import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.StackPane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;
import javafx.scene.text.Font;
import javafx.scene.text.Text;
import javafx.scene.control.Button;
import javafx.event.*;

public class Rutenett extends Application {
    private class Ruteknapp extends Button {
        private Ruteknapp(String s) {
            super(s);
            setMaxWidth(50);
            setMaxHeight(50);
            setMinWidth(50);
            setMinHeight(50);
            setStyle("-fx-background-color: white; ");
            setOnMouseEntered((m) -> setStyle("-fx-cursor: hand;"));
            setOnMouseExited((m) -> setStyle("-fx-cursor: pointer; "));
            Knappebehandler behandler = new Knappebehandler();
            setOnAction(behandler);
        }

    }

    class Knappebehandler implements EventHandler<ActionEvent> {
        @Override
        public void handle(ActionEvent e) {
            Ruteknapp ruteknapp = (Ruteknapp) e.getSource();
            ruteknapp.setStyle("-fx-background-color: black;");
        }
    }

    @Override
    public void start(Stage stage) {
        GridPane pane = new GridPane();

        int teller = 1;
        for (int i = 0; i < 6; i++) {
            for (int j = 0; j < 6; j++) {
                Ruteknapp r = new Ruteknapp("" + teller);
                StackPane cell = new StackPane();
                cell.getChildren().add(r);
                pane.add(cell, j, i);

                teller++;
            }
        }
        Scene scene = new Scene(pane);
        stage.setScene(scene);
        stage.setTitle("Rutenett");
        stage.show();
    }

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