1 // S5 v1.1 slides.js -- released under CC by-sa 2.0 license
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!
12 var slideCSS = document.getElementById('slideProj').href;
13 var defaultView = 'slideshow';
14 var controlVis = 'visible';
16 var isIE = navigator.appName == 'Microsoft Internet Explorer' ? 1 : 0;
17 var isOp = navigator.userAgent.indexOf('Opera') > -1 ? 1 : 0;
18 var isGe = navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('Safari') < 1 ? 1 : 0;
20 function hasClass(object, className) {
21 if (!object.className) return false;
22 return (object.className.search('(^|\\s)' + className + '(\\s|$)') != -1);
25 function hasValue(object, value) {
26 if (!object) return false;
27 return (object.search('(^|\\s)' + value + '(\\s|$)') != -1);
30 function removeClass(object,className) {
32 object.className = object.className.replace(new RegExp('(^|\\s)'+className+'(\\s|$)'), RegExp.$1+RegExp.$2);
35 function addClass(object,className) {
36 if (!object || hasClass(object, className)) return;
37 if (object.className) {
38 object.className += ' '+className;
40 object.className = className;
44 function GetElementsWithClassName(elementName,className) {
45 var allElements = document.getElementsByTagName(elementName);
46 var elemColl = new Array();
47 for (var i = 0; i< allElements.length; i++) {
48 if (hasClass(allElements[i], className)) {
49 elemColl[elemColl.length] = allElements[i];
55 function isParentOrSelf(element, id) {
56 if (element == null || element.nodeName=='BODY') return false;
57 else if (element.id == id) return true;
58 else return isParentOrSelf(element.parentNode, id);
61 function nodeValue(node) {
63 if (node.nodeType == 1) {
64 var children = node.childNodes;
65 for (var i = 0; i < children.length; ++i) {
66 result += nodeValue(children[i]);
69 else if (node.nodeType == 3) {
70 result = node.nodeValue;
75 function slideLabel() {
76 var slideColl = GetElementsWithClassName('*','slide');
77 var list = document.getElementById('jumplist');
78 smax = slideColl.length;
79 for (var n = 0; n < smax; n++) {
80 var obj = slideColl[n];
82 var did = 'slide' + n.toString();
83 obj.setAttribute('id',did);
87 var menu = obj.firstChild;
88 if (!menu) continue; // to cope with empty slides
89 while (menu && menu.nodeType == 3) {
90 menu = menu.nextSibling;
92 if (!menu) continue; // to cope with slides with only text nodes
94 var menunodes = menu.childNodes;
95 for (var o = 0; o < menunodes.length; o++) {
96 otext += nodeValue(menunodes[o]);
98 list.options[list.length] = new Option(n + ' : ' + otext, n);
102 function currentSlide() {
104 if (document.getElementById) {
105 cs = document.getElementById('currentSlide');
107 cs = document.currentSlide;
109 cs.innerHTML = '<span id="csHere">' + snum + '<\/span> ' +
110 '<span id="csSep">\/<\/span> ' +
111 '<span id="csTotal">' + (smax-1) + '<\/span>';
113 cs.style.visibility = 'hidden';
115 cs.style.visibility = 'visible';
120 if (document.getElementById('slideProj').disabled || step == 0) return;
121 var jl = document.getElementById('jumplist');
122 var cid = 'slide' + snum;
123 var ce = document.getElementById(cid);
124 if (incrementals[snum].length > 0) {
125 for (var i = 0; i < incrementals[snum].length; i++) {
126 removeClass(incrementals[snum][i], 'current');
127 removeClass(incrementals[snum][i], 'incremental');
133 if (snum > lmax) snum = lmax;
134 if (snum < 0) snum = 0;
136 snum = parseInt(jl.value);
137 var nid = 'slide' + snum;
138 var ne = document.getElementById(nid);
140 ne = document.getElementById('slide0');
143 if (step < 0) {incpos = incrementals[snum].length} else {incpos = 0;}
144 if (incrementals[snum].length > 0 && incpos == 0) {
145 for (var i = 0; i < incrementals[snum].length; i++) {
146 if (hasClass(incrementals[snum][i], 'current'))
149 addClass(incrementals[snum][i], 'incremental');
152 if (incrementals[snum].length > 0 && incpos > 0)
153 addClass(incrementals[snum][incpos - 1], 'current');
154 ce.style.visibility = 'hidden';
155 ne.style.visibility = 'visible';
156 jl.selectedIndex = snum;
161 function goTo(target) {
162 if (target >= smax || target == snum) return;
166 function subgo(step) {
168 removeClass(incrementals[snum][incpos - 1],'current');
169 removeClass(incrementals[snum][incpos], 'incremental');
170 addClass(incrementals[snum][incpos],'current');
174 removeClass(incrementals[snum][incpos],'current');
175 addClass(incrementals[snum][incpos], 'incremental');
176 addClass(incrementals[snum][incpos - 1],'current');
181 var slideColl = GetElementsWithClassName('div','slide');
182 var slides = document.getElementById('slideProj');
183 var outline = document.getElementById('outlineStyle');
184 if (!slides.disabled) {
185 slides.disabled = true;
186 outline.disabled = false;
189 for (var n = 0; n < smax; n++) {
190 var slide = slideColl[n];
191 slide.style.visibility = 'visible';
194 slides.disabled = false;
195 outline.disabled = true;
198 for (var n = 0; n < smax; n++) {
199 var slide = slideColl[n];
200 slide.style.visibility = 'hidden';
202 slideColl[snum].style.visibility = 'visible';
206 function showHide(action) {
207 var obj = GetElementsWithClassName('*','hideme')[0];
209 case 's': obj.style.visibility = 'visible'; break;
210 case 'h': obj.style.visibility = 'hidden'; break;
212 if (obj.style.visibility != 'visible') {
213 obj.style.visibility = 'visible';
215 obj.style.visibility = 'hidden';
221 // 'keys' code adapted from MozPoint (http://mozpoint.mozdev.org/)
225 key.which = key.keyCode;
227 if (key.which == 84) {
235 if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return;
236 if (key.target && isParentOrSelf(key.target, 'controls')) return;
237 if(number != undef) {
242 case 34: // page down
245 if(number != undef) {
247 } else if (!incrementals[snum] || incpos >= incrementals[snum].length) {
256 if(number != undef) {
258 } else if (!incrementals[snum] || incpos <= 0) {
268 if (key.which < 48 || key.which > 57) {
271 if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return;
272 if (key.target && isParentOrSelf(key.target, 'controls')) return;
273 number = (((number != undef) ? number : 0) * 10) + (key.which - 48);
278 function clicker(e) {
282 target = window.event.srcElement;
284 } else target = e.target;
285 if (target.getAttribute('href') != null || hasValue(target.rel, 'external') || isParentOrSelf(target, 'controls') || isParentOrSelf(target,'embed') || isParentOrSelf(target,'object')) return true;
286 if (!e.which || e.which == 1) {
287 if (!incrementals[snum] || incpos >= incrementals[snum].length) {
295 function findSlide(hash) {
297 var slides = GetElementsWithClassName('*','slide');
298 for (var i = 0; i < slides.length; i++) {
299 var targetSlide = slides[i];
300 if ( (targetSlide.name && targetSlide.name == hash)
301 || (targetSlide.id && targetSlide.id == hash) ) {
302 target = targetSlide;
306 while(target != null && target.nodeName != 'BODY') {
307 if (hasClass(target, 'slide')) {
308 return parseInt(target.id.slice(5));
310 target = target.parentNode;
315 function slideJump() {
316 if (window.location.hash == null) return;
317 var sregex = /^#slide(\d+)$/;
318 var matches = sregex.exec(window.location.hash);
320 if (matches != null) {
321 dest = parseInt(matches[1]);
323 dest = findSlide(window.location.hash.slice(1));
329 function fixLinks() {
330 var thisUri = window.location.href;
331 thisUri = thisUri.slice(0, thisUri.length - window.location.hash.length);
332 var aelements = document.getElementsByTagName('A');
333 for (var i = 0; i < aelements.length; i++) {
334 var a = aelements[i].href;
335 var slideID = a.match('\#slide[0-9]{1,2}');
336 if ((slideID) && (slideID[0].slice(0,1) == '#')) {
337 var dest = findSlide(slideID[0].slice(1));
339 if (aelements[i].addEventListener) {
340 aelements[i].addEventListener("click", new Function("e",
341 "if (document.getElementById('slideProj').disabled) return;" +
342 "go("+dest+" - snum); " +
343 "if (e.preventDefault) e.preventDefault();"), true);
344 } else if (aelements[i].attachEvent) {
345 aelements[i].attachEvent("onclick", new Function("",
346 "if (document.getElementById('slideProj').disabled) return;" +
347 "go("+dest+" - snum); " +
348 "event.returnValue = false;"));
355 function externalLinks() {
356 if (!document.getElementsByTagName) return;
357 var anchors = document.getElementsByTagName('a');
358 for (var i=0; i<anchors.length; i++) {
359 var anchor = anchors[i];
360 if (anchor.getAttribute('href') && hasValue(anchor.rel, 'external')) {
361 anchor.target = '_blank';
362 addClass(anchor,'external');
367 function createControls() {
368 var controlsDiv = document.getElementById("controls");
369 if (!controlsDiv) return;
370 var hider = ' onmouseover="showHide(\'s\');" onmouseout="showHide(\'h\');"';
371 var hideDiv, hideList = '';
372 if (controlVis == 'hidden') {
377 controlsDiv.innerHTML = '<form action="#" id="controlForm"' + hideDiv + '>' +
378 '<div id="navLinks">' +
379 '<a accesskey="t" id="toggle" href="javascript:toggle();">Ø<\/a>' +
380 '<a accesskey="z" id="prev" href="javascript:go(-1);">«<\/a>' +
381 '<a accesskey="x" id="next" href="javascript:go(1);">»<\/a>' +
382 '<div id="navList"' + hideList + '><select id="jumplist" onchange="go(\'j\');"><\/select><\/div>' +
384 if (controlVis == 'hidden') {
385 var hidden = document.getElementById('navLinks');
387 var hidden = document.getElementById('jumplist');
389 addClass(hidden,'hideme');
392 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
393 if (!s5mode) return false;
394 var vScale = 22; // both yield 32 (after rounding) at 1024x768
395 var hScale = 32; // perhaps should auto-calculate based on theme's declared value?
396 if (window.innerHeight) {
397 var vSize = window.innerHeight;
398 var hSize = window.innerWidth;
399 } else if (document.documentElement.clientHeight) {
400 var vSize = document.documentElement.clientHeight;
401 var hSize = document.documentElement.clientWidth;
402 } else if (document.body.clientHeight) {
403 var vSize = document.body.clientHeight;
404 var hSize = document.body.clientWidth;
406 var vSize = 700; // assuming 1024x768, minus chrome and such
407 var hSize = 1024; // these do not account for kiosk mode or Opera Show
409 var newSize = Math.min(Math.round(vSize/vScale),Math.round(hSize/hScale));
410 fontSize(newSize + 'px');
411 if (isGe) { // hack to counter incremental reflow bugs
412 var obj = document.getElementsByTagName('body')[0];
413 obj.style.display = 'none';
414 obj.style.display = 'block';
418 function fontSize(value) {
419 if (!(s5ss = document.getElementById('s5ss'))) {
421 document.getElementsByTagName('head')[0].appendChild(s5ss = document.createElement('style'));
422 s5ss.setAttribute('media','screen, projection');
423 s5ss.setAttribute('id','s5ss');
425 document.createStyleSheet();
426 document.s5ss = document.styleSheets[document.styleSheets.length - 1];
430 while (s5ss.lastChild) s5ss.removeChild(s5ss.lastChild);
431 s5ss.appendChild(document.createTextNode('body {font-size: ' + value + ' !important;}'));
433 document.s5ss.addRule('body','font-size: ' + value + ' !important;');
437 function notOperaFix() {
438 var slides = document.getElementById('slideProj');
439 var outline = document.getElementById('outlineStyle');
440 slides.setAttribute('media','screen');
441 outline.disabled = true;
443 slides.setAttribute('href','null'); // Gecko fix
444 slides.setAttribute('href',slideCSS); // Gecko fix
448 function getIncrementals(obj) {
449 var incrementals = new Array();
452 var children = obj.childNodes;
453 for (var i = 0; i < children.length; i++) {
454 var child = children[i];
455 if (hasClass(child, 'incremental')) {
456 if (child.nodeName == 'OL' || child.nodeName == 'UL') {
457 removeClass(child, 'incremental');
458 for (var j = 0; j < child.childNodes.length; j++) {
459 if (child.childNodes[j].nodeType == 1) {
460 addClass(child.childNodes[j], 'incremental');
464 incrementals[incrementals.length] = child;
465 removeClass(child,'incremental');
468 if (hasClass(child, 'show-first')) {
469 if (child.nodeName == 'OL' || child.nodeName == 'UL') {
470 removeClass(child, 'show-first');
471 if (child.childNodes[isGe].nodeType == 1) {
472 removeClass(child.childNodes[isGe], 'incremental');
475 incrementals[incrementals.length] = child;
478 incrementals = incrementals.concat(getIncrementals(child));
483 function createIncrementals() {
484 var incrementals = new Array();
485 for (var i = 0; i < smax; i++) {
486 incrementals[i] = getIncrementals(document.getElementById('slide'+i));
491 function defaultCheck() {
492 var allMetas = document.getElementsByTagName('meta');
493 for (var i = 0; i< allMetas.length; i++) {
494 if (allMetas[i].name == 'defaultView') {
495 defaultView = allMetas[i].content;
497 if (allMetas[i].name == 'controlVis') {
498 controlVis = allMetas[i].content;
503 // Key trap fix, new function body for trap()
510 modifierKey = e.ctrlKey || e.altKey || e.metaKey;
515 return modifierKey || e.which == 0;
520 if (!isOp) createControls();
527 incrementals = createIncrementals();
529 if (defaultView == 'outline') {
532 document.onkeyup = keys;
533 document.onkeypress = trap;
534 document.onclick = clicker;
539 //IE/Win PNG transparency hack -- ONLY WORKS FOR FOREGROUND IMAGES!
541 @if (@_win16 != @_win16)
544 @if (@_win32 != @_win32)
547 @if (@_jscript_version >= 5.5 && (@_win32 || @_win16))
549 'onload', function() {
550 for (var i = 0; i < document.images.length; i++) {
551 var img = document.images[i];
552 var len = img.src.length;
553 if ('.PNG' == img.src.substring(len - 4, len).toUpperCase()) {
556 ,className: img.className
557 ,title: (img.title) ? img.title : img.alt
558 ,style: 'display:inline-block;width:'
559 + img.width + 'px;height:' + img.height + 'px;'
560 + 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\''
561 + img.src + '\',sizingMethod=\'scale\');'
562 ,toString: function() {
564 + ((this.id) ? 'id="' + this.id + '" ' : '')
565 + ((this.className) ? 'class="' + this.className + '" ' : '')
566 + 'title="' + this.title + '" '
567 + 'style="' + this.style + '"><\/span>';
570 if ('left' == img.align)
571 span.style += 'float:left;';
572 if ('right' == img.align)
573 span.style += 'float:right;';
574 if (img.parentElement.href)
575 span.style += 'cursor:hand;';
576 if (0 != img.style.cssText.length)
577 span.style = img.currentStyle + ';' + span.style;
578 img.outerHTML = span + '';
586 window.onload = startup;
587 window.onresize = function(){setTimeout('fontScale()', 50);}