carbon-components
Version:
Carbon Components is a component library for IBM Cloud
220 lines (186 loc) • 9.13 kB
JavaScript
(function (global, factory) {
if (typeof define === "function" && define.amd) {
define(['exports', '../../globals/js/settings', '../../globals/js/misc/mixin', '../../globals/js/mixins/create-component', '../../globals/js/mixins/init-component-by-search', '../../globals/js/mixins/evented-show-hide-state', '../../globals/js/mixins/handles', '../floating-menu/floating-menu', '../../globals/js/misc/get-launching-details', '../../globals/js/misc/on'], factory);
} else if (typeof exports !== "undefined") {
factory(exports, require('../../globals/js/settings'), require('../../globals/js/misc/mixin'), require('../../globals/js/mixins/create-component'), require('../../globals/js/mixins/init-component-by-search'), require('../../globals/js/mixins/evented-show-hide-state'), require('../../globals/js/mixins/handles'), require('../floating-menu/floating-menu'), require('../../globals/js/misc/get-launching-details'), require('../../globals/js/misc/on'));
} else {
var mod = {
exports: {}
};
factory(mod.exports, global.settings, global.mixin, global.createComponent, global.initComponentBySearch, global.eventedShowHideState, global.handles, global.floatingMenu, global.getLaunchingDetails, global.on);
global.overflowMenu = mod.exports;
}
})(this, function (exports, _settings, _mixin2, _createComponent, _initComponentBySearch, _eventedShowHideState, _handles, _floatingMenu, _getLaunchingDetails, _on) {
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _settings2 = _interopRequireDefault(_settings);
var _mixin3 = _interopRequireDefault(_mixin2);
var _createComponent2 = _interopRequireDefault(_createComponent);
var _initComponentBySearch2 = _interopRequireDefault(_initComponentBySearch);
var _eventedShowHideState2 = _interopRequireDefault(_eventedShowHideState);
var _handles2 = _interopRequireDefault(_handles);
var _floatingMenu2 = _interopRequireDefault(_floatingMenu);
var _getLaunchingDetails2 = _interopRequireDefault(_getLaunchingDetails);
var _on2 = _interopRequireDefault(_on);
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
}
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 _possibleConstructorReturn(self, call) {
if (!self) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return call && (typeof call === "object" || typeof call === "function") ? call : self;
}
function _inherits(subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
enumerable: false,
writable: true,
configurable: true
}
});
if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
}
var OverflowMenu = function (_mixin) {
_inherits(OverflowMenu, _mixin);
/**
* Overflow menu.
* @extends CreateComponent
* @extends InitComponentBySearch
* @extends Handles
* @param {HTMLElement} element The element working as a modal dialog.
* @param {Object} [options] The component options.
* @param {string} [options.selectorOptionMenu] The CSS selector to find the menu.
* @param {string} [options.classShown] The CSS class for the shown state, for the trigger UI.
* @param {string} [options.classMenuShown] The CSS class for the shown state, for the menu.
* @param {string} [options.classMenuFlip] The CSS class for the flipped state of the menu.
* @param {Object} [options.objMenuOffset] The offset locating the menu for the non-flipped state.
* @param {Object} [options.objMenuOffsetFlip] The offset locating the menu for the flipped state.
*/
function OverflowMenu(element, options) {
_classCallCheck(this, OverflowMenu);
var _this = _possibleConstructorReturn(this, (OverflowMenu.__proto__ || Object.getPrototypeOf(OverflowMenu)).call(this, element, options));
_this.manage((0, _on2.default)(_this.element.ownerDocument, 'click', function (event) {
_this._handleDocumentClick(event);
_this.wasOpenBeforeClick = undefined;
}));
_this.manage((0, _on2.default)(_this.element.ownerDocument, 'keypress', function (event) {
_this._handleKeyPress(event);
}));
_this.manage((0, _on2.default)(_this.element, 'mousedown', function () {
_this.wasOpenBeforeClick = element.classList.contains(_this.options.classShown);
}));
return _this;
}
/**
* Changes the shown/hidden state.
* @param {string} state The new state.
* @param {Object} detail The detail of the event trigging this action.
* @param {Function} callback Callback called when change in state completes.
*/
_createClass(OverflowMenu, [{
key: 'changeState',
value: function changeState(state, detail, callback) {
if (!this.optionMenu) {
var optionMenu = this.element.querySelector(this.options.selectorOptionMenu);
if (!optionMenu) {
throw new Error('Cannot find the target menu.');
}
// Lazily create a component instance for menu
this.optionMenu = _floatingMenu2.default.create(optionMenu, {
refNode: this.element,
classShown: this.options.classMenuShown,
classRefShown: this.options.classShown,
offset: this.options.objMenuOffset
});
this.children.push(this.optionMenu);
}
if (this.optionMenu.element.classList.contains(this.options.classMenuFlip)) {
this.optionMenu.options.offset = this.options.objMenuOffsetFlip;
}
// Delegates the action of changing state to the menu.
// (And thus the before/after shown/hidden events are fired from the menu)
this.optionMenu.changeState(state, Object.assign(detail, { delegatorNode: this.element }), callback);
}
}, {
key: '_handleDocumentClick',
value: function _handleDocumentClick(event) {
var element = this.element;
var isOfSelf = element.contains(event.target);
var shouldBeOpen = isOfSelf && !this.wasOpenBeforeClick;
var state = shouldBeOpen ? 'shown' : 'hidden';
if (isOfSelf) {
if (element.tagName === 'A') {
event.preventDefault();
}
event.delegateTarget = element; // eslint-disable-line no-param-reassign
}
this.changeState(state, (0, _getLaunchingDetails2.default)(event));
}
}, {
key: '_handleKeyPress',
value: function _handleKeyPress(event) {
var key = event.which;
if (key === 13) {
var element = this.element;
var isOfSelf = element.contains(event.target);
var shouldBeOpen = isOfSelf && !element.classList.contains(this.options.classShown);
var state = shouldBeOpen ? 'shown' : 'hidden';
if (isOfSelf) {
if (element.tagName === 'A') {
event.preventDefault();
}
event.delegateTarget = element; // eslint-disable-line no-param-reassign
}
this.changeState(state, (0, _getLaunchingDetails2.default)(event));
}
}
}], [{
key: 'options',
get: function get() {
var prefix = _settings2.default.prefix;
return {
selectorInit: '[data-overflow-menu]',
selectorOptionMenu: '.' + prefix + '--overflow-menu-options',
classShown: prefix + '--overflow-menu--open',
classMenuShown: prefix + '--overflow-menu-options--open',
classMenuFlip: prefix + '--overflow-menu--flip',
objMenuOffset: { top: 3, left: 61 },
objMenuOffsetFlip: { top: 3, left: -61 }
};
}
}]);
return OverflowMenu;
}((0, _mixin3.default)(_createComponent2.default, _initComponentBySearch2.default, _eventedShowHideState2.default, _handles2.default));
OverflowMenu.components = new WeakMap();
exports.default = OverflowMenu;
});