S3 SWF Upload Complex Example.html

<script type="text/javascript">
var queueBytesLoaded = 0;
var queueBytesTotal = 0;
var myQueue = null;

var queueChangeHandler = function(queue){
	// alert('Uploading Started');
	myQueue = queue;
	// console.log("COLLECTION CHANGE!");
	var list = document.getElementById('file_todo_list');
	// Clear out the old
	while (list.hasChildNodes()){list.removeChild(list.firstChild);}
	// Add the new
	for (i=0;i<queue.source.length;i++)
	{
		addFileToTodoList(queue.source[i].name, queue.source[i].size, i);
	}
};

var uploadingStartHandler = function(){
	queueBytesTotal = 0;
	queueBytesLoaded = 0;
	for (i=0;i<myQueue.source.length;i++)
	{
		queueBytesTotal += parseInt(myQueue.source[i].size);
	}
	document.getElementById('queue_size').innerHTML = readableBytes(queueBytesTotal);
};

var uploadingFinishHandler = function(){
	document.getElementById('overall').firstChild.style.width = '100%';
	document.getElementById('overall').firstChild.firstChild.innerHTML = '100%';
  alert('All files have been successfully uploaded');
};

var queueClearHandler = function(queue){
	document.getElementById('overall').firstChild.style.display = 'none';
	document.getElementById('overall').firstChild.style.width = '0%';
	document.getElementById('overall').firstChild.firstChild.innerHTML = '0%';
	var list = document.getElementById('file_done_list');
	while (list.hasChildNodes()){list.removeChild(list.firstChild);}
};

var addFileToDoneList = function(file_name, file_size){
	var list = document.getElementById('file_done_list');
	var li = document.createElement("li");
	li.innerHTML = 
		'<span class="progress"><span class="amount">100%</span></span>'+
		'<span class="file_name">'+file_name+'</span>'+
		'<span class="file_size">'+readableBytes(file_size)+'</span>';
	list.appendChild(li);
};

var addFileToTodoList = function(file_name, file_size, index){
	var list = document.getElementById('file_todo_list');
	var li = document.createElement("li");
	li.innerHTML = 
		'<span class="progress"><span class="amount">0%</span></span>'+
		'<span class="file_name">'+file_name+'</span>'+
		'<span class="file_size">'+readableBytes(file_size)+'</span>'+
		'<span class="delete" onclick="javascript:s3_swf_1_object.removeFileFromQueue('+index+');">Delete</span>';
	list.appendChild(li);
};

var progressHandler = function(progress_event){
	document.getElementById('file_todo_list').firstChild.children[3].style.display = 'none';
	var current_percentage = Math.floor((parseInt(progress_event.bytesLoaded)/parseInt(progress_event.bytesTotal))*100)+'%';
	document.getElementById('file_todo_list').firstChild.firstChild.style.display = 'block';
	document.getElementById('file_todo_list').firstChild.firstChild.style.width = current_percentage;
	document.getElementById('file_todo_list').firstChild.firstChild.firstChild.innerHTML = current_percentage;
	
	var overall_percentage = Math.floor(((queueBytesLoaded+parseInt(progress_event.bytesLoaded))/queueBytesTotal)*100)+'%';
	document.getElementById('overall').firstChild.style.display = 'block';
	document.getElementById('overall').firstChild.style.width = overall_percentage;
	document.getElementById('overall').firstChild.firstChild.innerHTML = overall_percentage;
};

var uploadCompleteHandler = function(upload_options,event){
	queueBytesLoaded += parseInt(upload_options.FileSize);
	addFileToDoneList(upload_options.FileName,upload_options.FileSize);
};

var readableBytes = function(bytes) {
	var s = ['bytes', 'kb', 'MB', 'GB', 'TB', 'PB'];
	var e = Math.floor(Math.log(bytes)/Math.log(1024));
	return (bytes/Math.pow(1024, Math.floor(e))).toFixed(2)+" "+s[e];
}
</script>

<div id="wrapper">
	<h1>Uploader</h1>
	<div id="file_lists">
		<ul id="file_done_list" class="file_list"></ul>
		<ul id="file_todo_list" class="file_list"></ul>
	</div>

	<div id="queue_size"></div>

	<div id="overall"><span class="progress"><span class="amount">10%</span></span><span id="status"></span></div>

	<%=raw s3_swf_upload_tag(
		:fileTypes => '*.jpg;*.gif;*.png;',
	  :fileTypeDescs => 'Image files.',
		:onFileNotInQueue => "alert('File not found in the queue');",
		:onFileSizeLimitReached => "alert('That file is too big');",
		:onQueueChange => "queueChangeHandler(queue);",
		:onQueueSizeLimitReached => "alert('There are too many files in the queue');",
		:onQueueEmpty => "alert('You gotta have at least one file in there');",
		:onQueueClear => "queueClearHandler(queue);",
		:onUploadingStart => "uploadingStartHandler();",
		:onUploadingFinish => "uploadingFinishHandler();",
		:onSignatureIOError => "alert('There was an error');",
		:onSignatureXMLError => "alert('There was an error');",
		:onSignatureSecurityError => "alert('There was an error');",
		:onUploadError => "alert('There was an error');",
		:onUploadIOError => "alert('There was an error');",
		:onUploadSecurityError => "alert('There was an error');",
		:onUploadProgress => "progressHandler(progress_event);",
		:onUploadComplete => "uploadCompleteHandler(upload_options,event);"
		
	) %>

	<div>
		<input type="submit" id="StartButton" value="Start Uploading" onclick="s3_swf_1_object.startUploading();" />
		<input type="submit" id="ResetButton" value="Clear Queue" onclick="s3_swf_1_object.clearQueue();" />
		<input type="submit" id="StopButton" value="Stop Uploading" onclick="s3_swf_1_object.stopUploading();" />
	</div>


</div>