/* 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.
   ********************** */
function fileQueued(file) {
	try {
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setStatus("Wachten tot voorgaande uploads voltooid zijn...");
		progress.toggleCancel(true, this);

	} catch (ex) {
		this.debug(ex);
	}

}

function fileQueueError(file, errorCode, message) {
	try {
		if (errorCode === SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED) {
			alert("Er staan te veel bestanden in de wachtrij.\n" + (message === 0 ? "U hebt uw uploadlimiet berijkt." : "U mag " + (message > 1 ? "tot " + message + " bestanden selecteren." : "een bestand selecteren.")));
			return;
		}

		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setError();
		progress.toggleCancel(false);

		switch (errorCode) {
		case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
			progress.setStatus("Bestand te groot.");
			this.debug("Fout: Te groot bestand, bestandsnaam: " + file.name + ", bestandsformaat: " + file.size + ", bericht: " + message);
			break;
		case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
			progress.setStatus("Het is niet mogelijk om bestanden van 0kb te uploaden.");
			this.debug("Fout: te klein bestand, bestandsnaam: " + file.name + ", bestandsformaat: " + file.size + ", bericht: " + message);
			break;
		case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
			progress.setStatus("Ongeschikt bestandstype.");
			this.debug("Fout: ongeschikt bestandstype, bestandsnaam: " + file.name + ", bestandsformaat: " + file.size + ", bericht: " + message);
			break;
		default:
			if (file !== null) {
				progress.setStatus("Niet nader omschreven fout");
			}
			this.debug("Fout: " + errorCode + ", bestandsnaam: " + file.name + ", bestandsformaat: " + file.size + ", bericht: " + message);
			break;
		}
	} catch (ex) {
        this.debug(ex);
    }
}

function fileDialogComplete(numFilesSelected, numFilesQueued) {
	try {
		if (numFilesSelected > 0) {
			document.getElementById(this.customSettings.cancelButtonId).disabled = false;
		}
		
		/* 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.
		 */
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setStatus("Bezig met initialiseren van upload");
		progress.toggleCancel(true, this);
	}
	catch (ex) {}
	
	return true;
}

function uploadProgress(file, bytesLoaded, bytesTotal) {
	try {
		var percent = Math.ceil((bytesLoaded / bytesTotal) * 100);

		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setProgress(percent);
		progress.setStatus("Bezig met uploaden..");
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadSuccess(file, serverData) {
	try {
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setComplete();
		progress.setStatus("Uploaden voltooid.");
		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 fout: " + message);
			this.debug("Fout: HTTP Error, bestandsnaam: " + file.name + ", bericht: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
			progress.setStatus("Upload mislukt.");
			this.debug("Fout: Upload mislukt, bestandsnaam: " + file.name + ", bestandsformaat: " + file.size + ", bericht: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.IO_ERROR:
			progress.setStatus("Server (IO) fout");
			this.debug("Fout: IO fout ofzo, bestandsnaam: " + file.name + ", bericht: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
			progress.setStatus("Beveiligingsfout");
			this.debug("Fout: Beveiligingsfout, bestandsnaam: " + file.name + ", bericht: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
			progress.setStatus("Upload limiet overschreden.");
			this.debug("Fout: Upload limiet overschreden, bestandsnaam: " + file.name + ", bestandsformaat: " + file.size + ", bericht: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.FILE_VALIDATION_FAILED:
			progress.setStatus("Upload overgeslagen.");
			this.debug("Fout: Bestandsvalidatie mislukt, bestandsnaam: " + file.name + ", bestandsformaat: " + file.size + ", bericht: " + 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;
			}
			progress.setStatus("Geannuleerd");
			progress.setCancelled();
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
			progress.setStatus("Gestopt");
			break;
		default:
			progress.setStatus("Niet nader omschreven fout: " + errorCode);
			this.debug("Fout: " + errorCode + ", bestandsnaam: " + file.name + ", bestandsformaat: " + file.size + ", bericht: " + message);
			break;
		}
	} catch (ex) {
        this.debug(ex);
    }
}

function uploadComplete(file) {
	if (this.getStats().files_queued === 0) {
		document.getElementById(this.customSettings.cancelButtonId).disabled = true;
	}
}

// This event comes from the Queue Plugin
function queueComplete(numFilesUploaded) {
	var status = document.getElementById("divStatus");
	status.innerHTML = numFilesUploaded + " bestand" + (numFilesUploaded === 1 ? "" : "en") + " geupload.";
}

