Boostnote/browser/main/Detail/ToggleStackDirectionButton.js

import PropTypes from 'prop-types'
import React from 'react'
import CSSModules from 'browser/lib/CSSModules'
import styles from './ToggleStackDirectionButton.styl'
import i18n from 'browser/lib/i18n'

const ToggleStackDirectionButton = ({ onClick, isStacking }) => {
  const imgSrc = isStacking
    ? '../resources/icon/icon-panel-split-vertical.svg'
    : '../resources/icon/icon-panel-split-horizontal.svg'
  const text = isStacking
    ? i18n.__('Split Panels Horizontally')
    : i18n.__('Split Panels Vertically')
  return (
    <button
      styleName='control-splitPanelDirection'
      onClick={() => onClick(!isStacking)}
    >
      <img styleName='iconInfo' src={imgSrc} />
      <span lang={i18n.locale} styleName='tooltip'>
        {text}
      </span>
    </button>
  )
}

ToggleStackDirectionButton.propTypes = {
  onClick: PropTypes.func.isRequired,
  isStacking: PropTypes.bool.isRequired
}

export default CSSModules(ToggleStackDirectionButton, styles)