/*
	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.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.title = "Cancel Upload";
		progressCancel.style.visibility = "hidden";
		progressCancel.appendChild(document.createTextNode(" "));
		
		//adds the delete function
		var fileDelete = document.createElement("a");
		fileDelete.className = "fileDelete";
		fileDelete.href = "#";
		fileDelete.title = "Delete File";
		fileDelete.style.visibility = "hidden";
		fileDelete.appendChild(document.createTextNode("Delete File"));

		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(fileDelete);
		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.setComplete = function () {
	this.fileProgressElement.className = "progressContainer blue";
	this.fileProgressElement.childNodes[3].className = "progressBarComplete";
	this.fileProgressElement.childNodes[3].style.width = "";
	var oSelf = this;
	var checkForClientsFolder = document.getElementById("clientUploads");
	if(checkForClientsFolder!=null) {
		this.setTimer(setTimeout(function () {
			oSelf.disappear();
		}, 1500));
	}
	//uploads file on completion
	var emailWhenFinished = document.getElementById("emailWhenFinished");
	if(emailWhenFinished!=null) {
		if(emailWhenFinished.checked) {
			this.setTimer(setTimeout(function () {
				document.fileUpload.submit();
			}, 3000));
		}
	}
};
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;
		};
	}
};

//ashley added to delete the uploaded files
FileProgress.prototype.toggleDelete = function (show, swfUploadInstance) {
	var fileProg=this.fileProgressElement;
	fileProg.childNodes[1].style.visibility = show ? "visible" : "hidden";
	
	if (swfUploadInstance) {
		var container = this.fileProgressWrapper;
		var delSelf = this;
		var uploadName = this.fileProgressWrapper.uploadImg;
		fileProg.childNodes[1].onclick = function () {
			var uploadImg = document.getElementById("uploadImg");
			//gets the url, removes the skips the http:// and finds the next /
			var thisURL=window.location.href;
			var thisPath=thisURL.substring(thisURL.indexOf("\/",8),thisURL.lastIndexOf("\/"));
			//checks the name of the uploaded path and makes sure it doesn't exist in the string returned from the server
			var postVars=swfUploadInstance.buildParamString();
			var uploadPathName=postVars.substring(postVars.lastIndexOf("uploadDir")+10);
			var searchForPath=thisPath.lastIndexOf(uploadPathName);
			if(searchForPath!=-1) {//clears out weird issues with the path if they exist
				thisPath=thisPath.substring(0,searchForPath)
			}
			var html = $.ajax({
				type: "POST",
				url: "http://"+location.host+"/scripts/AJAX.DeleteUpload.php",
				data: "uploadName=" + uploadName + "&baseDir=" + thisPath,
				async: false
			}).responseText;
			if(html==1) {//if the image was deleted
				//creates the new list of images, resaves to the hidden form var
				var newImages="";
				var uploadImages=uploadImg.value.split(",");
				for (i in uploadImages) {
					//valueOnly=uploadImages[i].split("=");
					//if(uploadName==valueOnly[1]) {
					if(uploadName==uploadImages[i]) {	
						continue;	
					}
					newImages+=uploadImages[i];
				}
				uploadImg.value=newImages;
				fileProg.childNodes[2].innerHTML = 'File deleted';
				delSelf.disappear();
			} else {
				//not clean. must fix
				fileProg.childNodes[2].innerHTML = 'Error: Deleting file - '+html;
			}
			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);
	}
};