reworked startup process

* cemu is showing a loading screen while loading the roms
* jackson core 2.9.3 -> 2.9.4

pom.xml

@@ -107,7 +107,7 @@
     <dependency>
         <groupId>com.google.apis</groupId>
         <artifactId>google-api-services-drive</artifactId>
-        <version>v3-rev87-1.23.0</version>
+        <version>v3-rev99-1.23.0</version>
     </dependency>
 
     <!-- https://mvnrepository.com/artifact/com.google.http-client/google-http-client -->
@@ -150,7 +150,7 @@
     <dependency>
         <groupId>com.fasterxml.jackson.core</groupId>
         <artifactId>jackson-core</artifactId>
-        <version>2.9.3</version>
+        <version>2.9.4</version>
     </dependency>
 
     <!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->

src/main/java/com/cemu_UI/application/Main.java

@@ -177,8 +177,7 @@ public class Main extends Application {
 			if(mainWindowController.isCloudSync()) {
 				cloudController.initializeConnection(mainWindowController.getCloudService(), mainWindowController.getCemuPath());
 				cloudController.sync(mainWindowController.getCloudService(), mainWindowController.getCemuPath(), directory.getPath());
-			}			
-			mainWindowController.addUIData();
+			}
 			
 			scene = new Scene(pane); // create new scene, append pane to scene
 			scene.getStylesheets().add(Main.class.getResource("/css/MainWindows.css").toExternalForm());

src/main/java/com/cemu_UI/application/MainWindowController.java

@@ -864,26 +864,7 @@ public class MainWindowController {
     
 	@FXML
 	void reloadRomsBtnAction() throws IOException {
-		
-		JFXSpinner spinner = new JFXSpinner();
-		spinner.setPrefSize(30, 30);
-		spinner.setStyle(" -fx-background-color: #f4f4f4;");
-		main.getPane().getChildren().add(spinner);
-		AnchorPane.setTopAnchor(spinner, (main.getPane().getHeight()-spinner.getPrefHeight())/2);
-    	AnchorPane.setLeftAnchor(spinner, (main.getPane().getWidth()-spinner.getPrefWidth())/2);
-    	
-    	Thread thread = new Thread(new Runnable() {
-			@Override
-			public void run() {
-				dbController.loadRomDirectory(getRomDirectoryPath()); // reload the rom directory
-				
-				Platform.runLater(() -> {
-					refreshUIData(); // refresh the list of games displayed on screen
-					main.getPane().getChildren().remove(spinner);
-                });
-			}
-		});
-		thread.start();
+		reloadRoms();
 	}
     
 	@FXML
@@ -1314,6 +1295,35 @@ public class MainWindowController {
     	games.add(uiROMElement);
     }
     
+    public void reloadRoms() {
+    	JFXSpinner spinner = new JFXSpinner();
+		spinner.setPrefSize(30, 30);
+		spinner.setStyle(" -fx-background-color: #f4f4f4;");
+		AnchorPane.setTopAnchor(spinner, (main.getPane().getPrefHeight()-spinner.getPrefHeight())/2);
+    	AnchorPane.setLeftAnchor(spinner, (main.getPane().getPrefWidth()-spinner.getPrefWidth())/2);
+    	
+    	Thread thread = new Thread(new Runnable() {
+			@Override
+			public void run() {
+				Platform.runLater(() -> {
+					//remove all games form gamesAnchorPane
+			    	gamesAnchorPane.getChildren().removeAll(gamesAnchorPane.getChildren());
+					main.getPane().getChildren().add(spinner); // add spinner to pane
+                });
+				
+				dbController.loadRomDirectory(getRomDirectoryPath()); // reload the ROM directory
+				games.removeAll(games); // remove all games from the mwc game list
+				dbController.loadAllGames(); // load all games from the database to the mwc
+				
+				Platform.runLater(() -> {
+					refreshUIData(); // refresh the list of games displayed on screen
+					main.getPane().getChildren().remove(spinner);
+                });
+			}
+		});
+		thread.start();
+    }
+    
 	// add all games saved in games(ArrayList) to gamesAnchorPane
 	void addUIData() {
 		for (int i = 0; i < games.size(); i++) {

src/main/java/com/cemu_UI/controller/DBController.java

@@ -67,13 +67,11 @@ public class DBController {
 	 * load all games
 	 */
 	public void init(){
-		LOGGER.info("<==========starting loading sql==========>");
+		LOGGER.info("<========== starting loading sql ==========>");
 		loadRomDatabase();
 		loadGamesDatabase();
 		createRomDatabase();
-		loadAllGames();
-		checkRemoveEntry();
-		LOGGER.info("<==========finished loading sql==========>");
+		LOGGER.info("<========== finished loading sql ==========>");
 	}
 	
 	/**
@@ -149,11 +147,13 @@ public class DBController {
 			LOGGER.error("error while loading ROMs from ROM database, local_roms table", e);
 		}
 		if (entries.size() == 0) {
-			loadRomDirectory(mainWindowController.getRomDirectoryPath());
+			mainWindowController.reloadRoms();
+		} else {
+			loadAllGames();
 		}
 	}
 
-	// add a Ggame to the database
+	// add a game to the database
 	public void addGame(String title, String coverPath, String romPath, String titleID, String productCode, String region, String lastPlayed, String timePlayed) throws SQLException{
 		Statement stmt = connection.createStatement();
 		stmt.executeUpdate("insert into local_roms values ('"+title+"','"+coverPath+"','"+romPath+"','"+titleID+"',"
@@ -163,6 +163,7 @@ public class DBController {
 		LOGGER.info("added \""+title+"\" to ROM database");
 	}
 	
+	// remove a game from the database
 	public void removeGame(String titleID) throws SQLException{
 		Statement stmt = connection.createStatement();
 		stmt.executeUpdate("delete from local_roms where titleID = '"+titleID+"'");
@@ -171,8 +172,8 @@ public class DBController {
 		LOGGER.info("removed \""+titleID+"\" from ROM database");
 	}
 	
-	//load all ROMs on startup to the mainWindowController
-	void loadAllGames(){
+	//load all ROMs to the mainWindowController
+	public void loadAllGames(){
 		LOGGER.info("loading all games on startup into the mainWindowController ...");
 		try { 
 			Statement stmt = connection.createStatement(); 
@@ -187,7 +188,7 @@ public class DBController {
 		}
 	}
 	
-	//load one single ROM after manual adding into the mainWindowController
+	//load a single ROM to the mainWindowController
 	public void loadSingleGame(String titleID){
 		LOGGER.info("loading a single game (ID: "+titleID+") into the mainWindowController ..."); 
 		try { 
@@ -223,6 +224,7 @@ public class DBController {
 		try {
 			Statement stmt = connectionGames.createStatement();
 			List<File> files = (List<File>) FileUtils.listFiles(dir, extensions, true);
+			LOGGER.info("<============================== start loading ROM Directory ==============================>");
 			LOGGER.info("Getting all .rpx files in " + dir.getCanonicalPath()+" including those in subdirectories");
 			// for all files in dir get the app.xml
 			for (File file : files) {
@@ -253,6 +255,7 @@ public class DBController {
 					}
 				}
 			}
+			LOGGER.info("<============================= finished loading ROM Directory ============================>");
 		} catch (IOException | SQLException | ParserConfigurationException | SAXException e) {
 			LOGGER.error("error while loading ROMs from directory", e);
 		}
@@ -268,6 +271,7 @@ public class DBController {
 		return check;
 	}
 	
+	@SuppressWarnings("unused")
 	private void checkRemoveEntry() {
 		/**
 		 *  TODO needs to be implemented!