n@470: /**
n@470:  *  ape.js
n@470:  *  Create the APE interface
n@470:  */
n@470: 
n@470: 
n@470: // Once this is loaded and parsed, begin execution
n@470: loadInterface();
n@470: 
n@470: function loadInterface() {
n@470: 	
n@470: 	// Get the dimensions of the screen available to the page
n@470: 	var width = window.innerWidth;
n@470: 	var height = window.innerHeight;
n@470: 	
n@470: 	// The injection point into the HTML page
n@470: 	interfaceContext.insertPoint = document.getElementById("topLevelBody");
n@470: 	var testContent = document.createElement('div');
n@470: 	
n@470: 	testContent.id = 'testContent';
n@470: 	
n@470: 	// Bindings for interfaceContext
n@470: 	interfaceContext.checkAllPlayed = function()
n@470: 	{
n@470: 		hasBeenPlayed = audioEngineContext.checkAllPlayed();
n@470: 		if (hasBeenPlayed.length > 0) // if a fragment has not been played yet
n@470: 	    {
n@470: 	    	str = "";
n@470: 	    	if (hasBeenPlayed.length > 1) {
n@470: 		    	for (var i=0; i<hasBeenPlayed.length; i++) {
n@470: 		    		str = str + hasBeenPlayed[i];
n@470: 		    		if (i < hasBeenPlayed.length-2){
n@470: 		    			str += ", ";
n@470: 		    		} else if (i == hasBeenPlayed.length-2) {
n@470: 		    			str += " or ";
n@470: 		    		}
n@470: 		    	}
n@470: 		    	alert('You have not played fragments ' + str + ' yet. Please listen, rate and comment all samples before submitting.');
n@470: 	       } else {
n@470: 	       		alert('You have not played fragment ' + hasBeenPlayed[0] + ' yet. Please listen, rate and comment all samples before submitting.');
n@470: 	       }
n@470: 	        return false;
n@470: 	    }
n@470: 	    return true;
n@470: 	};
n@470: 	
n@470: 	interfaceContext.checkAllMoved = function() {
n@470: 		var state = true;
n@470: 		var str = 'You have not moved the following sliders. ';
n@470: 		for (var i=0; i<this.interfaceSliders.length; i++)
n@470: 		{
n@470: 			var interfaceTID = [];
n@470: 			for (var j=0; j<this.interfaceSliders[i].metrics.length; j++)
n@470: 			{
n@470: 				if (this.interfaceSliders[i].metrics[j].wasMoved == false)
n@470: 				{
n@470: 					state = false;
n@470: 					interfaceTID.push(j);
n@470: 				}
n@470: 			}
n@470: 			if (interfaceTID.length != 0)
n@470: 			{
n@470: 				var interfaceName = this.interfaceSliders[i].interfaceObject.title;
n@470: 				if (interfaceName == undefined) {
n@470: 					str += 'On axis '+String(i+1)+' you must move ';
n@470: 				} else {
n@470: 					str += 'On axis "'+interfaceName+'" you must move ';
n@470: 				}
n@470: 				if (interfaceTID.length == 1)
n@470: 				{
n@470: 					str += 'slider '+interfaceTID[0]+'. ';
n@470: 				}
n@470: 				else {
n@470: 					str += 'sliders ';
n@470: 					for (var k=0; k<interfaceTID.length-1; k++)
n@470: 					{
n@470: 						str += interfaceTID[k]+', ';
n@470: 					}
n@470: 					str += interfaceTID[interfaceTID.length-1] +'. ';
n@470: 				}
n@470: 			}
n@470: 		}
n@470: 		if (state != true)
n@470: 		{
n@470: 			alert(str);
n@470: 			console.log(str);
n@470: 		}
n@470: 		return state;
n@470: 	};
n@470: 	
n@470: 	Interface.prototype.checkAllCommented = function() {
n@470: 		var audioObjs = audioEngineContext.audioObjects;
n@470: 		var audioHolder = testState.stateMap[testState.stateIndex];
n@470: 		var state = true;
n@470: 		if (audioHolder.elementComments) {
n@470: 			var strNums = [];
n@470: 			for (var i=0; i<audioObjs.length; i++)
n@470: 			{
n@470: 				if (audioObjs[i].commentDOM.trackCommentBox.value.length == 0) {
n@470: 					state = false;
n@470: 					strNums.push(i);
n@470: 				}
n@470: 			}
n@470: 			if (state == false) {
n@470: 				if (strNums.length > 1) {
n@470: 					var str = "";
n@470: 			    	for (var i=0; i<strNums.length; i++) {
n@470: 			    		str = str + strNums[i];
n@470: 			    		if (i < strNums.length-2){
n@470: 			    			str += ", ";
n@470: 			    		} else if (i == strNums.length-2) {
n@470: 			    			str += " or ";
n@470: 			    		}
n@470: 			    	}
n@470: 			    	alert('You have not commented on fragments ' + str + ' yet. Please listen, rate and comment all samples before submitting.');
n@470: 		       } else {
n@470: 		       		alert('You have not commented on fragment ' + strNums[0] + ' yet. Please listen, rate and comment all samples before submitting.');
n@470: 		       }
n@470: 			}
n@470: 		}
n@470: 		return state;
n@470: 	};
n@470: 	
n@470: 	Interface.prototype.checkScaleRange = function()
n@470: 	{
n@470: 		var audioObjs = audioEngineContext.audioObjects;
n@470: 		var audioHolder = testState.stateMap[testState.stateIndex];
n@470: 		var state = true;
n@470: 		var str = '';
n@470: 		for (var i=0; i<this.interfaceSliders.length; i++)
n@470: 		{
n@470: 			var minScale;
n@470: 			var maxScale;
n@470: 			var interfaceObject = interfaceContext.interfaceSliders[0].interfaceObject;
n@470: 			for (var j=0; j<interfaceObject.options.length; j++)
n@470: 			{
n@470: 				if (interfaceObject.options[j].check == "scalerange") {
n@470: 					minScale = interfaceObject.options[j].min;
n@470: 					maxScale = interfaceObject.options[j].max;
n@470: 					break;
n@470: 				}
n@470: 			}
n@470: 			var minRanking = convSliderPosToRate(this.interfaceSliders[i].sliders[0]);
n@470: 			var maxRanking = minRanking;
n@470: 			for (var j=1; j<this.interfaceSliders[i].sliders.length; j++)
n@470: 			{
n@470: 				var ranking = convSliderPosToRate(this.interfaceSliders[i].sliders[j]);
n@470: 				if (ranking < minRanking)
n@470: 				{
n@470: 					minRanking = ranking;
n@470: 				} else if (ranking > maxRanking)
n@470: 				{
n@470: 					maxRanking = ranking;
n@470: 				}
n@470: 			}
n@470: 			if (minRanking > minScale || maxRanking < maxScale)
n@470: 			{
n@470: 				state = false;
n@470: 				str += 'On axis "'+this.interfaceSliders[i].interfaceObject.title+'" you have not used the full width of the scale. ';
n@470: 			}
n@470: 		}
n@470: 		if (state != true)
n@470: 		{
n@470: 			alert(str);
n@470: 			console.log(str);
n@470: 		}
n@470: 		return state;
n@470: 	};
n@470: 	
n@470: 	Interface.prototype.objectSelected = null;
n@470: 	Interface.prototype.objectMoved = false;
n@470: 	Interface.prototype.selectObject = function(object)
n@470: 	{
n@470: 		if (this.objectSelected == null)
n@470: 		{
n@470: 			this.objectSelected = object;
n@470: 			this.objectMoved = false;
n@470: 		}
n@470: 	};
n@470: 	Interface.prototype.moveObject = function()
n@470: 	{
n@470: 		if (this.objectMoved == false)
n@470: 		{
n@470: 			this.objectMoved = true;
n@470: 		}
n@470: 	};
n@470: 	Interface.prototype.releaseObject = function()
n@470: 	{
n@470: 		this.objectSelected = null;
n@470: 		this.objectMoved = false;
n@470: 	};
n@470: 	Interface.prototype.getSelectedObject = function()
n@470: 	{
n@470: 		return this.objectSelected;
n@470: 	};
n@470: 	Interface.prototype.hasSelectedObjectMoved = function()
n@470: 	{
n@470: 		return this.objectMoved;
n@470: 	};
n@470: 	
n@470: 	// Bindings for slider interfaces
n@470: 	Interface.prototype.interfaceSliders = [];
n@470: 	
n@470: 	// Bindings for audioObjects
n@470: 	
n@470: 	// Create the top div for the Title element
n@470: 	var titleAttr = specification.title;
n@470: 	var title = document.createElement('div');
n@470: 	title.className = "title";
n@470: 	title.align = "center";
n@470: 	var titleSpan = document.createElement('span');
n@470: 	
n@470: 	// Set title to that defined in XML, else set to default
n@470: 	if (titleAttr != undefined) {
n@470: 		titleSpan.textContent = titleAttr;
n@470: 	} else {
n@470: 		titleSpan.textContent =  'Listening test';
n@470: 	}
n@470: 	// Insert the titleSpan element into the title div element.
n@470: 	title.appendChild(titleSpan);
n@470: 	
n@470: 	// Create Interface buttons!
n@470: 	var interfaceButtons = document.createElement('div');
n@470: 	interfaceButtons.id = 'interface-buttons';
n@470: 	
n@470: 	// Create playback start/stop points
n@470: 	var playback = document.createElement("button");
n@470: 	playback.innerHTML = 'Stop';
n@470: 	playback.id = 'playback-button';
n@470: 	// onclick function. Check if it is playing or not, call the correct function in the
n@470: 	// audioEngine, change the button text to reflect the next state.
n@470: 	playback.onclick = function() {
n@470: 		if (audioEngineContext.status == 1) {
n@470: 			audioEngineContext.stop();
n@470: 			this.innerHTML = 'Stop';
n@470:             var time = audioEngineContext.timer.getTestTime();
n@470:             console.log('Stopped at ' + time); // DEBUG/SAFETY
n@470: 		}
n@470: 	};
n@470: 	// Create Submit (save) button
n@470: 	var submit = document.createElement("button");
n@603: 	submit.innerHTML = 'Next';
n@470: 	submit.onclick = buttonSubmitClick;
n@470: 	submit.id = 'submit-button';
n@470: 	// Append the interface buttons into the interfaceButtons object.
n@470: 	interfaceButtons.appendChild(playback);
n@470: 	interfaceButtons.appendChild(submit);
n@470: 	
n@470: 	var sliderHolder = document.createElement("div");
n@470: 	sliderHolder.id = "slider-holder";
n@470: 	
n@470: 	
n@470: 	// Global parent for the comment boxes on the page
n@470: 	var feedbackHolder = document.createElement('div');
n@470: 	feedbackHolder.id = 'feedbackHolder';
n@470: 	
n@470: 	testContent.style.zIndex = 1;
n@470: 	interfaceContext.insertPoint.innerHTML = null; // Clear the current schema
n@470: 	
n@470: 	// Inject into HTML
n@470: 	testContent.appendChild(title); // Insert the title
n@470: 	testContent.appendChild(interfaceButtons);
n@470: 	testContent.appendChild(sliderHolder);
n@470: 	testContent.appendChild(feedbackHolder);
n@470: 	interfaceContext.insertPoint.appendChild(testContent);
n@470: 
n@470: 	// Load the full interface
n@470: 	testState.initialise();
n@470: 	testState.advanceState();
n@470: 	
n@470: }
n@470: 
n@470: function loadTest(audioHolderObject)
n@470: {
n@470: 	var width = window.innerWidth;
n@470: 	var height = window.innerHeight;
n@470: 	var id = audioHolderObject.id;
n@470: 	
n@470: 	interfaceContext.interfaceSliders = [];
n@470: 	
n@470: 	var feedbackHolder = document.getElementById('feedbackHolder');
n@470: 	var sliderHolder = document.getElementById('slider-holder');
n@470: 	feedbackHolder.innerHTML = null;
n@470: 	sliderHolder.innerHTML = null;
n@470: 	
n@470: 	// Delete outside reference
n@470: 	var outsideReferenceHolder = document.getElementById('outside-reference');
n@470: 	if (outsideReferenceHolder != null) {
n@470: 		document.getElementById('interface-buttons').removeChild(outsideReferenceHolder);
n@470: 	}
n@470: 	
n@470: 	var interfaceObj = audioHolderObject.interfaces;
n@470: 	for (var k=0; k<interfaceObj.length; k++) {
n@470: 		// Create the div box to center align
n@470: 		interfaceContext.interfaceSliders.push(new interfaceSliderHolder(interfaceObj[k]));
n@470: 	}
n@485:     
n@485:     var interfaceList = audioHolderObject.interfaces.concat(specification.interfaces);
n@485:     for (var k=0; k<interfaceList.length; k++)
n@485:     {
n@485:         for (var i=0; i<interfaceList[k].options.length; i++)
n@485:         {
n@485:             if (interfaceList[k].options[i].type == 'show' && interfaceList[k].options[i].name == 'playhead')
n@485:             {
n@485:                 var playbackHolder = document.getElementById('playback-holder');
n@485:                 if (playbackHolder == null)
n@485:                 {
n@485:                     playbackHolder = document.createElement('div');
n@485:                     playbackHolder.style.width = "100%";
n@485:                     playbackHolder.align = 'center';
n@485:                     playbackHolder.appendChild(interfaceContext.playhead.object);
n@485:                     feedbackHolder.appendChild(playbackHolder);
n@485:                 }
n@485:             } else if (interfaceList[k].options[i].type == 'show' && interfaceList[k].options[i].name == 'page-count')
n@485:             {
n@485:                 var pagecountHolder = document.getElementById('page-count');
n@485:                 if (pagecountHolder == null)
n@485:                 {
n@485:                     pagecountHolder = document.createElement('div');
n@485:                     pagecountHolder.id = 'page-count';
n@485:                 }
n@559:                 pagecountHolder.innerHTML = '<span>Page '+(testState.stateIndex+1)+' of '+testState.stateMap.length+'</span>';
n@485:                 var inject = document.getElementById('interface-buttons');
n@485:                 inject.appendChild(pagecountHolder);
n@485:             } else if (interfaceList[k].options[i].type == 'show' && interfaceList[k].options[i].name == 'volume') {
n@485:                 if (document.getElementById('master-volume-holder') == null)
n@485:                 {
n@485:                     feedbackHolder.appendChild(interfaceContext.volume.object);
n@485:                 }
n@485:             }
n@485:         }
n@485:     }
n@470: 	
n@470: 	var commentBoxPrefix = "Comment on fragment";
n@470: 	
n@470: 	var commentShow = audioHolderObject.elementComments;
n@470: 	
n@470: 	var loopPlayback = audioHolderObject.loop;
n@470: 
n@470: 	currentTestHolder = document.createElement('audioHolder');
n@470: 	currentTestHolder.id = audioHolderObject.id;
n@470: 	currentTestHolder.repeatCount = audioHolderObject.repeatCount;
n@470: 	
n@470: 	// Find all the audioElements from the audioHolder
n@470: 	$(audioHolderObject.audioElements).each(function(index,element){
n@470: 		// Find URL of track
n@470: 		// In this jQuery loop, variable 'this' holds the current audioElement.
n@470: 		var audioObject = audioEngineContext.newTrack(element);
n@470: 		// Check if an outside reference
n@470: 		if (element.type == 'outside-reference')
n@470: 		{
n@470: 			// Construct outside reference;
n@470: 			var orNode = new outsideReferenceDOM(audioObject,index,document.getElementById('interface-buttons'));
n@470: 			audioObject.bindInterface(orNode);
n@470: 		} else {
n@470: 			// Create a slider per track
n@626: 			var sliderNode = new sliderObject(audioObject,interfaceObj,index);
n@470: 			audioObject.bindInterface(sliderNode);
n@550:             interfaceContext.commentBoxes.createCommentBox(audioObject);
n@470: 		}
n@470: 	});
n@470: 	
n@470: 	// Initialse the interfaceSlider object metrics
n@470: 	
n@470: 	$('.track-slider').mousedown(function(event) {
n@470: 		interfaceContext.selectObject($(this)[0]);
n@470: 	});
n@470: 	$('.track-slider').on('touchstart',null,function(event) {
n@470: 		interfaceContext.selectObject($(this)[0]);
n@470: 	});
n@470: 	
n@470: 	$('.track-slider').mousemove(function(event) {
n@470: 		event.preventDefault();
n@470: 	});
n@470: 	
n@470: 	$('.slider').mousemove(function(event) {
n@470: 		event.preventDefault();
n@470: 		var obj = interfaceContext.getSelectedObject();
n@470: 		if (obj == null) {return;}
n@497: 		$(obj).css("left",event.clientX-6 + "px");
n@470: 		interfaceContext.moveObject();
n@470: 	});
n@470: 	
n@470: 	$('.slider').on('touchmove',null,function(event) {
n@470: 		event.preventDefault();
n@470: 		var obj = interfaceContext.getSelectedObject();
n@470: 		if (obj == null) {return;}
n@470: 		var move = event.originalEvent.targetTouches[0].clientX - 6;
n@470: 		$(obj).css("left",move + "px");
n@470: 		interfaceContext.moveObject();
n@470: 	});
n@470: 
n@470: 	$(document).mouseup(function(event){
n@470: 		event.preventDefault();
n@470: 		var obj = interfaceContext.getSelectedObject();
n@470: 		if (obj == null) {return;}
n@470: 		var interfaceID = obj.parentElement.getAttribute("interfaceid");
n@470: 		var trackID = obj.getAttribute("trackindex");
n@470: 		if (interfaceContext.hasSelectedObjectMoved() == true)
n@470: 		{
n@470: 			var l = $(obj).css("left");
n@470: 			var id = obj.getAttribute('trackIndex');
n@470: 			var time = audioEngineContext.timer.getTestTime();
n@470: 			var rate = convSliderPosToRate(obj);
n@470: 			audioEngineContext.audioObjects[id].metric.moved(time,rate);
n@470: 			interfaceContext.interfaceSliders[interfaceID].metrics[trackID].moved(time,rate);
n@470: 			console.log("slider "+id+" moved to "+rate+' ('+time+')');
n@470: 		} else {
n@470: 			var id = Number(obj.attributes['trackIndex'].value);
n@470: 			//audioEngineContext.metric.sliderPlayed(id);
n@470: 			audioEngineContext.play(id);
n@470: 		}
n@470: 		interfaceContext.releaseObject();
n@470: 	});
n@470: 	
n@470: 	$('.slider').on('touchend',null,function(event){
n@470: 		var obj = interfaceContext.getSelectedObject();
n@470: 		if (obj == null) {return;}
n@470: 		var interfaceID = obj.parentElement.getAttribute("interfaceid");
n@470: 		var trackID = obj.getAttribute("trackindex");
n@470: 		if (interfaceContext.hasSelectedObjectMoved() == true)
n@470: 		{
n@470: 			var l = $(obj).css("left");
n@470: 			var id = obj.getAttribute('trackIndex');
n@470: 			var time = audioEngineContext.timer.getTestTime();
n@470: 			var rate = convSliderPosToRate(obj);
n@470: 			audioEngineContext.audioObjects[id].metric.moved(time,rate);
n@470: 			interfaceContext.interfaceSliders[interfaceID].metrics[trackID].moved(time,rate);
n@470: 			console.log("slider "+id+" moved to "+rate+' ('+time+')');
n@470: 		}
n@470: 		interfaceContext.releaseObject();
n@470: 	});
n@470: 	
n@470: 	
n@470: 	if (audioHolderObject.showElementComments) {
n@550: 		interfaceContext.commentBoxes.showCommentBoxes(feedbackHolder,true);
n@470: 	}
n@470: 	
n@470: 	$(audioHolderObject.commentQuestions).each(function(index,element) {
n@470: 		var node = interfaceContext.createCommentQuestion(element);
n@470: 		feedbackHolder.appendChild(node.holder);
n@470: 	});
n@470: 	
n@470: 	
n@470: 	//testWaitIndicator();
n@470: }
n@470: 
n@470: function interfaceSliderHolder(interfaceObject)
n@470: {
n@470: 	this.sliders = [];
n@470: 	this.metrics = [];
n@470: 	this.id = document.getElementsByClassName("sliderCanvasDiv").length;
n@470: 	this.name = interfaceObject.name;
n@470: 	this.interfaceObject = interfaceObject;
n@470: 	this.sliderDOM = document.createElement('div');
n@470: 	this.sliderDOM.className = 'sliderCanvasDiv';
n@470: 	this.sliderDOM.id = 'sliderCanvasHolder-'+this.id;
n@470: 	
n@470: 	var pagetitle = document.createElement('div');
n@470: 	pagetitle.className = "pageTitle";
n@470: 	pagetitle.align = "center";
n@470: 	var titleSpan = document.createElement('span');
n@470: 	titleSpan.id = "pageTitle-"+this.id;
n@470: 	if (interfaceObject.title != undefined && typeof interfaceObject.title == "string")
n@470: 	{
n@470: 		titleSpan.textContent = interfaceObject.title;
n@470: 	} else {
n@470: 		titleSpan.textContent = "Axis "+String(this.id+1);
n@470: 	}
n@470: 	pagetitle.appendChild(titleSpan);
n@470: 	this.sliderDOM.appendChild(pagetitle);
n@470: 	
n@470: 	// Create the slider box to hold the slider elements
n@470: 	this.canvas = document.createElement('div');
n@470: 	if (this.name != undefined)
n@470: 		this.canvas.id = 'slider-'+this.name;
n@470: 	else
n@470: 		this.canvas.id = 'slider-'+this.id;
n@470: 	this.canvas.setAttribute("interfaceid",this.id);
n@470: 	this.canvas.className = 'slider';
n@470: 	this.canvas.align = "left";
n@470: 	this.canvas.addEventListener('dragover',function(event){
n@470: 		event.preventDefault();
n@470: 		event.dataTransfer.effectAllowed = 'none';
n@470: 		event.dataTransfer.dropEffect = 'copy';
n@470: 		return false;
n@470: 	},false);
n@470: 	var sliderMargin = document.createAttribute('marginsize');
n@470: 	sliderMargin.nodeValue = 42; // Set default margins to 42px either side
n@470: 	// Must have a known EXACT width, as this is used later to determine the ratings
n@470: 	var w = (Number(sliderMargin.nodeValue)+8)*2;
n@470: 	this.canvas.style.width = window.innerWidth - w +"px";
n@470: 	this.canvas.style.marginLeft = sliderMargin.nodeValue +'px';
n@470: 	this.canvas.setAttributeNode(sliderMargin);
n@470: 	this.sliderDOM.appendChild(this.canvas);
n@470: 	
n@470: 	// Create the div to hold any scale objects
n@470: 	this.scale = document.createElement('div');
n@470: 	this.scale.className = 'sliderScale';
n@470: 	this.scale.id = 'sliderScaleHolder-'+this.id;
n@470: 	this.scale.align = 'left';
n@470: 	this.sliderDOM.appendChild(this.scale);
n@470: 	var positionScale = this.canvas.style.width.substr(0,this.canvas.style.width.length-2);
n@470: 	var offset = Number(this.canvas.attributes['marginsize'].value);
n@497:     var dest = document.getElementById("slider-holder").appendChild(this.sliderDOM);
n@470: 	for (var scaleObj of interfaceObject.scales)
n@470: 	{
n@470: 		var position = Number(scaleObj.position)*0.01;
n@497: 		var pixelPosition = (position*$(this.canvas).width())+offset;
n@470: 		var scaleDOM = document.createElement('span');
n@470: 		scaleDOM.textContent = scaleObj.text;
n@497:         scaleDOM.setAttribute('value',position)
n@470: 		this.scale.appendChild(scaleDOM);
n@470: 		scaleDOM.style.left = Math.floor((pixelPosition-($(scaleDOM).width()/2)))+'px';
n@470: 	}
n@470: 	
n@626: 	this.createSliderObject = function(audioObject,label)
n@470: 	{
n@470: 		var trackObj = document.createElement('div');
n@497:         trackObj.align = "center";
n@470: 		trackObj.className = 'track-slider track-slider-disabled track-slider-'+audioObject.id;
n@470: 		trackObj.id = 'track-slider-'+this.id+'-'+audioObject.id;
n@470: 		trackObj.setAttribute('trackIndex',audioObject.id);
n@470: 		if (this.name != undefined) {
n@470: 			trackObj.setAttribute('interface-name',this.name);
n@470: 		} else {
n@470: 			trackObj.setAttribute('interface-name',this.id);
n@470: 		}
n@470: 		var offset = Number(this.canvas.attributes['marginsize'].value);
n@470: 		// Distribute it randomnly
n@470: 		var w = window.innerWidth - (offset+8)*2;
n@470: 		w = Math.random()*w;
n@470: 		w = Math.floor(w+(offset+8));
n@470: 		trackObj.style.left = w+'px';
n@470: 		this.canvas.appendChild(trackObj);
n@470: 		this.sliders.push(trackObj);
n@470: 		this.metrics.push(new metricTracker(this));
n@626: 		var labelHolder = document.createElement("span");
n@626:         labelHolder.textContent = label;
n@626:         trackObj.appendChild(labelHolder);
n@470: 		this.metrics[this.metrics.length-1].initialise(convSliderPosToRate(trackObj));
n@470: 		return trackObj;
n@470: 	};
n@470: 	
n@470: 	this.resize = function(event)
n@470: 	{
n@470: 		var holdValues = [];
n@470: 		for (var index = 0; index < this.sliders.length; index++)
n@470: 		{
n@470: 			holdValues.push(convSliderPosToRate(this.sliders[index])); 
n@470: 		}
n@470: 		var width = event.target.innerWidth;
n@470: 		var sliderDiv = this.canvas;
n@470: 		var sliderScaleDiv = this.scale;
n@470: 		var marginsize = Number(sliderDiv.attributes['marginsize'].value);
n@470: 		var w = (marginsize+8)*2;
n@470: 		sliderDiv.style.width = width - w + 'px';
n@470: 		var width = width - w;
n@470: 		// Move sliders into new position
n@470: 		for (var index = 0; index < this.sliders.length; index++)
n@470: 		{
n@470: 			var pos = holdValues[index];
n@470: 			var pix = pos * width;
n@470: 			this.sliders[index].style.left = pix+marginsize+'px';
n@470: 		}
n@470: 		
n@470: 		// Move scale labels
n@470: 		for (var index = 0; index < this.scale.children.length; index++)
n@470: 		{
n@470: 			var scaleObj = this.scale.children[index];
n@470: 			var position = Number(scaleObj.attributes['value'].value);
n@470: 			var pixelPosition = (position*width)+marginsize;
n@470: 			scaleObj.style.left = Math.floor((pixelPosition-($(scaleObj).width()/2)))+'px';
n@470: 		}
n@470: 	};
n@470: }
n@470: 
n@626: function sliderObject(audioObject,interfaceObjects,index) {
n@470: 	// Create a new slider object;
n@470: 	this.parent = audioObject;
n@470: 	this.trackSliderObjects = [];
n@626:     this.label = null;
n@626:     switch(audioObject.specification.parent.label) {
n@626:         case "letter":
n@626:             this.label = String.fromCharCode(97 + index);
n@626:             break;
n@626:         case "capital":
n@626:             this.label = String.fromCharCode(65 + index);
n@626:             break;
n@626:         case "none":
n@626:             this.label = "";
n@626:             break;
n@626:         default:
n@626:             this.label = ""+(index+1);
n@626:             break;
n@626:     }
n@470: 	for (var i=0; i<interfaceContext.interfaceSliders.length; i++)
n@470: 	{
n@626: 		var trackObj = interfaceContext.interfaceSliders[i].createSliderObject(audioObject,this.label);
n@470: 		this.trackSliderObjects.push(trackObj);
n@470: 	}
n@470: 
n@470: 	// Onclick, switch playback to that track
n@470: 	
n@470: 	this.enable = function() {
n@470: 		if (this.parent.state == 1)
n@470: 		{
n@470: 			$(this.trackSliderObjects).each(function(i,trackObj){
n@470: 				$(trackObj).removeClass('track-slider-disabled');
n@470: 			});
n@470: 		}
n@470: 	};
n@470: 	this.updateLoading = function(progress)
n@470: 	{
n@470: 		if (progress != 100)
n@470: 		{
n@470: 			progress = String(progress);
n@470: 			progress = progress.split('.')[0];
n@470: 			this.trackSliderObjects[0].children[0].textContent = progress+'%';
n@470: 		} else {
n@470: 			this.trackSliderObjects[0].children[0].textContent = this.parent.id;
n@470: 		}
n@470: 	};
n@489:     this.startPlayback = function()
n@489:     {
n@489:         $('.track-slider').removeClass('track-slider-playing');
n@489:         var name = ".track-slider-"+this.parent.id;
n@489:         $(name).addClass('track-slider-playing');
n@489:         $('.comment-div').removeClass('comment-box-playing');
n@489:         $('#comment-div-'+this.parent.id).addClass('comment-box-playing');
n@489:         var outsideReference = document.getElementById('outside-reference');
n@489:         if (outsideReference != undefined)
n@489:         $(outsideReference).removeClass('track-slider-playing');
n@489:     };
n@489:     this.stopPlayback = function()
n@489:     {
n@489:         var name = ".track-slider-"+this.parent.id;
n@489:         $(name).removeClass('track-slider-playing');
n@489:         $('#comment-div-'+this.parent.id).removeClass('comment-box-playing');
n@489:     };
n@470: 	this.exportXMLDOM = function(audioObject) {
n@470: 		// Called by the audioObject holding this element. Must be present
n@470: 		var obj = [];
n@470: 		$(this.trackSliderObjects).each(function(i,trackObj){
n@470: 			var node = storage.document.createElement('value');
n@470: 			node.setAttribute("interface-name",trackObj.getAttribute("interface-name"));
n@470: 			node.textContent = convSliderPosToRate(trackObj);
n@470: 			obj.push(node);
n@470: 		});
n@470: 		
n@470: 		return obj;
n@470: 	};
n@470: 	this.getValue = function() {
n@470: 		return convSliderPosToRate(this.trackSliderObjects[0]);
n@470: 	};
n@470: 	this.getPresentedId = function()
n@470: 	{
n@626: 		return this.label;
n@470: 	};
n@470: 	this.canMove = function()
n@470: 	{
n@470: 		return true;
n@470: 	};
n@546:     this.error = function() {
n@546:             // audioObject has an error!!
n@546:         this.playback.textContent = "Error";
n@546:         $(this.playback).addClass("error-colour");
n@546:     }
n@470: }
n@470: 
n@470: function outsideReferenceDOM(audioObject,index,inject)
n@470: {
n@470: 	this.parent = audioObject;
n@470: 	this.outsideReferenceHolder = document.createElement('div');
n@470: 	this.outsideReferenceHolder.id = 'outside-reference';
n@470: 	this.outsideReferenceHolder.className = 'outside-reference track-slider-disabled';
n@470: 	var outsideReferenceHolderspan = document.createElement('span');
n@470: 	outsideReferenceHolderspan.textContent = 'Reference';
n@470: 	this.outsideReferenceHolder.appendChild(outsideReferenceHolderspan);
n@470: 	this.outsideReferenceHolder.setAttribute('track-id',index);
n@470: 	
n@470: 	this.outsideReferenceHolder.onclick = function(event)
n@470: 	{
n@470: 		audioEngineContext.play(event.currentTarget.getAttribute('track-id'));
n@470: 		$('.track-slider').removeClass('track-slider-playing');
n@470:         $('.comment-div').removeClass('comment-box-playing');
n@470:         if (event.currentTarget.nodeName == 'DIV') {
n@470:         	$(event.currentTarget).addClass('track-slider-playing');
n@470:         } else {
n@470:         	$(event.currentTarget.parentElement).addClass('track-slider-playing');
n@470:         }
n@470: 	};
n@470: 	inject.appendChild(this.outsideReferenceHolder);
n@470: 	this.enable = function()
n@470: 	{
n@470: 		if (this.parent.state == 1)
n@470: 		{
n@470: 			$(this.outsideReferenceHolder).removeClass('track-slider-disabled');
n@470: 		}
n@470: 	};
n@470: 	this.updateLoading = function(progress)
n@470: 	{
n@470: 		if (progress != 100)
n@470: 		{
n@470: 			progress = String(progress);
n@470: 			progress = progress.split('.')[0];
n@470: 			this.outsideReferenceHolder[0].children[0].textContent = progress+'%';
n@470: 		} else {
n@470: 			this.outsideReferenceHolder[0].children[0].textContent = "Play Reference";
n@470: 		}
n@470: 	};
n@489:     this.startPlayback = function()
n@489:     {
n@489:         $('.track-slider').removeClass('track-slider-playing');
n@489:         $(this.outsideReferenceHolder).addClass('track-slider-playing');
n@489:         $('.comment-div').removeClass('comment-box-playing');
n@489:     };
n@489:     this.stopPlayback = function()
n@489:     {
n@489:         $(this.outsideReferenceHolder).removeClass('track-slider-playing');
n@489:     };
n@470: 	this.exportXMLDOM = function(audioObject)
n@470: 	{
n@470: 		return null;
n@470: 	};
n@470: 	this.getValue = function()
n@470: 	{
n@470: 		return 0;
n@470: 	};
n@470: 	this.getPresentedId = function()
n@470: 	{
n@470: 		return 'reference';
n@470: 	};
n@470: 	this.canMove = function()
n@470: 	{
n@470: 		return false;
n@470: 	};
n@546:     this.error = function() {
n@546:             // audioObject has an error!!
n@546:         this.outsideReferenceHolder.textContent = "Error";
n@546:         $(this.outsideReferenceHolder).addClass("error-colour");
n@546:     }
n@470: }
n@470: 
n@470: function buttonSubmitClick()
n@470: {
n@470: 	var checks = [];
n@470: 	checks = checks.concat(testState.currentStateMap.interfaces[0].options);
n@470: 	checks = checks.concat(specification.interfaces.options);
n@470: 	var canContinue = true;
n@470: 	
n@470: 	// Check that the anchor and reference objects are correctly placed
n@470: 	if (interfaceContext.checkHiddenAnchor() == false) {return;}
n@470: 	if (interfaceContext.checkHiddenReference() == false) {return;}
n@470: 	
n@470: 	for (var i=0; i<checks.length; i++) {
n@470: 		if (checks[i].type == 'check')
n@470: 		{
n@470: 			switch(checks[i].name) {
n@470: 			case 'fragmentPlayed':
n@470: 				// Check if all fragments have been played
n@470: 				var checkState = interfaceContext.checkAllPlayed();
n@470: 				if (checkState == false) {canContinue = false;}
n@470: 				break;
n@470: 			case  'fragmentFullPlayback':
n@470: 				// Check all fragments have been played to their full length
n@470: 				var checkState = interfaceContext.checkFragmentsFullyPlayed();
n@470: 				if (checkState == false) {canContinue = false;}
n@470: 				break;
n@470: 			case 'fragmentMoved':
n@470: 				// Check all fragment sliders have been moved.
n@470: 				var checkState = interfaceContext.checkAllMoved();
n@470: 				if (checkState == false) {canContinue = false;}
n@470: 				break;
n@470: 			case 'fragmentComments':
n@470: 				// Check all fragment sliders have been moved.
n@470: 				var checkState = interfaceContext.checkAllCommented();
n@470: 				if (checkState == false) {canContinue = false;}
n@470: 				break;
n@470: 			case 'scalerange':
n@470: 				// Check the scale is used to its full width outlined by the node
n@470: 				var checkState = interfaceContext.checkScaleRange();
n@470: 				if (checkState == false) {canContinue = false;}
n@470: 				break;
n@470: 			default:
n@470: 				console.log("WARNING - Check option "+checks[i].name+" is not supported on this interface");
n@470: 				break;
n@470: 			}
n@470: 
n@470: 		}
n@470: 		if (!canContinue) {break;}
n@470: 	}
n@470:    
n@470:     if (canContinue) {
n@470: 	    if (audioEngineContext.status == 1) {
n@470: 	        var playback = document.getElementById('playback-button');
n@470: 	        playback.click();
n@470: 	    // This function is called when the submit button is clicked. Will check for any further tests to perform, or any post-test options
n@470: 	    } else
n@470: 	    {
n@470: 	        if (audioEngineContext.timer.testStarted == false)
n@470: 	        {
n@470: 	            alert('You have not started the test! Please click a fragment to begin the test!');
n@470: 	            return;
n@470: 	        }
n@470: 	    }
n@470: 	    testState.advanceState();
n@470:     } 
n@470: }
n@470: 
n@470: function convSliderPosToRate(trackSlider)
n@470: {
n@470: 	var slider = trackSlider.parentElement;
n@470: 	var w = slider.style.width;
n@470: 	var marginsize = Number(slider.attributes['marginsize'].value);
n@470: 	var maxPix = w.substr(0,w.length-2);
n@470: 	var pix = trackSlider.style.left;
n@470: 	pix = pix.substr(0,pix.length-2);
n@470: 	var rate = (pix-marginsize)/maxPix;
n@470: 	return rate;
n@470: }
n@470: 
n@470: function resizeWindow(event){
n@470: 	// Function called when the window has been resized.
n@470: 	// MANDATORY FUNCTION
n@470: 	
n@470: 	// Resize the slider objects
n@470: 	for (var i=0; i<interfaceContext.interfaceSliders.length; i++)
n@470: 	{
n@470: 		interfaceContext.interfaceSliders[i].resize(event);
n@470: 	}
n@470: }
n@470: 
n@470: function pageXMLSave(store, pageSpecification)
n@470: {
n@470: 	// MANDATORY
n@470: 	// Saves a specific test page
n@470: 	// You can use this space to add any extra nodes to your XML <audioHolder> saves
n@470: 	// Get the current <page> information in store (remember to appendChild your data to it)
n@470: 	// pageSpecification is the current page node configuration
n@470: 	// To create new XML nodes, use storage.document.createElement();
n@470: 	
n@470: 	if (interfaceContext.interfaceSliders.length == 1)
n@470: 	{
n@470: 		// If there is only one axis, there only needs to be one metric return
n@470: 		return;
n@470: 	}
n@470: 	var audioelements = store.getElementsByTagName("audioelement");
n@470: 	for (var i=0; i<audioelements.length; i++)
n@470: 	{
n@470: 		// Have to append the metric specific nodes
n@470: 		if (pageSpecification.outsideReference == null || pageSpecification.outsideReference.id != audioelements[i].id)
n@470: 		{
n@470: 			var inject = audioelements[i].getElementsByTagName("metric");
n@470: 			if (inject.length == 0)
n@470: 			{
n@470: 				inject = storage.document.createElement("metric");
n@470: 			} else {
n@470: 				inject = inject[0];
n@470: 			}
n@470: 			for (var k=0; k<interfaceContext.interfaceSliders.length; k++)
n@470: 			{
n@470: 				var mrnodes = interfaceContext.interfaceSliders[k].metrics[i].exportXMLDOM(inject);
n@470: 				for (var j=0; j<mrnodes.length; j++)
n@470: 				{
n@470: 					var name = mrnodes[j].getAttribute("name");
n@470: 					if (name == "elementTracker" || name == "elementTrackerFull" || name == "elementInitialPosition" || name == "elementFlagMoved")
n@470: 					{
n@470: 						mrnodes[j].setAttribute("interface-name",interfaceContext.interfaceSliders[k].name);
n@470: 						mrnodes[j].setAttribute("interface-id",k);
n@470: 						inject.appendChild(mrnodes[j]);
n@470: 					}
n@470: 				}
n@470: 			}
n@470: 		}
n@470: 	}
n@470: }