/**
* Sets the strategy.
*
* @param strategy the strategy to set
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the strategy is null
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
@SuppressWarnings("null")
public void setStrategy(AbstractGroupStrategy strategy) {
checkWidget();
if (strategy == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
this.strategy = strategy;
setForeground(null);
strategy.initialize(this);
}
