RowChangeListener.java

package au.com.vaadinutils.crud;

import com.vaadin.addon.jpacontainer.EntityItem;



public interface RowChangeListener<ENTITY>
{
	/**
	 * Called when a user attempts to change the current row.
	 * Return false to stop the user selecting a new row.
	 * @param variables 
	 * @param source 
	 * @param rowChangeCallback 
	 * @return
	 */
	void allowRowChange( RowChangeCallback rowChangeCallback);

	/**
	 * Called to inform the listener that a new row has been selected and it the
	 * new row contains the given item.
	 * @param item
	 * @return
	 */
	void rowChanged(EntityItem<ENTITY> entityItem);
}