package helloworld;

import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

import javafx.scene.control.ComboBox;
import javafx.scene.control.TextField;

public class HelloComboBoxJc extends Application {

    private final ObservableList<String> strings = FXCollections.observableArrayList(
            "Option 1", "Option 2", "Option 3");
    private int nb = 0;

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

    @Override
    public void start(Stage stage) {
        stage.setTitle("ComboBox");

        final TextField textField = new TextField("test");
        textField.setOnAction(new EventHandler<ActionEvent>() {

            public void handle(ActionEvent t) {
                try {
                double val = Double.parseDouble(textField.getText());
                    if (val > 10) {
                        textField.setText("too big !");
                    }
                } catch (Exception ex) {
                    // not a number
                }
            }
        });
//        textField.focusedProperty().addListener(new ChangeListener<Boolean>() {
//
//            public void changed(ObservableValue<? extends Boolean> ov, Boolean oldVal, Boolean newVal) {
//                if (!newVal) {
//                    textField.selectAll();
//                }
//            }
//        });
        
//        textField.textProperty().addListener(new ChangeListener<String>() {
//
//            public void changed(ObservableValue<? extends String> ov, String t, String t1) {
//                if (t1.endsWith("end")) {
//                    textField.selectAll();
//                }
//            }
//        });
        
        final ComboBox<String> comboBox1 = new ComboBox<String>();
        comboBox1.setId("comboBox-editable");
        comboBox1.setItems(strings);
        comboBox1.setEditable(true);
        comboBox1.setPrefWidth(100);
        comboBox1.setValue(strings.get(0));
        comboBox1.setPromptText("Empty");
//        TextField comboBoxEditor = comboBox1.getEditor();
//        comboBoxEditor.setId("editor");
//        comboBoxEditor.setText("Init value");
//        comboBoxEditor.setPromptText("Empty");
//        comboBox1.valueProperty().addListener(new ChangeListener<String>() {
//
//            @Override
//            public void changed(ObservableValue ov, String t, String t1) {
//                System.out.println("new value: " + t1);
//            }
//        });
        
        comboBox1.setOnAction(new EventHandler<ActionEvent>() {

            public void handle(ActionEvent t) {
                System.out.println("New value (from getEditor) : " + comboBox1.getEditor().getText());
                System.out.println("New value (from getValue) : " + comboBox1.getValue());
                try {
                double val = Double.parseDouble(comboBox1.getValue());
                    if (val > 10) {
                        comboBox1.setValue("too big !");
                    }
                } catch (Exception ex) {
                    // not a number
                }
            }
        });

        Button changeButton = new Button("Set value");
        changeButton.setOnAction(new EventHandler<ActionEvent>() {

            public void handle(ActionEvent t) {
                comboBox1.setValue("" + nb);
//                comboBox1.getEditor().setText("" + nb++);
//                comboBox1.getEditor().selectAll();
                textField.setText("" + nb);
//                textField.selectAll();
               nb++;
            }
        });

        Button prompTextButton = new Button("Set promptText");
        prompTextButton.setOnAction(new EventHandler<ActionEvent>() {

            public void handle(ActionEvent t) {
                comboBox1.setPromptText("Enter a value");
                textField.setPromptText("Enter a value");
            }
        });

        Button selectButton = new Button("Select");
        selectButton.setOnAction(new EventHandler<ActionEvent>() {

            public void handle(ActionEvent t) {
                comboBox1.getEditor().selectAll();
                textField.selectAll();
            }
        });

        VBox vbox = new VBox(20);
        vbox.setLayoutX(40);
        vbox.setLayoutY(25);

        vbox.getChildren().addAll(textField, comboBox1, changeButton, prompTextButton, selectButton);
        Scene scene = new Scene(new Group(vbox), 620, 400);

        stage.setScene(scene);
        stage.show();

    }
}