flowpanel.java

主要功能：对五条道路的车辆进行控制

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package fivestarcross;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
/**
 *
 * @author Administrator
 */
public class FlowPanel extends JPanel{
    public FlowPanel(final MainPanel p,final FlowFrame f){
        thisPanel=this;
        ImageIcon Icon=new ImageIcon(FlowPanel.class.getResource("resource/tip.png"));
        GridBagLayout g=new GridBagLayout();//设置Panel的布局管理器
        setLayout(g);
        String[] name={new String("AB"),new String("AC"),new String("AD"),new String("AE"),
        new String("BA"),new String("BC"),new String("BD"),new String("BE"),
        new String("CA"),new String("CB"),new String("CD"),new String("CE"),
        new String("DA"),new String("DB"),new String("DC"),new String("DE"),
        new String("EA"),new String("EB"),new String("EC"),new String("ED")};        
        GridBagConstraints[] constraints=new GridBagConstraints[41];
        JLabel[] PathName=new JLabel[20];
        int t;
        for(int i=0;i<20;i++){
            constraints[i*2]=new GridBagConstraints();
            PathName[i]=new JLabel(name[i]);
            constraints[i*2].weightx=100;
            constraints[i*2].weighty=100;
            constraints[i*2].gridx=i%4*2;
            constraints[i*2].gridy=i/4;
            add(PathName[i],constraints[i*2]);
            constraints[i*2+1]=new GridBagConstraints();
            if(i%4>=i/4)t=i%4+1;
            else t=i%4;
            flow[i]=new JTextField(Float.toString(p.traffic[i/4][t]),5);
            constraints[i*2+1].weightx=100;
            constraints[i*2+1].weighty=100;
            constraints[i*2+1].gridx=i%4*2+1;
            constraints[i*2+1].gridy=i/4;
            add(flow[i],constraints[i*2+1]);
        }
        
        JLabel tip=new JLabel("请根据右下图标号设置以上车流量，比如AB栏填写从A路到B路的车流量");
        GridBagConstraints constraints0=new GridBagConstraints();
        constraints0.weightx=100;
        constraints0.weighty=100;
        constraints0.gridx=0;
        constraints0.gridy=5;
        constraints0.gridwidth=8;
        constraints0.gridheight=1;
        add(tip,constraints0);
        
        final JCheckBox box=new JCheckBox("根据车流量重新调整红绿灯控制情况");
        GridBagConstraints constraints1=new GridBagConstraints();
        constraints1.weightx=100;
        constraints1.weighty=100;
        constraints1.gridx=3;
        constraints1.gridy=6;
        constraints1.gridwidth=4;
        constraints1.gridheight=1;
        add(box,constraints1);
        
        JButton confirm=new JButton("确定");
        confirm.addActionListener(new ActionListener()
        {
            public void actionPerformed(ActionEvent event)
            {
                float[][] newTraffic=new float[5][5];
                float num;
                int k=0;
                for(int i=0;i<5;i++)
                    for(int j=0;j<5;j++){
                        if(i!=j){
                        try{
                        num=Float.parseFloat(flow[k++].getText());
                        }catch (NumberFormatException e){
                            JOptionPane confirm=new JOptionPane();
                            confirm.showConfirmDialog(thisPanel,"填写不完整或格式错误！","用户确认",JOptionPane.OK_CANCEL_OPTION,JOptionPane.INFORMATION_MESSAGE);
                            return;
                        }
                        if(num<0||num>1000){
                            JOptionPane confirm=new JOptionPane();
                            confirm.showConfirmDialog(thisPanel,"填写不完整或格式错误！","用户确认",JOptionPane.OK_CANCEL_OPTION,JOptionPane.INFORMATION_MESSAGE);
                            return;
                        }
                        newTraffic[i][j]=num;
                        }
                    }
                p.createCar.setTraffic(newTraffic);
                if(box.isSelected()){p.stopPlay();}
                p.setTraffic(newTraffic);
                f.setVisible(false);
            }
        });
        GridBagConstraints constraints2=new GridBagConstraints();
        constraints2.weightx=100;
        constraints2.weighty=100;
        constraints2.gridx=5;
        constraints2.gridy=7;
        
        add(confirm,constraints2);
        
        JButton cancel=new JButton("取消");
        cancel.addActionListener(new ActionListener()
        {
            public void actionPerformed(ActionEvent event)
            {
                f.setVisible(false);
            }
        });
        GridBagConstraints constraints3=new GridBagConstraints();
        constraints3.weightx=100;
        constraints3.weighty=100;
        constraints3.gridx=6;
        constraints3.gridy=7;
        constraints1.gridwidth=2;
        constraints1.gridheight=1;
        add(cancel,constraints3);
        
        JLabel TipIcon=new JLabel(Icon);
        GridBagConstraints constraints4=new GridBagConstraints();
        constraints4.weightx=100;
        constraints4.weighty=100;
        constraints4.gridx=0;
        constraints4.gridy=6;
        constraints4.gridwidth=2;
        constraints4.gridheight=1;
        add(TipIcon,constraints4);
       
    }
    JPanel thisPanel;
    final JTextField[] flow=new JTextField[20];
}