function fileQueued(file) {
	try {
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setStatus("Pending...");
		progress.toggleCancel(true, this);

	} catch (ex) {
		this.debug(ex);
	}

}

function fileQueueError(file, errorCode, message) {
	try {
		var imageName = "error.gif";
		var errorName = "";
		if (errorCode === SWFUpload.errorCode_QUEUE_LIMIT_EXCEEDED) {
			errorName = "You have attempted to queue too many files.";
		}

		if (errorName !== "") {
			alert(errorName);
			return;
		}

		switch (errorCode) {
		case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
			imageName = "zerobyte.gif";
			break;
		case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
			imageName = "toobig.gif";
			break;
		case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
		case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
		default:
			alert(message);
			break;
		}

		addImage("images/" + imageName);

	} catch (ex) {
		this.debug(ex);
	}

}

function fileDialogComplete(numFilesSelected, numFilesQueued) {
	try {
	
		if (numFilesSelected > 0) {
			document.getElementById(this.customSettings.cancelButtonId).style.display = 'block';
		}

	
		if (numFilesQueued > 0) {
			this.startUpload();
		}
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadProgress(file, bytesLoaded) {

	try {
		var percent = Math.ceil((bytesLoaded / file.size) * 100);

		var progress = new FileProgress(file,  this.customSettings.upload_target);
		progress.setProgress(percent);
		if (percent === 100) {
			progress.setStatus("Bildverarbeitung...");
			progress.toggleCancel(false, this);
		} else {
			progress.setStatus("Datenübertragung...");
			progress.toggleCancel(true, this);
		}
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadSuccess(file, serverData) {
	
	try {
		var progress = new FileProgress(file,  this.customSettings.upload_target);

	

		if (serverData.substring(0, 7) === "FILEID:") {
			//addImage("thumbnail.php?id=" + serverData.substring(7));
			progress.setComplete();
			progress.setStatus("Fertig!");
			
			progress.toggleCancel(false);
			
			
			
			//alert('content_id: '+this.customSettings.content_id+' module_id: '+this.customSettings.module_id+' f_width: '+this.customSettings.f_width+' f_height: '+this.customSettings.f_height+' t_width: '+this.customSettings.t_width+' t_height: '+this.customSettings.t_height);
			//alert('loadImage Aufruf!');
			parent.loadImage(serverData,this.customSettings.quilt_id,this.customSettings.page_id,this.customSettings.frontend_url,this.customSettings.folder);
		} else {
			addImage("images/error.gif");
			progress.setStatus("Error.");
			progress.toggleCancel(false);
			alert(serverData);

		}


	} catch (ex) {
		this.debug(ex);
	}
}

function uploadComplete(file, serverData) {
	try {
		
		if (this.getStats().files_queued > 0) {
			this.startUpload();
		} else {
			var progress = new FileProgress(file,  this.customSettings.upload_target);
			progress.setComplete();
			progress.setStatus("Fertig!");
			progress.toggleCancel(false);
			if (this.getStats().files_queued === 0) {
				document.getElementById(this.customSettings.cancelButtonId).style.display = 'none';
			}

			
			
		}
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadError(file, errorCode, message) {
	var imageName =  "error.gif";
	var progress;
	try {
		switch (errorCode) {
		case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
			try {
				progress = new FileProgress(file,  this.customSettings.upload_target);
				progress.setCancelled();
				
				if (this.getStats().files_queued === 0) {
					document.getElementById(this.customSettings.cancelButtonId).style.display = 'none';
				}

				
				progress.setStatus("Cancelled");
				progress.toggleCancel(false);
			}
			catch (ex1) {
				this.debug(ex1);
			}
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
			try {
				progress = new FileProgress(file,  this.customSettings.upload_target);
				progress.setCancelled();
				progress.setStatus("Stopped");
				progress.toggleCancel(true);
			}
			catch (ex2) {
				this.debug(ex2);
			}
		case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
			imageName = "uploadlimit.gif";
			break;
		default:
			alert(message);
			break;
		}

		addImage("images/" + imageName);

	} catch (ex3) {
		this.debug(ex3);
	}

}

function uploadStart(file) {
	try {
		
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setStatus("Uploading...");
		progress.toggleCancel(true, this);
	}
	catch (ex) {}
	
	return true;
}



function addImage(src) {
	var newImg = document.createElement("img");
	newImg.style.margin = "5px";

	document.getElementById("thumbnails").appendChild(newImg);
	if (newImg.filters) {
		try {
			newImg.filters.item("DXImageTransform.Microsoft.Alpha").opacity = 0;
		} catch (e) {
			// If it is not set initially, the browser will throw an error.  This will set it if it is not set yet.
			newImg.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + 0 + ')';
		}
	} else {
		newImg.style.opacity = 0;
	}

	newImg.onload = function () {
		fadeIn(newImg, 0);
	};
	newImg.src = src;
}

function fadeIn(element, opacity) {
	var reduceOpacityBy = 5;
	var rate = 30;	// 15 fps


	if (opacity < 100) {
		opacity += reduceOpacityBy;
		if (opacity > 100) {
			opacity = 100;
		}

		if (element.filters) {
			try {
				element.filters.item("DXImageTransform.Microsoft.Alpha").opacity = opacity;
			} catch (e) {
				// If it is not set initially, the browser will throw an error.  This will set it if it is not set yet.
				element.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + opacity + ')';
			}
		} else {
			element.style.opacity = opacity / 100;
		}
	}

	if (opacity < 100) {
		setTimeout(function () {
			fadeIn(element, opacity);
		}, rate);
	}
}


// This event comes from the Queue Plugin
function queueComplete(numFilesUploaded) {
	var status = document.getElementById("divStatus");
	status.innerHTML = numFilesUploaded + " file" + (numFilesUploaded === 1 ? "" : "s") + " uploaded.";
}