| // S5 v1.1 slides.js -- released into the Public Domain |
| // Modified for Docutils (http://docutils.sf.net) by David Goodger |
| // |
| // 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 slideIDs = new Array(); |
| var incpos = 0; |
| var number = undef; |
| var s5mode = true; |
| var defaultView = 'slideshow'; |
| var controlVis = 'visible'; |
| |
| var isIE = navigator.appName == 'Microsoft Internet Explorer' ? 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) 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(); |
| if (obj.getAttribute('id')) { |
| slideIDs[n] = obj.getAttribute('id'); |
| } |
| else { |
| obj.setAttribute('id',did); |
| slideIDs[n] = did; |
| } |
| if (isOp) continue; |
| |
| 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; |
| var footer_nodes; |
| var vis = 'visible'; |
| if (document.getElementById) { |
| cs = document.getElementById('currentSlide'); |
| footer_nodes = document.getElementById('footer').childNodes; |
| } else { |
| cs = document.currentSlide; |
| footer = document.footer.childNodes; |
| } |
| cs.innerHTML = '<span id="csHere">' + snum + '<\/span> ' + |
| '<span id="csSep">\/<\/span> ' + |
| '<span id="csTotal">' + (smax-1) + '<\/span>'; |
| if (snum == 0) { |
| vis = 'hidden'; |
| } |
| cs.style.visibility = vis; |
| for (var i = 0; i < footer_nodes.length; i++) { |
| if (footer_nodes[i].nodeType == 1) { |
| footer_nodes[i].style.visibility = vis; |
| } |
| } |
| } |
| |
| function go(step) { |
| if (document.getElementById('slideProj').disabled || step == 0) return; |
| var jl = document.getElementById('jumplist'); |
| var cid = slideIDs[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 = slideIDs[snum]; |
| var ne = document.getElementById(nid); |
| if (!ne) { |
| ne = document.getElementById(slideIDs[0]); |
| 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'); |
| ce.style.visibility = 'hidden'; |
| ne.style.visibility = 'visible'; |
| jl.selectedIndex = snum; |
| currentSlide(); |
| number = 0; |
| } |
| |
| 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'); |
| } |
| } |
| |
| 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; |
| } |
| 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 = document.getElementById(hash); |
| if (target) { |
| for (var i = 0; i < slideIDs.length; i++) { |
| if (target.id == slideIDs[i]) return i; |
| } |
| } |
| return null; |
| } |
| |
| function slideJump() { |
| if (window.location.hash == null || window.location.hash == '') { |
| currentSlide(); |
| return; |
| } |
| if (window.location.hash == null) return; |
| var dest = null; |
| dest = findSlide(window.location.hash.slice(1)); |
| if (dest == null) { |
| dest = 0; |
| } |
| 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('\#.+'); |
| 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 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="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 = 22; // both yield 32 (after rounding) at 1024x768 |
| var hScale = 32; // 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 (!isIE) { |
| 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 (!isIE) { |
| while (s5ss.lastChild) s5ss.removeChild(s5ss.lastChild); |
| s5ss.appendChild(document.createTextNode('body {font-size: ' + value + ' !important;}')); |
| } else { |
| document.s5ss.addRule('body','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(slideIDs[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 startup() { |
| defaultCheck(); |
| if (!isOp) createControls(); |
| slideLabel(); |
| fixLinks(); |
| externalLinks(); |
| fontScale(); |
| if (!isOp) { |
| notOperaFix(); |
| incrementals = createIncrementals(); |
| slideJump(); |
| if (defaultView == 'outline') { |
| toggle(); |
| } |
| document.onkeyup = keys; |
| document.onkeypress = trap; |
| document.onclick = clicker; |
| } |
| } |
| |
| window.onload = startup; |
| window.onresize = function(){setTimeout('fontScale()', 50);} |