@esri/calcite-components
Version:
Web Components for Esri's Calcite Design System.
256 lines (251 loc) • 10.2 kB
JavaScript
/*!
* All material copyright ESRI, All Rights Reserved, unless otherwise specified.
* See https://github.com/Esri/calcite-components/blob/master/LICENSE.md for details.
* v1.5.0-next.4
*/
import { proxyCustomElement, HTMLElement, h, Host } from '@stencil/core/internal/client';
import { s as slotChangeGetAssignedElements, i as focusElementInGroup, k as focusElement } from './dom.js';
import { a as setUpLoadableComponent, s as setComponentLoaded, c as componentLoaded } from './loadable.js';
import { c as connectLocalized, d as disconnectLocalized } from './locale.js';
import { u as updateMessages, c as connectMessages, s as setUpMessages, d as disconnectMessages } from './t9n.js';
import { c as createObserver } from './observers.js';
const allowedGlobalAttributes = ["lang", "role"];
const elementToComponentAndObserverOptionsMap = new Map();
let mutationObserver;
function updateGlobalAttributes(component, attributeFilter, reuseAttributes = false) {
const { el } = component;
const updatedAttributes = reuseAttributes ? component.globalAttributes : {};
attributeFilter
.filter((attr) => !!allowedGlobalAttributes.includes(attr) && !!el.hasAttribute(attr))
.forEach((attr) => {
const value = el.getAttribute(attr);
if (value !== null) {
updatedAttributes[attr] = value;
}
});
component.globalAttributes = updatedAttributes;
}
function processMutations(mutations) {
mutations.forEach(({ target }) => {
const [component, options] = elementToComponentAndObserverOptionsMap.get(target);
updateGlobalAttributes(component, options.attributeFilter);
});
}
/**
* Helper to set up listening for changes to global attributes.
*
* render(): VNode {
* return (<Host>
* <ul {...this.globalAttributes}></div>
* </Host>);
* }
*
* @param component
* @param attributeFilter
*/
function watchGlobalAttributes(component, attributeFilter) {
const { el } = component;
const observerOptions = { attributeFilter };
elementToComponentAndObserverOptionsMap.set(el, [component, observerOptions]);
updateGlobalAttributes(component, attributeFilter, true);
if (!mutationObserver) {
mutationObserver = createObserver("mutation", processMutations);
}
mutationObserver.observe(el, observerOptions);
}
/**
* Helper remove listening for changes to inherited attributes.
*
* @param component
*/
function unwatchGlobalAttributes(component) {
elementToComponentAndObserverOptionsMap.delete(component.el);
// we explicitly process queued mutations and disconnect and reconnect
// the observer until MutationObserver gets an `unobserve` method
// see https://github.com/whatwg/dom/issues/126
processMutations(mutationObserver.takeRecords());
mutationObserver.disconnect();
for (const [element, [, observerOptions]] of elementToComponentAndObserverOptionsMap.entries()) {
mutationObserver.observe(element, observerOptions);
}
}
const menuCss = "@keyframes in{0%{opacity:0}100%{opacity:1}}@keyframes in-down{0%{opacity:0;transform:translate3D(0, -5px, 0)}100%{opacity:1;transform:translate3D(0, 0, 0)}}@keyframes in-up{0%{opacity:0;transform:translate3D(0, 5px, 0)}100%{opacity:1;transform:translate3D(0, 0, 0)}}@keyframes in-right{0%{opacity:0;transform:translate3D(-5px, 0, 0)}100%{opacity:1;transform:translate3D(0, 0, 0)}}@keyframes in-left{0%{opacity:0;transform:translate3D(5px, 0, 0)}100%{opacity:1;transform:translate3D(0, 0, 0)}}@keyframes in-scale{0%{opacity:0;transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;transform:scale3D(1, 1, 1)}}:root{--calcite-animation-timing:calc(150ms * var(--calcite-internal-duration-factor));--calcite-internal-duration-factor:var(--calcite-duration-factor, 1);--calcite-internal-animation-timing-fast:calc(100ms * var(--calcite-internal-duration-factor));--calcite-internal-animation-timing-medium:calc(200ms * var(--calcite-internal-duration-factor));--calcite-internal-animation-timing-slow:calc(300ms * var(--calcite-internal-duration-factor))}.calcite-animate{opacity:0;animation-fill-mode:both;animation-duration:var(--calcite-animation-timing)}.calcite-animate__in{animation-name:in}.calcite-animate__in-down{animation-name:in-down}.calcite-animate__in-up{animation-name:in-up}.calcite-animate__in-right{animation-name:in-right}.calcite-animate__in-left{animation-name:in-left}.calcite-animate__in-scale{animation-name:in-scale}@media (prefers-reduced-motion: reduce){:root{--calcite-internal-duration-factor:0.01}}:root{--calcite-floating-ui-transition:var(--calcite-animation-timing);--calcite-floating-ui-z-index:var(--calcite-app-z-index-dropdown)}:host([hidden]){display:none}:host{display:flex}ul{margin:0px;display:inline-flex;block-size:100%;align-items:center;padding:0px}:host([layout=vertical]) ul{display:flex;inline-size:100%;flex-direction:column}";
const CalciteMenu = /*@__PURE__*/ proxyCustomElement(class extends HTMLElement {
constructor() {
super();
this.__registerHost();
this.__attachShadow();
this.menuItems = [];
//--------------------------------------------------------------------------
//
// Private Methods
//
//--------------------------------------------------------------------------
this.handleMenuSlotChange = (event) => {
this.menuItems = slotChangeGetAssignedElements(event);
this.setMenuItemLayout(this.menuItems, this.layout);
};
this.label = undefined;
this.layout = "horizontal";
this.messageOverrides = undefined;
this.messages = undefined;
this.defaultMessages = undefined;
this.effectiveLocale = "";
this.globalAttributes = {
role: "menubar"
};
}
handleLayoutChange(value) {
this.setMenuItemLayout(this.menuItems, value);
}
onMessagesChange() {
/* wired up by t9n util */
}
effectiveLocaleChange() {
updateMessages(this, this.effectiveLocale);
}
//--------------------------------------------------------------------------
//
// Lifecycle
//
//--------------------------------------------------------------------------
connectedCallback() {
connectLocalized(this);
connectMessages(this);
watchGlobalAttributes(this, ["role"]);
}
async componentWillLoad() {
setUpLoadableComponent(this);
await setUpMessages(this);
}
componentDidLoad() {
setComponentLoaded(this);
}
disconnectedCallback() {
disconnectLocalized(this);
disconnectMessages(this);
unwatchGlobalAttributes(this);
}
//--------------------------------------------------------------------------
//
// Public Methods
//
//--------------------------------------------------------------------------
/** Sets focus on the component's first focusable element. */
async setFocus() {
await componentLoaded(this);
this.el.focus();
}
//--------------------------------------------------------------------------
//
// Event Listeners
//
//--------------------------------------------------------------------------
calciteInternalNavMenuItemKeyEvent(event) {
const target = event.target;
const submenuItems = event.detail.children;
const key = event.detail.event.key;
event.stopPropagation();
if (key === "ArrowDown") {
if (target.layout === "vertical") {
focusElementInGroup(this.menuItems, target, "next", false);
}
else {
if (event.detail.isSubmenuOpen) {
submenuItems[0].setFocus();
}
}
}
else if (key === "ArrowUp") {
if (this.layout === "vertical") {
focusElementInGroup(this.menuItems, target, "previous", false);
}
else {
if (event.detail.isSubmenuOpen) {
submenuItems[submenuItems.length - 1].setFocus();
}
}
}
else if (key === "ArrowRight") {
if (this.layout === "horizontal") {
focusElementInGroup(this.menuItems, target, "next", false);
}
else {
if (event.detail.isSubmenuOpen) {
submenuItems[0].setFocus();
}
}
}
else if (key === "ArrowLeft") {
if (this.layout === "horizontal") {
focusElementInGroup(this.menuItems, target, "previous", false);
}
else {
if (event.detail.isSubmenuOpen) {
this.focusParentElement(event.target);
}
}
}
else if (key === "Escape") {
this.focusParentElement(event.target);
}
event.preventDefault();
}
focusParentElement(el) {
const parentEl = el.parentElement;
if (parentEl) {
focusElement(parentEl);
parentEl.open = false;
}
}
setMenuItemLayout(items, layout) {
items.forEach((item) => {
item.layout = layout;
if (this.globalAttributes.role === "menubar") {
item.isTopLevelItem = true;
item.topLevelMenuLayout = this.layout;
}
});
}
// --------------------------------------------------------------------------
//
// Render Methods
//
// --------------------------------------------------------------------------
render() {
return (h(Host, null, h("ul", { "aria-label": this.label, ...this.globalAttributes }, h("slot", { onSlotchange: this.handleMenuSlotChange }))));
}
static get delegatesFocus() { return true; }
static get assetsDirs() { return ["assets"]; }
get el() { return this; }
static get watchers() { return {
"layout": ["handleLayoutChange"],
"messageOverrides": ["onMessagesChange"],
"effectiveLocale": ["effectiveLocaleChange"]
}; }
static get style() { return menuCss; }
}, [17, "calcite-menu", {
"label": [1],
"layout": [513],
"messageOverrides": [1040],
"messages": [1040],
"defaultMessages": [32],
"effectiveLocale": [32],
"globalAttributes": [32],
"setFocus": [64]
}, [[0, "calciteInternalMenuItemKeyEvent", "calciteInternalNavMenuItemKeyEvent"]]]);
function defineCustomElement() {
if (typeof customElements === "undefined") {
return;
}
const components = ["calcite-menu"];
components.forEach(tagName => { switch (tagName) {
case "calcite-menu":
if (!customElements.get(tagName)) {
customElements.define(tagName, CalciteMenu);
}
break;
} });
}
defineCustomElement();
export { CalciteMenu as C, defineCustomElement as d };