65 lines
2.1 KiB
JavaScript
65 lines
2.1 KiB
JavaScript
/* global bp */
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import Cookies from 'js-cookie';
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import './breakpoints';
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export const canShowActiveSubItems = (el) => {
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const isHiddenByMedia = bp.getBreakpointSize() === 'sm' || bp.getBreakpointSize() === 'md';
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if (el.classList.contains('active') && !isHiddenByMedia) {
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return Cookies.get('sidebar_collapsed') === 'true';
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}
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return true;
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};
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export const canShowSubItems = () => bp.getBreakpointSize() === 'sm' || bp.getBreakpointSize() === 'md' || bp.getBreakpointSize() === 'lg';
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export const calculateTop = (boundingRect, outerHeight) => {
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const windowHeight = window.innerHeight;
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const bottomOverflow = windowHeight - (boundingRect.top + outerHeight);
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return bottomOverflow < 0 ? (boundingRect.top - outerHeight) + boundingRect.height :
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boundingRect.top;
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};
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export const showSubLevelItems = (el) => {
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const subItems = el.querySelector('.sidebar-sub-level-items');
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if (!subItems || !canShowSubItems() || !canShowActiveSubItems(el)) return;
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subItems.style.display = 'block';
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el.classList.add('is-showing-fly-out');
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el.classList.add('is-over');
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const boundingRect = el.getBoundingClientRect();
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const top = calculateTop(boundingRect, subItems.offsetHeight);
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const isAbove = top < boundingRect.top;
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subItems.classList.add('fly-out-list');
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subItems.style.transform = `translate3d(0, ${Math.floor(top)}px, 0)`;
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if (isAbove) {
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subItems.classList.add('is-above');
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}
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};
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export const hideSubLevelItems = (el) => {
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const subItems = el.querySelector('.sidebar-sub-level-items');
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if (!subItems || !canShowSubItems() || !canShowActiveSubItems(el)) return;
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el.classList.remove('is-showing-fly-out');
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el.classList.remove('is-over');
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subItems.style.display = '';
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subItems.style.transform = '';
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subItems.classList.remove('is-above');
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};
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export default () => {
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const items = [...document.querySelectorAll('.sidebar-top-level-items > li')]
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.filter(el => el.querySelector('.sidebar-sub-level-items'));
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items.forEach((el) => {
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el.addEventListener('mouseenter', e => showSubLevelItems(e.currentTarget));
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el.addEventListener('mouseleave', e => hideSubLevelItems(e.currentTarget));
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});
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};
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