manuelnelson · June 17, 2012 18:15
diff --git a/gistfile1.js b/gistfile1.js
 $('#saveSample').click(function () {
 	$('#loading').show();
 	try {
 		var buffer = getFinalSampleBuffer();
 	}
 	catch (ex) {
 		Mashup.ShowMessage(ex);
 		return false;
 	}

 	var request = new XMLHttpRequest();
 	request.open("post", "/postUrlHere/", true);
 	request.onreadystatechange = function () {
 		if (request.readyState == 4 && request.status == 200) {
 			callback(request.responseText);
 		} else if (request.readyState == 4 && request.status != 200) {
 			Mashup.ShowMessage("No Way Jose", "There was a problem saving the sample");
 		}
 	};
 	// Send the file
 	request.send(buffer);
 });        

 //For this gist this function is cut and paste from a larger jquery widget I created, hence the this' that 
 //don't quite make sense.  I try to explain the properties as I go
 function getFinalSampleBuffer() {
 	var startByte = this.playWaveformStart * 4; //start of user selected sample in bytes
 	var endByte = this.playWaveformEnd * 4; //end of user selected sample in bytes
 	
 	//https://stackoverflow.com/questions/6170421/blobbuilder-ruins-binary-data
 	var uint8Array = new Uint8Array(this.buffer.getChannelData(0).buffer); //Grabs the Float32Array buffer
 	var byteLength = endByte - startByte;
 	var sampleByteArray = new Uint8Array(byteLength);
 	
 	for(var i = startByte; i<endByte;i++) {
 		sampleByteArray[i-startByte] = uint8Array[i]; 
 	}            
 	var BlobBuilderObj = new (window.BlobBuilder || window.WebKitBlobBuilder)();            
 	BlobBuilderObj.append(sampleByteArray.buffer);
 	var blob = BlobBuilderObj.getBlob('text/plain');
 	return blob;
 }
	$('#saveSample').click(function () {
	$('#loading').show();
	try {
	var buffer = getFinalSampleBuffer();
	}
	catch (ex) {
	Mashup.ShowMessage(ex);
	return false;
	}

	var request = new XMLHttpRequest();
	request.open("post", "/postUrlHere/", true);
	request.onreadystatechange = function () {
	if (request.readyState == 4 && request.status == 200) {
	callback(request.responseText);
	} else if (request.readyState == 4 && request.status != 200) {
	Mashup.ShowMessage("No Way Jose", "There was a problem saving the sample");
	}
	};
	// Send the file
	request.send(buffer);
	});

	//For this gist this function is cut and paste from a larger jquery widget I created, hence the this' that
	//don't quite make sense. I try to explain the properties as I go
	function getFinalSampleBuffer() {
	var startByte = this.playWaveformStart * 4; //start of user selected sample in bytes
	var endByte = this.playWaveformEnd * 4; //end of user selected sample in bytes

	//https://stackoverflow.com/questions/6170421/blobbuilder-ruins-binary-data
	var uint8Array = new Uint8Array(this.buffer.getChannelData(0).buffer); //Grabs the Float32Array buffer
	var byteLength = endByte - startByte;
	var sampleByteArray = new Uint8Array(byteLength);

	for(var i = startByte; i<endByte;i++) {
	sampleByteArray[i-startByte] = uint8Array[i];
	}
	var BlobBuilderObj = new (window.BlobBuilder \|\| window.WebKitBlobBuilder)();
	BlobBuilderObj.append(sampleByteArray.buffer);
	var blob = BlobBuilderObj.getBlob('text/plain');
	return blob;
	}