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{{ $header_img := .Scratch.Get "header_img" -}}
{{ $navStyle := "invert" }}
{{- with $header_img -}}
{{ $navStyle = "" }}
{{- end -}}
<nav class="navbar navbar-default navbar-custom navbar-fixed-top {{ $navStyle }}">
<div class="container-fluid">
<!-- Brand and toggle get grouped for better mobile display -->
<div class="navbar-header page-scroll">
<button type="button" class="navbar-toggle">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="{{ .Site.BaseURL | safeURL }}">{{ .Site.Title }}</a>
</div>
<!-- Collect the nav links, forms, and other content for toggling -->
<div id="huxblog_navbar">
<div class="navbar-collapse">
<ul class="nav navbar-nav navbar-right">
{{ range .Site.Menus.main }}
<li><a href="{{ .URL | safeURL }}" title="{{ .Name }}">{{ .Name }}</a></li>
{{ end }}
</ul>
</div>
</div>
<!-- /.navbar-collapse -->
</div>
<!-- /.container -->
</nav>
<script>
// Drop Bootstarp low-performance Navbar
// Use customize navbar with high-quality material design animation
// in high-perf jank-free CSS3 implementation
var $body = document.body;
var $toggle = document.querySelector(".navbar-toggle");
var $navbar = document.querySelector("#huxblog_navbar");
var $collapse = document.querySelector(".navbar-collapse");
var __HuxNav__ = {
close: function () {
$navbar.className = " ";
// wait until animation end.
setTimeout(function () {
// prevent frequently toggle
if ($navbar.className.indexOf("in") < 0) {
$collapse.style.height = "0px";
}
}, 400);
},
open: function () {
$collapse.style.height = "auto";
$navbar.className += " in";
},
};
// Bind Event
$toggle.addEventListener("click", function (e) {
if ($navbar.className.indexOf("in") > 0) {
__HuxNav__.close();
} else {
__HuxNav__.open();
}
});
/**
* Since Fastclick is used to delegate 'touchstart' globally
* to hack 300ms delay in iOS by performing a fake 'click',
* Using 'e.stopPropagation' to stop 'touchstart' event from
* $toggle/$collapse will break global delegation.
*
* Instead, we use a 'e.target' filter to prevent handler
* added to document close HuxNav.
*
* Also, we use 'click' instead of 'touchstart' as compromise
*/
document.addEventListener("click", function (e) {
if (e.target == $toggle) return;
if (e.target.className == "icon-bar") return;
__HuxNav__.close();
});
</script>
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