package graphics.api.control;

import javafx.event.EventHandler;

import javafx.beans.property.*;
import javafx.application.Application;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.Group;
import javafx.beans.property.IntegerProperty;
import javafx.beans.property.StringProperty;
import javafx.scene.input.KeyEvent;
import javafx.scene.input.KeyCode;
import javafx.scene.control.*;
import javafx.scene.layout.*;

public class TextBoxCannotbind extends Application {

    boolean flag = true;
    IntegerProperty columns = new SimpleIntegerProperty(5);
    StringProperty text = new SimpleStringProperty("12345");
    TextField TextBox_a = new TextField();
    Stage stage;
    Scene scene;
    FlowPane layout = new FlowPane();

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

    @Override
    public void start(Stage stage) throws Exception {
        float h = 400;
        float w = 400;
        TextBox_a.textProperty().bind(text);
        TextBox_a.prefColumnCountProperty().bind(columns);
        TextBox_a.setEditable(false);
        TextBox_a.setOnKeyPressed(new EventHandler<KeyEvent>() {

            @Override
            public void handle(KeyEvent e) {
                if (e.getCode().equals(KeyCode.LEFT)) {
                    if (flag) {
                        flag = false;
                        text.setValue("123456789012");
                        columns.setValue(12);
                    } else {
                        flag = true;
                        text.setValue("12345");
                        columns.setValue(5);
                    }
                    layout.getChildren().clear();
                    layout.getChildren().addAll(TextBox_a);
                    ((Group) scene.getRoot()).getChildren().clear();
                    ((Group) scene.getRoot()).getChildren().addAll(layout);
                }
            }
        });
        layout.getChildren().clear();
        layout.getChildren().addAll(TextBox_a);
        stage = new Stage();
        scene = new Scene(new Group(), w, h);
        ((Group) scene.getRoot()).getChildren().clear();
        ((Group) scene.getRoot()).getChildren().addAll(layout);
        stage.setScene(scene);
        TextBox_a.requestFocus();
        stage.setVisible(true);
    }
}