package org.opentrafficsim.draw.network;
   
   import java.awt.Color;
   import java.awt.Graphics2D;
   import java.awt.geom.Ellipse2D;
   import java.awt.image.ImageObserver;
   import java.io.Serializable;
   import java.rmi.RemoteException;
   
  import javax.media.j3d.BoundingSphere;
  import javax.media.j3d.Bounds;
  import javax.naming.NamingException;
  
  import org.djutils.logger.CategoryLogger;
  import org.opentrafficsim.core.network.Node;
  import org.opentrafficsim.draw.core.ClonableRenderable2DInterface;
  import org.opentrafficsim.draw.core.TextAlignment;
  import org.opentrafficsim.draw.core.TextAnimation;
  
  import nl.tudelft.simulation.dsol.animation.Locatable;
  import nl.tudelft.simulation.dsol.animation.D2.Renderable2D;
  import nl.tudelft.simulation.dsol.simulators.SimulatorInterface;
  import nl.tudelft.simulation.introspection.DelegateIntrospection;
  import nl.tudelft.simulation.language.d3.DirectedPoint;
  
  /**
   * <p>
   * Copyright (c) 2013-2019 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>
   * $LastChangedDate: 2018-10-11 22:54:04 +0200 (Thu, 11 Oct 2018) $, @version $Revision: 4696 $, by $Author: averbraeck $,
   * initial version Oct 17, 2014 <br>
   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   */
  @SuppressWarnings("rawtypes")
  public class NodeAnimation extends Renderable2D implements ClonableRenderable2DInterface, Serializable
  {
      /** */
      private static final long serialVersionUID = 20140000L;
  
      /** the Text object to destroy when the animation is destroyed. */
      private Text text;
  
      /** Ensure that node animations are slightly above lane surface. */
      public static final double ZOFFSET = 0.01;
  
      /**
       * @param node Node; n
       * @param simulator SimulatorInterface.TimeDoubleUnit; s
       * @throws NamingException when animation context cannot be found.
       * @throws RemoteException on communication failure
       */
      @SuppressWarnings("unchecked")
      public NodeAnimation(final Node node, final SimulatorInterface.TimeDoubleUnit simulator)
              throws NamingException, RemoteException
      {
          super(new ElevatedNode(node), simulator);
          this.text = new Text(node, node.getId(), 0.0f, 3.0f, TextAlignment.CENTER, Color.BLACK, simulator);
      }
  
      /** {@inheritDoc} */
      @Override
      public final void paint(final Graphics2D graphics, final ImageObserver observer)
      {
          graphics.setColor(Color.BLACK);
          graphics.draw(new Ellipse2D.Double(-0.5, -0.5, 1.0, 1.0));
      }
  
      /** {@inheritDoc} */
      @Override
      public final void destroy() throws NamingException
      {
          super.destroy();
          this.text.destroy();
      }
  
      /** {@inheritDoc} */
      @Override
      @SuppressWarnings("checkstyle:designforextension")
      public ClonableRenderable2DInterface clone(final Locatable newSource, final SimulatorInterface.TimeDoubleUnit newSimulator)
              throws NamingException, RemoteException
      {
          // the constructor also constructs the corresponding Text object and ElevatedNode
          return new NodeAnimation((Node) newSource, newSimulator);
      }
  
      /** {@inheritDoc} */
      @Override
      public final String toString()
      {
          return "NodeAnimation [node=" + super.getSource() + "]";
      }
  
      /** Class for elevating the node for animation purposes. */
      public static class ElevatedNode implements Locatable, DelegateIntrospection
      {
          /** the node for introspection. */
          private final Node node;
          
         /** the location of the node to which the animation belongs. */
         private DirectedPoint location;
 
         /** the bounds of the node to which the animation belongs. */
         private Bounds bounds;
 
         /**
          * @param node Node; the node to which the animation belongs
          */
         public ElevatedNode(final Node node)
         {
             super();
             this.node = node;
             try
             {
                 this.location = new DirectedPoint(node.getLocation().x, node.getLocation().y, node.getLocation().z + ZOFFSET);
                 this.bounds = node.getBounds();
             }
             catch (RemoteException exception)
             {
                 CategoryLogger.always().error(exception, "Could not construct elevated node for animation");
                 this.location = new DirectedPoint();
                 this.bounds = new BoundingSphere();
             }
         }
 
         /** {@inheritDoc} */
         @Override
         public DirectedPoint getLocation() throws RemoteException
         {
             return this.location;
         }
 
         /** {@inheritDoc} */
         @Override
         public Bounds getBounds() throws RemoteException
         {
             return this.bounds;
         }
 
         /** {@inheritDoc} */
         @Override
         public Object getParentIntrospectionObject()
         {
             return this.node;
         }
 
     }
 
     /**
      * Text animation for the Node. Separate class to be able to turn it on and off...
      * <p>
      * Copyright (c) 2013-2019 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: 2018-10-11 22:54:04 +0200 (Thu, 11 Oct 2018) $, @version $Revision: 4696 $, 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);
             setFlip(false);
             setRotate(false);
         }
 
         /** {@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 "NodeAnimation.Text []";
         }
     }
 
 }