listpanel.java

java私塾里的图书进销存项目的源代码,非常不错,J2SE基础知识复习非常有帮助!

package cn.javass.bookmgr.stock.ui.panels;
import java.awt.*;
import com.borland.jbcl.layout.*;
import javax.swing.*;
import java.awt.event.*;
import cn.javass.bookmgr.MainFrame;
import cn.javass.bookmgr.util.uiutil.ChangePanel;
import java.util.Collection;
import java.util.Iterator;
import cn.javass.bookmgr.stock.valueobject.StockModel;
import java.util.ArrayList;
import cn.javass.bookmgr.stock.business.factory.StockFactory;
/**
 * 库存模块表现层用于显示库存信息的列表Panel
 *
 * <p>Title: Java私塾第一个Java项目——图书进销存系统（单机版）</p>
 * <p>Description: 网址:<a href="http://www.javass.cn">http://www.javass.cn</a>
 * 新电话:[phone]   新地址:北京市海淀区厂洼路5号院深博达商务楼5层</p>
 * <p>Copyright: Copyright (c) 2008</p>
 * <p>Company: Java私塾</p>
 * @author Java私塾
 * @version 1.0
 */
public class ListPanel  extends JPanel {
  //以下为本界面需要的组件定义
  XYLayout xYLayout1 = new XYLayout();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JList jList1 = new JList();
  JButton btn_toSearch = new JButton();
  /**
   * 用来保持对主窗体的引用
   */
  MainFrame mf = null;
  /**
   * 标识是否查询
   */
  boolean isSearch = false;
  /**
   * 用于显示的数据Model的集合
   */
  Collection col = new ArrayList();
  /**
   * 构建显示库存信息的列表Panel
   * @param mf 主窗体的引用
   * @param isSearch 是否查询
   * @param col 查询的结果集合
   */
  public ListPanel(MainFrame mf,boolean isSearch,Collection col) {
    try {
      this.isSearch = isSearch;
      this.col = col;
      this.mf = mf;
      jbInit();
    }
    catch (Exception ex) {
      ex.printStackTrace();
    }
  }
  /**
   * 真正进行组件初始化，并构建整个界面
   * @throws Exception
   */
  void jbInit() throws Exception {
    //1:如果没有查询，那么就获取所有的库存数据
    if(!this.isSearch){
      col = StockFactory.getInstance().createStockEbi().getAll();
    }
    //2:把库存集合数据设置到ListModel中去
    DefaultListModel dm = new DefaultListModel();
    Iterator it = col.iterator();
    while(it.hasNext()){
      StockModel um = (StockModel)it.next();
      dm.addElement(um.toMyString());
    }
    //3:把ListModel设置到组件上进行显示
    this.jList1.setModel(dm);

    jLabel1.setFont(new java.awt.Font("Dialog", 1, 30));
    jLabel1.setText("图书库存列表");
    this.setLayout(xYLayout1);
    jLabel3.setToolTipText("");
    btn_toSearch.setText("查询图书库存");
    btn_toSearch.addActionListener(new ListPanel_btn_toSearch_actionAdapter(this));
    xYLayout1.setWidth(598);
    xYLayout1.setHeight(509);
    this.add(jLabel1, new XYConstraints(111, 21, 308, 48));
    this.add(jLabel3, new XYConstraints(236, 87, 107, 41));
    this.add(jList1, new XYConstraints(26, 79, 428, 232));
    this.add(btn_toSearch,  new XYConstraints(275, 344, 94, 43));
  }

  /**
   * 点击转到查询按钮的事件处理
   * @param e Action事件对象
   */
  void btn_toSearch_actionPerformed(ActionEvent e) {
    ChangePanel.changePanel(this.mf, new SearchPanel(mf));
  }
}
//以下为事件处理中的Adaper类
class ListPanel_btn_toSearch_actionAdapter
    implements java.awt.event.ActionListener {
  ListPanel adaptee;

  ListPanel_btn_toSearch_actionAdapter(ListPanel adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.btn_toSearch_actionPerformed(e);
  }
}