nicholas@2224: function Specification() {
nicholas@2573:     // Handles the decoding of the project specification XML into a simple JavaScript Object.
nicholas@2573: 
nicholas@2378:     // <setup> attributes
nicholas@2573:     this.interface = null;
nicholas@2573:     this.projectReturn = null;
nicholas@2303:     this.returnURL = null;
nicholas@2573:     this.randomiseOrder = null;
nicholas@2573:     this.poolSize = null;
nicholas@2378:     this.loudness = null;
nicholas@2378:     this.sampleRate = null;
nicholas@2378:     this.calibration = null;
nicholas@2378:     this.crossFade = null;
nicholas@2378:     this.preSilence = null;
nicholas@2378:     this.postSilence = null;
n@2426:     this.playOne = null;
nicholas@2573: 
nicholas@2378:     // nodes
nicholas@2378:     this.metrics = null;
nicholas@2378:     this.preTest = undefined;
nicholas@2378:     this.postTest = undefined;
nicholas@2573:     this.pages = [];
nicholas@2573:     this.interfaces = null;
nicholas@2573:     this.errors = [];
nicholas@2573:     this.schema = null;
nicholas@2224:     this.exitText = "Thank you.";
nicholas@2573: 
nicholas@2573:     this.processAttribute = function (attribute, schema, schemaRoot) {
nicholas@2573:         // attribute is the string returned from getAttribute on the XML
nicholas@2573:         // schema is the <xs:attribute> node
nicholas@2573:         if (schema.getAttribute('name') == undefined && schema.getAttribute('ref') != undefined) {
nicholas@2573:             schema = schemaRoot.getAllElementsByName(schema.getAttribute('ref'))[0];
nicholas@2573:         }
nicholas@2573:         var defaultOpt = schema.getAttribute('default');
nicholas@2573:         if (attribute == null) {
nicholas@2573:             attribute = defaultOpt;
nicholas@2573:         }
nicholas@2573:         var dataType = schema.getAttribute('type');
nicholas@2573:         if (typeof dataType == "string") {
nicholas@2573:             dataType = dataType.substr(3);
nicholas@2573:         } else {
nicholas@2224:             var rest = schema.getAllElementsByTagName("xs:restriction").concat(schema.getAllElementsByTagName("xs:enumeration"));
nicholas@2224:             if (rest.length > 0) {
nicholas@2224:                 dataType = rest[0].getAttribute("base");
nicholas@2224:                 if (typeof dataType == "string") {
nicholas@2224:                     dataType = dataType.substr(3);
nicholas@2224:                 } else {
nicholas@2224:                     dataType = "string";
nicholas@2224:                 }
nicholas@2224:             } else {
nicholas@2224:                 dataType = "string";
nicholas@2224:             }
nicholas@2224:         }
nicholas@2573:         if (attribute == null) {
nicholas@2573:             return attribute;
nicholas@2573:         }
nicholas@2573:         switch (dataType) {
nicholas@2573:             case "boolean":
nicholas@2573:                 if (attribute == 'true') {
nicholas@2573:                     attribute = true;
nicholas@2573:                 } else {
nicholas@2573:                     attribute = false;
nicholas@2573:                 }
nicholas@2573:                 break;
nicholas@2573:             case "negativeInteger":
nicholas@2573:             case "positiveInteger":
nicholas@2573:             case "nonNegativeInteger":
nicholas@2573:             case "nonPositiveInteger":
nicholas@2573:             case "integer":
nicholas@2573:             case "decimal":
nicholas@2573:             case "short":
nicholas@2573:                 attribute = Number(attribute);
nicholas@2573:                 break;
nicholas@2573:             case "string":
nicholas@2573:             default:
nicholas@2573:                 attribute = String(attribute);
nicholas@2573:                 break;
nicholas@2573:         }
nicholas@2573:         return attribute;
nicholas@2573:     };
nicholas@2573: 
nicholas@2573:     this.decode = function (projectXML) {
nicholas@2573:         this.errors = [];
nicholas@2573:         // projectXML - DOM Parsed document
nicholas@2573:         this.projectXML = projectXML.childNodes[0];
nicholas@2573:         var setupNode = projectXML.getElementsByTagName('setup')[0];
nicholas@2573:         var schemaSetup = this.schema.getAllElementsByName('setup')[0];
nicholas@2573:         // First decode the attributes
nicholas@2573:         var attributes = schemaSetup.getAllElementsByTagName('xs:attribute');
nicholas@2573:         for (var i = 0; i < attributes.length; i++) {
nicholas@2573:             var attributeName = attributes[i].getAttribute('name') || attributes[i].getAttribute('ref');
nicholas@2573:             var projectAttr = setupNode.getAttribute(attributeName);
nicholas@2573:             projectAttr = this.processAttribute(projectAttr, attributes[i], this.schema);
nicholas@2573:             switch (typeof projectAttr) {
nicholas@2573:                 case "number":
nicholas@2573:                 case "boolean":
nicholas@2573:                     eval('this.' + attributeName + ' = ' + projectAttr);
nicholas@2573:                     break;
nicholas@2573:                 case "string":
nicholas@2573:                     eval('this.' + attributeName + ' = "' + projectAttr + '"');
nicholas@2573:                     break;
nicholas@2573:             }
nicholas@2573: 
nicholas@2573:         }
nicholas@2573: 
nicholas@2224:         var exitTextNode = setupNode.getElementsByTagName('exitText');
nicholas@2224:         if (exitTextNode.length == 1) {
nicholas@2224:             this.exitText = exitTextNode[0].textContent;
nicholas@2224:         }
nicholas@2573: 
nicholas@2573:         this.metrics = new this.metricNode();
nicholas@2573: 
nicholas@2573:         this.metrics.decode(this, setupNode.getElementsByTagName('metric')[0]);
nicholas@2573: 
nicholas@2573:         // Now process the survey node options
nicholas@2573:         var survey = setupNode.getElementsByTagName('survey');
nicholas@2573:         for (var i = 0; i < survey.length; i++) {
nicholas@2573:             var location = survey[i].getAttribute('location');
nicholas@2573:             switch (location) {
nicholas@2257:                 case 'pre':
nicholas@2257:                 case 'before':
nicholas@2573:                     this.preTest = new this.surveyNode(this);
nicholas@2573:                     this.preTest.decode(this, survey[i]);
nicholas@2257:                     break;
nicholas@2257:                 case 'post':
nicholas@2257:                 case 'after':
b@2437:                     this.postTest = new this.surveyNode(this);
nicholas@2573:                     this.postTest.decode(this, survey[i]);
nicholas@2257:                     break;
nicholas@2257:             }
nicholas@2573:         }
nicholas@2573: 
nicholas@2573:         var interfaceNode = setupNode.getElementsByTagName('interface');
nicholas@2573:         if (interfaceNode.length > 1) {
nicholas@2573:             this.errors.push("Only one <interface> node in the <setup> node allowed! Others except first ingnored!");
nicholas@2573:         }
nicholas@2573:         this.interfaces = new this.interfaceNode(this);
nicholas@2573:         if (interfaceNode.length != 0) {
nicholas@2573:             interfaceNode = interfaceNode[0];
nicholas@2573:             this.interfaces.decode(this, interfaceNode, this.schema.getAllElementsByName('interface')[1]);
nicholas@2573:         }
nicholas@2573: 
nicholas@2573:         // Page tags
nicholas@2573:         var pageTags = projectXML.getElementsByTagName('page');
nicholas@2573:         var pageSchema = this.schema.getAllElementsByName('page')[0];
nicholas@2573:         for (var i = 0; i < pageTags.length; i++) {
nicholas@2573:             var node = new this.page(this);
nicholas@2573:             node.decode(this, pageTags[i], pageSchema);
nicholas@2573:             this.pages.push(node);
nicholas@2573:         }
nicholas@2573:     };
nicholas@2573: 
nicholas@2573:     this.encode = function () {
nicholas@2573:         var RootDocument = document.implementation.createDocument(null, "waet");
nicholas@2573:         var root = RootDocument.firstChild;
nicholas@2573:         root.setAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
nicholas@2573:         root.setAttribute("xsi:noNamespaceSchemaLocation", "test-schema.xsd");
nicholas@2573:         // Build setup node
nicholas@2224:         var setup = RootDocument.createElement("setup");
nicholas@2224:         var schemaSetup = this.schema.getAllElementsByName('setup')[0];
nicholas@2224:         // First decode the attributes
nicholas@2224:         var attributes = schemaSetup.getAllElementsByTagName('xs:attribute');
nicholas@2573:         for (var i = 0; i < attributes.length; i++) {
nicholas@2224:             var name = attributes[i].getAttribute("name");
nicholas@2224:             if (name == undefined) {
nicholas@2224:                 name = attributes[i].getAttribute("ref");
nicholas@2224:             }
nicholas@2573:             if (eval("this." + name + " != undefined") || attributes[i].getAttribute("use") == "required") {
nicholas@2573:                 eval("setup.setAttribute('" + name + "',this." + name + ")");
nicholas@2224:             }
nicholas@2224:         }
nicholas@2224:         root.appendChild(setup);
nicholas@2224:         // Survey node
nicholas@2224:         if (this.exitText != null) {
nicholas@2224:             var exitTextNode = RootDocument.createElement('exitText');
nicholas@2224:             exitTextNode.textContent = this.exitText;
nicholas@2224:             setup.appendChild(exitTextNode);
nicholas@2224:         }
nicholas@2224:         setup.appendChild(this.preTest.encode(RootDocument));
nicholas@2224:         setup.appendChild(this.postTest.encode(RootDocument));
nicholas@2224:         setup.appendChild(this.metrics.encode(RootDocument));
nicholas@2224:         setup.appendChild(this.interfaces.encode(RootDocument));
nicholas@2573:         for (var page of this.pages) {
nicholas@2224:             root.appendChild(page.encode(RootDocument));
nicholas@2224:         }
nicholas@2573:         return RootDocument;
nicholas@2573:     };
nicholas@2573: 
nicholas@2573:     this.surveyNode = function (specification) {
nicholas@2573:         this.location = null;
nicholas@2573:         this.options = [];
nicholas@2224:         this.parent = null;
nicholas@2573:         this.schema = specification.schema.getAllElementsByName('survey')[0];
nicholas@2224:         this.specification = specification;
nicholas@2573: 
nicholas@2573:         this.OptionNode = function (specification) {
nicholas@2573:             this.type = undefined;
nicholas@2573:             this.schema = specification.schema.getAllElementsByName('surveyentry')[0];
nicholas@2573:             this.id = undefined;
nicholas@2224:             this.name = undefined;
nicholas@2573:             this.mandatory = undefined;
nicholas@2573:             this.statement = undefined;
nicholas@2573:             this.boxsize = undefined;
nicholas@2573:             this.options = [];
nicholas@2573:             this.min = undefined;
nicholas@2573:             this.max = undefined;
nicholas@2573:             this.step = undefined;
nicholas@2464:             this.conditions = [];
nicholas@2573: 
nicholas@2573:             this.decode = function (parent, child) {
nicholas@2573:                 var attributeMap = this.schema.getAllElementsByTagName('xs:attribute');
nicholas@2573:                 for (var i in attributeMap) {
nicholas@2573:                     if (isNaN(Number(i)) == true) {
nicholas@2573:                         break;
nicholas@2573:                     }
nicholas@2573:                     var attributeName = attributeMap[i].getAttribute('name') || attributeMap[i].getAttribute('ref');
nicholas@2573:                     var projectAttr = child.getAttribute(attributeName);
nicholas@2573:                     projectAttr = parent.processAttribute(projectAttr, attributeMap[i], parent.schema);
nicholas@2573:                     switch (typeof projectAttr) {
nicholas@2573:                         case "number":
nicholas@2573:                         case "boolean":
nicholas@2573:                             eval('this.' + attributeName + ' = ' + projectAttr);
nicholas@2573:                             break;
nicholas@2573:                         case "string":
nicholas@2573:                             eval('this.' + attributeName + ' = "' + projectAttr + '"');
nicholas@2573:                             break;
nicholas@2573:                     }
nicholas@2573:                 }
nicholas@2573:                 this.statement = child.getElementsByTagName('statement')[0].textContent;
nicholas@2573:                 if (this.type == "checkbox" || this.type == "radio") {
nicholas@2573:                     var children = child.getElementsByTagName('option');
nicholas@2573:                     if (children.length == null) {
nicholas@2573:                         console.log('Malformed' + child.nodeName + 'entry');
nicholas@2573:                         this.statement = 'Malformed' + child.nodeName + 'entry';
nicholas@2573:                         this.type = 'statement';
nicholas@2573:                     } else {
nicholas@2573:                         this.options = [];
nicholas@2573:                         for (var i = 0; i < children.length; i++) {
nicholas@2573:                             this.options.push({
nicholas@2573:                                 name: children[i].getAttribute('name'),
nicholas@2573:                                 text: children[i].textContent
nicholas@2573:                             });
nicholas@2573:                         }
nicholas@2573:                     }
nicholas@2573:                 }
nicholas@2464:                 var conditionElements = child.getElementsByTagName("conditional");
nicholas@2573:                 for (var i = 0; i < conditionElements.length; i++) {
nicholas@2464:                     var condition = conditionElements[i];
nicholas@2464:                     var obj = {
nicholas@2464:                         check: condition.getAttribute("check"),
nicholas@2464:                         value: condition.getAttribute("value"),
nicholas@2464:                         jumpToOnPass: condition.getAttribute("jumpToOnPass"),
nicholas@2464:                         jumpToOnFail: condition.getAttribute("jumpToOnFail")
nicholas@2464:                     }
nicholas@2464:                     this.conditions.push(obj);
nicholas@2464:                 }
nicholas@2573:             };
nicholas@2573: 
nicholas@2573:             this.exportXML = function (doc) {
nicholas@2573:                 var node = doc.createElement('surveyentry');
nicholas@2573:                 node.setAttribute('type', this.type);
nicholas@2573:                 var statement = doc.createElement('statement');
nicholas@2573:                 statement.textContent = this.statement;
nicholas@2573:                 node.appendChild(statement);
nicholas@2224:                 node.id = this.id;
nicholas@2573:                 if (this.name != undefined) {
nicholas@2573:                     node.setAttribute("name", this.name);
nicholas@2573:                 }
nicholas@2573:                 if (this.mandatory != undefined) {
nicholas@2573:                     node.setAttribute("mandatory", this.mandatory);
nicholas@2573:                 }
nicholas@2224:                 node.id = this.id;
nicholas@2573:                 if (this.name != undefined) {
nicholas@2573:                     node.setAttribute("name", this.name);
nicholas@2573:                 }
nicholas@2573:                 switch (this.type) {
nicholas@2224:                     case "checkbox":
nicholas@2566:                         if (this.min != undefined) {
nicholas@2566:                             node.setAttribute("min", this.min);
nicholas@2566:                         } else {
nicholas@2566:                             node.setAttribute("min", "0");
nicholas@2566:                         }
nicholas@2566:                         if (this.max != undefined) {
nicholas@2566:                             node.setAttribute("max", this.max);
nicholas@2566:                         } else {
nicholas@2573:                             node.setAttribute("max", "undefined");
nicholas@2566:                         }
nicholas@2224:                     case "radio":
nicholas@2573:                         for (var i = 0; i < this.options.length; i++) {
nicholas@2224:                             var option = this.options[i];
nicholas@2224:                             var optionNode = doc.createElement("option");
nicholas@2573:                             optionNode.setAttribute("name", option.name);
nicholas@2224:                             optionNode.textContent = option.text;
nicholas@2224:                             node.appendChild(optionNode);
nicholas@2224:                         }
nicholas@2562:                         break;
nicholas@2224:                     case "number":
nicholas@2573:                         if (this.min != undefined) {
nicholas@2573:                             node.setAttribute("min", this.min);
nicholas@2573:                         }
nicholas@2573:                         if (this.max != undefined) {
nicholas@2573:                             node.setAttribute("max", this.max);
nicholas@2573:                         }
nicholas@2562:                         break;
nicholas@2224:                     case "question":
nicholas@2573:                         if (this.boxsize != undefined) {
nicholas@2573:                             node.setAttribute("boxsize", this.boxsize);
nicholas@2573:                         }
nicholas@2573:                         if (this.mandatory != undefined) {
nicholas@2573:                             node.setAttribute("mandatory", this.mandatory);
nicholas@2573:                         }
nicholas@2562:                         break;
nicholas@2562:                     case "video":
nicholas@2573:                         if (this.mandatory != undefined) {
nicholas@2573:                             node.setAttribute("mandatory", this.mandatory);
nicholas@2573:                         }
nicholas@2562:                     case "youtube":
nicholas@2573:                         if (this.url != undefined) {
nicholas@2573:                             node.setAttribute("url", this.url);
nicholas@2573:                         }
nicholas@2562:                         break;
nicholas@2224:                     default:
nicholas@2224:                         break;
nicholas@2224:                 }
nicholas@2465:                 for (var condition of this.conditions) {
nicholas@2465:                     var conditionDOM = doc.createElement("conditional");
nicholas@2573:                     conditionDOM.setAttribute("check", condition.check);
nicholas@2573:                     conditionDOM.setAttribute("value", condition.value);
nicholas@2573:                     conditionDOM.setAttribute("jumpToOnPass", condition.jumpToOnPass);
nicholas@2573:                     conditionDOM.setAttribute("jumpToOnFail", condition.jumpToOnFail);
nicholas@2465:                     node.appendChild(conditionDOM);
nicholas@2465:                 }
nicholas@2573:                 return node;
nicholas@2573:             };
nicholas@2573:         };
nicholas@2573:         this.decode = function (parent, xml) {
nicholas@2224:             this.parent = parent;
nicholas@2573:             this.location = xml.getAttribute('location');
nicholas@2573:             if (this.location == 'before') {
nicholas@2573:                 this.location = 'pre';
nicholas@2573:             } else if (this.location == 'after') {
nicholas@2573:                 this.location = 'post';
nicholas@2573:             }
nicholas@2260:             var children = xml.getAllElementsByTagName('surveyentry');
nicholas@2573:             for (var i = 0; i < children.length; i++) {
nicholas@2573:                 var node = new this.OptionNode(this.specification);
nicholas@2573:                 node.decode(parent, children[i]);
nicholas@2573:                 this.options.push(node);
nicholas@2573:             }
nicholas@2257:             if (this.options.length == 0) {
nicholas@2257:                 console.log("Empty survey node");
nicholas@2257:                 console.log(this);
nicholas@2257:             }
nicholas@2573:         };
nicholas@2573:         this.encode = function (doc) {
nicholas@2573:             var node = doc.createElement('survey');
nicholas@2573:             node.setAttribute('location', this.location);
nicholas@2573:             for (var i = 0; i < this.options.length; i++) {
nicholas@2573:                 node.appendChild(this.options[i].exportXML(doc));
nicholas@2573:             }
nicholas@2573:             return node;
nicholas@2573:         };
nicholas@2573:     };
nicholas@2573: 
nicholas@2573:     this.interfaceNode = function (specification) {
nicholas@2573:         this.title = null;
nicholas@2573:         this.name = null;
nicholas@2573:         this.options = [];
nicholas@2573:         this.scales = [];
nicholas@2573:         this.schema = specification.schema.getAllElementsByName('interface')[1];
nicholas@2573: 
nicholas@2573:         this.decode = function (parent, xml) {
nicholas@2573:             this.name = xml.getAttribute('name');
nicholas@2573:             var titleNode = xml.getElementsByTagName('title');
nicholas@2573:             if (titleNode.length == 1) {
nicholas@2573:                 this.title = titleNode[0].textContent;
nicholas@2573:             }
nicholas@2573:             var interfaceOptionNodes = xml.getElementsByTagName('interfaceoption');
nicholas@2573:             // Extract interfaceoption node schema
nicholas@2573:             var interfaceOptionNodeSchema = this.schema.getAllElementsByName('interfaceoption')[0];
nicholas@2573:             var attributeMap = interfaceOptionNodeSchema.getAllElementsByTagName('xs:attribute');
nicholas@2573:             for (var i = 0; i < interfaceOptionNodes.length; i++) {
nicholas@2573:                 var ioNode = interfaceOptionNodes[i];
nicholas@2573:                 var option = {};
nicholas@2573:                 for (var j = 0; j < attributeMap.length; j++) {
nicholas@2573:                     var attributeName = attributeMap[j].getAttribute('name') || attributeMap[j].getAttribute('ref');
nicholas@2573:                     var projectAttr = ioNode.getAttribute(attributeName);
nicholas@2573:                     if (parent.processAttribute) {
nicholas@2224:                         parent.processAttribute(projectAttr, attributeMap[j], parent.schema)
nicholas@2224:                     } else {
nicholas@2224:                         parent.parent.processAttribute(projectAttr, attributeMap[j], parent.parent.schema)
nicholas@2224:                     }
nicholas@2573:                     switch (typeof projectAttr) {
nicholas@2573:                         case "number":
nicholas@2573:                         case "boolean":
nicholas@2573:                             eval('option.' + attributeName + ' = ' + projectAttr);
nicholas@2573:                             break;
nicholas@2573:                         case "string":
nicholas@2573:                             eval('option.' + attributeName + ' = "' + projectAttr + '"');
nicholas@2573:                             break;
nicholas@2573:                     }
nicholas@2573:                 }
nicholas@2573:                 this.options.push(option);
nicholas@2573:             }
nicholas@2573: 
nicholas@2573:             // Now the scales nodes
nicholas@2573:             var scaleParent = xml.getElementsByTagName('scales');
nicholas@2573:             if (scaleParent.length == 1) {
nicholas@2573:                 scaleParent = scaleParent[0];
nicholas@2252:                 var scalelabels = scaleParent.getAllElementsByTagName('scalelabel');
nicholas@2573:                 for (var i = 0; i < scalelabels.length; i++) {
nicholas@2573:                     this.scales.push({
nicholas@2573:                         text: scalelabels[i].textContent,
nicholas@2573:                         position: Number(scalelabels[i].getAttribute('position'))
nicholas@2573:                     });
nicholas@2573:                 }
nicholas@2573:             }
nicholas@2573:         };
nicholas@2573: 
nicholas@2573:         this.encode = function (doc) {
nicholas@2573:             var node = doc.createElement("interface");
nicholas@2224:             if (typeof name == "string")
nicholas@2573:                 node.setAttribute("name", this.name);
nicholas@2243:             if (typeof this.title == "string") {
nicholas@2243:                 var titleNode = doc.createElement("title");
nicholas@2243:                 titleNode.textContent = this.title;
nicholas@2243:                 node.appendChild(titleNode);
nicholas@2243:             }
nicholas@2573:             for (var option of this.options) {
nicholas@2224:                 var child = doc.createElement("interfaceoption");
nicholas@2573:                 child.setAttribute("type", option.type);
nicholas@2573:                 child.setAttribute("name", option.name);
nicholas@2224:                 node.appendChild(child);
nicholas@2224:             }
nicholas@2224:             if (this.scales.length != 0) {
nicholas@2224:                 var scales = doc.createElement("scales");
nicholas@2573:                 for (var scale of this.scales) {
nicholas@2224:                     var child = doc.createElement("scalelabel");
nicholas@2573:                     child.setAttribute("position", scale.position);
nicholas@2224:                     child.textContent = scale.text;
nicholas@2224:                     scales.appendChild(child);
nicholas@2224:                 }
nicholas@2224:                 node.appendChild(scales);
nicholas@2224:             }
nicholas@2224:             return node;
nicholas@2573:         };
nicholas@2573:     };
nicholas@2573: 
nicholas@2573:     this.metricNode = function () {
nicholas@2224:         this.enabled = [];
nicholas@2573:         this.decode = function (parent, xml) {
nicholas@2224:             var children = xml.getElementsByTagName('metricenable');
nicholas@2573:             for (var i in children) {
nicholas@2573:                 if (isNaN(Number(i)) == true) {
nicholas@2573:                     break;
nicholas@2573:                 }
nicholas@2224:                 this.enabled.push(children[i].textContent);
nicholas@2224:             }
nicholas@2224:         }
nicholas@2573:         this.encode = function (doc) {
nicholas@2224:             var node = doc.createElement('metric');
nicholas@2573:             for (var i in this.enabled) {
nicholas@2573:                 if (isNaN(Number(i)) == true) {
nicholas@2573:                     break;
nicholas@2573:                 }
nicholas@2224:                 var child = doc.createElement('metricenable');
nicholas@2224:                 child.textContent = this.enabled[i];
nicholas@2224:                 node.appendChild(child);
nicholas@2224:             }
nicholas@2224:             return node;
nicholas@2224:         }
nicholas@2224:     }
nicholas@2573: 
nicholas@2573:     this.page = function (specification) {
nicholas@2573:         this.presentedId = undefined;
nicholas@2573:         this.id = undefined;
nicholas@2470:         this.title = undefined;
nicholas@2573:         this.hostURL = undefined;
nicholas@2573:         this.randomiseOrder = undefined;
nicholas@2573:         this.loop = undefined;
nicholas@2573:         this.outsideReference = null;
nicholas@2573:         this.loudness = null;
nicholas@2224:         this.label = null;
nicholas@2573:         this.labelStart = "";
nicholas@2573:         this.preTest = null;
nicholas@2573:         this.postTest = null;
nicholas@2573:         this.interfaces = [];
n@2426:         this.playOne = null;
nicholas@2573:         this.commentBoxPrefix = "Comment on track";
nicholas@2573:         this.audioElements = [];
nicholas@2573:         this.commentQuestions = [];
nicholas@2573:         this.schema = specification.schema.getAllElementsByName("page")[0];
nicholas@2224:         this.specification = specification;
nicholas@2224:         this.parent = null;
nicholas@2573: 
nicholas@2573:         this.decode = function (parent, xml) {
nicholas@2224:             this.parent = parent;
n@2579:             var attributeMap = this.schema.getAllElementsByTagName('xs:attribute');
n@2579:             for (var i = 0; i < attributeMap.length; i++) {
n@2579:                 var attributeName = attributeMap[i].getAttribute('name') || attributeMap[i].getAttribute('ref');
n@2579:                 var projectAttr = xml.getAttribute(attributeName);
n@2579:                 projectAttr = parent.processAttribute(projectAttr, attributeMap[i], parent.schema);
n@2579:                 switch (typeof projectAttr) {
n@2579:                     case "number":
n@2579:                     case "boolean":
n@2579:                         eval('this.' + attributeName + ' = ' + projectAttr);
n@2579:                         break;
n@2579:                     case "string":
n@2579:                         eval('this.' + attributeName + ' = "' + projectAttr + '"');
n@2579:                         break;
n@2579:                 }
n@2579:             }
n@2579: 
nicholas@2470:             // Get the title
nicholas@2470:             var title = xml.getElementsByTagName('title');
nicholas@2501:             if (title.length != 0 && title[0].parentElement == xml) {
nicholas@2470:                 this.title = title[0].textContent;
nicholas@2470:             }
n@2579: 
n@2579:             // Get the Comment Box Prefix
n@2579:             var CBP = xml.getElementsByTagName('commentboxprefix');
n@2579:             if (CBP.length != 0 && CBP[0].parentElement == xml) {
n@2579:                 this.commentBoxPrefix = CBP[0].textContent;
n@2579:             }
n@2579: 
n@2579:             // Now decode the interfaces
n@2579:             var interfaceNode = xml.getElementsByTagName('interface');
n@2579:             for (var i = 0; i < interfaceNode.length; i++) {
n@2579:                 var node = new parent.interfaceNode(this.specification);
n@2579:                 node.decode(this, interfaceNode[i], parent.schema.getAllElementsByName('interface')[1]);
n@2579:                 this.interfaces.push(node);
n@2579:             }
n@2579: 
n@2579:             // Now process the survey node options
n@2579:             var survey = xml.getElementsByTagName('survey');
n@2579:             var surveySchema = parent.schema.getAllElementsByName('survey')[0];
n@2579:             for (var i = 0; i < survey.length; i++) {
n@2579:                 var location = survey[i].getAttribute('location');
n@2579:                 if (location == 'pre' || location == 'before') {
n@2579:                     if (this.preTest != null) {
n@2579:                         this.errors.push("Already a pre/before test survey defined! Ignoring second!!");
n@2579:                     } else {
n@2579:                         this.preTest = new parent.surveyNode(this.specification);
n@2579:                         this.preTest.decode(parent, survey[i], surveySchema);
n@2579:                     }
n@2579:                 } else if (location == 'post' || location == 'after') {
n@2579:                     if (this.postTest != null) {
n@2579:                         this.errors.push("Already a post/after test survey defined! Ignoring second!!");
n@2579:                     } else {
n@2579:                         this.postTest = new parent.surveyNode(this.specification);
n@2579:                         this.postTest.decode(parent, survey[i], surveySchema);
n@2579:                     }
n@2579:                 }
n@2579:             }
n@2579: 
n@2579:             // Now process the audioelement tags
n@2579:             var audioElements = xml.getElementsByTagName('audioelement');
n@2579:             for (var i = 0; i < audioElements.length; i++) {
n@2579:                 var node = new this.audioElementNode(this.specification);
n@2579:                 node.decode(this, audioElements[i]);
n@2579:                 this.audioElements.push(node);
n@2579:             }
n@2579: 
n@2579:             // Now decode the commentquestions
n@2579:             var cqNode = xml.getElementsByTagName('commentquestions');
n@2579:             if (cqNode.length != 0) {
n@2579:                 cqNode = cqNode[0];
n@2579:                 var commentQuestions = cqNode.children;
n@2579:                 for (var i = 0; i < commentQuestions.length; i++) {
n@2579:                     var node = new this.commentQuestionNode(this.specification);
n@2579:                     node.decode(parent, commentQuestions[i]);
n@2579:                     this.commentQuestions.push(node);
n@2579:                 }
n@2579:             }
n@2579:         };
n@2579: 
n@2579:         this.encode = function (root) {
n@2579:             var AHNode = root.createElement("page");
nicholas@2224:             // First decode the attributes
nicholas@2224:             var attributes = this.schema.getAllElementsByTagName('xs:attribute');
nicholas@2573:             for (var i = 0; i < attributes.length; i++) {
nicholas@2224:                 var name = attributes[i].getAttribute("name");
nicholas@2224:                 if (name == undefined) {
nicholas@2224:                     name = attributes[i].getAttribute("ref");
nicholas@2224:                 }
nicholas@2573:                 if (eval("this." + name + " != undefined") || attributes[i].getAttribute("use") == "required") {
nicholas@2573:                     eval("AHNode.setAttribute('" + name + "',this." + name + ")");
nicholas@2224:                 }
nicholas@2224:             }
nicholas@2573:             if (this.loudness != null) {
nicholas@2573:                 AHNode.setAttribute("loudness", this.loudness);
nicholas@2573:             }
nicholas@2224:             // <commentboxprefix>
nicholas@2224:             var commentboxprefix = root.createElement("commentboxprefix");
nicholas@2224:             commentboxprefix.textContent = this.commentBoxPrefix;
nicholas@2224:             AHNode.appendChild(commentboxprefix);
nicholas@2573: 
nicholas@2573:             for (var i = 0; i < this.interfaces.length; i++) {
nicholas@2573:                 AHNode.appendChild(this.interfaces[i].encode(root));
nicholas@2573:             }
nicholas@2573: 
nicholas@2573:             for (var i = 0; i < this.audioElements.length; i++) {
nicholas@2573:                 AHNode.appendChild(this.audioElements[i].encode(root));
nicholas@2573:             }
nicholas@2573:             // Create <CommentQuestion>
nicholas@2573:             for (var i = 0; i < this.commentQuestions.length; i++) {
nicholas@2573:                 AHNode.appendChild(this.commentQuestions[i].encode(root));
nicholas@2573:             }
nicholas@2573: 
nicholas@2573:             AHNode.appendChild(this.preTest.encode(root));
nicholas@2224:             AHNode.appendChild(this.postTest.encode(root));
nicholas@2573:             return AHNode;
nicholas@2573:         };
nicholas@2573: 
nicholas@2573:         this.commentQuestionNode = function (specification) {
nicholas@2573:             this.id = null;
nicholas@2224:             this.name = undefined;
nicholas@2573:             this.type = undefined;
nicholas@2573:             this.statement = undefined;
nicholas@2573:             this.schema = specification.schema.getAllElementsByName('commentquestion')[0];
nicholas@2573:             this.decode = function (parent, xml) {
nicholas@2573:                 this.id = xml.id;
nicholas@2224:                 this.name = xml.getAttribute('name');
n@2579:                 switch (xml.nodeName) {
n@2579:                     case "commentradio":
n@2579:                         this.type = "radio";
n@2579:                         this.options = [];
n@2579:                         break;
n@2579:                     case "commentcheckbox":
n@2579:                         this.type = "checkbox";
n@2579:                         this.options = [];
n@2579:                         break;
n@2579:                     case "commentslider":
n@2579:                         this.type = "slider";
n@2579:                         this.min = undefined;
n@2579:                         this.max = undefined;
n@2579:                         this.step = undefined;
n@2579:                         break;
n@2579:                     case "commentquestion":
n@2579:                     default:
n@2579:                         this.type = "question";
n@2579:                         break;
n@2579:                 }
nicholas@2573:                 this.statement = xml.getElementsByTagName('statement')[0].textContent;
n@2579:                 if (this.type == "radio" || this.type == "checkbox") {
n@2579:                     var optNodes = xml.getElementsByTagName('option');
n@2579:                     for (var i = 0; i < optNodes.length; i++) {
n@2579:                         var optNode = optNodes[i];
n@2579:                         this.options.push({
n@2579:                             name: optNode.getAttribute('name'),
n@2579:                             text: optNode.textContent
n@2579:                         });
n@2579:                     }
n@2579:                 }
n@2579:                 if (this.type == "slider") {
n@2579:                     this.min = Number(xml.getAttribute("min"));
n@2579:                     this.max = Number(xml.getAttribute("max"));
n@2579:                     this.step = Number(xml.getAttribute("step"));
n@2579:                     if (this.step == undefined) {
n@2579:                         this.step = 1;
n@2579:                     }
n@2579:                     this.value = Number(xml.getAttribute("value"));
n@2579:                     if (this.value == undefined) {
n@2579:                         this.value = min;
n@2579:                     }
nicholas@2573:                 }
nicholas@2573:             };
nicholas@2573: 
nicholas@2573:             this.encode = function (root) {
n@2579:                 var node;
n@2579:                 switch (this.type) {
n@2579:                     case "radio":
n@2579:                         node = root.createElement("commentradio");
n@2579:                         break;
n@2579:                     case "checkbox":
n@2579:                         node = root.createElement("commentcheckbox");
n@2579:                         break;
n@2579:                     case "slider":
n@2579:                         node = root.createElement("commentslider");
n@2579:                         break;
n@2579:                     case "question":
n@2579:                     default:
n@2579:                         node = root.createElement("commentquestion");
n@2579:                         break;
n@2579:                 }
nicholas@2224:                 node.id = this.id;
nicholas@2573:                 node.setAttribute("type", this.type);
nicholas@2573:                 if (this.name != undefined) {
nicholas@2573:                     node.setAttribute("name", this.name);
nicholas@2573:                 }
nicholas@2224:                 var statement = root.createElement("statement");
nicholas@2224:                 statement.textContent = this.statement;
nicholas@2224:                 node.appendChild(statement);
n@2579:                 if (this.type == "radio" || this.type == "checkbox") {
n@2579:                     for (var option of this.options) {
n@2579:                         var child = root.createElement("option");
n@2579:                         child.setAttribute("name", option.name);
n@2579:                         child.textContent = option.text;
n@2579:                         node.appendChild(child);
n@2579:                     }
n@2579:                 }
n@2579:                 if (this.type == "slider") {
n@2579:                     node.setAttribute("min", this.min);
n@2579:                     node.setAttribute("max", this.max);
n@2579:                     if (this.step !== 1) {
n@2579:                         node.setAttribute("step", this.step);
n@2579:                     }
n@2579:                     if (this.value !== this.min) {
n@2579:                         node.setAttribute("value", this.value);
n@2579:                     }
nicholas@2224:                 }
nicholas@2224:                 return node;
nicholas@2573:             };
nicholas@2573:         };
nicholas@2573: 
nicholas@2573:         this.audioElementNode = function (specification) {
nicholas@2573:             this.url = null;
nicholas@2573:             this.id = null;
nicholas@2224:             this.name = null;
nicholas@2573:             this.parent = null;
nicholas@2573:             this.type = null;
nicholas@2573:             this.marker = null;
nicholas@2573:             this.enforce = false;
nicholas@2573:             this.gain = 0.0;
nicholas@2409:             this.label = null;
nicholas@2460:             this.startTime = undefined;
nicholas@2460:             this.stopTime = undefined;
nicholas@2573:             this.schema = specification.schema.getAllElementsByName('audioelement')[0];;
nicholas@2573:             this.parent = null;
nicholas@2573:             this.decode = function (parent, xml) {
nicholas@2573:                 this.parent = parent;
nicholas@2573:                 var attributeMap = this.schema.getAllElementsByTagName('xs:attribute');
nicholas@2573:                 for (var i = 0; i < attributeMap.length; i++) {
nicholas@2573:                     var attributeName = attributeMap[i].getAttribute('name') || attributeMap[i].getAttribute('ref');
nicholas@2573:                     var projectAttr = xml.getAttribute(attributeName);
nicholas@2573:                     projectAttr = parent.parent.processAttribute(projectAttr, attributeMap[i], parent.parent.schema);
nicholas@2573:                     switch (typeof projectAttr) {
nicholas@2573:                         case "number":
nicholas@2573:                         case "boolean":
nicholas@2573:                             eval('this.' + attributeName + ' = ' + projectAttr);
nicholas@2573:                             break;
nicholas@2573:                         case "string":
nicholas@2573:                             eval('this.' + attributeName + ' = "' + projectAttr + '"');
nicholas@2573:                             break;
nicholas@2573:                     }
nicholas@2573:                 }
nicholas@2573: 
nicholas@2573:             };
nicholas@2573:             this.encode = function (root) {
nicholas@2573:                 var AENode = root.createElement("audioelement");
nicholas@2573:                 var attributes = this.schema.getAllElementsByTagName('xs:attribute');
nicholas@2573:                 for (var i = 0; i < attributes.length; i++) {
nicholas@2224:                     var name = attributes[i].getAttribute("name");
nicholas@2224:                     if (name == undefined) {
nicholas@2224:                         name = attributes[i].getAttribute("ref");
nicholas@2224:                     }
nicholas@2573:                     if (eval("this." + name + " != undefined") || attributes[i].getAttribute("use") == "required") {
nicholas@2573:                         eval("AENode.setAttribute('" + name + "',this." + name + ")");
nicholas@2224:                     }
nicholas@2224:                 }
nicholas@2573:                 return AENode;
nicholas@2573:             };
nicholas@2573:         };
nicholas@2573:     };
b@2437: }