nickjillings@1925: function Specification() {
nickjillings@1925: 	// Handles the decoding of the project specification XML into a simple JavaScript Object.
nickjillings@1925: 	
nickjillings@1925: 	this.interface = null;
nickjillings@1925: 	this.projectReturn = "null";
nickjillings@1925: 	this.randomiseOrder = null;
nickjillings@1925: 	this.testPages = null;
nickjillings@1925: 	this.pages = [];
nickjillings@1925: 	this.metrics = null;
nickjillings@1925: 	this.interfaces = null;
nickjillings@1925: 	this.loudness = null;
nickjillings@1925: 	this.errors = [];
nickjillings@1925: 	this.schema = null;
nickjillings@1925:     this.exitText = "Thank you.";
nickjillings@1925: 	
nickjillings@1925: 	this.processAttribute = function(attribute,schema,schemaRoot)
nickjillings@1925: 	{
nickjillings@1925: 		// attribute is the string returned from getAttribute on the XML
nickjillings@1925: 		// schema is the <xs:attribute> node
nickjillings@1925: 		if (schema.getAttribute('name') == undefined && schema.getAttribute('ref') != undefined)
nickjillings@1925: 		{
nickjillings@1925: 			schema = schemaRoot.getAllElementsByName(schema.getAttribute('ref'))[0];
nickjillings@1925: 		}
nickjillings@1925: 		var defaultOpt = schema.getAttribute('default');
nickjillings@1925: 		if (attribute == null) {
nickjillings@1925: 			attribute = defaultOpt;
nickjillings@1925: 		}
nickjillings@1925: 		var dataType = schema.getAttribute('type');
nickjillings@1925: 		if (typeof dataType == "string") { dataType = dataType.substr(3);}
nickjillings@1925: 		else {dataType = "string";}
nickjillings@1925: 		if (attribute == null)
nickjillings@1925: 		{
nickjillings@1925: 			return attribute;
nickjillings@1925: 		}
nickjillings@1925: 		switch(dataType)
nickjillings@1925: 		{
nickjillings@1925: 		case "boolean":
nickjillings@1925: 			if (attribute == 'true'){attribute = true;}else{attribute=false;}
nickjillings@1925: 			break;
nickjillings@1925: 		case "negativeInteger":
nickjillings@1925: 		case "positiveInteger":
nickjillings@1925: 		case "nonNegativeInteger":
nickjillings@1925: 		case "nonPositiveInteger":
nickjillings@1925: 		case "integer":
nickjillings@1925: 		case "decimal":
nickjillings@1925: 		case "short":
nickjillings@1925: 			attribute = Number(attribute);
nickjillings@1925: 			break;
nickjillings@1925: 		case "string":
nickjillings@1925: 		default:
nickjillings@1925: 			attribute = String(attribute);
nickjillings@1925: 			break;
nickjillings@1925: 		}
nickjillings@1925: 		return attribute;
nickjillings@1925: 	};
nickjillings@1925: 	
nickjillings@1925: 	this.decode = function(projectXML) {
nickjillings@1925: 		this.errors = [];
nickjillings@1925: 		// projectXML - DOM Parsed document
nickjillings@1925: 		this.projectXML = projectXML.childNodes[0];
nickjillings@1925: 		var setupNode = projectXML.getElementsByTagName('setup')[0];
nickjillings@1925: 		var schemaSetup = this.schema.getAllElementsByName('setup')[0];
nickjillings@1925: 		// First decode the attributes
nickjillings@1925: 		var attributes = schemaSetup.getAllElementsByTagName('xs:attribute');
nickjillings@1925: 		for (var i in attributes)
nickjillings@1925: 		{
nickjillings@1925: 			if (isNaN(Number(i)) == true){break;}
nickjillings@1925: 			var attributeName = attributes[i].getAttribute('name') || attributes[i].getAttribute('ref');
nickjillings@1925: 			var projectAttr = setupNode.getAttribute(attributeName);
nickjillings@1925: 			projectAttr = this.processAttribute(projectAttr,attributes[i],this.schema);
nickjillings@1925: 			switch(typeof projectAttr)
nickjillings@1925: 			{
nickjillings@1925: 			case "number":
nickjillings@1925: 			case "boolean":
nickjillings@1925: 				eval('this.'+attributeName+' = '+projectAttr);
nickjillings@1925: 				break;
nickjillings@1925: 			case "string":
nickjillings@1925: 				eval('this.'+attributeName+' = "'+projectAttr+'"');
nickjillings@1925: 				break;
nickjillings@1925: 			}
nickjillings@1925: 			
nickjillings@1925: 		}
nickjillings@1925:         
nickjillings@1925:         var exitTextNode = setupNode.getElementsByTagName('exitText');
nickjillings@1925:         if (exitTextNode.length == 1) {
nickjillings@1925:             this.exitText = exitTextNode[0].textContent;
nickjillings@1925:         }
nickjillings@1925: 		
nickjillings@1925: 		this.metrics = new this.metricNode();
nickjillings@1925: 		
nickjillings@1925: 		this.metrics.decode(this,setupNode.getElementsByTagName('metric')[0]);
nickjillings@1925: 		
nickjillings@1925: 		// Now process the survey node options
nickjillings@1925: 		var survey = setupNode.getElementsByTagName('survey');
nickjillings@1925: 		for (var i in survey) {
nickjillings@1925: 			if (isNaN(Number(i)) == true){break;}
nickjillings@1925: 			var location = survey[i].getAttribute('location');
nickjillings@1925: 			if (location == 'pre' || location == 'before')
nickjillings@1925: 			{
nickjillings@1925: 				if (this.preTest != null){this.errors.push("Already a pre/before test survey defined! Ignoring second!!");}
nickjillings@1925: 				else {
nickjillings@1925: 					this.preTest = new this.surveyNode(this);
nickjillings@1925: 					this.preTest.decode(this,survey[i]);
nickjillings@1925: 				}
nickjillings@1925: 			} else if (location == 'post' || location == 'after') {
nickjillings@1925: 				if (this.postTest != null){this.errors.push("Already a post/after test survey defined! Ignoring second!!");}
nickjillings@1925: 				else {
nickjillings@1925: 					this.postTest = new this.surveyNode(this);
nickjillings@1925: 					this.postTest.decode(this,survey[i]);
nickjillings@1925: 				}
nickjillings@1925: 			}
nickjillings@1925: 		}
nickjillings@1925: 		
nickjillings@1925: 		var interfaceNode = setupNode.getElementsByTagName('interface');
nickjillings@1925: 		if (interfaceNode.length > 1)
nickjillings@1925: 		{
nickjillings@1925: 			this.errors.push("Only one <interface> node in the <setup> node allowed! Others except first ingnored!");
nickjillings@1925: 		}
nickjillings@1925: 		this.interfaces = new this.interfaceNode(this);
nickjillings@1925: 		if (interfaceNode.length != 0)
nickjillings@1925: 		{
nickjillings@1925: 			interfaceNode = interfaceNode[0];
nickjillings@1925: 			this.interfaces.decode(this,interfaceNode,this.schema.getAllElementsByName('interface')[1]);
nickjillings@1925: 		}
nickjillings@1925: 		
nickjillings@1925: 		// Page tags
nickjillings@1925: 		var pageTags = projectXML.getElementsByTagName('page');
nickjillings@1925: 		var pageSchema = this.schema.getAllElementsByName('page')[0];
nickjillings@1925: 		for (var i=0; i<pageTags.length; i++)
nickjillings@1925: 		{
nickjillings@1925: 			var node = new this.page(this);
nickjillings@1925: 			node.decode(this,pageTags[i],pageSchema);
nickjillings@1925: 			this.pages.push(node);
nickjillings@1925: 		}
nickjillings@1925: 	};
nickjillings@1925: 	
nickjillings@1925: 	this.encode = function()
nickjillings@1925: 	{
nickjillings@1925: 		var RootDocument = document.implementation.createDocument(null,"waet");
nickjillings@1925: 		var root = RootDocument.children[0];
nickjillings@1925:         root.setAttribute("xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance");
nickjillings@1925:         root.setAttribute("xsi:noNamespaceSchemaLocation","test-schema.xsd");
nickjillings@1925: 		// Build setup node
nickjillings@1925:         var setup = RootDocument.createElement("setup");
nickjillings@1925:         var schemaSetup = this.schema.getAllElementsByName('setup')[0];
nickjillings@1925:         // First decode the attributes
nickjillings@1925:         var attributes = schemaSetup.getAllElementsByTagName('xs:attribute');
nickjillings@1925:         for (var i=0; i<attributes.length; i++)
nickjillings@1925:         {
nickjillings@1925:             var name = attributes[i].getAttribute("name");
nickjillings@1925:             if (name == undefined) {
nickjillings@1925:                 name = attributes[i].getAttribute("ref");
nickjillings@1925:             }
nickjillings@1925:             if(eval("this."+name+" != undefined") || attributes[i].getAttribute("use") == "required")
nickjillings@1925:             {
nickjillings@1925:                 eval("setup.setAttribute('"+name+"',this."+name+")");
nickjillings@1925:             }
nickjillings@1925:         }
nickjillings@1925:         root.appendChild(setup);
nickjillings@1925:         // Survey node
nickjillings@1925:         if (this.exitText != null) {
nickjillings@1925:             var exitTextNode = RootDocument.createElement('exitText');
nickjillings@1925:             exitTextNode.textContent = this.exitText;
nickjillings@1925:             setup.appendChild(exitTextNode);
nickjillings@1925:         }
nickjillings@1925:         setup.appendChild(this.preTest.encode(RootDocument));
nickjillings@1925:         setup.appendChild(this.postTest.encode(RootDocument));
nickjillings@1925:         setup.appendChild(this.metrics.encode(RootDocument));
nickjillings@1925:         setup.appendChild(this.interfaces.encode(RootDocument));
nickjillings@1925:         for (var page of this.pages)
nickjillings@1925:         {
nickjillings@1925:             root.appendChild(page.encode(RootDocument));
nickjillings@1925:         }
nickjillings@1925: 		return RootDocument;
nickjillings@1925: 	};
nickjillings@1925: 	
nickjillings@1925: 	this.surveyNode = function(specification) {
nickjillings@1925: 		this.location = null;
nickjillings@1925: 		this.options = [];
nickjillings@1925:         this.parent = null;
nickjillings@1925: 		this.schema = specification.schema.getAllElementsByName('survey')[0];
nickjillings@1925:         this.specification = specification;
nickjillings@1925: 		
nickjillings@1925: 		this.OptionNode = function(specification) {
nickjillings@1925: 			this.type = undefined;
nickjillings@1925: 			this.schema = specification.schema.getAllElementsByName('surveyentry')[0];
nickjillings@1925: 			this.id = undefined;
nickjillings@1925:             this.name = undefined;
nickjillings@1925: 			this.mandatory = undefined;
nickjillings@1925: 			this.statement = undefined;
nickjillings@1925: 			this.boxsize = undefined;
nickjillings@1925: 			this.options = [];
nickjillings@1925: 			this.min = undefined;
nickjillings@1925: 			this.max = undefined;
nickjillings@1925: 			this.step = undefined;
nickjillings@1925: 			
nickjillings@1925: 			this.decode = function(parent,child)
nickjillings@1925: 			{
nickjillings@1925: 				var attributeMap = this.schema.getAllElementsByTagName('xs:attribute');
nickjillings@1925: 				for (var i in attributeMap){
nickjillings@1925: 					if(isNaN(Number(i)) == true){break;}
nickjillings@1925: 					var attributeName = attributeMap[i].getAttribute('name') || attributeMap[i].getAttribute('ref');
nickjillings@1925: 					var projectAttr = child.getAttribute(attributeName);
nickjillings@1925: 					projectAttr = parent.processAttribute(projectAttr,attributeMap[i],parent.schema);
nickjillings@1925: 					switch(typeof projectAttr)
nickjillings@1925: 					{
nickjillings@1925: 					case "number":
nickjillings@1925: 					case "boolean":
nickjillings@1925: 						eval('this.'+attributeName+' = '+projectAttr);
nickjillings@1925: 						break;
nickjillings@1925: 					case "string":
nickjillings@1925: 						eval('this.'+attributeName+' = "'+projectAttr+'"');
nickjillings@1925: 						break;
nickjillings@1925: 					}
nickjillings@1925: 				}
nickjillings@1925: 				this.statement = child.getElementsByTagName('statement')[0].textContent;
nickjillings@1925: 				if (this.type == "checkbox" || this.type == "radio") {
nickjillings@1925: 					var children = child.getElementsByTagName('option');
nickjillings@1925: 					if (children.length == null) {
nickjillings@1925: 						console.log('Malformed' +child.nodeName+ 'entry');
nickjillings@1925: 						this.statement = 'Malformed' +child.nodeName+ 'entry';
nickjillings@1925: 						this.type = 'statement';
nickjillings@1925: 					} else {
nickjillings@1925: 						this.options = [];
nickjillings@1925: 						for (var i in children)
nickjillings@1925: 						{
nickjillings@1925: 							if (isNaN(Number(i))==true){break;}
nickjillings@1925: 							this.options.push({
nickjillings@1925: 								name: children[i].getAttribute('name'),
nickjillings@1925: 								text: children[i].textContent
nickjillings@1925: 							});
nickjillings@1925: 						}
nickjillings@1925: 					}
nickjillings@1925: 				}
nickjillings@1925: 			};
nickjillings@1925: 			
nickjillings@1925: 			this.exportXML = function(doc)
nickjillings@1925: 			{
nickjillings@1925: 				var node = doc.createElement('surveyentry');
nickjillings@1925: 				node.setAttribute('type',this.type);
nickjillings@1925: 				var statement = doc.createElement('statement');
nickjillings@1925: 				statement.textContent = this.statement;
nickjillings@1925: 				node.appendChild(statement);
nickjillings@1925:                 node.id = this.id;
nickjillings@1925:                 if (this.name != undefined) { node.setAttribute("name",this.name);}
nickjillings@1925:                 if (this.mandatory != undefined) { node.setAttribute("mandatory",this.mandatory);}
nickjillings@1925:                 node.id = this.id;
nickjillings@1925:                 if (this.name != undefined) {node.setAttribute("name",this.name);}
nickjillings@1925:                 switch(this.type)
nickjillings@1925:                 {
nickjillings@1925:                     case "checkbox":
nickjillings@1925:                     case "radio":
nickjillings@1925:                         for (var i=0; i<this.options.length; i++)
nickjillings@1925:                         {
nickjillings@1925:                             var option = this.options[i];
nickjillings@1925:                             var optionNode = doc.createElement("option");
nickjillings@1925:                             optionNode.setAttribute("name",option.name);
nickjillings@1925:                             optionNode.textContent = option.text;
nickjillings@1925:                             node.appendChild(optionNode);
nickjillings@1925:                         }
nickjillings@1925:                     case "number":
nickjillings@1925:                         if (this.min != undefined) {node.setAttribute("min", this.min);}
nickjillings@1925:                         if (this.max != undefined) {node.setAttribute("max", this.max);}
nickjillings@1925:                     case "question":
nickjillings@1925:                         if (this.boxsize != undefined) {node.setAttribute("boxsize",this.boxsize);}
nickjillings@1925:                         if (this.mandatory != undefined) {node.setAttribute("mandatory",this.mandatory);}
nickjillings@1925:                     default:
nickjillings@1925:                         break;
nickjillings@1925:                 }
nickjillings@1925: 				return node;
nickjillings@1925: 			};
nickjillings@1925: 		};
nickjillings@1925: 		this.decode = function(parent,xml) {
nickjillings@1925:             this.parent = parent;
nickjillings@1925: 			this.location = xml.getAttribute('location');
nickjillings@1925: 			if (this.location == 'before'){this.location = 'pre';}
nickjillings@1925: 			else if (this.location == 'after'){this.location = 'post';}
nickjillings@1925: 			for (var i in xml.children)
nickjillings@1925: 			{
nickjillings@1925: 				if(isNaN(Number(i))==true){break;}
nickjillings@1925: 				var node = new this.OptionNode(this.specification);
nickjillings@1925: 				node.decode(parent,xml.children[i]);
nickjillings@1925: 				this.options.push(node);
nickjillings@1925: 			}
nickjillings@1925: 		};
nickjillings@1925: 		this.encode = function(doc) {
nickjillings@1925: 			var node = doc.createElement('survey');
nickjillings@1925: 			node.setAttribute('location',this.location);
nickjillings@1925: 			for (var i=0; i<this.options.length; i++)
nickjillings@1925: 			{
nickjillings@1925: 				node.appendChild(this.options[i].exportXML(doc));
nickjillings@1925: 			}
nickjillings@1925: 			return node;
nickjillings@1925: 		};
nickjillings@1925: 	};
nickjillings@1925: 	
nickjillings@1925: 	this.interfaceNode = function(specification)
nickjillings@1925: 	{
nickjillings@1925: 		this.title = null;
nickjillings@1925: 		this.name = null;
nickjillings@1925: 		this.options = [];
nickjillings@1925: 		this.scales = [];
nickjillings@1925: 		this.schema = specification.schema.getAllElementsByName('interface')[1];
nickjillings@1925: 		
nickjillings@1925: 		this.decode = function(parent,xml) {
nickjillings@1925: 			this.name = xml.getAttribute('name');
nickjillings@1925: 			var titleNode = xml.getElementsByTagName('title');
nickjillings@1925: 			if (titleNode.length == 1)
nickjillings@1925: 			{
nickjillings@1925: 				this.title = titleNode[0].textContent;
nickjillings@1925: 			}
nickjillings@1925: 			var interfaceOptionNodes = xml.getElementsByTagName('interfaceoption');
nickjillings@1925: 			// Extract interfaceoption node schema
nickjillings@1925: 			var interfaceOptionNodeSchema = this.schema.getAllElementsByName('interfaceoption')[0];
nickjillings@1925: 			var attributeMap = interfaceOptionNodeSchema.getAllElementsByTagName('xs:attribute');
nickjillings@1925: 			for (var i=0; i<interfaceOptionNodes.length; i++)
nickjillings@1925: 			{
nickjillings@1925: 				var ioNode = interfaceOptionNodes[i];
nickjillings@1925: 				var option = {};
nickjillings@1925: 				for (var j=0; j<attributeMap.length; j++)
nickjillings@1925: 				{
nickjillings@1925: 					var attributeName = attributeMap[j].getAttribute('name') || attributeMap[j].getAttribute('ref');
nickjillings@1925: 					var projectAttr = ioNode.getAttribute(attributeName);
nickjillings@1925:                     if(parent.processAttribute) {
nickjillings@1925:                         parent.processAttribute(projectAttr, attributeMap[j], parent.schema)
nickjillings@1925:                     } else {
nickjillings@1925:                         parent.parent.processAttribute(projectAttr, attributeMap[j], parent.parent.schema)
nickjillings@1925:                     }
nickjillings@1925: 					switch(typeof projectAttr)
nickjillings@1925: 					{
nickjillings@1925: 					case "number":
nickjillings@1925: 					case "boolean":
nickjillings@1925: 						eval('option.'+attributeName+' = '+projectAttr);
nickjillings@1925: 						break;
nickjillings@1925: 					case "string":
nickjillings@1925: 						eval('option.'+attributeName+' = "'+projectAttr+'"');
nickjillings@1925: 						break;
nickjillings@1925: 					}
nickjillings@1925: 				}
nickjillings@1925: 				this.options.push(option);
nickjillings@1925: 			}
nickjillings@1925: 			
nickjillings@1925: 			// Now the scales nodes
nickjillings@1925: 			var scaleParent = xml.getElementsByTagName('scales');
nickjillings@1925: 			if (scaleParent.length == 1) {
nickjillings@1925: 				scaleParent = scaleParent[0];
nickjillings@1925: 				for (var i=0; i<scaleParent.children.length; i++) {
nickjillings@1925: 					var child = scaleParent.children[i];
nickjillings@1925: 					this.scales.push({
nickjillings@1925: 						text: child.textContent,
nickjillings@1925: 						position: Number(child.getAttribute('position'))
nickjillings@1925: 					});
nickjillings@1925: 				}
nickjillings@1925: 			}
nickjillings@1925: 		};
nickjillings@1925: 		
nickjillings@1925: 		this.encode = function(doc) {
nickjillings@1925: 			var node = doc.createElement("interface");
nickjillings@1925:             if (typeof name == "string")
nickjillings@1925:                 node.setAttribute("name",this.name);
nickjillings@1925:             for (var option of this.options)
nickjillings@1925:             {
nickjillings@1925:                 var child = doc.createElement("interfaceoption");
nickjillings@1925:                 child.setAttribute("type",option.type);
nickjillings@1925:                 child.setAttribute("name",option.name);
nickjillings@1925:                 node.appendChild(child);
nickjillings@1925:             }
nickjillings@1925:             if (this.scales.length != 0) {
nickjillings@1925:                 var scales = doc.createElement("scales");
nickjillings@1925:                 for (var scale of this.scales)
nickjillings@1925:                 {
nickjillings@1925:                     var child = doc.createElement("scalelabel");
nickjillings@1925:                     child.setAttribute("position",scale.position);
nickjillings@1925:                     child.textContent = scale.text;
nickjillings@1925:                     scales.appendChild(child);
nickjillings@1925:                 }
nickjillings@1925:                 node.appendChild(scales);
nickjillings@1925:             }
nickjillings@1925:             return node;
nickjillings@1925: 		};
nickjillings@1925: 	};
nickjillings@1925: 	
nickjillings@1925:     this.metricNode = function() {
nickjillings@1925:         this.enabled = [];
nickjillings@1925:         this.decode = function(parent, xml) {
nickjillings@1925:             var children = xml.getElementsByTagName('metricenable');
nickjillings@1925:             for (var i in children) { 
nickjillings@1925:                 if (isNaN(Number(i)) == true){break;}
nickjillings@1925:                 this.enabled.push(children[i].textContent);
nickjillings@1925:             }
nickjillings@1925:         }
nickjillings@1925:         this.encode = function(doc) {
nickjillings@1925:             var node = doc.createElement('metric');
nickjillings@1925:             for (var i in this.enabled)
nickjillings@1925:             {
nickjillings@1925:                 if (isNaN(Number(i)) == true){break;}
nickjillings@1925:                 var child = doc.createElement('metricenable');
nickjillings@1925:                 child.textContent = this.enabled[i];
nickjillings@1925:                 node.appendChild(child);
nickjillings@1925:             }
nickjillings@1925:             return node;
nickjillings@1925:         }
nickjillings@1925:     }
nickjillings@1925:     
nickjillings@1925: 	this.page = function(specification) {
nickjillings@1925: 		this.presentedId = undefined;
nickjillings@1925: 		this.id = undefined;
nickjillings@1925: 		this.hostURL = undefined;
nickjillings@1925: 		this.randomiseOrder = undefined;
nickjillings@1925: 		this.loop = undefined;
nickjillings@1925: 		this.showElementComments = undefined;
nickjillings@1925: 		this.outsideReference = null;
nickjillings@1925: 		this.loudness = null;
nickjillings@1925:         this.label = null;
nickjillings@1925: 		this.preTest = null;
nickjillings@1925: 		this.postTest = null;
nickjillings@1925: 		this.interfaces = [];
nickjillings@1925: 		this.commentBoxPrefix = "Comment on track";
nickjillings@1925: 		this.audioElements = [];
nickjillings@1925: 		this.commentQuestions = [];
nickjillings@1925: 		this.schema = specification.schema.getAllElementsByName("page")[0];
nickjillings@1925:         this.specification = specification;
nickjillings@1925:         this.parent = null;
nickjillings@1925: 		
nickjillings@1925: 		this.decode = function(parent,xml)
nickjillings@1925: 		{
nickjillings@1925:             this.parent = parent;
nickjillings@1925: 			var attributeMap = this.schema.getAllElementsByTagName('xs:attribute');
nickjillings@1925: 			for (var i=0; i<attributeMap.length; i++)
nickjillings@1925: 			{
nickjillings@1925: 				var attributeName = attributeMap[i].getAttribute('name') || attributeMap[i].getAttribute('ref');
nickjillings@1925: 				var projectAttr = xml.getAttribute(attributeName);
nickjillings@1925: 				projectAttr = parent.processAttribute(projectAttr,attributeMap[i],parent.schema);
nickjillings@1925: 				switch(typeof projectAttr)
nickjillings@1925: 				{
nickjillings@1925: 				case "number":
nickjillings@1925: 				case "boolean":
nickjillings@1925: 					eval('this.'+attributeName+' = '+projectAttr);
nickjillings@1925: 					break;
nickjillings@1925: 				case "string":
nickjillings@1925: 					eval('this.'+attributeName+' = "'+projectAttr+'"');
nickjillings@1925: 					break;
nickjillings@1925: 				}
nickjillings@1925: 			}
nickjillings@1925: 			
nickjillings@1925: 			// Get the Comment Box Prefix
nickjillings@1925: 			var CBP = xml.getElementsByTagName('commentboxprefix');
nickjillings@1925: 			if (CBP.length != 0) {
nickjillings@1925: 				this.commentBoxPrefix = CBP[0].textContent;
nickjillings@1925: 			}
nickjillings@1925: 			
nickjillings@1925: 			// Now decode the interfaces
nickjillings@1925: 			var interfaceNode = xml.getElementsByTagName('interface');
nickjillings@1925: 			for (var i=0; i<interfaceNode.length; i++)
nickjillings@1925: 			{
nickjillings@1925: 				var node = new parent.interfaceNode(this.specification);
nickjillings@1925: 				node.decode(this,interfaceNode[i],parent.schema.getAllElementsByName('interface')[1]);
nickjillings@1925: 				this.interfaces.push(node);
nickjillings@1925: 			}
nickjillings@1925: 			
nickjillings@1925: 			// Now process the survey node options
nickjillings@1925: 			var survey = xml.getElementsByTagName('survey');
nickjillings@1925: 			var surveySchema = parent.schema.getAllElementsByName('survey')[0];
nickjillings@1925: 			for (var i in survey) {
nickjillings@1925: 				if (isNaN(Number(i)) == true){break;}
nickjillings@1925: 				var location = survey[i].getAttribute('location');
nickjillings@1925: 				if (location == 'pre' || location == 'before')
nickjillings@1925: 				{
nickjillings@1925: 					if (this.preTest != null){this.errors.push("Already a pre/before test survey defined! Ignoring second!!");}
nickjillings@1925: 					else {
nickjillings@1925: 						this.preTest = new parent.surveyNode(this.specification);
nickjillings@1925: 						this.preTest.decode(parent,survey[i],surveySchema);
nickjillings@1925: 					}
nickjillings@1925: 				} else if (location == 'post' || location == 'after') {
nickjillings@1925: 					if (this.postTest != null){this.errors.push("Already a post/after test survey defined! Ignoring second!!");}
nickjillings@1925: 					else {
nickjillings@1925: 						this.postTest = new parent.surveyNode(this.specification);
nickjillings@1925: 						this.postTest.decode(parent,survey[i],surveySchema);
nickjillings@1925: 					}
nickjillings@1925: 				}
nickjillings@1925: 			}
nickjillings@1925: 			
nickjillings@1925: 			// Now process the audioelement tags
nickjillings@1925: 			var audioElements = xml.getElementsByTagName('audioelement');
nickjillings@1925: 			for (var i=0; i<audioElements.length; i++)
nickjillings@1925: 			{
nickjillings@1925: 				var node = new this.audioElementNode(this.specification);
nickjillings@1925: 				node.decode(this,audioElements[i]);
nickjillings@1925: 				this.audioElements.push(node);
nickjillings@1925: 			}
nickjillings@1925: 			
nickjillings@1925: 			// Now decode the commentquestions
nickjillings@1925: 			var commentQuestions = xml.getElementsByTagName('commentquestion');
nickjillings@1925: 			for (var i=0; i<commentQuestions.length; i++)
nickjillings@1925: 			{
nickjillings@1925: 				var node = new this.commentQuestionNode(this.specification);
nickjillings@1925: 				node.decode(parent,commentQuestions[i]);
nickjillings@1925: 				this.commentQuestions.push(node);
nickjillings@1925: 			}
nickjillings@1925: 		};
nickjillings@1925: 		
nickjillings@1925: 		this.encode = function(root)
nickjillings@1925: 		{
nickjillings@1925: 			var AHNode = root.createElement("page");
nickjillings@1925:             // First decode the attributes
nickjillings@1925:             var attributes = this.schema.getAllElementsByTagName('xs:attribute');
nickjillings@1925:             for (var i=0; i<attributes.length; i++)
nickjillings@1925:             {
nickjillings@1925:                 var name = attributes[i].getAttribute("name");
nickjillings@1925:                 if (name == undefined) {
nickjillings@1925:                     name = attributes[i].getAttribute("ref");
nickjillings@1925:                 }
nickjillings@1925:                 if(eval("this."+name+" != undefined") || attributes[i].getAttribute("use") == "required")
nickjillings@1925:                 {
nickjillings@1925:                     eval("AHNode.setAttribute('"+name+"',this."+name+")");
nickjillings@1925:                 }
nickjillings@1925:             }
nickjillings@1925: 			if(this.loudness != null) {AHNode.setAttribute("loudness",this.loudness);}
nickjillings@1925:             // <commentboxprefix>
nickjillings@1925:             var commentboxprefix = root.createElement("commentboxprefix");
nickjillings@1925:             commentboxprefix.textContent = this.commentBoxPrefix;
nickjillings@1925:             AHNode.appendChild(commentboxprefix);
nickjillings@1925:             
nickjillings@1925: 			for (var i=0; i<this.interfaces.length; i++)
nickjillings@1925: 			{
nickjillings@1925: 				AHNode.appendChild(this.interfaces[i].encode(root));
nickjillings@1925: 			}
nickjillings@1925: 			
nickjillings@1925: 			for (var i=0; i<this.audioElements.length; i++) {
nickjillings@1925: 				AHNode.appendChild(this.audioElements[i].encode(root));
nickjillings@1925: 			}
nickjillings@1925: 			// Create <CommentQuestion>
nickjillings@1925: 			for (var i=0; i<this.commentQuestions.length; i++)
nickjillings@1925: 			{
nickjillings@1925: 				AHNode.appendChild(this.commentQuestions[i].encode(root));
nickjillings@1925: 			}
nickjillings@1925: 			
nickjillings@1925: 			AHNode.appendChild(this.preTest.encode(root));
nickjillings@1925:             AHNode.appendChild(this.postTest.encode(root));
nickjillings@1925: 			return AHNode;
nickjillings@1925: 		};
nickjillings@1925: 		
nickjillings@1925: 		this.commentQuestionNode = function(specification) {
nickjillings@1925: 			this.id = null;
nickjillings@1925:             this.name = undefined;
nickjillings@1925: 			this.type = undefined;
nickjillings@1925: 			this.options = [];
nickjillings@1925: 			this.statement = undefined;
nickjillings@1925: 			this.schema = specification.schema.getAllElementsByName('commentquestion')[0];
nickjillings@1925: 			this.decode = function(parent,xml)
nickjillings@1925: 			{
nickjillings@1925: 				this.id = xml.id;
nickjillings@1925:                 this.name = xml.getAttribute('name');
nickjillings@1925: 				this.type = xml.getAttribute('type');
nickjillings@1925: 				this.statement = xml.getElementsByTagName('statement')[0].textContent;
nickjillings@1925: 				var optNodes = xml.getElementsByTagName('option');
nickjillings@1925: 				for (var i=0; i<optNodes.length; i++)
nickjillings@1925: 				{
nickjillings@1925: 					var optNode = optNodes[i];
nickjillings@1925: 					this.options.push({
nickjillings@1925: 						name: optNode.getAttribute('name'),
nickjillings@1925: 						text: optNode.textContent
nickjillings@1925: 					});
nickjillings@1925: 				}
nickjillings@1925: 			};
nickjillings@1925: 			
nickjillings@1925: 			this.encode = function(root)
nickjillings@1925: 			{
nickjillings@1925: 				var node = root.createElement("commentquestion");
nickjillings@1925:                 node.id = this.id;
nickjillings@1925:                 node.setAttribute("type",this.type);
nickjillings@1925:                 if (this.name != undefined){node.setAttribute("name",this.name);}
nickjillings@1925:                 var statement = root.createElement("statement");
nickjillings@1925:                 statement.textContent = this.statement;
nickjillings@1925:                 node.appendChild(statement);
nickjillings@1925:                 for (var option of this.options)
nickjillings@1925:                 {
nickjillings@1925:                     var child = root.createElement("option");
nickjillings@1925:                     child.setAttribute("name",option.name);
nickjillings@1925:                     child.textContent = option.text;
nickjillings@1925:                     node.appendChild(child);
nickjillings@1925:                 }
nickjillings@1925:                 return node;
nickjillings@1925: 			};
nickjillings@1925: 		};
nickjillings@1925: 		
nickjillings@1925: 		this.audioElementNode = function(specification) {
nickjillings@1925: 			this.url = null;
nickjillings@1925: 			this.id = null;
nickjillings@1925:             this.name = null;
nickjillings@1925: 			this.parent = null;
nickjillings@1925: 			this.type = null;
nickjillings@1925: 			this.marker = null;
nickjillings@1925: 			this.enforce = false;
nickjillings@1925: 			this.gain = 0.0;
nickjillings@1925: 			this.schema = specification.schema.getAllElementsByName('audioelement')[0];;
nickjillings@1925: 			this.parent = null;
nickjillings@1925: 			this.decode = function(parent,xml)
nickjillings@1925: 			{
nickjillings@1925: 				this.parent = parent;
nickjillings@1925: 				var attributeMap = this.schema.getAllElementsByTagName('xs:attribute');
nickjillings@1925: 				for (var i=0; i<attributeMap.length; i++)
nickjillings@1925: 				{
nickjillings@1925: 					var attributeName = attributeMap[i].getAttribute('name') || attributeMap[i].getAttribute('ref');
nickjillings@1925: 					var projectAttr = xml.getAttribute(attributeName);
nickjillings@1925: 					projectAttr = parent.parent.processAttribute(projectAttr,attributeMap[i],parent.parent.schema);
nickjillings@1925: 					switch(typeof projectAttr)
nickjillings@1925: 					{
nickjillings@1925: 					case "number":
nickjillings@1925: 					case "boolean":
nickjillings@1925: 						eval('this.'+attributeName+' = '+projectAttr);
nickjillings@1925: 						break;
nickjillings@1925: 					case "string":
nickjillings@1925: 						eval('this.'+attributeName+' = "'+projectAttr+'"');
nickjillings@1925: 						break;
nickjillings@1925: 					}
nickjillings@1925: 				}
nickjillings@1925: 				
nickjillings@1925: 			};
nickjillings@1925: 			this.encode = function(root)
nickjillings@1925: 			{
nickjillings@1925: 				var AENode = root.createElement("audioelement");
nickjillings@1925: 				var attributes = this.schema.getAllElementsByTagName('xs:attribute');
nickjillings@1925:                 for (var i=0; i<attributes.length; i++)
nickjillings@1925:                 {
nickjillings@1925:                     var name = attributes[i].getAttribute("name");
nickjillings@1925:                     if (name == undefined) {
nickjillings@1925:                         name = attributes[i].getAttribute("ref");
nickjillings@1925:                     }
nickjillings@1925:                     if(eval("this."+name+" != undefined") || attributes[i].getAttribute("use") == "required")
nickjillings@1925:                     {
nickjillings@1925:                         eval("AENode.setAttribute('"+name+"',this."+name+")");
nickjillings@1925:                     }
nickjillings@1925:                 }
nickjillings@1925: 				return AENode;
nickjillings@1925: 			};
nickjillings@1925: 		};
nickjillings@1925: 	};
nickjillings@1925: }