giuliomoro@15: function Specification() {
giuliomoro@15: 	// Handles the decoding of the project specification XML into a simple JavaScript Object.
giuliomoro@15: 	
giuliomoro@15: 	this.interface = null;
giuliomoro@15: 	this.projectReturn = null;
giuliomoro@15:     this.returnURL = null;
giuliomoro@15: 	this.randomiseOrder = null;
giuliomoro@15: 	this.testPages = null;
giuliomoro@15: 	this.pages = [];
giuliomoro@15: 	this.metrics = null;
giuliomoro@15: 	this.interfaces = null;
giuliomoro@15: 	this.loudness = null;
giuliomoro@15: 	this.errors = [];
giuliomoro@15: 	this.schema = null;
giuliomoro@15:     this.exitText = "Thank you.";
giuliomoro@15: 	
giuliomoro@15: 	this.processAttribute = function(attribute,schema,schemaRoot)
giuliomoro@15: 	{
giuliomoro@15: 		// attribute is the string returned from getAttribute on the XML
giuliomoro@15: 		// schema is the <xs:attribute> node
giuliomoro@15: 		if (schema.getAttribute('name') == undefined && schema.getAttribute('ref') != undefined)
giuliomoro@15: 		{
giuliomoro@15: 			schema = schemaRoot.getAllElementsByName(schema.getAttribute('ref'))[0];
giuliomoro@15: 		}
giuliomoro@15: 		var defaultOpt = schema.getAttribute('default');
giuliomoro@15: 		if (attribute == null) {
giuliomoro@15: 			attribute = defaultOpt;
giuliomoro@15: 		}
giuliomoro@15: 		var dataType = schema.getAttribute('type');
giuliomoro@15: 		if (typeof dataType == "string") { dataType = dataType.substr(3);}
giuliomoro@15: 		else {
giuliomoro@15:             var rest = schema.getAllElementsByTagName("xs:restriction").concat(schema.getAllElementsByTagName("xs:enumeration"));
giuliomoro@15:             if (rest.length > 0) {
giuliomoro@15:                 dataType = rest[0].getAttribute("base");
giuliomoro@15:                 if (typeof dataType == "string") {
giuliomoro@15:                     dataType = dataType.substr(3);
giuliomoro@15:                 } else {
giuliomoro@15:                     dataType = "string";
giuliomoro@15:                 }
giuliomoro@15:             } else {
giuliomoro@15:                 dataType = "string";
giuliomoro@15:             }
giuliomoro@15:         }
giuliomoro@15: 		if (attribute == null)
giuliomoro@15: 		{
giuliomoro@15: 			return attribute;
giuliomoro@15: 		}
giuliomoro@15: 		switch(dataType)
giuliomoro@15: 		{
giuliomoro@15: 		case "boolean":
giuliomoro@15: 			if (attribute == 'true'){attribute = true;}else{attribute=false;}
giuliomoro@15: 			break;
giuliomoro@15: 		case "negativeInteger":
giuliomoro@15: 		case "positiveInteger":
giuliomoro@15: 		case "nonNegativeInteger":
giuliomoro@15: 		case "nonPositiveInteger":
giuliomoro@15: 		case "integer":
giuliomoro@15: 		case "decimal":
giuliomoro@15: 		case "short":
giuliomoro@15: 			attribute = Number(attribute);
giuliomoro@15: 			break;
giuliomoro@15: 		case "string":
giuliomoro@15: 		default:
giuliomoro@15: 			attribute = String(attribute);
giuliomoro@15: 			break;
giuliomoro@15: 		}
giuliomoro@15: 		return attribute;
giuliomoro@15: 	};
giuliomoro@15: 	
giuliomoro@15: 	this.decode = function(projectXML) {
giuliomoro@15: 		this.errors = [];
giuliomoro@15: 		// projectXML - DOM Parsed document
giuliomoro@15: 		this.projectXML = projectXML.childNodes[0];
giuliomoro@15: 		var setupNode = projectXML.getElementsByTagName('setup')[0];
giuliomoro@15: 		var schemaSetup = this.schema.getAllElementsByName('setup')[0];
giuliomoro@15: 		// First decode the attributes
giuliomoro@15: 		var attributes = schemaSetup.getAllElementsByTagName('xs:attribute');
giuliomoro@15: 		for (var i in attributes)
giuliomoro@15: 		{
giuliomoro@15: 			if (isNaN(Number(i)) == true){break;}
giuliomoro@15: 			var attributeName = attributes[i].getAttribute('name') || attributes[i].getAttribute('ref');
giuliomoro@15: 			var projectAttr = setupNode.getAttribute(attributeName);
giuliomoro@15: 			projectAttr = this.processAttribute(projectAttr,attributes[i],this.schema);
giuliomoro@15: 			switch(typeof projectAttr)
giuliomoro@15: 			{
giuliomoro@15: 			case "number":
giuliomoro@15: 			case "boolean":
giuliomoro@15: 				eval('this.'+attributeName+' = '+projectAttr);
giuliomoro@15: 				break;
giuliomoro@15: 			case "string":
giuliomoro@15: 				eval('this.'+attributeName+' = "'+projectAttr+'"');
giuliomoro@15: 				break;
giuliomoro@15: 			}
giuliomoro@15: 			
giuliomoro@15: 		}
giuliomoro@15:         
giuliomoro@15:         var exitTextNode = setupNode.getElementsByTagName('exitText');
giuliomoro@15:         if (exitTextNode.length == 1) {
giuliomoro@15:             this.exitText = exitTextNode[0].textContent;
giuliomoro@15:         }
giuliomoro@15: 		
giuliomoro@15: 		this.metrics = new this.metricNode();
giuliomoro@15: 		
giuliomoro@15: 		this.metrics.decode(this,setupNode.getElementsByTagName('metric')[0]);
giuliomoro@15: 		
giuliomoro@15: 		// Now process the survey node options
giuliomoro@15: 		var survey = setupNode.getElementsByTagName('survey');
giuliomoro@15: 		for (var i in survey) {
giuliomoro@15: 			if (isNaN(Number(i)) == true){break;}
giuliomoro@15: 			var location = survey[i].getAttribute('location');
giuliomoro@15:             switch(location)
giuliomoro@15:             {
giuliomoro@15:                 case 'pre':
giuliomoro@15:                 case 'before':
giuliomoro@15:                     if (this.preTest != null){console.log("Already a pre/before test survey defined! Ignoring second!!");}
giuliomoro@15:                     else {
giuliomoro@15:                         this.preTest = new this.surveyNode(this);
giuliomoro@15:                         this.preTest.decode(this,survey[i]);
giuliomoro@15:                     }
giuliomoro@15:                     break;
giuliomoro@15:                 case 'post':
giuliomoro@15:                 case 'after':
giuliomoro@15:                     if (this.postTest != null){console.log("Already a post/after test survey defined! Ignoring second!!");}
giuliomoro@15:                     else {
giuliomoro@15:                         this.postTest = new this.surveyNode(this);
giuliomoro@15:                         this.postTest.decode(this,survey[i]);
giuliomoro@15:                     }
giuliomoro@15:                     break;
giuliomoro@15:             }
giuliomoro@15: 		}
giuliomoro@15: 		
giuliomoro@15: 		var interfaceNode = setupNode.getElementsByTagName('interface');
giuliomoro@15: 		if (interfaceNode.length > 1)
giuliomoro@15: 		{
giuliomoro@15: 			this.errors.push("Only one <interface> node in the <setup> node allowed! Others except first ingnored!");
giuliomoro@15: 		}
giuliomoro@15: 		this.interfaces = new this.interfaceNode(this);
giuliomoro@15: 		if (interfaceNode.length != 0)
giuliomoro@15: 		{
giuliomoro@15: 			interfaceNode = interfaceNode[0];
giuliomoro@15: 			this.interfaces.decode(this,interfaceNode,this.schema.getAllElementsByName('interface')[1]);
giuliomoro@15: 		}
giuliomoro@15: 		
giuliomoro@15: 		// Page tags
giuliomoro@15: 		var pageTags = projectXML.getElementsByTagName('page');
giuliomoro@15: 		var pageSchema = this.schema.getAllElementsByName('page')[0];
giuliomoro@15: 		for (var i=0; i<pageTags.length; i++)
giuliomoro@15: 		{
giuliomoro@15: 			var node = new this.page(this);
giuliomoro@15: 			node.decode(this,pageTags[i],pageSchema);
giuliomoro@15: 			this.pages.push(node);
giuliomoro@15: 		}
giuliomoro@15: 	};
giuliomoro@15: 	
giuliomoro@15: 	this.encode = function()
giuliomoro@15: 	{
giuliomoro@15: 		var RootDocument = document.implementation.createDocument(null,"waet");
giuliomoro@15: 		var root = RootDocument.children[0];
giuliomoro@15:         root.setAttribute("xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance");
giuliomoro@15:         root.setAttribute("xsi:noNamespaceSchemaLocation","test-schema.xsd");
giuliomoro@15: 		// Build setup node
giuliomoro@15:         var setup = RootDocument.createElement("setup");
giuliomoro@15:         var schemaSetup = this.schema.getAllElementsByName('setup')[0];
giuliomoro@15:         // First decode the attributes
giuliomoro@15:         var attributes = schemaSetup.getAllElementsByTagName('xs:attribute');
giuliomoro@15:         for (var i=0; i<attributes.length; i++)
giuliomoro@15:         {
giuliomoro@15:             var name = attributes[i].getAttribute("name");
giuliomoro@15:             if (name == undefined) {
giuliomoro@15:                 name = attributes[i].getAttribute("ref");
giuliomoro@15:             }
giuliomoro@15:             if(eval("this."+name+" != undefined") || attributes[i].getAttribute("use") == "required")
giuliomoro@15:             {
giuliomoro@15:                 eval("setup.setAttribute('"+name+"',this."+name+")");
giuliomoro@15:             }
giuliomoro@15:         }
giuliomoro@15:         root.appendChild(setup);
giuliomoro@15:         // Survey node
giuliomoro@15:         if (this.exitText != null) {
giuliomoro@15:             var exitTextNode = RootDocument.createElement('exitText');
giuliomoro@15:             exitTextNode.textContent = this.exitText;
giuliomoro@15:             setup.appendChild(exitTextNode);
giuliomoro@15:         }
giuliomoro@15:         setup.appendChild(this.preTest.encode(RootDocument));
giuliomoro@15:         setup.appendChild(this.postTest.encode(RootDocument));
giuliomoro@15:         setup.appendChild(this.metrics.encode(RootDocument));
giuliomoro@15:         setup.appendChild(this.interfaces.encode(RootDocument));
giuliomoro@15:         for (var page of this.pages)
giuliomoro@15:         {
giuliomoro@15:             root.appendChild(page.encode(RootDocument));
giuliomoro@15:         }
giuliomoro@15: 		return RootDocument;
giuliomoro@15: 	};
giuliomoro@15: 	
giuliomoro@15: 	this.surveyNode = function(specification) {
giuliomoro@15: 		this.location = null;
giuliomoro@15: 		this.options = [];
giuliomoro@15:         this.parent = null;
giuliomoro@15: 		this.schema = specification.schema.getAllElementsByName('survey')[0];
giuliomoro@15:         this.specification = specification;
giuliomoro@15: 		
giuliomoro@15: 		this.OptionNode = function(specification) {
giuliomoro@15: 			this.type = undefined;
giuliomoro@15: 			this.schema = specification.schema.getAllElementsByName('surveyentry')[0];
giuliomoro@15: 			this.id = undefined;
giuliomoro@15:             this.name = undefined;
giuliomoro@15: 			this.mandatory = undefined;
giuliomoro@15: 			this.statement = undefined;
giuliomoro@15: 			this.boxsize = undefined;
giuliomoro@15: 			this.options = [];
giuliomoro@15: 			this.min = undefined;
giuliomoro@15: 			this.max = undefined;
giuliomoro@15: 			this.step = undefined;
giuliomoro@15: 			
giuliomoro@15: 			this.decode = function(parent,child)
giuliomoro@15: 			{
giuliomoro@15: 				var attributeMap = this.schema.getAllElementsByTagName('xs:attribute');
giuliomoro@15: 				for (var i in attributeMap){
giuliomoro@15: 					if(isNaN(Number(i)) == true){break;}
giuliomoro@15: 					var attributeName = attributeMap[i].getAttribute('name') || attributeMap[i].getAttribute('ref');
giuliomoro@15: 					var projectAttr = child.getAttribute(attributeName);
giuliomoro@15: 					projectAttr = parent.processAttribute(projectAttr,attributeMap[i],parent.schema);
giuliomoro@15: 					switch(typeof projectAttr)
giuliomoro@15: 					{
giuliomoro@15: 					case "number":
giuliomoro@15: 					case "boolean":
giuliomoro@15: 						eval('this.'+attributeName+' = '+projectAttr);
giuliomoro@15: 						break;
giuliomoro@15: 					case "string":
giuliomoro@15: 						eval('this.'+attributeName+' = "'+projectAttr+'"');
giuliomoro@15: 						break;
giuliomoro@15: 					}
giuliomoro@15: 				}
giuliomoro@15: 				this.statement = child.getElementsByTagName('statement')[0].textContent;
giuliomoro@15: 				if (this.type == "checkbox" || this.type == "radio") {
giuliomoro@15: 					var children = child.getElementsByTagName('option');
giuliomoro@15: 					if (children.length == null) {
giuliomoro@15: 						console.log('Malformed' +child.nodeName+ 'entry');
giuliomoro@15: 						this.statement = 'Malformed' +child.nodeName+ 'entry';
giuliomoro@15: 						this.type = 'statement';
giuliomoro@15: 					} else {
giuliomoro@15: 						this.options = [];
giuliomoro@15: 						for (var i in children)
giuliomoro@15: 						{
giuliomoro@15: 							if (isNaN(Number(i))==true){break;}
giuliomoro@15: 							this.options.push({
giuliomoro@15: 								name: children[i].getAttribute('name'),
giuliomoro@15: 								text: children[i].textContent
giuliomoro@15: 							});
giuliomoro@15: 						}
giuliomoro@15: 					}
giuliomoro@15: 				}
giuliomoro@15: 			};
giuliomoro@15: 			
giuliomoro@15: 			this.exportXML = function(doc)
giuliomoro@15: 			{
giuliomoro@15: 				var node = doc.createElement('surveyentry');
giuliomoro@15: 				node.setAttribute('type',this.type);
giuliomoro@15: 				var statement = doc.createElement('statement');
giuliomoro@15: 				statement.textContent = this.statement;
giuliomoro@15: 				node.appendChild(statement);
giuliomoro@15:                 node.id = this.id;
giuliomoro@15:                 if (this.name != undefined) { node.setAttribute("name",this.name);}
giuliomoro@15:                 if (this.mandatory != undefined) { node.setAttribute("mandatory",this.mandatory);}
giuliomoro@15:                 node.id = this.id;
giuliomoro@15:                 if (this.name != undefined) {node.setAttribute("name",this.name);}
giuliomoro@15:                 switch(this.type)
giuliomoro@15:                 {
giuliomoro@15:                     case "checkbox":
giuliomoro@15:                     case "radio":
giuliomoro@15:                         for (var i=0; i<this.options.length; i++)
giuliomoro@15:                         {
giuliomoro@15:                             var option = this.options[i];
giuliomoro@15:                             var optionNode = doc.createElement("option");
giuliomoro@15:                             optionNode.setAttribute("name",option.name);
giuliomoro@15:                             optionNode.textContent = option.text;
giuliomoro@15:                             node.appendChild(optionNode);
giuliomoro@15:                         }
giuliomoro@15:                     case "number":
giuliomoro@15:                         if (this.min != undefined) {node.setAttribute("min", this.min);}
giuliomoro@15:                         if (this.max != undefined) {node.setAttribute("max", this.max);}
giuliomoro@15:                     case "question":
giuliomoro@15:                         if (this.boxsize != undefined) {node.setAttribute("boxsize",this.boxsize);}
giuliomoro@15:                         if (this.mandatory != undefined) {node.setAttribute("mandatory",this.mandatory);}
giuliomoro@15:                     default:
giuliomoro@15:                         break;
giuliomoro@15:                 }
giuliomoro@15: 				return node;
giuliomoro@15: 			};
giuliomoro@15: 		};
giuliomoro@15: 		this.decode = function(parent,xml) {
giuliomoro@15:             this.parent = parent;
giuliomoro@15: 			this.location = xml.getAttribute('location');
giuliomoro@15: 			if (this.location == 'before'){this.location = 'pre';}
giuliomoro@15: 			else if (this.location == 'after'){this.location = 'post';}
giuliomoro@15:             var children = xml.getAllElementsByTagName('surveyentry');
giuliomoro@15: 			for (var i=0; i<children.length; i++)
giuliomoro@15: 			{
giuliomoro@15: 				var node = new this.OptionNode(this.specification);
giuliomoro@15: 				node.decode(parent,children[i]);
giuliomoro@15: 				this.options.push(node);
giuliomoro@15: 			}
giuliomoro@15:             if (this.options.length == 0) {
giuliomoro@15:                 console.log("Empty survey node");
giuliomoro@15:                 console.log(this);
giuliomoro@15:             }
giuliomoro@15: 		};
giuliomoro@15: 		this.encode = function(doc) {
giuliomoro@15: 			var node = doc.createElement('survey');
giuliomoro@15: 			node.setAttribute('location',this.location);
giuliomoro@15: 			for (var i=0; i<this.options.length; i++)
giuliomoro@15: 			{
giuliomoro@15: 				node.appendChild(this.options[i].exportXML(doc));
giuliomoro@15: 			}
giuliomoro@15: 			return node;
giuliomoro@15: 		};
giuliomoro@15: 	};
giuliomoro@15: 	
giuliomoro@15: 	this.interfaceNode = function(specification)
giuliomoro@15: 	{
giuliomoro@15: 		this.title = null;
giuliomoro@15: 		this.name = null;
giuliomoro@15: 		this.options = [];
giuliomoro@15: 		this.scales = [];
giuliomoro@15: 		this.schema = specification.schema.getAllElementsByName('interface')[1];
giuliomoro@15: 		
giuliomoro@15: 		this.decode = function(parent,xml) {
giuliomoro@15: 			this.name = xml.getAttribute('name');
giuliomoro@15: 			var titleNode = xml.getElementsByTagName('title');
giuliomoro@15: 			if (titleNode.length == 1)
giuliomoro@15: 			{
giuliomoro@15: 				this.title = titleNode[0].textContent;
giuliomoro@15: 			}
giuliomoro@15: 			var interfaceOptionNodes = xml.getElementsByTagName('interfaceoption');
giuliomoro@15: 			// Extract interfaceoption node schema
giuliomoro@15: 			var interfaceOptionNodeSchema = this.schema.getAllElementsByName('interfaceoption')[0];
giuliomoro@15: 			var attributeMap = interfaceOptionNodeSchema.getAllElementsByTagName('xs:attribute');
giuliomoro@15: 			for (var i=0; i<interfaceOptionNodes.length; i++)
giuliomoro@15: 			{
giuliomoro@15: 				var ioNode = interfaceOptionNodes[i];
giuliomoro@15: 				var option = {};
giuliomoro@15: 				for (var j=0; j<attributeMap.length; j++)
giuliomoro@15: 				{
giuliomoro@15: 					var attributeName = attributeMap[j].getAttribute('name') || attributeMap[j].getAttribute('ref');
giuliomoro@15: 					var projectAttr = ioNode.getAttribute(attributeName);
giuliomoro@15:                     if(parent.processAttribute) {
giuliomoro@15:                         parent.processAttribute(projectAttr, attributeMap[j], parent.schema)
giuliomoro@15:                     } else {
giuliomoro@15:                         parent.parent.processAttribute(projectAttr, attributeMap[j], parent.parent.schema)
giuliomoro@15:                     }
giuliomoro@15: 					switch(typeof projectAttr)
giuliomoro@15: 					{
giuliomoro@15: 					case "number":
giuliomoro@15: 					case "boolean":
giuliomoro@15: 						eval('option.'+attributeName+' = '+projectAttr);
giuliomoro@15: 						break;
giuliomoro@15: 					case "string":
giuliomoro@15: 						eval('option.'+attributeName+' = "'+projectAttr+'"');
giuliomoro@15: 						break;
giuliomoro@15: 					}
giuliomoro@15: 				}
giuliomoro@15: 				this.options.push(option);
giuliomoro@15: 			}
giuliomoro@15: 			
giuliomoro@15: 			// Now the scales nodes
giuliomoro@15: 			var scaleParent = xml.getElementsByTagName('scales');
giuliomoro@15: 			if (scaleParent.length == 1) {
giuliomoro@15: 				scaleParent = scaleParent[0];
giuliomoro@15:                 var scalelabels = scaleParent.getAllElementsByTagName('scalelabel');
giuliomoro@15: 				for (var i=0; i<scalelabels.length; i++) {
giuliomoro@15: 					this.scales.push({
giuliomoro@15: 						text: scalelabels[i].textContent,
giuliomoro@15: 						position: Number(scalelabels[i].getAttribute('position'))
giuliomoro@15: 					});
giuliomoro@15: 				}
giuliomoro@15: 			}
giuliomoro@15: 		};
giuliomoro@15: 		
giuliomoro@15: 		this.encode = function(doc) {
giuliomoro@15: 			var node = doc.createElement("interface");
giuliomoro@15:             if (typeof name == "string")
giuliomoro@15:                 node.setAttribute("name",this.name);
giuliomoro@15:             if (typeof this.title == "string") {
giuliomoro@15:                 var titleNode = doc.createElement("title");
giuliomoro@15:                 titleNode.textContent = this.title;
giuliomoro@15:                 node.appendChild(titleNode);
giuliomoro@15:             }
giuliomoro@15:             for (var option of this.options)
giuliomoro@15:             {
giuliomoro@15:                 var child = doc.createElement("interfaceoption");
giuliomoro@15:                 child.setAttribute("type",option.type);
giuliomoro@15:                 child.setAttribute("name",option.name);
giuliomoro@15:                 node.appendChild(child);
giuliomoro@15:             }
giuliomoro@15:             if (this.scales.length != 0) {
giuliomoro@15:                 var scales = doc.createElement("scales");
giuliomoro@15:                 for (var scale of this.scales)
giuliomoro@15:                 {
giuliomoro@15:                     var child = doc.createElement("scalelabel");
giuliomoro@15:                     child.setAttribute("position",scale.position);
giuliomoro@15:                     child.textContent = scale.text;
giuliomoro@15:                     scales.appendChild(child);
giuliomoro@15:                 }
giuliomoro@15:                 node.appendChild(scales);
giuliomoro@15:             }
giuliomoro@15:             return node;
giuliomoro@15: 		};
giuliomoro@15: 	};
giuliomoro@15: 	
giuliomoro@15:     this.metricNode = function() {
giuliomoro@15:         this.enabled = [];
giuliomoro@15:         this.decode = function(parent, xml) {
giuliomoro@15:             var children = xml.getElementsByTagName('metricenable');
giuliomoro@15:             for (var i in children) { 
giuliomoro@15:                 if (isNaN(Number(i)) == true){break;}
giuliomoro@15:                 this.enabled.push(children[i].textContent);
giuliomoro@15:             }
giuliomoro@15:         }
giuliomoro@15:         this.encode = function(doc) {
giuliomoro@15:             var node = doc.createElement('metric');
giuliomoro@15:             for (var i in this.enabled)
giuliomoro@15:             {
giuliomoro@15:                 if (isNaN(Number(i)) == true){break;}
giuliomoro@15:                 var child = doc.createElement('metricenable');
giuliomoro@15:                 child.textContent = this.enabled[i];
giuliomoro@15:                 node.appendChild(child);
giuliomoro@15:             }
giuliomoro@15:             return node;
giuliomoro@15:         }
giuliomoro@15:     }
giuliomoro@15:     
giuliomoro@15: 	this.page = function(specification) {
giuliomoro@15: 		this.presentedId = undefined;
giuliomoro@15: 		this.id = undefined;
giuliomoro@15: 		this.hostURL = undefined;
giuliomoro@15: 		this.randomiseOrder = undefined;
giuliomoro@15: 		this.loop = undefined;
giuliomoro@15: 		this.showElementComments = undefined;
giuliomoro@15: 		this.outsideReference = null;
giuliomoro@15: 		this.loudness = null;
giuliomoro@15:         this.label = null;
giuliomoro@15: 		this.preTest = null;
giuliomoro@15: 		this.postTest = null;
giuliomoro@15: 		this.interfaces = [];
giuliomoro@15: 		this.commentBoxPrefix = "Comment on track";
giuliomoro@15: 		this.audioElements = [];
giuliomoro@15: 		this.commentQuestions = [];
giuliomoro@15: 		this.schema = specification.schema.getAllElementsByName("page")[0];
giuliomoro@15:         this.specification = specification;
giuliomoro@15:         this.parent = null;
giuliomoro@15: 		
giuliomoro@15: 		this.decode = function(parent,xml)
giuliomoro@15: 		{
giuliomoro@15:             this.parent = parent;
giuliomoro@15: 			var attributeMap = this.schema.getAllElementsByTagName('xs:attribute');
giuliomoro@15: 			for (var i=0; i<attributeMap.length; i++)
giuliomoro@15: 			{
giuliomoro@15: 				var attributeName = attributeMap[i].getAttribute('name') || attributeMap[i].getAttribute('ref');
giuliomoro@15: 				var projectAttr = xml.getAttribute(attributeName);
giuliomoro@15: 				projectAttr = parent.processAttribute(projectAttr,attributeMap[i],parent.schema);
giuliomoro@15: 				switch(typeof projectAttr)
giuliomoro@15: 				{
giuliomoro@15: 				case "number":
giuliomoro@15: 				case "boolean":
giuliomoro@15: 					eval('this.'+attributeName+' = '+projectAttr);
giuliomoro@15: 					break;
giuliomoro@15: 				case "string":
giuliomoro@15: 					eval('this.'+attributeName+' = "'+projectAttr+'"');
giuliomoro@15: 					break;
giuliomoro@15: 				}
giuliomoro@15: 			}
giuliomoro@15: 			
giuliomoro@15: 			// Get the Comment Box Prefix
giuliomoro@15: 			var CBP = xml.getElementsByTagName('commentboxprefix');
giuliomoro@15: 			if (CBP.length != 0) {
giuliomoro@15: 				this.commentBoxPrefix = CBP[0].textContent;
giuliomoro@15: 			}
giuliomoro@15: 			
giuliomoro@15: 			// Now decode the interfaces
giuliomoro@15: 			var interfaceNode = xml.getElementsByTagName('interface');
giuliomoro@15: 			for (var i=0; i<interfaceNode.length; i++)
giuliomoro@15: 			{
giuliomoro@15: 				var node = new parent.interfaceNode(this.specification);
giuliomoro@15: 				node.decode(this,interfaceNode[i],parent.schema.getAllElementsByName('interface')[1]);
giuliomoro@15: 				this.interfaces.push(node);
giuliomoro@15: 			}
giuliomoro@15: 			
giuliomoro@15: 			// Now process the survey node options
giuliomoro@15: 			var survey = xml.getElementsByTagName('survey');
giuliomoro@15: 			var surveySchema = parent.schema.getAllElementsByName('survey')[0];
giuliomoro@15: 			for (var i in survey) {
giuliomoro@15: 				if (isNaN(Number(i)) == true){break;}
giuliomoro@15: 				var location = survey[i].getAttribute('location');
giuliomoro@15: 				if (location == 'pre' || location == 'before')
giuliomoro@15: 				{
giuliomoro@15: 					if (this.preTest != null){this.errors.push("Already a pre/before test survey defined! Ignoring second!!");}
giuliomoro@15: 					else {
giuliomoro@15: 						this.preTest = new parent.surveyNode(this.specification);
giuliomoro@15: 						this.preTest.decode(parent,survey[i],surveySchema);
giuliomoro@15: 					}
giuliomoro@15: 				} else if (location == 'post' || location == 'after') {
giuliomoro@15: 					if (this.postTest != null){this.errors.push("Already a post/after test survey defined! Ignoring second!!");}
giuliomoro@15: 					else {
giuliomoro@15: 						this.postTest = new parent.surveyNode(this.specification);
giuliomoro@15: 						this.postTest.decode(parent,survey[i],surveySchema);
giuliomoro@15: 					}
giuliomoro@15: 				}
giuliomoro@15: 			}
giuliomoro@15: 			
giuliomoro@15: 			// Now process the audioelement tags
giuliomoro@15: 			var audioElements = xml.getElementsByTagName('audioelement');
giuliomoro@15: 			for (var i=0; i<audioElements.length; i++)
giuliomoro@15: 			{
giuliomoro@15: 				var node = new this.audioElementNode(this.specification);
giuliomoro@15: 				node.decode(this,audioElements[i]);
giuliomoro@15: 				this.audioElements.push(node);
giuliomoro@15: 			}
giuliomoro@15: 			
giuliomoro@15: 			// Now decode the commentquestions
giuliomoro@15: 			var commentQuestions = xml.getElementsByTagName('commentquestion');
giuliomoro@15: 			for (var i=0; i<commentQuestions.length; i++)
giuliomoro@15: 			{
giuliomoro@15: 				var node = new this.commentQuestionNode(this.specification);
giuliomoro@15: 				node.decode(parent,commentQuestions[i]);
giuliomoro@15: 				this.commentQuestions.push(node);
giuliomoro@15: 			}
giuliomoro@15: 		};
giuliomoro@15: 		
giuliomoro@15: 		this.encode = function(root)
giuliomoro@15: 		{
giuliomoro@15: 			var AHNode = root.createElement("page");
giuliomoro@15:             // First decode the attributes
giuliomoro@15:             var attributes = this.schema.getAllElementsByTagName('xs:attribute');
giuliomoro@15:             for (var i=0; i<attributes.length; i++)
giuliomoro@15:             {
giuliomoro@15:                 var name = attributes[i].getAttribute("name");
giuliomoro@15:                 if (name == undefined) {
giuliomoro@15:                     name = attributes[i].getAttribute("ref");
giuliomoro@15:                 }
giuliomoro@15:                 if(eval("this."+name+" != undefined") || attributes[i].getAttribute("use") == "required")
giuliomoro@15:                 {
giuliomoro@15:                     eval("AHNode.setAttribute('"+name+"',this."+name+")");
giuliomoro@15:                 }
giuliomoro@15:             }
giuliomoro@15: 			if(this.loudness != null) {AHNode.setAttribute("loudness",this.loudness);}
giuliomoro@15:             // <commentboxprefix>
giuliomoro@15:             var commentboxprefix = root.createElement("commentboxprefix");
giuliomoro@15:             commentboxprefix.textContent = this.commentBoxPrefix;
giuliomoro@15:             AHNode.appendChild(commentboxprefix);
giuliomoro@15:             
giuliomoro@15: 			for (var i=0; i<this.interfaces.length; i++)
giuliomoro@15: 			{
giuliomoro@15: 				AHNode.appendChild(this.interfaces[i].encode(root));
giuliomoro@15: 			}
giuliomoro@15: 			
giuliomoro@15: 			for (var i=0; i<this.audioElements.length; i++) {
giuliomoro@15: 				AHNode.appendChild(this.audioElements[i].encode(root));
giuliomoro@15: 			}
giuliomoro@15: 			// Create <CommentQuestion>
giuliomoro@15: 			for (var i=0; i<this.commentQuestions.length; i++)
giuliomoro@15: 			{
giuliomoro@15: 				AHNode.appendChild(this.commentQuestions[i].encode(root));
giuliomoro@15: 			}
giuliomoro@15: 			
giuliomoro@15: 			AHNode.appendChild(this.preTest.encode(root));
giuliomoro@15:             AHNode.appendChild(this.postTest.encode(root));
giuliomoro@15: 			return AHNode;
giuliomoro@15: 		};
giuliomoro@15: 		
giuliomoro@15: 		this.commentQuestionNode = function(specification) {
giuliomoro@15: 			this.id = null;
giuliomoro@15:             this.name = undefined;
giuliomoro@15: 			this.type = undefined;
giuliomoro@15: 			this.options = [];
giuliomoro@15: 			this.statement = undefined;
giuliomoro@15: 			this.schema = specification.schema.getAllElementsByName('commentquestion')[0];
giuliomoro@15: 			this.decode = function(parent,xml)
giuliomoro@15: 			{
giuliomoro@15: 				this.id = xml.id;
giuliomoro@15:                 this.name = xml.getAttribute('name');
giuliomoro@15: 				this.type = xml.getAttribute('type');
giuliomoro@15: 				this.statement = xml.getElementsByTagName('statement')[0].textContent;
giuliomoro@15: 				var optNodes = xml.getElementsByTagName('option');
giuliomoro@15: 				for (var i=0; i<optNodes.length; i++)
giuliomoro@15: 				{
giuliomoro@15: 					var optNode = optNodes[i];
giuliomoro@15: 					this.options.push({
giuliomoro@15: 						name: optNode.getAttribute('name'),
giuliomoro@15: 						text: optNode.textContent
giuliomoro@15: 					});
giuliomoro@15: 				}
giuliomoro@15: 			};
giuliomoro@15: 			
giuliomoro@15: 			this.encode = function(root)
giuliomoro@15: 			{
giuliomoro@15: 				var node = root.createElement("commentquestion");
giuliomoro@15:                 node.id = this.id;
giuliomoro@15:                 node.setAttribute("type",this.type);
giuliomoro@15:                 if (this.name != undefined){node.setAttribute("name",this.name);}
giuliomoro@15:                 var statement = root.createElement("statement");
giuliomoro@15:                 statement.textContent = this.statement;
giuliomoro@15:                 node.appendChild(statement);
giuliomoro@15:                 for (var option of this.options)
giuliomoro@15:                 {
giuliomoro@15:                     var child = root.createElement("option");
giuliomoro@15:                     child.setAttribute("name",option.name);
giuliomoro@15:                     child.textContent = option.text;
giuliomoro@15:                     node.appendChild(child);
giuliomoro@15:                 }
giuliomoro@15:                 return node;
giuliomoro@15: 			};
giuliomoro@15: 		};
giuliomoro@15: 		
giuliomoro@15: 		this.audioElementNode = function(specification) {
giuliomoro@15: 			this.url = null;
giuliomoro@15: 			this.id = null;
giuliomoro@15:             this.name = null;
giuliomoro@15: 			this.parent = null;
giuliomoro@15: 			this.type = null;
giuliomoro@15: 			this.marker = null;
giuliomoro@15: 			this.enforce = false;
giuliomoro@15: 			this.gain = 0.0;
giuliomoro@15: 			this.schema = specification.schema.getAllElementsByName('audioelement')[0];;
giuliomoro@15: 			this.parent = null;
giuliomoro@15: 			this.decode = function(parent,xml)
giuliomoro@15: 			{
giuliomoro@15: 				this.parent = parent;
giuliomoro@15: 				var attributeMap = this.schema.getAllElementsByTagName('xs:attribute');
giuliomoro@15: 				for (var i=0; i<attributeMap.length; i++)
giuliomoro@15: 				{
giuliomoro@15: 					var attributeName = attributeMap[i].getAttribute('name') || attributeMap[i].getAttribute('ref');
giuliomoro@15: 					var projectAttr = xml.getAttribute(attributeName);
giuliomoro@15: 					projectAttr = parent.parent.processAttribute(projectAttr,attributeMap[i],parent.parent.schema);
giuliomoro@15: 					switch(typeof projectAttr)
giuliomoro@15: 					{
giuliomoro@15: 					case "number":
giuliomoro@15: 					case "boolean":
giuliomoro@15: 						eval('this.'+attributeName+' = '+projectAttr);
giuliomoro@15: 						break;
giuliomoro@15: 					case "string":
giuliomoro@15: 						eval('this.'+attributeName+' = "'+projectAttr+'"');
giuliomoro@15: 						break;
giuliomoro@15: 					}
giuliomoro@15: 				}
giuliomoro@15: 				
giuliomoro@15: 			};
giuliomoro@15: 			this.encode = function(root)
giuliomoro@15: 			{
giuliomoro@15: 				var AENode = root.createElement("audioelement");
giuliomoro@15: 				var attributes = this.schema.getAllElementsByTagName('xs:attribute');
giuliomoro@15:                 for (var i=0; i<attributes.length; i++)
giuliomoro@15:                 {
giuliomoro@15:                     var name = attributes[i].getAttribute("name");
giuliomoro@15:                     if (name == undefined) {
giuliomoro@15:                         name = attributes[i].getAttribute("ref");
giuliomoro@15:                     }
giuliomoro@15:                     if(eval("this."+name+" != undefined") || attributes[i].getAttribute("use") == "required")
giuliomoro@15:                     {
giuliomoro@15:                         eval("AENode.setAttribute('"+name+"',this."+name+")");
giuliomoro@15:                     }
giuliomoro@15:                 }
giuliomoro@15: 				return AENode;
giuliomoro@15: 			};
giuliomoro@15: 		};
giuliomoro@15: 	};
giuliomoro@15: }