animatedpanel.java

用java模拟的电梯程序,可以选择有几层楼,一共有几个人在哪几层等电梯,可以不断的增加等电梯的人数,并看电梯如何以设定的方式运行.

package com.Anance.elevator.view;

import java.awt.*;
import java.util.*;
import javax.swing.*;

public class AnimatedPanel extends MovingPanel {
   private boolean animating;
   private int animationRate;
   private int animationRateCounter;
   private boolean cycleForward = true;
   private ImageIcon imageIcons[];
   private java.util.List frameSequences;
   private int currentAnimation;
   private boolean loop;
   private boolean displayLastFrame;
   private int currentFrameCounter;

   public AnimatedPanel( int identifier, String imageName[] )
   {
      super( identifier, imageName[0] );
      imageIcons = new ImageIcon[ imageName.length ];
      for ( int i = 0; i < imageIcons.length; i++ ) {
         imageIcons[i] = new ImageIcon( 
            getClass().getResource( imageName[i] ) );
      }
      frameSequences = new ArrayList();
   } 

   public void animate()
   {super.animate();
      if ( frameSequences != null && isAnimating() ) {
         if ( animationRateCounter > animationRate ) {
            animationRateCounter = 0;
            determineNextFrame();
         }
         else
            animationRateCounter++;
      }
   } 

   private void determineNextFrame()
   { int frameSequence[] = 
         ( int[] ) frameSequences.get( currentAnimation );
      if ( currentFrameCounter >= frameSequence.length ) {
         currentFrameCounter = 0;
         if ( !isLoop() ) {
            setAnimating( false );
            if ( isDisplayLastFrame() )
               currentFrameCounter = frameSequence.length - 1;
         }
      }
      setCurrentFrame( frameSequence[ currentFrameCounter ] );
      currentFrameCounter++;
   } 

   public void addFrameSequence( int frameSequence[] )
   {      frameSequences.add( frameSequence );   }

   public boolean isAnimating()
   {      return animating;   }

   public void setAnimating( boolean animate )
   {      animating = animate;}

   public void setCurrentFrame( int frame )
   {      setIcon( imageIcons[ frame ] ); }

   public void setAnimationRate( int rate )
   {      animationRate = rate;}

   public int getAnimationRate()
   {      return animationRate;}

   public void setLoop( boolean loopAnimation  )
   {      loop = loopAnimation;}
  
   public boolean isLoop()
   {      return loop;}

   private boolean isDisplayLastFrame()
   {      return displayLastFrame;}

   public void setDisplayLastFrame( boolean displayFrame )
   {      displayLastFrame = displayFrame;}

   public void playAnimation( int frameSequence )
   {
      currentAnimation = frameSequence;
      currentFrameCounter = 0;
      setAnimating( true );
   }
}