Shows an editable option dialog box. - Java Swing

Java examples for Swing:JOptionPane

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Description

Shows an editable option dialog box.

Demo Code


import javax.swing.*;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkEvent.EventType;
import javax.swing.event.HyperlinkListener;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
import java.net.URL;
import java.util.Arrays;

public class Main{
    /**//w  w w  .  ja  va  2 s . c o m
     * Shows an editable option dialog box.
     * The window title is "Input".
     *
     * @param prompt         the string to prompt the user with
     * @param possibleValues array of options to display
     * @return the toString()ed item the user selected, or whatever was typed in
     */
    public static String showOptionInputDialog(final String prompt,
            final Object[] possibleValues) {
        return showOptionInputDialog("Input", prompt, possibleValues,
                possibleValues[0]);
    }
    /**
     * Shows an editable option dialog box.
     * The window title can be specified.
     *
     * @param title          window title
     * @param prompt         the string to prompt the user with
     * @param possibleValues array of options to display
     * @return the toString()ed item the user selected, or whatever was typed in
     */
    public static String showOptionInputDialog(final String title,
            final String prompt, final Object[] possibleValues) {
        return showOptionInputDialog(title, prompt, possibleValues,
                possibleValues[0]);
    }
    /**
     * Shows an editable option dialog box.
     * The window title can be specified.
     *
     * @param title          window title
     * @param prompt         the string to prompt the user with
     * @param possibleValues array of options to display
     * @param defaultValue   the initial contents of the combobox
     * @return the toString()ed item the user selected, or whatever was typed in
     */
    public static String showOptionInputDialog(final String title,
            final String prompt, final Object[] possibleValues,
            final Object defaultValue) {
        return showOptionInputDialog(parent, title, prompt, possibleValues,
                defaultValue);
    }
    /**
     * Shows an editable option dialog box.
     * The window title can be specified.
     *
     * @param parent         the parent for the dialog
     * @param title          window title
     * @param prompt         the string to prompt the user with
     * @param possibleValues array of options to display
     * @param defaultValue   the initial contents of the combobox
     * @return the toString()ed item the user selected, or whatever was typed in
     */
    public static String showOptionInputDialog(final Component parent,
            final String title, final String prompt,
            final Object[] possibleValues, final Object defaultValue) {
        final JComboBox box = new JComboBox(possibleValues);
        box.setEditable(true);
        box.setSelectedItem(defaultValue);
        JOptionPane pane = new JOptionPane(new Object[] { prompt, box },
                JOptionPane.QUESTION_MESSAGE, JOptionPane.OK_CANCEL_OPTION);
        pane.setWantsInput(false);
        JDialog dialog = pane.createDialog(parent, title);
        dialog.pack();
        dialog.setVisible(true);
        Integer value = (Integer) pane.getValue();
        if (value == null || value.intValue() == JOptionPane.CANCEL_OPTION
                || value.intValue() == JOptionPane.CLOSED_OPTION) {
            return null;
        }
        return box.getSelectedItem().toString();
    }
}

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