/*******************************************************************************
 * Copyright (c) 2000, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 * D Port:
 *     Thomas Demmer <t_demmer AT web DOT de>
 *******************************************************************************/
module org.eclipse.swt.snippets.Snippet115;

/*
 * Composite example snippet: force radio behavior on two different composites
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.layout.RowLayout;

import java.lang.all;

void main () {
    Display display = new Display ();
    Shell shell = new Shell (display);
    shell.setLayout (new RowLayout (SWT.VERTICAL));
    Composite c1 = new Composite (shell, SWT.BORDER | SWT.NO_RADIO_GROUP);
    c1.setLayout (new RowLayout ());
    Composite c2 = new Composite (shell, SWT.BORDER | SWT.NO_RADIO_GROUP);
    c2.setLayout (new RowLayout ());
    Composite [] composites = [c1, c2];
    Listener radioGroup = new class Listener{
        public void handleEvent (Event event) {
            for (int i=0; i<composites.length; i++) {
                Composite composite = composites [i];
                Control [] children = composite.getChildren ();
                for (int j=0; j<children.length; j++) {
                    Control child = children [j];
                    if (cast(Button)child !is  null) {
                        Button button = cast(Button) child;
                        if ((button.getStyle () & SWT.RADIO) != 0) button.setSelection (false);
                    }
                }
            }
            Button button = cast(Button) event.widget;
            button.setSelection (true);
        }
    };
    for (int i=0; i<4; i++) {
        Button button = new Button (c1, SWT.RADIO);
        button.setText (Format("Button {}",i));
        button.addListener (SWT.Selection, radioGroup);
    }
    for (int i=0; i<4; i++) {
        Button button = new Button (c2, SWT.RADIO);
        button.setText (Format("Button {}",(i + 4)));
        button.addListener (SWT.Selection, radioGroup);
    }
    shell.pack ();
    shell.open ();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch ()) display.sleep ();
    }
    display.dispose ();
}