test/jdk/java/awt/TextComponent/DisableTest.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/*
 * @test
 * @bug 5042122
 * @summary Verifies the TextComponent is grayed out when disabled
 * @library /java/awt/regtesthelpers
 * @build PassFailJFrame
 * @run main/manual DisableTest
 */

import javax.swing.BoxLayout;
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Component;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.TextArea;
import java.awt.TextField;
import java.awt.event.ActionListener;
import java.util.Vector;
import java.util.Iterator;

public class DisableTest {
    public static void main(String[] args) throws Exception {
        String INSTRUCTIONS = """
                1. Click "Enable" and "Disable" buttons and verify the text
                   components are disabled and enabled correctly.
                2. Verify that the disabled text components are grayed
                   out and are uneditable.
                3. Click PASS or FAIL accordingly.
                """;

        PassFailJFrame.builder()
                .instructions(INSTRUCTIONS)
                .columns(35)
                .testUI(DisableTest::initialize)
                .build()
                .awaitAndCheck();
    }

    public static Frame initialize() {
        Frame frame = new Frame("TextComponent Disabled test");
        frame.setLayout(new BorderLayout());
        frame.setSize(200, 200);
        final Vector comps = new Vector();
        comps.add(new TextField("TextField"));
        TextArea ta = new TextArea("TextArea", 2, 100, TextArea.SCROLLBARS_NONE);
        comps.add(ta);
        Panel pc = new Panel();
        pc.setLayout(new BoxLayout(pc, BoxLayout.Y_AXIS));
        Iterator iter = comps.iterator();
        while (iter.hasNext()) {
            Component c = (Component) iter.next();
            c.setEnabled(false);
            pc.add(c);
        }
        frame.add(pc, BorderLayout.CENTER);
        Panel p = new Panel();
        final Button be = new Button("Enable");
        final Button bd = new Button("Disable");
        p.add(be);
        p.add(bd);
        ActionListener al = ev -> {
            boolean enable = (ev.getSource() == be);
            Iterator iterator = comps.iterator();
            while (iterator.hasNext()) {
                Component c = (Component) iterator.next();
                c.setEnabled(enable);
            }
        };
        be.addActionListener(al);
        bd.addActionListener(al);
        frame.add(p, BorderLayout.SOUTH);
        return frame;
    }
}