RegionChooserJS: Closure to avoid using too many global variables.

src/eu/simstadt/regionchooser/RegionChooserBrowser.java

@@ -159,7 +159,7 @@ private Path citygmlPath(String project, String citygml) {
 		}
 
 		public void importNovaFactoryBoundingBoxes() throws IOException {
-			JSObject novafactoryVectors = (JSObject) webEngine.executeScript("novafactory_vectors");
+			JSObject regionChooserJS = (JSObject) webEngine.executeScript("regionChooser");
 			BufferedReader nf_csv = new BufferedReader(new InputStreamReader(
 					RegionChooserFX.class.getResourceAsStream("website/data/novafactory_products.csv")));
 			nf_csv.readLine();
@@ -171,7 +171,7 @@ public void importNovaFactoryBoundingBoxes() throws IOException {
 				String[] srs = values[3].split(" ");
 				String epsgId = srs[srs.length - 1];
 				//				System.out.println(product);
-				novafactoryVectors.call("addNovaFactoryProduct", values[8], values[9], values[10], values[11], product,
+				regionChooserJS.call("addNovaFactoryProduct", values[8], values[9], values[10], values[11], product,
 						epsgId);
 			}
 			nf_csv.close();
@@ -192,9 +192,9 @@ public RegionChooserBrowser() {
 		webEngine.getLoadWorker().stateProperty().addListener(
 				(ObservableValue<? extends State> ov, State oldState, State newState) -> {
 					if (newState == State.SUCCEEDED) {
-						JSObject win = (JSObject) webEngine.executeScript("window");
-						win.setMember("fxapp", fxapp);
-						win.call("ready");
+						JSObject regionChooserJS = (JSObject) webEngine.executeScript("regionChooser");
+						regionChooserJS.setMember("fxapp", fxapp);
+						regionChooserJS.call("ready");
 						try {
 							fxapp.importNovaFactoryBoundingBoxes();
 						} catch (Exception ex) {