code: private void editCell( Cell cell )
  	{
  		if( cell == null || cell == editedCell )
  			return;
  		
  		T record = getRecordForRow( cell.getParentRow() );
  		if( record == null )
  			return;
  		
  		registerCurrentEdition( cell, record );
  	}
docs: Begin cell edition
  
  @param cell