ACC SHELL

function fileQueueError(file, errorCode, message) {
	try {
		var imageName = "error.gif";
		var errorName = "";
		if (errorCode === SWFUpload.errorCode_QUEUE_LIMIT_EXCEEDED) {
			errorName = "Pokoušíte se nahrát příliš mnoho souborů najednou !";
		}

		switch (errorCode) {
			case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE :
				imageName = "zerobyte.gif";
				errorName = "Pokoušíte se nahrát prázdný soubor !";
				break;
			case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT :
				imageName = "toobig.gif";
				errorName = "Nahrávaný soubor přesahuje povolený limit !";
				break;
			// case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE :
			case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE :
				errorName = "Nahrávaný soubor není platný !";
			default :
				alert(message);
				break;
		}
		if (errorName !== "") {
			alert(errorName);
			return;
		}
	} catch (ex) {
		this.debug(ex);
	}

}

function fileDialogComplete(numFilesSelected, numFilesQueued) {
	try {
		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("Vytvářím náhled...");
			progress.toggleCancel(false, this);
		} else {
			progress.setStatus("Nahrávání...");
			progress.toggleCancel(true, this);
		}
	} catch (ex) {
		this.debug(ex);
	}

}

function uploadSuccess(file, serverData) {
	var json = "[" + serverData + "]";
	var res = eval(json);
	try {
		addImage('/' + res.filename);
		var progress = new FileProgress(file, this.customSettings.upload_target);
		progress.setStatus("Náhled byl vytvořen. ");
		progress.toggleCancel(false);

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

function uploadComplete(file) {
	try {
		if (this.getStats().files_queued > 0) {
			this.startUpload();
		} else {
			var progress = new FileProgress(file,
					this.customSettings.upload_target);
			progress.setComplete();
			progress.setStatus("Všechny obrázky byly nahrány.");
			progress.toggleCancel(false);
		}
	} 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();
					progress.setStatus("Zrušeno");
					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("Zastaveno");
					progress.toggleCancel(true);
				} catch (ex2) {
					this.debug(ex2);
				}
			case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED :
				try {
					progress = new FileProgress(file,
							this.customSettings.upload_target);
					progress.setCancelled();
					progress.setStatus("Byl překročen limit velikosti");
					progress.toggleCancel(false);
				} catch (ex2) {
					this.debug(ex2);
				}
			default :
				alert(message);
				break;
		}
		alert(message);
		addImage("/data/images/" + imageName);

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

}

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) {
			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);
	}
}

/*******************************************************************************
 * FileProgress Object Control object for displaying file info
 * ******************************************
 */

function FileProgress(file, targetID) {
	this.fileProgressID = "divFileProgress";

	this.fileProgressWrapper = document.getElementById(this.fileProgressID);
	if (!this.fileProgressWrapper) {
		this.fileProgressWrapper = document.createElement("div");
		this.fileProgressWrapper.className = "progressWrapper";
		this.fileProgressWrapper.id = this.fileProgressID;

		this.fileProgressElement = document.createElement("div");
		this.fileProgressElement.className = "progressContainer";

		var progressCancel = document.createElement("a");
		progressCancel.className = "progressCancel";
		progressCancel.href = "#";
		progressCancel.style.visibility = "hidden";
		progressCancel.appendChild(document.createTextNode(" "));

		var progressText = document.createElement("div");
		progressText.className = "progressName";
		progressText.appendChild(document.createTextNode(file.name));

		var progressBar = document.createElement("div");
		progressBar.className = "progressBarInProgress";

		var progressStatus = document.createElement("div");
		progressStatus.className = "progressBarStatus";
		progressStatus.innerHTML = "&nbsp;";

		this.fileProgressElement.appendChild(progressCancel);
		this.fileProgressElement.appendChild(progressText);
		this.fileProgressElement.appendChild(progressStatus);
		this.fileProgressElement.appendChild(progressBar);

		this.fileProgressWrapper.appendChild(this.fileProgressElement);

		document.getElementById(targetID).appendChild(this.fileProgressWrapper);
		fadeIn(this.fileProgressWrapper, 0);

	} else {
		this.fileProgressElement = this.fileProgressWrapper.firstChild;
		this.fileProgressElement.childNodes[1].firstChild.nodeValue = file.name;
	}

	this.height = this.fileProgressWrapper.offsetHeight;

}
FileProgress.prototype.setProgress = function(percentage) {
	this.fileProgressElement.className = "progressContainer green";
	this.fileProgressElement.childNodes[3].className = "progressBarInProgress";
	this.fileProgressElement.childNodes[3].style.width = percentage + "%";
};
FileProgress.prototype.setComplete = function() {
	this.fileProgressElement.className = "progressContainer blue";
	this.fileProgressElement.childNodes[3].className = "progressBarComplete";
	this.fileProgressElement.childNodes[3].style.width = "";

};
FileProgress.prototype.setError = function() {
	this.fileProgressElement.className = "progressContainer red";
	this.fileProgressElement.childNodes[3].className = "progressBarError";
	this.fileProgressElement.childNodes[3].style.width = "";

};
FileProgress.prototype.setCancelled = function() {
	this.fileProgressElement.className = "progressContainer";
	this.fileProgressElement.childNodes[3].className = "progressBarError";
	this.fileProgressElement.childNodes[3].style.width = "";

};
FileProgress.prototype.setStatus = function(status) {
	this.fileProgressElement.childNodes[2].innerHTML = status;
};

FileProgress.prototype.toggleCancel = function(show, swfuploadInstance) {
	this.fileProgressElement.childNodes[0].style.visibility = show
			? "visible"
			: "hidden";
	if (swfuploadInstance) {
		var fileID = this.fileProgressID;
		this.fileProgressElement.childNodes[0].onclick = function() {
			swfuploadInstance.cancelUpload(fileID);
			return false;
		};
	}
};