helpmain.java

自己用Java写的记事本加聊天的集成软件。方便大家的使用。

package main;
import java.awt.*;

import javax.swing.border.*;
import java.net.*;
import javax.swing.*;

import java.awt.event.*;

public class HelpMain extends JDialog{
	/**
	 * 关于菜单
	 */
	JPanel titlePanel = new JPanel();
	JPanel contentPanel = new JPanel();
	JPanel closePanel = new JPanel();

	JButton close = new JButton();
	JLabel title = new JLabel("MyNotePad帮助");
	JTextArea help = new JTextArea(); 

	Color bg = new Color(255,255,255);

	public HelpMain(JFrame frame) {
		super(frame, true);
		try {
			jbInit();
		}
		catch (Exception e) {
			e.printStackTrace();
		}
//		设置窗口大小
		Dimension faceSize = new Dimension(300, 450);
		this.setSize(faceSize);
		//设置窗口位置
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		this.setLocation( (int) (screenSize.width - faceSize.getWidth())/ 2,
				 (int) (screenSize.height - faceSize.getHeight()) / 2);
		this.setResizable(false);
	}

	private void jbInit() throws Exception {		
		this.setTitle("MyNotePad帮助");
		
		titlePanel.setBackground(bg);;
		contentPanel.setBackground(bg);
		closePanel.setBackground(bg);
		
		help.setText("一、菜单栏：\n 1、File\n       New：创建新文件；\n       Open：打开相应文件；\n       Save：保存文件；\n       Save As：另存文件到指定目录；\n       Exit：退出MyNotePad。\n" +
				" 2、Edit\n       Copy：复制所选取的文字；\n       Cut：剪切所选取的文字；\n       Paste：粘贴所选取的文字；\n       Always on top：将此窗口置顶；\n       Auto change line：自动换行。\n"+
				" 3、Format\n       Font：设置文本的字体；\n       Color：设置文本的颜色；\n       Background：设置文本背景颜色。\n"+
				" 4、Chat\n       ChatServer：启动聊天工具服务端；\n       ChatClient：启动聊天工具客户端。\n"+
				" 5、Help\n       Help：打开帮助窗口。\n"+
				" 6、About\n       About MyNotePad：打开关于窗口。\n"
			+"二、快捷工具栏：\n 1、New：创建新文件；\n 2、Open：打开指定文件；\n 3、Save：保存文件；\n 4、Server：启动聊天工具服务端；\n 5、Client：启动聊天工具客户端。\n"
		);
		help.setEditable(false);
		help.setCaretPosition(0);

		titlePanel.add(new Label("              "));
		titlePanel.add(title);
		titlePanel.add(new Label("              "));

		contentPanel.add(help);

		closePanel.add(new Label("              "));
		closePanel.add(close);
		closePanel.add(new Label("              "));

		Container contentPane = getContentPane();		
		contentPane.setLayout(new BorderLayout());
		contentPane.add(titlePanel, BorderLayout.NORTH);
		contentPane.add(contentPanel, BorderLayout.CENTER);
		contentPane.add(closePanel, BorderLayout.SOUTH);
		JScrollPane panel = new JScrollPane(help,
				ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
				ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
		
		
		contentPane.add(panel,BorderLayout.CENTER);

		close.setText("关闭");
		//事件处理
		close.addActionListener(
			new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					dispose();
				}
			}
		);
	}
}