0, | |||
closeOnSelect: true, | |||
openOnEnter: true, | |||
containerCss: {}, | |||
dropdownCss: {}, | |||
containerCssClass: "", | |||
dropdownCssClass: "", | |||
formatResult: function(result, container, query, escapeMarkup) { | |||
var markup=[]; | |||
markMatch(this.text(result), query.term, markup, escapeMarkup); | |||
return markup.join(""); | |||
}, | |||
transformVal: function(val) { | |||
return $.trim(val); | |||
}, | |||
formatSelection: function (data, container, escapeMarkup) { | |||
return data ? escapeMarkup(this.text(data)) : undefined; | |||
}, | |||
sortResults: function (results, container, query) { | |||
return results; | |||
}, | |||
formatResultCssClass: function(data) {return data.css;}, | |||
formatSelectionCssClass: function(data, container) {return undefined;}, | |||
minimumResultsForSearch: 0, | |||
minimumInputLength: 0, | |||
maximumInputLength: null, | |||
maximumSelectionSize: 0, | |||
id: function (e) { return e == undefined ? null : e.id; }, | |||
text: function (e) { | |||
if (e && this.data && this.data.text) { | |||
if ($.isFunction(this.data.text)) { | |||
return this.data.text(e); | |||
} else { | |||
return e[this.data.text]; | |||
} | |||
} else { | |||
return e.text; | |||
} | |||
}, | |||
matcher: function(term, text) { | |||
return stripDiacritics(''+text).toUpperCase().indexOf(stripDiacritics(''+term).toUpperCase()) >= 0; | |||
}, | |||
separator: ",", | |||
tokenSeparators: [], | |||
tokenizer: defaultTokenizer, | |||
escapeMarkup: defaultEscapeMarkup, | |||
blurOnChange: false, | |||
selectOnBlur: false, | |||
adaptContainerCssClass: function(c) { return c; }, | |||
adaptDropdownCssClass: function(c) { return null; }, | |||
nextSearchTerm: function(selectedObject, currentSearchTerm) { return undefined; }, | |||
searchInputPlaceholder: '', | |||
createSearchChoicePosition: 'top', | |||
shouldFocusInput: function (instance) { | |||
// Attempt to detect touch devices | |||
var supportsTouchEvents = (('ontouchstart' in window) || | |||
(navigator.msMaxTouchPoints > 0)); | |||
// Only devices which support touch events should be special cased | |||
if (!supportsTouchEvents) { | |||
return true; | |||
} | |||
// Never focus the input if search is disabled | |||
if (instance.opts.minimumResultsForSearch < 0) { | |||
return false; | |||
} | |||
return true; | |||
} | |||
}; | |||
$.fn.select2.locales = []; | |||
$.fn.select2.locales['en'] = { | |||
formatMatches: function (matches) { if (matches === 1) { return "One result is available, press enter to select it."; } return matches + " results are available, use up and down arrow keys to navigate."; }, | |||
formatNoMatches: function () { return "No matches found"; }, | |||
formatAjaxError: function (jqXHR, textStatus, errorThrown) { return "Loading failed"; }, | |||
formatInputTooShort: function (input, min) { var n = min - input.length; return "Please enter " + n + " or more character" + (n == 1 ? "" : "s"); }, | |||
formatInputTooLong: function (input, max) { var n = input.length - max; return "Please delete " + n + " character" + (n == 1 ? "" : "s"); }, | |||
formatSelectionTooBig: function (limit) { return "You can only select " + limit + " item" + (limit == 1 ? "" : "s"); }, | |||
formatLoadMore: function (pageNumber) { return "Loading more results…"; }, | |||
formatSearching: function () { return "Searching…"; } | |||
}; | |||
$.extend($.fn.select2.defaults, $.fn.select2.locales['en']); | |||
$.fn.select2.ajaxDefaults = { | |||
transport: $.ajax, | |||
params: { | |||
type: "GET", | |||
cache: false, | |||
dataType: "json" | |||
} | |||
}; | |||
// exports | |||
window.Select2 = { | |||
query: { | |||
ajax: ajax, | |||
local: local, | |||
tags: tags | |||
}, util: { | |||
debounce: debounce, | |||
markMatch: markMatch, | |||
escapeMarkup: defaultEscapeMarkup, | |||
stripDiacritics: stripDiacritics | |||
}, "class": { | |||
"abstract": AbstractSelect2, | |||
"single": SingleSelect2, | |||
"multi": MultiSelect2 | |||
} | |||
}; | |||
}(jQuery)); |