48 lines
2.2 KiB
JavaScript
48 lines
2.2 KiB
JavaScript
// This is adapted from Terraform’s web site:
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// https://github.com/hashicorp/terraform-website/blob/b218a3a9aac14462065e2035e8281d38e784af47/content/source/assets/javascripts/application.js
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document.addEventListener('turbolinks:load', function() {
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"use strict";
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// On docs/content pages, add a hierarchical quick nav menu if there are
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// more than two H2 headers.
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var headers = $('#inner').find('h2');
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if (headers.length > 2 && $("div#inner-quicknav").length === 0) {
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// Build the quick-nav HTML:
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$("#inner h1").first().after(
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'<div id="inner-quicknav">' +
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'<span id="inner-quicknav-trigger">' +
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'Jump to Section' +
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'<svg width="9" height="5" xmlns="http://www.w3.org/2000/svg"><path d="M8.811 1.067a.612.612 0 0 0 0-.884.655.655 0 0 0-.908 0L4.5 3.491 1.097.183a.655.655 0 0 0-.909 0 .615.615 0 0 0 0 .884l3.857 3.75a.655.655 0 0 0 .91 0l3.856-3.75z" fill-rule="evenodd"/></svg>' +
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'</span>' +
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'<ul class="dropdown"></ul>' +
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'</div>'
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);
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var quickNav = $('#inner-quicknav > ul.dropdown');
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headers.each(function(index, element) {
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var level = element.nodeName.toLowerCase();
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var header_text = $(element).text();
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var header_id = $(element).attr('id');
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quickNav.append('<li class="level-' + level + '"><a href="#' + header_id + '">' + header_text + '</a></li>');
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});
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// Attach event listeners:
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// Trigger opens and closes.
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$('#inner-quicknav #inner-quicknav-trigger').on('click', function(e) {
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$(this).siblings('ul').toggleClass('active');
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e.stopPropagation();
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});
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// Clicking inside the quick-nav doesn't close it.
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quickNav.on('click', function(e) {
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e.stopPropagation();
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});
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// Jumping to a section means you're done with the quick-nav.
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quickNav.find('li a').on('click', function() {
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quickNav.removeClass('active');
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});
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// Clicking outside the quick-nav closes it.
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$('body').on('click', function() {
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quickNav.removeClass('active');
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});
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}
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});
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