guide.java

该程序实现公园导游功能

/*
 * @(#)Guide.java 1.0 06/04/08
 *
 * You can modify the template of this file in the
 * directory ..\JCreator\Templates\Template_1\Project_Name.java
 *
 * You can also create your own project template by making a new
 * folder in the directory ..\JCreator\Template\. Use the other
 * templates as examples.
 *
 */
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
public class Guide extends JFrame implements ActionListener{
	private JButton buttonStart,buttonFlush,buttonShowBestPath;
	private JComboBox from,to;
	private PictruePanel pictruePanel;
   	private JTextArea text;
	public Guide()
   	{
   		buttonStart=new JButton("start");
   		buttonFlush=new JButton("flush");
   		buttonShowBestPath =new JButton("show hole path");
   		pictruePanel=new PictruePanel();
   	    pictruePanel.setBackground(Color.white);
   	    pictruePanel.setBorder(new TitledBorder("show map"));
   	    text=new JTextArea();
   	    text.setPreferredSize(new Dimension(180,200));
   		from=new JComboBox();
   		to=new JComboBox();
   		text.setText("Welcome to beihai park,\n and this application will \n performance as your guide\nwhile traveling"
   		             +"It has two buttons \n'from' and 'to' from\nwhich you can choose\n your present"
   		             +"location \nand you destination,then \nclick start,the map will\nshow you the best way\n"
   		             +"The flush button \nwill show you the original\nmap and the last button\nwill show you the best\nway to travel"
   		             +"from the entrance\nand then go through all\npoints and end your\ntrip at the exit"
   		             +"Wish you have a \ngood time");
   	    
   	    for(int i=0;i<15;i++)
   		{
   		   from.addItem(pictruePanel.name[i]);
   		   to.addItem(pictruePanel.name[i]);	
   			
   		}
   		JPanel p1=new JPanel();
        p1.setLayout(new FlowLayout());
        p1.add(new JLabel("from"));
        p1.add(from);
        p1.add(new JLabel("to"));
        p1.add(to);
        p1.add(buttonStart);
        p1.add(buttonFlush);
        p1.add(buttonShowBestPath);
		LineBorder bord1=new LineBorder(Color.BLACK,2);
		p1.setBorder(bord1);
		getContentPane().setLayout(new BorderLayout());
        getContentPane().add(p1,BorderLayout.SOUTH);
        getContentPane().add(pictruePanel,BorderLayout.CENTER);
        getContentPane().add(text,BorderLayout.EAST);
        buttonStart.addActionListener(this);
        buttonFlush.addActionListener(this);
        buttonShowBestPath.addActionListener(this);
     }
      public void actionPerformed(ActionEvent e)
      {
      	
      	if(e.getSource()==buttonStart)
      		pictruePanel.drawpath(from.getSelectedIndex(),to.getSelectedIndex());
      	else if(e.getSource()==buttonFlush)
      		pictruePanel.flush();
      	else if(e.getSource()==buttonShowBestPath)
      	{
      		pictruePanel.drawholepath();
      	}
      		StringBuffer string=new StringBuffer("the hole path:\n"); 
      		AllPath allpath=pictruePanel.allpath;
      		if(allpath==null)
      		  return;
      		Path path=allpath.firstPath;
      		Node node;
      		while(path!=null)
      		{    node=path.head;
      		     string.append("\nPATH:\n");
      		    while(node!=null)
      		   { string.append(pictruePanel.name[node.point]+"-->\n");
      	         node=node.next;
      		   }
      		   path=path.nextPath;
            }
      		
      		text.setText(string.toString());
      		text.repaint();
      }
      public static void main(String[] args)
      {
      	Guide guide=new Guide();
      	guide.setTitle("guide in the park");
      	guide.setBounds(80,80,750,600);
      	guide.setVisible(true);
      }
     	
	
}