package crms.ui;/** CRMS Callback Destination. * Example code to call:<br> * <code>if (parent != null) parent.callback(this, mode, data);</code> */public interface CallbackDestination {	/** Receive a callback event from a component that has set us as the destination.	 * An example is an item or option has been selected from a component.	 * This is intended to decide what to do, return to the parent window with the results or	 * update this window.	 *  	 * @param source	The source CallbackInterface object     * @param mode		Custom value specific to the child window so that it may differentiate different modes at the parent	 * @param data		An object storing some values.  For a selected item, it may be the object that was selected.	 */	public void callback(Object source, int mode, Object data);}