Sha256: ae5af03b8d023d8c3e6acbe393070d5da8651eca7c1dcfee7b40943013c1e564
Contents?: true
Size: 1.97 KB
Versions: 66
Compression:
Stored size: 1.97 KB
Contents
jQuery(function() {
var $sidebar = $('.sidebar'),
$content = $('.content'),
$tutorial = $('.tutorial-content'),
$window = $(window),
offset = $content.offset().top + 60;
var found = true;
var $el;
var href = $sidebar.find('a').first().attr("href");
if (href !== undefined && href.charAt(0) === "#") {
setActiveSidebarLink();
$(window).on("scroll", function() {
throttle(function(){
setActiveSidebarLink();
setSidebar();
}, 100)();
});
}
function setSidebar() {
var offset = 102,
bottom = $tutorial.offset().top + $tutorial.outerHeight() - $sidebar.outerHeight() - offset;
if (window.scrollY > bottom) {
$sidebar.css("position", "absolute").css("top", $tutorial.outerHeight() - $sidebar.outerHeight());
} else if (window.scrollY > $tutorial.offset().top) {
$sidebar.css("position", "fixed").css("top", offset);
} else {
$sidebar.css("position", "absolute").css("top", offset);
}
}
function setActiveSidebarLink() {
$('.sidebar a').removeClass('active');
var $closest = getClosestHeader();
$closest.addClass('active');
}
});
function getClosestHeader() {
var $links = $('.sidebar a'),
top = window.scrollY,
$last = $links.first(),
$content = $(".tutorial-content");
//console.log(top);
if (top < 300) {
return $last;
}
if (top + window.innerHeight >= $content.offset().top + $content.height()) {
return $links.last();
}
for (var i = 0; i < $links.length; i++) {
var $link = $links.eq(i),
href = $link.attr("href");
if (href !== undefined && href.charAt(0) === "#" && href.length > 1) {
var $anchor = $(href);
if ($anchor.length > 0) {
var offset = $anchor.offset();
if (top < offset.top - (window.innerHeight / 2)) {
return $last;
}
$last = $link;
}
}
}
return $last;
}
function throttle (callback, limit) {
var wait = false;
return function () {
if (!wait) {
callback.apply(null, arguments);
wait = true;
setTimeout(function () {
wait = false;
}, limit);
}
};
}
Version data entries
66 entries across 66 versions & 1 rubygems