1 function setmode(classname, restore) {
2 // set style for each #rows>li>ul>li to display:none unless it matches classname
3 var showclass = classname ? '^mode '+classname+'(?!\\w)' : '^(?!mode)';
4 var rows = document.getElementById('rows').getElementsByTagName('TR');
5 for (var i = 0; i < rows.length; i++) {
7 el.style.display = el.className.match(showclass) ? 'block' : 'none';
10 // update H2 to reflect the first part of a currently active (but hidden) row header
11 var h3s = document.getElementsByTagName('TH');
12 for (var i = 0; i < h3s.length; i++) {
13 if (h3s[i].parentNode.style.display != 'block') continue;
14 var header = h3s[i].firstChild.data;
15 document.getElementsByTagName('H2')[0].innerHTML = header;
17 history.pushState(null, header, classname ? '#'+classname : '#');
22 window.addEventListener('hashchange', function(e) {
23 setmode(location.hash.slice(1), true);
26 setmode(location.hash.slice(1), true);
29 var keyfocus = undefined;
30 document.onkeypress = function(e) {
31 var keylabels = document.getElementById('rows').getElementsByTagName('B');
33 for (var i = 0; i < keylabels.length; i++) {
34 keys[keylabels[i].innerHTML] = keylabels[i].parentNode;
36 var input = e.charCode || e.keyCode;
38 // find key element matching input
39 for (var i = 0; i < keylabels.length; i++) {
40 var key = keylabels[i].parentNode;
41 if (!key.onclick) continue; // link
42 var keychar = key.className.match(/ chr(\d+)$/);
43 if (!keychar) continue; // has code
45 if (keychar != input) continue; // matches code
47 // match mode (visibility)
48 var row = key.parentNode;
49 var shown = row.style.display != 'none';
52 // match key modifiers
53 var keymod = row.className;
54 if ((keymod.search(/\bctrl\b/) != -1) != e.ctrlKey) continue;
55 if ((keymod.search(/\bmeta\b/) != -1) != e.altKey) continue;
58 if (keyfocus) keyfocus.style.outline = '';
59 key.style.outline = '1px solid red';
61 if (key.onclick) key.onclick();