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This is what I used to make it work
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@paresharma
paresharma committed Mar 23, 2015
1 parent 6640ffe commit 9b8942d
Showing 1 changed file with 280 additions and 0 deletions.
280 changes: 280 additions & 0 deletions app/assets/javascripts/scorm_rte/rte.js
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function LMSAPI(){
this.cache = {};
this.SCOInstanceID = 123456789;

// 1.2
this.LMSInitialize=LMSInitialize;
this.LMSGetValue=LMSGetValue;
this.LMSSetValue=LMSSetValue;
this.LMSCommit=LMSCommit;
this.LMSFinish=LMSFinish;
this.LMSGetLastError=LMSGetLastError;
this.LMSGetDiagnostic=LMSGetDiagnostic;
this.LMSGetErrorString=LMSGetErrorString;

// 2004
this.Initialize=LMSInitialize;
this.GetValue=LMSGetValue;
this.SetValue=LMSSetValue;
this.Commit=LMSCommit;
this.Treminate=LMSFinish;
this.GetLastError=LMSGetLastError;
this.GetDiagnostic=LMSGetDiagnostic;
this.GetErrorString=LMSGetErrorString;

// ------------------------------------------
// Status Flags
// ------------------------------------------
var flagFinished = false;

// ------------------------------------------
// SCO Data Cache - Initialization
// ------------------------------------------

// ------------------------------------------
// SCORM RTE Functions - Initialization
// ------------------------------------------
function LMSInitialize(dummyString) {
console.log('***');
console.log('initialized');
console.log(this.cache);

var url = 'http://localhost:3000/scorm_rte/stores/fetch?sco_instance_id='+this.SCOInstanceID;
console.log(url);
$.getJSON( url, function( data ) {
this.cache = data
});

// this.cache = JSON.parse(localStorage.getItem('k')) || {}

console.log(this.cache);
console.log('***');
return "true";
}

// ------------------------------------------
// SCORM RTE Functions - Getting and Setting Values
// ------------------------------------------
function LMSGetValue(varname) {
//alert(this.cache[varname]);
var v = this.cache[varname];
if(v == undefined){
v = ""
}
return v
}

function LMSSetValue(varname,varvalue) {
this.cache[varname] = varvalue;
return "true";
}

// ------------------------------------------
// SCORM RTE Functions - Saving the Cache to the Database
// ------------------------------------------
function LMSCommit(dummyString) {
// code to prevent caching
var d = new Date();


// create a POST-formatted list of cached data elements
// include only SCO-writeable data elements
var params = 'scorm_rte_store[sco_instance_id]='+this.SCOInstanceID+'&code='+d.getTime();
params += "&scorm_rte_store[data][cmi.core.lesson_location]="+urlencode(this.cache['cmi.core.lesson_location']);
params += "&scorm_rte_store[data][cmi.core.lesson_status]="+urlencode(this.cache['cmi.core.lesson_status']);
params += "&scorm_rte_store[data][cmi.core.exit]="+urlencode(this.cache['cmi.core.exit']);
params += "&scorm_rte_store[data][cmi.core.session_time]="+urlencode(this.cache['cmi.core.session_time']);
params += "&scorm_rte_store[data][cmi.core.score.raw]="+urlencode(this.cache['cmi.core.score.raw']);
params += "&scorm_rte_store[data][cmi.suspend_data]="+urlencode(this.cache['cmi.suspend_data']);

// submit to the server for processing
var url = "http://localhost:3000/scorm_rte/stores"
$.ajax({
type: "POST",
headers: {
'Content-type' : 'application/x-www-form-urlencoded',
'Content-length' : params.length,
'Connection' : 'close'
},
url: url,
data: params
});

// process returned data - error condition
// if (req.status != 200) {
// alert('Problem with AJAX Request in LMSCommit()');
// return "false";
// }

// process returned data - OK
// else {
// return "true";
// }
return "true";
}

// ------------------------------------------
// SCORM RTE Functions - Closing The Session
// ------------------------------------------
function LMSFinish(dummyString) {

// already finished - prevent repeat call
if (flagFinished) {
return "true";
}

// commit cached values to the database
console.log('!! finish')

// console.log('***')
// console.log(localStorage.getItem('k'))
// localStorage.setItem('k', JSON.stringify(this.cache))
console.log(this.cache)
// console.log(JSON.parse(localStorage.getItem('k')))
// console.log('###')

LMSCommit('');
console.log('!! finish !!')
/*
// create request object
var req = createRequest();
// code to prevent caching
var d = new Date();
// set up request parameters - uses GET method
req.open('GET','finish.php?SCOInstanceID=<?php print $SCOInstanceID; ?>&code='+d.getTime(),false);
// submit to the server for processing
req.send(null);
// process returned data - error condition
if (req.status != 200) {
alert('Problem with AJAX Request in LMSFinish()');
return "";
}
*/
// set finish flag
flagFinished = true;
// return to calling program
return "true";

}

// ------------------------------------------
// SCORM RTE Functions - Error Handling
// ------------------------------------------
function LMSGetLastError() {
return 0;
}

function LMSGetDiagnostic(errorCode) {
return "diagnostic string";
}

function LMSGetErrorString(errorCode) {
return "error string";
}

// ------------------------------------------
// URL Encoding
// ------------------------------------------
function urlencode( str ) {
//
// Ref: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_urlencode/
//
// http://kevin.vanzonneveld.net
// + original by: Philip Peterson
// + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// + input by: AJ
// + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// + improved by: Brett Zamir (http://brettz9.blogspot.com)
// + bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// + input by: travc
// + input by: Brett Zamir (http://brettz9.blogspot.com)
// + bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// + improved by: Lars Fischer
// % note 1: info on what encoding functions to use from: http://xkr.us/articles/javascript/encode-compare/
// * example 1: urlencode('Kevin van Zonneveld!');
// * returns 1: 'Kevin+van+Zonneveld%21'
// * example 2: urlencode('http://kevin.vanzonneveld.net/');
// * returns 2: 'http%3A%2F%2Fkevin.vanzonneveld.net%2F'
// * example 3: urlencode('http://www.google.nl/search?q=php.js&ie=utf-8&oe=utf-8&aq=t&rls=com.ubuntu:en-US:unofficial&client=firefox-a');
// * returns 3: 'http%3A%2F%2Fwww.google.nl%2Fsearch%3Fq%3Dphp.js%26ie%3Dutf-8%26oe%3Dutf-8%26aq%3Dt%26rls%3Dcom.ubuntu%3Aen-US%3Aunofficial%26client%3Dfirefox-a'

var histogram = {}, unicodeStr='', hexEscStr='';
var ret = (str+'').toString();

var replacer = function(search, replace, str) {
var tmp_arr = [];
tmp_arr = str.split(search);
return tmp_arr.join(replace);
};

// The histogram is identical to the one in urldecode.
histogram["'"] = '%27';
histogram['('] = '%28';
histogram[')'] = '%29';
histogram['*'] = '%2A';
histogram['~'] = '%7E';
histogram['!'] = '%21';
histogram['%20'] = '+';
histogram['\u00DC'] = '%DC';
histogram['\u00FC'] = '%FC';
histogram['\u00C4'] = '%D4';
histogram['\u00E4'] = '%E4';
histogram['\u00D6'] = '%D6';
histogram['\u00F6'] = '%F6';
histogram['\u00DF'] = '%DF';
histogram['\u20AC'] = '%80';
histogram['\u0081'] = '%81';
histogram['\u201A'] = '%82';
histogram['\u0192'] = '%83';
histogram['\u201E'] = '%84';
histogram['\u2026'] = '%85';
histogram['\u2020'] = '%86';
histogram['\u2021'] = '%87';
histogram['\u02C6'] = '%88';
histogram['\u2030'] = '%89';
histogram['\u0160'] = '%8A';
histogram['\u2039'] = '%8B';
histogram['\u0152'] = '%8C';
histogram['\u008D'] = '%8D';
histogram['\u017D'] = '%8E';
histogram['\u008F'] = '%8F';
histogram['\u0090'] = '%90';
histogram['\u2018'] = '%91';
histogram['\u2019'] = '%92';
histogram['\u201C'] = '%93';
histogram['\u201D'] = '%94';
histogram['\u2022'] = '%95';
histogram['\u2013'] = '%96';
histogram['\u2014'] = '%97';
histogram['\u02DC'] = '%98';
histogram['\u2122'] = '%99';
histogram['\u0161'] = '%9A';
histogram['\u203A'] = '%9B';
histogram['\u0153'] = '%9C';
histogram['\u009D'] = '%9D';
histogram['\u017E'] = '%9E';
histogram['\u0178'] = '%9F';

// Begin with encodeURIComponent, which most resembles PHP's encoding functions
ret = encodeURIComponent(ret);

for (unicodeStr in histogram) {
hexEscStr = histogram[unicodeStr];
ret = replacer(unicodeStr, hexEscStr, ret); // Custom replace. No regexing
}

// Uppercase for full PHP compatibility
return ret.replace(/(\%([a-z0-9]{2}))/g, function(full, m1, m2) {
return "%"+m2.toUpperCase();
});
}

}

window.API = new LMSAPI();
window.API_1484_11 = new LMSAPI();

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