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mirror of https://github.com/twbs/bootstrap.git synced 2024-11-29 11:24:18 +01:00
Bootstrap/js/dist/collapse.js
2019-11-08 10:11:23 +02:00

628 lines
19 KiB
JavaScript

/*!
* Bootstrap collapse.js v4.3.1 (https://getbootstrap.com/)
* Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/data.js'), require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./dom/selector-engine.js')) :
typeof define === 'function' && define.amd ? define(['./dom/data.js', './dom/event-handler.js', './dom/manipulator.js', './dom/selector-engine.js'], factory) :
(global = global || self, global.Collapse = factory(global.Data, global.EventHandler, global.Manipulator, global.SelectorEngine));
}(this, (function (Data, EventHandler, Manipulator, SelectorEngine) { 'use strict';
Data = Data && Data.hasOwnProperty('default') ? Data['default'] : Data;
EventHandler = EventHandler && EventHandler.hasOwnProperty('default') ? EventHandler['default'] : EventHandler;
Manipulator = Manipulator && Manipulator.hasOwnProperty('default') ? Manipulator['default'] : Manipulator;
SelectorEngine = SelectorEngine && SelectorEngine.hasOwnProperty('default') ? SelectorEngine['default'] : SelectorEngine;
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;
}
function _defineProperty(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
function ownKeys(object, enumerableOnly) {
var keys = Object.keys(object);
if (Object.getOwnPropertySymbols) {
var symbols = Object.getOwnPropertySymbols(object);
if (enumerableOnly) symbols = symbols.filter(function (sym) {
return Object.getOwnPropertyDescriptor(object, sym).enumerable;
});
keys.push.apply(keys, symbols);
}
return keys;
}
function _objectSpread2(target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i] != null ? arguments[i] : {};
if (i % 2) {
ownKeys(source, true).forEach(function (key) {
_defineProperty(target, key, source[key]);
});
} else if (Object.getOwnPropertyDescriptors) {
Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
} else {
ownKeys(source).forEach(function (key) {
Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
});
}
}
return target;
}
/**
* --------------------------------------------------------------------------
* Bootstrap (v4.3.1): util/index.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
var MILLISECONDS_MULTIPLIER = 1000;
var TRANSITION_END = 'transitionend'; // Shoutout AngusCroll (https://goo.gl/pxwQGp)
var toType = function toType(obj) {
return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
};
var getSelector = function getSelector(element) {
var selector = element.getAttribute('data-target');
if (!selector || selector === '#') {
var hrefAttr = element.getAttribute('href');
selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : null;
}
return selector;
};
var getSelectorFromElement = function getSelectorFromElement(element) {
var selector = getSelector(element);
if (selector) {
return document.querySelector(selector) ? selector : null;
}
return null;
};
var getElementFromSelector = function getElementFromSelector(element) {
var selector = getSelector(element);
return selector ? document.querySelector(selector) : null;
};
var getTransitionDurationFromElement = function getTransitionDurationFromElement(element) {
if (!element) {
return 0;
} // Get transition-duration of the element
var _window$getComputedSt = window.getComputedStyle(element),
transitionDuration = _window$getComputedSt.transitionDuration,
transitionDelay = _window$getComputedSt.transitionDelay;
var floatTransitionDuration = parseFloat(transitionDuration);
var floatTransitionDelay = parseFloat(transitionDelay); // Return 0 if element or transition duration is not found
if (!floatTransitionDuration && !floatTransitionDelay) {
return 0;
} // If multiple durations are defined, take the first
transitionDuration = transitionDuration.split(',')[0];
transitionDelay = transitionDelay.split(',')[0];
return (parseFloat(transitionDuration) + parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER;
};
var triggerTransitionEnd = function triggerTransitionEnd(element) {
var evt = document.createEvent('HTMLEvents');
evt.initEvent(TRANSITION_END, true, true);
element.dispatchEvent(evt);
};
var isElement = function isElement(obj) {
return (obj[0] || obj).nodeType;
};
var emulateTransitionEnd = function emulateTransitionEnd(element, duration) {
var called = false;
var durationPadding = 5;
var emulatedDuration = duration + durationPadding;
function listener() {
called = true;
element.removeEventListener(TRANSITION_END, listener);
}
element.addEventListener(TRANSITION_END, listener);
setTimeout(function () {
if (!called) {
triggerTransitionEnd(element);
}
}, emulatedDuration);
};
var typeCheckConfig = function typeCheckConfig(componentName, config, configTypes) {
Object.keys(configTypes).forEach(function (property) {
var expectedTypes = configTypes[property];
var value = config[property];
var valueType = value && isElement(value) ? 'element' : toType(value);
if (!new RegExp(expectedTypes).test(valueType)) {
throw new Error(componentName.toUpperCase() + ": " + ("Option \"" + property + "\" provided type \"" + valueType + "\" ") + ("but expected type \"" + expectedTypes + "\"."));
}
});
};
var makeArray = function makeArray(nodeList) {
if (!nodeList) {
return [];
}
return [].slice.call(nodeList);
};
var reflow = function reflow(element) {
return element.offsetHeight;
};
var getjQuery = function getjQuery() {
var _window = window,
jQuery = _window.jQuery;
if (jQuery && !document.body.hasAttribute('data-no-jquery')) {
return jQuery;
}
return null;
};
/**
* ------------------------------------------------------------------------
* Constants
* ------------------------------------------------------------------------
*/
var NAME = 'collapse';
var VERSION = '4.3.1';
var DATA_KEY = 'bs.collapse';
var EVENT_KEY = "." + DATA_KEY;
var DATA_API_KEY = '.data-api';
var Default = {
toggle: true,
parent: ''
};
var DefaultType = {
toggle: 'boolean',
parent: '(string|element)'
};
var Event = {
SHOW: "show" + EVENT_KEY,
SHOWN: "shown" + EVENT_KEY,
HIDE: "hide" + EVENT_KEY,
HIDDEN: "hidden" + EVENT_KEY,
CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
};
var ClassName = {
SHOW: 'show',
COLLAPSE: 'collapse',
COLLAPSING: 'collapsing',
COLLAPSED: 'collapsed'
};
var Dimension = {
WIDTH: 'width',
HEIGHT: 'height'
};
var Selector = {
ACTIVES: '.show, .collapsing',
DATA_TOGGLE: '[data-toggle="collapse"]'
};
/**
* ------------------------------------------------------------------------
* Class Definition
* ------------------------------------------------------------------------
*/
var Collapse =
/*#__PURE__*/
function () {
function Collapse(element, config) {
this._isTransitioning = false;
this._element = element;
this._config = this._getConfig(config);
this._triggerArray = makeArray(SelectorEngine.find("[data-toggle=\"collapse\"][href=\"#" + element.id + "\"]," + ("[data-toggle=\"collapse\"][data-target=\"#" + element.id + "\"]")));
var toggleList = makeArray(SelectorEngine.find(Selector.DATA_TOGGLE));
for (var i = 0, len = toggleList.length; i < len; i++) {
var elem = toggleList[i];
var selector = getSelectorFromElement(elem);
var filterElement = makeArray(SelectorEngine.find(selector)).filter(function (foundElem) {
return foundElem === element;
});
if (selector !== null && filterElement.length) {
this._selector = selector;
this._triggerArray.push(elem);
}
}
this._parent = this._config.parent ? this._getParent() : null;
if (!this._config.parent) {
this._addAriaAndCollapsedClass(this._element, this._triggerArray);
}
if (this._config.toggle) {
this.toggle();
}
Data.setData(element, DATA_KEY, this);
} // Getters
var _proto = Collapse.prototype;
// Public
_proto.toggle = function toggle() {
if (this._element.classList.contains(ClassName.SHOW)) {
this.hide();
} else {
this.show();
}
};
_proto.show = function show() {
var _this = this;
if (this._isTransitioning || this._element.classList.contains(ClassName.SHOW)) {
return;
}
var actives;
var activesData;
if (this._parent) {
actives = makeArray(SelectorEngine.find(Selector.ACTIVES, this._parent)).filter(function (elem) {
if (typeof _this._config.parent === 'string') {
return elem.getAttribute('data-parent') === _this._config.parent;
}
return elem.classList.contains(ClassName.COLLAPSE);
});
if (actives.length === 0) {
actives = null;
}
}
var container = SelectorEngine.findOne(this._selector);
if (actives) {
var tempActiveData = actives.filter(function (elem) {
return container !== elem;
});
activesData = tempActiveData[0] ? Data.getData(tempActiveData[0], DATA_KEY) : null;
if (activesData && activesData._isTransitioning) {
return;
}
}
var startEvent = EventHandler.trigger(this._element, Event.SHOW);
if (startEvent.defaultPrevented) {
return;
}
if (actives) {
actives.forEach(function (elemActive) {
if (container !== elemActive) {
Collapse.collapseInterface(elemActive, 'hide');
}
if (!activesData) {
Data.setData(elemActive, DATA_KEY, null);
}
});
}
var dimension = this._getDimension();
this._element.classList.remove(ClassName.COLLAPSE);
this._element.classList.add(ClassName.COLLAPSING);
this._element.style[dimension] = 0;
if (this._triggerArray.length) {
this._triggerArray.forEach(function (element) {
element.classList.remove(ClassName.COLLAPSED);
element.setAttribute('aria-expanded', true);
});
}
this.setTransitioning(true);
var complete = function complete() {
_this._element.classList.remove(ClassName.COLLAPSING);
_this._element.classList.add(ClassName.COLLAPSE);
_this._element.classList.add(ClassName.SHOW);
_this._element.style[dimension] = '';
_this.setTransitioning(false);
EventHandler.trigger(_this._element, Event.SHOWN);
};
var capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1);
var scrollSize = "scroll" + capitalizedDimension;
var transitionDuration = getTransitionDurationFromElement(this._element);
EventHandler.one(this._element, TRANSITION_END, complete);
emulateTransitionEnd(this._element, transitionDuration);
this._element.style[dimension] = this._element[scrollSize] + "px";
};
_proto.hide = function hide() {
var _this2 = this;
if (this._isTransitioning || !this._element.classList.contains(ClassName.SHOW)) {
return;
}
var startEvent = EventHandler.trigger(this._element, Event.HIDE);
if (startEvent.defaultPrevented) {
return;
}
var dimension = this._getDimension();
this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + "px";
reflow(this._element);
this._element.classList.add(ClassName.COLLAPSING);
this._element.classList.remove(ClassName.COLLAPSE);
this._element.classList.remove(ClassName.SHOW);
var triggerArrayLength = this._triggerArray.length;
if (triggerArrayLength > 0) {
for (var i = 0; i < triggerArrayLength; i++) {
var trigger = this._triggerArray[i];
var elem = getElementFromSelector(trigger);
if (elem && !elem.classList.contains(ClassName.SHOW)) {
trigger.classList.add(ClassName.COLLAPSED);
trigger.setAttribute('aria-expanded', false);
}
}
}
this.setTransitioning(true);
var complete = function complete() {
_this2.setTransitioning(false);
_this2._element.classList.remove(ClassName.COLLAPSING);
_this2._element.classList.add(ClassName.COLLAPSE);
EventHandler.trigger(_this2._element, Event.HIDDEN);
};
this._element.style[dimension] = '';
var transitionDuration = getTransitionDurationFromElement(this._element);
EventHandler.one(this._element, TRANSITION_END, complete);
emulateTransitionEnd(this._element, transitionDuration);
};
_proto.setTransitioning = function setTransitioning(isTransitioning) {
this._isTransitioning = isTransitioning;
};
_proto.dispose = function dispose() {
Data.removeData(this._element, DATA_KEY);
this._config = null;
this._parent = null;
this._element = null;
this._triggerArray = null;
this._isTransitioning = null;
} // Private
;
_proto._getConfig = function _getConfig(config) {
config = _objectSpread2({}, Default, {}, config);
config.toggle = Boolean(config.toggle); // Coerce string values
typeCheckConfig(NAME, config, DefaultType);
return config;
};
_proto._getDimension = function _getDimension() {
var hasWidth = this._element.classList.contains(Dimension.WIDTH);
return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT;
};
_proto._getParent = function _getParent() {
var _this3 = this;
var parent = this._config.parent;
if (isElement(parent)) {
// it's a jQuery object
if (typeof parent.jquery !== 'undefined' || typeof parent[0] !== 'undefined') {
parent = parent[0];
}
} else {
parent = SelectorEngine.findOne(parent);
}
var selector = "[data-toggle=\"collapse\"][data-parent=\"" + parent + "\"]";
makeArray(SelectorEngine.find(selector, parent)).forEach(function (element) {
var selected = getElementFromSelector(element);
_this3._addAriaAndCollapsedClass(selected, [element]);
});
return parent;
};
_proto._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) {
if (element) {
var isOpen = element.classList.contains(ClassName.SHOW);
if (triggerArray.length) {
triggerArray.forEach(function (elem) {
if (isOpen) {
elem.classList.remove(ClassName.COLLAPSED);
} else {
elem.classList.add(ClassName.COLLAPSED);
}
elem.setAttribute('aria-expanded', isOpen);
});
}
}
} // Static
;
Collapse.collapseInterface = function collapseInterface(element, config) {
var data = Data.getData(element, DATA_KEY);
var _config = _objectSpread2({}, Default, {}, Manipulator.getDataAttributes(element), {}, typeof config === 'object' && config ? config : {});
if (!data && _config.toggle && /show|hide/.test(config)) {
_config.toggle = false;
}
if (!data) {
data = new Collapse(element, _config);
}
if (typeof config === 'string') {
if (typeof data[config] === 'undefined') {
throw new TypeError("No method named \"" + config + "\"");
}
data[config]();
}
};
Collapse.jQueryInterface = function jQueryInterface(config) {
return this.each(function () {
Collapse.collapseInterface(this, config);
});
};
Collapse.getInstance = function getInstance(element) {
return Data.getData(element, DATA_KEY);
};
_createClass(Collapse, null, [{
key: "VERSION",
get: function get() {
return VERSION;
}
}, {
key: "Default",
get: function get() {
return Default;
}
}]);
return Collapse;
}();
/**
* ------------------------------------------------------------------------
* Data Api implementation
* ------------------------------------------------------------------------
*/
EventHandler.on(document, Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
// preventDefault only for <a> elements (which change the URL) not inside the collapsible element
if (event.target.tagName === 'A') {
event.preventDefault();
}
var triggerData = Manipulator.getDataAttributes(this);
var selector = getSelectorFromElement(this);
var selectorElements = makeArray(SelectorEngine.find(selector));
selectorElements.forEach(function (element) {
var data = Data.getData(element, DATA_KEY);
var config;
if (data) {
// update parent attribute
if (data._parent === null && typeof triggerData.parent === 'string') {
data._config.parent = triggerData.parent;
data._parent = data._getParent();
}
config = 'toggle';
} else {
config = triggerData;
}
Collapse.collapseInterface(element, config);
});
});
var $ = getjQuery();
/**
* ------------------------------------------------------------------------
* jQuery
* ------------------------------------------------------------------------
* add .collapse to jQuery only if jQuery is present
*/
/* istanbul ignore if */
if ($) {
var JQUERY_NO_CONFLICT = $.fn[NAME];
$.fn[NAME] = Collapse.jQueryInterface;
$.fn[NAME].Constructor = Collapse;
$.fn[NAME].noConflict = function () {
$.fn[NAME] = JQUERY_NO_CONFLICT;
return Collapse.jQueryInterface;
};
}
return Collapse;
})));
//# sourceMappingURL=collapse.js.map