/* Demo Note:  This demo uses a FileProgress class that handles the UI for displaying the file name and percent complete.
The FileProgress class is not part of SWFUpload.
*/


/* **********************
   Event Handlers
   These are my custom event handlers to make my
   web application behave the way I went when SWFUpload
   completes different tasks.  These aren't part of the SWFUpload
   package.  They are part of my application.  Without these none
   of the actions SWFUpload makes will show up in my application.
   ********************** */
var swfup_files_sel=0;
var swfup_files_up=0;
var swfup_flag=false;
var swfup_file_id=0;
function fileQueued(file) {
	try {
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setStatus("Em espera...");
		progress.toggleCancel(true, this);

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

}

function fileQueueError(file, errorCode, message) {
	try {
		if (errorCode === SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED) {
			alert("Tentou enviar demasiadas fotos.\n" + (message === 0 ? "Atingiu o limite de envio." : "Pode enviar " + (message > 1 ? "ate " + message + " fotos." : "uma foto.")));
			return;
		}

		var progress = new FileProgress(file, this.customSettings.progressTarget);
		swfup_files_sel=swfup_files_sel-1;
		queueComplete(0);
		progress.setError();
		progress.toggleCancel(false);
		
		switch (errorCode) {
		case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
			progress.setStatus("Ficheiro demasiado grande.");
			this.debug("Error Code: File too big, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
			progress.setStatus("Erro. Foto com 0 bytes.");
			this.debug("Error Code: Zero byte file, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
			progress.setStatus("Apenas JPG ou TIF.");
			this.debug("Error Code: Invalid File Type, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		default:
			if (file !== null) {
				progress.setStatus("Erro desconhecido");
			}
			this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		}
	} catch (ex) {
        this.debug(ex);
    }
}

function fileDialogComplete(numFilesSelected, numFilesQueued) {
	try {
		if (numFilesSelected > 0) {
			document.getElementById(this.customSettings.cancelButtonId).disabled = false;
			swfup_files_sel+=numFilesSelected;
			queueComplete(0);
		}
		
		/* I want auto start the upload and I can do that here */
		this.startUpload();
	} catch (ex)  {
        this.debug(ex);
	}
}

function uploadStart(file) {
	try {
		/* I don't want to do any file validation or anything,  I'll just update the UI and
		return true to indicate that the upload should start.
		It's important to update the UI here because in Linux no uploadProgress events are called. The best
		we can do is say we are uploading.
		 */
		swfup_file_id=file.index;
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setStatus("A enviar...");
		progress.toggleCancel(true, this);
	}
	catch (ex) {}
	
	return true;
}

function uploadProgress(file, bytesLoaded, bytesTotal) {
	try {
		swfup_file_id=file.index;
		var percent = Math.ceil((bytesLoaded / bytesTotal) * 100);

		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setProgress(percent);
		if (this.customSettings.createThumbnail && this.customSettings.createThumbnail=='y' && this.customSettings.ThumbnailCat>0 && percent === 100) {
			progress.setStatus("A criar Thumbnail");
		}else{
			progress.setStatus("A enviar...");
		}
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadSuccess(file, serverData) {
	try {
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		if (this.customSettings.createThumbnail && this.customSettings.createThumbnail=='y' && this.customSettings.ThumbnailCat>0) {
			if (serverData.substring(0, 7) === "FILEID:") {
				addImage("thumbnail.php?id=" + serverData.substring(7)+'&c='+this.customSettings.ThumbnailCat);
			}
		}
		
		progress.setComplete();
		progress.setStatus("Enviada.");
		progress.toggleCancel(false);

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

function uploadError(file, errorCode, message) {
	
	try {
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setError();
		progress.toggleCancel(false);

		switch (errorCode) {
		case SWFUpload.UPLOAD_ERROR.HTTP_ERROR:
			progress.setStatus("Upload Error: " + message);
			this.debug("Error Code: HTTP Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
			progress.setStatus("Upload Failed.");
			this.debug("Error Code: Upload Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.IO_ERROR:
			progress.setStatus("Server (IO) Error");
			this.debug("Error Code: IO Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
			progress.setStatus("Security Error");
			this.debug("Error Code: Security Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
			progress.setStatus("Upload limit exceeded.");
			this.debug("Error Code: Upload Limit Exceeded, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.FILE_VALIDATION_FAILED:
			progress.setStatus("Failed Validation.  Upload skipped.");
			this.debug("Error Code: File Validation Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
			// If there aren't any files left (they were all cancelled) disable the cancel button
			if (this.getStats().files_queued === 0) {
				document.getElementById(this.customSettings.cancelButtonId).disabled = true;
			}
			
			if (file.index==swfup_file_id){
				swfup_flag=true;
			}
			swfup_files_sel=swfup_files_sel-1;
			queueComplete(0);
			
			progress.setStatus("Cancelada");
			progress.setCancelled();
			
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
			progress.setStatus("Parada");
			break;
		default:
			progress.setStatus("Unhandled Error: " + errorCode);
			this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		}
	} catch (ex) {
        this.debug(ex);
    }
}

function uploadComplete(file) {
	if (this.getStats().files_queued === 0) {
		document.getElementById(this.customSettings.cancelButtonId).disabled = true;
	}	
	
		if (swfup_flag==false){
			swfup_files_up++;
			queueComplete(0);
		}
		swfup_flag=false;	
	
	//queueComplete(this.getStats().successful_uploads);
	
}

// This event comes from the Queue Plugin
function queueComplete(numFilesUploaded) {
	//MC HACK
	//try {numFilesUploaded=this.getStats().successful_uploads;}catch(e){}
	var pperc = Math.ceil((swfup_files_up / swfup_files_sel) * 100);
	if (pperc>100) {
		swfup_files_up--;
		pperc = Math.ceil((swfup_files_up / swfup_files_sel) * 100);
	}
	if (swfup_files_up==0){pperc=0;}
	var status = document.getElementById("divStatus");
	status.innerHTML = "Fotos Já Enviadas: " + swfup_files_up;
	var statusSel = document.getElementById("divStatusSel");
	var statusPer = document.getElementById("divStatusPer");
	statusSel.innerHTML = "Fotos Seleccionadas: " + swfup_files_sel;
	statusPer.innerHTML = "Concluído: " + pperc+"%";
	if (numFilesUploaded>0) mete_continuar();
}

function mete_continuar(){
	document.getElementById("butct").disabled=false;
}
function addImage(src) {
	var newImg = document.createElement("img");
	newImg.style.margin = "5px";
	document.getElementById("thumbnails").appendChild(newImg);
	newImg.src = src;
}