113 lines
3.5 KiB
Java
113 lines
3.5 KiB
Java
package client.view;
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import client.Client;
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import client.service.ChatSender;
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import client.service.LocalData;
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import client.view.login.*;
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import client.view.util.DesignToken;
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import server.serveice.Wrapper;
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.WindowAdapter;
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import java.awt.event.WindowEvent;
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/**
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* 登录页面，用于完成用户账户登录的功能，作为一个独立的页面，登录完成之后将自动关闭，并开启主界面
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*/
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public class LoginPage extends JFrame {
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private static volatile LoginPage INSTANCE;
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// 获取登录页面实例，使用单例模式确保全局唯一性
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public static LoginPage get() {
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if (INSTANCE == null) {
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synchronized (LoginPage.class) {
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if (INSTANCE == null) {
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INSTANCE = new LoginPage();
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}
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}
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}
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return INSTANCE;
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}
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// 交替展示两个窗口，分别用于进行注册和登录操作。
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private SignInView signInView;
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private SignUpView signUpView;
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private LoginPage() {
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setTitle("欢迎来到本地网聊天室！");
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setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
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setSize(DesignToken.LOGIN_WIDTH, DesignToken.LOGIN_HEIGHT);
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setLocationRelativeTo(null);
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addWindowListener(new WindowAdapter() {
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@Override
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public void windowClosing(WindowEvent e) {
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// 如果链接上了，发出退出信息
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if (Client.isConnected()) {
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ChatSender.addMsg(Wrapper.logoutRequest(LocalData.get().getId()));
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}
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super.windowClosing(e);
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// 如果未登录，则直接退出。
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if (LocalData.get().getId().length() == 0) {
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System.exit(0);
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}
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}
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});
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signInView = new SignInView(this);
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signUpView = new SignUpView(this);
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// 默认为登录
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exchangeToSignInView();
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}
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// 更换到注册界面
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public void exchangeToSignUpView() {
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this.remove(signInView);
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this.add(signUpView, BorderLayout.CENTER);
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this.validate();
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this.repaint();
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}
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// 更换到登录界面
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public void exchangeToSignInView() {
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this.remove(signUpView);
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this.add(signInView, BorderLayout.CENTER);
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this.validate();
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this.repaint();
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}
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// 打开主界面，并关闭本界面
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public void openMainPage() {
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// 创建新窗口
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MainPage.get().setVisible(true);
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// 关闭当前窗口
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this.dispose();
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}
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public void showMsgDialog(String text) {
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JDialog inviteDialog = new JDialog(this, "信息", true);
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inviteDialog.setSize(300, 200);
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inviteDialog.setLocationRelativeTo(this);
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// 设置对话框内容
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String htmlText = "<html><body style='width: 210px; padding: 10px;'>" + text + "</body></html>";
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JLabel label = new JLabel(htmlText, SwingConstants.CENTER);
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JButton closeBtn = new JButton("确定");
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closeBtn.addActionListener(e -> inviteDialog.dispose());
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JPanel panel = new JPanel(new BorderLayout());
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JPanel centerPanel = new JPanel(new FlowLayout());
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centerPanel.add(label);
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panel.add(centerPanel, BorderLayout.CENTER);
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panel.add(closeBtn, BorderLayout.SOUTH);
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inviteDialog.add(panel);
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// 显示对话框（会阻塞主窗口交互）
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inviteDialog.setVisible(true);
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}
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} |