GettingJOptionPaneSelectionDemo.java Source code

Introduction

Here is the source code for GettingJOptionPaneSelectionDemo.java

Source

import javax.swing.JDialog;
import javax.swing.JOptionPane;

public class GettingJOptionPaneSelectionDemo {

    public static void main(String[] a) {

        String multiLineMsg[] = { "Hello,", "World" };
        JOptionPane pane = new JOptionPane();
        pane.setMessage(multiLineMsg);
        JDialog d = pane.createDialog(null, "title");
        d.setVisible(true);
        int selection = getSelection(pane);

        switch (selection) {
        case JOptionPane.OK_OPTION:
            System.out.println("OK_OPTION");
            break;
        case JOptionPane.CANCEL_OPTION:
            System.out.println("CANCEL");
            break;
        default:
            System.out.println("Others");
        }

    }

    public static int getSelection(JOptionPane optionPane) {
        int returnValue = JOptionPane.CLOSED_OPTION;

        Object selectedValue = optionPane.getValue();
        if (selectedValue != null) {
            Object options[] = optionPane.getOptions();
            if (options == null) {
                if (selectedValue instanceof Integer) {
                    returnValue = ((Integer) selectedValue).intValue();
                }
            } else {
                for (int i = 0, n = options.length; i < n; i++) {
                    if (options[i].equals(selectedValue)) {
                        returnValue = i;
                        break; // out of for loop
                    }
                }
            }
        }
        return returnValue;
    }

}