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-rw-r--r--demos/TransQuiz/support.js285
1 files changed, 0 insertions, 285 deletions
diff --git a/demos/TransQuiz/support.js b/demos/TransQuiz/support.js
deleted file mode 100644
index 562bab96a..000000000
--- a/demos/TransQuiz/support.js
+++ /dev/null
@@ -1,285 +0,0 @@
-/* --- Accessing document elements ------------------------------------------ */
-
-function element(id) {
- return document.getElementById(id);
-}
-
-/* --- JavaScript tricks ---------------------------------------------------- */
-
-// To be able to object methods that refer to "this" as callbacks
-// See section 3.3 of https://github.com/spencertipping/js-in-ten-minutes/raw/master/js-in-ten-minutes.pdf
-function bind(f, this_value) {
- return function () {return f.apply (this_value, arguments)};
-};
-
-/* --- JSONP ---------------------------------------------------------------- */
-
-// Inspired by the function jsonp from
-// http://www.west-wind.com/Weblog/posts/107136.aspx
-// See also http://niryariv.wordpress.com/2009/05/05/jsonp-quickly/
-// http://en.wikipedia.org/wiki/JSON#JSONP
-function jsonp(url,callback)
-{
- if (url.indexOf("?") > -1)
- url += "&jsonp="
- else
- url += "?jsonp="
- url += callback;
- //url += "&" + new Date().getTime().toString(); // prevent caching
-
- var script = empty("script");
- script.setAttribute("src",url);
- script.setAttribute("type","text/javascript");
- document.body.appendChild(script);
-}
-
-var json = {next:0};
-
-// Like jsonp, but instead of passing the name of the ballback function, you
-// pass the callback function directly, making it possible to use anonymous
-// functions.
-function jsonpf(url,callback)
-{
- var name="callback"+(json.next++);
- json[name]=function(x) { delete json[name]; callback(x); }
- jsonp(url,"json."+name);
-}
-
-/* --- AJAX ----------------------------------------------------------------- */
-
-function GetXmlHttpObject(handler)
-{
- var objXMLHttp=null
- if (window.XMLHttpRequest)
- {
- objXMLHttp=new XMLHttpRequest()
- }
- else if (window.ActiveXObject)
- {
- objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
- }
- return objXMLHttp
-}
-
-function ajax_http_get(url,callback) {
- var http=GetXmlHttpObject()
- if (http==null) {
- alert ("Browser does not support HTTP Request")
- return
- }
- var statechange=function() {
- if (http.readyState==4 || http.readyState=="complete") {
- if(http.status==200) callback(http.responseText);
- else alert("Request for "+url+" failed: "
- +http.status+" "+http.statusText);
- }
- }
- http.onreadystatechange=statechange;
- http.open("GET",url,true)
- http.send(null)
- //dump("http get "+url+"\n")
- return http
-}
-
-// JSON via AJAX
-function ajax_http_get_json(url,cont) {
- ajax_http_get(url,function(txt) { cont(eval("("+txt+")")); });
-}
-
-function sameOrigin(url) {
- return hasPrefix(url,location.protocol+"//"+location.host+"/");
-}
-
-// Use AJAX when possible, fallback to JSONP
-function http_get_json(url,cont) {
- if(sameOrigin(url)) ajax_http_get_json(url,cont);
- else jsonpf(url,cont);
-}
-
-
-/* --- HTML construction ---------------------------------------------------- */
-function text(s) { return document.createTextNode(s); }
-
-function node(tag,as,ds) {
- var n=document.createElement(tag);
- for(var a in as) n.setAttribute(a,as[a]);
- for(var i in ds) n.appendChild(ds[i]);
- return n;
-}
-
-function empty(tag,name,value) {
- var el=node(tag,{},[])
- if(name && value) el.setAttribute(name,value);
- return el;
-}
-
-function empty_id(tag,id) { return empty(tag,"id",id); }
-function empty_class(tag,cls) { return empty(tag,"class",cls); }
-
-function div_id(id) { return empty_id("div",id); }
-function span_id(id) { return empty_id("span",id); }
-
-function wrap(tag,contents) { return node(tag,{},[contents]); }
-
-function wrap_class(tag,cls,contents) {
- var el=empty_class(tag,cls);
- if(contents) el.appendChild(contents);
- return el;
-}
-
-function span_class(cls,contents) { return wrap_class("span",cls,contents); }
-function div_class(cls,contents) { return wrap_class("div",cls,contents); }
-
-function p(contents) { return wrap("p",contents); }
-function dt(contents) { return wrap("dt",contents); }
-function li(contents) { return wrap("li",contents); }
-
-function th(contents) { return wrap("th",contents); }
-function td(contents) { return wrap("td",contents); }
-
-function tr(cells) { return node("tr",{},cells); }
-
-//modified for quiz (id added)
-function button(label,action,key ,id) {
- var el=node("input",{"type":"button","value":label},[]);
- if(typeof action=="string") el.setAttribute("onclick",action);
- else el.onclick=action;
- if(key) el.setAttribute("accesskey",key);
- if(id) el.setAttribute("id",id);
- return el;
-}
-
-//added for quiz
-function submit_button(label, id) {
- var el=empty("input","type","submit");
- el.setAttribute("value",label);
- if(id) el.setAttribute("id", id);
- return el;
-}
-
-function option(label,value) {
- return node("option",{"value":value},[text(label)]);
-}
-
-function appendChildren(el,ds) {
- for(var i in ds) el.appendChild(ds[i]);
- return el;
-}
-
-function insertFirst(parent,child) {
- parent.insertBefore(child,parent.firstChild);
-}
-
-function tda(cs) { return node("td",{},cs); }
-
-function img(src) { return empty("img","src",src); }
-
-/* --- Debug ---------------------------------------------------------------- */
-
-function debug(s) {
- var d=element("debug");
- if(d) d.appendChild(text(s+"\n"))
-}
-
-function show_props(obj, objName) {
- var result = "";
- for (var i in obj) {
- result += objName + "." + i + " = " + obj[i] + "<br>";
- }
- return result;
-}
-
-function field_names(obj) {
- var result = "";
- for (var i in obj) {
- result += " " + i;
- }
- return result;
-}
-
-/* --- Data manipulation ---------------------------------------------------- */
-function swap(a,i,j) { // Note: this doesn't work on strings.
- var tmp=a[i];
- a[i]=a[j];
- a[j]=tmp;
- return a;
-}
-
-function sort(a) {
-// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Global_Objects/Array/sort
- return a.sort();
- /* // Note: this doesn't work on strings.
- for(var i=0;i<a.length-1;i++) {
- var min=i;
- for(var j=i+1;j<a.length;j++)
- if(a[j]<a[min]) min=j;
- if(min!=i) swap(a,i,min);
- }
- return a;
- */
-}
-
-function filter(p,xs) {
- var ys=[];
- for(var i=0;i<xs.length;i++)
- if(p(xs[i])) ys[ys.length]=xs[i];
- return ys;
-}
-
-function implode(cs) { // array of strings to string
- /*
- var s="";
- for(var i=0;i<cs.length;i++)
- s+=cs[i];
- return s;
- */
- return cs.join("");
-}
-
-function hasPrefix(s,pre) { return s.substr(0,pre.length)==pre; }
-
-function commonPrefix(s1,s2) {
- for(var i=0;i<s1.length && i<s2.length && s1[i]==s2[i];i++);
- return s1.substr(0,i);
-}
-
-/*
-function all(p,xs) {
- for(var i=0;i<xs.length;i++)
- if(!p(xs[i])) return false;
- return true;
-}
-*/
-
-function map(f,xs) {
- var ys=[];
- for(var i=0;i<xs.length;i++) ys[i]=f(xs[i]);
- return ys;
-}
-
-// map in continuation passing style
-function mapc(f,xs,cont) { mapc_from(f,xs,0,[],cont); }
-
-function mapc_from(f,xs,i,ys,cont) {
- if(i<xs.length)
- f(xs[i],function(y){ys[i]=y;mapc_from(f,xs,i+1,ys,cont)});
- else
- cont(ys);
-}
-
-function overlaps(as,bs) {
- for(var i=0;i<as.length;i++)
- if(elem(as[i],bs)) return true;
- return false;
-}
-
-function elem(a,as) {
- for(var i=0;i<as.length;i++)
- if(a==as[i]) return true;
- return false;
-}
-
-function shuffle(a) {
- for(i=0;i<a.length;i++) swap(a,i,Math.floor(Math.random()*a.length))
- return a;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2026-05-20 04:34:42 +0000