move to django 1.4 and django-pipeline,
[wolnelektury.git] / wolnelektury / static / js / slides.js
diff --git a/wolnelektury/static/js/slides.js b/wolnelektury/static/js/slides.js
deleted file mode 100644 (file)
index 38fe853..0000000
+++ /dev/null
@@ -1,553 +0,0 @@
-// 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();">&#216;<\/a>' +
-       '<a accesskey="z" id="prev" href="javascript:go(-1);">&laquo;<\/a>' +
-       '<a accesskey="x" id="next" href="javascript:go(1);">&raquo;<\/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);}
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