commoneditor.java

参考了JAVA方面MIS系统开发的书籍做的一个 电力收费的系统,包里面是可以直接运行的JAR文件了...SRC是源文件可一些需要的包...数据库是用的MSQLserver2000,"java程序数据

import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import edu.njust.cs.*;
public abstract class CommonEditor extends JDialog implements ActionListener{	
	Insets insets=new Insets(2,2,2,2);
	int actionCode=EditorAction.CANCEL;	
	JButton btnPre=new JButton("上一个");
	JButton btnNext=new JButton("下一个");							  
	JButton btnOk=new JButton("确定");
	JButton btnCancel=new JButton("取消");
	JTable table=null;
	public CommonEditor(MainApp f,String title,boolean b,JTable t){
		super(f,title,b);
		table=t;
		//注册事件侦听器
		btnOk.addActionListener(this);
		btnCancel.addActionListener(this);
		btnPre.addActionListener(this);
		btnNext.addActionListener(this);	
		btnOk.setIcon(new ImageIcon("image/ok20.gif"));
		btnCancel.setIcon(new ImageIcon("image/cancel20.gif"));
		btnPre.setIcon(new ImageIcon("image/pre20.gif"));
		btnNext.setIcon(new ImageIcon("image/next20.gif"));
		btnNext.setHorizontalTextPosition(SwingConstants.LEFT);		
		this.getRootPane().setDefaultButton(btnOk);
		//面板ap中显示4个按钮
		JPanel ap=new JPanel();
		ap.setLayout(new GridBagLayout());
		LayoutUtil.add(ap,GridBagConstraints.NONE,
					   GridBagConstraints.CENTER,0,0,0,0,1,1,this.btnPre,insets);
		LayoutUtil.add(ap,GridBagConstraints.NONE,
					   GridBagConstraints.CENTER,0,0,1,0,1,1,this.btnNext,insets);
		LayoutUtil.add(ap,GridBagConstraints.HORIZONTAL,
					   GridBagConstraints.CENTER,100,0,2,0,1,1,new JLabel(),insets);
		LayoutUtil.add(ap,GridBagConstraints.NONE,
					   GridBagConstraints.CENTER,0,0,3,0,1,1,this.btnOk,insets);
		LayoutUtil.add(ap,GridBagConstraints.NONE,
					   GridBagConstraints.CENTER,0,0,4,0,1,1,this.btnCancel,insets);
		getContentPane().add(ap,BorderLayout.SOUTH);
		this.setResizable(false);
		this.addWindowListener(new WindowAdapter(){
			public void  windowClosing(WindowEvent e){
				actionCode=EditorAction.CLOSE;
			}
			});			
	}
	public void setPreNextButton(String s){
		//在增加模式下前后移动按钮置为不可用
		//编辑模式下，可以将前后移动按钮置为可用
		if(s.equals("新增")) {
			btnPre.setEnabled(false);
			btnNext.setEnabled(false);
		}			
		else	initEditor();
	}
	public abstract void initEditor();
	public abstract void okClicked();
	public void actionPerformed(ActionEvent e){
			Object s=e.getSource();
			if(s==this.btnCancel){
				this.actionCode=EditorAction.CANCEL;
				this.setVisible(false);
			}
			else if(s==this.btnOk)  okClicked();
			else if(s==this.btnPre){
				int selected=table.getSelectedRow();		
				selected--;
				if(selected>=0&&selected<table.getModel().getRowCount()){
					table.changeSelection(selected,0,false,false);
					initEditor();
				}
			}
			else if(s==this.btnNext){
				int selected=table.getSelectedRow();		
				selected++;
				if(selected>=0&&selected<table.getModel().getRowCount()){
					table.changeSelection(selected,0,false,false);
					initEditor();
				}
			}	
		}	
}