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/*!
* Bootstrap-select v1.13.2 (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';
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);
}
};
}
// 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 changed_arguments = 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;
}
/**
* Remove all diatrics from the given text.
* @access private
* @param {String} text
* @returns {String}
*/
function normalizeToBase(text) {
var rExps = [
{re: /[\xC0-\xC6]/g, ch: "A"},
{re: /[\xE0-\xE6]/g, ch: "a"},
{re: /[\xC8-\xCB]/g, ch: "E"},
{re: /[\xE8-\xEB]/g, ch: "e"},
{re: /[\xCC-\xCF]/g, ch: "I"},
{re: /[\xEC-\xEF]/g, ch: "i"},
{re: /[\xD2-\xD6]/g, ch: "O"},
{re: /[\xF2-\xF6]/g, ch: "o"},
{re: /[\xD9-\xDC]/g, ch: "U"},
{re: /[\xF9-\xFC]/g, ch: "u"},
{re: /[\xC7-\xE7]/g, ch: "c"},
{re: /[\xD1]/g, ch: "N"},
{re: /[\xF1]/g, ch: "n"}
];
$.each(rExps, function () {
text = text ? text.replace(this.re, this.ch) : '';
});
return text;
}
// List of HTML entities for escaping.
var escapeMap = {
'&': '&',
'<': '<',
'>': '>',
'"': '"',
"'": ''',
'`': '`'
};
var unescapeMap = {
'&': '&',
'<': '<',
'>': '>',
'"': '"',
''': "'",
'`': '`'
};
// Functions for escaping and unescaping strings to/from HTML interpolation.
var createEscaper = function (map) {
var escaper = function (match) {
return map[match];
};
// Regexes for identifying a key that needs to be escaped.
var source = '(?:' + Object.keys(map).join('|') + ')';
var testRegexp = RegExp(source);
var replaceRegexp = RegExp(source, 'g');
return function (string) {
string = string == null ? '' : '' + string;
return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string;
};
};
var htmlEscape = createEscaper(escapeMap);
var htmlUnescape = createEscaper(unescapeMap);
/**
* ------------------------------------------------------------------------
* Constants
* ------------------------------------------------------------------------
*/
var keyCodeMap = {
32: ' ',
48: '0',
49: '1',
50: '2',
51: '3',
52: '4',
53: '5',
54: '6',
55: '7',
56: '8',
57: '9',
59: ';',
65: 'A',
66: 'B',
67: 'C',
68: 'D',
69: 'E',
70: 'F',
71: 'G',
72: 'H',
73: 'I',
74: 'J',
75: 'K',
76: 'L',
77: 'M',
78: 'N',
79: 'O',
80: 'P',
81: 'Q',
82: 'R',
83: 'S',
84: 'T',
85: 'U',
86: 'V',
87: 'W',
88: 'X',
89: 'Y',
90: 'Z',
96: '0',
97: '1',
98: '2',
99: '3',
100: '4',
101: '5',
102: '6',
103: '7',
104: '8',
105: '9'
};
var keyCodes = {
ESCAPE: 27, // KeyboardEvent.which value for Escape (Esc) key
ENTER: 13, // KeyboardEvent.which value for Enter key
SPACE: 32, // KeyboardEvent.which value for space key
TAB: 9, // KeyboardEvent.which value for tab key
ARROW_UP: 38, // KeyboardEvent.which value for up arrow key
ARROW_DOWN: 40 // KeyboardEvent.which value for down arrow key
}
var version = {
success: false,
major: '3'
};
try {
version.full = ($.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 $.fn.selectpicker.Constructor.BootstrapVersion.'
, err);
}
var classNames = {
DISABLED: 'disabled',
DIVIDER: 'divider',
SHOW: 'open',
DROPUP: 'dropup',
MENU: 'dropdown-menu',
MENURIGHT: 'dropdown-menu-right',
MENULEFT: 'dropdown-menu-left',
// to-do: replace with more advanced template/customization options
BUTTONCLASS: 'btn-default',
POPOVERHEADER: 'popover-title'
}
var Selector = {
MENU: '.' + classNames.MENU
}
if (version.major === '4') {
classNames.DIVIDER = 'dropdown-divider';
classNames.SHOW = 'show';
classNames.BUTTONCLASS = 'btn-light';
classNames.POPOVERHEADER = 'popover-header';
}
var REGEXP_ARROW = new RegExp(keyCodes.ARROW_UP + '|' + keyCodes.ARROW_DOWN);
var REGEXP_TAB_OR_ESCAPE = new RegExp('^' + keyCodes.TAB + '$|' + keyCodes.ESCAPE);
var REGEXP_ENTER_OR_SPACE = new RegExp(keyCodes.ENTER + '|' + keyCodes.SPACE);
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 = '1.13.2';
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.$element.addClass('bs-select-hidden');
this.multiple = this.$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.$element.on('hide.bs.select', function () {
if (that.isVirtual()) {
// empty menu on close
var menuInner = that.$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.bs.select', e);
},
'hidden.bs.dropdown': function (e) {
that.$element.trigger('hidden.bs.select', e);
},
'show.bs.dropdown': function (e) {
that.$menuInner.attr('aria-expanded', true);
that.$element.trigger('show.bs.select', e);
},
'shown.bs.dropdown': function (e) {
that.$element.trigger('shown.bs.select', e);
}
});
if (that.$element[0].hasAttribute('required')) {
this.$element.on('invalid', function () {
that.$button.addClass('bs-invalid');
that.$element.on({
'shown.bs.select': function () {
that.$element
.val(that.$element.val()) // set the value to hide the validation message in Chrome when menu is opened
.off('shown.bs.select');
},
'rendered.bs.select': 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.bs.select');
}
});
that.$button.on('blur.bs.select', function () {
that.$element.focus().blur();
that.$button.off('blur.bs.select');
});
});
}
setTimeout(function () {
that.$element.trigger('loaded.bs.select');
});
},
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 header = this.options.header ? '<div class="' + classNames.POPOVERHEADER + '"><button type="button" class="close" aria-hidden="true">×</button>' + this.options.header + '</div>' : '';
var searchbox = this.options.liveSearch ?
'<div class="bs-searchbox">' +
'<input type="text" class="form-control" autocomplete="off"' +
(null === this.options.liveSearchPlaceholder ? '' : ' placeholder="' + htmlEscape(this.options.liveSearchPlaceholder) + '"') + ' role="textbox" aria-label="Search">' +
'</div>'
: '';
var actionsbox = this.multiple && this.options.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>'
: '';
var donebutton = this.multiple && this.options.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>'
: '';
var 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 $lis;
var active = [];
var selected;
var prevActive;
var activeIndex;
var prevActiveIndex;
this.setPositionData();
scroll(scrollTop, true);
this.$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 = undefined,
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 end_of_chunk = (i + 1) * chunkSize;
if (i === chunkCount - 1) {
end_of_chunk = size;
}
chunks[i] = [
(i) * chunkSize + (!i ? 0 : 1),
end_of_chunk
];
if (!size) break;
if (currentChunk === undefined && scrollTop <= that.selectpicker.current.data[end_of_chunk - 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];
}
}
$(window).off('resize.createView').on('resize.createView', function () {
scroll(that.$menuInner[0].scrollTop);
});
},
createLi: function () {
var that = this,
mainElements = [],
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 = elementTemplates.span.cloneNode(false),
fragment = document.createDocumentFragment();
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 [index]
* @param [classes]
* @param [optgroup]
* @returns {HTMLElement}
*/
var generateLI = function (content, index, 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' && null !== optgroup) 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;
var parentData = $parent.data();
if (thisData.hidden === true || that.options.hideDisabled && (isDisabled && !isOptgroup || 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--;
// if previous element is not an optgroup
if (!showDivider) {
if (prevHiddenIndex !== undefined) {
// select the element **before** the first hidden element in the group
var 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,
null,
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 || '';
if (!this.previousElementSibling) { // 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,
null,
classNames.DIVIDER,
optID + 'div'
)
);
mainData.push({
type: 'divider',
optID: optID
});
}
liIndex++;
var labelElement = generateLabel({
labelEscaped: labelEscaped,
labelSubtext: labelSubtext,
labelIcon: labelIcon
});
mainElements.push(generateLI(labelElement, null, 'dropdown-header' + optGroupClass, optID));
mainData.push({
content: labelEscaped,
subtext: labelSubtext,
type: 'optgroup-label',
optID: optID
});
headerIndex = liIndex - 1;
}
if (that.options.hideDisabled && isDisabled || thisData.hidden === true) {
liIndex--;
return;
}
textElement = generateText({
text: text,
optionContent: optionContent,
optionSubtext: subtext,
optionIcon: icon
});
mainElements.push(generateLI(generateA(textElement, 'opt ' + optionClass + optGroupClass, inline), index, '', 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, index, 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
var 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,
null,
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), index));
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.originalIndex[liIndex] = index;
// get the most recent option info added to mainData
var _mainDataLast = mainData[mainData.length - 1];
_mainDataLast.disabled = isDisabled;
var combinedLength = 0;
// count the number of characters in the option - not perfect, but should work in most cases
if (_mainDataLast.content) combinedLength += _mainDataLast.content.length;
if (_mainDataLast.subtext) combinedLength += _mainDataLast.subtext.length;
// if there is an icon, ensure this option's width is checked
if (icon) combinedLength += 1;
if (combinedLength > widestOptionLength) {
widestOptionLength = combinedLength;
// guess which option is the widest
// use this when calculating menu width
// not perfect, but it's fast, and the width will be updating accordingly when scrolling
widestOption = mainElements[mainElements.length - 1];
}
});
this.selectpicker.main.elements = mainElements;
this.selectpicker.main.data = mainData;
this.selectpicker.current = this.selectpicker.main;
this.selectpicker.view.widestOption = widestOption;
this.selectpicker.view.availableOptionsCount = availableOptionsCount; // faster way to get # of available options without filter
},
findLis: function () {
return this.$menuInner.find('.inner > li');
},
render: function () {
var that = this,
$selectOptions = this.$element.find('option'),
selectedItems = [],
selectedItemsInTitle = [];
this.togglePlaceholder();
this.tabIndex();
for (var i = 0, len = this.selectpicker.main.elements.length; i < len; i++) {
var index = this.selectpicker.main.map.originalIndex[i],
option = $selectOptions[index];
if (option && option.selected) {
selectedItems.push(option);
if (selectedItemsInTitle.length < 100 && that.options.selectedTextFormat !== 'count' || selectedItems.length === 1) {
if (that.options.hideDisabled && (option.disabled || option.parentNode.tagName === 'OPTGROUP' && option.parentNode.disabled)) return;
var thisData = this.selectpicker.main.data[i].data,
icon = thisData.icon && that.options.showIcon ? '<i class="' + that.options.iconBase + ' ' + thisData.icon + '"></i> ' : '',
subtext,
titleItem;
if (that.options.showSubtext && thisData.subtext && !that.multiple) {
subtext = ' <small class="text-muted">' + thisData.subtext + '</small>';
} else {
subtext = '';
}
if (option.title) {
titleItem = option.title;
} else if (thisData.content && that.options.showContent) {
titleItem = thisData.content.toString();
} else {
titleItem = icon + option.innerHTML.trim() + subtext;
}
selectedItemsInTitle.push(titleItem);
}
}
}
//Fixes issue in IE10 occurring when no default option is selected and at least one option is disabled
//Convert all the values into a comma delimited string
var title = !this.multiple ? selectedItemsInTitle[0] : selectedItemsInTitle.join(this.options.multipleSeparator);
// add ellipsis
if (selectedItems.length > 50) title += '...';
// If this is a multiselect, and selectedTextFormat is count, then show 1 of 2 selected etc..
if (this.multiple && this.options.selectedTextFormat.indexOf('count') !== -1) {
var max = this.options.selectedTextFormat.split('>');
if ((max.length > 1 && selectedItems.length > max[1]) || (max.length === 1 && selectedItems.length >= 2)) {
var totalCount = this.selectpicker.view.availableOptionsCount,
tr8nText = (typeof this.options.countSelectedText === 'function') ? this.options.countSelectedText(selectedItems.length, totalCount) : this.options.countSelectedText;
title = tr8nText.replace('{0}', selectedItems.length.toString()).replace('{1}', totalCount.toString());
}
}
if (this.options.title == undefined) {
// use .attr to ensure undefined is returned if title attribute is not set
this.options.title = this.$element.attr('title');
}
if (this.options.selectedTextFormat == 'static') {
title = this.options.title;
}
//If we dont have a title, then use the default, or if nothing is set at all, use the not selected text
if (!title) {
title = typeof this.options.title !== 'undefined' ? this.options.title : this.options.noneSelectedText;
}
//strip all HTML tags and trim the result, then unescape any escaped tags
this.$button[0].title = htmlUnescape(title.replace(/<[^>]*>?/g, '').trim());
this.$button.find('.filter-option-inner-inner')[0].innerHTML = title;
this.$element.trigger('rendered.bs.select');
},
/**
* @param [style]
* @param [status]
*/
setStyle: function (style, status) {
if (this.$element.attr('class')) {
this.$newElement.addClass(this.$element.attr('class').replace(/selectpicker|mobile-device|bs-select-hidden|validate\[.*\]/gi, ''));
}
var buttonClass = style ? style : this.options.style;
if (status == 'add') {
this.$button.addClass(buttonClass);
} else if (status == 'remove') {
this.$button.removeClass(buttonClass);
} else {
this.$button.removeClass(this.options.style);
this.$button.addClass(buttonClass);
}
},
liHeight: function (refresh) {
if (!refresh && (this.options.size === false || this.sizeInfo)) return;
if (!this.sizeInfo) this.sizeInfo = {};
var newElement = document.createElement('div'),
menu = document.createElement('div'),
menuInner = document.createElement('div'),
menuInnerInner = document.createElement('ul'),
divider = document.createElement('li'),
dropdownHeader = document.createElement('li'),
li = document.createElement('li'),
a = document.createElement('a'),
text = document.createElement('span'),
header = this.options.header && this.$menu.find('.' + classNames.POPOVERHEADER).length > 0 ? this.$menu.find('.' + classNames.POPOVERHEADER)[0].cloneNode(true) : null,
search = this.options.liveSearch ? document.createElement('div') : null,
actions = this.options.actionsBox && this.multiple && this.$menu.find('.bs-actionsbox').length > 0 ? this.$menu.find('.bs-actionsbox')[0].cloneNode(true) : null,
doneButton = this.options.doneButton && this.multiple && this.$menu.find('.bs-donebutton').length > 0 ? this.$menu.find('.bs-donebutton')[0].cloneNode(true) : null;
this.sizeInfo.selectWidth = this.$newElement[0].offsetWidth;
text.className = 'text';
a.className = 'dropdown-item ' + this.$element.find('option')[0].className;
newElement.className = this.$menu[0].parentNode.className + ' ' + classNames.SHOW;
newElement.style.width = this.sizeInfo.selectWidth + 'px';
if (this.options.width === 'auto') menu.style.minWidth = 0;
menu.className = classNames.MENU + ' ' + classNames.SHOW;
menuInner.className = 'inner ' + classNames.SHOW;
menuInnerInner.className = classNames.MENU + ' inner ' + (version.major === '4' ? classNames.SHOW : '');
divider.className = classNames.DIVIDER;
dropdownHeader.className = 'dropdown-header';
text.appendChild(document.createTextNode('Inner text'));
a.appendChild(text);
li.appendChild(a);
dropdownHeader.appendChild(text.cloneNode(true));
if (this.selectpicker.view.widestOption) {
menuInnerInner.appendChild(this.selectpicker.view.widestOption.cloneNode(true));
}
menuInnerInner.appendChild(li);
menuInnerInner.appendChild(divider);
menuInnerInner.appendChild(dropdownHeader);
if (header) menu.appendChild(header);
if (search) {
var input = document.createElement('input');
search.className = 'bs-searchbox';
input.className = 'form-control';
search.appendChild(input);
menu.appendChild(search);
}
if (actions) menu.appendChild(actions);
menuInner.appendChild(menuInnerInner);
menu.appendChild(menuInner);
if (doneButton) menu.appendChild(doneButton);
newElement.appendChild(menu);
document.body.appendChild(newElement);
var liHeight = a.offsetHeight,
dropdownHeaderHeight = dropdownHeader ? dropdownHeader.offsetHeight : 0,
headerHeight = header ? header.offsetHeight : 0,
searchHeight = search ? search.offsetHeight : 0,
actionsHeight = actions ? actions.offsetHeight : 0,
doneButtonHeight = doneButton ? doneButton.offsetHeight : 0,
dividerHeight = $(divider).outerHeight(true),
// fall back to jQuery if getComputedStyle is not supported
menuStyle = window.getComputedStyle ? window.getComputedStyle(menu) : false,
menuWidth = menu.offsetWidth,
$menu = menuStyle ? null : $(menu),
menuPadding = {
vert: toInteger(menuStyle ? menuStyle.paddingTop : $menu.css('paddingTop')) +
toInteger(menuStyle ? menuStyle.paddingBottom : $menu.css('paddingBottom')) +
toInteger(menuStyle ? menuStyle.borderTopWidth : $menu.css('borderTopWidth')) +
toInteger(menuStyle ? menuStyle.borderBottomWidth : $menu.css('borderBottomWidth')),
horiz: toInteger(menuStyle ? menuStyle.paddingLeft : $menu.css('paddingLeft')) +
toInteger(menuStyle ? menuStyle.paddingRight : $menu.css('paddingRight')) +
toInteger(menuStyle ? menuStyle.borderLeftWidth : $menu.css('borderLeftWidth')) +
toInteger(menuStyle ? menuStyle.borderRightWidth : $menu.css('borderRightWidth'))
},
menuExtras = {
vert: menuPadding.vert +
toInteger(menuStyle ? menuStyle.marginTop : $menu.css('marginTop')) +
toInteger(menuStyle ? menuStyle.marginBottom : $menu.css('marginBottom')) + 2,
horiz: menuPadding.horiz +
toInteger(menuStyle ? menuStyle.marginLeft : $menu.css('marginLeft')) +
toInteger(menuStyle ? menuStyle.marginRight : $menu.css('marginRight')) + 2
},
scrollBarWidth;
menuInner.style.overflowY = 'scroll';
scrollBarWidth = menu.offsetWidth - menuWidth;
document.body.removeChild(newElement);
this.sizeInfo.liHeight = liHeight;
this.sizeInfo.dropdownHeaderHeight = dropdownHeaderHeight;
this.sizeInfo.headerHeight = headerHeight;
this.sizeInfo.searchHeight = searchHeight;
this.sizeInfo.actionsHeight = actionsHeight;
this.sizeInfo.doneButtonHeight = doneButtonHeight;
this.sizeInfo.dividerHeight = dividerHeight;
this.sizeInfo.menuPadding = menuPadding;
this.sizeInfo.menuExtras = menuExtras;
this.sizeInfo.menuWidth = menuWidth;
this.sizeInfo.totalMenuWidth = this.sizeInfo.menuWidth;
this.sizeInfo.scrollBarWidth = scrollBarWidth;
this.sizeInfo.selectHeight = this.$newElement[0].offsetHeight;
this.setPositionData();
},
getSelectPosition: function () {
var that = this,
$window = $(window),
pos = that.$newElement.offset(),
$container = $(that.options.container),
containerPos;
if (that.options.container && !$container.is('body')) {
containerPos = $container.offset();
containerPos.top += parseInt($container.css('borderTopWidth'));
containerPos.left += parseInt($container.css('borderLeftWidth'));
} else {
containerPos = { top: 0, left: 0 };
}
var winPad = that.options.windowPadding;
this.sizeInfo.selectOffsetTop = pos.top - containerPos.top - $window.scrollTop();
this.sizeInfo.selectOffsetBot = $window.height() - this.sizeInfo.selectOffsetTop - this.sizeInfo['selectHeight'] - containerPos.top - winPad[2];
this.sizeInfo.selectOffsetLeft = pos.left - containerPos.left - $window.scrollLeft();
this.sizeInfo.selectOffsetRight = $window.width() - this.sizeInfo.selectOffsetLeft - this.sizeInfo['selectWidth'] - containerPos.left - winPad[1];
this.sizeInfo.selectOffsetTop -= winPad[0];
this.sizeInfo.selectOffsetLeft -= winPad[3];
},
setMenuSize: function (isAuto) {
this.getSelectPosition();
var selectWidth = this.sizeInfo['selectWidth'],
liHeight = this.sizeInfo['liHeight'],
headerHeight = this.sizeInfo['headerHeight'],
searchHeight = this.sizeInfo['searchHeight'],
actionsHeight = this.sizeInfo['actionsHeight'],
doneButtonHeight = this.sizeInfo['doneButtonHeight'],
divHeight = this.sizeInfo['dividerHeight'],
menuPadding = this.sizeInfo['menuPadding'],
menuInnerHeight,
menuHeight,
divLength = 0,
minHeight,
_minHeight,
maxHeight,
menuInnerMinHeight,
estimate;
if (this.options.dropupAuto) {
// Get the estimated height of the menu without scrollbars.
// This is useful for smaller menus, where there might be plenty of room
// below the button without setting dropup, but we can't know
// the exact height of the menu until createView is called later
estimate = liHeight * this.selectpicker.current.elements.length + menuPadding.vert;
this.$newElement.toggleClass(classNames.DROPUP, this.sizeInfo.selectOffsetTop - this.sizeInfo.selectOffsetBot > this.sizeInfo.menuExtras.vert && estimate + this.sizeInfo.menuExtras.vert + 50 > this.sizeInfo.selectOffsetBot);
}
if (this.options.size === 'auto') {
_minHeight = this.selectpicker.current.elements.length > 3 ? this.sizeInfo.liHeight * 3 + this.sizeInfo.menuExtras.vert - 2 : 0;
menuHeight = this.sizeInfo.selectOffsetBot - this.sizeInfo.menuExtras.vert;
minHeight = _minHeight + headerHeight + searchHeight + actionsHeight + doneButtonHeight;
menuInnerMinHeight = Math.max(_minHeight - menuPadding.vert, 0);
if (this.$newElement.hasClass(classNames.DROPUP)) {
menuHeight = this.sizeInfo.selectOffsetTop - this.sizeInfo.menuExtras.vert;
}
maxHeight = menuHeight;
menuInnerHeight = menuHeight - headerHeight - searchHeight - actionsHeight - doneButtonHeight - menuPadding.vert;
} else if (this.options.size && this.options.size != 'auto' && this.selectpicker.current.elements.length > this.options.size) {
for (var i = 0; i < this.options.size; i++) {
if (this.selectpicker.current.data[i].type === 'divider') divLength++;
}
menuHeight = liHeight * this.options.size + divLength * divHeight + menuPadding.vert;
menuInnerHeight = menuHeight - menuPadding.vert;
maxHeight = menuHeight + headerHeight + searchHeight + actionsHeight + doneButtonHeight;
minHeight = menuInnerMinHeight = '';
}
if (this.options.dropdownAlignRight === 'auto') {
this.$menu.toggleClass(classNames.MENURIGHT, this.sizeInfo.selectOffsetLeft > this.sizeInfo.selectOffsetRight && this.sizeInfo.selectOffsetRight < (this.$menu[0].offsetWidth - selectWidth));
}
this.$menu.css({
'max-height': maxHeight + 'px',
'overflow': 'hidden',
'min-height': minHeight + 'px'
});
this.$menuInner.css({
'max-height': menuInnerHeight + 'px',
'overflow-y': 'auto',
'min-height': menuInnerMinHeight + 'px'
});
this.sizeInfo['menuInnerHeight'] = menuInnerHeight;
if (this.selectpicker.current.data.length && this.selectpicker.current.data[this.selectpicker.current.data.length - 1].position > this.sizeInfo.menuInnerHeight) {
this.sizeInfo.hasScrollBar = true;
this.sizeInfo.totalMenuWidth = this.sizeInfo.menuWidth + this.sizeInfo.scrollBarWidth;
this.$menu.css('min-width', this.sizeInfo.totalMenuWidth);
}
if (this.dropdown && this.dropdown._popper) this.dropdown._popper.update();
},
setSize: function (refresh) {
this.liHeight(refresh);
if (this.options.header) this.$menu.css('padding-top', 0);
if (this.options.size === false) return;
var that = this,
$window = $(window),
selectedIndex,
offset = 0;
this.setMenuSize();
if (this.options.size === 'auto') {
this.$searchbox.off('input.setMenuSize propertychange.setMenuSize').on('input.setMenuSize propertychange.setMenuSize', function() {
return that.setMenuSize();
});
$window.off('resize.setMenuSize scroll.setMenuSize').on('resize.setMenuSize scroll.setMenuSize', function() {
return that.setMenuSize();
});
} else if (this.options.size && this.options.size != 'auto' && this.selectpicker.current.elements.length > this.options.size) {
this.$searchbox.off('input.setMenuSize propertychange.setMenuSize');
$window.off('resize.setMenuSize scroll.setMenuSize');
}
if (refresh) {
offset = this.$menuInner[0].scrollTop;
} else if (!that.multiple) {
selectedIndex = that.selectpicker.main.map.newIndex[that.$element[0].selectedIndex];
if (typeof selectedIndex === 'number' && that.options.size !== false) {
offset = that.sizeInfo.liHeight * selectedIndex;
offset = offset - (that.sizeInfo.menuInnerHeight / 2) + (that.sizeInfo.liHeight / 2);
}
}
that.createView(false, offset);
},
setWidth: function () {
var that = this;
if (this.options.width === 'auto') {
requestAnimationFrame(function() {
that.$menu.css('min-width', '0');
that.liHeight();
that.setMenuSize();
// Get correct width if element is hidden
var $selectClone = that.$newElement.clone().appendTo('body'),
btnWidth = $selectClone.css('width', 'auto').children('button').outerWidth();
$selectClone.remove();
// Set width to whatever's larger, button title or longest option
that.sizeInfo.selectWidth = Math.max(that.sizeInfo.totalMenuWidth, btnWidth);
that.$newElement.css('width', that.sizeInfo.selectWidth + 'px');
});
} else if (this.options.width === 'fit') {
// Remove inline min-width so width can be changed from 'auto'
this.$menu.css('min-width', '');
this.$newElement.css('width', '').addClass('fit-width');
} else if (this.options.width) {
// Remove inline min-width so width can be changed from 'auto'
this.$menu.css('min-width', '');
this.$newElement.css('width', this.options.width);
} else {
// Remove inline min-width/width so width can be changed
this.$menu.css('min-width', '');
this.$newElement.css('width', '');
}
// Remove fit-width class if width is changed programmatically
if (this.$newElement.hasClass('fit-width') && this.options.width !== 'fit') {
this.$newElement.removeClass('fit-width');
}
},
selectPosition: function () {
this.$bsContainer = $('<div class="bs-container" />');
var that = this,
$container = $(this.options.container),
pos,
containerPos,
actualHeight,
getPlacement = function ($element) {
var containerPosition = {},
// fall back to dropdown's default display setting if display is not manually set
display = that.options.display || $.fn.dropdown.Constructor.Default.display;
that.$bsContainer.addClass($element.attr('class').replace(/form-control|fit-width/gi, '')).toggleClass(classNames.DROPUP, $element.hasClass(classNames.DROPUP));
pos = $element.offset();
if (!$container.is('body')) {
containerPos = $container.offset();
containerPos.top += parseInt($container.css('borderTopWidth')) - $container.scrollTop();
containerPos.left += parseInt($container.css('borderLeftWidth')) - $container.scrollLeft();
} else {
containerPos = { top: 0, left: 0 };
}
actualHeight = $element.hasClass(classNames.DROPUP) ? 0 : $element[0].offsetHeight;
// Bootstrap 4+ uses Popper for menu positioning
if (version.major < 4 || display === 'static') {
containerPosition['top'] = pos.top - containerPos.top + actualHeight;
containerPosition['left'] = pos.left - containerPos.left;
}
containerPosition['width'] = $element[0].offsetWidth;
that.$bsContainer.css(containerPosition);
};
this.$button.on('click.bs.dropdown.data-api', function () {
if (that.isDisabled()) {
return;
}
getPlacement(that.$newElement);
that.$bsContainer
.appendTo(that.options.container)
.toggleClass(classNames.SHOW, !that.$button.hasClass(classNames.SHOW))
.append(that.$menu);
});
$(window).on('resize scroll', function () {
getPlacement(that.$newElement);
});
this.$element.on('hide.bs.select', function () {
that.$menu.data('height', that.$menu.height());
that.$bsContainer.detach();
});
},
setOptionStatus: function () {
var that = this,
$selectOptions = this.$element.find('option');
that.noScroll = false;
if (that.selectpicker.view.visibleElements && that.selectpicker.view.visibleElements.length) {
for (var i = 0; i < that.selectpicker.view.visibleElements.length; i++) {
var index = that.selectpicker.current.map.originalIndex[i + that.selectpicker.view.position0], // faster than $(li).data('originalIndex')
option = $selectOptions[index];
if (option) {
var liIndex = this.selectpicker.main.map.newIndex[index],
li = this.selectpicker.main.elements[liIndex];
that.setDisabled(
index,
option.disabled || option.parentNode.tagName === 'OPTGROUP' && option.parentNode.disabled,
liIndex,
li
);
that.setSelected(
index,
option.selected,
liIndex,
li
);
}
}
}
},
/**
* @param {number} index - the index of the option that is being changed
* @param {boolean} selected - true if the option is being selected, false if being deselected
*/
setSelected: function (index, selected, liIndex, li) {
var activeIndexIsSet = this.activeIndex !== undefined,
thisIsActive = this.activeIndex === index,
prevActiveIndex,
prevActive,
a,
// if current option is already active
// OR
// if the current option is being selected, it's NOT multiple, and
// activeIndex is undefined:
// - when the menu is first being opened, OR
// - after a search has been performed, OR
// - when retainActive is false when selecting a new option (i.e. index of the newly selected option is not the same as the current activeIndex)
keepActive = thisIsActive || selected && !this.multiple && !activeIndexIsSet;
if (!liIndex) liIndex = this.selectpicker.main.map.newIndex[index];
if (!li) li = this.selectpicker.main.elements[liIndex];
a = li.firstChild;
if (selected) {
this.selectedIndex = index;
}
li.classList.toggle('selected', selected);
li.classList.toggle('active', keepActive);
if (keepActive) {
this.selectpicker.view.currentActive = li;
this.activeIndex = index;
}
if (a) {
a.classList.toggle('selected', selected);
a.classList.toggle('active', keepActive);
a.setAttribute('aria-selected', selected);
}
if (!keepActive) {
if (!activeIndexIsSet && selected && this.prevActiveIndex !== undefined) {
prevActiveIndex = this.selectpicker.main.map.newIndex[this.prevActiveIndex];
prevActive = this.selectpicker.main.elements[prevActiveIndex];
prevActive.classList.toggle('selected', selected);
prevActive.classList.remove('active');
if (prevActive.firstChild) {
prevActive.firstChild.classList.toggle('selected', selected);
prevActive.firstChild.classList.remove('active');
}
}
}
},
/**
* @param {number} index - the index of the option that is being disabled
* @param {boolean} disabled - true if the option is being disabled, false if being enabled
*/
setDisabled: function (index, disabled, liIndex, li) {
var a;
if (!liIndex) liIndex = this.selectpicker.main.map.newIndex[index];
if (!li) li = this.selectpicker.main.elements[liIndex];
a = li.firstChild;
li.classList.toggle(classNames.DISABLED, disabled);
if (a) {
if (version.major === '4') a.classList.toggle(classNames.DISABLED, disabled);
a.setAttribute('aria-disabled', disabled);
if (disabled) {
a.setAttribute('tabindex', -1);
} else {
a.setAttribute('tabindex', 0);
}
}
},
isDisabled: function () {
return this.$element[0].disabled;
},
checkDisabled: function () {
var that = this;
if (this.isDisabled()) {
this.$newElement.addClass(classNames.DISABLED);
this.$button.addClass(classNames.DISABLED).attr('tabindex', -1).attr('aria-disabled', true);
} else {
if (this.$button.hasClass(classNames.DISABLED)) {
this.$newElement.removeClass(classNames.DISABLED);
this.$button.removeClass(classNames.DISABLED).attr('aria-disabled', false);
}
if (this.$button.attr('tabindex') == -1 && !this.$element.data('tabindex')) {
this.$button.removeAttr('tabindex');
}
}
this.$button.click(function () {
return !that.isDisabled();
});
},
togglePlaceholder: function () {
// much faster than calling $.val()
var element = this.$element[0],
selectedIndex = element.selectedIndex,
nothingSelected = selectedIndex === -1;
if (!nothingSelected && !element.options[selectedIndex].value) nothingSelected = true;
this.$button.toggleClass('bs-placeholder', nothingSelected);
},
tabIndex: function () {
if (this.$element.data('tabindex') !== this.$element.attr('tabindex') &&
(this.$element.attr('tabindex') !== -98 && this.$element.attr('tabindex') !== '-98')) {
this.$element.data('tabindex', this.$element.attr('tabindex'));
this.$button.attr('tabindex', this.$element.data('tabindex'));
}
this.$element.attr('tabindex', -98);
},
clickListener: function () {
var that = this,
$document = $(document);
$document.data('spaceSelect', false);
this.$button.on('keyup', function (e) {
if (/(32)/.test(e.keyCode.toString(10)) && $document.data('spaceSelect')) {
e.preventDefault();
$document.data('spaceSelect', false);
}
});
this.$newElement.on('show.bs.dropdown', function() {
if (version.major > 3 && !that.dropdown) {
that.dropdown = that.$button.data('bs.dropdown');
that.dropdown._menu = that.$menu[0];
}
});
this.$button.on('click.bs.dropdown.data-api', function () {
if (!that.$newElement.hasClass(classNames.SHOW)) {
that.setSize();
}
});
function setFocus () {
if (that.options.liveSearch) {
that.$searchbox.focus();
} else {
that.$menuInner.focus();
}
}
function checkPopperExists () {
if (that.dropdown && that.dropdown._popper && that.dropdown._popper.state.isCreated) {
setFocus();
} else {
requestAnimationFrame(checkPopperExists);
}
}
this.$element.on('shown.bs.select', function () {
if (that.$menuInner[0].scrollTop !== that.selectpicker.view.scrollTop) {
that.$menuInner[0].scrollTop = that.selectpicker.view.scrollTop;
}
if (version.major > 3) {
requestAnimationFrame(checkPopperExists);
} else {
setFocus();
}
});
this.$menuInner.on('click', 'li a', function (e, retainActive) {
var $this = $(this),
position0 = that.isVirtual() ? that.selectpicker.view.position0 : 0,
clickedIndex = that.selectpicker.current.map.originalIndex[$this.parent().index() + position0],
prevValue = getSelectValues(that.$element[0]),
prevIndex = that.$element.prop('selectedIndex'),
triggerChange = true;
// Don't close on multi choice menu
if (that.multiple && that.options.maxOptions !== 1) {
e.stopPropagation();
}
e.preventDefault();
//Don't run if we have been disabled
if (!that.isDisabled() && !$this.parent().hasClass(classNames.DISABLED)) {
var $options = that.$element.find('option'),
$option = $options.eq(clickedIndex),
state = $option.prop('selected'),
$optgroup = $option.parent('optgroup'),
$optgroupOptions = $optgroup.find('option'),
maxOptions = that.options.maxOptions,
maxOptionsGrp = $optgroup.data('maxOptions') || false;
if (clickedIndex === that.activeIndex) retainActive = true;
if (!retainActive) {
that.prevActiveIndex = that.activeIndex;
that.activeIndex = undefined;
}
if (!that.multiple) { // Deselect all others if not multi select box
$options.prop('selected', false);
$option.prop('selected', true);
that.setSelected(clickedIndex, true);
} else { // Toggle the one we have chosen if we are multi select.
$option.prop('selected', !state);
that.setSelected(clickedIndex, !state);
$this.blur();
if (maxOptions !== false || maxOptionsGrp !== false) {
var maxReached = maxOptions < $options.filter(':selected').length,
maxReachedGrp = maxOptionsGrp < $optgroup.find('option:selected').length;
if ((maxOptions && maxReached) || (maxOptionsGrp && maxReachedGrp)) {
if (maxOptions && maxOptions == 1) {
$options.prop('selected', false);
$option.prop('selected', true);
for (var i = 0; i < $options.length; i++) {
that.setSelected(i, false);
}
that.setSelected(clickedIndex, true);
} else if (maxOptionsGrp && maxOptionsGrp == 1) {
$optgroup.find('option:selected').prop('selected', false);
$option.prop('selected', true);
for (var i = 0; i < $optgroupOptions.length; i++) {
var option = $optgroupOptions[i];
that.setSelected($options.index(option), false);
}
that.setSelected(clickedIndex, true);
} else {
var maxOptionsText = typeof that.options.maxOptionsText === 'string' ? [that.options.maxOptionsText, that.options.maxOptionsText] : that.options.maxOptionsText,
maxOptionsArr = typeof maxOptionsText === 'function' ? maxOptionsText(maxOptions, maxOptionsGrp) : maxOptionsText,
maxTxt = maxOptionsArr[0].replace('{n}', maxOptions),
maxTxtGrp = maxOptionsArr[1].replace('{n}', maxOptionsGrp),
$notify = $('<div class="notify"></div>');
// If {var} is set in array, replace it
/** @deprecated */
if (maxOptionsArr[2]) {
maxTxt = maxTxt.replace('{var}', maxOptionsArr[2][maxOptions > 1 ? 0 : 1]);
maxTxtGrp = maxTxtGrp.replace('{var}', maxOptionsArr[2][maxOptionsGrp > 1 ? 0 : 1]);
}
$option.prop('selected', false);
that.$menu.append($notify);
if (maxOptions && maxReached) {
$notify.append($('<div>' + maxTxt + '</div>'));
triggerChange = false;
that.$element.trigger('maxReached.bs.select');
}
if (maxOptionsGrp && maxReachedGrp) {
$notify.append($('<div>' + maxTxtGrp + '</div>'));
triggerChange = false;
that.$element.trigger('maxReachedGrp.bs.select');
}
setTimeout(function () {
that.setSelected(clickedIndex, false);
}, 10);
$notify.delay(750).fadeOut(300, function () {
$(this).remove();
});
}
}
}
}
if (!that.multiple || (that.multiple && that.options.maxOptions === 1)) {
that.$button.focus();
} else if (that.options.liveSearch) {
that.$searchbox.focus();
}
// Trigger select 'change'
if (triggerChange) {
if ((prevValue != getSelectValues(that.$element[0]) && that.multiple) || (prevIndex != that.$element.prop('selectedIndex') && !that.multiple)) {
// $option.prop('selected') is current option state (selected/unselected). prevValue is the value of the select prior to being changed.
changed_arguments = [clickedIndex, $option.prop('selected'), prevValue];
that.$element
.triggerNative('change');
}
}
}
});
this.$menu.on('click', 'li.' + classNames.DISABLED + ' a, .' + classNames.POPOVERHEADER + ', .' + classNames.POPOVERHEADER + ' :not(.close)', function (e) {
if (e.currentTarget == this) {
e.preventDefault();
e.stopPropagation();
if (that.options.liveSearch && !$(e.target).hasClass('close')) {
that.$searchbox.focus();
} else {
that.$button.focus();
}
}
});
this.$menuInner.on('click', '.divider, .dropdown-header', function (e) {
e.preventDefault();
e.stopPropagation();
if (that.options.liveSearch) {
that.$searchbox.focus();
} else {
that.$button.focus();
}
});
this.$menu.on('click', '.' + classNames.POPOVERHEADER + ' .close', function () {
that.$button.click();
});
this.$searchbox.on('click', function (e) {
e.stopPropagation();
});
this.$menu.on('click', '.actions-btn', function (e) {
if (that.options.liveSearch) {
that.$searchbox.focus();
} else {
that.$button.focus();
}
e.preventDefault();
e.stopPropagation();
if ($(this).hasClass('bs-select-all')) {
that.selectAll();
} else {
that.deselectAll();
}
});
this.$element.on({
'change': function () {
that.render();
that.$element.trigger('changed.bs.select', changed_arguments);
changed_arguments = null;
},
'focus': function () {
that.$button.focus();
}
});
},
liveSearchListener: function () {
var that = this,
no_results = document.createElement('li');
this.$button.on('click.bs.dropdown.data-api', function () {
if (!!that.$searchbox.val()) {
that.$searchbox.val('');
}
});
this.$searchbox.on('click.bs.dropdown.data-api focus.bs.dropdown.data-api touchend.bs.dropdown.data-api', function (e) {
e.stopPropagation();
});
this.$searchbox.on('input propertychange', function () {
var searchValue = that.$searchbox.val();
that.selectpicker.search.map.newIndex = {};
that.selectpicker.search.map.originalIndex = {};
that.selectpicker.search.elements = [];
that.selectpicker.search.data = [];
if (searchValue) {
var i,
searchMatch = [],
q = searchValue.toUpperCase(),
cache = {},
cacheArr = [],
searchStyle = that._searchStyle(),
normalizeSearch = that.options.liveSearchNormalize;
that._$lisSelected = that.$menuInner.find('.selected');
for (var i = 0; i < that.selectpicker.main.data.length; i++) {
var li = that.selectpicker.main.data[i];
if (!cache[i]) {
cache[i] = stringSearch(li, q, searchStyle, normalizeSearch);
}
if (cache[i] && li.headerIndex !== undefined && cacheArr.indexOf(li.headerIndex) === -1) {
if (li.headerIndex > 0) {
cache[li.headerIndex - 1] = true;
cacheArr.push(li.headerIndex - 1);
}
cache[li.headerIndex] = true;
cacheArr.push(li.headerIndex);
cache[li.lastIndex + 1] = true;
}
if (cache[i] && li.type !== 'optgroup-label') cacheArr.push(i);
}
for (var i = 0, cacheLen = cacheArr.length; i < cacheLen; i++) {
var index = cacheArr[i],
prevIndex = cacheArr[i - 1],
li = that.selectpicker.main.data[index],
liPrev = that.selectpicker.main.data[prevIndex];
if ( li.type !== 'divider' || ( li.type === 'divider' && liPrev && liPrev.type !== 'divider' && cacheLen - 1 !== i ) ) {
that.selectpicker.search.data.push(li);
searchMatch.push(that.selectpicker.main.elements[index]);
if (li.hasOwnProperty('originalIndex')) {
that.selectpicker.search.map.newIndex[li.originalIndex] = searchMatch.length - 1;
that.selectpicker.search.map.originalIndex[searchMatch.length - 1] = li.originalIndex;
}
}
}
that.activeIndex = undefined;
that.noScroll = true;
that.$menuInner.scrollTop(0);
that.selectpicker.search.elements = searchMatch;
that.createView(true);
if (!searchMatch.length) {
no_results.className = 'no-results';
no_results.innerHTML = that.options.noneResultsText.replace('{0}', '"' + htmlEscape(searchValue) + '"');
that.$menuInner[0].firstChild.appendChild(no_results);
}
} else {
that.$menuInner.scrollTop(0);
that.createView(false);
}
});
},
_searchStyle: function () {
return this.options.liveSearchStyle || 'contains';
},
val: function (value) {
if (typeof value !== 'undefined') {
this.$element
.val(value)
.triggerNative('change');
return this.$element;
} else {
return this.$element.val();
}
},
changeAll: function (status) {
if (!this.multiple) return;
if (typeof status === 'undefined') status = true;
var $selectOptions = this.$element.find('option'),
previousSelected = 0,
currentSelected = 0,
prevValue = getSelectValues(this.$element[0]);
this.$element.addClass('bs-select-hidden');
for (var i = 0; i < this.selectpicker.current.elements.length; i++) {
var liData = this.selectpicker.current.data[i],
index = this.selectpicker.current.map.originalIndex[i], // faster than $(li).data('originalIndex')
option = $selectOptions[index];
if (option && !option.disabled && liData.type !== 'divider') {
if (option.selected) previousSelected++;
option.selected = status;
if (option.selected) currentSelected++;
}
}
this.$element.removeClass('bs-select-hidden');
if (previousSelected === currentSelected) return;
this.setOptionStatus();
this.togglePlaceholder();
changed_arguments = [null, null, prevValue];
this.$element
.triggerNative('change');
},
selectAll: function () {
return this.changeAll(true);
},
deselectAll: function () {
return this.changeAll(false);
},
toggle: function (e) {
e = e || window.event;
if (e) e.stopPropagation();
this.$button.trigger('click.bs.dropdown.data-api');
},
keydown: function (e) {
var $this = $(this),
isToggle = $this.hasClass('dropdown-toggle'),
$parent = isToggle ? $this.closest('.dropdown') : $this.closest(Selector.MENU),
that = $parent.data('this'),
$items = that.findLis(),
index,
isActive,
liActive,
activeLi,
offset,
updateScroll = false,
downOnTab = e.which === keyCodes.TAB && !isToggle && !that.options.selectOnTab,
isArrowKey = REGEXP_ARROW.test(e.which) || downOnTab,
scrollTop = that.$menuInner[0].scrollTop,
isVirtual = that.isVirtual(),
position0 = isVirtual === true ? that.selectpicker.view.position0 : 0;
isActive = that.$newElement.hasClass(classNames.SHOW);
if (
!isActive &&
(
isArrowKey ||
e.which >= 48 && e.which <= 57 ||
e.which >= 96 && e.which <= 105 ||
e.which >= 65 && e.which <= 90
)
) {
that.$button.trigger('click.bs.dropdown.data-api');
}
if (e.which === keyCodes.ESCAPE && isActive) {
e.preventDefault();
that.$button.trigger('click.bs.dropdown.data-api').focus();
}
if (isArrowKey) { // if up or down
if (!$items.length) return;
// $items.index/.filter is too slow with a large list and no virtual scroll
index = isVirtual === true ? $items.index($items.filter('.active')) : that.selectpicker.current.map.newIndex[that.activeIndex];
if (index === undefined) index = -1;
if (index !== -1) {
liActive = that.selectpicker.current.elements[index + position0];
liActive.classList.remove('active');
if (liActive.firstChild) liActive.firstChild.classList.remove('active');
}
if (e.which === keyCodes.ARROW_UP) { // up
if (index !== -1) index--;
if (index + position0 < 0) index += $items.length;
if (!that.selectpicker.view.canHighlight[index + position0]) {
index = that.selectpicker.view.canHighlight.slice(0, index + position0).lastIndexOf(true) - position0;
if (index === -1) index = $items.length - 1;
}
} else if (e.which === keyCodes.ARROW_DOWN || downOnTab) { // down
index++;
if (index + position0 >= that.selectpicker.view.canHighlight.length) index = 0;
if (!that.selectpicker.view.canHighlight[index + position0]) {
index = index + 1 + that.selectpicker.view.canHighlight.slice(index + position0 + 1).indexOf(true);
}
}
e.preventDefault();
var liActiveIndex = position0 + index;
if (e.which === keyCodes.ARROW_UP) { // up
// scroll to bottom and highlight last option
if (position0 === 0 && index === $items.length - 1) {
that.$menuInner[0].scrollTop = that.$menuInner[0].scrollHeight;
liActiveIndex = that.selectpicker.current.elements.length - 1;
} else {
activeLi = that.selectpicker.current.data[liActiveIndex];
offset = activeLi.position - activeLi.height;
updateScroll = offset < scrollTop;
}
} else if (e.which === keyCodes.ARROW_DOWN || downOnTab) { // down
// scroll to top and highlight first option
if (index === 0) {
that.$menuInner[0].scrollTop = 0;
liActiveIndex = 0;
} else {
activeLi = that.selectpicker.current.data[liActiveIndex];
offset = activeLi.position - that.sizeInfo.menuInnerHeight;
updateScroll = offset > scrollTop;
}
}
liActive = that.selectpicker.current.elements[liActiveIndex];
if (liActive) {
liActive.classList.add('active');
if (liActive.firstChild) liActive.firstChild.classList.add('active');
}
that.activeIndex = that.selectpicker.current.map.originalIndex[liActiveIndex];
that.selectpicker.view.currentActive = liActive;
if (updateScroll) that.$menuInner[0].scrollTop = offset;
if (that.options.liveSearch) {
that.$searchbox.focus();
} else {
$this.focus();
}
} else if (
!$this.is('input') &&
!REGEXP_TAB_OR_ESCAPE.test(e.which) ||
(e.which === keyCodes.SPACE && that.selectpicker.keydown.keyHistory)
) {
var searchMatch,
matches = [],
keyHistory;
e.preventDefault();
that.selectpicker.keydown.keyHistory += keyCodeMap[e.which];
if (that.selectpicker.keydown.resetKeyHistory.cancel) clearTimeout(that.selectpicker.keydown.resetKeyHistory.cancel);
that.selectpicker.keydown.resetKeyHistory.cancel = that.selectpicker.keydown.resetKeyHistory.start();
keyHistory = that.selectpicker.keydown.keyHistory;
// if all letters are the same, set keyHistory to just the first character when searching
if (/^(.)\1+$/.test(keyHistory)) {
keyHistory = keyHistory.charAt(0);
}
// find matches
for (var i = 0; i < that.selectpicker.current.data.length; i++) {
var li = that.selectpicker.current.data[i],
hasMatch;
hasMatch = stringSearch(li, keyHistory, 'startsWith', true);
if (hasMatch && that.selectpicker.view.canHighlight[i]) {
li.index = i;
matches.push(li.originalIndex);
}
}
if (matches.length) {
var matchIndex = 0;
$items.removeClass('active').find('a').removeClass('active');
// either only one key has been pressed or they are all the same key
if (keyHistory.length === 1) {
matchIndex = matches.indexOf(that.activeIndex);
if (matchIndex === -1 || matchIndex === matches.length - 1) {
matchIndex = 0;
} else {
matchIndex++;
}
}
searchMatch = that.selectpicker.current.map.newIndex[matches[matchIndex]];
activeLi = that.selectpicker.current.data[searchMatch];
if (scrollTop - activeLi.position > 0) {
offset = activeLi.position - activeLi.height;
updateScroll = true;
} else {
offset = activeLi.position - that.sizeInfo.menuInnerHeight;
// if the option is already visible at the current scroll position, just keep it the same
updateScroll = activeLi.position > scrollTop + that.sizeInfo.menuInnerHeight;
}
liActive = that.selectpicker.current.elements[searchMatch];
liActive.classList.add('active');
if (liActive.firstChild) liActive.firstChild.classList.add('active');
that.activeIndex = matches[matchIndex];
liActive.firstChild.focus();
if (updateScroll) that.$menuInner[0].scrollTop = offset;
$this.focus();
}
}
// Select focused option if "Enter", "Spacebar" or "Tab" (when selectOnTab is true) are pressed inside the menu.
if (
isActive &&
(
(e.which === keyCodes.SPACE && !that.selectpicker.keydown.keyHistory) ||
e.which === keyCodes.ENTER ||
(e.which === keyCodes.TAB && that.options.selectOnTab)
)
) {
if (e.which !== keyCodes.SPACE) e.preventDefault();
if (!that.options.liveSearch || e.which !== keyCodes.SPACE) {
that.$menuInner.find('.active a').trigger('click', true); // retain active class
$this.focus();
if (!that.options.liveSearch) {
// Prevent screen from scrolling if the user hits the spacebar
e.preventDefault();
// Fixes spacebar selection of dropdown items in FF & IE
$(document).data('spaceSelect', true);
}
}
}
},
mobile: function () {
this.$element.addClass('mobile-device');
},
refresh: function () {
// update options if data attributes have been changed
var config = $.extend({}, this.options, this.$element.data());
this.options = config;
this.selectpicker.main.map.newIndex = {};
this.selectpicker.main.map.originalIndex = {};
this.createLi();
this.checkDisabled();
this.render();
this.setStyle();
this.setWidth();
this.setSize(true);
this.$element.trigger('refreshed.bs.select');
},
hide: function () {
this.$newElement.hide();
},
show: function () {
this.$newElement.show();
},
remove: function () {
this.$newElement.remove();
this.$element.remove();
},
destroy: function () {
this.$newElement.before(this.$element).remove();
if (this.$bsContainer) {
this.$bsContainer.remove();
} else {
this.$menu.remove();
}
this.$element
.off('.bs.select')
.removeData('selectpicker')
.removeClass('bs-select-hidden selectpicker');
}
};
// SELECTPICKER PLUGIN DEFINITION
// ==============================
function Plugin(option) {
// get the args of the outer function..
var args = arguments;
// The arguments of the function are explicitly re-defined from the argument list, because the shift causes them
// to get lost/corrupted in android 2.3 and IE9 #715 #775
var _option = option;
[].shift.apply(args);
// if the version was not set successfully
if (!version.success) {
// try to retreive it again
try {
version.full = ($.fn.dropdown.Constructor.VERSION || '').split(' ')[0].split('.');
}
// fall back to use BootstrapVersion
catch(err) {
version.full = Selectpicker.BootstrapVersion.split(' ')[0].split('.');
}
version.major = version.full[0];
version.success = true;
if (version.major === '4') {
classNames.DIVIDER = 'dropdown-divider';
classNames.SHOW = 'show';
classNames.BUTTONCLASS = 'btn-light';
Selectpicker.DEFAULTS.style = classNames.BUTTONCLASS = 'btn-light';
classNames.POPOVERHEADER = 'popover-header';
}
}
var value;
var chain = this.each(function () {
var $this = $(this);
if ($this.is('select')) {
var data = $this.data('selectpicker'),
options = typeof _option == 'object' && _option;
if (!data) {
var config = $.extend({}, Selectpicker.DEFAULTS, $.fn.selectpicker.defaults || {}, $this.data(), options);
config.template = $.extend({}, Selectpicker.DEFAULTS.template, ($.fn.selectpicker.defaults ? $.fn.selectpicker.defaults.template : {}), $this.data().template, options.template);
$this.data('selectpicker', (data = new Selectpicker(this, config)));
} else if (options) {
for (var i in options) {
if (options.hasOwnProperty(i)) {
data.options[i] = options[i];
}
}
}
if (typeof _option == 'string') {
if (data[_option] instanceof Function) {
value = data[_option].apply(data, args);
} else {
value = data.options[_option];
}
}
}
});
if (typeof value !== 'undefined') {
//noinspection JSUnusedAssignment
return value;
} else {
return chain;
}
}
var old = $.fn.selectpicker;
$.fn.selectpicker = Plugin;
$.fn.selectpicker.Constructor = Selectpicker;
// SELECTPICKER NO CONFLICT
// ========================
$.fn.selectpicker.noConflict = function () {
$.fn.selectpicker = old;
return this;
};
$(document)
.off('keydown.bs.dropdown.data-api')
.on('keydown.bs.select', '.bootstrap-select [data-toggle="dropdown"], .bootstrap-select [role="listbox"], .bs-searchbox input', Selectpicker.prototype.keydown)
.on('focusin.modal', '.bootstrap-select [data-toggle="dropdown"], .bootstrap-select [role="listbox"], .bs-searchbox input', function (e) {
e.stopPropagation();
});
// SELECTPICKER DATA-API
// =====================
$(window).on('load.bs.select.data-api', function () {
$('.selectpicker').each(function () {
var $selectpicker = $(this);
Plugin.call($selectpicker, $selectpicker.data());
})
});
})(jQuery);
}));