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

92 lines
2.2 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(`${NAME}: init`);
const attachHoverEvents = (el) => {
el.addEventListener('mouseover', Show, false);
el.addEventListener('mouseout', Hide, false);
el.classList.add(`${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(`${NAME}-active`);
};
// Hide all for not dropdown-menu clicks
document.addEventListener('click', (event) => {
let breakPath = false;
event.path.forEach((el, i) => {
if (breakPath) {
return;
}
if (el === document) {
HideAll();
}
if (el.classList && el.classList.contains('dropdown-toggle')) {
breakPath = true;
return;
}
});
});
document.querySelectorAll(`[data-bs-toggle="hover"]`).forEach((el, i) => {
const parent = el.closest('.dropdown');
attachHoverEvents(parent);
});
document.querySelectorAll(`.${NAME},[data-bs-toggle="dropdown"]`).forEach((el, i) => {
attachClickEvents(el);
});
};
window.addEventListener(`${Events.LODEDANDREADY}`, init);
window.addEventListener(`${Events.AJAX}`, init);
})(window);
export default DropdownHoverUI;