112 lines
4.2 KiB
JavaScript
112 lines
4.2 KiB
JavaScript
import * as React from 'react';
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import { getIntrinsicElementProps, slot, useMergedRefs } from '@fluentui/react-utilities';
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import { useFocusWithin } from '@fluentui/react-tabster';
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import { useRatingItemContextValue_unstable } from '../../contexts/RatingItemContext';
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const defaultItemLabel = (num)=>num + '';
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/**
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* Create the state required to render RatingItem.
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*
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* The returned state can be modified with hooks such as useRatingItemStyles_unstable,
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* before being passed to renderRatingItem_unstable.
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*
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* @param props - props from this instance of RatingItem
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* @param ref - reference to root HTMLElement of RatingItem
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*/ export const useRatingItem_unstable = (props, ref)=>{
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const context = useRatingItemContextValue_unstable();
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const { value = 0 } = props;
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const { itemLabel = defaultItemLabel, iconFilled: IconFilled, iconOutline: IconOutline } = context;
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const ratingValue = Math.round((context.value || 0) * 2) / 2; // round to the nearest 0.5
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var _context_hoveredValue;
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const displayedRatingValue = (_context_hoveredValue = context.hoveredValue) !== null && _context_hoveredValue !== void 0 ? _context_hoveredValue : ratingValue;
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const appearance = context.interactive ? 'outline' : 'filled';
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let iconFillWidth;
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if (context.compact || displayedRatingValue >= value) {
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iconFillWidth = 1;
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} else if (displayedRatingValue >= value - 0.5) {
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iconFillWidth = 0.5;
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} else {
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iconFillWidth = 0;
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}
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const root = slot.always(getIntrinsicElementProps('span', {
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ref: useMergedRefs(useFocusWithin(), ref),
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...props
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}), {
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elementType: 'span'
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});
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let unselectedIcon;
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if (iconFillWidth < 1) {
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unselectedIcon = slot.always(props.unselectedIcon, {
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defaultProps: {
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children: appearance === 'filled' ? /*#__PURE__*/ React.createElement(IconFilled, null) : /*#__PURE__*/ React.createElement(IconOutline, null),
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'aria-hidden': true
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},
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elementType: 'div'
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});
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}
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let selectedIcon;
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if (iconFillWidth > 0) {
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selectedIcon = slot.always(props.selectedIcon, {
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defaultProps: {
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children: /*#__PURE__*/ React.createElement(IconFilled, null),
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'aria-hidden': true
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},
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elementType: 'div'
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});
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}
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let halfValueInput;
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if (context.interactive && context.step === 0.5) {
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halfValueInput = slot.always(props.halfValueInput, {
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defaultProps: {
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type: 'radio',
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name: context.name,
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value: value - 0.5,
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checked: ratingValue === value - 0.5,
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'aria-label': itemLabel(value - 0.5),
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onChange: ()=>{
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// This empty onChange handler silences an incorrect React warning about not using onChange for a controlled input.
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// The parent Rating component has the real onChange handler to listen to change events from this input.
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}
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},
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elementType: 'input'
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});
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}
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let fullValueInput;
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if (context.interactive) {
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fullValueInput = slot.always(props.fullValueInput, {
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defaultProps: {
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type: 'radio',
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name: context.name,
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value,
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checked: ratingValue === value,
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'aria-label': itemLabel(value),
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onChange: ()=>{
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// This empty onChange handler silences an incorrect React warning about not using onChange for a controlled input.
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// The parent Rating component has the real onChange handler to listen to change events from this input.
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}
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},
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elementType: 'input'
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});
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}
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const state = {
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appearance,
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color: context.color,
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step: context.step,
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size: context.size,
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iconFillWidth,
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value,
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components: {
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root: 'span',
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selectedIcon: 'div',
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unselectedIcon: 'div',
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halfValueInput: 'input',
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fullValueInput: 'input'
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},
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root,
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selectedIcon,
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unselectedIcon,
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halfValueInput,
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fullValueInput
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};
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return state;
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};
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