Marc Wieland
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56 lines
2.1 KiB
TypeScript
56 lines
2.1 KiB
TypeScript
/*
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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 clsx from 'clsx';
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import {mergeProps} from '@react-aria/utils';
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import React, {ReactElement} from 'react';
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import {useFocusRing} from './useFocusRing';
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export interface FocusRingProps {
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/** Child element to apply CSS classes to. */
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children: ReactElement,
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/** CSS class to apply when the element is focused. */
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focusClass?: string,
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/** CSS class to apply when the element has keyboard focus. */
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focusRingClass?: string,
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/**
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* Whether to show the focus ring when something
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* inside the container element has focus (true), or
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* only if the container itself has focus (false).
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* @default false
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*/
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within?: boolean,
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/** Whether the element is a text input. */
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isTextInput?: boolean,
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/** Whether the element will be auto focused. */
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autoFocus?: boolean
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}
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/**
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* A utility component that applies a CSS class when an element has keyboard focus.
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* Focus rings are visible only when the user is interacting with a keyboard,
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* not with a mouse, touch, or other input methods.
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*/
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export function FocusRing(props: FocusRingProps): React.ReactElement<unknown, string | React.JSXElementConstructor<any>> {
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let {children, focusClass, focusRingClass} = props;
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let {isFocused, isFocusVisible, focusProps} = useFocusRing(props);
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let child = React.Children.only(children);
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return React.cloneElement(child, mergeProps(child.props as any, {
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...focusProps,
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className: clsx({
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[focusClass || '']: isFocused,
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[focusRingClass || '']: isFocusVisible
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})
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}));
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}
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