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JavaScript
/*!
* Bootstrap-select v1.13.5 (https://developer.snapappointments.com/bootstrap-select)
*
* Copyright 2012-2018 SnapAppointments, LLC
* Licensed under MIT (https://github.com/snapappointments/bootstrap-select/blob/master/LICENSE)
*/
(function (root, factory) {
if (root === undefined && window !== undefined) root = window;
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module unless amdModuleId is set
define(["jquery"], function (a0) {
return (factory(a0));
});
} else if (typeof module === 'object' && module.exports) {
// Node. Does not work with strict CommonJS, but
// only CommonJS-like environments that support module.exports,
// like Node.
module.exports = factory(require("jquery"));
} else {
factory(root["jQuery"]);
}
}(this, function (jQuery) {
(function ($) {
'use strict';
// Polyfill for browsers with no classList support
// Remove in v2
if (!('classList' in document.createElement('_'))) {
(function (view) {
if (!('Element' in view)) return;
var classListProp = 'classList',
protoProp = 'prototype',
elemCtrProto = view.Element[protoProp],
objCtr = Object,
classListGetter = function () {
var $elem = $(this);
return {
add: function (classes) {
return $elem.addClass(classes);
},
remove: function (classes) {
return $elem.removeClass(classes);
},
toggle: function (classes, force) {
return $elem.toggleClass(classes, force);
},
contains: function (classes) {
return $elem.hasClass(classes);
}
}
};
if (objCtr.defineProperty) {
var classListPropDesc = {
get: classListGetter,
enumerable: true,
configurable: true
};
try {
objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
} catch (ex) { // IE 8 doesn't support enumerable:true
// adding undefined to fight this issue https://github.com/eligrey/classList.js/issues/36
// modernie IE8-MSW7 machine has IE8 8.0.6001.18702 and is affected
if (ex.number === undefined || ex.number === -0x7FF5EC54) {
classListPropDesc.enumerable = false;
objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
}
}
} else if (objCtr[protoProp].__defineGetter__) {
elemCtrProto.__defineGetter__(classListProp, classListGetter);
}
}(window));
}
var testElement = document.createElement('_');
testElement.classList.toggle('c3', false);
// Polyfill for IE 10 and Firefox <24, where classList.toggle does not
// support the second argument.
if (testElement.classList.contains('c3')) {
var _toggle = DOMTokenList.prototype.toggle;
DOMTokenList.prototype.toggle = function (token, force) {
if (1 in arguments && !this.contains(token) === !force) {
return force;
} else {
return _toggle.call(this, token);
}
};
}
testElement = null;
// shallow array comparison
function isEqual (array1, array2) {
return array1.length === array2.length && array1.every(function (element, index) {
return element === array2[index];
});
};
// <editor-fold desc="Shims">
if (!String.prototype.startsWith) {
(function () {
'use strict'; // needed to support `apply`/`call` with `undefined`/`null`
var defineProperty = (function () {
// IE 8 only supports `Object.defineProperty` on DOM elements
try {
var object = {};
var $defineProperty = Object.defineProperty;
var result = $defineProperty(object, object, object) && $defineProperty;
} catch (error) {
}
return result;
}());
var toString = {}.toString;
var startsWith = function (search) {
if (this == null) {
throw new TypeError();
}
var string = String(this);
if (search && toString.call(search) == '[object RegExp]') {
throw new TypeError();
}
var stringLength = string.length;
var searchString = String(search);
var searchLength = searchString.length;
var position = arguments.length > 1 ? arguments[1] : undefined;
// `ToInteger`
var pos = position ? Number(position) : 0;
if (pos != pos) { // better `isNaN`
pos = 0;
}
var start = Math.min(Math.max(pos, 0), stringLength);
// Avoid the `indexOf` call if no match is possible
if (searchLength + start > stringLength) {
return false;
}
var index = -1;
while (++index < searchLength) {
if (string.charCodeAt(start + index) != searchString.charCodeAt(index)) {
return false;
}
}
return true;
};
if (defineProperty) {
defineProperty(String.prototype, 'startsWith', {
'value': startsWith,
'configurable': true,
'writable': true
});
} else {
String.prototype.startsWith = startsWith;
}
}());
}
if (!Object.keys) {
Object.keys = function (
o, // object
k, // key
r // result array
) {
// initialize object and result
r = [];
// iterate over object keys
for (k in o) {
// fill result array with non-prototypical keys
r.hasOwnProperty.call(o, k) && r.push(k);
}
// return result
return r;
};
}
// much faster than $.val()
function getSelectValues (select) {
var result = [];
var options = select && select.options;
var opt;
if (select.multiple) {
for (var i = 0, len = options.length; i < len; i++) {
opt = options[i];
if (opt.selected) {
result.push(opt.value || opt.text);
}
}
} else {
result = select.value;
}
return result;
}
// set data-selected on select element if the value has been programmatically selected
// prior to initialization of bootstrap-select
// * consider removing or replacing an alternative method *
var valHooks = {
useDefault: false,
_set: $.valHooks.select.set
};
$.valHooks.select.set = function (elem, value) {
if (value && !valHooks.useDefault) $(elem).data('selected', true);
return valHooks._set.apply(this, arguments);
};
var changedArguments = null;
var EventIsSupported = (function () {
try {
new Event('change');
return true;
} catch (e) {
return false;
}
})();
$.fn.triggerNative = function (eventName) {
var el = this[0],
event;
if (el.dispatchEvent) { // for modern browsers & IE9+
if (EventIsSupported) {
// For modern browsers
event = new Event(eventName, {
bubbles: true
});
} else {
// For IE since it doesn't support Event constructor
event = document.createEvent('Event');
event.initEvent(eventName, true, false);
}
el.dispatchEvent(event);
} else if (el.fireEvent) { // for IE8
event = document.createEventObject();
event.eventType = eventName;
el.fireEvent('on' + eventName, event);
} else {
// fall back to jQuery.trigger
this.trigger(eventName);
}
};
// </editor-fold>
function stringSearch (li, searchString, method, normalize) {
var stringTypes = [
'content',
'subtext',
'tokens'
],
searchSuccess = false;
for (var i = 0; i < stringTypes.length; i++) {
var stringType = stringTypes[i],
string = li[stringType];
if (string) {
string = string.toString();
// Strip HTML tags. This isn't perfect, but it's much faster than any other method
if (stringType === 'content') {
string = string.replace(/<[^>]+>/g, '');
}
if (normalize) string = normalizeToBase(string);
string = string.toUpperCase();
if (method === 'contains') {
searchSuccess = string.indexOf(searchString) >= 0;
} else {
searchSuccess = string.startsWith(searchString);
}
if (searchSuccess) break;
}
}
return searchSuccess;
}
function toInteger (value) {
return parseInt(value, 10) || 0;
}
// Borrowed from Lodash (_.deburr)
/** Used to map Latin Unicode letters to basic Latin letters. */
var deburredLetters = {
// Latin-1 Supplement block.
'\xc0': 'A', '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
'\xe0': 'a', '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
'\xc7': 'C', '\xe7': 'c',
'\xd0': 'D', '\xf0': 'd',
'\xc8': 'E', '\xc9': 'E', '\xca': 'E', '\xcb': 'E',
'\xe8': 'e', '\xe9': 'e', '\xea': 'e', '\xeb': 'e',
'\xcc': 'I', '\xcd': 'I', '\xce': 'I', '\xcf': 'I',
'\xec': 'i', '\xed': 'i', '\xee': 'i', '\xef': 'i',
'\xd1': 'N', '\xf1': 'n',
'\xd2': 'O', '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O',
'\xf2': 'o', '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o',
'\xd9': 'U', '\xda': 'U', '\xdb': 'U', '\xdc': 'U',
'\xf9': 'u', '\xfa': 'u', '\xfb': 'u', '\xfc': 'u',
'\xdd': 'Y', '\xfd': 'y', '\xff': 'y',
'\xc6': 'Ae', '\xe6': 'ae',
'\xde': 'Th', '\xfe': 'th',
'\xdf': 'ss',
// Latin Extended-A block.
'\u0100': 'A', '\u0102': 'A', '\u0104': 'A',
'\u0101': 'a', '\u0103': 'a', '\u0105': 'a',
'\u0106': 'C', '\u0108': 'C', '\u010a': 'C', '\u010c': 'C',
'\u0107': 'c', '\u0109': 'c', '\u010b': 'c', '\u010d': 'c',
'\u010e': 'D', '\u0110': 'D', '\u010f': 'd', '\u0111': 'd',
'\u0112': 'E', '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E',
'\u0113': 'e', '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e',
'\u011c': 'G', '\u011e': 'G', '\u0120': 'G', '\u0122': 'G',
'\u011d': 'g', '\u011f': 'g', '\u0121': 'g', '\u0123': 'g',
'\u0124': 'H', '\u0126': 'H', '\u0125': 'h', '\u0127': 'h',
'\u0128': 'I', '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I',
'\u0129': 'i', '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i',
'\u0134': 'J', '\u0135': 'j',
'\u0136': 'K', '\u0137': 'k', '\u0138': 'k',
'\u0139': 'L', '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L',
'\u013a': 'l', '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l',
'\u0143': 'N', '\u0145': 'N', '\u0147': 'N', '\u014a': 'N',
'\u0144': 'n', '\u0146': 'n', '\u0148': 'n', '\u014b': 'n',
'\u014c': 'O', '\u014e': 'O', '\u0150': 'O',
'\u014d': 'o', '\u014f': 'o', '\u0151': 'o',
'\u0154': 'R', '\u0156': 'R', '\u0158': 'R',
'\u0155': 'r', '\u0157': 'r', '\u0159': 'r',
'\u015a': 'S', '\u015c': 'S', '\u015e': 'S', '\u0160': 'S',
'\u015b': 's', '\u015d': 's', '\u015f': 's', '\u0161': 's',
'\u0162': 'T', '\u0164': 'T', '\u0166': 'T',
'\u0163': 't', '\u0165': 't', '\u0167': 't',
'\u0168': 'U', '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U',
'\u0169': 'u', '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u',
'\u0174': 'W', '\u0175': 'w',
'\u0176': 'Y', '\u0177': 'y', '\u0178': 'Y',
'\u0179': 'Z', '\u017b': 'Z', '\u017d': 'Z',
'\u017a': 'z', '\u017c': 'z', '\u017e': 'z',
'\u0132': 'IJ', '\u0133': 'ij',
'\u0152': 'Oe', '\u0153': 'oe',
'\u0149': "'n", '\u017f': 's'
};
/** Used to match Latin Unicode letters (excluding mathematical operators). */
var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;
/** Used to compose unicode character classes. */
var rsComboMarksRange = '\\u0300-\\u036f',
reComboHalfMarksRange = '\\ufe20-\\ufe2f',
rsComboSymbolsRange = '\\u20d0-\\u20ff',
rsComboMarksExtendedRange = '\\u1ab0-\\u1aff',
rsComboMarksSupplementRange = '\\u1dc0-\\u1dff',
rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange + rsComboMarksExtendedRange + rsComboMarksSupplementRange;
/** Used to compose unicode capture groups. */
var rsCombo = '[' + rsComboRange + ']';
/**
* Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and
* [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).
*/
var reComboMark = RegExp(rsCombo, 'g');
function deburrLetter (key) {
return deburredLetters[key];
};
function normalizeToBase (string) {
string = string.toString();
return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
}
// List of HTML entities for escaping.
var escapeMap = {
'&': '&',
'<': '<',
'>': '>',
'"': '"',
"'": ''',
'`': '`'
};
var unescapeMap = {
'&': '&',
'<': '<',
'>': '>',
'"': '"',
''': "'",
'`': '`'
};
// Functions for escaping and unescaping strings to/from HTML interpolation.
var createEscaper = function (map) {
var escaper = function (match) {
return map[match];
};
// Regexes for identifying a key that needs to be escaped.
var source = '(?:' + Object.keys(map).join('|') + ')';
var testRegexp = RegExp(source);
var replaceRegexp = RegExp(source, 'g');
return function (string) {
string = string == null ? '' : '' + string;
return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string;
};
};
var htmlEscape = createEscaper(escapeMap);
var htmlUnescape = createEscaper(unescapeMap);
/**
* ------------------------------------------------------------------------
* Constants
* ------------------------------------------------------------------------
*/
var keyCodeMap = {
32: ' ',
48: '0',
49: '1',
50: '2',
51: '3',
52: '4',
53: '5',
54: '6',
55: '7',
56: '8',
57: '9',
59: ';',
65: 'A',
66: 'B',
67: 'C',
68: 'D',
69: 'E',
70: 'F',
71: 'G',
72: 'H',
73: 'I',
74: 'J',
75: 'K',
76: 'L',
77: 'M',
78: 'N',
79: 'O',
80: 'P',
81: 'Q',
82: 'R',
83: 'S',
84: 'T',
85: 'U',
86: 'V',
87: 'W',
88: 'X',
89: 'Y',
90: 'Z',
96: '0',
97: '1',
98: '2',
99: '3',
100: '4',
101: '5',
102: '6',
103: '7',
104: '8',
105: '9'
};
var keyCodes = {
ESCAPE: 27, // KeyboardEvent.which value for Escape (Esc) key
ENTER: 13, // KeyboardEvent.which value for Enter key
SPACE: 32, // KeyboardEvent.which value for space key
TAB: 9, // KeyboardEvent.which value for tab key
ARROW_UP: 38, // KeyboardEvent.which value for up arrow key
ARROW_DOWN: 40 // KeyboardEvent.which value for down arrow key
}
var version = {
success: false,
major: '3'
};
try {
version.full = ($.fn.dropdown.Constructor.VERSION || '').split(' ')[0].split('.');
version.major = version.full[0];
version.success = true;
} catch (err) {
console.warn(
'There was an issue retrieving Bootstrap\'s version. ' +
'Ensure Bootstrap is being loaded before bootstrap-select and there is no namespace collision. ' +
'If loading Bootstrap asynchronously, the version may need to be manually specified via $.fn.selectpicker.Constructor.BootstrapVersion.',
err
);
}
var selectId = 0;
var EVENT_KEY = '.bs.select';
var classNames = {
DISABLED: 'disabled',
DIVIDER: 'divider',
SHOW: 'open',
DROPUP: 'dropup',
MENU: 'dropdown-menu',
MENURIGHT: 'dropdown-menu-right',
MENULEFT: 'dropdown-menu-left',
// to-do: replace with more advanced template/customization options
BUTTONCLASS: 'btn-default',
POPOVERHEADER: 'popover-title'
}
var Selector = {
MENU: '.' + classNames.MENU
}
if (version.major === '4') {
classNames.DIVIDER = 'dropdown-divider';
classNames.SHOW = 'show';
classNames.BUTTONCLASS = 'btn-light';
classNames.POPOVERHEADER = 'popover-header';
}
var REGEXP_ARROW = new RegExp(keyCodes.ARROW_UP + '|' + keyCodes.ARROW_DOWN);
var REGEXP_TAB_OR_ESCAPE = new RegExp('^' + keyCodes.TAB + '$|' + keyCodes.ESCAPE);
var Selectpicker = function (element, options) {
var that = this;
// bootstrap-select has been initialized - revert valHooks.select.set back to its original function
if (!valHooks.useDefault) {
$.valHooks.select.set = valHooks._set;
valHooks.useDefault = true;
}
this.$element = $(element);
this.$newElement = null;
this.$button = null;
this.$menu = null;
this.options = options;
this.selectpicker = {
main: {
// store originalIndex (key) and newIndex (value) in this.selectpicker.main.map.newIndex for fast accessibility
// allows us to do this.main.elements[this.selectpicker.main.map.newIndex[index]] to select an element based on the originalIndex
map: {
newIndex: {},
originalIndex: {}
}
},
current: {
map: {}
}, // current changes if a search is in progress
search: {
map: {}
},
view: {},
keydown: {
keyHistory: '',
resetKeyHistory: {
start: function () {
return setTimeout(function () {
that.selectpicker.keydown.keyHistory = '';
}, 800);
}
}
}
};
// If we have no title yet, try to pull it from the html title attribute (jQuery doesnt' pick it up as it's not a
// data-attribute)
if (this.options.title === null) {
this.options.title = this.$element.attr('title');
}
// Format window padding
var winPad = this.options.windowPadding;
if (typeof winPad === 'number') {
this.options.windowPadding = [winPad, winPad, winPad, winPad];
}
// Expose public methods
this.val = Selectpicker.prototype.val;
this.render = Selectpicker.prototype.render;
this.refresh = Selectpicker.prototype.refresh;
this.setStyle = Selectpicker.prototype.setStyle;
this.selectAll = Selectpicker.prototype.selectAll;
this.deselectAll = Selectpicker.prototype.deselectAll;
this.destroy = Selectpicker.prototype.destroy;
this.remove = Selectpicker.prototype.remove;
this.show = Selectpicker.prototype.show;
this.hide = Selectpicker.prototype.hide;
this.init();
};
Selectpicker.VERSION = '1.13.5';
Selectpicker.BootstrapVersion = version.major;
// part of this is duplicated in i18n/defaults-en_US.js. Make sure to update both.
Selectpicker.DEFAULTS = {
noneSelectedText: 'Nothing selected',
noneResultsText: 'No results matched {0}',
countSelectedText: function (numSelected, numTotal) {
return (numSelected == 1) ? '{0} item selected' : '{0} items selected';
},
maxOptionsText: function (numAll, numGroup) {
return [
(numAll == 1) ? 'Limit reached ({n} item max)' : 'Limit reached ({n} items max)',
(numGroup == 1) ? 'Group limit reached ({n} item max)' : 'Group limit reached ({n} items max)'
];
},
selectAllText: 'Select All',
deselectAllText: 'Deselect All',
doneButton: false,
doneButtonText: 'Close',
multipleSeparator: ', ',
styleBase: 'btn',
style: classNames.BUTTONCLASS,
size: 'auto',
title: null,
selectedTextFormat: 'values',
width: false,
container: false,
hideDisabled: false,
showSubtext: false,
showIcon: true,
showContent: true,
dropupAuto: true,
header: false,
liveSearch: false,
liveSearchPlaceholder: null,
liveSearchNormalize: false,
liveSearchStyle: 'contains',
actionsBox: false,
iconBase: 'glyphicon',
tickIcon: 'glyphicon-ok',
showTick: false,
template: {
caret: '<span class="caret"></span>'
},
maxOptions: false,
mobile: false,
selectOnTab: false,
dropdownAlignRight: false,
windowPadding: 0,
virtualScroll: 600,
display: false
};
if (version.major === '4') {
Selectpicker.DEFAULTS.style = 'btn-light';
Selectpicker.DEFAULTS.iconBase = '';
Selectpicker.DEFAULTS.tickIcon = 'bs-ok-default';
}
Selectpicker.prototype = {
constructor: Selectpicker,
init: function () {
var that = this,
id = this.$element.attr('id');
this.selectId = selectId++;
this.$element.addClass('bs-select-hidden');
this.multiple = this.$element.prop('multiple');
this.autofocus = this.$element.prop('autofocus');
this.$newElement = this.createDropdown();
this.createLi();
this.$element
.after(this.$newElement)
.prependTo(this.$newElement);
this.$button = this.$newElement.children('button');
this.$menu = this.$newElement.children(Selector.MENU);
this.$menuInner = this.$menu.children('.inner');
this.$searchbox = this.$menu.find('input');
this.$element.removeClass('bs-select-hidden');
if (this.options.dropdownAlignRight === true) this.$menu.addClass(classNames.MENURIGHT);
if (typeof id !== 'undefined') {
this.$button.attr('data-id', id);
}
this.checkDisabled();
this.clickListener();
if (this.options.liveSearch) this.liveSearchListener();
this.render();
this.setStyle();
this.setWidth();
if (this.options.container) {
this.selectPosition();
} else {
this.$element.on('hide' + EVENT_KEY, function () {
if (that.isVirtual()) {
// empty menu on close
var menuInner = that.$menuInner[0],
emptyMenu = menuInner.firstChild.cloneNode(false);
// replace the existing UL with an empty one - this is faster than $.empty() or innerHTML = ''
menuInner.replaceChild(emptyMenu, menuInner.firstChild);
menuInner.scrollTop = 0;
}
});
}
this.$menu.data('this', this);
this.$newElement.data('this', this);
if (this.options.mobile) this.mobile();
this.$newElement.on({
'hide.bs.dropdown': function (e) {
that.$menuInner.attr('aria-expanded', false);
that.$element.trigger('hide' + EVENT_KEY, e);
},
'hidden.bs.dropdown': function (e) {
that.$element.trigger('hidden' + EVENT_KEY, e);
},
'show.bs.dropdown': function (e) {
that.$menuInner.attr('aria-expanded', true);
that.$element.trigger('show' + EVENT_KEY, e);
},
'shown.bs.dropdown': function (e) {
that.$element.trigger('shown' + EVENT_KEY, e);
}
});
if (that.$element[0].hasAttribute('required')) {
this.$element.on('invalid', function () {
that.$button.addClass('bs-invalid');
that.$element
.on('shown' + EVENT_KEY + '.invalid', function () {
that.$element
.val(that.$element.val()) // set the value to hide the validation message in Chrome when menu is opened
.off('shown' + EVENT_KEY + '.invalid');
})
.on('rendered' + EVENT_KEY, function () {
// if select is no longer invalid, remove the bs-invalid class
if (this.validity.valid) that.$button.removeClass('bs-invalid');
that.$element.off('rendered' + EVENT_KEY);
});
that.$button.on('blur' + EVENT_KEY, function () {
that.$element.focus().blur();
that.$button.off('blur' + EVENT_KEY);
});
});
}
setTimeout(function () {
that.$element.trigger('loaded' + EVENT_KEY);
});
},
createDropdown: function () {
// Options
// If we are multiple or showTick option is set, then add the show-tick class
var showTick = (this.multiple || this.options.showTick) ? ' show-tick' : '',
autofocus = this.autofocus ? ' autofocus' : '';
// Elements
var drop,
header = '',
searchbox = '',
actionsbox = '',
donebutton = '';
if (this.options.header) {
header =
'<div class="' + classNames.POPOVERHEADER + '">' +
'<button type="button" class="close" aria-hidden="true">×</button>' +
this.options.header +
'</div>';
}
if (this.options.liveSearch) {
searchbox =
'<div class="bs-searchbox">' +
'<input type="text" class="form-control" autocomplete="off"' +
(
this.options.liveSearchPlaceholder === null ? ''
:
' placeholder="' + htmlEscape(this.options.liveSearchPlaceholder) + '"'
) +
' role="textbox" aria-label="Search">' +
'</div>';
}
if (this.multiple && this.options.actionsBox) {
actionsbox =
'<div class="bs-actionsbox">' +
'<div class="btn-group btn-group-sm btn-block">' +
'<button type="button" class="actions-btn bs-select-all btn ' + classNames.BUTTONCLASS + '">' +
this.options.selectAllText +
'</button>' +
'<button type="button" class="actions-btn bs-deselect-all btn ' + classNames.BUTTONCLASS + '">' +
this.options.deselectAllText +
'</button>' +
'</div>' +
'</div>';
}
if (this.multiple && this.options.doneButton) {
donebutton =
'<div class="bs-donebutton">' +
'<div class="btn-group btn-block">' +
'<button type="button" class="btn btn-sm ' + classNames.BUTTONCLASS + '">' +
this.options.doneButtonText +
'</button>' +
'</div>' +
'</div>';
}
drop =
'<div class="dropdown bootstrap-select' + showTick + '">' +
'<button type="button" class="' + this.options.styleBase + ' dropdown-toggle" ' + (this.options.display === 'static' ? 'data-display="static"' : '') + 'data-toggle="dropdown"' + autofocus + ' role="button">' +
'<div class="filter-option">' +
'<div class="filter-option-inner">' +
'<div class="filter-option-inner-inner"></div>' +
'</div> ' +
'</div>' +
(
version.major === '4' ? ''
:
'<span class="bs-caret">' +
this.options.template.caret +
'</span>'
) +
'</button>' +
'<div class="' + classNames.MENU + ' ' + (version.major === '4' ? '' : classNames.SHOW) + '" role="combobox">' +
header +
searchbox +
actionsbox +
'<div class="inner ' + classNames.SHOW + '" role="listbox" aria-expanded="false" tabindex="-1">' +
'<ul class="' + classNames.MENU + ' inner ' + (version.major === '4' ? classNames.SHOW : '') + '">' +
'</ul>' +
'</div>' +
donebutton +
'</div>' +
'</div>';
return $(drop);
},
setPositionData: function () {
this.selectpicker.view.canHighlight = [];
for (var i = 0; i < this.selectpicker.current.data.length; i++) {
var li = this.selectpicker.current.data[i],
canHighlight = true;
if (li.type === 'divider') {
canHighlight = false;
li.height = this.sizeInfo.dividerHeight;
} else if (li.type === 'optgroup-label') {
canHighlight = false;
li.height = this.sizeInfo.dropdownHeaderHeight;
} else {
li.height = this.sizeInfo.liHeight;
}
if (li.disabled) canHighlight = false;
this.selectpicker.view.canHighlight.push(canHighlight);
li.position = (i === 0 ? 0 : this.selectpicker.current.data[i - 1].position) + li.height;
}
},
isVirtual: function () {
return (this.options.virtualScroll !== false) && (this.selectpicker.main.elements.length >= this.options.virtualScroll) || this.options.virtualScroll === true;
},
createView: function (isSearching, scrollTop) {
scrollTop = scrollTop || 0;
var that = this;
this.selectpicker.current = isSearching ? this.selectpicker.search : this.selectpicker.main;
var active = [];
var selected;
var prevActive;
this.setPositionData();
scroll(scrollTop, true);
this.$menuInner.off('scroll.createView').on('scroll.createView', function (e, updateValue) {
if (!that.noScroll) scroll(this.scrollTop, updateValue);
that.noScroll = false;
});
function scroll (scrollTop, init) {
var size = that.selectpicker.current.elements.length,
chunks = [],
chunkSize,
chunkCount,
firstChunk,
lastChunk,
currentChunk,
prevPositions,
positionIsDifferent,
previousElements,
menuIsDifferent = true,
isVirtual = that.isVirtual();
that.selectpicker.view.scrollTop = scrollTop;
if (isVirtual === true) {
// if an option that is encountered that is wider than the current menu width, update the menu width accordingly
if (that.sizeInfo.hasScrollBar && that.$menu[0].offsetWidth > that.sizeInfo.totalMenuWidth) {
that.sizeInfo.menuWidth = that.$menu[0].offsetWidth;
that.sizeInfo.totalMenuWidth = that.sizeInfo.menuWidth + that.sizeInfo.scrollBarWidth;
that.$menu.css('min-width', that.sizeInfo.menuWidth);
}
}
chunkSize = Math.ceil(that.sizeInfo.menuInnerHeight / that.sizeInfo.liHeight * 1.5); // number of options in a chunk
chunkCount = Math.round(size / chunkSize) || 1; // number of chunks
for (var i = 0; i < chunkCount; i++) {
var endOfChunk = (i + 1) * chunkSize;
if (i === chunkCount - 1) {
endOfChunk = size;
}
chunks[i] = [
(i) * chunkSize + (!i ? 0 : 1),
endOfChunk
];
if (!size) break;
if (currentChunk === undefined && scrollTop <= that.selectpicker.current.data[endOfChunk - 1].position - that.sizeInfo.menuInnerHeight) {
currentChunk = i;
}
}
if (currentChunk === undefined) currentChunk = 0;
prevPositions = [that.selectpicker.view.position0, that.selectpicker.view.position1];
// always display previous, current, and next chunks
firstChunk = Math.max(0, currentChunk - 1);
lastChunk = Math.min(chunkCount - 1, currentChunk + 1);
that.selectpicker.view.position0 = Math.max(0, chunks[firstChunk][0]) || 0;
that.selectpicker.view.position1 = Math.min(size, chunks[lastChunk][1]) || 0;
positionIsDifferent = prevPositions[0] !== that.selectpicker.view.position0 || prevPositions[1] !== that.selectpicker.view.position1;
if (that.activeIndex !== undefined) {
prevActive = that.selectpicker.current.elements[that.selectpicker.current.map.newIndex[that.prevActiveIndex]];
active = that.selectpicker.current.elements[that.selectpicker.current.map.newIndex[that.activeIndex]];
selected = that.selectpicker.current.elements[that.selectpicker.current.map.newIndex[that.selectedIndex]];
if (init) {
if (that.activeIndex !== that.selectedIndex) {
active.classList.remove('active');
if (active.firstChild) active.firstChild.classList.remove('active');
}
that.activeIndex = undefined;
}
if (that.activeIndex && that.activeIndex !== that.selectedIndex && selected && selected.length) {
selected.classList.remove('active');
if (selected.firstChild) selected.firstChild.classList.remove('active');
}
}
if (that.prevActiveIndex !== undefined && that.prevActiveIndex !== that.activeIndex && that.prevActiveIndex !== that.selectedIndex && prevActive && prevActive.length) {
prevActive.classList.remove('active');
if (prevActive.firstChild) prevActive.firstChild.classList.remove('active');
}
if (init || positionIsDifferent) {
previousElements = that.selectpicker.view.visibleElements ? that.selectpicker.view.visibleElements.slice() : [];
that.selectpicker.view.visibleElements = that.selectpicker.current.elements.slice(that.selectpicker.view.position0, that.selectpicker.view.position1);
that.setOptionStatus();
// if searching, check to make sure the list has actually been updated before updating DOM
// this prevents unnecessary repaints
if (isSearching || (isVirtual === false && init)) menuIsDifferent = !isEqual(previousElements, that.selectpicker.view.visibleElements);
// if virtual scroll is disabled and not searching,
// menu should never need to be updated more than once
if ((init || isVirtual === true) && menuIsDifferent) {
var menuInner = that.$menuInner[0],
menuFragment = document.createDocumentFragment(),
emptyMenu = menuInner.firstChild.cloneNode(false),
marginTop,
marginBottom,
elements = isVirtual === true ? that.selectpicker.view.visibleElements : that.selectpicker.current.elements;
// replace the existing UL with an empty one - this is faster than $.empty()
menuInner.replaceChild(emptyMenu, menuInner.firstChild);
for (var i = 0, visibleElementsLen = elements.length; i < visibleElementsLen; i++) {
menuFragment.appendChild(elements[i]);
}
if (isVirtual === true) {
marginTop = (that.selectpicker.view.position0 === 0 ? 0 : that.selectpicker.current.data[that.selectpicker.view.position0 - 1].position);
marginBottom = (that.selectpicker.view.position1 > size - 1 ? 0 : that.selectpicker.current.data[size - 1].position - that.selectpicker.current.data[that.selectpicker.view.position1 - 1].position);
menuInner.firstChild.style.marginTop = marginTop + 'px';
menuInner.firstChild.style.marginBottom = marginBottom + 'px';
}
menuInner.firstChild.appendChild(menuFragment);
}
}
that.prevActiveIndex = that.activeIndex;
if (!that.options.liveSearch) {
that.$menuInner.focus();
} else if (isSearching && init) {
var index = 0,
newActive;
if (!that.selectpicker.view.canHighlight[index]) {
index = 1 + that.selectpicker.view.canHighlight.slice(1).indexOf(true);
}
newActive = that.selectpicker.view.visibleElements[index];
if (that.selectpicker.view.currentActive) {
that.selectpicker.view.currentActive.classList.remove('active');
if (that.selectpicker.view.currentActive.firstChild) that.selectpicker.view.currentActive.firstChild.classList.remove('active');
}
if (newActive) {
newActive.classList.add('active');
if (newActive.firstChild) newActive.firstChild.classList.add('active');
}
that.activeIndex = that.selectpicker.current.map.originalIndex[index];
}
}
$(window)
.off('resize' + EVENT_KEY + '.' + this.selectId + '.createView')
.on('resize' + EVENT_KEY + '.' + this.selectId + '.createView', function () {
var isActive = that.$newElement.hasClass(classNames.SHOW);
if (isActive) scroll(that.$menuInner[0].scrollTop);
});
},
createLi: function () {
var that = this,
mainElements = [],
hiddenOptions = {},
widestOption,
availableOptionsCount = 0,
widestOptionLength = 0,
mainData = [],
optID = 0,
headerIndex = 0,
liIndex = -1; // increment liIndex whenever a new <li> element is created to ensure newIndex is correct
if (!this.selectpicker.view.titleOption) this.selectpicker.view.titleOption = document.createElement('option');
var elementTemplates = {
span: document.createElement('span'),
subtext: document.createElement('small'),
a: document.createElement('a'),
li: document.createElement('li'),
whitespace: document.createTextNode('\u00A0')
},
checkMark,
fragment = document.createDocumentFragment();
if (that.options.showTick || that.multiple) {
checkMark = elementTemplates.span.cloneNode(false);
checkMark.className = that.options.iconBase + ' ' + that.options.tickIcon + ' check-mark';
elementTemplates.a.appendChild(checkMark);
}
elementTemplates.a.setAttribute('role', 'option');
elementTemplates.subtext.className = 'text-muted';
elementTemplates.text = elementTemplates.span.cloneNode(false);
elementTemplates.text.className = 'text';
// Helper functions
/**
* @param content
* @param [classes]
* @param [optgroup]
* @returns {HTMLElement}
*/
var generateLI = function (content, classes, optgroup) {
var li = elementTemplates.li.cloneNode(false);
if (content) {
if (content.nodeType === 1 || content.nodeType === 11) {
li.appendChild(content);
} else {
li.innerHTML = content;
}
}
if (typeof classes !== 'undefined' && classes !== '') li.className = classes;
if (typeof optgroup !== 'undefined' && optgroup !== null) li.classList.add('optgroup-' + optgroup);
return li;
};
/**
* @param text
* @param [classes]
* @param [inline]
* @returns {string}
*/
var generateA = function (text, classes, inline) {
var a = elementTemplates.a.cloneNode(true);
if (text) {
if (text.nodeType === 11) {
a.appendChild(text);
} else {
a.insertAdjacentHTML('beforeend', text);
}
}
if (typeof classes !== 'undefined' && classes !== '') a.className = classes;
if (version.major === '4') a.classList.add('dropdown-item');
if (inline) a.setAttribute('style', inline);
return a;
};
var generateText = function (options) {
var textElement = elementTemplates.text.cloneNode(false),
optionSubtextElement,
optionIconElement;
if (options.optionContent) {
textElement.innerHTML = options.optionContent;
} else {
textElement.textContent = options.text;
if (options.optionIcon) {
var whitespace = elementTemplates.whitespace.cloneNode(false);
optionIconElement = elementTemplates.span.cloneNode(false);
optionIconElement.className = that.options.iconBase + ' ' + options.optionIcon;
fragment.appendChild(optionIconElement);
fragment.appendChild(whitespace);
}
if (options.optionSubtext) {
optionSubtextElement = elementTemplates.subtext.cloneNode(false);
optionSubtextElement.innerHTML = options.optionSubtext;
textElement.appendChild(optionSubtextElement);
}
}
fragment.appendChild(textElement);
return fragment;
};
var generateLabel = function (options) {
var labelTextElement = elementTemplates.text.cloneNode(false),
labelSubtextElement,
labelIconElement;
labelTextElement.innerHTML = options.labelEscaped;
if (options.labelIcon) {
var whitespace = elementTemplates.whitespace.cloneNode(false);
labelIconElement = elementTemplates.span.cloneNode(false);
labelIconElement.className = that.options.iconBase + ' ' + options.labelIcon;
fragment.appendChild(labelIconElement);
fragment.appendChild(whitespace);
}
if (options.labelSubtext) {
labelSubtextElement = elementTemplates.subtext.cloneNode(false);
labelSubtextElement.textContent = options.labelSubtext;
labelTextElement.appendChild(labelSubtextElement);
}
fragment.appendChild(labelTextElement);
return fragment;
}
if (this.options.title && !this.multiple) {
// this option doesn't create a new <li> element, but does add a new option, so liIndex is decreased
// since newIndex is recalculated on every refresh, liIndex needs to be decreased even if the titleOption is already appended
liIndex--;
var element = this.$element[0],
isSelected = false,
titleNotAppended = !this.selectpicker.view.titleOption.parentNode;
if (titleNotAppended) {
// Use native JS to prepend option (faster)
this.selectpicker.view.titleOption.className = 'bs-title-option';
this.selectpicker.view.titleOption.value = '';
// Check if selected or data-selected attribute is already set on an option. If not, select the titleOption option.
// the selected item may have been changed by user or programmatically before the bootstrap select plugin runs,
// if so, the select will have the data-selected attribute
var $opt = $(element.options[element.selectedIndex]);
isSelected = $opt.attr('selected') === undefined && this.$element.data('selected') === undefined;
}
if (titleNotAppended || this.selectpicker.view.titleOption.index !== 0) {
element.insertBefore(this.selectpicker.view.titleOption, element.firstChild);
}
// Set selected *after* appending to select,
// otherwise the option doesn't get selected in IE
// set using selectedIndex, as setting the selected attr to true here doesn't work in IE11
if (isSelected) element.selectedIndex = 0;
}
var $selectOptions = this.$element.find('option');
$selectOptions.each(function (index) {
var $this = $(this);
liIndex++;
if ($this.hasClass('bs-title-option')) return;
var thisData = $this.data();
// Get the class and text for the option
var optionClass = this.className || '',
inline = htmlEscape(this.style.cssText),
optionContent = thisData.content,
text = this.textContent,
tokens = thisData.tokens,
subtext = thisData.subtext,
icon = thisData.icon,
$parent = $this.parent(),
parent = $parent[0],
isOptgroup = parent.tagName === 'OPTGROUP',
isOptgroupDisabled = isOptgroup && parent.disabled,
isDisabled = this.disabled || isOptgroupDisabled,
prevHiddenIndex,
showDivider = this.previousElementSibling && this.previousElementSibling.tagName === 'OPTGROUP',
textElement,
labelElement,
prevHidden;
var parentData = $parent.data();
if ((thisData.hidden === true || this.hidden) || (that.options.hideDisabled && (isDisabled || isOptgroupDisabled))) {
// set prevHiddenIndex - the index of the first hidden option in a group of hidden options
// used to determine whether or not a divider should be placed after an optgroup if there are
// hidden options between the optgroup and the first visible option
prevHiddenIndex = thisData.prevHiddenIndex;
$this.next().data('prevHiddenIndex', (prevHiddenIndex !== undefined ? prevHiddenIndex : index));
liIndex--;
hiddenOptions[index] = {
type: 'hidden',
data: thisData
}
// if previous element is not an optgroup
if (!showDivider) {
if (prevHiddenIndex !== undefined) {
// select the element **before** the first hidden element in the group
prevHidden = $selectOptions[prevHiddenIndex].previousElementSibling;
if (prevHidden && prevHidden.tagName === 'OPTGROUP' && !prevHidden.disabled) {
showDivider = true;
}
}
}
if (showDivider && mainData[mainData.length - 1].type !== 'divider') {
liIndex++;
mainElements.push(
generateLI(
false,
classNames.DIVIDER,
optID + 'div'
)
);
mainData.push({
type: 'divider',
optID: optID
});
}
return;
}
if (isOptgroup && thisData.divider !== true) {
if (that.options.hideDisabled && isDisabled) {
if (parentData.allOptionsDisabled === undefined) {
var $options = $parent.children();
$parent.data('allOptionsDisabled', $options.filter(':disabled').length === $options.length);
}
if ($parent.data('allOptionsDisabled')) {
liIndex--;
return;
}
}
var optGroupClass = ' ' + parent.className || '',
previousOption = this.previousElementSibling;
prevHiddenIndex = thisData.prevHiddenIndex;
if (prevHiddenIndex !== undefined) {
previousOption = $selectOptions[prevHiddenIndex].previousElementSibling;
}
if (!previousOption) { // Is it the first option of the optgroup?
optID += 1;
// Get the opt group label
var label = parent.label,
labelEscaped = htmlEscape(label),
labelSubtext = parentData.subtext,
labelIcon = parentData.icon;
if (index !== 0 && mainElements.length > 0) { // Is it NOT the first option of the select && are there elements in the dropdown?
liIndex++;
mainElements.push(
generateLI(
false,
classNames.DIVIDER,
optID + 'div'
)
);
mainData.push({
type: 'divider',
optID: optID
});
}
liIndex++;
labelElement = generateLabel({
labelEscaped: labelEscaped,
labelSubtext: labelSubtext,
labelIcon: labelIcon
});
mainElements.push(generateLI(labelElement, 'dropdown-header' + optGroupClass, optID));
mainData.push({
content: labelEscaped,
subtext: labelSubtext,
type: 'optgroup-label',
optID: optID
});
headerIndex = liIndex - 1;
}
textElement = generateText({
text: text,
optionContent: optionContent,
optionSubtext: subtext,
optionIcon: icon
});
mainElements.push(generateLI(generateA(textElement, 'opt ' + optionClass + optGroupClass, inline), '', optID));
mainData.push({
content: optionContent || text,
subtext: subtext,
tokens: tokens,
type: 'option',
optID: optID,
headerIndex: headerIndex,
lastIndex: headerIndex + parent.childElementCount,
originalIndex: index,
data: thisData
});
availableOptionsCount++;
} else if (thisData.divider === true) {
mainElements.push(generateLI(false, classNames.DIVIDER));
mainData.push({
type: 'divider',
originalIndex: index,
data: thisData
});
} else {
// if previous element is not an optgroup and hideDisabled is true
if (!showDivider && that.options.hideDisabled) {
prevHiddenIndex = thisData.prevHiddenIndex;
if (prevHiddenIndex !== undefined) {
// select the element **before** the first hidden element in the group
prevHidden = $selectOptions[prevHiddenIndex].previousElementSibling;
if (prevHidden && prevHidden.tagName === 'OPTGROUP' && !prevHidden.disabled) {
showDivider = true;
}
}
}
if (showDivider && mainData[mainData.length - 1].type !== 'divider') {
liIndex++;
mainElements.push(
generateLI(
false,
classNames.DIVIDER,
optID + 'div'
)
);
mainData.push({
type: 'divider',
optID: optID
});
}
textElement = generateText({
text: text,
optionContent: optionContent,
optionSubtext: subtext,
optionIcon: icon
});
mainElements.push(generateLI(generateA(textElement, optionClass, inline)));
mainData.push({
content: optionContent || text,
subtext: subtext,
tokens: tokens,
type: 'option',
originalIndex: index,
data: thisData
});
availableOptionsCount++;
}
that.selectpicker.main.map.newIndex[index] = liIndex;
that.selectpicker.main.map.origi