/*
* jquery.tocible.min.js v1.2.0, jQuery Tocible
*
* Under MIT license, available at http://www.opensource.org/licenses/MIT.
*
* A lightweight table of contents navigation plugin
* https://github.com/markserbol/tocible
*
*/
(function(a) {
var k = {
heading: "h2",
subheading: "h3",
reference: ".ref",
title: "",
hash: !1,
offsetTop: 50,
speed: 800,
collapsible: !0,
maxWidth: 150
};
a.fn.tocible = function(m) {
var d = a.extend({}, k, m);
return this.each(function() {
var b = a(this),
e, f, g, h, l;
b.find(".tocible").remove();
f = b.find(d.reference);
f.css({
visibility: "hidden"
});
l = f.offset().left;
e = a("<div/>", {
"class": "tocible",
html: "<ul/>"
});
e.css({
"max-width": d.maxWidth
});
b.append(e).css({
position: "relative"
});
if (d.title) {
var k = a(d.title).length ? a(d.title).text() : d.title;
a("<div/>", {
"class": "tocible_header",
html: k + "<span/>"
}).prependTo(e).click(function() {
a(this).siblings("ul").slideToggle({
duration: "slow",
step: contain
});
a(this).find("span").toggleClass("toc_open")
})
}
g = b.find(d.heading);
h = b.find(d.subheading);
g.add(h).each(function() {
var c = a(this),
e, b, f;
e = c.attr("id") ? "#" + c.attr("id") : "#";
b = c.text();
c.is(g) ? f = "heading" : c.is(h) && (f = "subheading");
b = a("<a/>", {
text: b,
href: e
});
a("
", {
"class": "tocible_" + f
}).append(b).appendTo(".tocible > ul");
b.click(function(b) {
b.preventDefault();
b = c.offset();
if (d.hash) {
var f = a(window).scrollTop();
history.pushState ? history.pushState({}, document.title, e) : (window.location.hash = e, a(window).scrollTop(f))
}
a("html, body").stop(!0).animate({
scrollTop: b.top - 10 - 83
}, d.speed)
})
});
contain = function() {
var c = a(window).scrollTop(),
g = b.offset().top;
e.css({
top: d.offsetTop + 10,
bottom: "auto",
left: l
});
g + b.outerHeight() <= c + e.height() + d.offsetTop ? e.css({
position: "absolute",
bottom: 0,
top: "auto",
left: f.position().left
}) : c >= g ? e.css({
position: "fixed",
bottom: "auto",
top: d.offsetTop + 80,
left: f.offset().left - 170
}) : e.css({
position: "absolute",
left: f.position().left - 170
})
};
onScroll = function() {
d.collapsible && a(".tocible li.tocible_subheading").hide();
g.add(h).each(function(c) {
var b = a(this).offset().top;
c = a(".tocible li").eq(c);
a(window).scrollTop() >= b - 20 ? (c.addClass("toc_scrolled").siblings().removeClass("toc_scrolled"), d.collapsible && (c.siblings().filter(".tocible_subheading").hide(), c.is(".tocible_subheading") ? c.prevAll(".tocible_heading:first").nextUntil(".tocible_heading").show() : c.is(".tocible_heading") && c.nextUntil(".tocible_heading").show())) : c.removeClass("toc_scrolled")
})
};
a(window).on("resize scroll", function(a) {
contain();
onScroll()
}).trigger("scroll")
})
}
})(jQuery);