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* Copyright 2020 Adobe. All rights reserved.
* This file is licensed to you under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. You may obtain a copy
* of the License at http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under
* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
* OF ANY KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
import { Accessor, JSX, createEffect, createSignal, mergeProps } from "solid-js";
import { createFocusManager } from "../../internals/react-aria/focus";
import type { AriaToolbar, AriaToolbarWithRef, ToolbarArguments, ToolbarDefaultArguments } from "./types";
const defaultProps: ToolbarDefaultArguments = {
orientation: "horizontal"
};
export function createToolbar<T extends HTMLElement>(props: ToolbarArguments, ref: Accessor<T | null>): AriaToolbar<T>;
export function createToolbar<T extends HTMLElement>(props?: ToolbarArguments): AriaToolbarWithRef<T>;
/**
* Creates a Toolbar bindings according to the WAI-ARIA specification.
*
* @link https://www.w3.org/WAI/ARIA/apg/patterns/toolbar
*/
export function createToolbar<T extends HTMLElement>(props?: ToolbarArguments, ref?: Accessor<T | null>): unknown {
// Record the last focused child when focus moves out of the toolbar.
let lastFocused: HTMLElement | null = null;
let directiveRef: T | null = null;
const getRef = () => {
if (ref) {
return ref();
}
return directiveRef;
};
const local = mergeProps(defaultProps, props);
const [isInToolbar, setInToolbar] = createSignal(false);
const focusManager = createFocusManager(getRef);
createEffect(() => {
const element = getRef();
setInToolbar(!!(element && element.parentElement?.closest('[role="toolbar"]')));
});
const toolbarRef = (node: T) => {
directiveRef = node;
};
const onKeyDown: JSX.EventHandlerUnion<HTMLElement, KeyboardEvent> = (e) => {
// don't handle portalled events
if (!e.currentTarget.contains(e.target as HTMLElement)) {
return;
}
if (
(local.orientation === "horizontal" && e.key === "ArrowRight") ||
(local.orientation === "vertical" && e.key === "ArrowDown")
) {
focusManager.focusNext();
} else if (
(local.orientation === "horizontal" && e.key === "ArrowLeft") ||
(local.orientation === "vertical" && e.key === "ArrowUp")
) {
focusManager.focusPrevious();
} else if (e.key === "Home") {
focusManager.focusFirst();
} else if (e.key === "End") {
focusManager.focusLast();
} else if (e.key === "Tab") {
// When the tab key is pressed, we want to move focus
// out of the entire toolbar. To do this, move focus
// to the first or last focusable child, and let the
// browser handle the Tab key as usual from there.
e.stopPropagation();
lastFocused = document.activeElement as HTMLElement;
if (e.shiftKey) {
focusManager.focusFirst();
} else {
focusManager.focusLast();
}
return;
} else {
// if we didn't handle anything, return early so we don't preventDefault
return;
}
// Prevent arrow keys from being handled by nested action groups.
e.stopPropagation();
e.preventDefault();
};
const onBlur: JSX.FocusEventHandler<T, FocusEvent> = (e) => {
if (!e.currentTarget.contains(e.relatedTarget as HTMLElement) && !lastFocused) {
lastFocused = e.target as HTMLElement;
}
};
// Restore focus to the last focused child when focus returns into the toolbar.
// If the element was removed, do nothing, either the first item in the first group,
// or the last item in the last group will be focused, depending on direction.
const onFocus: JSX.FocusEventHandler<T, FocusEvent> = (e) => {
const element = getRef();
if (lastFocused && !e.currentTarget.contains(e.relatedTarget as HTMLElement) && element?.contains(e.target)) {
lastFocused?.focus();
lastFocused = null;
}
};
const toolbarProps: JSX.HTMLAttributes<T> = {
get "aria-label"() {
return local["aria-label"];
},
get "aria-labelledby"() {
return local["aria-label"] == null ? local["aria-labelledby"] : undefined;
},
get role() {
return !isInToolbar() ? "toolbar" : "group";
},
get "aria-orientation"() {
return local.orientation;
},
get onKeyDown() {
return !isInToolbar() ? onKeyDown : undefined;
},
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
get "oncapture:focus"() {
return !isInToolbar() ? onFocus : undefined;
},
get "oncapture:blur"() {
return !isInToolbar() ? onBlur : undefined;
}
};
if (!ref) {
return {
toolbarProps,
toolbarRef
};
}
return {
toolbarProps
};
}
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