nicholas@2: /**
nicholas@2:  *  ape.js
nicholas@2:  *  Create the APE interface
nicholas@2:  */
nicholas@2: 
nicholas@2: // Once this is loaded and parsed, begin execution
nicholas@2: loadInterface(projectXML);
nicholas@2: 
nicholas@2: function loadInterface(xmlDoc) {
nicholas@2: 	
nicholas@2: 	var width = window.innerWidth;
nicholas@2: 	var height = window.innerHeight;
nicholas@2: 	
nicholas@2: 	// Set background to grey #ddd
nicholas@2: 	document.getElementsByTagName('body')[0].style.backgroundColor = '#ddd';
nicholas@2: 	
nicholas@2: 	// The injection point into the HTML page
nicholas@2: 	var insertPoint = document.getElementById("topLevelBody");
nicholas@2: 	
nicholas@2: 	// Decode parts of the xmlDoc that are needed
nicholas@2: 	// xmlDoc MUST already be parsed by jQuery!
nicholas@2: 	var xmlSetup = xmlDoc.find('setup');
nicholas@2: 	// Should put in an error function here incase of malprocessed or malformed XML
nicholas@2: 	
nicholas@2: 	// Create the top div for the Title element
nicholas@2: 	var titleAttr = xmlSetup[0].attributes['title'];
nicholas@2: 	var title = document.createElement('div');
nicholas@2: 	title.className = "title";
nicholas@2: 	title.align = "center";
nicholas@2: 	var titleSpan = document.createElement('span');
nicholas@2: 	
nicholas@2: 	// Set title to that defined in XML, else set to default
nicholas@2: 	if (titleAttr != undefined) {
nicholas@2: 		titleSpan.innerText = titleAttr.value;
nicholas@2: 	} else {
nicholas@2: 		titleSpan.innerText =  'APE Tool';
nicholas@2: 	}
nicholas@2: 	// Insert the titleSpan element into the title div element.
nicholas@2: 	title.appendChild(titleSpan);
nicholas@2: 	
nicholas@2: 	// Now create the slider and HTML5 canvas boxes
nicholas@2: 	
nicholas@2: 	var sliderBox = document.createElement('div');
nicholas@2: 	sliderBox.className = 'sliderCanvasDiv';
nicholas@2: 	sliderBox.id = 'sliderCanvasHolder'; // create an id so we can easily link to it later
nicholas@2: 	sliderBox.align = 'center';
nicholas@2: 	
nicholas@5: 	var canvas = document.createElement('div');
nicholas@2: 	canvas.id = 'slider';
nicholas@5: 	canvas.style.width = width - 100 +"px";
nicholas@5: 	canvas.style.height = 150 + "px";
nicholas@5: 	canvas.style.marginBottom = "25px"
nicholas@2: 	canvas.style.backgroundColor = '#eee';
nicholas@5: 	canvas.align = "left";
nicholas@2: 	sliderBox.appendChild(canvas);
nicholas@5: 
nicholas@3: 	var feedbackHolder = document.createElement('div');
nicholas@3: 	
nicholas@3: 	var tracksXML = xmlDoc.find('track');
nicholas@3: 	tracksXML.each(function(index,element){
nicholas@3: 		var trackObj = document.createElement('div');
nicholas@3: 		var trackTitle = document.createElement('span');
nicholas@3: 		trackTitle.innerText = 'Comment on track '+index;
nicholas@3: 		var trackComment = document.createElement('textarea');
nicholas@3: 		trackComment.rows = '4';
nicholas@3: 		trackComment.cols = '100';
nicholas@3: 		trackComment.name = 'trackComment'+index;
nicholas@3: 		trackComment.className = 'trackComment';
nicholas@3: 		feedbackHolder.appendChild(trackTitle);
nicholas@3: 		feedbackHolder.appendChild(trackComment);
nicholas@3: 		feedbackHolder.appendChild(trackObj);
nicholas@5: 		// Create a slider per track
nicholas@5: 		
nicholas@5: 		var trackSliderObj = document.createElement('div');
nicholas@5: 		trackSliderObj.className = 'track-slider';
nicholas@5: 		trackSliderObj.id = 'track-slider-'+index;
nicholas@5: 		trackSliderObj.style.position = 'absolute';
nicholas@5: 		// Distribute it randomnly
nicholas@5: 		var w = window.innerWidth - 100;
nicholas@5: 		w = Math.random()*w;
nicholas@5: 		trackSliderObj.style.left = Math.floor(w)+50+'px';
nicholas@5: 		trackSliderObj.style.height = "150px";
nicholas@5: 		trackSliderObj.style.width = "10px";
nicholas@5: 		trackSliderObj.style.backgroundColor = 'rgb(100,200,100)';
nicholas@5: 		trackSliderObj.innerHTML = '<span>'+index+'</span>';
nicholas@5: 		trackSliderObj.style.float = "left";
nicholas@5: 		trackSliderObj.draggable = true;
nicholas@5: 		trackSliderObj.ondragend = dragEnd;
nicholas@5: 		canvas.appendChild(trackSliderObj);
nicholas@3: 	})
nicholas@3: 	
nicholas@2: 	
nicholas@2: 	// Inject into HTML
nicholas@2: 	insertPoint.innerHTML = null; // Clear the current schema
nicholas@2: 	insertPoint.appendChild(title); // Insert the title
nicholas@2: 	insertPoint.appendChild(sliderBox);
nicholas@3: 	insertPoint.appendChild(feedbackHolder);
nicholas@2: }
nicholas@5: 
nicholas@5: function dragEnd(ev) {
nicholas@5: 	// Function call when a div has been dropped
nicholas@5: 	if (ev.x >= 50 && ev.x < window.innerWidth-50) {
nicholas@5: 		this.style.left = (ev.x)+'px';
nicholas@5: 	} else {
nicholas@5: 		if (ev.x<50) {
nicholas@5: 			this.style.left = '50px';
nicholas@5: 		} else {
nicholas@5: 			this.style.left = window.innerWidth-50 + 'px';
nicholas@5: 		}
nicholas@5: 	}
nicholas@5: }