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62 lines
2.0 KiB
Plaintext
62 lines
2.0 KiB
Plaintext
/*
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* Copyright 2020 Adobe. All rights reserved.
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* This file is licensed to you under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License. You may obtain a copy
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* of the License at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under
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* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
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* OF ANY KIND, either express or implied. See the License for the specific language
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* governing permissions and limitations under the License.
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*/
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import {DOMAttributes} from '@react-types/shared';
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import {ReactNode} from 'react';
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import {useId} from '@react-aria/utils';
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export interface AriaListBoxSectionProps {
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/** The heading for the section. */
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heading?: ReactNode,
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/** An accessibility label for the section. Required if `heading` is not present. */
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'aria-label'?: string
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}
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export interface ListBoxSectionAria {
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/** Props for the wrapper list item. */
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itemProps: DOMAttributes,
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/** Props for the heading element, if any. */
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headingProps: DOMAttributes,
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/** Props for the group element. */
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groupProps: DOMAttributes
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}
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/**
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* Provides the behavior and accessibility implementation for a section in a listbox.
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* See `useListBox` for more details about listboxes.
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* @param props - Props for the section.
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*/
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export function useListBoxSection(props: AriaListBoxSectionProps): ListBoxSectionAria {
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let {heading, 'aria-label': ariaLabel} = props;
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let headingId = useId();
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return {
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itemProps: {
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role: 'presentation'
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},
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headingProps: heading ? {
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// Techincally, listbox cannot contain headings according to ARIA.
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// We hide the heading from assistive technology, using role="presentation",
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// and only use it as a visual label for the nested group.
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id: headingId,
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role: 'presentation'
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} : {},
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groupProps: {
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role: 'group',
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'aria-label': ariaLabel,
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'aria-labelledby': heading ? headingId : undefined
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}
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};
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}
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