mirror of
https://github.com/twbs/bootstrap.git
synced 2024-12-12 00:08:59 +01:00
539 lines
17 KiB
JavaScript
539 lines
17 KiB
JavaScript
/*!
|
|
* Bootstrap dropdown.js v4.5.2 (https://getbootstrap.com/)
|
|
* Copyright 2011-2020 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
|
|
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
|
|
*/
|
|
(function (global, factory) {
|
|
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('popper.js'), require('./util.js')) :
|
|
typeof define === 'function' && define.amd ? define(['jquery', 'popper.js', './util.js'], factory) :
|
|
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Dropdown = factory(global.jQuery, global.Popper, global.Util));
|
|
}(this, (function ($, Popper, Util) { 'use strict';
|
|
|
|
$ = $ && Object.prototype.hasOwnProperty.call($, 'default') ? $['default'] : $;
|
|
Popper = Popper && Object.prototype.hasOwnProperty.call(Popper, 'default') ? Popper['default'] : Popper;
|
|
Util = Util && Object.prototype.hasOwnProperty.call(Util, 'default') ? Util['default'] : Util;
|
|
|
|
function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
|
|
|
|
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
|
|
|
|
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
|
|
/**
|
|
* ------------------------------------------------------------------------
|
|
* Constants
|
|
* ------------------------------------------------------------------------
|
|
*/
|
|
|
|
var NAME = 'dropdown';
|
|
var VERSION = '4.5.2';
|
|
var DATA_KEY = 'bs.dropdown';
|
|
var EVENT_KEY = "." + DATA_KEY;
|
|
var DATA_API_KEY = '.data-api';
|
|
var JQUERY_NO_CONFLICT = $.fn[NAME];
|
|
var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key
|
|
|
|
var SPACE_KEYCODE = 32; // KeyboardEvent.which value for space key
|
|
|
|
var TAB_KEYCODE = 9; // KeyboardEvent.which value for tab key
|
|
|
|
var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key
|
|
|
|
var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key
|
|
|
|
var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse)
|
|
|
|
var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + "|" + ARROW_DOWN_KEYCODE + "|" + ESCAPE_KEYCODE);
|
|
var EVENT_HIDE = "hide" + EVENT_KEY;
|
|
var EVENT_HIDDEN = "hidden" + EVENT_KEY;
|
|
var EVENT_SHOW = "show" + EVENT_KEY;
|
|
var EVENT_SHOWN = "shown" + EVENT_KEY;
|
|
var EVENT_CLICK = "click" + EVENT_KEY;
|
|
var EVENT_CLICK_DATA_API = "click" + EVENT_KEY + DATA_API_KEY;
|
|
var EVENT_KEYDOWN_DATA_API = "keydown" + EVENT_KEY + DATA_API_KEY;
|
|
var EVENT_KEYUP_DATA_API = "keyup" + EVENT_KEY + DATA_API_KEY;
|
|
var CLASS_NAME_DISABLED = 'disabled';
|
|
var CLASS_NAME_SHOW = 'show';
|
|
var CLASS_NAME_DROPUP = 'dropup';
|
|
var CLASS_NAME_DROPRIGHT = 'dropright';
|
|
var CLASS_NAME_DROPLEFT = 'dropleft';
|
|
var CLASS_NAME_MENURIGHT = 'dropdown-menu-right';
|
|
var CLASS_NAME_POSITION_STATIC = 'position-static';
|
|
var SELECTOR_DATA_TOGGLE = '[data-toggle="dropdown"]';
|
|
var SELECTOR_FORM_CHILD = '.dropdown form';
|
|
var SELECTOR_MENU = '.dropdown-menu';
|
|
var SELECTOR_NAVBAR_NAV = '.navbar-nav';
|
|
var SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)';
|
|
var PLACEMENT_TOP = 'top-start';
|
|
var PLACEMENT_TOPEND = 'top-end';
|
|
var PLACEMENT_BOTTOM = 'bottom-start';
|
|
var PLACEMENT_BOTTOMEND = 'bottom-end';
|
|
var PLACEMENT_RIGHT = 'right-start';
|
|
var PLACEMENT_LEFT = 'left-start';
|
|
var Default = {
|
|
offset: 0,
|
|
flip: true,
|
|
boundary: 'scrollParent',
|
|
reference: 'toggle',
|
|
display: 'dynamic',
|
|
popperConfig: null
|
|
};
|
|
var DefaultType = {
|
|
offset: '(number|string|function)',
|
|
flip: 'boolean',
|
|
boundary: '(string|element)',
|
|
reference: '(string|element)',
|
|
display: 'string',
|
|
popperConfig: '(null|object)'
|
|
};
|
|
/**
|
|
* ------------------------------------------------------------------------
|
|
* Class Definition
|
|
* ------------------------------------------------------------------------
|
|
*/
|
|
|
|
var Dropdown = /*#__PURE__*/function () {
|
|
function Dropdown(element, config) {
|
|
this._element = element;
|
|
this._popper = null;
|
|
this._config = this._getConfig(config);
|
|
this._menu = this._getMenuElement();
|
|
this._inNavbar = this._detectNavbar();
|
|
|
|
this._addEventListeners();
|
|
} // Getters
|
|
|
|
|
|
var _proto = Dropdown.prototype;
|
|
|
|
// Public
|
|
_proto.toggle = function toggle() {
|
|
if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED)) {
|
|
return;
|
|
}
|
|
|
|
var isActive = $(this._menu).hasClass(CLASS_NAME_SHOW);
|
|
|
|
Dropdown._clearMenus();
|
|
|
|
if (isActive) {
|
|
return;
|
|
}
|
|
|
|
this.show(true);
|
|
};
|
|
|
|
_proto.show = function show(usePopper) {
|
|
if (usePopper === void 0) {
|
|
usePopper = false;
|
|
}
|
|
|
|
if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED) || $(this._menu).hasClass(CLASS_NAME_SHOW)) {
|
|
return;
|
|
}
|
|
|
|
var relatedTarget = {
|
|
relatedTarget: this._element
|
|
};
|
|
var showEvent = $.Event(EVENT_SHOW, relatedTarget);
|
|
|
|
var parent = Dropdown._getParentFromElement(this._element);
|
|
|
|
$(parent).trigger(showEvent);
|
|
|
|
if (showEvent.isDefaultPrevented()) {
|
|
return;
|
|
} // Disable totally Popper.js for Dropdown in Navbar
|
|
|
|
|
|
if (!this._inNavbar && usePopper) {
|
|
/**
|
|
* Check for Popper dependency
|
|
* Popper - https://popper.js.org
|
|
*/
|
|
if (typeof Popper === 'undefined') {
|
|
throw new TypeError('Bootstrap\'s dropdowns require Popper.js (https://popper.js.org/)');
|
|
}
|
|
|
|
var referenceElement = this._element;
|
|
|
|
if (this._config.reference === 'parent') {
|
|
referenceElement = parent;
|
|
} else if (Util.isElement(this._config.reference)) {
|
|
referenceElement = this._config.reference; // Check if it's jQuery element
|
|
|
|
if (typeof this._config.reference.jquery !== 'undefined') {
|
|
referenceElement = this._config.reference[0];
|
|
}
|
|
} // If boundary is not `scrollParent`, then set position to `static`
|
|
// to allow the menu to "escape" the scroll parent's boundaries
|
|
// https://github.com/twbs/bootstrap/issues/24251
|
|
|
|
|
|
if (this._config.boundary !== 'scrollParent') {
|
|
$(parent).addClass(CLASS_NAME_POSITION_STATIC);
|
|
}
|
|
|
|
this._popper = new Popper(referenceElement, this._menu, this._getPopperConfig());
|
|
} // If this is a touch-enabled device we add extra
|
|
// empty mouseover listeners to the body's immediate children;
|
|
// only needed because of broken event delegation on iOS
|
|
// https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
|
|
|
|
|
|
if ('ontouchstart' in document.documentElement && $(parent).closest(SELECTOR_NAVBAR_NAV).length === 0) {
|
|
$(document.body).children().on('mouseover', null, $.noop);
|
|
}
|
|
|
|
this._element.focus();
|
|
|
|
this._element.setAttribute('aria-expanded', true);
|
|
|
|
$(this._menu).toggleClass(CLASS_NAME_SHOW);
|
|
$(parent).toggleClass(CLASS_NAME_SHOW).trigger($.Event(EVENT_SHOWN, relatedTarget));
|
|
};
|
|
|
|
_proto.hide = function hide() {
|
|
if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED) || !$(this._menu).hasClass(CLASS_NAME_SHOW)) {
|
|
return;
|
|
}
|
|
|
|
var relatedTarget = {
|
|
relatedTarget: this._element
|
|
};
|
|
var hideEvent = $.Event(EVENT_HIDE, relatedTarget);
|
|
|
|
var parent = Dropdown._getParentFromElement(this._element);
|
|
|
|
$(parent).trigger(hideEvent);
|
|
|
|
if (hideEvent.isDefaultPrevented()) {
|
|
return;
|
|
}
|
|
|
|
if (this._popper) {
|
|
this._popper.destroy();
|
|
}
|
|
|
|
$(this._menu).toggleClass(CLASS_NAME_SHOW);
|
|
$(parent).toggleClass(CLASS_NAME_SHOW).trigger($.Event(EVENT_HIDDEN, relatedTarget));
|
|
};
|
|
|
|
_proto.dispose = function dispose() {
|
|
$.removeData(this._element, DATA_KEY);
|
|
$(this._element).off(EVENT_KEY);
|
|
this._element = null;
|
|
this._menu = null;
|
|
|
|
if (this._popper !== null) {
|
|
this._popper.destroy();
|
|
|
|
this._popper = null;
|
|
}
|
|
};
|
|
|
|
_proto.update = function update() {
|
|
this._inNavbar = this._detectNavbar();
|
|
|
|
if (this._popper !== null) {
|
|
this._popper.scheduleUpdate();
|
|
}
|
|
} // Private
|
|
;
|
|
|
|
_proto._addEventListeners = function _addEventListeners() {
|
|
var _this = this;
|
|
|
|
$(this._element).on(EVENT_CLICK, function (event) {
|
|
event.preventDefault();
|
|
event.stopPropagation();
|
|
|
|
_this.toggle();
|
|
});
|
|
};
|
|
|
|
_proto._getConfig = function _getConfig(config) {
|
|
config = _extends({}, this.constructor.Default, $(this._element).data(), config);
|
|
Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
|
|
return config;
|
|
};
|
|
|
|
_proto._getMenuElement = function _getMenuElement() {
|
|
if (!this._menu) {
|
|
var parent = Dropdown._getParentFromElement(this._element);
|
|
|
|
if (parent) {
|
|
this._menu = parent.querySelector(SELECTOR_MENU);
|
|
}
|
|
}
|
|
|
|
return this._menu;
|
|
};
|
|
|
|
_proto._getPlacement = function _getPlacement() {
|
|
var $parentDropdown = $(this._element.parentNode);
|
|
var placement = PLACEMENT_BOTTOM; // Handle dropup
|
|
|
|
if ($parentDropdown.hasClass(CLASS_NAME_DROPUP)) {
|
|
placement = $(this._menu).hasClass(CLASS_NAME_MENURIGHT) ? PLACEMENT_TOPEND : PLACEMENT_TOP;
|
|
} else if ($parentDropdown.hasClass(CLASS_NAME_DROPRIGHT)) {
|
|
placement = PLACEMENT_RIGHT;
|
|
} else if ($parentDropdown.hasClass(CLASS_NAME_DROPLEFT)) {
|
|
placement = PLACEMENT_LEFT;
|
|
} else if ($(this._menu).hasClass(CLASS_NAME_MENURIGHT)) {
|
|
placement = PLACEMENT_BOTTOMEND;
|
|
}
|
|
|
|
return placement;
|
|
};
|
|
|
|
_proto._detectNavbar = function _detectNavbar() {
|
|
return $(this._element).closest('.navbar').length > 0;
|
|
};
|
|
|
|
_proto._getOffset = function _getOffset() {
|
|
var _this2 = this;
|
|
|
|
var offset = {};
|
|
|
|
if (typeof this._config.offset === 'function') {
|
|
offset.fn = function (data) {
|
|
data.offsets = _extends({}, data.offsets, _this2._config.offset(data.offsets, _this2._element) || {});
|
|
return data;
|
|
};
|
|
} else {
|
|
offset.offset = this._config.offset;
|
|
}
|
|
|
|
return offset;
|
|
};
|
|
|
|
_proto._getPopperConfig = function _getPopperConfig() {
|
|
var popperConfig = {
|
|
placement: this._getPlacement(),
|
|
modifiers: {
|
|
offset: this._getOffset(),
|
|
flip: {
|
|
enabled: this._config.flip
|
|
},
|
|
preventOverflow: {
|
|
boundariesElement: this._config.boundary
|
|
}
|
|
}
|
|
}; // Disable Popper.js if we have a static display
|
|
|
|
if (this._config.display === 'static') {
|
|
popperConfig.modifiers.applyStyle = {
|
|
enabled: false
|
|
};
|
|
}
|
|
|
|
return _extends({}, popperConfig, this._config.popperConfig);
|
|
} // Static
|
|
;
|
|
|
|
Dropdown._jQueryInterface = function _jQueryInterface(config) {
|
|
return this.each(function () {
|
|
var data = $(this).data(DATA_KEY);
|
|
|
|
var _config = typeof config === 'object' ? config : null;
|
|
|
|
if (!data) {
|
|
data = new Dropdown(this, _config);
|
|
$(this).data(DATA_KEY, data);
|
|
}
|
|
|
|
if (typeof config === 'string') {
|
|
if (typeof data[config] === 'undefined') {
|
|
throw new TypeError("No method named \"" + config + "\"");
|
|
}
|
|
|
|
data[config]();
|
|
}
|
|
});
|
|
};
|
|
|
|
Dropdown._clearMenus = function _clearMenus(event) {
|
|
if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) {
|
|
return;
|
|
}
|
|
|
|
var toggles = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE));
|
|
|
|
for (var i = 0, len = toggles.length; i < len; i++) {
|
|
var parent = Dropdown._getParentFromElement(toggles[i]);
|
|
|
|
var context = $(toggles[i]).data(DATA_KEY);
|
|
var relatedTarget = {
|
|
relatedTarget: toggles[i]
|
|
};
|
|
|
|
if (event && event.type === 'click') {
|
|
relatedTarget.clickEvent = event;
|
|
}
|
|
|
|
if (!context) {
|
|
continue;
|
|
}
|
|
|
|
var dropdownMenu = context._menu;
|
|
|
|
if (!$(parent).hasClass(CLASS_NAME_SHOW)) {
|
|
continue;
|
|
}
|
|
|
|
if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $.contains(parent, event.target)) {
|
|
continue;
|
|
}
|
|
|
|
var hideEvent = $.Event(EVENT_HIDE, relatedTarget);
|
|
$(parent).trigger(hideEvent);
|
|
|
|
if (hideEvent.isDefaultPrevented()) {
|
|
continue;
|
|
} // If this is a touch-enabled device we remove the extra
|
|
// empty mouseover listeners we added for iOS support
|
|
|
|
|
|
if ('ontouchstart' in document.documentElement) {
|
|
$(document.body).children().off('mouseover', null, $.noop);
|
|
}
|
|
|
|
toggles[i].setAttribute('aria-expanded', 'false');
|
|
|
|
if (context._popper) {
|
|
context._popper.destroy();
|
|
}
|
|
|
|
$(dropdownMenu).removeClass(CLASS_NAME_SHOW);
|
|
$(parent).removeClass(CLASS_NAME_SHOW).trigger($.Event(EVENT_HIDDEN, relatedTarget));
|
|
}
|
|
};
|
|
|
|
Dropdown._getParentFromElement = function _getParentFromElement(element) {
|
|
var parent;
|
|
var selector = Util.getSelectorFromElement(element);
|
|
|
|
if (selector) {
|
|
parent = document.querySelector(selector);
|
|
}
|
|
|
|
return parent || element.parentNode;
|
|
} // eslint-disable-next-line complexity
|
|
;
|
|
|
|
Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) {
|
|
// If not input/textarea:
|
|
// - And not a key in REGEXP_KEYDOWN => not a dropdown command
|
|
// If input/textarea:
|
|
// - If space key => not a dropdown command
|
|
// - If key is other than escape
|
|
// - If key is not up or down => not a dropdown command
|
|
// - If trigger inside the menu => not a dropdown command
|
|
if (/input|textarea/i.test(event.target.tagName) ? event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE && (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE || $(event.target).closest(SELECTOR_MENU).length) : !REGEXP_KEYDOWN.test(event.which)) {
|
|
return;
|
|
}
|
|
|
|
if (this.disabled || $(this).hasClass(CLASS_NAME_DISABLED)) {
|
|
return;
|
|
}
|
|
|
|
var parent = Dropdown._getParentFromElement(this);
|
|
|
|
var isActive = $(parent).hasClass(CLASS_NAME_SHOW);
|
|
|
|
if (!isActive && event.which === ESCAPE_KEYCODE) {
|
|
return;
|
|
}
|
|
|
|
event.preventDefault();
|
|
event.stopPropagation();
|
|
|
|
if (!isActive || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {
|
|
if (event.which === ESCAPE_KEYCODE) {
|
|
$(parent.querySelector(SELECTOR_DATA_TOGGLE)).trigger('focus');
|
|
}
|
|
|
|
$(this).trigger('click');
|
|
return;
|
|
}
|
|
|
|
var items = [].slice.call(parent.querySelectorAll(SELECTOR_VISIBLE_ITEMS)).filter(function (item) {
|
|
return $(item).is(':visible');
|
|
});
|
|
|
|
if (items.length === 0) {
|
|
return;
|
|
}
|
|
|
|
var index = items.indexOf(event.target);
|
|
|
|
if (event.which === ARROW_UP_KEYCODE && index > 0) {
|
|
// Up
|
|
index--;
|
|
}
|
|
|
|
if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) {
|
|
// Down
|
|
index++;
|
|
}
|
|
|
|
if (index < 0) {
|
|
index = 0;
|
|
}
|
|
|
|
items[index].focus();
|
|
};
|
|
|
|
_createClass(Dropdown, null, [{
|
|
key: "VERSION",
|
|
get: function get() {
|
|
return VERSION;
|
|
}
|
|
}, {
|
|
key: "Default",
|
|
get: function get() {
|
|
return Default;
|
|
}
|
|
}, {
|
|
key: "DefaultType",
|
|
get: function get() {
|
|
return DefaultType;
|
|
}
|
|
}]);
|
|
|
|
return Dropdown;
|
|
}();
|
|
/**
|
|
* ------------------------------------------------------------------------
|
|
* Data Api implementation
|
|
* ------------------------------------------------------------------------
|
|
*/
|
|
|
|
|
|
$(document).on(EVENT_KEYDOWN_DATA_API, SELECTOR_DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(EVENT_KEYDOWN_DATA_API, SELECTOR_MENU, Dropdown._dataApiKeydownHandler).on(EVENT_CLICK_DATA_API + " " + EVENT_KEYUP_DATA_API, Dropdown._clearMenus).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
|
|
event.preventDefault();
|
|
event.stopPropagation();
|
|
|
|
Dropdown._jQueryInterface.call($(this), 'toggle');
|
|
}).on(EVENT_CLICK_DATA_API, SELECTOR_FORM_CHILD, function (e) {
|
|
e.stopPropagation();
|
|
});
|
|
/**
|
|
* ------------------------------------------------------------------------
|
|
* jQuery
|
|
* ------------------------------------------------------------------------
|
|
*/
|
|
|
|
$.fn[NAME] = Dropdown._jQueryInterface;
|
|
$.fn[NAME].Constructor = Dropdown;
|
|
|
|
$.fn[NAME].noConflict = function () {
|
|
$.fn[NAME] = JQUERY_NO_CONFLICT;
|
|
return Dropdown._jQueryInterface;
|
|
};
|
|
|
|
return Dropdown;
|
|
|
|
})));
|
|
//# sourceMappingURL=dropdown.js.map
|