MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Shell;

public class MainClass {

    public static void main(String[] a) {
        Display d = new Display();
        Shell s = new Shell(d);

        s.setText("A Shell Composite Example");
        GroupExample ge = new GroupExample(s, SWT.SHADOW_ETCHED_IN);
        ge.setLocation(20, 20);

        s.open();
        while (!s.isDisposed()) {
            if (!d.readAndDispatch())
                d.sleep();
        }
        d.dispose();
    }
}

class GroupExample extends Composite {

    final Button b1;

    final Button b2;

    final Button b3;

    public GroupExample(Composite c, int style) {
        super(c, SWT.NO_BACKGROUND);
        this.setSize(110, 75);
        this.setLayout(new FillLayout());
        final Group g = new Group(this, style);
        g.setSize(110, 75);
        g.setText("Options Group");
        b1 = new Button(g, SWT.RADIO);
        b1.setBounds(10, 20, 75, 15);
        b1.setText("Option One");
        b2 = new Button(g, SWT.RADIO);
        b2.setBounds(10, 35, 75, 15);
        b2.setText("Option Two");
        b3 = new Button(g, SWT.RADIO);
        b3.setBounds(10, 50, 80, 15);
        b3.setText("Option Three");
    }

    public String getSelected() {
        if (b1.getSelection())
            return "Option One";
        if (b2.getSelection())
            return "Option Two";
        if (b3.getSelection())
            return "Option Three";
        return "None Selected";
    }
}