package sopraFx.extended.view;

import javafx.fxml.FXML;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.event.ActionEvent;
import javafx.scene.control.TextField;


public class SimpleSceneView {
    @FXML
    private TextField databasename;
    @FXML
    private TextField username;
    @FXML
    private TextField password;




    public String getDatabaseName(){
        return  databasename.getText();
    }

    public String getUsername(){
        return username.getText();
    }

    public String getPassword(){
        return password.getText();
    }

    public String pressButton(){
        return getPassword();
    }

}

package sopraFx.extended;

import sopraFx.extended.controller.SimpleController;
import javafx.application.Application;
import javafx.stage.Stage;


public class Extended extends Application{

	public static void main(String[] args) {
		launch(args);
	}

	@Override
	public void start(Stage primaryStage) throws Exception {
		SimpleController controller = new SimpleController();
		controller.displaySceneOn(primaryStage);
	}

}

<?xml version="1.0" encoding="UTF-8"?>

<?import javafx.scene.control.Button?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.control.PasswordField?>
<?import javafx.scene.control.TextField?>
<?import javafx.scene.layout.ColumnConstraints?>
<?import javafx.scene.layout.GridPane?>
<?import javafx.scene.layout.RowConstraints?>
<?import javafx.scene.text.Font?>

<GridPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="645.0" xmlns="http://javafx.com/javafx/8.0.112" xmlns:fx="http://javafx.com/fxml/1" fx:controller="sopraFx.extended.view.SimpleSceneView">
    <columnConstraints>
        <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
    </columnConstraints>
    <rowConstraints>
        <RowConstraints maxHeight="266.0" minHeight="10.0" prefHeight="266.0" vgrow="SOMETIMES" />
    </rowConstraints>
    <children>
        <Label text="AUTHOR TOOL" translateX="250.0" translateY="-110.0">
            <font>
                <Font size="24.0" />
            </font>
        </Label>
        <TextField fx:id="databasename" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="27.0" prefWidth="200.0" snapToPixel="false" translateX="175.0" translateY="-50.0" />
        <Label maxHeight="-Infinity" maxWidth="-Infinity" text="Databasename:" translateX="65.0" translateY="-50.0" />
        <Label maxHeight="-Infinity" maxWidth="-Infinity" text="Username:" translateX="90.0" />
        <TextField fx:id="username" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="27.0" prefWidth="200.0" translateX="175.0" />
        <Label maxHeight="-Infinity" maxWidth="-Infinity" text="Password:" translateX="94.0" translateY="50.0" />
        <PasswordField fx:id="password" maxHeight="-Infinity" maxWidth="-Infinity" prefHeight="27.0" prefWidth="200.0" translateX="175.0" translateY="50.0" />
        <Button fx:id="loginButton" maxHeight="-Infinity" maxWidth="-Infinity" mnemonicParsing="false" text="Login" translateX="174.0" translateY="100.0" />
    </children>
</GridPane>

package sopraFx.extended.controller;

import sopraFx.extended.view.SimpleSceneView;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
import sopraFx.simple.view.SimpleScene;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class SimpleController {

	private SimpleSceneView view;
	private Parent scene;

	public SimpleController(){
//		this.scene = new SimpleScene();
		FXMLLoader loader = new FXMLLoader();
		loader.setLocation(getClass().getResource("../view/SimpleScene.fxml"));
		try {
			scene = loader.load();
		} catch (IOException e) {
			e.printStackTrace();
		}
		view = loader.getController();

		initialize();
	}

	public void displaySceneOn(Stage stage){
		stage.setTitle("SoPra JavaFX");
		stage.setScene(new Scene(scene, 600, 400));
		stage.show();
	}

	private void initialize(){
	//	view.getBtn().setOnAction( (event) -> view.getLabel().setText(getDateTime()) );
	}

	private String getDateTime(){
		return new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss").format(new Date());
	}

	public String getDatabaseName(){
		return view.getDatabaseName();
	}

	public String getUsername(){
		return view.getUsername();
	}

	public String getPassword(){
		return view.getPassword();
	}


}