webpack-bootstrap-ui-kit/src/js/ui/dropdown.js

108 lines
2.6 KiB
JavaScript

import Events from '../_events'
/*
* Bootstrap compatible dropdowns without popover library
*
* [data-bs-toggle="hover"] - shows/hides dropdown on mouseover/mouseout
* [data-bs-toggle="dropdown"], .js-dropdown - shows/hides dropdown on click
*
*/
const DropdownHoverUI = ((window) => {
const NAME = 'js-dropdown'
const HideAll = () => {
// hide others
document.querySelectorAll('.dropdown-menu').forEach((el, i) => {
el.classList.remove('show')
})
}
const Toggle = (el) => {
HideAll()
el.querySelector('.dropdown-menu').classList.toggle('show')
}
const Show = (e) => {
const el = e.currentTarget
el.querySelector('.dropdown-menu').classList.add('show')
}
const Hide = (e) => {
const el = e.currentTarget
el.querySelector('.dropdown-menu').classList.remove('show')
}
const init = () => {
console.log(`${NAME}: init`)
const clickableEls = document.querySelectorAll(`.${NAME},[data-bs-toggle="dropdown"]`)
const hoverableEls = document.querySelectorAll('[data-bs-toggle="hover"]')
const attachHoverEvents = (el) => {
el.addEventListener('mouseover', Show, false)
el.addEventListener('mouseout', Hide, false)
el.classList.add(`${NAME}-active`)
}
const attachClickEvents = (el) => {
el.addEventListener('click', (e) => {
e.preventDefault()
const el = e.currentTarget
const parent = el.closest('.dropdown')
Toggle(parent)
})
el.classList.add(`${NAME}-active`)
}
// Hide all for outside clicks
/* document.addEventListener('click', function (event) {
const isClickInside = clickableEls.contains(event.target);
if (!isClickInside) {
HideAll();
}
}); */
document.addEventListener('click', (event) => {
let breakPath = false
const path = event.path || (event.composedPath && event.composedPath())
if (!path) {
console.warn('Browser does not provide event path to hide dropdowns on outside click')
}
path.forEach((el, i) => {
if (breakPath) {
return
}
if (el === document) {
HideAll()
}
if (el.classList && el.classList.contains('dropdown-toggle')) {
breakPath = true
}
})
})
hoverableEls.forEach((el, i) => {
const parent = el.closest('.dropdown')
attachHoverEvents(parent)
})
clickableEls.forEach((el, i) => {
attachClickEvents(el)
})
}
window.addEventListener(`${Events.LODEDANDREADY}`, init)
window.addEventListener(`${Events.AJAX}`, init)
})(window)
export default DropdownHoverUI