# HG changeset patch
# User Nicholas Jillings <n.g.r.jillings@se14.qmul.ac.uk>
# Date 1477835857 0
# Node ID d83b38564fbb2b1ac537fb314355755590fb7296
# Parent  bf17cc19c1c0a0bc5938611dcc4102822db530b0
#137. Modified <commentquestion> nodes in pages to have a proper list structure. Differently labelled nodes depending on type <commentquestion>, <commentradio>. Added slider and converted project.xml to match new specifications. AB_example.xml shows new slider type

diff -r bf17cc19c1c0 -r d83b38564fbb js/core.js
--- a/js/core.js	Mon Oct 24 11:23:02 2016 +0100
+++ b/js/core.js	Sun Oct 30 13:57:37 2016 +0000
@@ -2630,6 +2630,52 @@
         this.resize();
     };
 
+    this.sliderBox = function (commentQuestion) {
+        this.specification = commentQuestion;
+        this.holder = document.createElement("div");
+        this.holder.className = 'comment-div';
+        this.string = document.createElement("span");
+        this.string.innerHTML = commentQuestion.statement;
+        this.slider = document.createElement("input");
+        this.slider.type = "range";
+        this.slider.min = commentQuestion.min;
+        this.slider.max = commentQuestion.max;
+        this.slider.step = commentQuestion.step;
+        this.slider.value = commentQuestion.value;
+        var br = document.createElement('br');
+
+        this.holder.appendChild(this.string);
+        this.holder.appendChild(br);
+        this.holder.appendChild(this.slider);
+
+        this.exportXMLDOM = function (storePoint) {
+            var root = storePoint.parent.document.createElement('comment');
+            root.id = this.specification.id;
+            root.setAttribute('type', this.specification.type);
+            console.log("Question: " + this.string.textContent);
+            console.log("Response: " + this.slider.value);
+            var question = storePoint.parent.document.createElement('question');
+            question.textContent = this.string.textContent;
+            var response = storePoint.parent.document.createElement('response');
+            response.textContent = this.slider.value;
+            root.appendChild(question);
+            root.appendChild(response);
+            storePoint.XMLDOM.appendChild(root);
+            return root;
+        };
+        this.resize = function () {
+            var boxwidth = (window.innerWidth - 100) / 2;
+            if (boxwidth >= 600) {
+                boxwidth = 600;
+            } else if (boxwidth < 400) {
+                boxwidth = 400;
+            }
+            this.holder.style.width = boxwidth + "px";
+            this.slider.style.width = boxwidth - 24 + "px";
+        };
+        this.resize();
+    };
+
     this.createCommentQuestion = function (element) {
         var node;
         if (element.type == 'question') {
@@ -2638,6 +2684,8 @@
             node = new this.radioBox(element);
         } else if (element.type == 'checkbox') {
             node = new this.checkboxBox(element);
+        } else if (element.type == 'slider') {
+            node = new this.sliderBox(element);
         }
         this.commentQuestions.push(node);
         return node;
diff -r bf17cc19c1c0 -r d83b38564fbb js/specification.js
--- a/js/specification.js	Mon Oct 24 11:23:02 2016 +0100
+++ b/js/specification.js	Sun Oct 30 13:57:37 2016 +0000
@@ -495,88 +495,87 @@
 
         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;
-				}
-			}
-            
+            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 title
             var title = xml.getElementsByTagName('title');
             if (title.length != 0 && title[0].parentElement == xml) {
                 this.title = title[0].textContent;
             }
-			
-			// Get the Comment Box Prefix
-			var CBP = xml.getElementsByTagName('commentboxprefix');
-			if (CBP.length != 0 && CBP[0].parentElement == xml) {
-				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=0; i<survey.length; i++){
-				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");
+
+            // Get the Comment Box Prefix
+            var CBP = xml.getElementsByTagName('commentboxprefix');
+            if (CBP.length != 0 && CBP[0].parentElement == xml) {
+                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 = 0; i < survey.length; i++) {
+                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 cqNode = xml.getElementsByTagName('commentquestions');
+            if (cqNode.length != 0) {
+                cqNode = cqNode[0];
+                var commentQuestions = cqNode.children;
+                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++) {
@@ -617,26 +616,73 @@
             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');
+                switch (xml.nodeName) {
+                    case "commentradio":
+                        this.type = "radio";
+                        this.options = [];
+                        break;
+                    case "commentcheckbox":
+                        this.type = "checkbox";
+                        this.options = [];
+                        break;
+                    case "commentslider":
+                        this.type = "slider";
+                        this.min = undefined;
+                        this.max = undefined;
+                        this.step = undefined;
+                        break;
+                    case "commentquestion":
+                    default:
+                        this.type = "question";
+                        break;
+                }
                 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
-                    });
+                if (this.type == "radio" || this.type == "checkbox") {
+                    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
+                        });
+                    }
+                }
+                if (this.type == "slider") {
+                    this.min = Number(xml.getAttribute("min"));
+                    this.max = Number(xml.getAttribute("max"));
+                    this.step = Number(xml.getAttribute("step"));
+                    if (this.step == undefined) {
+                        this.step = 1;
+                    }
+                    this.value = Number(xml.getAttribute("value"));
+                    if (this.value == undefined) {
+                        this.value = min;
+                    }
                 }
             };
 
             this.encode = function (root) {
-                var node = root.createElement("commentquestion");
+                var node;
+                switch (this.type) {
+                    case "radio":
+                        node = root.createElement("commentradio");
+                        break;
+                    case "checkbox":
+                        node = root.createElement("commentcheckbox");
+                        break;
+                    case "slider":
+                        node = root.createElement("commentslider");
+                        break;
+                    case "question":
+                    default:
+                        node = root.createElement("commentquestion");
+                        break;
+                }
                 node.id = this.id;
                 node.setAttribute("type", this.type);
                 if (this.name != undefined) {
@@ -645,11 +691,23 @@
                 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);
+                if (this.type == "radio" || this.type == "checkbox") {
+                    for (var option of this.options) {
+                        var child = root.createElement("option");
+                        child.setAttribute("name", option.name);
+                        child.textContent = option.text;
+                        node.appendChild(child);
+                    }
+                }
+                if (this.type == "slider") {
+                    node.setAttribute("min", this.min);
+                    node.setAttribute("max", this.max);
+                    if (this.step !== 1) {
+                        node.setAttribute("step", this.step);
+                    }
+                    if (this.value !== this.min) {
+                        node.setAttribute("value", this.value);
+                    }
                 }
                 return node;
             };
diff -r bf17cc19c1c0 -r d83b38564fbb tests/examples/AB_example.xml
--- a/tests/examples/AB_example.xml	Mon Oct 24 11:23:02 2016 +0100
+++ b/tests/examples/AB_example.xml	Sun Oct 30 13:57:37 2016 +0000
@@ -1,97 +1,102 @@
 <?xml version="1.0" encoding="utf-8"?>
-<waet xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="test-schema.xsd">
-	<setup interface="AB" projectReturn="save.php" randomiseOrder='true' poolSize="2" loudness="-23" playOne="true">
-		<survey location="before">
-			<surveyentry type="question" id="sessionId" mandatory="true">
-				<statement>Please enter your name.</statement>
-			</surveyentry>
-			<surveyentry type="checkbox" id="checkboxtest" mandatory="true">
-				<statement>Please select with which activities you have any experience (example checkbox question)</statement>
-				<option name="musician">Playing a musical instrument</option>
-				<option name="soundengineer">Recording or mixing audio</option>
-				<option name="developer">Developing audio software</option>
-				<option name="hwdesigner">Designing or building audio hardware</option>
-				<option name="researcher">Research in the field of audio</option>
-			</surveyentry>
-			<surveyentry type="statement" id="test-intro">
-				<statement>This is an example of an 'AB'-style test, with two pages, using the test stimuli in 'example_eval/'.</statement>
-			</surveyentry>
-		</survey>
-		<survey location="after">
-			<surveyentry type="question" id="location" mandatory="true" boxsize="large">
-				<statement>Please enter your location. (example mandatory text question)</statement>
-			</surveyentry>
-			<surveyentry type="number" id="age" min="0">
-				<statement>Please enter your age (example non-mandatory number question)</statement>
-			</surveyentry>
-			<surveyentry type="radio" id="rating">
-				<statement>Please rate this interface (example radio button question)</statement>
-				<option name="bad">Bad</option>
-				<option name="poor">Poor</option>
-				<option name="good">Good</option>
-				<option name="great">Great</option>
-			</surveyentry>
-			<surveyentry type="statement" id="test-thank-you">
-				<statement>Thank you for taking this listening test. Please click 'submit' and your results will appear in the 'saves/' folder.</statement>
-			</surveyentry>
-		</survey>
-		<metric>
-			<metricenable>testTimer</metricenable>
-			<metricenable>elementTimer</metricenable>
-			<metricenable>elementInitialPosition</metricenable>
-			<metricenable>elementTracker</metricenable>
-			<metricenable>elementFlagListenedTo</metricenable>
-			<metricenable>elementFlagMoved</metricenable>
-			<metricenable>elementListenTracker</metricenable>
-		</metric>
-		<interface>
-			<interfaceoption type="check" name="fragmentMoved"/>
-			<interfaceoption type="check" name="scalerange" min="25" max="75"/>
-			<interfaceoption type="show" name='playhead'/>
-			<interfaceoption type="show" name="page-count"/>
-            <interfaceoption type="show" name='volume'/>
-            <interfaceoption type="show" name='comments'/>
-		</interface>
-	</setup>
-	<page id='test-0' hostURL="media/example/" randomiseOrder='true' repeatCount='0' loop='true' loudness="-12">
-		<commentboxprefix>Comment on fragment</commentboxprefix>
-		<interface>
-			<title>Depth</title>
-		</interface>
-		<audioelement url="0.wav" id="track-0"/>
-		<audioelement url="1.wav" id="track-1"/>
-		<survey location="before">
-			<surveyentry type="statement" id="test-0-intro">
-				<statement>A two way comparison using randomised element order, automatic loudness and synchronised looping.</statement>
-			</surveyentry>
-		</survey>
-		<survey location="after">
-			<surveyentry type="question" id="genre-0" mandatory="true">
-				<statement>Please enter the genre.</statement>
-			</surveyentry>
-		</survey>
-	</page>
-	<page id='test-1' hostURL="media/example/" randomiseOrder='true' repeatCount='0' loop='false' loudness="-12">
-		<commentboxprefix>Comment on fragment</commentboxprefix>
-		<interface>
-			<title>Depth</title>
-		</interface>
-		<audioelement url="0.wav" id="track-2"/>
-		<audioelement url="1.wav" id="track-3"/>
-		<audioelement url="2.wav" id="track-4"/>
-		<audioelement url="3.wav" id="track-5"/>
-		<audioelement url="4.wav" id="track-6"/>
-		<audioelement url="5.wav" id="track-7"/>
-		<audioelement url="6.wav" id="track-8"/>
-		<survey location="before">
-			<surveyentry type="statement" id="test-1-intro">
-				<statement>A 7 way comparison using randomised element order and synchronised looping.</statement>
-			</surveyentry>
-		</survey>
-		<survey location="after">
-			<surveyentry type="question" id="genre-1" mandatory="true">
-				<statement>Please enter the genre.</statement>
-			</surveyentry>
-		</survey>
-	</page>
-</waet>
\ No newline at end of file
+    <waet xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="test-schema.xsd">
+        <setup interface="AB" projectReturn="save.php" randomiseOrder='true' poolSize="2" loudness="-23" playOne="true">
+            <survey location="before">
+                <surveyentry type="question" id="sessionId" mandatory="true">
+                    <statement>Please enter your name.</statement>
+                </surveyentry>
+                <surveyentry type="checkbox" id="checkboxtest" mandatory="true">
+                    <statement>Please select with which activities you have any experience (example checkbox question)</statement>
+                    <option name="musician">Playing a musical instrument</option>
+                    <option name="soundengineer">Recording or mixing audio</option>
+                    <option name="developer">Developing audio software</option>
+                    <option name="hwdesigner">Designing or building audio hardware</option>
+                    <option name="researcher">Research in the field of audio</option>
+                </surveyentry>
+                <surveyentry type="statement" id="test-intro">
+                    <statement>This is an example of an 'AB'-style test, with two pages, using the test stimuli in 'example_eval/'.</statement>
+                </surveyentry>
+            </survey>
+            <survey location="after">
+                <surveyentry type="question" id="location" mandatory="true" boxsize="large">
+                    <statement>Please enter your location. (example mandatory text question)</statement>
+                </surveyentry>
+                <surveyentry type="number" id="age" min="0">
+                    <statement>Please enter your age (example non-mandatory number question)</statement>
+                </surveyentry>
+                <surveyentry type="radio" id="rating">
+                    <statement>Please rate this interface (example radio button question)</statement>
+                    <option name="bad">Bad</option>
+                    <option name="poor">Poor</option>
+                    <option name="good">Good</option>
+                    <option name="great">Great</option>
+                </surveyentry>
+                <surveyentry type="statement" id="test-thank-you">
+                    <statement>Thank you for taking this listening test. Please click 'submit' and your results will appear in the 'saves/' folder.</statement>
+                </surveyentry>
+            </survey>
+            <metric>
+                <metricenable>testTimer</metricenable>
+                <metricenable>elementTimer</metricenable>
+                <metricenable>elementInitialPosition</metricenable>
+                <metricenable>elementTracker</metricenable>
+                <metricenable>elementFlagListenedTo</metricenable>
+                <metricenable>elementFlagMoved</metricenable>
+                <metricenable>elementListenTracker</metricenable>
+            </metric>
+            <interface>
+                <interfaceoption type="check" name="fragmentMoved" />
+                <interfaceoption type="check" name="scalerange" min="25" max="75" />
+                <interfaceoption type="show" name='playhead' />
+                <interfaceoption type="show" name="page-count" />
+                <interfaceoption type="show" name='volume' />
+                <interfaceoption type="show" name='comments' />
+            </interface>
+        </setup>
+        <page id='test-0' hostURL="media/example/" randomiseOrder='true' repeatCount='0' loop='true' loudness="-12">
+            <commentboxprefix>Comment on fragment</commentboxprefix>
+            <interface>
+                <title>Depth</title>
+            </interface>
+            <audioelement url="0.wav" id="track-0" />
+            <audioelement url="1.wav" id="track-1" />
+            <commentquestions>
+                <commentslider id="slider" min="0" max="100">
+                    <statement>Test</statement>
+                </commentslider>
+            </commentquestions>
+            <survey location="before">
+                <surveyentry type="statement" id="test-0-intro">
+                    <statement>A two way comparison using randomised element order, automatic loudness and synchronised looping.</statement>
+                </surveyentry>
+            </survey>
+            <survey location="after">
+                <surveyentry type="question" id="genre-0" mandatory="true">
+                    <statement>Please enter the genre.</statement>
+                </surveyentry>
+            </survey>
+        </page>
+        <page id='test-1' hostURL="media/example/" randomiseOrder='true' repeatCount='0' loop='false' loudness="-12">
+            <commentboxprefix>Comment on fragment</commentboxprefix>
+            <interface>
+                <title>Depth</title>
+            </interface>
+            <audioelement url="0.wav" id="track-2" />
+            <audioelement url="1.wav" id="track-3" />
+            <audioelement url="2.wav" id="track-4" />
+            <audioelement url="3.wav" id="track-5" />
+            <audioelement url="4.wav" id="track-6" />
+            <audioelement url="5.wav" id="track-7" />
+            <audioelement url="6.wav" id="track-8" />
+            <survey location="before">
+                <surveyentry type="statement" id="test-1-intro">
+                    <statement>A 7 way comparison using randomised element order and synchronised looping.</statement>
+                </surveyentry>
+            </survey>
+            <survey location="after">
+                <surveyentry type="question" id="genre-1" mandatory="true">
+                    <statement>Please enter the genre.</statement>
+                </surveyentry>
+            </survey>
+        </page>
+    </waet>
diff -r bf17cc19c1c0 -r d83b38564fbb tests/examples/project.xml
--- a/tests/examples/project.xml	Mon Oct 24 11:23:02 2016 +0100
+++ b/tests/examples/project.xml	Sun Oct 30 13:57:37 2016 +0000
@@ -111,24 +111,26 @@
 		<audioelement url="4.wav" gain="0.0" id="track-9"/>
 		<audioelement url="5.wav" gain="0.0" id="track-10"/>
 		<audioelement url="6.wav" gain="0.0" id="track-11" type="outside-reference"/>
-		<commentquestion id='mixingExperience' type="question">
-			<statement>What is your general experience with numbers?</statement>
-		</commentquestion>
-		<commentquestion id="preference" type="radio">
-			<statement>Please enter your overall preference</statement>
-			<option name="worst">Very Bad</option>
-			<option name="bad"></option>
-			<option name="OK">OK</option>
-			<option name="Good"></option>
-			<option name="Great">Great</option>
-		</commentquestion>
-		<commentquestion id="character" type="checkbox">
-			<statement>Please describe the overall character</statement>
-			<option name="funky">Funky</option>
-			<option name="mellow">Mellow</option>
-			<option name="laidback">Laid back</option>
-			<option name="heavy">Heavy</option>
-		</commentquestion>
+        <commentquestions>
+            <commentquestion id='mixingExperience'>
+                <statement>What is your general experience with numbers?</statement>
+            </commentquestion>
+            <commentradio id="preference">
+                <statement>Please enter your overall preference</statement>
+                <option name="worst">Very Bad</option>
+                <option name="bad"></option>
+                <option name="OK">OK</option>
+                <option name="Good"></option>
+                <option name="Great">Great</option>
+            </commentradio>
+            <commentcheckbox id="character" type="checkbox">
+                <statement>Please describe the overall character</statement>
+                <option name="funky">Funky</option>
+                <option name="mellow">Mellow</option>
+                <option name="laidback">Laid back</option>
+                <option name="heavy">Heavy</option>
+            </commentcheckbox>
+        </commentquestions>
 		<survey location="before">
 			<surveyentry type="statement" id="test-1-intro">
 				<statement>Example of an 'APE' style interface with hidden anchor 'zero' (which needs to be below 20%), looping of the samples, randomisation of marker labels, mandatory moving of every sample, and a forced scale usage of at least 25%-75%.</statement>
diff -r bf17cc19c1c0 -r d83b38564fbb xml/test-schema.xsd
--- a/xml/test-schema.xsd	Mon Oct 24 11:23:02 2016 +0100
+++ b/xml/test-schema.xsd	Sun Oct 30 13:57:37 2016 +0000
@@ -75,7 +75,7 @@
                     <xs:element name="commentboxprefix" type="xs:string" minOccurs="0" maxOccurs="1" />
                     <xs:element ref="interface" minOccurs="1" maxOccurs="unbounded" />
                     <xs:element ref="audioelement" minOccurs="1" maxOccurs="unbounded" />
-                    <xs:element ref="commentquestion" minOccurs="0" maxOccurs="unbounded" />
+                    <xs:element ref="commentquestions" minOccurs="0" maxOccurs="1" />
                     <xs:element ref="survey" minOccurs="0" maxOccurs="2" />
                 </xs:sequence>
                 <xs:attribute ref="id" use="required" />
@@ -206,10 +206,21 @@
             </xs:complexType>
         </xs:element>
 
-        <xs:element name="commentquestion">
+        <xs:element name="commentquestions">
+            <xs:complexType>
+                <xs:choice maxOccurs="unbounded">
+                    <xs:element name="commentquestion" maxOccurs="unbounded" />
+                    <xs:element name="commentradio" maxOccurs="unbounded" />
+                    <xs:element name="commentcheckbox" maxOccurs="unbounded" />
+                    <xs:element name="commentslider" maxOccurs="unbounded" />
+                </xs:choice>
+            </xs:complexType>
+        </xs:element>
+
+        <xs:element name="commentradio">
             <xs:complexType>
                 <xs:sequence>
-                    <xs:element ref="statement" minOccurs="0" maxOccurs="1" />
+                    <xs:element ref="statement" minOccurs="1" maxOccurs="1" />
                     <xs:element name="option" minOccurs="0" maxOccurs="unbounded">
                         <xs:complexType>
                             <xs:simpleContent>
@@ -222,15 +233,49 @@
                 </xs:sequence>
                 <xs:attribute ref="id" use="optional" />
                 <xs:attribute ref="name" use="optional" />
-                <xs:attribute name="type" default="question">
-                    <xs:simpleType>
-                        <xs:restriction base="xs:string">
-                            <xs:enumeration value="question" />
-                            <xs:enumeration value="radio" />
-                            <xs:enumeration value="checkbox" />
-                        </xs:restriction>
-                    </xs:simpleType>
-                </xs:attribute>
+            </xs:complexType>
+        </xs:element>
+
+        <xs:element name="commentcheckbox">
+            <xs:complexType>
+                <xs:sequence>
+                    <xs:element ref="statement" minOccurs="1" maxOccurs="1" />
+                    <xs:element name="option" minOccurs="0" maxOccurs="unbounded">
+                        <xs:complexType>
+                            <xs:simpleContent>
+                                <xs:extension base="xs:string">
+                                    <xs:attribute ref="name" />
+                                </xs:extension>
+                            </xs:simpleContent>
+                        </xs:complexType>
+                    </xs:element>
+                </xs:sequence>
+                <xs:attribute ref="id" use="optional" />
+                <xs:attribute ref="name" use="optional" />
+            </xs:complexType>
+        </xs:element>
+
+        <xs:element name="commentquestion">
+            <xs:complexType>
+                <xs:sequence>
+                    <xs:element ref="statement" minOccurs="1" maxOccurs="1" />
+                </xs:sequence>
+                <xs:attribute ref="id" use="optional" />
+                <xs:attribute ref="name" use="optional" />
+            </xs:complexType>
+        </xs:element>
+
+        <xs:element name="commentslider">
+            <xs:complexType>
+                <xs:sequence>
+                    <xs:element ref="statement" minOccurs="1" maxOccurs="1" />
+                </xs:sequence>
+                <xs:attribute ref="id" use="optional" />
+                <xs:attribute ref="name" use="optional" />
+                <xs:attribute name="min" type="xs:decimal" use="required" />
+                <xs:attribute name="max" type="xs:decimal" use="required" />
+                <xs:attribute name="step" type="xs:decimal" use="optional" default="1" />
+                <xs:attribute name="value" type="xs:decimal" use="optional" />
             </xs:complexType>
         </xs:element>