scServices.dataUtil = {
	serialiseObjJs : function(pObj){
		var vBuf="";
		if(pObj) for (var vKey in pObj){
			var vObj = pObj[vKey];
			if(vObj != null) {
				if(vObj instanceof Object){
					vBuf+= (vBuf!="" ? ",\'" : "\'") + vKey+"\':{" + this.serialiseObjJs(vObj) + "}";
				} else if(typeof vObj == "number"){
					vBuf+= (vBuf!="" ? ",\'" : "\'") + vKey+"\':" + vObj;
				} else {
					vBuf+= (vBuf!="" ? ",\'" : "\'") + vKey+"\':\'" + vObj.toString().replace(/[\t\n\r\\'"]/g, this.escapeJs) + "\'";
				}
			}
		}
		return vBuf;
	},
	deserialiseObjJs : function(pString){
		if(!pString) return {};
		var vVal;
		eval("vVal={"+pString+"}");
		return vVal;
	},
	escapeJs : function(pChar){
		switch(pChar) {
			case '\t' : return "\\t";
			case '\n' : return "\\n";
			case '\r' : return "\\r";
			case '\'' : return "\\\'";
			case '\"' : return "\\\"";
			case '\\' : return "\\\\";
		} 
		return "";
	}
}

scServices.assmntMgr = scOnLoads[scOnLoads.length] = scOnUnloads[scOnUnloads.length] = {

setResponse: function(pId, pSession, pField, pValue){
	this.xSetResponse(pId, pSession, pField, pValue);
	if(this._listeners) this.xFireEvent({fId:pId, fSession:pSession, fField:pField, fValue:pValue}, "handleAssmntResponse");
	return pValue;
},
resetResponses: function(pId, pSession){
	this.xResetResponses(pId, pSession);
	if(this._listeners) this.xFireEvent({fId:pId, fSession:pSession}, "handleAssmntResponse");
},
setPts: function(pId, pSession, pMin, pScore, pMax){
	this.xSetPts(pId, pSession, pMin, pScore, pMax);
	if(this._listeners) this.xFireEvent({fId:pId, fSession:pSession, fMin:pMin, fScore:pScore, fMax:pMax}, "handleAssmntPts");
},
getCompletionStatus: function(pId, pSession){
	return this.xGetCompletionStatus(pId, pSession) || "notAttempt";
},
setCompletionStatus: function(pId, pSession, pStatus){
	switch(pStatus) {
		case "attempt" : 
		case "complete" : 
		case "notAttempt" : 
			break;
		default :
			pStatus = "notAttempt";
	}
	this.xSetCompletionStatus(pId, pSession, pStatus);
	if(this._listeners) this.xFireEvent({fId:pId, fSession:pSession, fStatus:pStatus}, "handleAssmntStatus");
	return pStatus;
},
setHintsShown: function(pId, pSession, pHintsShown){
	this.xSetHintsShown(pId, pSession, pHintsShown);
	if(this._listeners) this.xFireEvent({fId:pId, fSession:pSession, fHintsShown:pHintsShown}, "handleAssmntHints");
	return pHintsShown;
},

_listeners : null,
addEventListener : function (pListerner){
	this._listeners = {l:pListerner, next:this._listeners};
},
removeEventListener : function (pListerner){
	var vListener = this._listeners;
	var vPrev = null;
	while(vListener) {
		if(vListener.l === pListerner) {
			if(vPrev) vPrev.next = vListener.next; else this._listeners = vListener.next;
		}
		vPrev = vListener;
		vListener = vListener.next;
	}
},
xFireEvent : function (pEvent, pMethod){
	var vListener = this._listeners;
	while(vListener) {
		try{vListener.l[pMethod].call(vListener.l, pEvent)}catch(e){}
		vListener = vListener.next;
	}
},

xConnect2k4 : function(){
	this._api = scServices.scorm2k4.getScorm2k4API();
	var vCount = this._api.GetValue("cmi.interactions._count");
	this._interactionsMap = {};
	for(var i = 0; i < vCount; i++) this._interactionsMap[this._api.GetValue("cmi.interactions."+i+".id")] = {idx:i};
	this.xGetStruct = function(pId, pSession, pStruct){
		pSession = pSession ? pSession+"X" : "#"; /* X:protection bug parsers JS (ex: si pSession=eval sur firefox)*/
		var vInterac = this._interactionsMap[pId];
		if(vInterac) {
			if( ! ("session" in vInterac)) try{eval("vInterac.session={"+this._api.GetValue("cmi.interactions."+this._interactionsMap[pId].idx+".learner_response")+"}")}catch(e){vInterac.session={};};
			var vSess = vInterac.session[pSession];
			if(vSess) return vSess[pStruct];
		}
		return null;
	};
	this.xSetStruct = function(pId, pSession, pStruct, pValue){
		pSession = pSession ? pSession+"X" : "#";
		var vInterac = this._interactionsMap[pId];
		if(!vInterac) {
			vInterac = {};
			vInterac.session = {};
			this._interactionsMap[pId] = vInterac;
		} else if( ! ("session" in vInterac)) try{eval("vInterac.session={"+this._api.GetValue("cmi.interactions."+this._interactionsMap[pId].idx+".learner_response")+"}")}catch(e){vInterac.session={};};
		vInterac.updated = true;
		if(! (pSession in vInterac.session))vInterac.session[pSession] = {};
		vInterac.session[pSession][pStruct] = pValue;
	};
	this.xSynch = function(){
		for(var vId in this._interactionsMap) {
			var vInterac = this._interactionsMap[vId];
			if(vInterac.updated) {
				try {
				if(! ("idx" in vInterac)) {
					vInterac.idx = this._api.GetValue("cmi.interactions._count");
					this._api.SetValue("cmi.interactions."+vInterac.idx+".id", vId);
					this._api.SetValue("cmi.interactions."+vInterac.idx+".type", "other");
				}
				this._api.SetValue("cmi.interactions."+vInterac.idx+".learner_response", scServices.dataUtil.serialiseObjJs(vInterac.session));
				}catch(e){}
				vInterac.updated = false;
			}
		}
	};
	this.commit = function(){ this.xSynch(); this._api.Commit(""); };
	this.getResponse = function(pId, pSession, pField){var vStruct = this.xGetStruct(pId, pSession, "r"); return vStruct ? vStruct[pField] : null;};
	this.xSetResponse = function(pId, pSession, pField, pValue){var vStruct = this.xGetStruct(pId, pSession, "r") || {}; vStruct[pField] = pValue; this.xSetStruct(pId, pSession, "r", vStruct);};
	this.xResetResponses = function(pId, pSession){this.xSetStruct(pId, pSession, "r", {});};
	this.getMinPts = function(pId, pSession){return this.xGetStruct(pId, pSession, "i");};
	this.getScorePts = function(pId, pSession){return this.xGetStruct(pId, pSession, "s");};
	this.getMaxPts = function(pId, pSession){return this.xGetStruct(pId, pSession, "a");};
	this.xSetPts = function(pId, pSession, pMin, pScore, pMax){this.xSetStruct(pId, pSession, "i", pMin); this.xSetStruct(pId, pSession, "s", pScore); this.xSetStruct(pId, pSession, "a", pMax);};
	this.xGetCompletionStatus = function(pId, pSession){return this.xGetStruct(pId, pSession, "st");};
	this.xSetCompletionStatus = function(pId, pSession, pStatus){this.xSetStruct(pId, pSession, "st", pStatus);};
	this.getHintsShown = function(pId, pSession){return this.xGetStruct(pId, pSession, "h");};
	this.xSetHintsShown = function(pId, pSession, pHintsShown){this.xSetStruct(pId, pSession, "h", pHintsShown);};
},


xConnect12 : function(){
	this.commit = function(){scServices.suspendDataStorage.commit();};
	this.xSynch = function(){};
	this.getResponse = function(pId, pSession, pField){return scServices.suspendDataStorage.getVal(["assmnt", pSession ? pSession+"X" : "#", pId, "r", pField]);};
	this.xSetResponse = function(pId, pSession, pField, pValue){scServices.suspendDataStorage.setVal(["assmnt", pSession ? pSession+"X" : "#", pId, "r", pField], pValue);};
	this.xResetResponses = function(pId, pSession){scServices.suspendDataStorage.removeVal(["assmnt", pSession ? pSession+"X" : "#", pId, "r"]);};
	this.getMinPts = function(pId, pSession){return scServices.suspendDataStorage.getVal(["assmnt", pSession ? pSession+"X" : "#", pId, "i"]);};
	this.getScorePts = function(pId, pSession){return scServices.suspendDataStorage.getVal(["assmnt", pSession ? pSession+"X" : "#", pId, "s"]);};
	this.getMaxPts = function(pId, pSession){return scServices.suspendDataStorage.getVal(["assmnt", pSession ? pSession+"X" : "#", pId, "a"]);};
	this.xSetPts = function(pId, pSession, pMin, pScore, pMax){scServices.suspendDataStorage.setVal(["assmnt", pSession ? pSession+"X" : "#", pId, "i"], pMin); scServices.suspendDataStorage.setVal(["assmnt", pSession ? pSession+"X" : "#", pId, "s"], pScore); scServices.suspendDataStorage.setVal(["assmnt", pSession ? pSession+"X" : "#", pId, "a"], pMax); };
	this.xGetCompletionStatus = function(pId, pSession){return scServices.suspendDataStorage.getVal(["assmnt", pSession ? pSession+"X" : "#", pId, "st"]);};
	this.xSetCompletionStatus = function(pId, pSession, pStatus){scServices.suspendDataStorage.setVal(["assmnt", pSession ? pSession+"X" : "#", pId, "st"], pStatus);};
	this.getHintsShown = function(pId, pSession){return scServices.suspendDataStorage.getVal(["assmnt", pSession ? pSession+"X" : "#", pId, "h"]);};
	this.xSetHintsShown = function(pId, pSession, pHintsShown){scServices.suspendDataStorage.setVal(["assmnt", pSession ? pSession+"X" : "#", pId, "h"], pHintsShown);};
},

xConnectNone : function(){
	this.commit = function(){};
	this.xSynch = function(){};
	this.getResponse = function(pId, pSession, pField){return this.data.resp[pSession+"."+pId+"."+pField];};
	this.xSetResponse = function(pId, pSession, pField, pValue){this.data.resp[pSession+"."+pId+"."+pField] = pValue;};
	this.xResetResponses = function(pId, pSession){var vRegexp = new RegExp("^"+pSession+"\\."+pId+".*"); for(var vK in this.data.resp) if(vRegexp.test(vK)) delete this.data.resp[vK]};
	this.getMinPts = function(pId, pSession){return this.data.minPts[pSession+"."+pId];};
	this.getScorePts = function(pId, pSession){return this.data.scorePts[pSession+"."+pId];};
	this.getMaxPts = function(pId, pSession){return this.data.maxPts[pSession+"."+pId];};
	this.xSetPts = function(pId, pSession, pMin, pScore, pMax){this.data.minPts[pSession+"."+pId] = pMin; this.data.scorePts[pSession+"."+pId] = pScore; this.data.maxPts[pSession+"."+pId] = pMax;};
	this.xGetCompletionStatus = function(pId, pSession){return this.data.status[pSession+"."+pId];};
	this.xSetCompletionStatus = function(pId, pSession, pStatus){this.data.status[pSession+"."+pId] = pStatus;};
	this.getHintsShown = function(pId, pSession){return this.data.hints[pSession+"."+pId];};
	this.xSetHintsShown = function(pId, pSession, pHintsShown){this.data.hints[pSession+"."+pId] = pHintsShown;};
	this.data = { resp:{}, scorePts:{}, minPts:{}, maxPts:{}, status:{}, hints:{} };
},

xConnectStorage : function(){
	this.xConnectNone();
	try {
		var vItem = scServices.storage.getStorage().getItem(scServices.storage.getRootKey()+"assmnt");
		if(vItem && vItem.value) eval("this.data={"+vItem.value+"};");
	} catch(e){}
	this.commit = function(){scServices.storage.getStorage().setItem(scServices.storage.getRootKey()+"assmnt", scServices.dataUtil.serialiseObjJs(this.data))};	
},


/* interne */
onLoad: function(){
	if(scServices.scorm2k4 && scServices.scorm2k4.isScorm2k4Active()) {
		this.xConnect2k4();
	} else if(scServices.scorm12 && scServices.scorm12.isScorm12Active() && scServices.suspendDataStorage) {
		this.xConnect12();
	} else if(scServices.storage && scServices.storage.isStorageActive()) {
		this.xConnectStorage();
	} else {
		this.xConnectNone();
	}
},
loadSortKey: "2assmntMgr",

onUnload: function(){
	this.xSynch();
},
unloadSortKey: "2assmntMgr"

};