MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.accessibility.AccessibleContext;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class MainClass extends JFrame implements ActionListener {
    JButton jb;

    MainClass(String title) {
        super(title);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        AccessibleContext ac = getAccessibleContext();
        ac.setAccessibleDescription("Accessibility Demo1 description.");

        ac = getRootPane().getAccessibleContext();
        ac.setAccessibleName("Root pane");
        ac.setAccessibleDescription("Root pane description");

        ac = getGlassPane().getAccessibleContext();
        ac.setAccessibleName("Glass pane");
        ac.setAccessibleDescription("Glass pane description");

        ac = getLayeredPane().getAccessibleContext();
        ac.setAccessibleName("Layered pane");
        ac.setAccessibleDescription("Layered pane description");

        ac = getContentPane().getAccessibleContext();
        ac.setAccessibleName("Content pane");
        ac.setAccessibleDescription("Content pane description");

        JPanel p = new JPanel();
        ac = p.getAccessibleContext();
        ac.setAccessibleName("Panel");
        ac.setAccessibleDescription("Panel description");

        jb = new JButton("Press Me");
        jb.addActionListener(this);
        jb.setToolTipText("Press me for accessibility information.");
        p.add(jb);

        getContentPane().add(p);

        setSize(200, 75);
        setVisible(true);
    }

    public void actionPerformed(ActionEvent e) {
        dumpInfo(getAccessibleContext());
    }

    void dumpInfo(AccessibleContext ac) {
        System.out.println("Name = " + ac.getAccessibleName());
        System.out.println("Description = " + ac.getAccessibleDescription());

        int nChildren = ac.getAccessibleChildrenCount();

        for (int i = 0; i < nChildren; i++)
            dumpInfo(ac.getAccessibleChild(i).getAccessibleContext());
    }

    public static void main(String[] args) {
        new MainClass("Accessibility Demo1");
    }
}