superclass-app/src/main/java/net/altimate/app/App.java

package net.altimate.app;
import java.lang.Object;
import java.lang.Class;
import java.time.format.DateTimeFormatter;
import java.util.Arrays;

import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.event.Event;
import javafx.event.EventHandler;
import javafx.geometry.HPos;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Group;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

import static java.util.stream.Collectors.toList;


public class App extends Application {

    Scene sceneHome;
    Scene sceneCreate;
    Scene sceneList;

    public final String  filesDirectory = "/tmp/files";





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



    @Override
    public void start(Stage primaryStage) throws Exception {
        //GridPane grid = new GridPane();
        //grid.setPadding(new Insets(10, 10, 10, 10));
        //grid.setVgap(5);
        //grid.setHgap(5);

        //Start = new Scene(grid, 600, 300);

        setupSceneList(primaryStage);
        setupSceneHome(primaryStage);
        setupSceneCreate(primaryStage);


        primaryStage.setTitle("Work out a S.M.A.R.T. Target ");
        primaryStage.setScene(sceneHome);
        primaryStage.show();
    }


    private void navigationButtons(Stage primaryStage, GridPane grid, Label label) {

        boolean reloadValue = false;

        Button home = new Button("Home");
        GridPane.setConstraints(home, 0, 0);
        home.setOnAction(e -> primaryStage.setScene(sceneHome));
        grid.getChildren().add(home);

        Button create = new Button("Create");
        GridPane.setConstraints(create, 1, 0);
        create.setOnAction(e -> primaryStage.setScene(sceneCreate));
        grid.getChildren().add(create);

        Button list = new Button("List");
        GridPane.setConstraints(list, 2, 0);
        //list.setOnAction(e -> primaryStage.setScene(sceneList));
        grid.getChildren().add(list);

        list.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent e) {
                primaryStage.setScene(sceneList);
            }
        });

    }
// grid, textfieldname , textfield, TextPrefColumnCount, rowColumn, rowIndex
    private void addTextfield(GridPane grid, String textFieldName, String textFieldText, int prefColumnCount, int rowColumn, int rowIndex) {


        final TextField nameSmartZiel = new TextField();
        nameSmartZiel.setPromptText(textFieldText);
        nameSmartZiel.setPrefColumnCount(1);
        GridPane.setConstraints(nameSmartZiel,rowColumn,rowIndex);
        grid.getChildren().add(nameSmartZiel);

        }



    public void setupSceneHome(Stage primaryStage) throws Exception {
        GridPane grid = new GridPane();
        grid.setPadding(new Insets(10, 10, 10, 10));
        grid.setVgap(5);
        grid.setHgap(5);

        sceneHome = new Scene(grid, 600, 300);

        Label label = new Label("This is the Home Scene");

        navigationButtons(primaryStage, grid, label);

        //Button button = new Button("Forward");
        //button.setOnAction(e -> primaryStage.setScene(sceneList));

        //TextField text = new TextField();
        //text.setMaxWidth(100);

        //layout.getChildren().addAll(label1, button);

    }

    public void setupSceneCreate(Stage primaryStage) throws Exception {
        GridPane grid = new GridPane();
        grid.setPadding(new Insets(10, 10, 10, 10));
        grid.setVgap(5);
        grid.setHgap(5);

        sceneCreate = new Scene(grid, 600, 300);


        Label label = new Label();

        navigationButtons(primaryStage, grid, label);

        DatePicker checkInDatePicker;
        checkInDatePicker  = new DatePicker();


        final TextField nameSmartZiel = new TextField();
        nameSmartZiel.setPromptText("Gib dm Smart Ziel einen Namen");
        nameSmartZiel.setPrefColumnCount(1);
        GridPane.setConstraints(nameSmartZiel,0,1);
        grid.getChildren().add(nameSmartZiel);

        final TextField sinnesSpezifisch = new TextField();
        sinnesSpezifisch.setPromptText("wie ist es sinnespezifisch wahrnehmbar");
        sinnesSpezifisch.setPrefColumnCount(1);
        //sinnesSpezifisch.getText();
        GridPane.setConstraints(sinnesSpezifisch, 0, 2);
        grid.getChildren().add(sinnesSpezifisch);

        final TextField messBar = new TextField();
        messBar.setPrefColumnCount(20);
        messBar.setPromptText("Wie ist es messabr, wenn Du es erreicht hat");
        GridPane.setConstraints(messBar, 0, 3);
        grid.getChildren().add(messBar);

        final TextField attraktiv = new TextField();
        attraktiv.setPrefColumnCount(20);
        attraktiv.setPromptText("Ist es  attraktiv?");
        GridPane.setConstraints(attraktiv, 0, 4);
        grid.getChildren().add(attraktiv);

        final TextField realistisch = new TextField();
        realistisch.setPrefColumnCount(20);
        realistisch.setPromptText("Ist es realistisch selbst erreichbar ?");
        GridPane.setConstraints(realistisch, 0, 5);
        grid.getChildren().add(realistisch);


        final Label checkInlabel = new Label("Terminiert bis");
        grid.add(checkInlabel, 0, 6);
        grid.add(checkInDatePicker, 0, 7);

        Button submit = new Button("Submit");
        GridPane.setConstraints(submit, 0, 8);
        grid.getChildren().add(submit);

        Button clear = new Button("Clear");
        GridPane.setConstraints(clear, 1, 8);
        grid.getChildren().add(clear);

        submit.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent e) {
                if (
                        (nameSmartZiel.getText() != null && !nameSmartZiel.getText().isEmpty())
                                && (sinnesSpezifisch.getText() != null && !sinnesSpezifisch.getText().isEmpty())
                                && (messBar.getText() != null && !messBar.getText().isEmpty())
                                && (attraktiv.getText() != null && !attraktiv.getText().isEmpty())
                                && (realistisch.getText() != null && !realistisch.getText().isEmpty())
                ) {
                    label.setText( nameSmartZiel.getText() + " " + sinnesSpezifisch.getText() + " " +
                            messBar.getText() + " " + attraktiv.getText() + " " + realistisch.getText() + ", "
                            + "thanks" + checkInDatePicker.getValue());
                    String date = checkInDatePicker.getValue().format(DateTimeFormatter.ofPattern("dd.MM.yyyy"));

                    String[] createSmart = {
                        nameSmartZiel.getText() + "|" +
                        sinnesSpezifisch.getText() + "|" +
                        messBar.getText() + "|" +
                        attraktiv.getText() + "|" +
                        realistisch.getText() + "|" +
                        date
                    };

                    long seconds = System.currentTimeMillis() / 1000l;
                    CreateFile.writeFile(filesDirectory + "/" + seconds + ".smart", createSmart);

                } else {
                    label.setText("You have not filed out the complete form");
                }
            }
        });

        clear.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent e) {
                nameSmartZiel.clear();
                sinnesSpezifisch.clear();
                messBar.clear();
                attraktiv.clear();
                realistisch.clear();
                checkInlabel.setText(null);
                label.setText(null);
            }
        });





        //addTextfield(grid, "sinnesSpezifisch", "blash", 1, 1, 1);
        //Button button = new Button("Home");
        //button.setOnAction(e -> primaryStage.setScene(sceneHome));
        //TextField text = new TextField();
        //text.setMaxWidth(100);
        //layout.getChildren().addAll(label1, button);

    }



    public void setupSceneList(Stage primaryStage) throws Exception {


        GridPane grid = new GridPane();
        grid.setPadding(new Insets(10, 10, 10, 10));
        grid.setVgap(5);
        grid.setHgap(5);

        //layout.setAlignment(Pos.CENTER);

        sceneList = new Scene(grid, 600, 300);

        Label label = new Label();

        navigationButtons(primaryStage, grid, label);

        Button reload = new Button("Reload");
        GridPane.setConstraints(reload, 1, 8);
        grid.getChildren().add(reload);

        reload.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent e) {


                //System.out.println(Arrays.stream(ListFilesInDir.listFilesInDir(filesDirectory)).toList());
                int filesDirTmpLength = ListFilesInDir.listFilesInDir(filesDirectory).length;
                String filesDirTmp[] = new String[filesDirTmpLength];
                filesDirTmp = ListFilesInDir.listFilesInDir(filesDirectory);
                String filesDir[][] = new String[filesDirTmpLength][filesDirTmpLength];


                for ( int i=0;  i < filesDirTmpLength; ++i) {
                    filesDir[i][0] = filesDirTmp[i];
                    String readTheFile = filesDirectory + "/" + filesDirTmp[i];
                    filesDir[i][1] = ReadFile.readFile(filesDirectory + "/" + filesDirTmp[i]);
                    //filesDir[0][i] = ReadFile.readFile(filesDirTmp[i]);
                    //ReadFile.readFile(filesDirTmp[i]);


                    System.out.println("da: " + filesDir[i][0]);
                    System.out.println("da tmp: " + filesDir[i][1]);
                    System.out.println(i);
                    //System.out.println("inhalt file: " + filesDir[i][i]);

                }
                //System.out.println(ReadFile.readFile("/tmp/files/123.smart"));
                //ReadFile.readFile("/tmp/files/123.smart");

                //System.out.println("dada: " + filesDirTmp[0]);

                //filesDirTmp = Arrays.copyOf(ListFilesInDir.listFilesInDir(filesDirectory), ListFilesInDir.listFilesInDir(filesDirectory).length);
                        //new String[ListFilesInDir.listFilesInDir(filesDirectory).length][ListFilesInDir.listFilesInDir(filesDirectory).length];


                //filesDir[][] = ListFilesInDir.listFilesInDir(filesDirectory);
                //System.out.println(filesDir.length);





                ListView<String> list1 = new ListView<String>();
                ObservableList<String> items = FXCollections.observableArrayList (ListFilesInDir.listFilesInDir(filesDirectory));
                list1.setItems(items);
                GridPane.setConstraints(list1, 0, 1);
                grid.getChildren().add(list1);

                //String fileName = "/tmp/files/1735938766.smart";
                //ReadFile.readFile(fileName);

                //System.out.println(ReadFile.readFile(fileName));

                }
        });



        //ListFilesInDir.listFilesInDir(filesDirectory);
        //ListView<String> list1 = new ListView<String>();
        //ObservableList<String> items = FXCollections.observableArrayList (ListFilesInDir.listFilesInDir(filesDirectory));
        //list1.setItems(items);
        //GridPane.setConstraints(list1, 0, 1);
        //grid.getChildren().add(list1);


        //Button button = new Button("Backward");
        //button.setOnAction(e -> primaryStage.setScene(sceneHome));

        //TextField text = new TextField();
        //text.setMaxWidth(100);

        //grid.getChildren().addAll(label, button);



    }

}