Cool-Y.github.io/js/src/post-details.js
2019-03-16 15:24:51 +08:00

100 lines
3.2 KiB
JavaScript

/* global NexT: true */
$(document).ready(function () {
initScrollSpy();
function initScrollSpy () {
var tocSelector = '.post-toc';
var $tocElement = $(tocSelector);
var activeCurrentSelector = '.active-current';
$tocElement
.on('activate.bs.scrollspy', function () {
var $currentActiveElement = $(tocSelector + ' .active').last();
removeCurrentActiveClass();
$currentActiveElement.addClass('active-current');
// Scrolling to center active TOC element if TOC content is taller then viewport.
$tocElement.scrollTop($currentActiveElement.offset().top - $tocElement.offset().top + $tocElement.scrollTop() - ($tocElement.height() / 2));
})
.on('clear.bs.scrollspy', removeCurrentActiveClass);
$('body').scrollspy({ target: tocSelector });
function removeCurrentActiveClass () {
$(tocSelector + ' ' + activeCurrentSelector)
.removeClass(activeCurrentSelector.substring(1));
}
}
});
$(document).ready(function () {
var html = $('html');
var TAB_ANIMATE_DURATION = 200;
var hasVelocity = $.isFunction(html.velocity);
$('.sidebar-nav li').on('click', function () {
var item = $(this);
var activeTabClassName = 'sidebar-nav-active';
var activePanelClassName = 'sidebar-panel-active';
if (item.hasClass(activeTabClassName)) {
return;
}
var currentTarget = $('.' + activePanelClassName);
var target = $('.' + item.data('target'));
hasVelocity ?
currentTarget.velocity('transition.slideUpOut', TAB_ANIMATE_DURATION, function () {
target
.velocity('stop')
.velocity('transition.slideDownIn', TAB_ANIMATE_DURATION)
.addClass(activePanelClassName);
}) :
currentTarget.animate({ opacity: 0 }, TAB_ANIMATE_DURATION, function () {
currentTarget.hide();
target
.stop()
.css({'opacity': 0, 'display': 'block'})
.animate({ opacity: 1 }, TAB_ANIMATE_DURATION, function () {
currentTarget.removeClass(activePanelClassName);
target.addClass(activePanelClassName);
});
});
item.siblings().removeClass(activeTabClassName);
item.addClass(activeTabClassName);
});
// TOC item animation navigate & prevent #item selector in adress bar.
$('.post-toc a').on('click', function (e) {
e.preventDefault();
var targetSelector = NexT.utils.escapeSelector(this.getAttribute('href'));
var offset = $(targetSelector).offset().top;
hasVelocity ?
html.velocity('stop').velocity('scroll', {
offset: offset + 'px',
mobileHA: false
}) :
$('html, body').stop().animate({
scrollTop: offset
}, 500);
});
// Expand sidebar on post detail page by default, when post has a toc.
var $tocContent = $('.post-toc-content');
var isSidebarCouldDisplay = CONFIG.sidebar.display === 'post' ||
CONFIG.sidebar.display === 'always';
var hasTOC = $tocContent.length > 0 && $tocContent.html().trim().length > 0;
if (isSidebarCouldDisplay && hasTOC) {
CONFIG.motion.enable ?
(NexT.motion.middleWares.sidebar = function () {
NexT.utils.displaySidebar();
}) : NexT.utils.displaySidebar();
}
});