n@816: /** n@816: * ape.js n@816: * Create the APE interface n@816: */ n@816: n@816: n@816: // Once this is loaded and parsed, begin execution n@816: loadInterface(); n@816: n@816: function loadInterface() { n@816: n@816: // Get the dimensions of the screen available to the page n@816: var width = window.innerWidth; n@816: var height = window.innerHeight; n@816: n@816: // The injection point into the HTML page n@816: interfaceContext.insertPoint = document.getElementById("topLevelBody"); n@816: var testContent = document.createElement('div'); n@816: n@816: testContent.id = 'testContent'; n@816: n@816: n@816: // Create APE specific metric functions n@816: audioEngineContext.metric.initialiseTest = function() n@816: { n@816: }; n@816: n@816: audioEngineContext.metric.sliderMoved = function() n@816: { n@816: var id = this.data; n@816: this.data = -1; n@816: var position = convSliderPosToRate(id); n@816: console.log('slider ' + id + ': '+ position + ' (' + time + ')'); // DEBUG/SAFETY: show position and slider id n@816: if (audioEngineContext.timer.testStarted) n@816: { n@816: audioEngineContext.audioObjects[id].metric.moved(time,position); n@816: } n@816: }; n@816: n@816: audioEngineContext.metric.sliderPlayed = function(id) n@816: { n@816: var time = audioEngineContext.timer.getTestTime(); n@816: if (audioEngineContext.timer.testStarted) n@816: { n@816: if (this.lastClicked >= 0) n@816: { n@816: audioEngineContext.audioObjects[this.lastClicked].metric.listening(time); n@816: } n@816: this.lastClicked = id; n@816: audioEngineContext.audioObjects[id].metric.listening(time); n@816: } n@816: console.log('slider ' + id + ' played (' + time + ')'); // DEBUG/SAFETY: show played slider id n@816: }; n@816: n@816: // Bindings for interfaceContext n@816: Interface.prototype.checkAllPlayed = function() n@816: { n@816: hasBeenPlayed = audioEngineContext.checkAllPlayed(); n@816: if (hasBeenPlayed.length > 0) // if a fragment has not been played yet n@816: { n@816: str = ""; n@816: if (hasBeenPlayed.length > 1) { n@816: for (var i=0; i 1) { n@816: var str = ""; n@816: for (var i=0; i 1) { n@816: var str = ""; n@816: for (var i=0; i maxRanking) { maxRanking = ranking;} n@816: } n@816: } n@816: if (minRanking > minScale || maxRanking < maxScale) { n@816: alert('Please use the full width of the scale'); n@816: return false; n@816: } else { n@816: return true; n@816: } n@816: }; n@816: n@816: // Bindings for audioObjects n@816: n@816: // Create the top div for the Title element n@816: var titleAttr = specification.title; n@816: var title = document.createElement('div'); n@816: title.className = "title"; n@816: title.align = "center"; n@816: var titleSpan = document.createElement('span'); n@816: n@816: // Set title to that defined in XML, else set to default n@816: if (titleAttr != undefined) { n@816: titleSpan.textContent = titleAttr; n@816: } else { n@816: titleSpan.textContent = 'Listening test'; n@816: } n@816: // Insert the titleSpan element into the title div element. n@816: title.appendChild(titleSpan); n@816: n@816: var pagetitle = document.createElement('div'); n@816: pagetitle.className = "pageTitle"; n@816: pagetitle.align = "center"; n@816: var titleSpan = document.createElement('span'); n@816: titleSpan.id = "pageTitle"; n@816: pagetitle.appendChild(titleSpan); n@816: n@816: // Create Interface buttons! n@816: var interfaceButtons = document.createElement('div'); n@816: interfaceButtons.id = 'interface-buttons'; n@816: n@816: // Create playback start/stop points n@816: var playback = document.createElement("button"); n@816: playback.innerHTML = 'Stop'; n@816: playback.id = 'playback-button'; n@816: // onclick function. Check if it is playing or not, call the correct function in the n@816: // audioEngine, change the button text to reflect the next state. n@816: playback.onclick = function() { n@816: if (audioEngineContext.status == 1) { n@816: audioEngineContext.stop(); n@816: this.innerHTML = 'Stop'; n@816: var time = audioEngineContext.timer.getTestTime(); n@816: console.log('Stopped at ' + time); // DEBUG/SAFETY n@816: } n@816: }; n@816: // Create Submit (save) button n@816: var submit = document.createElement("button"); n@816: submit.innerHTML = 'Submit'; n@816: submit.onclick = buttonSubmitClick; n@816: submit.id = 'submit-button'; n@816: // Append the interface buttons into the interfaceButtons object. n@816: interfaceButtons.appendChild(playback); n@816: interfaceButtons.appendChild(submit); n@816: n@816: // Now create the slider and HTML5 canvas boxes n@816: n@816: // Create the div box to center align n@816: var sliderBox = document.createElement('div'); n@816: sliderBox.className = 'sliderCanvasDiv'; n@816: sliderBox.id = 'sliderCanvasHolder'; n@816: n@816: // Create the slider box to hold the slider elements n@816: var canvas = document.createElement('div'); n@816: canvas.id = 'slider'; n@816: canvas.align = "left"; n@816: canvas.addEventListener('dragover',function(event){ n@816: event.preventDefault(); n@816: event.dataTransfer.effectAllowed = 'none'; n@816: event.dataTransfer.dropEffect = 'copy'; n@816: return false; n@816: },false); n@816: var sliderMargin = document.createAttribute('marginsize'); n@816: sliderMargin.nodeValue = 42; // Set default margins to 42px either side n@816: // Must have a known EXACT width, as this is used later to determine the ratings n@816: var w = (Number(sliderMargin.nodeValue)+8)*2; n@816: canvas.style.width = width - w +"px"; n@816: canvas.style.marginLeft = sliderMargin.nodeValue +'px'; n@816: canvas.setAttributeNode(sliderMargin); n@816: sliderBox.appendChild(canvas); n@816: n@816: // Create the div to hold any scale objects n@816: var scale = document.createElement('div'); n@816: scale.className = 'sliderScale'; n@816: scale.id = 'sliderScaleHolder'; n@816: scale.align = 'left'; n@816: sliderBox.appendChild(scale); n@816: n@816: // Global parent for the comment boxes on the page n@816: var feedbackHolder = document.createElement('div'); n@816: feedbackHolder.id = 'feedbackHolder'; n@816: n@816: testContent.style.zIndex = 1; n@816: interfaceContext.insertPoint.innerHTML = null; // Clear the current schema n@816: n@816: // Inject into HTML n@816: testContent.appendChild(title); // Insert the title n@816: testContent.appendChild(pagetitle); n@816: testContent.appendChild(interfaceButtons); n@816: testContent.appendChild(sliderBox); n@816: testContent.appendChild(feedbackHolder); n@816: interfaceContext.insertPoint.appendChild(testContent); n@816: n@816: // Load the full interface n@816: testState.initialise(); n@816: testState.advanceState(); n@816: n@816: } n@816: n@816: function loadTest(audioHolderObject) n@816: { n@816: n@816: // Reset audioEngineContext.Metric globals for new test n@816: audioEngineContext.newTestPage(); n@816: n@816: var id = audioHolderObject.id; n@816: n@816: var feedbackHolder = document.getElementById('feedbackHolder'); n@816: var canvas = document.getElementById('slider'); n@816: feedbackHolder.innerHTML = null; n@816: canvas.innerHTML = null; n@816: n@816: var interfaceObj = audioHolderObject.interfaces; n@816: for (var k=0; k'; n@816: var inject = document.getElementById('interface-buttons'); n@816: inject.appendChild(pagecountHolder); n@816: } n@816: } n@816: } n@816: // Setup question title n@816: n@816: var commentBoxPrefix = "Comment on track"; n@816: if (interfaceObj.length != 0) { n@816: interfaceObj = interfaceObj[0]; n@816: var titleNode = interfaceObj.title; n@816: if (titleNode != undefined) n@816: { n@816: document.getElementById('pageTitle').textContent = titleNode; n@816: } n@816: var positionScale = canvas.style.width.substr(0,canvas.style.width.length-2); n@816: var offset = Number(document.getElementById('slider').attributes['marginsize'].value); n@816: var scale = document.getElementById('sliderScaleHolder'); n@816: scale.innerHTML = null; n@816: $(interfaceObj.scale).each(function(index,scaleObj){ n@816: var value = document.createAttribute('value'); n@816: var position = Number(scaleObj[0])*0.01; n@816: value.nodeValue = position; n@816: var pixelPosition = (position*positionScale)+offset; n@816: var scaleDOM = document.createElement('span'); n@816: scaleDOM.textContent = scaleObj[1]; n@816: scale.appendChild(scaleDOM); n@816: scaleDOM.style.left = Math.floor((pixelPosition-($(scaleDOM).width()/2)))+'px'; n@816: scaleDOM.setAttributeNode(value); n@816: }); n@816: n@816: if (interfaceObj.commentBoxPrefix != undefined) { n@816: commentBoxPrefix = interfaceObj.commentBoxPrefix; n@816: } n@816: } n@816: n@816: /// CHECK FOR SAMPLE RATE COMPATIBILITY n@816: if (audioHolderObject.sampleRate != undefined) { n@816: if (Number(audioHolderObject.sampleRate) != audioContext.sampleRate) { n@816: var errStr = 'Sample rates do not match! Requested '+Number(audioHolderObject.sampleRate)+', got '+audioContext.sampleRate+'. Please set the sample rate to match before completing this test.'; n@816: alert(errStr); n@816: return; n@816: } n@816: } n@816: n@816: var commentShow = audioHolderObject.elementComments; n@816: n@816: var loopPlayback = audioHolderObject.loop; n@816: n@816: audioEngineContext.loopPlayback = loopPlayback; n@816: // Create AudioEngine bindings for playback n@816: audioEngineContext.selectedTrack = function(id) { n@816: console.log('Deprecated'); n@816: }; n@816: n@816: currentTestHolder = document.createElement('audioHolder'); n@816: currentTestHolder.id = audioHolderObject.id; n@816: currentTestHolder.repeatCount = audioHolderObject.repeatCount; n@816: n@816: // Delete any previous audioObjects associated with the audioEngine n@816: audioEngineContext.audioObjects = []; n@816: interfaceContext.deleteCommentBoxes(); n@816: interfaceContext.deleteCommentQuestions(); n@816: n@816: // Find all the audioElements from the audioHolder n@816: $(audioHolderObject.audioElements).each(function(index,element){ n@816: // Find URL of track n@816: // In this jQuery loop, variable 'this' holds the current audioElement. n@816: n@816: // Now load each audio sample. First create the new track by passing the full URL n@816: var trackURL = audioHolderObject.hostURL + element.url; n@816: var audioObject = audioEngineContext.newTrack(element); n@816: n@816: var node = interfaceContext.createCommentBox(audioObject); n@816: n@816: // Create a slider per track n@816: audioObject.interfaceDOM = new sliderObject(audioObject); n@816: n@816: // Distribute it randomnly n@816: var w = window.innerWidth - (offset+8)*2; n@816: w = Math.random()*w; n@816: w = Math.floor(w+(offset+8)); n@816: audioObject.interfaceDOM.trackSliderObj.style.left = w+'px'; n@816: n@816: canvas.appendChild(audioObject.interfaceDOM.trackSliderObj); n@816: audioObject.metric.initialised(convSliderPosToRate(audioObject.interfaceDOM.trackSliderObj)); n@816: n@816: }); n@816: if (commentShow) { n@816: interfaceContext.showCommentBoxes(feedbackHolder,true); n@816: } n@816: n@816: $(audioHolderObject.commentQuestions).each(function(index,element) { n@816: var node = interfaceContext.createCommentQuestion(element); n@816: feedbackHolder.appendChild(node.holder); n@816: }); n@816: n@816: // Construct outside reference; n@816: if (audioHolderObject.outsideReference != null) { n@816: var outsideReferenceHolder = document.createElement('div'); n@816: outsideReferenceHolder.id = 'outside-reference'; n@816: outsideReferenceHolderspan = document.createElement('span'); n@816: outsideReferenceHolderspan.textContent = 'Reference'; n@816: outsideReferenceHolder.appendChild(outsideReferenceHolderspan); n@816: n@816: var audioObject = audioEngineContext.newTrack(audioHolderObject.outsideReference); n@816: n@816: outsideReferenceHolder.onclick = function(event) n@816: { n@816: audioEngineContext.play(audioEngineContext.audioObjects.length-1); n@816: $('.track-slider').removeClass('track-slider-playing'); n@816: $('.comment-div').removeClass('comment-box-playing'); n@816: if (event.currentTarget.nodeName == 'DIV') { n@816: $(event.currentTarget).addClass('track-slider-playing'); n@816: } else { n@816: $(event.currentTarget.parentElement).addClass('track-slider-playing'); n@816: } n@816: }; n@816: n@816: document.getElementById('interface-buttons').appendChild(outsideReferenceHolder); n@816: } n@816: n@816: n@816: //testWaitIndicator(); n@816: } n@816: n@816: function sliderObject(audioObject) { n@816: // Create a new slider object; n@816: this.parent = audioObject; n@816: this.trackSliderObj = document.createElement('div'); n@816: this.trackSliderObj.className = 'track-slider track-slider-disabled'; n@816: this.trackSliderObj.id = 'track-slider-'+audioObject.id; n@816: n@816: this.trackSliderObj.setAttribute('trackIndex',audioObject.id); n@816: this.trackSliderObj.innerHTML = ''+audioObject.id+''; n@816: this.trackSliderObj.draggable = true; n@816: this.trackSliderObj.ondragend = dragEnd; n@816: n@816: this.trackSliderObj.ondragstart = function(event){ n@816: event.dataTransfer.setData('Text',null); n@816: }; n@816: n@816: this.trackSliderObj.ondrop = function(event) n@816: { n@816: if(event.stopPropagation) {event.stopPropagation();} n@816: return false; n@816: }; n@816: n@816: // Onclick, switch playback to that track n@816: this.trackSliderObj.onclick = function(event) { n@816: // Cannot continue to issue play command until audioObjects reported as ready! n@816: // Get the track ID from the object ID n@816: var element; n@816: if (event.currentTarget.nodeName == "SPAN") { n@816: element = event.currentTarget.parentNode; n@816: } else { n@816: element = event.currentTarget; n@816: } n@816: var id = Number(element.attributes['trackIndex'].value); n@816: //audioEngineContext.metric.sliderPlayed(id); n@816: audioEngineContext.play(id); n@816: // Currently playing track red, rest green n@816: n@816: //document.getElementById('track-slider-'+index).style.backgroundColor = "#FF0000"; n@816: $('.track-slider').removeClass('track-slider-playing'); n@816: $(element).addClass('track-slider-playing'); n@816: $('.comment-div').removeClass('comment-box-playing'); n@816: $('#comment-div-'+id).addClass('comment-box-playing'); n@816: var outsideReference = document.getElementById('outside-reference'); n@816: if (outsideReference != undefined) n@816: $(outsideReference).removeClass('track-slider-playing'); n@816: }; n@816: n@816: this.enable = function() { n@816: if (this.parent.state == 1) n@816: { n@816: $(this.trackSliderObj).removeClass('track-slider-disabled'); n@816: } n@816: }; n@816: n@816: this.exportXMLDOM = function(audioObject) { n@816: // Called by the audioObject holding this element. Must be present n@816: var node = document.createElement('value'); n@816: node.textContent = convSliderPosToRate(this.trackSliderObj); n@816: return node; n@816: }; n@816: this.getValue = function() { n@816: return convSliderPosToRate(this.trackSliderObj); n@816: }; n@816: } n@816: n@816: function dragEnd(ev) { n@816: // Function call when a div has been dropped n@816: var slider = document.getElementById('slider'); n@816: var marginSize = Number(slider.attributes['marginsize'].value); n@816: var w = slider.style.width; n@816: w = Number(w.substr(0,w.length-2)); n@816: var x = ev.screenX; n@816: n@816: x += Math.abs(window.screenX); n@816: x = x % window.outerWidth; n@816: n@816: if (x >= marginSize && x < w+marginSize) { n@816: this.style.left = (x)+'px'; n@816: } else { n@816: if (x