package votorola.s.gwt.stage.vote; // Copyright 2012, Michael Allan.  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Votorola Software"), to deal in the Votorola Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of the Votorola Software, and to permit persons to whom the Votorola Software is furnished to do so, subject to the following conditions: The preceding copyright notice and this permission notice shall be included in all copies or substantial portions of the Votorola Software. THE VOTOROLA SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE VOTOROLA SOFTWARE OR THE USE OR OTHER DEALINGS IN THE VOTOROLA SOFTWARE.

import com.google.gwt.core.client.*;
import votorola.a.count.gwt.*;


/** A {@linkplain VoteTrack#peers() board of peers} in a vote track.  It differs in the
  * handling of the mosquito when the board is {@linkplain
  * #enable(CountNodeJS,JsArray,boolean) enabled}.
  */
public final class PeerBoard extends Board
{


    /** Constructs a PeerBoard.
      */
    PeerBoard( VoteTrack track ) { super( track ); }



   // ------------------------------------------------------------------------------------


    /** @param mosquito the mosquito, or null to retain the current mosquito.  Once the
      *   peer board is enabled with a mosquito, it cannot be re-enabled without one; the
      *   mosquito can only be replaced by another.  This is to allow a mosquito that is
      *   unstaged (e.g. when its node view is deselected) to easily be restaged.
      */
    @Override void enable( CountNodeJS mosquito, final JsArray<CountNodeJS> nodes,
      final boolean isEndBoard )
    {
        if( mosquito == null ) mosquito = mosquitoLast;
        else mosquitoLast = mosquito;
        super.enable( mosquito, nodes, isEndBoard );
    }



//// P r i v a t e ///////////////////////////////////////////////////////////////////////


    private CountNodeJS mosquitoLast;


}