#8: Implement Login Logic

Signed-off-by: Dominik Säume <Dominik.Saeume@hmmh.de>

src/main/java/de/hitec/nhplus/Main.java

@@ -36,7 +36,6 @@ public class Main extends Application {
     public void start(Stage primaryStage) {
         this.primaryStage = primaryStage;
         executePassword();
-        //executeMainApplication();
     }
 
     private void executePassword() {
@@ -55,7 +54,7 @@ public class Main extends Application {
 
             loginStage.showAndWait();
 
-            if(controller.loginSucessfull){
+            if(controller.user == null){
                 executeMainApplication();
             }
         } catch (IOException exception) {

src/main/java/de/hitec/nhplus/login/LoginController.java

@@ -2,11 +2,14 @@ package de.hitec.nhplus.login;
 
 import de.hitec.nhplus.datastorage.DaoFactory;
 import de.hitec.nhplus.login.database.UserDao;
-import javafx.event.ActionEvent;
+import javafx.animation.PauseTransition;
+import javafx.animation.TranslateTransition;
 import javafx.fxml.FXML;
+import javafx.scene.control.Button;
 import javafx.scene.control.PasswordField;
 import javafx.scene.control.TextField;
 import javafx.stage.Stage;
+import javafx.util.Duration;
 
 import java.nio.charset.StandardCharsets;
 import java.security.MessageDigest;
@@ -16,27 +19,54 @@ import java.util.Arrays;
 
 public class LoginController {
 
+    public User user;
     @FXML
     public TextField textFieldUsername;
     @FXML
     public PasswordField passwordField;
+    @FXML
+    public Button buttonSubmit;
     private Stage stage;
-    public boolean loginSucessfull = false;
     private int loginTries = 0;
 
+
     public void initialize(Stage stage) {
         this.stage = stage;
     }
 
     private void handleWrongPasswordOrUsername() {
         loginTries++;
+
+        // Shake
+        TranslateTransition ttUsername = new TranslateTransition(Duration.millis(50), textFieldUsername);
+        ttUsername.setByX(10);
+        ttUsername.setAutoReverse(true);
+        ttUsername.setCycleCount(6);
+
+        TranslateTransition ttPassword = new TranslateTransition(Duration.millis(50), passwordField);
+        ttPassword.setByX(10);
+        ttPassword.setAutoReverse(true);
+        ttPassword.setCycleCount(6);
+
+        ttUsername.play();
+        ttPassword.play();
+
+        // Timout
+        PauseTransition pause = new PauseTransition(Duration.seconds(3));
+        pause.setOnFinished(event -> {
             if (loginTries == 3) {
                 stage.close();
             }
+            buttonSubmit.setDisable(false);
+        });
+        pause.play();
+
     }
 
     @FXML
     public void handleSubmit() {
+        buttonSubmit.setDisable(true);
+
         UserDao dao = DaoFactory.getInstance().createUserDAO();
         try {
             int id = dao.readUserId(textFieldUsername.getText());
@@ -53,7 +83,7 @@ public class LoginController {
                 handleWrongPasswordOrUsername();
                 return;
             }
-            loginSucessfull = true;
+            user = dao.read(id);
             stage.close();
         } catch (SQLException | NoSuchAlgorithmException exception) {
             exception.printStackTrace();

src/main/resources/de/hitec/nhplus/login/LoginView.fxml

@@ -38,6 +38,7 @@
     </center>
     <bottom>
         <Button
+                fx:id="buttonSubmit"
                 text="Bestätigen"
                 BorderPane.alignment="CENTER"
                 onAction="#handleSubmit"