1 // S5 v1.2a1 slides.js -- released into the Public Domain
3 // Please see http://www.meyerweb.com/eric/tools/s5/credits.html for information
4 // about all the wonderful and talented contributors to this code!
13 var defaultView = 'slideshow';
14 var controlVis = 'visible';
17 var s5NotesWindowLoaded = false;
18 var previousSlide = 0;
19 var presentationStart = new Date();
20 var slideStart = new Date();
31 var isIE = navigator.appName == 'Microsoft Internet Explorer' && navigator.userAgent.indexOf('Opera') < 1 ? 1 : 0;
32 var isOp = navigator.userAgent.indexOf('Opera') > -1 ? 1 : 0;
33 var isGe = navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('Safari') < 1 ? 1 : 0;
35 function hasClass(object, className) {
36 if (!object.className) return false;
37 return (object.className.search('(^|\\s)' + className + '(\\s|$)') != -1);
40 function hasValue(object, value) {
41 if (!object) return false;
42 return (object.search('(^|\\s)' + value + '(\\s|$)') != -1);
45 function removeClass(object,className) {
46 if (!object || !hasClass(object,className)) return;
47 object.className = object.className.replace(new RegExp('(^|\\s)'+className+'(\\s|$)'), RegExp.$1+RegExp.$2);
50 function addClass(object,className) {
51 if (!object || hasClass(object, className)) return;
52 if (object.className) {
53 object.className += ' '+className;
55 object.className = className;
59 function GetElementsWithClassName(elementName,className) {
60 var allElements = document.getElementsByTagName(elementName);
61 var elemColl = new Array();
62 for (var i = 0; i< allElements.length; i++) {
63 if (hasClass(allElements[i], className)) {
64 elemColl[elemColl.length] = allElements[i];
70 function isParentOrSelf(element, id) {
71 if (element == null || element.nodeName=='BODY') return false;
72 else if (element.id == id) return true;
73 else return isParentOrSelf(element.parentNode, id);
76 function nodeValue(node) {
78 if (node.nodeType == 1) {
79 var children = node.childNodes;
80 for (var i = 0; i < children.length; ++i) {
81 result += nodeValue(children[i]);
84 else if (node.nodeType == 3) {
85 result = node.nodeValue;
90 function slideLabel() {
91 var slideColl = GetElementsWithClassName('*','slide');
92 var list = document.getElementById('jumplist');
93 smax = slideColl.length;
94 for (var n = 0; n < smax; n++) {
95 var obj = slideColl[n];
97 var did = 'slide' + n.toString();
98 obj.setAttribute('id',did);
100 // if (isOp) continue; // Opera fix (hallvord)
103 var menu = obj.firstChild;
104 if (!menu) continue; // to cope with empty slides
105 while (menu && menu.nodeType == 3) {
106 menu = menu.nextSibling;
108 if (!menu) continue; // to cope with slides with only text nodes
110 var menunodes = menu.childNodes;
111 for (var o = 0; o < menunodes.length; o++) {
112 otext += nodeValue(menunodes[o]);
114 list.options[list.length] = new Option(n + ' : ' + otext, n);
118 function currentSlide() {
120 if (document.getElementById) {
121 cs = document.getElementById('currentSlide');
123 cs = document.currentSlide;
125 cs.innerHTML = '<a id="plink" href="">' +
126 '<span id="csHere">' + snum + '<\/span> ' +
127 '<span id="csSep">\/<\/span> ' +
128 '<span id="csTotal">' + (smax-1) + '<\/span>' +
132 cs.style.visibility = 'hidden';
134 cs.style.visibility = 'visible';
139 if (document.getElementById('slideProj').disabled || step == 0) return;
140 var jl = document.getElementById('jumplist');
141 var cid = 'slide' + snum;
142 var ce = document.getElementById(cid);
143 if (incrementals[snum].length > 0) {
144 for (var i = 0; i < incrementals[snum].length; i++) {
145 removeClass(incrementals[snum][i], 'current');
146 removeClass(incrementals[snum][i], 'incremental');
152 if (snum > lmax) snum = lmax;
153 if (snum < 0) snum = 0;
155 snum = parseInt(jl.value);
156 var nid = 'slide' + snum;
157 var ne = document.getElementById(nid);
159 ne = document.getElementById('slide0');
162 if (step < 0) {incpos = incrementals[snum].length} else {incpos = 0;}
163 if (incrementals[snum].length > 0 && incpos == 0) {
164 for (var i = 0; i < incrementals[snum].length; i++) {
165 if (hasClass(incrementals[snum][i], 'current'))
168 addClass(incrementals[snum][i], 'incremental');
171 if (incrementals[snum].length > 0 && incpos > 0)
172 addClass(incrementals[snum][incpos - 1], 'current');
173 if (isOp) { //hallvord
176 ce.style.visibility = 'hidden';
177 ne.style.visibility = 'visible';
179 jl.selectedIndex = snum;
186 function goTo(target) {
187 if (target >= smax || target == snum) return;
191 function subgo(step) {
193 removeClass(incrementals[snum][incpos - 1],'current');
194 removeClass(incrementals[snum][incpos], 'incremental');
195 addClass(incrementals[snum][incpos],'current');
199 removeClass(incrementals[snum][incpos],'current');
200 addClass(incrementals[snum][incpos], 'incremental');
201 addClass(incrementals[snum][incpos - 1],'current');
207 var slideColl = GetElementsWithClassName('*','slide');
208 var slides = document.getElementById('slideProj');
209 var outline = document.getElementById('outlineStyle');
210 if (!slides.disabled) {
211 slides.disabled = true;
212 outline.disabled = false;
215 for (var n = 0; n < smax; n++) {
216 var slide = slideColl[n];
217 slide.style.visibility = 'visible';
220 slides.disabled = false;
221 outline.disabled = true;
224 for (var n = 0; n < smax; n++) {
225 var slide = slideColl[n];
226 slide.style.visibility = 'hidden';
228 slideColl[snum].style.visibility = 'visible';
232 function showHide(action) {
233 var obj = GetElementsWithClassName('*','hideme')[0];
235 case 's': obj.style.visibility = 'visible'; break;
236 case 'h': obj.style.visibility = 'hidden'; break;
238 if (obj.style.visibility != 'visible') {
239 obj.style.visibility = 'visible';
241 obj.style.visibility = 'hidden';
247 // 'keys' code adapted from MozPoint (http://mozpoint.mozdev.org/)
251 key.which = key.keyCode;
253 if (key.which == 84) {
261 if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return;
262 if (key.target && isParentOrSelf(key.target, 'controls')) return;
263 if(number != undef) {
268 case 34: // page down
271 if(number != undef) {
273 } else if (!incrementals[snum] || incpos >= incrementals[snum].length) {
282 if(number != undef) {
284 } else if (!incrementals[snum] || incpos <= 0) {
303 if (key.which < 48 || key.which > 57) {
306 if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return;
307 if (key.target && isParentOrSelf(key.target, 'controls')) return;
308 number = (((number != undef) ? number : 0) * 10) + (key.which - 48);
314 function clicker(e) {
318 target = window.event.srcElement;
320 } else target = e.target;
321 if (target.href != null || hasValue(target.rel, 'external') || isParentOrSelf(target, 'controls') || isParentOrSelf(target,'embed') || isParentOrSelf(target,'object')) return true;
322 if (!e.which || e.which == 1) {
323 if (!incrementals[snum] || incpos >= incrementals[snum].length) {
331 function findSlide(hash) {
333 var slides = GetElementsWithClassName('*','slide');
334 for (var i = 0; i < slides.length; i++) {
335 var targetSlide = slides[i];
336 if ( (targetSlide.name && targetSlide.name == hash)
337 || (targetSlide.id && targetSlide.id == hash) ) {
338 target = targetSlide;
342 while(target != null && target.nodeName != 'BODY') {
343 if (hasClass(target, 'slide')) {
344 return parseInt(target.id.slice(5));
346 target = target.parentNode;
351 function slideJump() {
352 if (window.location.hash == null) return;
353 var sregex = /^#slide(\d+)$/;
354 var matches = sregex.exec(window.location.hash);
356 if (matches != null) {
357 dest = parseInt(matches[1]);
359 dest = findSlide(window.location.hash.slice(1));
365 function fixLinks() {
366 var thisUri = window.location.href;
367 thisUri = thisUri.slice(0, thisUri.length - window.location.hash.length);
368 var aelements = document.getElementsByTagName('A');
369 for (var i = 0; i < aelements.length; i++) {
370 var a = aelements[i].href;
371 var slideID = a.match('\#slide[0-9]{1,2}');
372 if ((slideID) && (slideID[0].slice(0,1) == '#')) {
373 var dest = findSlide(slideID[0].slice(1));
375 if (aelements[i].addEventListener) {
376 aelements[i].addEventListener("click", new Function("e",
377 "if (document.getElementById('slideProj').disabled) return;" +
378 "go("+dest+" - snum); " +
379 "if (e.preventDefault) e.preventDefault();"), true);
380 } else if (aelements[i].attachEvent) {
381 aelements[i].attachEvent("onclick", new Function("",
382 "if (document.getElementById('slideProj').disabled) return;" +
383 "go("+dest+" - snum); " +
384 "event.returnValue = false;"));
391 function externalLinks() {
392 if (!document.getElementsByTagName) return;
393 var anchors = document.getElementsByTagName('a');
394 for (var i=0; i<anchors.length; i++) {
395 var anchor = anchors[i];
396 if (anchor.getAttribute('href') && hasValue(anchor.rel, 'external')) {
397 anchor.target = '_blank';
398 addClass(anchor,'external');
403 function permaLink() {
404 document.getElementById('plink').href = window.location.pathname + '#slide' + snum;
407 function createControls() {
408 var controlsDiv = document.getElementById("controls");
409 if (!controlsDiv) return;
410 var hider = ' onmouseover="showHide(\'s\');" onmouseout="showHide(\'h\');"';
411 var hideDiv, hideList = '';
412 if (controlVis == 'hidden') {
417 controlsDiv.innerHTML = '<form action="#" id="controlForm"' + hideDiv + '>' +
418 '<div id="navLinks">' +
419 '<a accesskey="n" id="show-notes" href="javascript:createNotesWindow();" title="Show Notes">≡<\/a>' +
420 '<a accesskey="t" id="toggle" href="javascript:toggle();">Ø<\/a>' +
421 '<a accesskey="z" id="prev" href="javascript:go(-1);">«<\/a>' +
422 '<a accesskey="x" id="next" href="javascript:go(1);">»<\/a>' +
423 '<div id="navList"' + hideList + '><select id="jumplist" onchange="go(\'j\');"><\/select><\/div>' +
425 if (controlVis == 'hidden') {
426 var hidden = document.getElementById('navLinks');
428 var hidden = document.getElementById('jumplist');
430 addClass(hidden,'hideme');
433 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
434 if (!s5mode) return false;
435 var vScale = 48; // both yield 16 (the usual browser default) at 1024x768
436 var hScale = 64; // perhaps should auto-calculate based on theme's declared value?
437 if (window.innerHeight) {
438 var vSize = window.innerHeight;
439 var hSize = window.innerWidth;
440 } else if (document.documentElement.clientHeight) {
441 var vSize = document.documentElement.clientHeight;
442 var hSize = document.documentElement.clientWidth;
443 } else if (document.body.clientHeight) {
444 var vSize = document.body.clientHeight;
445 var hSize = document.body.clientWidth;
447 var vSize = 700; // assuming 1024x768, minus chrome and such
448 var hSize = 1024; // these do not account for kiosk mode or Opera Show
450 var newSize = Math.min(Math.round(vSize/vScale),Math.round(hSize/hScale));
451 fontSize(newSize + 'px');
452 if (isGe) { // hack to counter incremental reflow bugs
453 var obj = document.getElementsByTagName('body')[0];
454 obj.style.display = 'none';
455 obj.style.display = 'block';
459 function fontSize(value) {
460 if (!(s5ss = document.getElementById('s5ss'))) {
461 if (!document.createStyleSheet) {
462 document.getElementsByTagName('head')[0].appendChild(s5ss = document.createElement('style'));
463 s5ss.setAttribute('media','screen, projection');
464 s5ss.setAttribute('id','s5ss');
466 document.createStyleSheet();
467 document.s5ss = document.styleSheets[document.styleSheets.length - 1];
470 if (!(document.s5ss && document.s5ss.addRule)) {
471 while (s5ss.lastChild) s5ss.removeChild(s5ss.lastChild);
472 s5ss.appendChild(document.createTextNode('html {font-size: ' + value + ' !important;}'));
474 document.s5ss.addRule('html','font-size: ' + value + ' !important;');
478 function notOperaFix() {
479 slideCSS = document.getElementById('slideProj').href;
480 var slides = document.getElementById('slideProj');
481 var outline = document.getElementById('outlineStyle');
482 slides.setAttribute('media','screen');
483 outline.disabled = true;
485 slides.setAttribute('href','null'); // Gecko fix
486 slides.setAttribute('href',slideCSS); // Gecko fix
488 if (isIE && document.styleSheets && document.styleSheets[0]) {
489 document.styleSheets[0].addRule('img', 'behavior: url(ui/default/iepngfix.htc)');
490 document.styleSheets[0].addRule('div', 'behavior: url(ui/default/iepngfix.htc)');
491 document.styleSheets[0].addRule('.slide', 'behavior: url(ui/default/iepngfix.htc)');
495 function getIncrementals(obj) {
496 var incrementals = new Array();
499 var children = obj.childNodes;
500 for (var i = 0; i < children.length; i++) {
501 var child = children[i];
502 if (hasClass(child, 'incremental')) {
503 if (child.nodeName == 'OL' || child.nodeName == 'UL') {
504 removeClass(child, 'incremental');
505 for (var j = 0; j < child.childNodes.length; j++) {
506 if (child.childNodes[j].nodeType == 1) {
507 addClass(child.childNodes[j], 'incremental');
511 incrementals[incrementals.length] = child;
512 removeClass(child,'incremental');
515 if (hasClass(child, 'show-first')) {
516 if (child.nodeName == 'OL' || child.nodeName == 'UL') {
517 removeClass(child, 'show-first');
518 if (child.childNodes[isGe].nodeType == 1) {
519 removeClass(child.childNodes[isGe], 'incremental');
522 incrementals[incrementals.length] = child;
525 incrementals = incrementals.concat(getIncrementals(child));
530 function createIncrementals() {
531 var incrementals = new Array();
532 for (var i = 0; i < smax; i++) {
533 incrementals[i] = getIncrementals(document.getElementById('slide'+i));
538 function defaultCheck() {
539 var allMetas = document.getElementsByTagName('meta');
540 for (var i = 0; i< allMetas.length; i++) {
541 if (allMetas[i].name == 'defaultView') {
542 defaultView = allMetas[i].content;
544 if (allMetas[i].name == 'controlVis') {
545 controlVis = allMetas[i].content;
550 // Key trap fix, new function body for trap()
557 modifierKey = e.ctrlKey || e.altKey || e.metaKey;
562 return modifierKey || e.which == 0;
565 function noteLabel() { // Gives notes id's to match parent slides
566 var notes = GetElementsWithClassName('div','notes');
567 for (var i = 0; i < notes.length; i++) {
569 var id = 'note' + note.parentNode.id.substring(5);
570 note.setAttribute('id',id);
573 resetRemainingTime();
574 window.setInterval('updateElaspedTime()', 1000);
577 function createNotesWindow() { // creates a window for our notes
578 if (!s5NotesWindow || s5NotesWindow.closed) { // Create the window if it doesn't exist
579 s5NotesWindowLoaded = false;
580 // Note: Safari has a tendency to ignore window options preferring to default to the settings of the parent window, grr.
581 s5NotesWindow = window.open('ui/s5-notes.html', 's5NotesWindow', 'top=0,left=0');
583 if (s5NotesWindowLoaded) { // Load the current note if the Note HTML has loaded
585 } else { // Keep trying...
586 window.setTimeout('createNotesWindow()', 50);
590 function loadNote() {
591 // Loads a note into the note window
592 var notes = nextNotes = '<em class="disclaimer">There are no notes for this slide.</em>';
593 if (document.getElementById('note' + snum)) {
594 notes = document.getElementById('note' + snum).innerHTML;
596 if (document.getElementById('note' + (snum + 1))) {
597 nextNotes = document.getElementById('note' + (snum + 1)).innerHTML;
600 var jl = document.getElementById('jumplist');
601 var slideTitle = jl.options[jl.selectedIndex].text.replace(/^\d+\s+:\s+/, '') + ((jl.selectedIndex) ? ' (' + jl.selectedIndex + '/' + (smax - 1) + ')' : '');
602 if (incrementals[snum].length > 0) {
604 slideTitle += ' <small>[' + incpos + '/' + incrementals[snum].length + ']</small>';
606 if (jl.selectedIndex < smax - 1) {
607 var nextTitle = jl.options[jl.selectedIndex + 1].text.replace(/^\d+\s+:\s+/, '') + ((jl.selectedIndex + 1) ? ' (' + (jl.selectedIndex + 1) + '/' + (smax - 1) + ')' : '');
609 var nextTitle = '[end of slide show]';
612 if (s5NotesWindow && !s5NotesWindow.closed && s5NotesWindow.document) {
613 s5NotesWindow.document.getElementById('slide').innerHTML = slideTitle;
614 s5NotesWindow.document.getElementById('notes').innerHTML = notes;
615 s5NotesWindow.document.getElementById('next').innerHTML = nextTitle;
616 s5NotesWindow.document.getElementById('nextnotes').innerHTML = nextNotes;
621 function minimizeTimer(id) {
622 var obj = s5NotesWindow.document.getElementById(id);
623 if (hasClass(obj,'collapsed')) {
624 removeClass(obj,'collapsed');
626 addClass(obj,'collapsed');
630 function resetElapsedTime() {
631 presentationStart = new Date();
632 slideStart = new Date();
636 function resetElapsedSlide() {
637 if (snum != previousSlide) {
638 slideStart = new Date();
639 previousSlide = snum;
644 function updateElaspedTime() {
645 if (!s5NotesWindowLoaded || !s5NotesWindow || s5NotesWindow.closed) return;
646 var now = new Date();
647 var ep = s5NotesWindow.document.getElementById('elapsed-presentation');
648 var es = s5NotesWindow.document.getElementById('elapsed-slide');
649 ep.innerHTML = formatTime(now.valueOf() - presentationStart.valueOf());
650 es.innerHTML = formatTime(now.valueOf() - slideStart.valueOf());
653 function resetRemainingTime() {
654 if (!s5NotesWindowLoaded || !s5NotesWindow || s5NotesWindow.closed) return;
655 var startField = s5NotesWindow.document.getElementById('startFrom');
656 startFrom = readTime(startField.value);
657 countdown.remaining = startFrom * 60000; // convert to msecs
658 countdown.start = new Date().valueOf();
659 countdown.end = countdown.start + countdown.remaining;
660 var tl = s5NotesWindow.document.getElementById('timeLeft');
661 var timeLeft = formatTime(countdown.remaining);
662 tl.innerHTML = timeLeft;
665 function updateRemainingTime() {
666 if (!s5NotesWindowLoaded || !s5NotesWindow || s5NotesWindow.closed) return;
667 var tl = s5NotesWindow.document.getElementById('timeLeft');
668 var now = new Date();
669 if (countdown.state == 'run') {
670 countdown.remaining = countdown.end - now;
673 tl.style.backgroundColor = '';
674 if (countdown.remaining >= 0) {
675 var timeLeft = formatTime(countdown.remaining);
676 removeClass(tl,'overtime');
677 if (countdown.remaining < 300000) {
678 tl.style.color = 'rgb(' + (255-Math.round(countdown.remaining/2000)) + ',0,0)';
679 tl.style.backgroundColor = 'rgb(255,255,' + (Math.round(countdown.remaining/2000)) + ')';
682 var timeLeft = '-' + formatTime(-countdown.remaining);
683 addClass(tl,'overtime');
685 tl.innerHTML = timeLeft;
688 function toggleRemainingTime() {
689 if (countdown.state == 'pause') countdown.state = 'run'; else countdown.state = 'pause';
690 if (countdown.state == 'pause') {
691 window.clearInterval(countdown.timer);
693 if (countdown.state == 'run') {
694 countdown.start = new Date().valueOf();
695 countdown.end = countdown.start + countdown.remaining;
696 countdown.timer = window.setInterval('updateRemainingTime()', 1000);
700 function alterRemainingTime(amt) {
701 var change = amt * 60000; // convert to msecs
702 countdown.end += change;
703 countdown.remaining += change;
704 updateRemainingTime();
707 function formatTime(msecs) {
708 var time = new Date(msecs);
710 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...
711 hrs = (hrs < 10) ? '0'+hrs : hrs;
712 if (hrs == 'NaN' || isNaN(hrs)) hrs = '--';
714 var min = time.getUTCMinutes();
715 min = (min < 10) ? '0'+min : min;
716 if (min == 'NaN' || isNaN(min)) min = '--';
718 var sec = time.getUTCSeconds();
719 sec = (sec < 10) ? '0'+sec : sec;
720 if (sec == 'NaN' || isNaN(sec)) sec = '--';
722 return hrs + ':' + min + ':' + sec;
725 function readTime(val) {
727 var matches = sregex.exec(val);
728 if (matches == null) {
731 var times = val.split(':');
732 var hours = parseInt(times[0]);
733 var mins = parseInt(times[1]);
734 var total = (hours * 60) + mins;
739 function windowChange() {
745 createControls(); // hallvord
747 incrementals = createIncrementals();
748 noteLabel(); // [SI:060104] must follow slideLabel()
753 if (!isOp) notOperaFix();
755 if (defaultView == 'outline') {
758 document.onkeyup = keys;
759 document.onkeypress = trap;
760 document.onclick = clicker;
763 window.onload = startup;
764 window.onresize = function(){setTimeout('windowChange()',5);}