Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.GridLayout;
import java.text.ParseException;

import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFormattedTextField;
import javax.swing.JFrame;
import javax.swing.text.MaskFormatter;

public class Main {
    JFormattedTextField jtf1 = createField();
    JFormattedTextField jtf2 = createField();
    JFormattedTextField jtf3 = createField();
    JFormattedTextField jtf4 = createField();
    JButton reset = new JButton("Reset to Default");
    JComboBox combo = new JComboBox();
    JFrame frame = new JFrame("Text Test");

    public Main() {
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setLocation(150, 150);
        frame.setLayout(new GridLayout(0, 1));
        frame.add(reset);
        frame.add(jtf1);
        frame.add(jtf2);
        frame.add(jtf3);
        frame.add(jtf4);
        frame.add(combo);
        this.initFields();
        reset.addActionListener(e -> {
            initFields();
        });
        for (Edit e : Edit.values()) {
            combo.addItem(e);
        }
        combo.setSelectedIndex(jtf1.getFocusLostBehavior());
        combo.addActionListener(e -> {
            Edit current = (Edit) combo.getSelectedItem();
            jtf1.setFocusLostBehavior(current.getValue());
        });
        frame.pack();
        frame.setVisible(true);
    }

    private void initFields() {
        jtf1.setText("0123456");
        jtf2.setText("01234567");
        jtf3.setText("01234567");
        jtf4.setText("01234567");
    }

    protected JFormattedTextField createField() {
        MaskFormatter formatter = null;
        try {
            formatter = new MaskFormatter("########");
        } catch (ParseException e) {
            e.printStackTrace(System.out);
        }
        JFormattedTextField jtf = new JFormattedTextField(formatter);
        return jtf;
    }

    public static void main(String[] args) {
        Main textTest = new Main();
    }
}

enum Edit {

    COMMIT(JFormattedTextField.COMMIT), COMMIT_OR_REVERT(JFormattedTextField.COMMIT_OR_REVERT), REVERT(
            JFormattedTextField.REVERT), PERSIST(JFormattedTextField.PERSIST);
    private int value;

    private Edit(int n) {
        this.value = n;
    }

    public int getValue() {
        return value;
    }

    public static Edit getEnum(int n) {
        for (Edit e : Edit.values()) {
            if (e.value == n) {
                return e;
            }
        }
        return Edit.COMMIT_OR_REVERT;
    }
}