n@749: /**
n@749:  *  ape.js
n@749:  *  Create the APE interface
n@749:  */
n@749: 
n@749: 
n@749: // Once this is loaded and parsed, begin execution
n@749: loadInterface();
n@749: 
n@749: function loadInterface() {
n@749: 	
n@749: 	// Get the dimensions of the screen available to the page
n@749: 	var width = window.innerWidth;
n@749: 	var height = window.innerHeight;
n@749: 	
n@749: 	// The injection point into the HTML page
n@749: 	interfaceContext.insertPoint = document.getElementById("topLevelBody");
n@749: 	var testContent = document.createElement('div');
n@749: 	
n@749: 	testContent.id = 'testContent';
n@749: 	
n@749: 	// Bindings for interfaceContext
n@749: 	interfaceContext.checkAllPlayed = function()
n@749: 	{
n@749: 		hasBeenPlayed = audioEngineContext.checkAllPlayed();
n@749: 		if (hasBeenPlayed.length > 0) // if a fragment has not been played yet
n@749: 	    {
n@749: 	    	str = "";
n@749: 	    	if (hasBeenPlayed.length > 1) {
n@749: 		    	for (var i=0; i<hasBeenPlayed.length; i++) {
n@749: 		    		str = str + hasBeenPlayed[i];
n@749: 		    		if (i < hasBeenPlayed.length-2){
n@749: 		    			str += ", ";
n@749: 		    		} else if (i == hasBeenPlayed.length-2) {
n@749: 		    			str += " or ";
n@749: 		    		}
n@749: 		    	}
n@749: 		    	alert('You have not played fragments ' + str + ' yet. Please listen, rate and comment all samples before submitting.');
n@749: 	       } else {
n@749: 	       		alert('You have not played fragment ' + hasBeenPlayed[0] + ' yet. Please listen, rate and comment all samples before submitting.');
n@749: 	       }
n@749: 	        return false;
n@749: 	    }
n@749: 	    return true;
n@749: 	};
n@749: 	
n@749: 	interfaceContext.checkAllMoved = function() {
n@749: 		var state = true;
n@749: 		var str = 'You have not moved the following sliders. ';
n@749: 		for (var i=0; i<this.interfaceSliders.length; i++)
n@749: 		{
n@749: 			var interfaceTID = [];
n@749: 			for (var j=0; j<this.interfaceSliders[i].metrics.length; j++)
n@749: 			{
n@749: 				if (this.interfaceSliders[i].metrics[j].wasMoved == false)
n@749: 				{
n@749: 					state = false;
n@749: 					interfaceTID.push(j);
n@749: 				}
n@749: 			}
n@749: 			if (interfaceTID.length != 0)
n@749: 			{
n@749: 				var interfaceName = this.interfaceSliders[i].interfaceObject.title;
n@749: 				if (interfaceName == undefined) {
n@749: 					str += 'On axis '+String(i+1)+' you must move ';
n@749: 				} else {
n@749: 					str += 'On axis "'+interfaceName+'" you must move ';
n@749: 				}
n@749: 				if (interfaceTID.length == 1)
n@749: 				{
n@749: 					str += 'slider '+interfaceTID[0]+'. ';
n@749: 				}
n@749: 				else {
n@749: 					str += 'sliders ';
n@749: 					for (var k=0; k<interfaceTID.length-1; k++)
n@749: 					{
n@749: 						str += interfaceTID[k]+', ';
n@749: 					}
n@749: 					str += interfaceTID[interfaceTID.length-1] +'. ';
n@749: 				}
n@749: 			}
n@749: 		}
n@749: 		if (state != true)
n@749: 		{
n@749: 			alert(str);
n@749: 			console.log(str);
n@749: 		}
n@749: 		return state;
n@749: 	};
n@749: 	
n@749: 	Interface.prototype.checkAllCommented = function() {
n@749: 		var audioObjs = audioEngineContext.audioObjects;
n@749: 		var audioHolder = testState.stateMap[testState.stateIndex];
n@749: 		var state = true;
n@749: 		if (audioHolder.elementComments) {
n@749: 			var strNums = [];
n@749: 			for (var i=0; i<audioObjs.length; i++)
n@749: 			{
n@749: 				if (audioObjs[i].commentDOM.trackCommentBox.value.length == 0) {
n@749: 					state = false;
n@749: 					strNums.push(i);
n@749: 				}
n@749: 			}
n@749: 			if (state == false) {
n@749: 				if (strNums.length > 1) {
n@749: 					var str = "";
n@749: 			    	for (var i=0; i<strNums.length; i++) {
n@749: 			    		str = str + strNums[i];
n@749: 			    		if (i < strNums.length-2){
n@749: 			    			str += ", ";
n@749: 			    		} else if (i == strNums.length-2) {
n@749: 			    			str += " or ";
n@749: 			    		}
n@749: 			    	}
n@749: 			    	alert('You have not commented on fragments ' + str + ' yet. Please listen, rate and comment all samples before submitting.');
n@749: 		       } else {
n@749: 		       		alert('You have not commented on fragment ' + strNums[0] + ' yet. Please listen, rate and comment all samples before submitting.');
n@749: 		       }
n@749: 			}
n@749: 		}
n@749: 		return state;
n@749: 	};
n@749: 	
n@749: 	Interface.prototype.checkScaleRange = function()
n@749: 	{
n@749: 		var audioObjs = audioEngineContext.audioObjects;
n@749: 		var audioHolder = testState.stateMap[testState.stateIndex];
n@749: 		var state = true;
n@749: 		var str = '';
n@749: 		for (var i=0; i<this.interfaceSliders.length; i++)
n@749: 		{
n@749: 			var minScale;
n@749: 			var maxScale;
n@749: 			var interfaceObject = interfaceContext.interfaceSliders[0].interfaceObject;
n@749: 			for (var j=0; j<interfaceObject.options.length; j++)
n@749: 			{
n@749: 				if (interfaceObject.options[j].check == "scalerange") {
n@749: 					minScale = interfaceObject.options[j].min;
n@749: 					maxScale = interfaceObject.options[j].max;
n@749: 					break;
n@749: 				}
n@749: 			}
n@749: 			var minRanking = convSliderPosToRate(this.interfaceSliders[i].sliders[0]);
n@749: 			var maxRanking = minRanking;
n@749: 			for (var j=1; j<this.interfaceSliders[i].sliders.length; j++)
n@749: 			{
n@749: 				var ranking = convSliderPosToRate(this.interfaceSliders[i].sliders[j]);
n@749: 				if (ranking < minRanking)
n@749: 				{
n@749: 					minRanking = ranking;
n@749: 				} else if (ranking > maxRanking)
n@749: 				{
n@749: 					maxRanking = ranking;
n@749: 				}
n@749: 			}
n@749: 			if (minRanking > minScale || maxRanking < maxScale)
n@749: 			{
n@749: 				state = false;
n@749: 				str += 'On axis "'+this.interfaceSliders[i].interfaceObject.title+'" you have not used the full width of the scale. ';
n@749: 			}
n@749: 		}
n@749: 		if (state != true)
n@749: 		{
n@749: 			alert(str);
n@749: 			console.log(str);
n@749: 		}
n@749: 		return state;
n@749: 	};
n@749: 	
n@749: 	Interface.prototype.objectSelected = null;
n@749: 	Interface.prototype.objectMoved = false;
n@749: 	Interface.prototype.selectObject = function(object)
n@749: 	{
n@749: 		if (this.objectSelected == null)
n@749: 		{
n@749: 			this.objectSelected = object;
n@749: 			this.objectMoved = false;
n@749: 		}
n@749: 	};
n@749: 	Interface.prototype.moveObject = function()
n@749: 	{
n@749: 		if (this.objectMoved == false)
n@749: 		{
n@749: 			this.objectMoved = true;
n@749: 		}
n@749: 	};
n@749: 	Interface.prototype.releaseObject = function()
n@749: 	{
n@749: 		this.objectSelected = null;
n@749: 		this.objectMoved = false;
n@749: 	};
n@749: 	Interface.prototype.getSelectedObject = function()
n@749: 	{
n@749: 		return this.objectSelected;
n@749: 	};
n@749: 	Interface.prototype.hasSelectedObjectMoved = function()
n@749: 	{
n@749: 		return this.objectMoved;
n@749: 	};
n@749: 	
n@749: 	// Bindings for slider interfaces
n@749: 	Interface.prototype.interfaceSliders = [];
n@749: 	
n@749: 	// Bindings for audioObjects
n@749: 	
n@749: 	// Create the top div for the Title element
n@749: 	var titleAttr = specification.title;
n@749: 	var title = document.createElement('div');
n@749: 	title.className = "title";
n@749: 	title.align = "center";
n@749: 	var titleSpan = document.createElement('span');
n@749: 	
n@749: 	// Set title to that defined in XML, else set to default
n@749: 	if (titleAttr != undefined) {
n@749: 		titleSpan.textContent = titleAttr;
n@749: 	} else {
n@749: 		titleSpan.textContent =  'Listening test';
n@749: 	}
n@749: 	// Insert the titleSpan element into the title div element.
n@749: 	title.appendChild(titleSpan);
n@749: 	
n@749: 	// Create Interface buttons!
n@749: 	var interfaceButtons = document.createElement('div');
n@749: 	interfaceButtons.id = 'interface-buttons';
n@749: 	
n@749: 	// Create playback start/stop points
n@749: 	var playback = document.createElement("button");
n@749: 	playback.innerHTML = 'Stop';
n@749: 	playback.id = 'playback-button';
n@749: 	// onclick function. Check if it is playing or not, call the correct function in the
n@749: 	// audioEngine, change the button text to reflect the next state.
n@749: 	playback.onclick = function() {
n@749: 		if (audioEngineContext.status == 1) {
n@749: 			audioEngineContext.stop();
n@749: 			this.innerHTML = 'Stop';
n@749:             var time = audioEngineContext.timer.getTestTime();
n@749:             console.log('Stopped at ' + time); // DEBUG/SAFETY
n@749: 		}
n@749: 	};
n@749: 	// Create Submit (save) button
n@749: 	var submit = document.createElement("button");
n@749: 	submit.innerHTML = 'Submit';
n@749: 	submit.onclick = buttonSubmitClick;
n@749: 	submit.id = 'submit-button';
n@749: 	// Append the interface buttons into the interfaceButtons object.
n@749: 	interfaceButtons.appendChild(playback);
n@749: 	interfaceButtons.appendChild(submit);
n@749: 	
n@749: 	var sliderHolder = document.createElement("div");
n@749: 	sliderHolder.id = "slider-holder";
n@749: 	
n@749: 	
n@749: 	// Global parent for the comment boxes on the page
n@749: 	var feedbackHolder = document.createElement('div');
n@749: 	feedbackHolder.id = 'feedbackHolder';
n@749: 	
n@749: 	testContent.style.zIndex = 1;
n@749: 	interfaceContext.insertPoint.innerHTML = null; // Clear the current schema
n@749: 	
n@749: 	// Inject into HTML
n@749: 	testContent.appendChild(title); // Insert the title
n@749: 	testContent.appendChild(interfaceButtons);
n@749: 	testContent.appendChild(sliderHolder);
n@749: 	testContent.appendChild(feedbackHolder);
n@749: 	interfaceContext.insertPoint.appendChild(testContent);
n@749: 
n@749: 	// Load the full interface
n@749: 	testState.initialise();
n@749: 	testState.advanceState();
n@749: 	
n@749: }
n@749: 
n@749: function loadTest(audioHolderObject)
n@749: {
n@749: 	var width = window.innerWidth;
n@749: 	var height = window.innerHeight;
n@749: 	var id = audioHolderObject.id;
n@749: 	
n@749: 	interfaceContext.interfaceSliders = [];
n@749: 	
n@749: 	var feedbackHolder = document.getElementById('feedbackHolder');
n@749: 	var sliderHolder = document.getElementById('slider-holder');
n@749: 	feedbackHolder.innerHTML = null;
n@749: 	sliderHolder.innerHTML = null;
n@749: 	
n@749: 	// Delete outside reference
n@749: 	var outsideReferenceHolder = document.getElementById('outside-reference');
n@749: 	if (outsideReferenceHolder != null) {
n@749: 		document.getElementById('interface-buttons').removeChild(outsideReferenceHolder);
n@749: 	}
n@749: 	
n@749: 	var interfaceObj = audioHolderObject.interfaces;
n@749: 	for (var k=0; k<interfaceObj.length; k++) {
n@749: 		// Create the div box to center align
n@749: 		interfaceContext.interfaceSliders.push(new interfaceSliderHolder(interfaceObj[k]));
n@749: 		for (var i=0; i<interfaceObj[k].options.length; i++)
n@749: 		{
n@749: 			if (interfaceObj[k].options[i].type == 'option' && interfaceObj[k].options[i].name == 'playhead')
n@749: 			{
n@749: 				var playbackHolder = document.getElementById('playback-holder');
n@749: 				if (playbackHolder == null)
n@749: 				{
n@749: 					playbackHolder = document.createElement('div');
n@749: 					playbackHolder.style.width = "100%";
n@749: 					playbackHolder.align = 'center';
n@749: 					playbackHolder.appendChild(interfaceContext.playhead.object);
n@749: 					feedbackHolder.appendChild(playbackHolder);
n@749: 				}
n@749: 			} else if (interfaceObj[k].options[i].type == 'option' && interfaceObj[k].options[i].name == 'page-count')
n@749: 			{
n@749: 				var pagecountHolder = document.getElementById('page-count');
n@749: 				if (pagecountHolder == null)
n@749: 				{
n@749: 					pagecountHolder = document.createElement('div');
n@749: 					pagecountHolder.id = 'page-count';
n@749: 				}
n@749: 				pagecountHolder.innerHTML = '<span>Page '+(audioHolderObject.presentedId+1)+' of '+specification.audioHolders.length+'</span>';
n@749: 				var inject = document.getElementById('interface-buttons');
n@749: 				inject.appendChild(pagecountHolder);
n@749: 			}
n@749: 		}
n@749: 	}
n@749: 	
n@749: 	var commentBoxPrefix = "Comment on track";
n@749: 	
n@749: 	var commentShow = audioHolderObject.elementComments;
n@749: 	
n@749: 	var loopPlayback = audioHolderObject.loop;
n@749: 
n@749: 	currentTestHolder = document.createElement('audioHolder');
n@749: 	currentTestHolder.id = audioHolderObject.id;
n@749: 	currentTestHolder.repeatCount = audioHolderObject.repeatCount;
n@749: 	
n@749: 	// Find all the audioElements from the audioHolder
n@749: 	$(audioHolderObject.audioElements).each(function(index,element){
n@749: 		// Find URL of track
n@749: 		// In this jQuery loop, variable 'this' holds the current audioElement.
n@749: 		
n@749: 		// Check if an outside reference
n@749: 		if (index == audioHolderObject.outsideReference)
n@749: 		{
n@749: 			return;
n@749: 		}
n@749: 		
n@749: 		// Now load each audio sample. First create the new track by passing the full URL
n@749: 		var trackURL = audioHolderObject.hostURL + element.url;
n@749: 		var audioObject = audioEngineContext.newTrack(element);
n@749: 		
n@749: 		var node = interfaceContext.createCommentBox(audioObject);
n@749: 		
n@749: 		// Create a slider per track
n@749: 		audioObject.interfaceDOM = new sliderObject(audioObject,interfaceObj);
n@749: 		audioObject.metric.initialPosition = convSliderPosToRate(audioObject.interfaceDOM.trackSliderObjects[0]);
n@749: 		if (audioObject.state == 1)
n@749: 		{
n@749: 			audioObject.interfaceDOM.enable();
n@749: 		}
n@749:         
n@749: 	});
n@749: 	
n@749: 	$('.track-slider').mousedown(function(event) {
n@749: 		interfaceContext.selectObject($(this)[0]);
n@749: 	});
n@749: 	
n@749: 	$('.track-slider').mousemove(function(event) {
n@749: 		event.preventDefault();
n@749: 	});
n@749: 	
n@749: 	$('.slider').mousemove(function(event) {
n@749: 		event.preventDefault();
n@749: 		var obj = interfaceContext.getSelectedObject();
n@749: 		if (obj == null) {return;}
n@749: 		$(obj).css("left",event.clientX + "px");
n@749: 		interfaceContext.moveObject();
n@749: 	});
n@749: 
n@749: 	$(document).mouseup(function(event){
n@749: 		event.preventDefault();
n@749: 		var obj = interfaceContext.getSelectedObject();
n@749: 		if (obj == null) {return;}
n@749: 		var interfaceID = obj.parentElement.getAttribute("interfaceid");
n@749: 		var trackID = obj.getAttribute("trackindex");
n@749: 		if (interfaceContext.hasSelectedObjectMoved() == true)
n@749: 		{
n@749: 			var l = $(obj).css("left");
n@749: 			var id = obj.getAttribute('trackIndex');
n@749: 			var time = audioEngineContext.timer.getTestTime();
n@749: 			var rate = convSliderPosToRate(obj);
n@749: 			audioEngineContext.audioObjects[id].metric.moved(time,rate);
n@749: 			interfaceContext.interfaceSliders[interfaceID].metrics[trackID].moved(time,rate);
n@749: 			console.log("slider "+id+" moved to "+rate+' ('+time+')');
n@749: 		} else {
n@749: 			var id = Number(obj.attributes['trackIndex'].value);
n@749: 			//audioEngineContext.metric.sliderPlayed(id);
n@749: 			audioEngineContext.play(id);
n@749: 	        // Currently playing track red, rest green
n@749: 	        
n@749: 	        $('.track-slider').removeClass('track-slider-playing');
n@749: 	        var name = ".track-slider-"+obj.getAttribute("trackindex");
n@749: 	        $(name).addClass('track-slider-playing');
n@749: 	        $('.comment-div').removeClass('comment-box-playing');
n@749: 	        $('#comment-div-'+id).addClass('comment-box-playing');
n@749: 	        var outsideReference = document.getElementById('outside-reference');
n@749: 	        if (outsideReference != undefined)
n@749: 	        $(outsideReference).removeClass('track-slider-playing');
n@749: 		}
n@749: 		interfaceContext.releaseObject();
n@749: 	});
n@749: 	
n@749: 	
n@749: 	if (commentShow) {
n@749: 		interfaceContext.showCommentBoxes(feedbackHolder,true);
n@749: 	}
n@749: 	
n@749: 	$(audioHolderObject.commentQuestions).each(function(index,element) {
n@749: 		var node = interfaceContext.createCommentQuestion(element);
n@749: 		feedbackHolder.appendChild(node.holder);
n@749: 	});
n@749: 	
n@749: 	// Construct outside reference;
n@749: 	if (audioHolderObject.outsideReference != null) {
n@749: 		var outsideReferenceHolder = document.createElement('div');
n@749: 		outsideReferenceHolder.id = 'outside-reference';
n@749: 		outsideReferenceHolder.className = 'outside-reference';
n@749: 		outsideReferenceHolderspan = document.createElement('span');
n@749: 		outsideReferenceHolderspan.textContent = 'Reference';
n@749: 		outsideReferenceHolder.appendChild(outsideReferenceHolderspan);
n@749: 		
n@749: 		var audioObject = audioEngineContext.newTrack(audioHolderObject.audioElements[audioHolderObject.outsideReference]);
n@749: 		
n@749: 		outsideReferenceHolder.onclick = function(event)
n@749: 		{
n@749: 			audioEngineContext.play(audioEngineContext.audioObjects.length-1);
n@749: 			$('.track-slider').removeClass('track-slider-playing');
n@749:             $('.comment-div').removeClass('comment-box-playing');
n@749:             if (event.currentTarget.nodeName == 'DIV') {
n@749:             	$(event.currentTarget).addClass('track-slider-playing');
n@749:             } else {
n@749:             	$(event.currentTarget.parentElement).addClass('track-slider-playing');
n@749:             }
n@749: 		};
n@749: 		
n@749: 		document.getElementById('interface-buttons').appendChild(outsideReferenceHolder);
n@749: 	}
n@749: 	
n@749: 	
n@749: 	//testWaitIndicator();
n@749: }
n@749: 
n@749: function interfaceSliderHolder(interfaceObject)
n@749: {
n@749: 	this.sliders = [];
n@749: 	this.metrics = [];
n@749: 	this.id = document.getElementsByClassName("sliderCanvasDiv").length;
n@749: 	this.name = interfaceObject.name;
n@749: 	this.interfaceObject = interfaceObject;
n@749: 	this.sliderDOM = document.createElement('div');
n@749: 	this.sliderDOM.className = 'sliderCanvasDiv';
n@749: 	this.sliderDOM.id = 'sliderCanvasHolder-'+this.id;
n@749: 	
n@749: 	var pagetitle = document.createElement('div');
n@749: 	pagetitle.className = "pageTitle";
n@749: 	pagetitle.align = "center";
n@749: 	var titleSpan = document.createElement('span');
n@749: 	titleSpan.id = "pageTitle-"+this.id;
n@749: 	if (interfaceObject.title != undefined && typeof interfaceObject.title == "string")
n@749: 	{
n@749: 		titleSpan.textContent = interfaceObject.title;
n@749: 	} else {
n@749: 		titleSpan.textContent = "Axis "+String(this.id+1);
n@749: 	}
n@749: 	pagetitle.appendChild(titleSpan);
n@749: 	this.sliderDOM.appendChild(pagetitle);
n@749: 	
n@749: 	// Create the slider box to hold the slider elements
n@749: 	this.canvas = document.createElement('div');
n@749: 	if (this.name != undefined)
n@749: 		this.canvas.id = 'slider-'+this.name;
n@749: 	else
n@749: 		this.canvas.id = 'slider-'+this.id;
n@749: 	this.canvas.setAttribute("interfaceid",this.id);
n@749: 	this.canvas.className = 'slider';
n@749: 	this.canvas.align = "left";
n@749: 	this.canvas.addEventListener('dragover',function(event){
n@749: 		event.preventDefault();
n@749: 		event.dataTransfer.effectAllowed = 'none';
n@749: 		event.dataTransfer.dropEffect = 'copy';
n@749: 		return false;
n@749: 	},false);
n@749: 	var sliderMargin = document.createAttribute('marginsize');
n@749: 	sliderMargin.nodeValue = 42; // Set default margins to 42px either side
n@749: 	// Must have a known EXACT width, as this is used later to determine the ratings
n@749: 	var w = (Number(sliderMargin.nodeValue)+8)*2;
n@749: 	this.canvas.style.width = window.innerWidth - w +"px";
n@749: 	this.canvas.style.marginLeft = sliderMargin.nodeValue +'px';
n@749: 	this.canvas.setAttributeNode(sliderMargin);
n@749: 	this.sliderDOM.appendChild(this.canvas);
n@749: 	
n@749: 	// Create the div to hold any scale objects
n@749: 	this.scale = document.createElement('div');
n@749: 	this.scale.className = 'sliderScale';
n@749: 	this.scale.id = 'sliderScaleHolder-'+this.id;
n@749: 	this.scale.align = 'left';
n@749: 	this.sliderDOM.appendChild(this.scale);
n@749: 	var positionScale = this.canvas.style.width.substr(0,this.canvas.style.width.length-2);
n@749: 	var offset = Number(this.canvas.attributes['marginsize'].value);
n@749: 	for (var index=0; index<interfaceObject.scale.length; index++)
n@749: 	{
n@749: 		var scaleObj = interfaceObject.scale[index];
n@749: 		var value = document.createAttribute('value');
n@749: 		var position = Number(scaleObj[0])*0.01;
n@749: 		value.nodeValue = position;
n@749: 		var pixelPosition = (position*positionScale)+offset;
n@749: 		var scaleDOM = document.createElement('span');
n@749: 		scaleDOM.textContent = scaleObj[1];
n@749: 		this.scale.appendChild(scaleDOM);
n@749: 		scaleDOM.style.left = Math.floor((pixelPosition-($(scaleDOM).width()/2)))+'px';
n@749: 		scaleDOM.setAttributeNode(value);
n@749: 	}
n@749: 	
n@749: 	var dest = document.getElementById("slider-holder");
n@749: 	dest.appendChild(this.sliderDOM);
n@749: 	
n@749: 	this.createSliderObject = function(audioObject)
n@749: 	{
n@749: 		var trackObj = document.createElement('div');
n@749: 		trackObj.className = 'track-slider track-slider-disabled track-slider-'+audioObject.id;
n@749: 		trackObj.id = 'track-slider-'+this.id+'-'+audioObject.id;
n@749: 		trackObj.setAttribute('trackIndex',audioObject.id);
n@749: 		trackObj.innerHTML = '<span>'+audioObject.id+'</span>';
n@749: 		if (this.name != undefined) {
n@749: 			trackObj.setAttribute('interface-name',this.name);
n@749: 		} else {
n@749: 			trackObj.setAttribute('interface-name',this.id);
n@749: 		}
n@749: 		var offset = Number(this.canvas.attributes['marginsize'].value);
n@749: 		// Distribute it randomnly
n@749: 		var w = window.innerWidth - (offset+8)*2;
n@749: 		w = Math.random()*w;
n@749: 		w = Math.floor(w+(offset+8));
n@749: 		trackObj.style.left = w+'px';
n@749: 		this.canvas.appendChild(trackObj);
n@749: 		this.sliders.push(trackObj);
n@749: 		this.metrics.push(new metricTracker(this));
n@749: 		this.metrics[this.metrics.length-1].initialPosition = convSliderPosToRate(trackObj);
n@749: 		return trackObj;
n@749: 	};
n@749: 	
n@749: 	this.resize = function(event)
n@749: 	{
n@749: 		var holdValues = [];
n@749: 		for (var index = 0; index < this.sliders.length; index++)
n@749: 		{
n@749: 			holdValues.push(convSliderPosToRate(this.sliders[index])); 
n@749: 		}
n@749: 		var width = event.target.innerWidth;
n@749: 		var sliderDiv = this.canvas;
n@749: 		var sliderScaleDiv = this.scale;
n@749: 		var marginsize = Number(sliderDiv.attributes['marginsize'].value);
n@749: 		var w = (marginsize+8)*2;
n@749: 		sliderDiv.style.width = width - w + 'px';
n@749: 		var width = width - w;
n@749: 		// Move sliders into new position
n@749: 		for (var index = 0; index < this.sliders.length; index++)
n@749: 		{
n@749: 			var pos = holdValues[index];
n@749: 			var pix = pos * width;
n@749: 			this.sliders[index].style.left = pix+marginsize+'px';
n@749: 		}
n@749: 		
n@749: 		// Move scale labels
n@749: 		for (var index = 0; index < this.scale.children.length; index++)
n@749: 		{
n@749: 			var scaleObj = this.scale.children[index];
n@749: 			var position = Number(scaleObj.attributes['value'].value);
n@749: 			var pixelPosition = (position*width)+marginsize;
n@749: 			scaleObj.style.left = Math.floor((pixelPosition-($(scaleObj).width()/2)))+'px';
n@749: 		}
n@749: 	};
n@749: }
n@749: 
n@749: function sliderObject(audioObject,interfaceObjects) {
n@749: 	// Create a new slider object;
n@749: 	this.parent = audioObject;
n@749: 	this.trackSliderObjects = [];
n@749: 	for (var i=0; i<interfaceContext.interfaceSliders.length; i++)
n@749: 	{
n@749: 		var trackObj = interfaceContext.interfaceSliders[i].createSliderObject(audioObject);
n@749: 		this.trackSliderObjects.push(trackObj);
n@749: 	}
n@749: 
n@749: 	// Onclick, switch playback to that track
n@749: 	
n@749: 	this.enable = function() {
n@749: 		if (this.parent.state == 1)
n@749: 		{
n@749: 			$(this.trackSliderObjects).each(function(i,trackObj){
n@749: 				$(trackObj).removeClass('track-slider-disabled');
n@749: 			});
n@749: 		}
n@749: 	};
n@749: 	this.updateLoading = function(progress)
n@749: 	{
n@749: 		if (progress != 100)
n@749: 		{
n@749: 			progress = String(progress);
n@749: 			progress = progress.split('.')[0];
n@749: 			this.trackSliderObjects[0].children[0].textContent = progress+'%';
n@749: 		} else {
n@749: 			this.trackSliderObjects[0].children[0].textContent = this.parent.id;
n@749: 		}
n@749: 	};
n@749: 	this.exportXMLDOM = function(audioObject) {
n@749: 		// Called by the audioObject holding this element. Must be present
n@749: 		var obj = [];
n@749: 		$(this.trackSliderObjects).each(function(i,trackObj){
n@749: 			var node = document.createElement('value');
n@749: 			node.setAttribute("inteerface-name",trackObj.getAttribute("interface-name"));
n@749: 			node.textContent = convSliderPosToRate(trackObj);
n@749: 			obj.push(node);
n@749: 		});
n@749: 		
n@749: 		return obj;
n@749: 	};
n@749: 	this.getValue = function() {
n@749: 		return convSliderPosToRate(this.trackSliderObj);
n@749: 	};
n@749: }
n@749: 
n@749: function buttonSubmitClick()
n@749: {
n@749: 	var checks = testState.currentStateMap[testState.currentIndex].interfaces[0].options;
n@749: 	var canContinue = true;
n@749: 	
n@749: 	// Check that the anchor and reference objects are correctly placed
n@749: 	if (interfaceContext.checkHiddenAnchor() == false) {return;}
n@749: 	if (interfaceContext.checkHiddenReference() == false) {return;}
n@749: 	
n@749: 	for (var i=0; i<checks.length; i++) {
n@749: 		if (checks[i].type == 'check')
n@749: 		{
n@749: 			switch(checks[i].check) {
n@749: 			case 'fragmentPlayed':
n@749: 				// Check if all fragments have been played
n@749: 				var checkState = interfaceContext.checkAllPlayed();
n@749: 				if (checkState == false) {canContinue = false;}
n@749: 				break;
n@749: 			case  'fragmentFullPlayback':
n@749: 				// Check all fragments have been played to their full length
n@749: 				var checkState = interfaceContext.checkFragmentsFullyPlayed();
n@749: 				if (checkState == false) {canContinue = false;}
n@749: 				break;
n@749: 			case 'fragmentMoved':
n@749: 				// Check all fragment sliders have been moved.
n@749: 				var checkState = interfaceContext.checkAllMoved();
n@749: 				if (checkState == false) {canContinue = false;}
n@749: 				break;
n@749: 			case 'fragmentComments':
n@749: 				// Check all fragment sliders have been moved.
n@749: 				var checkState = interfaceContext.checkAllCommented();
n@749: 				if (checkState == false) {canContinue = false;}
n@749: 				break;
n@749: 			case 'scalerange':
n@749: 				// Check the scale is used to its full width outlined by the node
n@749: 				var checkState = interfaceContext.checkScaleRange();
n@749: 				if (checkState == false) {canContinue = false;}
n@749: 				break;
n@749: 			default:
n@749: 				console.log("WARNING - Check option "+checks[i].check+" is not supported on this interface");
n@749: 				break;
n@749: 			}
n@749: 
n@749: 		}
n@749: 		if (!canContinue) {break;}
n@749: 	}
n@749:    
n@749:     if (canContinue) {
n@749: 	    if (audioEngineContext.status == 1) {
n@749: 	        var playback = document.getElementById('playback-button');
n@749: 	        playback.click();
n@749: 	    // This function is called when the submit button is clicked. Will check for any further tests to perform, or any post-test options
n@749: 	    } else
n@749: 	    {
n@749: 	        if (audioEngineContext.timer.testStarted == false)
n@749: 	        {
n@749: 	            alert('You have not started the test! Please click a fragment to begin the test!');
n@749: 	            return;
n@749: 	        }
n@749: 	    }
n@749: 	    testState.advanceState();
n@749:     } 
n@749: }
n@749: 
n@749: function convSliderPosToRate(trackSlider)
n@749: {
n@749: 	var slider = trackSlider.parentElement;
n@749: 	var w = slider.style.width;
n@749: 	var marginsize = Number(slider.attributes['marginsize'].value);
n@749: 	var maxPix = w.substr(0,w.length-2);
n@749: 	var pix = trackSlider.style.left;
n@749: 	pix = pix.substr(0,pix.length-2);
n@749: 	var rate = (pix-marginsize)/maxPix;
n@749: 	return rate;
n@749: }
n@749: 
n@749: function resizeWindow(event){
n@749: 	// Function called when the window has been resized.
n@749: 	// MANDATORY FUNCTION
n@749: 	
n@749: 	// Resize the slider objects
n@749: 	for (var i=0; i<interfaceContext.interfaceSliders.length; i++)
n@749: 	{
n@749: 		interfaceContext.interfaceSliders[i].resize(event);
n@749: 	}
n@749: }
n@749: 
n@749: function pageXMLSave(store, testXML)
n@749: {
n@749: 	// MANDATORY
n@749: 	// Saves a specific test page
n@749: 	// You can use this space to add any extra nodes to your XML <audioHolder> saves
n@749: 	// Get the current <audioHolder> information in store (remember to appendChild your data to it)
n@749: 	if (interfaceContext.interfaceSliders.length == 1)
n@749: 	{
n@749: 		// If there is only one axis, there only needs to be one metric return
n@749: 		return;
n@749: 	}
n@749: 	var audioelements = store.getElementsByTagName("audioelement");
n@749: 	for (var i=0; i<audioelements.length; i++)
n@749: 	{
n@749: 		// Have to append the metric specific nodes
n@749: 		if (testXML.outsideReference == null || testXML.outsideReference.id != audioelements[i].id)
n@749: 		{
n@749: 			var inject = audioelements[i].getElementsByTagName("metric");
n@749: 			if (inject.length == 0)
n@749: 			{
n@749: 				inject = document.createElement("metric");
n@749: 			} else {
n@749: 				inject = inject[0];
n@749: 			}
n@749: 			for (var k=0; k<interfaceContext.interfaceSliders.length; k++)
n@749: 			{
n@749: 				var node = interfaceContext.interfaceSliders[k].metrics[i].exportXMLDOM();
n@749: 				var mrnodes = node.getElementsByTagName("metricresult");
n@749: 				for (var j=0; j<mrnodes.length; j++)
n@749: 				{
n@749: 					var name = mrnodes[j].getAttribute("name");
n@749: 					if (name == "elementTracker" || name == "elementTrackerFull" || name == "elementInitialPosition" || name == "elementFlagMoved")
n@749: 					{
n@749: 						mrnodes[j].setAttribute("interface-name",interfaceContext.interfaceSliders[k].name);
n@749: 						mrnodes[j].setAttribute("interface-id",k);
n@749: 						inject.appendChild(mrnodes[j]);
n@749: 					}
n@749: 				}
n@749: 			}
n@749: 		}
n@749: 	}
n@749: }