in sketch2code/Sketch2Code.Web/Scripts/bootstrap.bundle.js [4013:4370]
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 || $$$1(this._element).hasClass(ClassName.DISABLED)) {
return;
}
var parent = Dropdown._getParentFromElement(this._element);
var isActive = $$$1(this._menu).hasClass(ClassName.SHOW);
Dropdown._clearMenus();
if (isActive) {
return;
}
var relatedTarget = {
relatedTarget: this._element
};
var showEvent = $$$1.Event(Event.SHOW, relatedTarget);
$$$1(parent).trigger(showEvent);
if (showEvent.isDefaultPrevented()) {
return;
} // Disable totally Popper.js for Dropdown in Navbar
if (!this._inNavbar) {
/**
* Check for Popper dependency
* Popper - https://popper.js.org
*/
if (typeof Popper === 'undefined') {
throw new TypeError('Bootstrap dropdown 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') {
$$$1(parent).addClass(ClassName.POSITION_STATIC);
}
this._popper = new Popper(referenceElement, this._menu, this._getPopperConfig());
} // If this is a touch-enabled device we add extra
// empty mouseover listeners to the body's immediate children;
// only needed because of broken event delegation on iOS
// https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
if ('ontouchstart' in document.documentElement && $$$1(parent).closest(Selector.NAVBAR_NAV).length === 0) {
$$$1(document.body).children().on('mouseover', null, $$$1.noop);
}
this._element.focus();
this._element.setAttribute('aria-expanded', true);
$$$1(this._menu).toggleClass(ClassName.SHOW);
$$$1(parent).toggleClass(ClassName.SHOW).trigger($$$1.Event(Event.SHOWN, relatedTarget));
};
_proto.dispose = function dispose() {
$$$1.removeData(this._element, DATA_KEY);
$$$1(this._element).off(EVENT_KEY);
this._element = null;
this._menu = null;
if (this._popper !== null) {
this._popper.destroy();
this._popper = null;
}
};
_proto.update = function update() {
this._inNavbar = this._detectNavbar();
if (this._popper !== null) {
this._popper.scheduleUpdate();
}
}; // Private
_proto._addEventListeners = function _addEventListeners() {
var _this = this;
$$$1(this._element).on(Event.CLICK, function (event) {
event.preventDefault();
event.stopPropagation();
_this.toggle();
});
};
_proto._getConfig = function _getConfig(config) {
config = _objectSpread({}, this.constructor.Default, $$$1(this._element).data(), config);
Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
return config;
};
_proto._getMenuElement = function _getMenuElement() {
if (!this._menu) {
var parent = Dropdown._getParentFromElement(this._element);
this._menu = $$$1(parent).find(Selector.MENU)[0];
}
return this._menu;
};
_proto._getPlacement = function _getPlacement() {
var $parentDropdown = $$$1(this._element).parent();
var placement = AttachmentMap.BOTTOM; // Handle dropup
if ($parentDropdown.hasClass(ClassName.DROPUP)) {
placement = AttachmentMap.TOP;
if ($$$1(this._menu).hasClass(ClassName.MENURIGHT)) {
placement = AttachmentMap.TOPEND;
}
} else if ($parentDropdown.hasClass(ClassName.DROPRIGHT)) {
placement = AttachmentMap.RIGHT;
} else if ($parentDropdown.hasClass(ClassName.DROPLEFT)) {
placement = AttachmentMap.LEFT;
} else if ($$$1(this._menu).hasClass(ClassName.MENURIGHT)) {
placement = AttachmentMap.BOTTOMEND;
}
return placement;
};
_proto._detectNavbar = function _detectNavbar() {
return $$$1(this._element).closest('.navbar').length > 0;
};
_proto._getPopperConfig = function _getPopperConfig() {
var _this2 = this;
var offsetConf = {};
if (typeof this._config.offset === 'function') {
offsetConf.fn = function (data) {
data.offsets = _objectSpread({}, data.offsets, _this2._config.offset(data.offsets) || {});
return data;
};
} else {
offsetConf.offset = this._config.offset;
}
var popperConfig = {
placement: this._getPlacement(),
modifiers: {
offset: offsetConf,
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 popperConfig;
}; // Static
Dropdown._jQueryInterface = function _jQueryInterface(config) {
return this.each(function () {
var data = $$$1(this).data(DATA_KEY);
var _config = typeof config === 'object' ? config : null;
if (!data) {
data = new Dropdown(this, _config);
$$$1(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 = $$$1.makeArray($$$1(Selector.DATA_TOGGLE));
for (var i = 0; i < toggles.length; i++) {
var parent = Dropdown._getParentFromElement(toggles[i]);
var context = $$$1(toggles[i]).data(DATA_KEY);
var relatedTarget = {
relatedTarget: toggles[i]
};
if (!context) {
continue;
}
var dropdownMenu = context._menu;
if (!$$$1(parent).hasClass(ClassName.SHOW)) {
continue;
}
if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $$$1.contains(parent, event.target)) {
continue;
}
var hideEvent = $$$1.Event(Event.HIDE, relatedTarget);
$$$1(parent).trigger(hideEvent);
if (hideEvent.isDefaultPrevented()) {
continue;
} // If this is a touch-enabled device we remove the extra
// empty mouseover listeners we added for iOS support
if ('ontouchstart' in document.documentElement) {
$$$1(document.body).children().off('mouseover', null, $$$1.noop);
}
toggles[i].setAttribute('aria-expanded', 'false');
$$$1(dropdownMenu).removeClass(ClassName.SHOW);
$$$1(parent).removeClass(ClassName.SHOW).trigger($$$1.Event(Event.HIDDEN, relatedTarget));
}
};
Dropdown._getParentFromElement = function _getParentFromElement(element) {
var parent;
var selector = Util.getSelectorFromElement(element);
if (selector) {
parent = $$$1(selector)[0];
}
return parent || element.parentNode;
}; // eslint-disable-next-line complexity
Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) {
// If not input/textarea:
// - And not a key in REGEXP_KEYDOWN => not a dropdown command
// If input/textarea:
// - If space key => not a dropdown command
// - If key is other than escape
// - If key is not up or down => not a dropdown command
// - If trigger inside the menu => not a dropdown command
if (/input|textarea/i.test(event.target.tagName) ? event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE && (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE || $$$1(event.target).closest(Selector.MENU).length) : !REGEXP_KEYDOWN.test(event.which)) {
return;
}
event.preventDefault();
event.stopPropagation();
if (this.disabled || $$$1(this).hasClass(ClassName.DISABLED)) {
return;
}
var parent = Dropdown._getParentFromElement(this);
var isActive = $$$1(parent).hasClass(ClassName.SHOW);
if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {
if (event.which === ESCAPE_KEYCODE) {
var toggle = $$$1(parent).find(Selector.DATA_TOGGLE)[0];
$$$1(toggle).trigger('focus');
}
$$$1(this).trigger('click');
return;
}
var items = $$$1(parent).find(Selector.VISIBLE_ITEMS).get();
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;
}();