+// S5 v1.1 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 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) 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;
+
+ 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 = '<span id="csHere">' + snum + '<\/span> ' +
+ '<span id="csSep">\/<\/span> ' +
+ '<span id="csTotal">' + (smax-1) + '<\/span>';
+ 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');
+ 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.getAttribute('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 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('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 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);}
\ No newline at end of file
fnp / wolnelektury.git / commitdiff
