// S5 v1.2a1 slides.js -- released into the Public Domain
//
// Please see http://www.meyerweb.com/eric/tools/s5/credits.html for information
// about all the wonderful and talented contributors to this code!
var undef;
var slideCSS = '';
var snum = 0;
var smax = 1;
var incpos = 0;
var number = undef;
var s5mode = true;
var defaultView = 'slideshow';
var controlVis = 'visible';
var s5NotesWindow;
var s5NotesWindowLoaded = false;
var previousSlide = 0;
var presentationStart = new Date();
var slideStart = new Date();
var countdown = {
timer: 0,
state: 'pause',
start: new Date(),
end: 0,
remaining: 0
};
var isIE = navigator.appName == 'Microsoft Internet Explorer' && navigator.userAgent.indexOf('Opera') < 1 ? 1 : 0;
var isOp = navigator.userAgent.indexOf('Opera') > -1 ? 1 : 0;
var isGe = navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('Safari') < 1 ? 1 : 0;
function hasClass(object, className) {
if (!object.className) return false;
return (object.className.search('(^|\\s)' + className + '(\\s|$)') != -1);
}
function hasValue(object, value) {
if (!object) return false;
return (object.search('(^|\\s)' + value + '(\\s|$)') != -1);
}
function removeClass(object,className) {
if (!object || !hasClass(object,className)) return;
object.className = object.className.replace(new RegExp('(^|\\s)'+className+'(\\s|$)'), RegExp.$1+RegExp.$2);
}
function addClass(object,className) {
if (!object || hasClass(object, className)) return;
if (object.className) {
object.className += ' '+className;
} else {
object.className = className;
}
}
function GetElementsWithClassName(elementName,className) {
var allElements = document.getElementsByTagName(elementName);
var elemColl = new Array();
for (var i = 0; i< allElements.length; i++) {
if (hasClass(allElements[i], className)) {
elemColl[elemColl.length] = allElements[i];
}
}
return elemColl;
}
function isParentOrSelf(element, id) {
if (element == null || element.nodeName=='BODY') return false;
else if (element.id == id) return true;
else return isParentOrSelf(element.parentNode, id);
}
function nodeValue(node) {
var result = "";
if (node.nodeType == 1) {
var children = node.childNodes;
for (var i = 0; i < children.length; ++i) {
result += nodeValue(children[i]);
}
}
else if (node.nodeType == 3) {
result = node.nodeValue;
}
return(result);
}
function slideLabel() {
var slideColl = GetElementsWithClassName('*','slide');
var list = document.getElementById('jumplist');
smax = slideColl.length;
for (var n = 0; n < smax; n++) {
var obj = slideColl[n];
var did = 'slide' + n.toString();
obj.setAttribute('id',did);
// if (isOp) continue; // Opera fix (hallvord)
var otext = '';
var menu = obj.firstChild;
if (!menu) continue; // to cope with empty slides
while (menu && menu.nodeType == 3) {
menu = menu.nextSibling;
}
if (!menu) continue; // to cope with slides with only text nodes
var menunodes = menu.childNodes;
for (var o = 0; o < menunodes.length; o++) {
otext += nodeValue(menunodes[o]);
}
list.options[list.length] = new Option(n + ' : ' + otext, n);
}
}
function currentSlide() {
var cs;
if (document.getElementById) {
cs = document.getElementById('currentSlide');
} else {
cs = document.currentSlide;
}
cs.innerHTML = '<a id="plink" href="">' +
'<span id="csHere">' + snum + '<\/span> ' +
'<span id="csSep">\/<\/span> ' +
'<span id="csTotal">' + (smax-1) + '<\/span>' +
'<\/a>'
;
if (snum == 0) {
cs.style.visibility = 'hidden';
} else {
cs.style.visibility = 'visible';
}
}
function go(step) {
if (document.getElementById('slideProj').disabled || step == 0) return;
var jl = document.getElementById('jumplist');
var cid = 'slide' + snum;
var ce = document.getElementById(cid);
if (incrementals[snum].length > 0) {
for (var i = 0; i < incrementals[snum].length; i++) {
removeClass(incrementals[snum][i], 'current');
removeClass(incrementals[snum][i], 'incremental');
}
}
if (step != 'j') {
snum += step;
lmax = smax - 1;
if (snum > lmax) snum = lmax;
if (snum < 0) snum = 0;
} else
snum = parseInt(jl.value);
var nid = 'slide' + snum;
var ne = document.getElementById(nid);
if (!ne) {
ne = document.getElementById('slide0');
snum = 0;
}
if (step < 0) {incpos = incrementals[snum].length} else {incpos = 0;}
if (incrementals[snum].length > 0 && incpos == 0) {
for (var i = 0; i < incrementals[snum].length; i++) {
if (hasClass(incrementals[snum][i], 'current'))
incpos = i + 1;
else
addClass(incrementals[snum][i], 'incremental');
}
}
if (incrementals[snum].length > 0 && incpos > 0)
addClass(incrementals[snum][incpos - 1], 'current');
if (isOp) { //hallvord
location.hash = nid;
} else {
ce.style.visibility = 'hidden';
ne.style.visibility = 'visible';
} // /hallvord
jl.selectedIndex = snum;
currentSlide();
loadNote();
permaLink();
number = undef;
}
function goTo(target) {
if (target >= smax || target == snum) return;
go(target - snum);
}
function subgo(step) {
if (step > 0) {
removeClass(incrementals[snum][incpos - 1],'current');
removeClass(incrementals[snum][incpos], 'incremental');
addClass(incrementals[snum][incpos],'current');
incpos++;
} else {
incpos--;
removeClass(incrementals[snum][incpos],'current');
addClass(incrementals[snum][incpos], 'incremental');
addClass(incrementals[snum][incpos - 1],'current');
}
loadNote();
}
function toggle() {
var slideColl = GetElementsWithClassName('*','slide');
var slides = document.getElementById('slideProj');
var outline = document.getElementById('outlineStyle');
if (!slides.disabled) {
slides.disabled = true;
outline.disabled = false;
s5mode = false;
fontSize('1em');
for (var n = 0; n < smax; n++) {
var slide = slideColl[n];
slide.style.visibility = 'visible';
}
} else {
slides.disabled = false;
outline.disabled = true;
s5mode = true;
fontScale();
for (var n = 0; n < smax; n++) {
var slide = slideColl[n];
slide.style.visibility = 'hidden';
}
slideColl[snum].style.visibility = 'visible';
}
}
function showHide(action) {
var obj = GetElementsWithClassName('*','hideme')[0];
switch (action) {
case 's': obj.style.visibility = 'visible'; break;
case 'h': obj.style.visibility = 'hidden'; break;
case 'k':
if (obj.style.visibility != 'visible') {
obj.style.visibility = 'visible';
} else {
obj.style.visibility = 'hidden';
}
break;
}
}
// 'keys' code adapted from MozPoint (http://mozpoint.mozdev.org/)
function keys(key) {
if (!key) {
key = event;
key.which = key.keyCode;
}
if (key.which == 84) {
toggle();
return;
}
if (s5mode) {
switch (key.which) {
case 10: // return
case 13: // enter
if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return;
if (key.target && isParentOrSelf(key.target, 'controls')) return;
if(number != undef) {
goTo(number);
break;
}
case 32: // spacebar
case 34: // page down
case 39: // rightkey
case 40: // downkey
if(number != undef) {
go(number);
} else if (!incrementals[snum] || incpos >= incrementals[snum].length) {
go(1);
} else {
subgo(1);
}
break;
case 33: // page up
case 37: // leftkey
case 38: // upkey
if(number != undef) {
go(-1 * number);
} else if (!incrementals[snum] || incpos <= 0) {
go(-1);
} else {
subgo(-1);
}
break;
case 36: // home
goTo(0);
break;
case 35: // end
goTo(smax-1);
break;
case 67: // c
showHide('k');
break;
case 78: // n
createNotesWindow();
break;
}
if (key.which < 48 || key.which > 57) {
number = undef;
} else {
if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return;
if (key.target && isParentOrSelf(key.target, 'controls')) return;
number = (((number != undef) ? number : 0) * 10) + (key.which - 48);
}
}
return false;
}
function clicker(e) {
number = undef;
var target;
if (window.event) {
target = window.event.srcElement;
e = window.event;
} else target = e.target;
if (target.href != null || hasValue(target.rel, 'external') || isParentOrSelf(target, 'controls') || isParentOrSelf(target,'embed') || isParentOrSelf(target,'object')) return true;
if (!e.which || e.which == 1) {
if (!incrementals[snum] || incpos >= incrementals[snum].length) {
go(1);
} else {
subgo(1);
}
}
}
function findSlide(hash) {
var target = null;
var slides = GetElementsWithClassName('*','slide');
for (var i = 0; i < slides.length; i++) {
var targetSlide = slides[i];
if ( (targetSlide.name && targetSlide.name == hash)
|| (targetSlide.id && targetSlide.id == hash) ) {
target = targetSlide;
break;
}
}
while(target != null && target.nodeName != 'BODY') {
if (hasClass(target, 'slide')) {
return parseInt(target.id.slice(5));
}
target = target.parentNode;
}
return null;
}
function slideJump() {
if (window.location.hash == null) return;
var sregex = /^#slide(\d+)$/;
var matches = sregex.exec(window.location.hash);
var dest = null;
if (matches != null) {
dest = parseInt(matches[1]);
} else {
dest = findSlide(window.location.hash.slice(1));
}
if (dest != null)
go(dest - snum);
}
function fixLinks() {
var thisUri = window.location.href;
thisUri = thisUri.slice(0, thisUri.length - window.location.hash.length);
var aelements = document.getElementsByTagName('A');
for (var i = 0; i < aelements.length; i++) {
var a = aelements[i].href;
var slideID = a.match('\#slide[0-9]{1,2}');
if ((slideID) && (slideID[0].slice(0,1) == '#')) {
var dest = findSlide(slideID[0].slice(1));
if (dest != null) {
if (aelements[i].addEventListener) {
aelements[i].addEventListener("click", new Function("e",
"if (document.getElementById('slideProj').disabled) return;" +
"go("+dest+" - snum); " +
"if (e.preventDefault) e.preventDefault();"), true);
} else if (aelements[i].attachEvent) {
aelements[i].attachEvent("onclick", new Function("",
"if (document.getElementById('slideProj').disabled) return;" +
"go("+dest+" - snum); " +
"event.returnValue = false;"));
}
}
}
}
}
function externalLinks() {
if (!document.getElementsByTagName) return;
var anchors = document.getElementsByTagName('a');
for (var i=0; i<anchors.length; i++) {
var anchor = anchors[i];
if (anchor.getAttribute('href') && hasValue(anchor.rel, 'external')) {
anchor.target = '_blank';
addClass(anchor,'external');
}
}
}
function permaLink() {
document.getElementById('plink').href = window.location.pathname + '#slide' + snum;
}
function createControls() {
var controlsDiv = document.getElementById("controls");
if (!controlsDiv) return;
var hider = ' onmouseover="showHide(\'s\');" onmouseout="showHide(\'h\');"';
var hideDiv, hideList = '';
if (controlVis == 'hidden') {
hideDiv = hider;
} else {
hideList = hider;
}
controlsDiv.innerHTML = '<form action="#" id="controlForm"' + hideDiv + '>' +
'<div id="navLinks">' +
'<a accesskey="n" id="show-notes" href="javascript:createNotesWindow();" title="Show Notes">≡<\/a>' +
'<a accesskey="t" id="toggle" href="javascript:toggle();">Ø<\/a>' +
'<a accesskey="z" id="prev" href="javascript:go(-1);">«<\/a>' +
'<a accesskey="x" id="next" href="javascript:go(1);">»<\/a>' +
'<div id="navList"' + hideList + '><select id="jumplist" onchange="go(\'j\');"><\/select><\/div>' +
'<\/div><\/form>';
if (controlVis == 'hidden') {
var hidden = document.getElementById('navLinks');
} else {
var hidden = document.getElementById('jumplist');
}
addClass(hidden,'hideme');
}
function fontScale() { // causes layout problems in FireFox that get fixed if browser's Reload is used; same may be true of other Gecko-based browsers
if (!s5mode) return false;
var vScale = 48; // both yield 16 (the usual browser default) at 1024x768
var hScale = 64; // perhaps should auto-calculate based on theme's declared value?
if (window.innerHeight) {
var vSize = window.innerHeight;
var hSize = window.innerWidth;
} else if (document.documentElement.clientHeight) {
var vSize = document.documentElement.clientHeight;
var hSize = document.documentElement.clientWidth;
} else if (document.body.clientHeight) {
var vSize = document.body.clientHeight;
var hSize = document.body.clientWidth;
} else {
var vSize = 700; // assuming 1024x768, minus chrome and such
var hSize = 1024; // these do not account for kiosk mode or Opera Show
}
var newSize = Math.min(Math.round(vSize/vScale),Math.round(hSize/hScale));
fontSize(newSize + 'px');
if (isGe) { // hack to counter incremental reflow bugs
var obj = document.getElementsByTagName('body')[0];
obj.style.display = 'none';
obj.style.display = 'block';
}
}
function fontSize(value) {
if (!(s5ss = document.getElementById('s5ss'))) {
if (!document.createStyleSheet) {
document.getElementsByTagName('head')[0].appendChild(s5ss = document.createElement('style'));
s5ss.setAttribute('media','screen, projection');
s5ss.setAttribute('id','s5ss');
} else {
document.createStyleSheet();
document.s5ss = document.styleSheets[document.styleSheets.length - 1];
}
}
if (!(document.s5ss && document.s5ss.addRule)) {
while (s5ss.lastChild) s5ss.removeChild(s5ss.lastChild);
s5ss.appendChild(document.createTextNode('html {font-size: ' + value + ' !important;}'));
} else {
document.s5ss.addRule('html','font-size: ' + value + ' !important;');
}
}
function notOperaFix() {
slideCSS = document.getElementById('slideProj').href;
var slides = document.getElementById('slideProj');
var outline = document.getElementById('outlineStyle');
slides.setAttribute('media','screen');
outline.disabled = true;
if (isGe) {
slides.setAttribute('href','null'); // Gecko fix
slides.setAttribute('href',slideCSS); // Gecko fix
}
if (isIE && document.styleSheets && document.styleSheets[0]) {
document.styleSheets[0].addRule('img', 'behavior: url(ui/default/iepngfix.htc)');
document.styleSheets[0].addRule('div', 'behavior: url(ui/default/iepngfix.htc)');
document.styleSheets[0].addRule('.slide', 'behavior: url(ui/default/iepngfix.htc)');
}
}
function getIncrementals(obj) {
var incrementals = new Array();
if (!obj)
return incrementals;
var children = obj.childNodes;
for (var i = 0; i < children.length; i++) {
var child = children[i];
if (hasClass(child, 'incremental')) {
if (child.nodeName == 'OL' || child.nodeName == 'UL') {
removeClass(child, 'incremental');
for (var j = 0; j < child.childNodes.length; j++) {
if (child.childNodes[j].nodeType == 1) {
addClass(child.childNodes[j], 'incremental');
}
}
} else {
incrementals[incrementals.length] = child;
removeClass(child,'incremental');
}
}
if (hasClass(child, 'show-first')) {
if (child.nodeName == 'OL' || child.nodeName == 'UL') {
removeClass(child, 'show-first');
if (child.childNodes[isGe].nodeType == 1) {
removeClass(child.childNodes[isGe], 'incremental');
}
} else {
incrementals[incrementals.length] = child;
}
}
incrementals = incrementals.concat(getIncrementals(child));
}
return incrementals;
}
function createIncrementals() {
var incrementals = new Array();
for (var i = 0; i < smax; i++) {
incrementals[i] = getIncrementals(document.getElementById('slide'+i));
}
return incrementals;
}
function defaultCheck() {
var allMetas = document.getElementsByTagName('meta');
for (var i = 0; i< allMetas.length; i++) {
if (allMetas[i].name == 'defaultView') {
defaultView = allMetas[i].content;
}
if (allMetas[i].name == 'controlVis') {
controlVis = allMetas[i].content;
}
}
}
// Key trap fix, new function body for trap()
function trap(e) {
if (!e) {
e = event;
e.which = e.keyCode;
}
try {
modifierKey = e.ctrlKey || e.altKey || e.metaKey;
}
catch(e) {
modifierKey = false;
}
return modifierKey || e.which == 0;
}
function noteLabel() { // Gives notes id's to match parent slides
var notes = GetElementsWithClassName('div','notes');
for (var i = 0; i < notes.length; i++) {
var note = notes[i];
var id = 'note' + note.parentNode.id.substring(5);
note.setAttribute('id',id);
}
resetElapsedSlide();
resetRemainingTime();
window.setInterval('updateElaspedTime()', 1000);
}
function createNotesWindow() { // creates a window for our notes
if (!s5NotesWindow || s5NotesWindow.closed) { // Create the window if it doesn't exist
s5NotesWindowLoaded = false;
// Note: Safari has a tendency to ignore window options preferring to default to the settings of the parent window, grr.
s5NotesWindow = window.open('ui/s5-notes.html', 's5NotesWindow', 'top=0,left=0');
}
if (s5NotesWindowLoaded) { // Load the current note if the Note HTML has loaded
loadNote();
} else { // Keep trying...
window.setTimeout('createNotesWindow()', 50);
}
}
function loadNote() {
// Loads a note into the note window
var notes = nextNotes = '<em class="disclaimer">There are no notes for this slide.</em>';
if (document.getElementById('note' + snum)) {
notes = document.getElementById('note' + snum).innerHTML;
}
if (document.getElementById('note' + (snum + 1))) {
nextNotes = document.getElementById('note' + (snum + 1)).innerHTML;
}
var jl = document.getElementById('jumplist');
var slideTitle = jl.options[jl.selectedIndex].text.replace(/^\d+\s+:\s+/, '') + ((jl.selectedIndex) ? ' (' + jl.selectedIndex + '/' + (smax - 1) + ')' : '');
if (incrementals[snum].length > 0) {
// alert('howdy');
slideTitle += ' <small>[' + incpos + '/' + incrementals[snum].length + ']</small>';
}
if (jl.selectedIndex < smax - 1) {
var nextTitle = jl.options[jl.selectedIndex + 1].text.replace(/^\d+\s+:\s+/, '') + ((jl.selectedIndex + 1) ? ' (' + (jl.selectedIndex + 1) + '/' + (smax - 1) + ')' : '');
} else {
var nextTitle = '[end of slide show]';
}
if (s5NotesWindow && !s5NotesWindow.closed && s5NotesWindow.document) {
s5NotesWindow.document.getElementById('slide').innerHTML = slideTitle;
s5NotesWindow.document.getElementById('notes').innerHTML = notes;
s5NotesWindow.document.getElementById('next').innerHTML = nextTitle;
s5NotesWindow.document.getElementById('nextnotes').innerHTML = nextNotes;
}
resetElapsedSlide();
}
function minimizeTimer(id) {
var obj = s5NotesWindow.document.getElementById(id);
if (hasClass(obj,'collapsed')) {
removeClass(obj,'collapsed');
} else {
addClass(obj,'collapsed');
}
}
function resetElapsedTime() {
presentationStart = new Date();
slideStart = new Date();
updateElaspedTime();
}
function resetElapsedSlide() {
if (snum != previousSlide) {
slideStart = new Date();
previousSlide = snum;
updateElaspedTime();
}
}
function updateElaspedTime() {
if (!s5NotesWindowLoaded || !s5NotesWindow || s5NotesWindow.closed) return;
var now = new Date();
var ep = s5NotesWindow.document.getElementById('elapsed-presentation');
var es = s5NotesWindow.document.getElementById('elapsed-slide');
ep.innerHTML = formatTime(now.valueOf() - presentationStart.valueOf());
es.innerHTML = formatTime(now.valueOf() - slideStart.valueOf());
}
function resetRemainingTime() {
if (!s5NotesWindowLoaded || !s5NotesWindow || s5NotesWindow.closed) return;
var startField = s5NotesWindow.document.getElementById('startFrom');
startFrom = readTime(startField.value);
countdown.remaining = startFrom * 60000; // convert to msecs
countdown.start = new Date().valueOf();
countdown.end = countdown.start + countdown.remaining;
var tl = s5NotesWindow.document.getElementById('timeLeft');
var timeLeft = formatTime(countdown.remaining);
tl.innerHTML = timeLeft;
}
function updateRemainingTime() {
if (!s5NotesWindowLoaded || !s5NotesWindow || s5NotesWindow.closed) return;
var tl = s5NotesWindow.document.getElementById('timeLeft');
var now = new Date();
if (countdown.state == 'run') {
countdown.remaining = countdown.end - now;
}
tl.style.color = '';
tl.style.backgroundColor = '';
if (countdown.remaining >= 0) {
var timeLeft = formatTime(countdown.remaining);
removeClass(tl,'overtime');
if (countdown.remaining < 300000) {
tl.style.color = 'rgb(' + (255-Math.round(countdown.remaining/2000)) + ',0,0)';
tl.style.backgroundColor = 'rgb(255,255,' + (Math.round(countdown.remaining/2000)) + ')';
}
} else {
var timeLeft = '-' + formatTime(-countdown.remaining);
addClass(tl,'overtime');
}
tl.innerHTML = timeLeft;
}
function toggleRemainingTime() {
if (countdown.state == 'pause') countdown.state = 'run'; else countdown.state = 'pause';
if (countdown.state == 'pause') {
window.clearInterval(countdown.timer);
}
if (countdown.state == 'run') {
countdown.start = new Date().valueOf();
countdown.end = countdown.start + countdown.remaining;
countdown.timer = window.setInterval('updateRemainingTime()', 1000);
}
}
function alterRemainingTime(amt) {
var change = amt * 60000; // convert to msecs
countdown.end += change;
countdown.remaining += change;
updateRemainingTime();
}
function formatTime(msecs) {
var time = new Date(msecs);
var hrs = time.getUTCHours() + ((time.getUTCDate() -1) * 24); // I doubt anyone will spend more than 24 hours on a presentation or single slide but just in case...
hrs = (hrs < 10) ? '0'+hrs : hrs;
if (hrs == 'NaN' || isNaN(hrs)) hrs = '--';
var min = time.getUTCMinutes();
min = (min < 10) ? '0'+min : min;
if (min == 'NaN' || isNaN(min)) min = '--';
var sec = time.getUTCSeconds();
sec = (sec < 10) ? '0'+sec : sec;
if (sec == 'NaN' || isNaN(sec)) sec = '--';
return hrs + ':' + min + ':' + sec;
}
function readTime(val) {
var sregex = /:/;
var matches = sregex.exec(val);
if (matches == null) {
return val;
} else {
var times = val.split(':');
var hours = parseInt(times[0]);
var mins = parseInt(times[1]);
var total = (hours * 60) + mins;
return total;
}
}
function windowChange() {
fontScale();
}
function startup() {
defaultCheck();
createControls(); // hallvord
slideLabel();
incrementals = createIncrementals();
noteLabel(); // [SI:060104] must follow slideLabel()
loadNote();
fixLinks();
externalLinks();
fontScale();
if (!isOp) notOperaFix();
slideJump();
if (defaultView == 'outline') {
toggle();
}
document.onkeyup = keys;
document.onkeypress = trap;
document.onclick = clicker;
}
window.onload = startup;
window.onresize = function(){setTimeout('windowChange()',5);}