downloading is donw in a new tab

frontend-js/src/main/js/gui/Panel.js

@@ -16,9 +16,6 @@ function Panel(params) {
   self.setElement(params.element);
   self.setMap(params.customMap);
 
-  if (self.getHiddenIFrame() === undefined) {
-    self.addHiddenIFrame();
-  }
 }
 
 Panel.prototype = Object.create(ObjectWithListeners.prototype);
@@ -253,27 +250,15 @@ Panel.prototype.createSubMapLink = function(label, element) {
   return result;
 };
 
-Panel.prototype.getHiddenIFrame = function() {
-  return this.getElementByName(this.getElement(), "hidden-download-iframe");
-};
-
 Panel.prototype.downloadFile = function(url) {
-  this.getHiddenIFrame().src = url;
-};
-
-Panel.prototype.addHiddenIFrame = function() {
-  var iframe = document.createElement("iframe");
-  iframe.setAttribute("name", "hidden-download-iframe");
-  iframe.style.display = "none";
-  this.getElement().appendChild(iframe);
+  this._downloadFile = url;
+  window.open(url, '_blank');
 };
 
 Panel.prototype.getLastDownloadUrl = function() {
-  return this.getHiddenIFrame().src;
+  return this._downloadFile;
 };
 
-
-
 Panel.prototype.getElementByName = function(element, name) {
   if (element !== undefined) {
     if (element.getAttribute("name") === name) {