nicholas@755: /**
nicholas@755:  *  ape.js
nicholas@755:  *  Create the APE interface
nicholas@755:  */
nicholas@755: 
nicholas@755: 
nicholas@755: // Once this is loaded and parsed, begin execution
nicholas@755: loadInterface();
nicholas@755: 
nicholas@755: function loadInterface() {
nicholas@755: 	
nicholas@755: 	// Get the dimensions of the screen available to the page
nicholas@755: 	var width = window.innerWidth;
nicholas@755: 	var height = window.innerHeight;
nicholas@755: 	
nicholas@755: 	// The injection point into the HTML page
nicholas@755: 	interfaceContext.insertPoint = document.getElementById("topLevelBody");
nicholas@755: 	var testContent = document.createElement('div');
nicholas@755: 	
nicholas@755: 	testContent.id = 'testContent';
nicholas@755: 	
nicholas@755: 	// Bindings for interfaceContext
nicholas@755: 	Interface.prototype.checkAllPlayed = function()
nicholas@755: 	{
nicholas@755: 		hasBeenPlayed = audioEngineContext.checkAllPlayed();
nicholas@755: 		if (hasBeenPlayed.length > 0) // if a fragment has not been played yet
nicholas@755: 	    {
nicholas@755: 	    	str = "";
nicholas@755: 	    	if (hasBeenPlayed.length > 1) {
nicholas@755: 		    	for (var i=0; i<hasBeenPlayed.length; i++) {
nicholas@755: 		    		str = str + hasBeenPlayed[i];
nicholas@755: 		    		if (i < hasBeenPlayed.length-2){
nicholas@755: 		    			str += ", ";
nicholas@755: 		    		} else if (i == hasBeenPlayed.length-2) {
nicholas@755: 		    			str += " or ";
nicholas@755: 		    		}
nicholas@755: 		    	}
nicholas@755: 		    	alert('You have not played fragments ' + str + ' yet. Please listen, rate and comment all samples before submitting.');
nicholas@755: 	       } else {
nicholas@755: 	       		alert('You have not played fragment ' + hasBeenPlayed[0] + ' yet. Please listen, rate and comment all samples before submitting.');
nicholas@755: 	       }
nicholas@755: 	        return false;
nicholas@755: 	    }
nicholas@755: 	    return true;
nicholas@755: 	};
nicholas@755: 	
nicholas@755: 	Interface.prototype.checkAllMoved = function() {
nicholas@755: 		var state = true;
nicholas@755: 		var str = 'You have not moved the following sliders. ';
nicholas@755: 		for (var i=0; i<this.interfaceSliders.length; i++)
nicholas@755: 		{
nicholas@755: 			var interfaceTID = [];
nicholas@755: 			for (var j=0; j<this.interfaceSliders[i].metrics.length; j++)
nicholas@755: 			{
nicholas@755: 				if (this.interfaceSliders[i].metrics[j].wasMoved == false)
nicholas@755: 				{
nicholas@755: 					state = false;
nicholas@755: 					interfaceTID.push(j);
nicholas@755: 				}
nicholas@755: 			}
nicholas@755: 			if (interfaceTID.length != 0)
nicholas@755: 			{
nicholas@755: 				var interfaceName = this.interfaceSliders[i].interfaceObject.title;
nicholas@755: 				if (interfaceName == undefined) {
nicholas@755: 					str += 'On axis '+String(i+1)+' you must move ';
nicholas@755: 				} else {
nicholas@755: 					str += 'On axis "'+interfaceName+'" you must move ';
nicholas@755: 				}
nicholas@755: 				if (interfaceTID.length == 1)
nicholas@755: 				{
nicholas@755: 					str += 'slider '+interfaceTID[0]+'. ';
nicholas@755: 				}
nicholas@755: 				else {
nicholas@755: 					str += 'sliders ';
nicholas@755: 					for (var k=0; k<interfaceTID.length-1; k++)
nicholas@755: 					{
nicholas@755: 						str += interfaceTID[k]+', ';
nicholas@755: 					}
nicholas@755: 					str += interfaceTID[interfaceTID.length-1] +'. ';
nicholas@755: 				}
nicholas@755: 			}
nicholas@755: 		}
nicholas@755: 		if (state != true)
nicholas@755: 		{
nicholas@755: 			alert(str);
nicholas@755: 			console.log(str);
nicholas@755: 		}
nicholas@755: 		return state;
nicholas@755: 	};
nicholas@755: 	
nicholas@755: 	Interface.prototype.checkAllCommented = function() {
nicholas@755: 		var audioObjs = audioEngineContext.audioObjects;
nicholas@755: 		var audioHolder = testState.stateMap[testState.stateIndex];
nicholas@755: 		var state = true;
nicholas@755: 		if (audioHolder.elementComments) {
nicholas@755: 			var strNums = [];
nicholas@755: 			for (var i=0; i<audioObjs.length; i++)
nicholas@755: 			{
nicholas@755: 				if (audioObjs[i].commentDOM.trackCommentBox.value.length == 0) {
nicholas@755: 					state = false;
nicholas@755: 					strNums.push(i);
nicholas@755: 				}
nicholas@755: 			}
nicholas@755: 			if (state == false) {
nicholas@755: 				if (strNums.length > 1) {
nicholas@755: 					var str = "";
nicholas@755: 			    	for (var i=0; i<strNums.length; i++) {
nicholas@755: 			    		str = str + strNums[i];
nicholas@755: 			    		if (i < strNums.length-2){
nicholas@755: 			    			str += ", ";
nicholas@755: 			    		} else if (i == strNums.length-2) {
nicholas@755: 			    			str += " or ";
nicholas@755: 			    		}
nicholas@755: 			    	}
nicholas@755: 			    	alert('You have not commented on fragments ' + str + ' yet. Please listen, rate and comment all samples before submitting.');
nicholas@755: 		       } else {
nicholas@755: 		       		alert('You have not commented on fragment ' + strNums[0] + ' yet. Please listen, rate and comment all samples before submitting.');
nicholas@755: 		       }
nicholas@755: 			}
nicholas@755: 		}
nicholas@755: 		return state;
nicholas@755: 	};
nicholas@755: 	
nicholas@755: 	Interface.prototype.checkScaleRange = function()
nicholas@755: 	{
nicholas@755: 		var audioObjs = audioEngineContext.audioObjects;
nicholas@755: 		var audioHolder = testState.stateMap[testState.stateIndex];
nicholas@755: 		var state = true;
nicholas@755: 		var str = '';
nicholas@755: 		for (var i=0; i<this.interfaceSliders.length; i++)
nicholas@755: 		{
nicholas@755: 			var minScale;
nicholas@755: 			var maxScale;
nicholas@755: 			var interfaceObject = interfaceContext.interfaceSliders[0].interfaceObject;
nicholas@755: 			for (var j=0; j<interfaceObject.options.length; j++)
nicholas@755: 			{
nicholas@755: 				if (interfaceObject.options[j].check == "scalerange") {
nicholas@755: 					minScale = interfaceObject.options[j].min;
nicholas@755: 					maxScale = interfaceObject.options[j].max;
nicholas@755: 					break;
nicholas@755: 				}
nicholas@755: 			}
nicholas@755: 			var minRanking = convSliderPosToRate(this.interfaceSliders[i].sliders[0]);
nicholas@755: 			var maxRanking = minRanking;
nicholas@755: 			for (var j=1; j<this.interfaceSliders[i].sliders.length; j++)
nicholas@755: 			{
nicholas@755: 				var ranking = convSliderPosToRate(this.interfaceSliders[i].sliders[j]);
nicholas@755: 				if (ranking < minRanking)
nicholas@755: 				{
nicholas@755: 					minRanking = ranking;
nicholas@755: 				} else if (ranking > maxRanking)
nicholas@755: 				{
nicholas@755: 					maxRanking = ranking;
nicholas@755: 				}
nicholas@755: 			}
nicholas@755: 			if (minRanking > minScale || maxRanking < maxScale)
nicholas@755: 			{
nicholas@755: 				state = false;
nicholas@755: 				str += 'On axis "'+this.interfaceSliders[i].interfaceObject.title+'" you have not used the full width of the scale. ';
nicholas@755: 			}
nicholas@755: 		}
nicholas@755: 		if (state != true)
nicholas@755: 		{
nicholas@755: 			alert(str);
nicholas@755: 			console.log(str);
nicholas@755: 		}
nicholas@755: 		return state;
nicholas@755: 	};
nicholas@755: 	
nicholas@755: 	Interface.prototype.objectSelected = null;
nicholas@755: 	Interface.prototype.objectMoved = false;
nicholas@755: 	Interface.prototype.selectObject = function(object)
nicholas@755: 	{
nicholas@755: 		if (this.objectSelected == null)
nicholas@755: 		{
nicholas@755: 			this.objectSelected = object;
nicholas@755: 			this.objectMoved = false;
nicholas@755: 		}
nicholas@755: 	};
nicholas@755: 	Interface.prototype.moveObject = function()
nicholas@755: 	{
nicholas@755: 		if (this.objectMoved == false)
nicholas@755: 		{
nicholas@755: 			this.objectMoved = true;
nicholas@755: 		}
nicholas@755: 	};
nicholas@755: 	Interface.prototype.releaseObject = function()
nicholas@755: 	{
nicholas@755: 		this.objectSelected = null;
nicholas@755: 		this.objectMoved = false;
nicholas@755: 	};
nicholas@755: 	Interface.prototype.getSelectedObject = function()
nicholas@755: 	{
nicholas@755: 		return this.objectSelected;
nicholas@755: 	};
nicholas@755: 	Interface.prototype.hasSelectedObjectMoved = function()
nicholas@755: 	{
nicholas@755: 		return this.objectMoved;
nicholas@755: 	};
nicholas@755: 	
nicholas@755: 	// Bindings for slider interfaces
nicholas@755: 	Interface.prototype.interfaceSliders = [];
nicholas@755: 	
nicholas@755: 	// Bindings for audioObjects
nicholas@755: 	
nicholas@755: 	// Create the top div for the Title element
nicholas@755: 	var titleAttr = specification.title;
nicholas@755: 	var title = document.createElement('div');
nicholas@755: 	title.className = "title";
nicholas@755: 	title.align = "center";
nicholas@755: 	var titleSpan = document.createElement('span');
nicholas@755: 	
nicholas@755: 	// Set title to that defined in XML, else set to default
nicholas@755: 	if (titleAttr != undefined) {
nicholas@755: 		titleSpan.textContent = titleAttr;
nicholas@755: 	} else {
nicholas@755: 		titleSpan.textContent =  'Listening test';
nicholas@755: 	}
nicholas@755: 	// Insert the titleSpan element into the title div element.
nicholas@755: 	title.appendChild(titleSpan);
nicholas@755: 	
nicholas@755: 	// Create Interface buttons!
nicholas@755: 	var interfaceButtons = document.createElement('div');
nicholas@755: 	interfaceButtons.id = 'interface-buttons';
nicholas@755: 	
nicholas@755: 	// Create playback start/stop points
nicholas@755: 	var playback = document.createElement("button");
nicholas@755: 	playback.innerHTML = 'Stop';
nicholas@755: 	playback.id = 'playback-button';
nicholas@755: 	// onclick function. Check if it is playing or not, call the correct function in the
nicholas@755: 	// audioEngine, change the button text to reflect the next state.
nicholas@755: 	playback.onclick = function() {
nicholas@755: 		if (audioEngineContext.status == 1) {
nicholas@755: 			audioEngineContext.stop();
nicholas@755: 			this.innerHTML = 'Stop';
nicholas@755:             var time = audioEngineContext.timer.getTestTime();
nicholas@755:             console.log('Stopped at ' + time); // DEBUG/SAFETY
nicholas@755: 		}
nicholas@755: 	};
nicholas@755: 	// Create Submit (save) button
nicholas@755: 	var submit = document.createElement("button");
nicholas@755: 	submit.innerHTML = 'Submit';
nicholas@755: 	submit.onclick = buttonSubmitClick;
nicholas@755: 	submit.id = 'submit-button';
nicholas@755: 	// Append the interface buttons into the interfaceButtons object.
nicholas@755: 	interfaceButtons.appendChild(playback);
nicholas@755: 	interfaceButtons.appendChild(submit);
nicholas@755: 	
nicholas@755: 	var sliderHolder = document.createElement("div");
nicholas@755: 	sliderHolder.id = "slider-holder";
nicholas@755: 	
nicholas@755: 	
nicholas@755: 	// Global parent for the comment boxes on the page
nicholas@755: 	var feedbackHolder = document.createElement('div');
nicholas@755: 	feedbackHolder.id = 'feedbackHolder';
nicholas@755: 	
nicholas@755: 	testContent.style.zIndex = 1;
nicholas@755: 	interfaceContext.insertPoint.innerHTML = null; // Clear the current schema
nicholas@755: 	
nicholas@755: 	// Inject into HTML
nicholas@755: 	testContent.appendChild(title); // Insert the title
nicholas@755: 	testContent.appendChild(interfaceButtons);
nicholas@755: 	testContent.appendChild(sliderHolder);
nicholas@755: 	testContent.appendChild(feedbackHolder);
nicholas@755: 	interfaceContext.insertPoint.appendChild(testContent);
nicholas@755: 
nicholas@755: 	// Load the full interface
nicholas@755: 	testState.initialise();
nicholas@755: 	testState.advanceState();
nicholas@755: 	
nicholas@755: }
nicholas@755: 
nicholas@755: function loadTest(audioHolderObject)
nicholas@755: {
nicholas@755: 	var width = window.innerWidth;
nicholas@755: 	var height = window.innerHeight;
nicholas@755: 	var id = audioHolderObject.id;
nicholas@755: 	
nicholas@755: 	interfaceContext.interfaceSliders = [];
nicholas@755: 	
nicholas@755: 	var feedbackHolder = document.getElementById('feedbackHolder');
nicholas@755: 	var sliderHolder = document.getElementById('slider-holder');
nicholas@755: 	feedbackHolder.innerHTML = null;
nicholas@755: 	sliderHolder.innerHTML = null;
nicholas@755: 	
nicholas@755: 	var interfaceObj = audioHolderObject.interfaces;
nicholas@755: 	for (var k=0; k<interfaceObj.length; k++) {
nicholas@755: 		// Create the div box to center align
nicholas@755: 		interfaceContext.interfaceSliders.push(new interfaceSliderHolder(interfaceObj[k]));
nicholas@755: 		for (var i=0; i<interfaceObj[k].options.length; i++)
nicholas@755: 		{
nicholas@755: 			if (interfaceObj[k].options[i].type == 'option' && interfaceObj[k].options[i].name == 'playhead')
nicholas@755: 			{
nicholas@755: 				var playbackHolder = document.getElementById('playback-holder');
nicholas@755: 				if (playbackHolder == null)
nicholas@755: 				{
nicholas@755: 					playbackHolder = document.createElement('div');
nicholas@755: 					playbackHolder.style.width = "100%";
nicholas@755: 					playbackHolder.align = 'center';
nicholas@755: 					playbackHolder.appendChild(interfaceContext.playhead.object);
nicholas@755: 					feedbackHolder.appendChild(playbackHolder);
nicholas@755: 				}
nicholas@755: 			} else if (interfaceObj[k].options[i].type == 'option' && interfaceObj[k].options[i].name == 'page-count')
nicholas@755: 			{
nicholas@755: 				var pagecountHolder = document.getElementById('page-count');
nicholas@755: 				if (pagecountHolder == null)
nicholas@755: 				{
nicholas@755: 					pagecountHolder = document.createElement('div');
nicholas@755: 					pagecountHolder.id = 'page-count';
nicholas@755: 				}
nicholas@755: 				pagecountHolder.innerHTML = '<span>Test '+(audioHolderObject.presentedId+1)+' of '+specification.audioHolders.length+'</span>';
nicholas@755: 				var inject = document.getElementById('interface-buttons');
nicholas@755: 				inject.appendChild(pagecountHolder);
nicholas@755: 			}
nicholas@755: 		}
nicholas@755: 	}
nicholas@755: 	
nicholas@755: 	var commentBoxPrefix = "Comment on track";
nicholas@755: 	
nicholas@755: 	var commentShow = audioHolderObject.elementComments;
nicholas@755: 	
nicholas@755: 	var loopPlayback = audioHolderObject.loop;
nicholas@755: 
nicholas@755: 	currentTestHolder = document.createElement('audioHolder');
nicholas@755: 	currentTestHolder.id = audioHolderObject.id;
nicholas@755: 	currentTestHolder.repeatCount = audioHolderObject.repeatCount;
nicholas@755: 	
nicholas@755: 	// Find all the audioElements from the audioHolder
nicholas@755: 	$(audioHolderObject.audioElements).each(function(index,element){
nicholas@755: 		// Find URL of track
nicholas@755: 		// In this jQuery loop, variable 'this' holds the current audioElement.
nicholas@755: 		
nicholas@755: 		// Now load each audio sample. First create the new track by passing the full URL
nicholas@755: 		var trackURL = audioHolderObject.hostURL + element.url;
nicholas@755: 		var audioObject = audioEngineContext.newTrack(element);
nicholas@755: 		
nicholas@755: 		var node = interfaceContext.createCommentBox(audioObject);
nicholas@755: 		
nicholas@755: 		// Create a slider per track
nicholas@755: 		audioObject.interfaceDOM = new sliderObject(audioObject,interfaceObj);
nicholas@755: 		audioObject.metric.initialPosition = convSliderPosToRate(audioObject.interfaceDOM.trackSliderObjects[0]);
nicholas@755: 		if (audioObject.state == 1)
nicholas@755: 		{
nicholas@755: 			audioObject.interfaceDOM.enable();
nicholas@755: 		}
nicholas@755:         
nicholas@755: 	});
nicholas@755: 	
nicholas@755: 	$('.track-slider').mousedown(function(event) {
nicholas@755: 		interfaceContext.selectObject($(this)[0]);
nicholas@755: 	});
nicholas@755: 	
nicholas@755: 	$('.track-slider').mousemove(function(event) {
nicholas@755: 		event.preventDefault();
nicholas@755: 	});
nicholas@755: 	
nicholas@755: 	$('.slider').mousemove(function(event) {
nicholas@755: 		event.preventDefault();
nicholas@755: 		var obj = interfaceContext.getSelectedObject();
nicholas@755: 		if (obj == null) {return;}
nicholas@755: 		$(obj).css("left",event.clientX + "px");
nicholas@755: 		interfaceContext.moveObject();
nicholas@755: 	});
nicholas@755: 
nicholas@755: 	$(document).mouseup(function(event){
nicholas@755: 		event.preventDefault();
nicholas@755: 		var obj = interfaceContext.getSelectedObject();
nicholas@755: 		if (obj == null) {return;}
nicholas@755: 		var interfaceID = obj.parentElement.getAttribute("interfaceid");
nicholas@755: 		var trackID = obj.getAttribute("trackindex");
nicholas@755: 		if (interfaceContext.hasSelectedObjectMoved() == true)
nicholas@755: 		{
nicholas@755: 			var l = $(obj).css("left");
nicholas@755: 			var id = obj.getAttribute('trackIndex');
nicholas@755: 			var time = audioEngineContext.timer.getTestTime();
nicholas@755: 			var rate = convSliderPosToRate(obj);
nicholas@755: 			audioEngineContext.audioObjects[id].metric.moved(time,rate);
nicholas@755: 			interfaceContext.interfaceSliders[interfaceID].metrics[trackID].moved(time,rate);
nicholas@755: 			console.log("slider "+id+" moved to "+rate+' ('+time+')');
nicholas@755: 		} else {
nicholas@755: 			var id = Number(obj.attributes['trackIndex'].value);
nicholas@755: 			//audioEngineContext.metric.sliderPlayed(id);
nicholas@755: 			audioEngineContext.play(id);
nicholas@755: 	        // Currently playing track red, rest green
nicholas@755: 	        
nicholas@755: 	        $('.track-slider').removeClass('track-slider-playing');
nicholas@755: 	        var name = ".track-slider-"+obj.getAttribute("trackindex");
nicholas@755: 	        $(name).addClass('track-slider-playing');
nicholas@755: 	        $('.comment-div').removeClass('comment-box-playing');
nicholas@755: 	        $('#comment-div-'+id).addClass('comment-box-playing');
nicholas@755: 	        var outsideReference = document.getElementById('outside-reference');
nicholas@755: 	        if (outsideReference != undefined)
nicholas@755: 	        $(outsideReference).removeClass('track-slider-playing');
nicholas@755: 		}
nicholas@755: 		interfaceContext.releaseObject();
nicholas@755: 	});
nicholas@755: 	
nicholas@755: 	
nicholas@755: 	if (commentShow) {
nicholas@755: 		interfaceContext.showCommentBoxes(feedbackHolder,true);
nicholas@755: 	}
nicholas@755: 	
nicholas@755: 	$(audioHolderObject.commentQuestions).each(function(index,element) {
nicholas@755: 		var node = interfaceContext.createCommentQuestion(element);
nicholas@755: 		feedbackHolder.appendChild(node.holder);
nicholas@755: 	});
nicholas@755: 	
nicholas@755: 	// Construct outside reference;
nicholas@755: 	if (audioHolderObject.outsideReference != null) {
nicholas@755: 		var outsideReferenceHolder = document.createElement('div');
nicholas@755: 		outsideReferenceHolder.id = 'outside-reference';
nicholas@755: 		outsideReferenceHolder.className = 'outside-reference';
nicholas@755: 		outsideReferenceHolderspan = document.createElement('span');
nicholas@755: 		outsideReferenceHolderspan.textContent = 'Reference';
nicholas@755: 		outsideReferenceHolder.appendChild(outsideReferenceHolderspan);
nicholas@755: 		
nicholas@755: 		var audioObject = audioEngineContext.newTrack(audioHolderObject.outsideReference);
nicholas@755: 		
nicholas@755: 		outsideReferenceHolder.onclick = function(event)
nicholas@755: 		{
nicholas@755: 			audioEngineContext.play(audioEngineContext.audioObjects.length-1);
nicholas@755: 			$('.track-slider').removeClass('track-slider-playing');
nicholas@755:             $('.comment-div').removeClass('comment-box-playing');
nicholas@755:             if (event.currentTarget.nodeName == 'DIV') {
nicholas@755:             	$(event.currentTarget).addClass('track-slider-playing');
nicholas@755:             } else {
nicholas@755:             	$(event.currentTarget.parentElement).addClass('track-slider-playing');
nicholas@755:             }
nicholas@755: 		};
nicholas@755: 		
nicholas@755: 		document.getElementById('interface-buttons').appendChild(outsideReferenceHolder);
nicholas@755: 	}
nicholas@755: 	
nicholas@755: 	
nicholas@755: 	//testWaitIndicator();
nicholas@755: }
nicholas@755: 
nicholas@755: function interfaceSliderHolder(interfaceObject)
nicholas@755: {
nicholas@755: 	this.sliders = [];
nicholas@755: 	this.metrics = [];
nicholas@755: 	this.id = document.getElementsByClassName("sliderCanvasDiv").length;
nicholas@755: 	this.name = interfaceObject.name;
nicholas@755: 	this.interfaceObject = interfaceObject;
nicholas@755: 	this.sliderDOM = document.createElement('div');
nicholas@755: 	this.sliderDOM.className = 'sliderCanvasDiv';
nicholas@755: 	this.sliderDOM.id = 'sliderCanvasHolder-'+this.id;
nicholas@755: 	
nicholas@755: 	var pagetitle = document.createElement('div');
nicholas@755: 	pagetitle.className = "pageTitle";
nicholas@755: 	pagetitle.align = "center";
nicholas@755: 	var titleSpan = document.createElement('span');
nicholas@755: 	titleSpan.id = "pageTitle-"+this.id;
nicholas@755: 	if (interfaceObject.title != undefined && typeof interfaceObject.title == "string")
nicholas@755: 	{
nicholas@755: 		titleSpan.textContent = interfaceObject.title;
nicholas@755: 	} else {
nicholas@755: 		titleSpan.textContent = "Axis "+String(this.id+1);
nicholas@755: 	}
nicholas@755: 	pagetitle.appendChild(titleSpan);
nicholas@755: 	this.sliderDOM.appendChild(pagetitle);
nicholas@755: 	
nicholas@755: 	// Create the slider box to hold the slider elements
nicholas@755: 	this.canvas = document.createElement('div');
nicholas@755: 	if (this.name != undefined)
nicholas@755: 		this.canvas.id = 'slider-'+this.name;
nicholas@755: 	else
nicholas@755: 		this.canvas.id = 'slider-'+this.id;
nicholas@755: 	this.canvas.setAttribute("interfaceid",this.id);
nicholas@755: 	this.canvas.className = 'slider';
nicholas@755: 	this.canvas.align = "left";
nicholas@755: 	this.canvas.addEventListener('dragover',function(event){
nicholas@755: 		event.preventDefault();
nicholas@755: 		event.dataTransfer.effectAllowed = 'none';
nicholas@755: 		event.dataTransfer.dropEffect = 'copy';
nicholas@755: 		return false;
nicholas@755: 	},false);
nicholas@755: 	var sliderMargin = document.createAttribute('marginsize');
nicholas@755: 	sliderMargin.nodeValue = 42; // Set default margins to 42px either side
nicholas@755: 	// Must have a known EXACT width, as this is used later to determine the ratings
nicholas@755: 	var w = (Number(sliderMargin.nodeValue)+8)*2;
nicholas@755: 	this.canvas.style.width = window.innerWidth - w +"px";
nicholas@755: 	this.canvas.style.marginLeft = sliderMargin.nodeValue +'px';
nicholas@755: 	this.canvas.setAttributeNode(sliderMargin);
nicholas@755: 	this.sliderDOM.appendChild(this.canvas);
nicholas@755: 	
nicholas@755: 	// Create the div to hold any scale objects
nicholas@755: 	this.scale = document.createElement('div');
nicholas@755: 	this.scale.className = 'sliderScale';
nicholas@755: 	this.scale.id = 'sliderScaleHolder-'+this.id;
nicholas@755: 	this.scale.align = 'left';
nicholas@755: 	this.sliderDOM.appendChild(this.scale);
nicholas@755: 	var positionScale = this.canvas.style.width.substr(0,this.canvas.style.width.length-2);
nicholas@755: 	var offset = Number(this.canvas.attributes['marginsize'].value);
nicholas@755: 	for (var index=0; index<interfaceObject.scale.length; index++)
nicholas@755: 	{
nicholas@755: 		var scaleObj = interfaceObject.scale[index];
nicholas@755: 		var value = document.createAttribute('value');
nicholas@755: 		var position = Number(scaleObj[0])*0.01;
nicholas@755: 		value.nodeValue = position;
nicholas@755: 		var pixelPosition = (position*positionScale)+offset;
nicholas@755: 		var scaleDOM = document.createElement('span');
nicholas@755: 		scaleDOM.textContent = scaleObj[1];
nicholas@755: 		this.scale.appendChild(scaleDOM);
nicholas@755: 		scaleDOM.style.left = Math.floor((pixelPosition-($(scaleDOM).width()/2)))+'px';
nicholas@755: 		scaleDOM.setAttributeNode(value);
nicholas@755: 	}
nicholas@755: 	
nicholas@755: 	var dest = document.getElementById("slider-holder");
nicholas@755: 	dest.appendChild(this.sliderDOM);
nicholas@755: 	
nicholas@755: 	this.createSliderObject = function(audioObject)
nicholas@755: 	{
nicholas@755: 		var trackObj = document.createElement('div');
nicholas@755: 		trackObj.className = 'track-slider track-slider-disabled track-slider-'+audioObject.id;
nicholas@755: 		trackObj.id = 'track-slider-'+this.id+'-'+audioObject.id;
nicholas@755: 		trackObj.setAttribute('trackIndex',audioObject.id);
nicholas@755: 		trackObj.innerHTML = '<span>'+audioObject.id+'</span>';
nicholas@755: 		if (this.name != undefined) {
nicholas@755: 			trackObj.setAttribute('interface-name',this.name);
nicholas@755: 		} else {
nicholas@755: 			trackObj.setAttribute('interface-name',this.id);
nicholas@755: 		}
nicholas@755: 		var offset = Number(this.canvas.attributes['marginsize'].value);
nicholas@755: 		// Distribute it randomnly
nicholas@755: 		var w = window.innerWidth - (offset+8)*2;
nicholas@755: 		w = Math.random()*w;
nicholas@755: 		w = Math.floor(w+(offset+8));
nicholas@755: 		trackObj.style.left = w+'px';
nicholas@755: 		this.canvas.appendChild(trackObj);
nicholas@755: 		this.sliders.push(trackObj);
nicholas@755: 		this.metrics.push(new metricTracker(this));
nicholas@755: 		this.metrics[this.metrics.length-1].initialPosition = convSliderPosToRate(trackObj);
nicholas@755: 		return trackObj;
nicholas@755: 	};
nicholas@755: 	
nicholas@755: 	this.resize = function(event)
nicholas@755: 	{
nicholas@755: 		var holdValues = [];
nicholas@755: 		for (var index = 0; index < this.sliders.length; index++)
nicholas@755: 		{
nicholas@755: 			holdValues.push(convSliderPosToRate(this.sliders[index])); 
nicholas@755: 		}
nicholas@755: 		var width = event.target.innerWidth;
nicholas@755: 		var sliderDiv = this.canvas;
nicholas@755: 		var sliderScaleDiv = this.scale;
nicholas@755: 		var marginsize = Number(sliderDiv.attributes['marginsize'].value);
nicholas@755: 		var w = (marginsize+8)*2;
nicholas@755: 		sliderDiv.style.width = width - w + 'px';
nicholas@755: 		var width = width - w;
nicholas@755: 		// Move sliders into new position
nicholas@755: 		for (var index = 0; index < this.sliders.length; index++)
nicholas@755: 		{
nicholas@755: 			var pos = holdValues[index];
nicholas@755: 			var pix = pos * width;
nicholas@755: 			this.sliders[index].style.left = pix+marginsize+'px';
nicholas@755: 		}
nicholas@755: 		
nicholas@755: 		// Move scale labels
nicholas@755: 		for (var index = 0; index < this.scale.children.length; index++)
nicholas@755: 		{
nicholas@755: 			var scaleObj = this.scale.children[index];
nicholas@755: 			var position = Number(scaleObj.attributes['value'].value);
nicholas@755: 			var pixelPosition = (position*width)+marginsize;
nicholas@755: 			scaleObj.style.left = Math.floor((pixelPosition-($(scaleObj).width()/2)))+'px';
nicholas@755: 		}
nicholas@755: 	};
nicholas@755: }
nicholas@755: 
nicholas@755: function sliderObject(audioObject,interfaceObjects) {
nicholas@755: 	// Create a new slider object;
nicholas@755: 	this.parent = audioObject;
nicholas@755: 	this.trackSliderObjects = [];
nicholas@755: 	for (var i=0; i<interfaceContext.interfaceSliders.length; i++)
nicholas@755: 	{
nicholas@755: 		var trackObj = interfaceContext.interfaceSliders[i].createSliderObject(audioObject);
nicholas@755: 		this.trackSliderObjects.push(trackObj);
nicholas@755: 	}
nicholas@755: 
nicholas@755: 	// Onclick, switch playback to that track
nicholas@755: 	
nicholas@755: 	this.enable = function() {
nicholas@755: 		if (this.parent.state == 1)
nicholas@755: 		{
nicholas@755: 			$(this.trackSliderObjects).each(function(i,trackObj){
nicholas@755: 				$(trackObj).removeClass('track-slider-disabled');
nicholas@755: 			});
nicholas@755: 		}
nicholas@755: 	};
nicholas@760: 	this.updateLoading = function(progress)
nicholas@760: 	{
nicholas@760: 		if (progress != 100)
nicholas@760: 		{
nicholas@760: 			progress = String(progress);
nicholas@760: 			progress = progress.split('.')[0];
nicholas@760: 			this.trackSliderObjects[0].children[0].textContent = progress+'%';
nicholas@760: 		} else {
nicholas@760: 			this.trackSliderObjects[0].children[0].textContent = this.parent.id;
nicholas@760: 		}
nicholas@760: 	};
nicholas@755: 	this.exportXMLDOM = function(audioObject) {
nicholas@755: 		// Called by the audioObject holding this element. Must be present
nicholas@755: 		var obj = [];
nicholas@755: 		$(this.trackSliderObjects).each(function(i,trackObj){
nicholas@755: 			var node = document.createElement('value');
nicholas@755: 			node.setAttribute("inteerface-name",trackObj.getAttribute("interface-name"));
nicholas@755: 			node.textContent = convSliderPosToRate(trackObj);
nicholas@755: 			obj.push(node);
nicholas@755: 		});
nicholas@755: 		
nicholas@755: 		return obj;
nicholas@755: 	};
nicholas@755: 	this.getValue = function() {
nicholas@755: 		return convSliderPosToRate(this.trackSliderObj);
nicholas@755: 	};
nicholas@755: }
nicholas@755: 
nicholas@755: function buttonSubmitClick()
nicholas@755: {
nicholas@755: 	var checks = testState.currentStateMap[testState.currentIndex].interfaces[0].options;
nicholas@755: 	var canContinue = true;
nicholas@755: 	
nicholas@755: 	// Check that the anchor and reference objects are correctly placed
nicholas@755: 	if (interfaceContext.checkHiddenAnchor() == false) {return;}
nicholas@755: 	if (interfaceContext.checkHiddenReference() == false) {return;}
nicholas@755: 	
nicholas@755: 	for (var i=0; i<checks.length; i++) {
nicholas@755: 		if (checks[i].type == 'check')
nicholas@755: 		{
nicholas@755: 			switch(checks[i].check) {
nicholas@755: 			case 'fragmentPlayed':
nicholas@755: 				// Check if all fragments have been played
nicholas@755: 				var checkState = interfaceContext.checkAllPlayed();
nicholas@755: 				if (checkState == false) {canContinue = false;}
nicholas@755: 				break;
nicholas@755: 			case  'fragmentFullPlayback':
nicholas@755: 				// Check all fragments have been played to their full length
nicholas@755: 				var checkState = interfaceContext.checkFragmentsFullyPlayed();
nicholas@755: 				if (checkState == false) {canContinue = false;}
nicholas@755: 				break;
nicholas@755: 			case 'fragmentMoved':
nicholas@755: 				// Check all fragment sliders have been moved.
nicholas@755: 				var checkState = interfaceContext.checkAllMoved();
nicholas@755: 				if (checkState == false) {canContinue = false;}
nicholas@755: 				break;
nicholas@755: 			case 'fragmentComments':
nicholas@755: 				// Check all fragment sliders have been moved.
nicholas@755: 				var checkState = interfaceContext.checkAllCommented();
nicholas@755: 				if (checkState == false) {canContinue = false;}
nicholas@755: 				break;
nicholas@755: 			case 'scalerange':
nicholas@755: 				// Check the scale is used to its full width outlined by the node
nicholas@755: 				var checkState = interfaceContext.checkScaleRange();
nicholas@755: 				if (checkState == false) {canContinue = false;}
nicholas@755: 				break;
nicholas@755: 			}
nicholas@755: 
nicholas@755: 		}
nicholas@755: 		if (!canContinue) {break;}
nicholas@755: 	}
nicholas@755:    
nicholas@755:     if (canContinue) {
nicholas@755: 	    if (audioEngineContext.status == 1) {
nicholas@755: 	        var playback = document.getElementById('playback-button');
nicholas@755: 	        playback.click();
nicholas@755: 	    // This function is called when the submit button is clicked. Will check for any further tests to perform, or any post-test options
nicholas@755: 	    } else
nicholas@755: 	    {
nicholas@755: 	        if (audioEngineContext.timer.testStarted == false)
nicholas@755: 	        {
nicholas@755: 	            alert('You have not started the test! Please click a fragment to begin the test!');
nicholas@755: 	            return;
nicholas@755: 	        }
nicholas@755: 	    }
nicholas@755: 	    testState.advanceState();
nicholas@755:     } 
nicholas@755: }
nicholas@755: 
nicholas@755: function convSliderPosToRate(trackSlider)
nicholas@755: {
nicholas@755: 	var slider = trackSlider.parentElement;
nicholas@755: 	var w = slider.style.width;
nicholas@755: 	var marginsize = Number(slider.attributes['marginsize'].value);
nicholas@755: 	var maxPix = w.substr(0,w.length-2);
nicholas@755: 	var pix = trackSlider.style.left;
nicholas@755: 	pix = pix.substr(0,pix.length-2);
nicholas@755: 	var rate = (pix-marginsize)/maxPix;
nicholas@755: 	return rate;
nicholas@755: }
nicholas@755: 
nicholas@755: function resizeWindow(event){
nicholas@755: 	// Function called when the window has been resized.
nicholas@755: 	// MANDATORY FUNCTION
nicholas@755: 	
nicholas@755: 	// Resize the slider objects
nicholas@755: 	for (var i=0; i<interfaceContext.interfaceSliders.length; i++)
nicholas@755: 	{
nicholas@755: 		interfaceContext.interfaceSliders[i].resize(event);
nicholas@755: 	}
nicholas@755: }
nicholas@755: 
nicholas@755: function pageXMLSave(store, testXML)
nicholas@755: {
nicholas@755: 	// MANDATORY
nicholas@755: 	// Saves a specific test page
nicholas@755: 	// You can use this space to add any extra nodes to your XML <audioHolder> saves
nicholas@755: 	// Get the current <audioHolder> information in store (remember to appendChild your data to it)
nicholas@755: 	if (interfaceContext.interfaceSliders.length == 1)
nicholas@755: 	{
nicholas@755: 		// If there is only one axis, there only needs to be one metric return
nicholas@755: 		return;
nicholas@755: 	}
nicholas@755: 	var audioelements = store.getElementsByTagName("audioelement");
nicholas@755: 	for (var i=0; i<audioelements.length; i++)
nicholas@755: 	{
nicholas@755: 		// Have to append the metric specific nodes
nicholas@755: 		if (testXML.outsideReference == null || testXML.outsideReference.id != audioelements[i].id)
nicholas@755: 		{
nicholas@755: 			var inject = audioelements[i].getElementsByTagName("metric");
nicholas@755: 			if (inject.length == 0)
nicholas@755: 			{
nicholas@755: 				inject = document.createElement("metric");
nicholas@755: 			} else {
nicholas@755: 				inject = inject[0];
nicholas@755: 			}
nicholas@755: 			for (var k=0; k<interfaceContext.interfaceSliders.length; k++)
nicholas@755: 			{
nicholas@755: 				var node = interfaceContext.interfaceSliders[k].metrics[i].exportXMLDOM();
nicholas@755: 				var mrnodes = node.getElementsByTagName("metricresult");
nicholas@755: 				for (var j=0; j<mrnodes.length; j++)
nicholas@755: 				{
nicholas@755: 					var name = mrnodes[j].getAttribute("name");
nicholas@755: 					if (name == "elementTracker" || name == "elementTrackerFull" || name == "elementInitialPosition" || name == "elementFlagMoved")
nicholas@755: 					{
nicholas@755: 						mrnodes[j].setAttribute("interface-name",interfaceContext.interfaceSliders[k].name);
nicholas@755: 						mrnodes[j].setAttribute("interface-id",k);
nicholas@755: 						inject.appendChild(mrnodes[j]);
nicholas@755: 					}
nicholas@755: 				}
nicholas@755: 			}
nicholas@755: 		}
nicholas@755: 	}
nicholas@755: }