diff new/js/specification.js @ 15:853caf8cd74b

Update

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/new/js/specification.js	Wed May 04 17:25:19 2016 +0100
@@ -0,0 +1,666 @@
+function Specification() {
+	// Handles the decoding of the project specification XML into a simple JavaScript Object.
+	
+	this.interface = null;
+	this.projectReturn = null;
+    this.returnURL = null;
+	this.randomiseOrder = null;
+	this.testPages = null;
+	this.pages = [];
+	this.metrics = null;
+	this.interfaces = null;
+	this.loudness = null;
+	this.errors = [];
+	this.schema = null;
+    this.exitText = "Thank you.";
+	
+	this.processAttribute = function(attribute,schema,schemaRoot)
+	{
+		// attribute is the string returned from getAttribute on the XML
+		// schema is the <xs:attribute> node
+		if (schema.getAttribute('name') == undefined && schema.getAttribute('ref') != undefined)
+		{
+			schema = schemaRoot.getAllElementsByName(schema.getAttribute('ref'))[0];
+		}
+		var defaultOpt = schema.getAttribute('default');
+		if (attribute == null) {
+			attribute = defaultOpt;
+		}
+		var dataType = schema.getAttribute('type');
+		if (typeof dataType == "string") { dataType = dataType.substr(3);}
+		else {
+            var rest = schema.getAllElementsByTagName("xs:restriction").concat(schema.getAllElementsByTagName("xs:enumeration"));
+            if (rest.length > 0) {
+                dataType = rest[0].getAttribute("base");
+                if (typeof dataType == "string") {
+                    dataType = dataType.substr(3);
+                } else {
+                    dataType = "string";
+                }
+            } else {
+                dataType = "string";
+            }
+        }
+		if (attribute == null)
+		{
+			return attribute;
+		}
+		switch(dataType)
+		{
+		case "boolean":
+			if (attribute == 'true'){attribute = true;}else{attribute=false;}
+			break;
+		case "negativeInteger":
+		case "positiveInteger":
+		case "nonNegativeInteger":
+		case "nonPositiveInteger":
+		case "integer":
+		case "decimal":
+		case "short":
+			attribute = Number(attribute);
+			break;
+		case "string":
+		default:
+			attribute = String(attribute);
+			break;
+		}
+		return attribute;
+	};
+	
+	this.decode = function(projectXML) {
+		this.errors = [];
+		// projectXML - DOM Parsed document
+		this.projectXML = projectXML.childNodes[0];
+		var setupNode = projectXML.getElementsByTagName('setup')[0];
+		var schemaSetup = this.schema.getAllElementsByName('setup')[0];
+		// First decode the attributes
+		var attributes = schemaSetup.getAllElementsByTagName('xs:attribute');
+		for (var i in attributes)
+		{
+			if (isNaN(Number(i)) == true){break;}
+			var attributeName = attributes[i].getAttribute('name') || attributes[i].getAttribute('ref');
+			var projectAttr = setupNode.getAttribute(attributeName);
+			projectAttr = this.processAttribute(projectAttr,attributes[i],this.schema);
+			switch(typeof projectAttr)
+			{
+			case "number":
+			case "boolean":
+				eval('this.'+attributeName+' = '+projectAttr);
+				break;
+			case "string":
+				eval('this.'+attributeName+' = "'+projectAttr+'"');
+				break;
+			}
+			
+		}
+        
+        var exitTextNode = setupNode.getElementsByTagName('exitText');
+        if (exitTextNode.length == 1) {
+            this.exitText = exitTextNode[0].textContent;
+        }
+		
+		this.metrics = new this.metricNode();
+		
+		this.metrics.decode(this,setupNode.getElementsByTagName('metric')[0]);
+		
+		// Now process the survey node options
+		var survey = setupNode.getElementsByTagName('survey');
+		for (var i in survey) {
+			if (isNaN(Number(i)) == true){break;}
+			var location = survey[i].getAttribute('location');
+            switch(location)
+            {
+                case 'pre':
+                case 'before':
+                    if (this.preTest != null){console.log("Already a pre/before test survey defined! Ignoring second!!");}
+                    else {
+                        this.preTest = new this.surveyNode(this);
+                        this.preTest.decode(this,survey[i]);
+                    }
+                    break;
+                case 'post':
+                case 'after':
+                    if (this.postTest != null){console.log("Already a post/after test survey defined! Ignoring second!!");}
+                    else {
+                        this.postTest = new this.surveyNode(this);
+                        this.postTest.decode(this,survey[i]);
+                    }
+                    break;
+            }
+		}
+		
+		var interfaceNode = setupNode.getElementsByTagName('interface');
+		if (interfaceNode.length > 1)
+		{
+			this.errors.push("Only one <interface> node in the <setup> node allowed! Others except first ingnored!");
+		}
+		this.interfaces = new this.interfaceNode(this);
+		if (interfaceNode.length != 0)
+		{
+			interfaceNode = interfaceNode[0];
+			this.interfaces.decode(this,interfaceNode,this.schema.getAllElementsByName('interface')[1]);
+		}
+		
+		// Page tags
+		var pageTags = projectXML.getElementsByTagName('page');
+		var pageSchema = this.schema.getAllElementsByName('page')[0];
+		for (var i=0; i<pageTags.length; i++)
+		{
+			var node = new this.page(this);
+			node.decode(this,pageTags[i],pageSchema);
+			this.pages.push(node);
+		}
+	};
+	
+	this.encode = function()
+	{
+		var RootDocument = document.implementation.createDocument(null,"waet");
+		var root = RootDocument.children[0];
+        root.setAttribute("xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance");
+        root.setAttribute("xsi:noNamespaceSchemaLocation","test-schema.xsd");
+		// Build setup node
+        var setup = RootDocument.createElement("setup");
+        var schemaSetup = this.schema.getAllElementsByName('setup')[0];
+        // First decode the attributes
+        var attributes = schemaSetup.getAllElementsByTagName('xs:attribute');
+        for (var i=0; i<attributes.length; i++)
+        {
+            var name = attributes[i].getAttribute("name");
+            if (name == undefined) {
+                name = attributes[i].getAttribute("ref");
+            }
+            if(eval("this."+name+" != undefined") || attributes[i].getAttribute("use") == "required")
+            {
+                eval("setup.setAttribute('"+name+"',this."+name+")");
+            }
+        }
+        root.appendChild(setup);
+        // Survey node
+        if (this.exitText != null) {
+            var exitTextNode = RootDocument.createElement('exitText');
+            exitTextNode.textContent = this.exitText;
+            setup.appendChild(exitTextNode);
+        }
+        setup.appendChild(this.preTest.encode(RootDocument));
+        setup.appendChild(this.postTest.encode(RootDocument));
+        setup.appendChild(this.metrics.encode(RootDocument));
+        setup.appendChild(this.interfaces.encode(RootDocument));
+        for (var page of this.pages)
+        {
+            root.appendChild(page.encode(RootDocument));
+        }
+		return RootDocument;
+	};
+	
+	this.surveyNode = function(specification) {
+		this.location = null;
+		this.options = [];
+        this.parent = null;
+		this.schema = specification.schema.getAllElementsByName('survey')[0];
+        this.specification = specification;
+		
+		this.OptionNode = function(specification) {
+			this.type = undefined;
+			this.schema = specification.schema.getAllElementsByName('surveyentry')[0];
+			this.id = undefined;
+            this.name = undefined;
+			this.mandatory = undefined;
+			this.statement = undefined;
+			this.boxsize = undefined;
+			this.options = [];
+			this.min = undefined;
+			this.max = undefined;
+			this.step = undefined;
+			
+			this.decode = function(parent,child)
+			{
+				var attributeMap = this.schema.getAllElementsByTagName('xs:attribute');
+				for (var i in attributeMap){
+					if(isNaN(Number(i)) == true){break;}
+					var attributeName = attributeMap[i].getAttribute('name') || attributeMap[i].getAttribute('ref');
+					var projectAttr = child.getAttribute(attributeName);
+					projectAttr = parent.processAttribute(projectAttr,attributeMap[i],parent.schema);
+					switch(typeof projectAttr)
+					{
+					case "number":
+					case "boolean":
+						eval('this.'+attributeName+' = '+projectAttr);
+						break;
+					case "string":
+						eval('this.'+attributeName+' = "'+projectAttr+'"');
+						break;
+					}
+				}
+				this.statement = child.getElementsByTagName('statement')[0].textContent;
+				if (this.type == "checkbox" || this.type == "radio") {
+					var children = child.getElementsByTagName('option');
+					if (children.length == null) {
+						console.log('Malformed' +child.nodeName+ 'entry');
+						this.statement = 'Malformed' +child.nodeName+ 'entry';
+						this.type = 'statement';
+					} else {
+						this.options = [];
+						for (var i in children)
+						{
+							if (isNaN(Number(i))==true){break;}
+							this.options.push({
+								name: children[i].getAttribute('name'),
+								text: children[i].textContent
+							});
+						}
+					}
+				}
+			};
+			
+			this.exportXML = function(doc)
+			{
+				var node = doc.createElement('surveyentry');
+				node.setAttribute('type',this.type);
+				var statement = doc.createElement('statement');
+				statement.textContent = this.statement;
+				node.appendChild(statement);
+                node.id = this.id;
+                if (this.name != undefined) { node.setAttribute("name",this.name);}
+                if (this.mandatory != undefined) { node.setAttribute("mandatory",this.mandatory);}
+                node.id = this.id;
+                if (this.name != undefined) {node.setAttribute("name",this.name);}
+                switch(this.type)
+                {
+                    case "checkbox":
+                    case "radio":
+                        for (var i=0; i<this.options.length; i++)
+                        {
+                            var option = this.options[i];
+                            var optionNode = doc.createElement("option");
+                            optionNode.setAttribute("name",option.name);
+                            optionNode.textContent = option.text;
+                            node.appendChild(optionNode);
+                        }
+                    case "number":
+                        if (this.min != undefined) {node.setAttribute("min", this.min);}
+                        if (this.max != undefined) {node.setAttribute("max", this.max);}
+                    case "question":
+                        if (this.boxsize != undefined) {node.setAttribute("boxsize",this.boxsize);}
+                        if (this.mandatory != undefined) {node.setAttribute("mandatory",this.mandatory);}
+                    default:
+                        break;
+                }
+				return node;
+			};
+		};
+		this.decode = function(parent,xml) {
+            this.parent = parent;
+			this.location = xml.getAttribute('location');
+			if (this.location == 'before'){this.location = 'pre';}
+			else if (this.location == 'after'){this.location = 'post';}
+            var children = xml.getAllElementsByTagName('surveyentry');
+			for (var i=0; i<children.length; i++)
+			{
+				var node = new this.OptionNode(this.specification);
+				node.decode(parent,children[i]);
+				this.options.push(node);
+			}
+            if (this.options.length == 0) {
+                console.log("Empty survey node");
+                console.log(this);
+            }
+		};
+		this.encode = function(doc) {
+			var node = doc.createElement('survey');
+			node.setAttribute('location',this.location);
+			for (var i=0; i<this.options.length; i++)
+			{
+				node.appendChild(this.options[i].exportXML(doc));
+			}
+			return node;
+		};
+	};
+	
+	this.interfaceNode = function(specification)
+	{
+		this.title = null;
+		this.name = null;
+		this.options = [];
+		this.scales = [];
+		this.schema = specification.schema.getAllElementsByName('interface')[1];
+		
+		this.decode = function(parent,xml) {
+			this.name = xml.getAttribute('name');
+			var titleNode = xml.getElementsByTagName('title');
+			if (titleNode.length == 1)
+			{
+				this.title = titleNode[0].textContent;
+			}
+			var interfaceOptionNodes = xml.getElementsByTagName('interfaceoption');
+			// Extract interfaceoption node schema
+			var interfaceOptionNodeSchema = this.schema.getAllElementsByName('interfaceoption')[0];
+			var attributeMap = interfaceOptionNodeSchema.getAllElementsByTagName('xs:attribute');
+			for (var i=0; i<interfaceOptionNodes.length; i++)
+			{
+				var ioNode = interfaceOptionNodes[i];
+				var option = {};
+				for (var j=0; j<attributeMap.length; j++)
+				{
+					var attributeName = attributeMap[j].getAttribute('name') || attributeMap[j].getAttribute('ref');
+					var projectAttr = ioNode.getAttribute(attributeName);
+                    if(parent.processAttribute) {
+                        parent.processAttribute(projectAttr, attributeMap[j], parent.schema)
+                    } else {
+                        parent.parent.processAttribute(projectAttr, attributeMap[j], parent.parent.schema)
+                    }
+					switch(typeof projectAttr)
+					{
+					case "number":
+					case "boolean":
+						eval('option.'+attributeName+' = '+projectAttr);
+						break;
+					case "string":
+						eval('option.'+attributeName+' = "'+projectAttr+'"');
+						break;
+					}
+				}
+				this.options.push(option);
+			}
+			
+			// Now the scales nodes
+			var scaleParent = xml.getElementsByTagName('scales');
+			if (scaleParent.length == 1) {
+				scaleParent = scaleParent[0];
+                var scalelabels = scaleParent.getAllElementsByTagName('scalelabel');
+				for (var i=0; i<scalelabels.length; i++) {
+					this.scales.push({
+						text: scalelabels[i].textContent,
+						position: Number(scalelabels[i].getAttribute('position'))
+					});
+				}
+			}
+		};
+		
+		this.encode = function(doc) {
+			var node = doc.createElement("interface");
+            if (typeof name == "string")
+                node.setAttribute("name",this.name);
+            if (typeof this.title == "string") {
+                var titleNode = doc.createElement("title");
+                titleNode.textContent = this.title;
+                node.appendChild(titleNode);
+            }
+            for (var option of this.options)
+            {
+                var child = doc.createElement("interfaceoption");
+                child.setAttribute("type",option.type);
+                child.setAttribute("name",option.name);
+                node.appendChild(child);
+            }
+            if (this.scales.length != 0) {
+                var scales = doc.createElement("scales");
+                for (var scale of this.scales)
+                {
+                    var child = doc.createElement("scalelabel");
+                    child.setAttribute("position",scale.position);
+                    child.textContent = scale.text;
+                    scales.appendChild(child);
+                }
+                node.appendChild(scales);
+            }
+            return node;
+		};
+	};
+	
+    this.metricNode = function() {
+        this.enabled = [];
+        this.decode = function(parent, xml) {
+            var children = xml.getElementsByTagName('metricenable');
+            for (var i in children) { 
+                if (isNaN(Number(i)) == true){break;}
+                this.enabled.push(children[i].textContent);
+            }
+        }
+        this.encode = function(doc) {
+            var node = doc.createElement('metric');
+            for (var i in this.enabled)
+            {
+                if (isNaN(Number(i)) == true){break;}
+                var child = doc.createElement('metricenable');
+                child.textContent = this.enabled[i];
+                node.appendChild(child);
+            }
+            return node;
+        }
+    }
+    
+	this.page = function(specification) {
+		this.presentedId = undefined;
+		this.id = undefined;
+		this.hostURL = undefined;
+		this.randomiseOrder = undefined;
+		this.loop = undefined;
+		this.showElementComments = undefined;
+		this.outsideReference = null;
+		this.loudness = null;
+        this.label = null;
+		this.preTest = null;
+		this.postTest = null;
+		this.interfaces = [];
+		this.commentBoxPrefix = "Comment on track";
+		this.audioElements = [];
+		this.commentQuestions = [];
+		this.schema = specification.schema.getAllElementsByName("page")[0];
+        this.specification = specification;
+        this.parent = null;
+		
+		this.decode = function(parent,xml)
+		{
+            this.parent = parent;
+			var attributeMap = this.schema.getAllElementsByTagName('xs:attribute');
+			for (var i=0; i<attributeMap.length; i++)
+			{
+				var attributeName = attributeMap[i].getAttribute('name') || attributeMap[i].getAttribute('ref');
+				var projectAttr = xml.getAttribute(attributeName);
+				projectAttr = parent.processAttribute(projectAttr,attributeMap[i],parent.schema);
+				switch(typeof projectAttr)
+				{
+				case "number":
+				case "boolean":
+					eval('this.'+attributeName+' = '+projectAttr);
+					break;
+				case "string":
+					eval('this.'+attributeName+' = "'+projectAttr+'"');
+					break;
+				}
+			}
+			
+			// Get the Comment Box Prefix
+			var CBP = xml.getElementsByTagName('commentboxprefix');
+			if (CBP.length != 0) {
+				this.commentBoxPrefix = CBP[0].textContent;
+			}
+			
+			// Now decode the interfaces
+			var interfaceNode = xml.getElementsByTagName('interface');
+			for (var i=0; i<interfaceNode.length; i++)
+			{
+				var node = new parent.interfaceNode(this.specification);
+				node.decode(this,interfaceNode[i],parent.schema.getAllElementsByName('interface')[1]);
+				this.interfaces.push(node);
+			}
+			
+			// Now process the survey node options
+			var survey = xml.getElementsByTagName('survey');
+			var surveySchema = parent.schema.getAllElementsByName('survey')[0];
+			for (var i in survey) {
+				if (isNaN(Number(i)) == true){break;}
+				var location = survey[i].getAttribute('location');
+				if (location == 'pre' || location == 'before')
+				{
+					if (this.preTest != null){this.errors.push("Already a pre/before test survey defined! Ignoring second!!");}
+					else {
+						this.preTest = new parent.surveyNode(this.specification);
+						this.preTest.decode(parent,survey[i],surveySchema);
+					}
+				} else if (location == 'post' || location == 'after') {
+					if (this.postTest != null){this.errors.push("Already a post/after test survey defined! Ignoring second!!");}
+					else {
+						this.postTest = new parent.surveyNode(this.specification);
+						this.postTest.decode(parent,survey[i],surveySchema);
+					}
+				}
+			}
+			
+			// Now process the audioelement tags
+			var audioElements = xml.getElementsByTagName('audioelement');
+			for (var i=0; i<audioElements.length; i++)
+			{
+				var node = new this.audioElementNode(this.specification);
+				node.decode(this,audioElements[i]);
+				this.audioElements.push(node);
+			}
+			
+			// Now decode the commentquestions
+			var commentQuestions = xml.getElementsByTagName('commentquestion');
+			for (var i=0; i<commentQuestions.length; i++)
+			{
+				var node = new this.commentQuestionNode(this.specification);
+				node.decode(parent,commentQuestions[i]);
+				this.commentQuestions.push(node);
+			}
+		};
+		
+		this.encode = function(root)
+		{
+			var AHNode = root.createElement("page");
+            // First decode the attributes
+            var attributes = this.schema.getAllElementsByTagName('xs:attribute');
+            for (var i=0; i<attributes.length; i++)
+            {
+                var name = attributes[i].getAttribute("name");
+                if (name == undefined) {
+                    name = attributes[i].getAttribute("ref");
+                }
+                if(eval("this."+name+" != undefined") || attributes[i].getAttribute("use") == "required")
+                {
+                    eval("AHNode.setAttribute('"+name+"',this."+name+")");
+                }
+            }
+			if(this.loudness != null) {AHNode.setAttribute("loudness",this.loudness);}
+            // <commentboxprefix>
+            var commentboxprefix = root.createElement("commentboxprefix");
+            commentboxprefix.textContent = this.commentBoxPrefix;
+            AHNode.appendChild(commentboxprefix);
+            
+			for (var i=0; i<this.interfaces.length; i++)
+			{
+				AHNode.appendChild(this.interfaces[i].encode(root));
+			}
+			
+			for (var i=0; i<this.audioElements.length; i++) {
+				AHNode.appendChild(this.audioElements[i].encode(root));
+			}
+			// Create <CommentQuestion>
+			for (var i=0; i<this.commentQuestions.length; i++)
+			{
+				AHNode.appendChild(this.commentQuestions[i].encode(root));
+			}
+			
+			AHNode.appendChild(this.preTest.encode(root));
+            AHNode.appendChild(this.postTest.encode(root));
+			return AHNode;
+		};
+		
+		this.commentQuestionNode = function(specification) {
+			this.id = null;
+            this.name = undefined;
+			this.type = undefined;
+			this.options = [];
+			this.statement = undefined;
+			this.schema = specification.schema.getAllElementsByName('commentquestion')[0];
+			this.decode = function(parent,xml)
+			{
+				this.id = xml.id;
+                this.name = xml.getAttribute('name');
+				this.type = xml.getAttribute('type');
+				this.statement = xml.getElementsByTagName('statement')[0].textContent;
+				var optNodes = xml.getElementsByTagName('option');
+				for (var i=0; i<optNodes.length; i++)
+				{
+					var optNode = optNodes[i];
+					this.options.push({
+						name: optNode.getAttribute('name'),
+						text: optNode.textContent
+					});
+				}
+			};
+			
+			this.encode = function(root)
+			{
+				var node = root.createElement("commentquestion");
+                node.id = this.id;
+                node.setAttribute("type",this.type);
+                if (this.name != undefined){node.setAttribute("name",this.name);}
+                var statement = root.createElement("statement");
+                statement.textContent = this.statement;
+                node.appendChild(statement);
+                for (var option of this.options)
+                {
+                    var child = root.createElement("option");
+                    child.setAttribute("name",option.name);
+                    child.textContent = option.text;
+                    node.appendChild(child);
+                }
+                return node;
+			};
+		};
+		
+		this.audioElementNode = function(specification) {
+			this.url = null;
+			this.id = null;
+            this.name = null;
+			this.parent = null;
+			this.type = null;
+			this.marker = null;
+			this.enforce = false;
+			this.gain = 0.0;
+			this.schema = specification.schema.getAllElementsByName('audioelement')[0];;
+			this.parent = null;
+			this.decode = function(parent,xml)
+			{
+				this.parent = parent;
+				var attributeMap = this.schema.getAllElementsByTagName('xs:attribute');
+				for (var i=0; i<attributeMap.length; i++)
+				{
+					var attributeName = attributeMap[i].getAttribute('name') || attributeMap[i].getAttribute('ref');
+					var projectAttr = xml.getAttribute(attributeName);
+					projectAttr = parent.parent.processAttribute(projectAttr,attributeMap[i],parent.parent.schema);
+					switch(typeof projectAttr)
+					{
+					case "number":
+					case "boolean":
+						eval('this.'+attributeName+' = '+projectAttr);
+						break;
+					case "string":
+						eval('this.'+attributeName+' = "'+projectAttr+'"');
+						break;
+					}
+				}
+				
+			};
+			this.encode = function(root)
+			{
+				var AENode = root.createElement("audioelement");
+				var attributes = this.schema.getAllElementsByTagName('xs:attribute');
+                for (var i=0; i<attributes.length; i++)
+                {
+                    var name = attributes[i].getAttribute("name");
+                    if (name == undefined) {
+                        name = attributes[i].getAttribute("ref");
+                    }
+                    if(eval("this."+name+" != undefined") || attributes[i].getAttribute("use") == "required")
+                    {
+                        eval("AENode.setAttribute('"+name+"',this."+name+")");
+                    }
+                }
+				return AENode;
+			};
+		};
+	};
+}
\ No newline at end of file