# HG changeset patch
# User Nicholas Jillings <n.g.r.jillings@se14.qmul.ac.uk>
# Date 1452520590 0
# Node ID c1c696ccd6f996d3e3e8ec8c709ad1665fb5e1b9
# Parent  0e5b580e2fb7748f3a30310cd37066cb16e6ace0
Added AB interface. WIP. Stash

diff -r 0e5b580e2fb7 -r c1c696ccd6f9 AB.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AB.css	Mon Jan 11 13:56:30 2016 +0000
@@ -0,0 +1,53 @@
+body {
+	/* Set the background colour (note US English spelling) to grey*/
+	background-color: #fff
+}
+
+div.pageTitle {
+	width: auto;
+	height: 20px;
+	margin-top: 20px;
+}
+
+div.pageTitle span{
+	font-size: 1.5em;
+}
+
+div.testHalt {
+	/* Specify any colouring during the test halt for pre/post questions */
+	background-color: rgba(0,0,0,0.5);
+	/* Don't mess with this bit */
+	z-index: 2;
+	width: 100%;
+	height: 100%;
+	position: absolute;
+	left: 0px;
+	top: 0px;
+}
+
+button {
+	/* Specify any button structure or style */
+	min-width: 20px;
+	background-color: #ddd
+}
+
+div.comparitor-holder {
+	width: 260px;
+	height: 300px;
+	border:  black 1px solid;
+	position: absolute;
+}
+
+div.comparitor-selector {
+	width: 250px;
+	height: 250px;
+	border: black 1px solid;
+	position: relative;
+}
+
+div.comparitor-button {
+	width: 250px;
+	height: 50px;
+	position: relative;
+	background-color: #FF0000;
+}
diff -r 0e5b580e2fb7 -r c1c696ccd6f9 AB.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AB.js	Mon Jan 11 13:56:30 2016 +0000
@@ -0,0 +1,270 @@
+// Once this is loaded and parsed, begin execution
+loadInterface();
+
+function loadInterface() {
+	// Get the dimensions of the screen available to the page
+	var width = window.innerWidth;
+	var height = window.innerHeight;
+	interfaceContext.insertPoint.innerHTML = null; // Clear the current schema
+	
+	// Custom Comparitor Object
+	Interface.prototype.comparitor = null;
+	
+	// The injection point into the HTML page
+	interfaceContext.insertPoint = document.getElementById("topLevelBody");
+	var testContent = document.createElement('div');
+	testContent.id = 'testContent';
+	
+	// Create the top div for the Title element
+	var titleAttr = specification.title;
+	var title = document.createElement('div');
+	title.className = "title";
+	title.align = "center";
+	var titleSpan = document.createElement('span');
+	
+	// Set title to that defined in XML, else set to default
+	if (titleAttr != undefined) {
+		titleSpan.textContent = titleAttr;
+	} else {
+		titleSpan.textContent =  'Listening test';
+	}
+	// Insert the titleSpan element into the title div element.
+	title.appendChild(titleSpan);
+	
+	var pagetitle = document.createElement('div');
+	pagetitle.className = "pageTitle";
+	pagetitle.align = "center";
+	var titleSpan = document.createElement('span');
+	titleSpan.id = "pageTitle";
+	pagetitle.appendChild(titleSpan);
+	
+	// Create Interface buttons!
+	var interfaceButtons = document.createElement('div');
+	interfaceButtons.id = 'interface-buttons';
+	interfaceButtons.style.height = '25px';
+	
+	// Create playback start/stop points
+	var playback = document.createElement("button");
+	playback.innerHTML = 'Stop';
+	playback.id = 'playback-button';
+	playback.style.float = 'left';
+	// onclick function. Check if it is playing or not, call the correct function in the
+	// audioEngine, change the button text to reflect the next state.
+	playback.onclick = function() {
+		if (audioEngineContext.status == 1) {
+			audioEngineContext.stop();
+			this.innerHTML = 'Stop';
+            var time = audioEngineContext.timer.getTestTime();
+            console.log('Stopped at ' + time); // DEBUG/SAFETY
+		}
+	};
+	// Append the interface buttons into the interfaceButtons object.
+	interfaceButtons.appendChild(playback);
+	
+	// Global parent for the comment boxes on the page
+	var feedbackHolder = document.createElement('div');
+	feedbackHolder.id = 'feedbackHolder';
+	
+	// Inject into HTML
+	testContent.appendChild(title); // Insert the title
+	testContent.appendChild(pagetitle);
+	testContent.appendChild(interfaceButtons);
+	testContent.appendChild(feedbackHolder);
+	interfaceContext.insertPoint.appendChild(testContent);
+
+	// Load the full interface
+	testState.initialise();
+	testState.advanceState();
+}
+
+function loadTest(audioHolderObject)
+{
+	var feedbackHolder = document.getElementById('feedbackHolder');
+	var interfaceObj = audioHolderObject.interfaces;
+	if (interfaceObj.length > 1)
+	{
+		console.log("WARNING - This interface only supports one <interface> node per page. Using first interface node");
+	}
+	interfaceObj = interfaceObj[0];
+	
+	if(interfaceObj.title != null)
+	{
+		document.getElementById("pageTitle").textContent = interfaceObj.title;
+	}
+	
+	// Populate the comparitor object
+	interfaceContext.comparitor = new Comparitor(audioHolderObject);
+}
+
+function Comparitor(audioHolderObject)
+{
+	this.pairs = [];
+	this.listened = [false, false];
+	this.selected = null;
+	this.index = 0;
+	this.feedbackHolder = document.getElementById('feedbackHolder');
+	this.injectA = document.createElement('div');
+	this.injectA.id = 'inject-A';
+	this.injectB = document.createElement('div');
+	this.injectB.id = 'inject-B';
+	this.submitButton = document.createElement('button');
+	this.progress = function()
+	{
+		if (this.index >= this.pairs.length)
+		{
+			buttonSubmitClick();
+			return;
+		}
+		this.listened = [false, false];
+		this.selected = null;
+		var pair = this.pairs[this.index];
+	};
+	
+	// First generate the Audio Objects for the Audio Engine
+	$(audioHolderObject.audioElements).each(function(index,element){
+		if (index == audioHolderObject.outsideReference || element.type == 'outside-reference')
+		{
+			console.log("WARNING - AB cannot have fixed reference");
+		}
+		var audioObject = audioEngineContext.newTrack(element);
+		audioObject.interfaceDOM = new comparitorElementObject(audioObject);
+	});
+	
+	// Now generate the pairings
+	this.pairs = [];
+	var num_elems = audioEngineContext.audioObjects.length;
+	for (var i=0; i<num_elems; i++)
+	{
+		for (var j=i+1; j<num_elems; j++)
+		{
+			var pair = {
+				A: audioEngineContext.audioObjects[i],
+				B: audioEngineContext.audioObjects[j]
+			};
+			this.pairs.push(pair);
+		}
+	}
+	this.feedbackHolder.innerHTML = null;
+	this.feedbackHolder.appendChild(this.injectA);
+	this.feedbackHolder.appendChild(this.injectB);
+	this.feedbackHolder.appendChild(this.submitButton);
+	
+	this.submitButton.id = 'submit';
+	this.submitButton.onclick = function()
+	{
+		// Check both A and B have been listened to
+		if (this.listened[0] == false || this.listened[1] == false)
+		{
+			console.log("Listen to both A and B before submitting");
+			alert("Listen to both A and B before submitting");
+			return;
+		}
+		if (this.selected == null)
+		{
+			console.log("Select either A or B before submitting");
+			alert("Select either A or B before submitting");
+			return;
+		}
+		this.pairs[this.index].A
+	};
+	return this;
+}
+
+function comparitorElementObject(audioObject)
+{
+	// The Interface Object for the comparitor
+	this.parent = audioObject;
+	this.holder = document.createElement('div');
+	this.play = document.createElement('button');
+	this.select = document.createElement('div');
+	
+	this.holder.className = "comparitor-holder";
+	this.holder.appendChild(this.select);
+	this.holder.appendChild(this.play);
+	this.holder.align = "center";
+	this.holder.setAttribute('trackIndex',audioObject.id);
+	
+	this.play.className = "comparitor-button";
+	this.play.textContent = "Listen";
+	
+	this.select.className = "comparitor-selector";
+}
+
+function resizeWindow(event)
+{
+	
+}
+
+function buttonSubmitClick() // TODO: Only when all songs have been played!
+{
+	var checks = [];
+	checks = checks.concat(testState.currentStateMap.interfaces[0].options);
+	checks = checks.concat(specification.interfaces.options);
+	var canContinue = true;
+	
+	// Check that the anchor and reference objects are correctly placed
+	if (interfaceContext.checkHiddenAnchor() == false) {return;}
+	if (interfaceContext.checkHiddenReference() == false) {return;}
+	
+	for (var i=0; i<checks.length; i++) {
+		if (checks[i].type == 'check')
+		{
+			switch(checks[i].name) {
+			case 'fragmentPlayed':
+				// Check if all fragments have been played
+				var checkState = interfaceContext.checkAllPlayed();
+				if (checkState == false) {canContinue = false;}
+				break;
+			case  'fragmentFullPlayback':
+				// Check all fragments have been played to their full length
+				var checkState = interfaceContext.checkAllPlayed();
+				if (checkState == false) {canContinue = false;}
+				console.log('NOTE: fragmentFullPlayback not currently implemented, performing check fragmentPlayed instead');
+				break;
+			case 'fragmentMoved':
+				// Check all fragment sliders have been moved.
+				var checkState = interfaceContext.checkAllMoved();
+				if (checkState == false) {canContinue = false;}
+				break;
+			case 'fragmentComments':
+				// Check all fragment sliders have been moved.
+				var checkState = interfaceContext.checkAllCommented();
+				if (checkState == false) {canContinue = false;}
+				break;
+			//case 'scalerange':
+				// Check the scale is used to its full width outlined by the node
+				//var checkState = interfaceContext.checkScaleRange();
+				//if (checkState == false) {canContinue = false;}
+			//	break;
+			default:
+				console.log("WARNING - Check option "+checks[i].check+" is not supported on this interface");
+				break;
+			}
+
+		}
+		if (!canContinue) {break;}
+	}
+	
+    if (canContinue) {
+	    if (audioEngineContext.status == 1) {
+	        var playback = document.getElementById('playback-button');
+	        playback.click();
+	    // This function is called when the submit button is clicked. Will check for any further tests to perform, or any post-test options
+	    } else
+	    {
+	        if (audioEngineContext.timer.testStarted == false)
+	        {
+	            alert('You have not started the test! Please press start to begin the test!');
+	            return;
+	        }
+	    }
+	    testState.advanceState();
+    } 
+}
+
+function pageXMLSave(store, testXML)
+{
+	// MANDATORY
+	// Saves a specific test page
+	// You can use this space to add any extra nodes to your XML saves
+}
\ No newline at end of file
diff -r 0e5b580e2fb7 -r c1c696ccd6f9 core.js
--- a/core.js	Mon Jan 11 11:29:12 2016 +0000
+++ b/core.js	Mon Jan 11 13:56:30 2016 +0000
@@ -130,7 +130,9 @@
 	// Detect the interface to use and load the relevant javascripts.
 	var interfaceJS = document.createElement('script');
 	interfaceJS.setAttribute("type","text/javascript");
-	if (specification.interface == 'APE') {
+	switch(specification.interface)
+	{
+		case "APE":
 		interfaceJS.setAttribute("src","ape.js");
 		
 		// APE comes with a css file
@@ -140,8 +142,9 @@
 		css.href = 'ape.css';
 		
 		document.getElementsByTagName("head")[0].appendChild(css);
-	} else if (specification.interface == "MUSHRA")
-	{
+		break;
+		
+		case "MUSHRA":
 		interfaceJS.setAttribute("src","mushra.js");
 		
 		// MUSHRA comes with a css file
@@ -151,6 +154,18 @@
 		css.href = 'mushra.css';
 		
 		document.getElementsByTagName("head")[0].appendChild(css);
+		break;
+		
+		case "AB":
+		interfaceJS.setAttribute("src","AB.js");
+		
+		// AB comes with a css file
+		var css = document.createElement('link');
+		css.rel = 'stylesheet';
+		css.type = 'text/css';
+		css.href = 'AB.css';
+		
+		document.getElementsByTagName("head")[0].appendChild(css);
 	}
 	document.getElementsByTagName("head")[0].appendChild(interfaceJS);