package org.opentrafficsim.draw.road;
   
   import java.awt.Color;
   import java.awt.Graphics2D;
   import java.awt.image.ImageObserver;
   import java.io.Serializable;
   import java.rmi.RemoteException;
   
   import javax.naming.NamingException;
  
  import org.djunits.unit.LengthUnit;
  import org.djunits.value.vdouble.scalar.Length;
  import org.opentrafficsim.draw.core.ClonableRenderable2DInterface;
  import org.opentrafficsim.draw.core.TextAlignment;
  import org.opentrafficsim.draw.core.TextAnimation;
  import org.opentrafficsim.road.network.lane.object.trafficlight.TrafficLight;
  
  import nl.tudelft.simulation.dsol.animation.Locatable;
  import nl.tudelft.simulation.dsol.simulators.SimulatorInterface;
  
  /**
   * Draw a traffic light on the road at th place where the cars are expected to stop.
   * <p>
   * Copyright (c) 2013-2020 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/docs/license.html">OpenTrafficSim License</a>.
   * <p>
   * @version $Revision: 1401 $, $LastChangedDate: 2015-09-14 01:33:02 +0200 (Mon, 14 Sep 2015) $, by $Author: averbraeck $,
   *          initial version 29 dec. 2014 <br>
   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
   */
  public class TrafficLightAnimation extends AbstractLineAnimation<TrafficLight>
          implements ClonableRenderable2DInterface<TrafficLight>, Serializable
  {
      /** */
      private static final long serialVersionUID = 20160000L;
  
      /** the Text object to destroy when the animation is destroyed. */
      private final Text text;
  
      /**
       * Construct the DefaultCarAnimation for a LaneBlock (road block).
       * @param trafficLight TrafficLight; the CSEBlock to draw
       * @param simulator SimulatorInterface.TimeDoubleUnit; the simulator to schedule on
       * @throws NamingException in case of registration failure of the animation
       * @throws RemoteException on communication failure
       */
      public TrafficLightAnimation(final TrafficLight trafficLight, final SimulatorInterface.TimeDoubleUnit simulator)
              throws NamingException, RemoteException
      {
          super(trafficLight, simulator, 0.9, new Length(0.5, LengthUnit.SI));
  
          this.text = new Text(trafficLight,
                  trafficLight.getLane().getParentLink().getId() + "." + trafficLight.getLane().getId() + trafficLight.getId(),
                  0.0f, (float) getHalfLength() + 0.2f, TextAlignment.CENTER, Color.BLACK, simulator);
      }
  
      /**
       * @return text.
       */
      public final Text getText()
      {
          return this.text;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public final void paint(final Graphics2D graphics, final ImageObserver observer) throws RemoteException
      {
          TrafficLight trafficLight = getSource();
          Color fillColor;
          switch (trafficLight.getTrafficLightColor())
          {
              case RED:
                  fillColor = Color.red;
                  break;
  
              case YELLOW:
                  fillColor = Color.yellow;
                  break;
  
              case GREEN:
                  fillColor = Color.green;
                  break;
  
              default:
                  fillColor = Color.black;
                  break;
          }
  
          // PaintPolygons.paintMultiPolygon(graphics, fillColor, trafficLight.getLocation(), trafficLight.getGeometry(), false);
          graphics.setColor(fillColor);
          super.paint(graphics, observer);
      }
  
      /** {@inheritDoc} */
      @Override
     public final void destroy() throws NamingException, RemoteException
     {
         super.destroy();
         this.text.destroy();
     }
 
     /** {@inheritDoc} */
     @Override
     @SuppressWarnings("checkstyle:designforextension")
     public ClonableRenderable2DInterface<TrafficLight> clone(final TrafficLight newSource,
             final SimulatorInterface.TimeDoubleUnit newSimulator) throws NamingException, RemoteException
     {
         // the constructor also constructs the corresponding Text object
         return new TrafficLightAnimation(newSource, newSimulator);
     }
 
     /** {@inheritDoc} */
     @Override
     public final String toString()
     {
         return "TrafficLightAnimation [getSource()=" + this.getSource() + "]";
     }
 
     /**
      * Text animation for the TrafficLight. Separate class to be able to turn it on and off...
      * <p>
      * Copyright (c) 2013-2020 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/docs/current/license.html">OpenTrafficSim License</a>.
      * </p>
      * $LastChangedDate: 2015-07-24 02:58:59 +0200 (Fri, 24 Jul 2015) $, @version $Revision: 1147 $, by $Author: averbraeck $,
      * initial version Dec 11, 2016 <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 Text extends TextAnimation
     {
         /** */
         private static final long serialVersionUID = 20161211L;
 
         /**
          * @param source Locatable; the object for which the text is displayed
          * @param text String; the text to display
          * @param dx float; the horizontal movement of the text, in meters
          * @param dy float; the vertical movement of the text, in meters
          * @param textPlacement TextAlignment; where to place the text
          * @param color Color; the color of the text
          * @param simulator SimulatorInterface.TimeDoubleUnit; the simulator
          * @throws NamingException when animation context cannot be created or retrieved
          * @throws RemoteException - when remote context cannot be found
          */
         public Text(final Locatable source, final String text, final float dx, final float dy,
                 final TextAlignment textPlacement, final Color color, final SimulatorInterface.TimeDoubleUnit simulator)
                 throws RemoteException, NamingException
         {
             super(source, text, dx, dy, textPlacement, color, simulator, TextAnimation.RENDERALWAYS);
         }
 
         /** {@inheritDoc} */
         @Override
         @SuppressWarnings("checkstyle:designforextension")
         public TextAnimation clone(final Locatable newSource, final SimulatorInterface.TimeDoubleUnit newSimulator)
                 throws RemoteException, NamingException
         {
             return new Text(newSource, getText(), getDx(), getDy(), getTextAlignment(), getColor(), newSimulator);
         }
 
         /** {@inheritDoc} */
         @Override
         public final String toString()
         {
             return "Text []";
         }
     }
 
 }