orderitempanel.java

航空售票系统的代码

package com.tarena.abs.client;

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

import com.tarena.abs.model.*;

/**
 * 用来显示一个订单项的面板，若干个订单项面板对象添加到
 * 一个OrderFrame中组成一个订单窗口。
 * @author zhoukai
 *
 */
public class OrderItemPanel extends JPanel implements ActionListener{
	private TicketOrder item;//描述的订单项
	private JLabel label1,label2,label3;
	private JButton deleteButton;//删除该订单项的按钮
	
	public OrderItemPanel(TicketOrder  item){
		this.item=item;

		StringBuffer sb1=new StringBuffer();
		Calendar cal = item.getFlight().getCalendar();
		sb1.append(cal.get(Calendar.YEAR)+"年 ");
		sb1.append(cal.get(Calendar.MONTH)+"月 ");
		sb1.append(cal.get(Calendar.DAY_OF_MONTH)+"日");
		sb1.append(item.getFlight().getSch().getFromTime().toString());
		sb1.append("，从 "+item.getFlight().getSch().getFromAddress());
		sb1.append(" 至 "+item.getFlight().getSch().getToAddress());
		sb1.append("("+item.getFlight().getSch().getFlightNumber()+")");
		
		StringBuffer sb2=new StringBuffer();
		sb2.append(item.getF_class().toString()+" ");
		sb2.append(item.getT_type().toString()+" ");
		sb2.append("乘客姓名："+item.getPassengerName()+" ");
		sb2.append("证件号码："+item.getPassengerId());	
		
		label1=new JLabel(sb1.toString());
		label2=new JLabel(sb2.toString());
		label3=new JLabel("票价："+item.getPrice());
		label3.setForeground(Color.RED);
		deleteButton=new JButton("删除");
		
		deleteButton.addActionListener(this);
		
		init();
	}
	
	public void init(){
		GridBagLayout gbl=new GridBagLayout();
		GridBagConstraints constraints=new GridBagConstraints();
		this.setLayout(gbl);
		
		buildConstraints(constraints,0,0,1,1,80,100);
		constraints.fill=GridBagConstraints.NONE;
		constraints.anchor=GridBagConstraints.WEST;
		gbl.setConstraints(label1,constraints);
		this.add(label1);
		
		buildConstraints(constraints,1,0,1,1,20,100);
		constraints.fill=GridBagConstraints.NONE;
		constraints.anchor=GridBagConstraints.WEST;
		gbl.setConstraints(label3,constraints);
		this.add(label3);
		
		buildConstraints(constraints,0,1,1,1,0,100);
		constraints.fill=GridBagConstraints.NONE;
		constraints.anchor=GridBagConstraints.WEST;
		gbl.setConstraints(label2,constraints);
		this.add(label2);
		
		buildConstraints(constraints,1,1,1,1,0,100);
		constraints.fill=GridBagConstraints.NONE;
		constraints.anchor=GridBagConstraints.EAST;
		gbl.setConstraints(deleteButton,constraints);
		this.add(deleteButton);
		
	}
	
	public void actionPerformed(ActionEvent e) {
		ClientMainClass.currentOrderFrame.removeOrderItem(this);
	}

	/**
	 * 该方法为GridBagLayout布局管理器提供每个组件的布局参数。
	 */
	private void buildConstraints(GridBagConstraints cons,int gridx,int gridy,
			int gridwidth,int gridheight,int weightx,int weighty){
		cons.gridx=gridx;
		cons.gridy=gridy;
		cons.gridwidth=gridwidth;
		cons.gridheight=gridheight;
		cons.weightx=weightx;
		cons.weighty=weighty;
	}
	
	public TicketOrder getItem(){
		return item;
	}
}