nivo/website/src/components/controls/specialized/LineWidthControl.tsx

import React, { memo, useCallback, ChangeEvent } from 'react'
import styled from 'styled-components'
import { ChartPropertyWithControl, Flavor } from '../../../types'
import { ControlContext, LineWidthControlConfig } from '../types'
import { Control, TextInput } from '../ui'

const size = 24

interface LineWidthControlProps {
    id: string
    property: ChartPropertyWithControl<LineWidthControlConfig>
    flavors: Flavor[]
    currentFlavor: Flavor
    value: number
    onChange: (value: number) => void
    context?: ControlContext
}

export const LineWidthControl = memo(
    ({ id, property, flavors, currentFlavor, value, context, onChange }: LineWidthControlProps) => {
        const handleChange = useCallback(
            (event: ChangeEvent<HTMLInputElement>) => {
                onChange(Number(event.target.value))
            },
            [onChange]
        )

        return (
            <Control
                id={id}
                property={property}
                flavors={flavors}
                currentFlavor={currentFlavor}
                context={context}
            >
                <Row>
                    <TextInput value={value} onChange={handleChange} unit="px" isNumber={true} />
                    <svg width={size} height={size}>
                        <Line y1={size / 2} x2={size} y2={size / 2} />
                        <Marker
                            x1={size * 0.2}
                            y1={size / 2}
                            x2={size * 0.8}
                            y2={size / 2}
                            strokeWidth={value}
                        />
                    </svg>
                    <input
                        type="range"
                        value={value}
                        onChange={handleChange}
                        min={0}
                        max={20}
                        step={property.control.step}
                    />
                </Row>
            </Control>
        )
    }
)

const Row = styled.div`
    display: grid;
    grid-template-columns: 60px ${size}px auto;
    grid-column-gap: 9px;
    align-items: center;
    max-width: 240px;
    margin-bottom: 5px;
`

const Line = styled.line`
    stroke: ${({ theme }) => theme.colors.border};
    stroke-width: 1px;
    fill: none;
`

const Marker = styled.line`
    stroke: ${({ theme }) => theme.colors.accent};
    fill: none;
`