69 lines
2.0 KiB
Java
69 lines
2.0 KiB
Java
//: gui/MessageBoxes.java
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// ©2015 MindView LLC: see Copyright.txt
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// Demonstrates JOptionPane.
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.*;
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import static net.mindview.util.SwingConsole.*;
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public class MessageBoxes extends JFrame {
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private JButton[] b = {
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new JButton("Alert"), new JButton("Yes/No"),
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new JButton("Color"), new JButton("Input"),
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new JButton("3 Vals")
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};
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private JTextField txt = new JTextField(15);
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private ActionListener al = e -> {
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String id = ((JButton)e.getSource()).getText();
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switch (id) {
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case "Alert":
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JOptionPane.showMessageDialog(null,
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"There's a bug on you!", "Hey!",
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JOptionPane.ERROR_MESSAGE);
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break;
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case "Yes/No":
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JOptionPane.showConfirmDialog(null,
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"or no", "choose yes",
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JOptionPane.YES_NO_OPTION);
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break;
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case "Color":
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Object[] options = { "Red", "Green" };
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int sel = JOptionPane.showOptionDialog(
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null, "Choose a Color!", "Warning",
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JOptionPane.DEFAULT_OPTION,
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JOptionPane.WARNING_MESSAGE, null,
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options, options[0]);
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if(sel != JOptionPane.CLOSED_OPTION)
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txt.setText("Color Selected: " + options[sel]);
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break;
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case "Input": {
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String val = JOptionPane.showInputDialog(
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"How many fingers do you see?");
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txt.setText(val);
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break;
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}
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case "3 Vals": {
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Object[] selections = {"First", "Second", "Third"};
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Object val = JOptionPane.showInputDialog(
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null, "Choose one", "Input",
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JOptionPane.INFORMATION_MESSAGE,
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null, selections, selections[0]);
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if(val != null)
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txt.setText(val.toString());
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break;
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}
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}
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};
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public MessageBoxes() {
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setLayout(new FlowLayout());
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for(JButton b1 : b) {
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b1.addActionListener(al);
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add(b1);
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}
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add(txt);
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}
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public static void main(String[] args) {
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run(new MessageBoxes(), 200, 200);
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}
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} ///:~
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