/*
	A simple class for displaying file information and progress
	Note: This is a demonstration only and not part of SWFUpload.
	Note: Some have had problems adapting this class in IE7. It may not be suitable for your application.
*/

// Constructor
// file is a SWFUpload file object
// targetID is the HTML element id attribute that the FileProgress HTML structure will be added to.
// Instantiating a new FileProgress object with an existing file will reuse/update the existing DOM elements
function FileProgress(file, targetID) {
	this.fileProgressID = file.id;

	this.opacity = 100;
	this.height = 0;
	this.deleteButton = false;
	this.deleteFunction = '';
	

	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 = " ";

		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);
	} else {
		this.fileProgressElement = this.fileProgressWrapper.firstChild;
		this.reset();
	}

	this.height = this.fileProgressWrapper.offsetHeight;
	this.setTimer(null);


}

FileProgress.prototype.setTimer = function (timer) {
	this.fileProgressElement["FP_TIMER"] = timer;
};
FileProgress.prototype.getTimer = function (timer) {
	return this.fileProgressElement["FP_TIMER"] || null;
};

FileProgress.prototype.reset = function () {
	this.fileProgressElement.className = "progressContainer";

	this.fileProgressElement.childNodes[2].innerHTML = " ";
	this.fileProgressElement.childNodes[2].className = "progressBarStatus";
	
	this.fileProgressElement.childNodes[3].className = "progressBarInProgress";
	this.fileProgressElement.childNodes[3].style.width = "0%";
	
	this.appear();	
};

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

	this.appear();	
};

FileProgress.prototype.activateDeleteButton = function () {
	this.deleteButton = true;
}

FileProgress.prototype.setDeleteFunction = function (name) {
	this.deleteFunction = name;
}

FileProgress.prototype.setComplete = function () {
	this.fileProgressElement.className = "progressContainer blue";
	
	this.fileProgressElement.childNodes[3].className = "progressBarComplete";
	this.fileProgressElement.childNodes[3].style.width = "";

	var oSelf = this;
	if (this.deleteButton) this.attachDeleteEvent();
	
	this.setTimer(setTimeout(function () {
		//oSelf.disappear();
	}, 10000));
};
FileProgress.prototype.attachDeleteEvent = function () {
	this.deleteDiv = document.createElement('div');
	this.deleteDiv.id = this.fileProgressWrapper.id + "_" + "deleteDiv";
	this.deleteAnchor = document.createElement('a');
	this.deleteAnchor.innerHTML = 'Usuń';
	this.deleteDiv.className = "deleteDiv";
	this.deleteDiv.appendChild(this.deleteAnchor);
	var filename = this.fileProgressElement.childNodes[1].innerHTML;
	
	var oself = this;
	this.deleteAnchor.onclick = function(){ DeleteFile(oself, filename);}
	this.deleteAnchor.className = 'delFile';
	
	this.deleteAnchor.href = "javascript:void(0);";
	this.fileProgressElement.appendChild(this.deleteDiv);
	
};
function calculateAllowedUploadsRemaining() {
	var uploads_remaining = swfu.getStats().files_queued;
	var stats = swfu.getStats();
	stats.successful_uploads = stats.successful_uploads-1;
	swfu.setStats(stats);
	var upload_count = swfu.getStats().successful_uploads;
	swfu.setFileQueueLimit(swfu.settings.file_upload_limit - (upload_count + uploads_remaining));
}



function DeleteFile(currentFileProgressElement, filename){
	if (currentFileProgressElement.deleteFunction == 'deleteZdjecie'){
		if (confirm('Czy na pewno chcesz usunąć zdjęcie?')) {
			$.post('/getContent.php?'+ajaxIeFix(), {
				plugin: 'PrbPanelBiblioteki',
				content: 'ajaxDeletePicture',
				action: 'deletePicture',
				lib_id: $('input[name="lib_id"]').val(),
				picture: $('input[name="picture"]').val()
			},
			function(data){
			}
			)
			currentFileProgressElement.disappear();
			calculateAllowedUploadsRemaining();
			
		}
	}else
	if (confirm('Czy na pewno chcesz usunąć plik " '+filename+'" ?')) {
		$.post('/getContent.php?'+ajaxIeFix(), {
			plugin: 'Prb',
			content: 'ajaxDeleteFile',
			action: 'deleteFile',
			sid: $('input[name="sid"]').val(),
			fileName: filename
		},
		function(data){
			
		}
		)
		
		currentFileProgressElement.disappear();
		calculateAllowedUploadsRemaining();
	}
}

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

	var oSelf = this;
	this.setTimer(setTimeout(function () {
		oSelf.disappear();
	}, 5000));
};
FileProgress.prototype.setCancelled = function () {
	this.fileProgressElement.className = "progressContainer";
	this.fileProgressElement.childNodes[3].className = "progressBarError";
	this.fileProgressElement.childNodes[3].style.width = "";

	var oSelf = this;
	this.setTimer(setTimeout(function () {
		oSelf.disappear();
	}, 2000));
};
FileProgress.prototype.setStatus = function (status) {
	this.fileProgressElement.childNodes[2].innerHTML = status;
};

// Show/Hide the cancel button
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;
		};
	}
};

FileProgress.prototype.appear = function () {
	if (this.getTimer() !== null) {
		clearTimeout(this.getTimer());
		this.setTimer(null);
	}
	
	if (this.fileProgressWrapper.filters) {
		try {
			this.fileProgressWrapper.filters.item("DXImageTransform.Microsoft.Alpha").opacity = 100;
		} catch (e) {
			// If it is not set initially, the browser will throw an error.  This will set it if it is not set yet.
			this.fileProgressWrapper.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=100)";
		}
	} else {
		this.fileProgressWrapper.style.opacity = 1;
	}
		
	this.fileProgressWrapper.style.height = "";
	
	this.height = this.fileProgressWrapper.offsetHeight;
	this.opacity = 100;
	this.fileProgressWrapper.style.display = "";
	
};

// Fades out and clips away the FileProgress box.
FileProgress.prototype.disappear = function () {

	var reduceOpacityBy = 15;
	var reduceHeightBy = 4;
	var rate = 30;	// 15 fps

	if (this.opacity > 0) {
		this.opacity -= reduceOpacityBy;
		if (this.opacity < 0) {
			this.opacity = 0;
		}

		if (this.fileProgressWrapper.filters) {
			try {
				this.fileProgressWrapper.filters.item("DXImageTransform.Microsoft.Alpha").opacity = this.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.
				this.fileProgressWrapper.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=" + this.opacity + ")";
			}
		} else {
			this.fileProgressWrapper.style.opacity = this.opacity / 100;
		}
	}

	if (this.height > 0) {
		this.height -= reduceHeightBy;
		if (this.height < 0) {
			this.height = 0;
		}

		this.fileProgressWrapper.style.height = this.height + "px";
	}

	if (this.height > 0 || this.opacity > 0) {
		var oSelf = this;
		this.setTimer(setTimeout(function () {
			oSelf.disappear();
		}, rate));
	} else {
		this.fileProgressWrapper.style.display = "none";
		this.setTimer(null);
	}
};