package org.argeo.people.e4.parts;
   
   import org.eclipse.jface.viewers.DoubleClickEvent;
   import org.eclipse.jface.viewers.IDoubleClickListener;
   import org.eclipse.jface.viewers.IStructuredSelection;
   
   /**
    * Utility double click listener for a people viewer that displays JCR Rows to
    * easily define which action to process on a double click event.
   */
  abstract class PeopleDoubleClickAdapter implements IDoubleClickListener {
  
  	public void doubleClick(DoubleClickEvent event) {
  		if (event.getSelection() == null || event.getSelection().isEmpty())
  			return;
  		Object obj = ((IStructuredSelection) event.getSelection()).getFirstElement();
  		processDoubleClick(obj);
  	}
  
  	protected abstract void processDoubleClick(Object obj);
  }