@sutton-signwriting/sutton-signwriting/site/js/base.js

function getSearchTerm()
{
    var sPageURL = window.location.search.substring(1);
    var sURLVariables = sPageURL.split('&');
    for (var i = 0; i < sURLVariables.length; i++)
    {
        var sParameterName = sURLVariables[i].split('=');
        if (sParameterName[0] == 'q')
        {
            return sParameterName[1];
        }
    }
}

$(document).ready(function() {

    var search_term = getSearchTerm(),
        $search_modal = $('#mkdocs_search_modal'),
        $keyboard_modal = $('#mkdocs_keyboard_modal');

    if(search_term){
        $search_modal.modal();
    }

    // make sure search input gets autofocus everytime modal opens.
    $search_modal.on('shown.bs.modal', function () {
        $search_modal.find('#mkdocs-search-query').focus();
    });

    // Close search modal when result is selected
    // The links get added later so listen to parent
    $('#mkdocs-search-results').click(function(e) {
      if ($(e.target).is('a')) {
        $search_modal.modal('hide');
      }
    });

    // Populate keyboard modal with proper Keys
    $keyboard_modal.find('.help.shortcut kbd')[0].innerHTML = keyCodes[shortcuts.help];
    $keyboard_modal.find('.prev.shortcut kbd')[0].innerHTML = keyCodes[shortcuts.previous];
    $keyboard_modal.find('.next.shortcut kbd')[0].innerHTML = keyCodes[shortcuts.next];
    $keyboard_modal.find('.search.shortcut kbd')[0].innerHTML = keyCodes[shortcuts.search];

    // Keyboard navigation
    document.addEventListener("keydown", function(e) {
        if ($(e.target).is(':input')) return true;
        var key = e.which || e.keyCode || window.event && window.event.keyCode;
        var page;
        switch (key) {
            case shortcuts.next:
                page = $('[role="navigation"] a:contains(Next):first').prop('href');
                break;
            case shortcuts.previous:
                page = $('[role="navigation"] a:contains(Previous):first').prop('href');
                break;
            case shortcuts.search:
                e.preventDefault();
                $keyboard_modal.modal('hide');
                $search_modal.modal('show');
                $search_modal.find('#mkdocs-search-query').focus();
                break;
            case shortcuts.help:
                $search_modal.modal('hide');
                $keyboard_modal.modal('show');
                break;
            default: break;
        }
        if (page) {
            $keyboard_modal.modal('hide');
            window.location.href = page;
        }
    });

    $('table').addClass('table table-striped table-hover');

    // Improve the scrollspy behaviour when users click on a TOC item.
    $(".bs-sidenav a").on("click", function() {
        var clicked = this;
        setTimeout(function() {
            var active = $('.nav li.active a');
            active = active[active.length - 1];
            if (clicked !== active) {
                $(active).parent().removeClass("active");
                $(clicked).parent().addClass("active");
            }
        }, 50);
    });

});


$('body').scrollspy({
    target: '.bs-sidebar',
    offset: 100
});

/* Prevent disabled links from causing a page reload */
$("li.disabled a").click(function() {
    event.preventDefault();
});

// See https://www.cambiaresearch.com/articles/15/javascript-char-codes-key-codes
// We only list common keys below. Obscure keys are omited and their use is discouraged.
var keyCodes = {
  8: 'backspace',
  9: 'tab',
  13: 'enter',
  16: 'shift',
  17: 'ctrl',
  18: 'alt',
  19: 'pause/break',
  20: 'caps lock',
  27: 'escape',
  32: 'spacebar',
  33: 'page up',
  34: 'page down',
  35: 'end',
  36: 'home',
  37: '&larr;',
  38: '&uarr;',
  39: '&rarr;',
  40: '&darr;',
  45: 'insert',
  46: 'delete',
  48: '0',
  49: '1',
  50: '2',
  51: '3',
  52: '4',
  53: '5',
  54: '6',
  55: '7',
  56: '8',
  57: '9',
  65: 'a',
  66: 'b',
  67: 'c',
  68: 'd',
  69: 'e',
  70: 'f',
  71: 'g',
  72: 'h',
  73: 'i',
  74: 'j',
  75: 'k',
  76: 'l',
  77: 'm',
  78: 'n',
  79: 'o',
  80: 'p',
  81: 'q',
  82: 'r',
  83: 's',
  84: 't',
  85: 'u',
  86: 'v',
  87: 'w',
  88: 'x',
  89: 'y',
  90: 'z',
  91: 'Left Windows Key / Left ⌘',
  92: 'Right Windows Key',
  93: 'Windows Menu / Right ⌘',
  96: 'numpad 0',
  97: 'numpad 1',
  98: 'numpad 2',
  99: 'numpad 3',
  100: 'numpad 4',
  101: 'numpad 5',
  102: 'numpad 6',
  103: 'numpad 7',
  104: 'numpad 8',
  105: 'numpad 9',
  106: 'multiply',
  107: 'add',
  109: 'subtract',
  110: 'decimal point',
  111: 'divide',
  112: 'f1',
  113: 'f2',
  114: 'f3',
  115: 'f4',
  116: 'f5',
  117: 'f6',
  118: 'f7',
  119: 'f8',
  120: 'f9',
  121: 'f10',
  122: 'f11',
  123: 'f12',
  124: 'f13',
  125: 'f14',
  126: 'f15',
  127: 'f16',
  128: 'f17',
  129: 'f18',
  130: 'f19',
  131: 'f20',
  132: 'f21',
  133: 'f22',
  134: 'f23',
  135: 'f24',
  144: 'num lock',
  145: 'scroll lock',
  186: '&semi;',
  187: '&equals;',
  188: '&comma;',
  189: '&hyphen;',
  190: '&period;',
  191: '&quest;',
  192: '&grave;',
  219: '&lsqb;',
  220: '&bsol;',
  221: '&rsqb;',
  222: '&apos;',
};