package org.opentrafficsim.draw.gtu;
   
   import java.awt.Color;
   import java.awt.Font;
   import java.awt.Graphics2D;
   import java.awt.image.ImageObserver;
   import java.rmi.RemoteException;
   import java.util.Map;
   
  import javax.naming.NamingException;
  
  import org.djutils.draw.point.OrientedPoint3d;
  import org.djutils.logger.CategoryLogger;
  import org.opentrafficsim.core.geometry.DirectedPoint;
  import org.opentrafficsim.draw.core.TextAlignment;
  import org.opentrafficsim.draw.core.TextAnimation;
  import org.opentrafficsim.road.gtu.generator.GtuGeneratorQueue;
  
  import nl.tudelft.simulation.dsol.animation.Locatable;
  import nl.tudelft.simulation.dsol.simulators.SimulatorInterface;
  import nl.tudelft.simulation.dsol.simulators.SimulatorInterface.TimeDoubleUnit;
  
  /**
   * Animator that displays generation queues as numbers.
   * <p>
   * Copyright (c) 2013-2022 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="http://opentrafficsim.org/node/13">OpenTrafficSim License</a>.
   * <p>
   * @version $Revision$, $LastChangedDate$, by $Author$, initial version 28 dec. 2017 <br>
   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
   * @author <a href="http://www.transport.citg.tudelft.nl">Wouter Schakel</a>
   */
  public class GtuGeneratorQueueAnimation extends TextAnimation
  {
  
      /** */
      private static final long serialVersionUID = 20181018L;
  
      /** Default font. */
      private static final Font FONT = new Font("SansSerif", Font.PLAIN, 4);
  
      /**
       * Constructor.
       * @param source GTUGenerator; generator
       * @param simulator SimulatorInterface.TimeDoubleUnit; simulator
       * @throws NamingException when animation context cannot be created or retrieved
       * @throws RemoteException when remote context cannot be found
       */
      public GtuGeneratorQueueAnimation(final GtuGeneratorQueue source, final SimulatorInterface.TimeDoubleUnit simulator)
              throws NamingException, RemoteException
      {
          super(source, "", 0.0f, 0.0f, TextAlignment.CENTER, Color.BLACK, simulator, TextAnimation.RENDERWHEN1);
      }
  
      /** {@inheritDoc} */
      @Override
      public void paint(final Graphics2D graphics, final ImageObserver observer)
      {
          try
          {
              graphics.setColor(Color.BLACK);
              graphics.setFont(FONT);
              OrientedPoint3d p = (OrientedPoint3d) getSource().getLocation();
              Map<DirectedPoint, Integer> map = ((GtuGeneratorQueue) getSource()).getQueueLengths();
              for (DirectedPoint lanePosition : map.keySet())
              {
                  setText(map.get(lanePosition).toString());
                  setXY((float) (lanePosition.x - p.x), (float) (lanePosition.y - p.y));
                  super.paint(graphics, observer);
              }
          }
          catch (RemoteException exception)
          {
              CategoryLogger.always().warn(exception);
          }
      }
  
      /** {@inheritDoc} */
      @Override
      public TextAnimation clone(final Locatable newSource, final TimeDoubleUnit newSimulator)
              throws RemoteException, NamingException
      {
          return new GtuGeneratorQueueAnimation((GtuGeneratorQueue) newSource, newSimulator);
      }
  
  }