main_frame.java

java编写的最短路径算法

package user_interface;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JToggleButton;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.geom.Point2D;
import javax.swing.*;


import java.util.*;


public class Main_Frame extends JFrame{
	private JFrame parentWin;
	public Main_Frame() {
		super("Welcome to ASRS");
		setSize(Constant.frameWidth, Constant.frameHeight);
		
		//set the background
		((JPanel)this.getContentPane()).setOpaque(false); 
		ImageIcon img = new ImageIcon("BG.jpg"); 
		JLabel background = new JLabel(img); 
		this.getLayeredPane().add(background, new Integer(Integer.MIN_VALUE)); 
		background.setBounds(0, 0, img.getIconWidth(),img.getIconHeight());
		
		setVisible(true);
		addButton();
		repaint();
	} 
	public void paint(Graphics g) {
		super.paint(g);
		//g.setColor(Color.gray);
		
	}
	public void addButton() {
		final JLabel label = new JLabel();
		JToggleButton jb=new JToggleButton();
		jb.setText("Inventory Check");
		jb.setBounds(new Rectangle(Constant.frameWidth/2-Constant.boxWidth/2, Constant.frameHeight/2-Constant.boxHeight/2, Constant.boxWidth,
				Constant.boxHeight));
		jb.setToolTipText("Check inventory in selected way.");
		
		parentWin=this;
		this.getContentPane().add(jb);
		this.getContentPane().add(label);
		jb.setVisible(true);
		jb.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent event){
			InvCheck invcheck=new InvCheck();
     
		}}
		);
		
		JToggleButton jbb=new JToggleButton();
		jbb.setText("Inventory I/O");
		jbb.setBounds(new Rectangle(Constant.frameWidth/2-Constant.boxWidth/2, Constant.frameHeight/2+Constant.buttonClearance+Constant.boxHeight/2, Constant.boxWidth,
				Constant.boxHeight));
		jbb.setToolTipText("Deposit or retrieve freight from inventory.");
		
		this.getContentPane().add(jbb);
		this.getContentPane().add(label);
		jbb.setVisible(true);
		jbb.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent event){
            String information=JOptionPane.showInputDialog("To see next brance!Y/N?");
            label.setText(information);
     
		}}
		);
		
//		Button Back
		JToggleButton jbbb=new JToggleButton();
		jbbb.setText("Quit");
		jbbb.setBounds(new Rectangle(Constant.frameWidth/2-Constant.boxWidth/2, Constant.frameHeight/2+Constant.boxHeight/2*3+2*Constant.buttonClearance, Constant.boxWidth,
				Constant.boxHeight));
		jbbb.setToolTipText("Back.");

		this.getContentPane().add(jbbb);
			
		
		jbbb.setVisible(true);
		jbbb.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent event){
				parentWin.dispose();
		}}
		
		);

		

	}
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		Main_Frame trytry=new Main_Frame(); 
		
	}

}