force radio behavior on two different composites
/*
* Composite example snippet: force radio behavior on two different composites
*
* For a list of all SWT example snippets see
* http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
*/
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.RowLayout;
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;
public class Snippet115 {
public static void main (String [] args) {
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 ());
final Composite [] composites = new Composite [] {c1, c2};
Listener radioGroup = new 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 (child instanceof Button) {
Button button = (Button) child;
if ((button.getStyle () & SWT.RADIO) != 0) button.setSelection (false);
}
}
}
Button button = (Button) event.widget;
button.setSelection (true);
}
};
for (int i=0; i<4; i++) {
Button button = new Button (c1, SWT.RADIO);
button.setText ("Button " + i);
button.addListener (SWT.Selection, radioGroup);
}
for (int i=0; i<4; i++) {
Button button = new Button (c2, SWT.RADIO);
button.setText ("Button " + (i + 4));
button.addListener (SWT.Selection, radioGroup);
}
shell.pack ();
shell.open ();
while (!shell.isDisposed()) {
if (!display.readAndDispatch ()) display.sleep ();
}
display.dispose ();
}
}
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