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Bootstrap/js/dist/collapse.js

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'use strict';
var _createClass = (function () { 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); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
/**
* --------------------------------------------------------------------------
* Bootstrap (v4.0.0-alpha.2): collapse.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
var Collapse = (function ($) {
/**
* ------------------------------------------------------------------------
* Constants
* ------------------------------------------------------------------------
*/
var NAME = 'collapse';
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var VERSION = '4.0.0-alpha.2';
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var DATA_KEY = 'bs.collapse';
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var EVENT_KEY = '.' + DATA_KEY;
var DATA_API_KEY = '.data-api';
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var JQUERY_NO_CONFLICT = $.fn[NAME];
var TRANSITION_DURATION = 600;
var Default = {
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toggle: true,
parent: ''
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};
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var DefaultType = {
toggle: 'boolean',
parent: 'string'
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};
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var Event = {
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SHOW: 'show' + EVENT_KEY,
SHOWN: 'shown' + EVENT_KEY,
HIDE: 'hide' + EVENT_KEY,
HIDDEN: 'hidden' + EVENT_KEY,
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CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY
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};
var ClassName = {
IN: 'in',
COLLAPSE: 'collapse',
COLLAPSING: 'collapsing',
COLLAPSED: 'collapsed'
};
var Dimension = {
WIDTH: 'width',
HEIGHT: 'height'
};
var Selector = {
ACTIVES: '.panel > .in, .panel > .collapsing',
DATA_TOGGLE: '[data-toggle="collapse"]'
};
/**
* ------------------------------------------------------------------------
* Class Definition
* ------------------------------------------------------------------------
*/
var Collapse = (function () {
function Collapse(element, config) {
_classCallCheck(this, Collapse);
this._isTransitioning = false;
this._element = element;
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this._config = this._getConfig(config);
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this._triggerArray = $.makeArray($('[data-toggle="collapse"][href="#' + element.id + '"],' + ('[data-toggle="collapse"][data-target="#' + element.id + '"]')));
this._parent = this._config.parent ? this._getParent() : null;
if (!this._config.parent) {
this._addAriaAndCollapsedClass(this._element, this._triggerArray);
}
if (this._config.toggle) {
this.toggle();
}
}
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/**
* ------------------------------------------------------------------------
* Data Api implementation
* ------------------------------------------------------------------------
*/
// getters
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_createClass(Collapse, [{
key: 'toggle',
// public
value: function toggle() {
if ($(this._element).hasClass(ClassName.IN)) {
this.hide();
} else {
this.show();
}
}
}, {
key: 'show',
value: function show() {
var _this = this;
if (this._isTransitioning || $(this._element).hasClass(ClassName.IN)) {
return;
}
var actives = undefined;
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var activesData = undefined;
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if (this._parent) {
actives = $.makeArray($(Selector.ACTIVES));
if (!actives.length) {
actives = null;
}
}
if (actives) {
activesData = $(actives).data(DATA_KEY);
if (activesData && activesData._isTransitioning) {
return;
}
}
var startEvent = $.Event(Event.SHOW);
$(this._element).trigger(startEvent);
if (startEvent.isDefaultPrevented()) {
return;
}
if (actives) {
Collapse._jQueryInterface.call($(actives), 'hide');
if (!activesData) {
$(actives).data(DATA_KEY, null);
}
}
var dimension = this._getDimension();
$(this._element).removeClass(ClassName.COLLAPSE).addClass(ClassName.COLLAPSING);
this._element.style[dimension] = 0;
this._element.setAttribute('aria-expanded', true);
if (this._triggerArray.length) {
$(this._triggerArray).removeClass(ClassName.COLLAPSED).attr('aria-expanded', true);
}
this.setTransitioning(true);
var complete = function complete() {
$(_this._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.IN);
_this._element.style[dimension] = '';
_this.setTransitioning(false);
$(_this._element).trigger(Event.SHOWN);
};
if (!Util.supportsTransitionEnd()) {
complete();
return;
}
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var capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1);
var scrollSize = 'scroll' + capitalizedDimension;
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$(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
this._element.style[dimension] = this._element[scrollSize] + 'px';
}
}, {
key: 'hide',
value: function hide() {
var _this2 = this;
if (this._isTransitioning || !$(this._element).hasClass(ClassName.IN)) {
return;
}
var startEvent = $.Event(Event.HIDE);
$(this._element).trigger(startEvent);
if (startEvent.isDefaultPrevented()) {
return;
}
var dimension = this._getDimension();
var offsetDimension = dimension === Dimension.WIDTH ? 'offsetWidth' : 'offsetHeight';
this._element.style[dimension] = this._element[offsetDimension] + 'px';
Util.reflow(this._element);
$(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.IN);
this._element.setAttribute('aria-expanded', false);
if (this._triggerArray.length) {
$(this._triggerArray).addClass(ClassName.COLLAPSED).attr('aria-expanded', false);
}
this.setTransitioning(true);
var complete = function complete() {
_this2.setTransitioning(false);
$(_this2._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).trigger(Event.HIDDEN);
};
this._element.style[dimension] = 0;
if (!Util.supportsTransitionEnd()) {
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complete();
return;
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}
$(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
}
}, {
key: 'setTransitioning',
value: function setTransitioning(isTransitioning) {
this._isTransitioning = isTransitioning;
}
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}, {
key: 'dispose',
value: function dispose() {
$.removeData(this._element, DATA_KEY);
this._config = null;
this._parent = null;
this._element = null;
this._triggerArray = null;
this._isTransitioning = null;
}
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// private
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}, {
key: '_getConfig',
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value: function _getConfig(config) {
config = $.extend({}, Default, config);
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config.toggle = Boolean(config.toggle); // coerce string values
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Util.typeCheckConfig(NAME, config, DefaultType);
return config;
}
}, {
key: '_getDimension',
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value: function _getDimension() {
var hasWidth = $(this._element).hasClass(Dimension.WIDTH);
return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT;
}
}, {
key: '_getParent',
value: function _getParent() {
var _this3 = this;
var parent = $(this._config.parent)[0];
var selector = '[data-toggle="collapse"][data-parent="' + this._config.parent + '"]';
$(parent).find(selector).each(function (i, element) {
_this3._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]);
});
return parent;
}
}, {
key: '_addAriaAndCollapsedClass',
value: function _addAriaAndCollapsedClass(element, triggerArray) {
if (element) {
var isOpen = $(element).hasClass(ClassName.IN);
element.setAttribute('aria-expanded', isOpen);
if (triggerArray.length) {
$(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen);
}
}
}
// static
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}], [{
key: '_getTargetFromElement',
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value: function _getTargetFromElement(element) {
var selector = Util.getSelectorFromElement(element);
return selector ? $(selector)[0] : null;
}
}, {
key: '_jQueryInterface',
value: function _jQueryInterface(config) {
return this.each(function () {
var $this = $(this);
var data = $this.data(DATA_KEY);
var _config = $.extend({}, Default, $this.data(), typeof config === 'object' && config);
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if (!data && _config.toggle && /show|hide/.test(config)) {
_config.toggle = false;
}
if (!data) {
data = new Collapse(this, _config);
$this.data(DATA_KEY, data);
}
if (typeof config === 'string') {
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if (data[config] === undefined) {
throw new Error('No method named "' + config + '"');
}
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data[config]();
}
});
}
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}, {
key: 'VERSION',
get: function get() {
return VERSION;
}
}, {
key: 'Default',
get: function get() {
return Default;
}
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}]);
return Collapse;
})();
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$(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
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event.preventDefault();
var target = Collapse._getTargetFromElement(this);
var data = $(target).data(DATA_KEY);
var config = data ? 'toggle' : $(this).data();
Collapse._jQueryInterface.call($(target), config);
});
/**
* ------------------------------------------------------------------------
* jQuery
* ------------------------------------------------------------------------
*/
$.fn[NAME] = Collapse._jQueryInterface;
$.fn[NAME].Constructor = Collapse;
$.fn[NAME].noConflict = function () {
$.fn[NAME] = JQUERY_NO_CONFLICT;
return Collapse._jQueryInterface;
};
return Collapse;
})(jQuery);
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//# sourceMappingURL=collapse.js.map