test.js

TXTextControl.addEventListener("clipboardDataTransferStart", clipboardDataTransferStartHandler);
TXTextControl.addEventListener("clipboardDataTransferComplete", clipboardDataTransferCompleteHandler);
TXTextControl.addEventListener("clipboardDataTransferProgress", clipboardDataTransferProgressHandler);
TXTextControl.addEventListener("clipboardDataTransferAborted", clipboardDataTransferAbortedHandler);
  
function clipboardDataTransferStartHandler() {
	$(".progress-bar").attr("aria-valuenow", 0);
	$(".progress-bar").css("width", "0%");

	$(".progress-bar").removeClass("bg-success");
	$(".progress-bar").addClass("progress-bar-striped progress-bar-animated bg-danger");
}

function clipboardDataTransferCompleteHandler() {
	$(".progress-bar").removeClass("progress-bar-striped progress-bar-animated bg-danger");
	$(".progress-bar").addClass("bg-success");

	$(".progress-bar").attr("aria-valuenow", 100);
	$(".progress-bar").css("width", "100%");
}

function clipboardDataTransferProgressHandler(e) {
	$(".progress-bar").attr("aria-valuenow", e.progress);
	$(".progress-bar").css("width", e.progress + "%");
}

function clipboardDataTransferAbortedHandler() {
	clipboardDataTransferCompleteHandler();
}