carbon-components
Version:
Carbon Components is a component library for IBM Cloud
246 lines (210 loc) • 11.4 kB
JavaScript
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 _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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; }
import warning from 'warning';
import settings from '../../globals/js/settings';
import mixin from '../../globals/js/misc/mixin';
import createComponent from '../../globals/js/mixins/create-component';
import initComponentBySearch from '../../globals/js/mixins/init-component-by-search';
import handles from '../../globals/js/mixins/handles';
import eventMatches from '../../globals/js/misc/event-matches';
import on from '../../globals/js/misc/on';
import toggleClass from '../../globals/js/misc/svg-toggle-class';
var didWarnAboutDeprecation = false;
var InteriorLeftNav = function (_mixin) {
_inherits(InteriorLeftNav, _mixin);
/**
* Interior left nav.
* @extends CreateComponent
* @extends InitComponentBySearch
* @extends Handles
* @param {HTMLElement} element The element working as an interior left nav.
* @param {Object} options The component options.
*/
function InteriorLeftNav(element, options) {
_classCallCheck(this, InteriorLeftNav);
var _this = _possibleConstructorReturn(this, (InteriorLeftNav.__proto__ || Object.getPrototypeOf(InteriorLeftNav)).call(this, element, options));
_this.hookListItemsEvents = function () {
_this.manage(on(_this.element, 'click', function (evt) {
var leftNavItem = eventMatches(evt, _this.options.selectorLeftNavListItem);
var collapseEl = eventMatches(evt, _this.options.selectorLeftNavCollapse);
var collapsedBar = eventMatches(evt, '.' + _this.options.classLeftNavCollapsed);
if (leftNavItem) {
var childItem = eventMatches(evt, _this.options.selectorLeftNavNestedListItem);
var hasChildren = leftNavItem.classList.contains('left-nav-list__item--has-children');
if (childItem) {
_this.addActiveListItem(childItem);
} else if (hasChildren) {
_this.handleNestedListClick(leftNavItem, evt);
} else {
_this.addActiveListItem(leftNavItem);
}
}
if (collapseEl || collapsedBar) {
evt.preventDefault();
_this.toggleLeftNav();
}
}));
_this.manage(on(_this.element, 'keydown', function (evt) {
var leftNavItemWithChildren = eventMatches(evt, _this.options.selectorLeftNavListItemHasChildren);
var leftNavItem = eventMatches(evt, _this.options.selectorLeftNavListItem);
if (leftNavItemWithChildren && evt.which === 13) {
_this.handleNestedListClick(leftNavItemWithChildren, evt);
} else if (leftNavItem && evt.which === 13) {
_this.addActiveListItem(leftNavItem);
}
}));
};
_this.toggleLeftNav = function () {
var collapsed = _this.element.dataset.collapsed === 'true';
var eventStart = new CustomEvent(_this.options.eventBeforeLeftNavToggled, {
bubbles: true,
cancelable: true,
detail: { collapsed: !collapsed } // shows where the toggle is going, not where it is
});
if (_this.element.dispatchEvent(eventStart)) {
var svgTitle = _this.element.querySelector(_this.options.selectorLeftNavArrowTitle);
if (!collapsed) {
_this.element.dataset.collapsed = true;
_this.element.classList.add(_this.options.classLeftNavCollapsing);
if (svgTitle) {
svgTitle.textContent = _this.options.expandTitle;
}
window.setTimeout(function () {
_this.element.classList.remove(_this.options.classLeftNavCollapsing);
_this.element.classList.add(_this.options.classLeftNavCollapsed);
_this.element.dispatchEvent(new CustomEvent(_this.options.eventAfterLeftNavToggled, {
bubbles: true,
cancelable: true,
detail: { collapsed: true }
}));
}, 250);
} else {
_this.element.dataset.collapsed = false;
_this.element.classList.remove(_this.options.classLeftNavCollapsed);
_this.element.classList.add(_this.options.classLeftNavExpanding);
if (svgTitle) {
svgTitle.textContent = _this.options.collapsePane;
}
window.setTimeout(function () {
_this.element.classList.remove(_this.options.classLeftNavExpanding);
_this.element.dispatchEvent(new CustomEvent(_this.options.eventAfterLeftNavToggled, {
bubbles: true,
cancelable: true,
detail: { collapsed: false }
}));
}, 250);
}
}
};
_this.constructor.components.set(_this.element, _this);
_this.keepOpen = _this.element.dataset.keepOpen === undefined ? _this.options.keepOpen : Boolean(_this.element.dataset.keepOpen);
_this.hookListItemsEvents();
if (process.env.NODE_ENV !== 'production') {
process.env.NODE_ENV !== 'production' ? warning(didWarnAboutDeprecation, 'Accessing the `interior-left-nav` component from the' + '`carbon-components` package is deprecated. Use the' + '`carbon-addons-bluemix` package instead.') : void 0;
didWarnAboutDeprecation = true;
}
return _this;
}
_createClass(InteriorLeftNav, [{
key: 'addActiveListItem',
value: function addActiveListItem(item) {
var _this2 = this;
[].concat(_toConsumableArray(this.element.querySelectorAll(this.options.selectorLeftNavListItem))).forEach(function (currentItem) {
if (!(item === currentItem)) {
currentItem.classList.remove(_this2.options.classActiveLeftNavListItem);
}
});
[].concat(_toConsumableArray(this.element.querySelectorAll(this.options.selectorLeftNavNestedListItem))).forEach(function (currentItem) {
if (!(item === currentItem)) {
currentItem.classList.remove(_this2.options.classActiveLeftNavListItem);
}
});
item.classList.add(this.options.classActiveLeftNavListItem);
}
/**
* Handles click on a list item that contains a nested list in the left navigation.
* The nested list is expanded and the icon is rotated.
* @param {HTMLElement} listItem The list item that was clicked.
* @param {Event} event The event triggering this method.
*/
}, {
key: 'handleNestedListClick',
value: function handleNestedListClick(listItem, evt) {
var _this3 = this;
var allNestedItems = [].concat(_toConsumableArray(this.element.querySelectorAll(this.options.selectorLeftNavListItemHasChildren)));
var isOpen = listItem.classList.contains(this.options.classExpandedLeftNavListItem);
var list = listItem.querySelector(this.options.selectorLeftNavNestedList);
var listItems = [].concat(_toConsumableArray(list.querySelectorAll(this.options.selectorLeftNavNestedListItem)));
if (!this.keepOpen) {
allNestedItems.forEach(function (currentItem) {
if (currentItem !== listItem) {
toggleClass(currentItem, _this3.options.classExpandedLeftNavListItem, false);
}
});
}
if (!('InteriorLeftNavItemLink' in evt.target.dataset)) {
toggleClass(listItem, this.options.classExpandedLeftNavListItem, !isOpen);
}
// a11y
listItems.forEach(function (item) {
if (isOpen) {
// eslint-disable-next-line no-param-reassign
item.querySelector(_this3.options.selectorLeftNavListItemLink).tabIndex = -1;
} else {
// eslint-disable-next-line no-param-reassign
item.querySelector(_this3.options.selectorLeftNavListItemLink).tabIndex = 0;
}
});
}
/**
* The map associating DOM element and spinner instance.
* @member InteriorLeftNav.components
* @type {WeakMap}
*/
}], [{
key: 'options',
/**
* The component options.
* If `options` is specified in the constructor,
* {@linkcode InteriorLeftNav.create .create()}, or {@linkcode InteriorLeftNav.init .init()},
* properties in this object are overriden for the instance being create and how {@linkcode InteriorLeftNav.init .init()} works.
* @member InteriorLeftNav.options
* @type {Object}
* @property {string} selectorInit The CSS selector to find interior left navs.
*/
get: function get() {
var prefix = settings.prefix;
return {
selectorInit: '[data-interior-left-nav]',
// Data Attribute selectors
selectorLeftNavList: '[data-interior-left-nav-list]',
selectorLeftNavNestedList: '[data-interior-left-nav-nested-list]',
selectorLeftNavListItem: '[data-interior-left-nav-item]',
selectorLeftNavListItemLink: '[data-interior-left-nav-item-link]',
selectorLeftNavNestedListItem: '[data-interior-left-nav-nested-item]',
selectorLeftNavListItemHasChildren: '[data-interior-left-nav-with-children]',
selectorLeftNavCollapse: '[data-interior-left-nav-collapse]',
selectorLeftNavArrowTitle: '[data-interior-left-nav-arrow] title',
// CSS Class Selectors
classActiveLeftNavListItem: 'left-nav-list__item--active',
classExpandedLeftNavListItem: 'left-nav-list__item--expanded',
classLeftNavCollapsing: prefix + '--interior-left-nav--collapsing',
classLeftNavCollapsed: prefix + '--interior-left-nav--collapsed',
classLeftNavExpanding: prefix + '--interior-left-nav--expanding',
// Event
eventBeforeLeftNavToggled: 'left-nav-beingtoggled',
eventAfterLeftNavToggled: 'left-nav-toggled',
// Option
expandTitle: 'Expand nav pane',
collapseTitle: 'Collapse nav pane',
keepOpen: false
};
}
}]);
return InteriorLeftNav;
}(mixin(createComponent, initComponentBySearch, handles));
InteriorLeftNav.components = new WeakMap();
export default InteriorLeftNav;