53 lines
1.8 KiB
TypeScript
53 lines
1.8 KiB
TypeScript
import cx from 'clsx';
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import { isEqual, isNil } from 'lodash-es';
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import { useCallback, useRef, useState } from 'react';
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import type { Option } from '../models';
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import styles from './HSegmentedControl.module.css';
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type HSegmentedControlProps = {
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options?: Option[];
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value?: Option['value'];
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onChange?: (value: Option['value']) => void;
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};
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export function HSegmentedControl({ options = [], value, onChange }: HSegmentedControlProps) {
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const [selected, setSelected] = useState(value ?? options[0].value ?? null);
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const [sliderPosition, setSliderPosition] = useState(0);
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const [sliderWidth, setSliderWidth] = useState(0);
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const sliderRef = useRef<HTMLDivElement>(null);
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const optionsRef = useRef<HTMLDivElement[]>([]);
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const handleSelectAction = useCallback((option: Option['value'], index: number) => {
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setSelected(option);
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onChange?.(option);
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if (optionsRef.current && optionsRef.current.length > index) {
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const optionElement = optionsRef.current[index];
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setSliderPosition(optionElement.offsetLeft);
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setSliderWidth(optionElement.offsetWidth);
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}
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}, []);
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return (
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<div className={styles.segmented_control}>
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<div className={styles.options}>
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{options.map((option, index) => (
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<div
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key={`${index}_${option.value}`}
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className={cx(styles.option, isEqual(selected, option.value) && styles.selected)}
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ref={(el) => (optionsRef.current[index] = el!)}
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onClick={() => handleSelectAction(option.value, index)}>
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{option.label}
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</div>
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))}
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{!isNil(selected) && (
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<div
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className={styles.slider}
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ref={sliderRef}
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style={{ left: `${sliderPosition}px`, width: `${sliderWidth}px` }}
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/>
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)}
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</div>
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</div>
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);
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}
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