login_view.java

很好的Java绘图程序源代码

package project;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
import java.awt.event.KeyEvent;
import java.awt.event.KeyAdapter;
import java.awt.Rectangle;
import java.net.URL;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class Login_View
    extends JDialog {
  URL url;
  JPanel panel1 = new JPanel();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JTextField name_text = new JTextField();
  JPasswordField password_text = new JPasswordField();
  JButton ok_btn = new JButton();
  JButton cancel_btn = new JButton();
  JFrame owner = null;
  JLabel jLabel3 = new JLabel();
  public Login_View(JFrame owner, String title, boolean modal) {
    super(owner, title, modal);
    this.owner = owner;
    try {
      setDefaultCloseOperation(DISPOSE_ON_CLOSE);
      jbInit();
      this.setSize(400,220);
      setPositionOnDesktop();
      this.setVisible(true);
      pack();
    }
    catch (Exception exception) {
      exception.printStackTrace();
    }
  }

  private void setPositionOnDesktop(){
    JFrame temp = this.owner;
    this.setLocation((temp.getSize().width - this.getSize().width)/2+ temp.getLocation().x,(temp.getSize().height - this.getSize().height)/2+temp.getLocation().y);
}

  private void jbInit() throws Exception {
    panel1.setLayout(null);
    jLabel1.setFont(new java.awt.Font("DiaLogin_Viewput", Font.PLAIN, 14));
    jLabel1.setText("登陆名：");
    jLabel1.setBounds(new Rectangle(50, 24, 63, 30));
    jLabel2.setFont(new java.awt.Font("DiaLogin_Viewput", Font.PLAIN, 14));
    jLabel2.setText("密码：");
    jLabel2.setBounds(new Rectangle(50, 72, 61, 30));
    name_text.setBounds(new Rectangle(126, 25, 185, 27));
    name_text.addKeyListener(new Login_View_name_text_keyAdapter(this));
    password_text.setBounds(new Rectangle(126, 73, 185, 27));
    password_text.addKeyListener(new Login_View_password_text_keyAdapter(this));
    ok_btn.setBounds(new Rectangle(60, 133, 109, 33));
    ok_btn.setIcon(null);
    ok_btn.setText("确  定");
    ok_btn.addActionListener(new Login_View_ok_btn_actionAdapter(this));
    cancel_btn.setBounds(new Rectangle(209, 133, 109, 33));
    cancel_btn.setText("取  消");
    cancel_btn.addActionListener(new Login_View_cancel_btn_actionAdapter(this));
    jLabel3.setText("jLabel3");
    jLabel3.setBounds(new Rectangle(97, 192, 42, 15));

    getContentPane().add(panel1);
    panel1.add(jLabel1);
    panel1.add(jLabel2);
    panel1.add(name_text);
    panel1.add(password_text);
    panel1.add(ok_btn);
    panel1.add(cancel_btn);
    panel1.add(jLabel3);
  }

  public void cancel_btn_actionPerformed(ActionEvent e) {
    this.dispose();
  }

  public void set_focus(){
    this.name_text.selectAll();
    this.name_text.requestFocus();
  }
  public void ok_btn_actionPerformed(ActionEvent e) {
    Login_check lch = new Login_check(this.owner,this);
    String pwd = new String(password_text.getPassword());
    lch.check_login(name_text.getText().trim(),pwd);

  }

  public void name_text_keyPressed(KeyEvent e) {
    if(e.getKeyCode()==e.VK_ENTER){
      password_text.requestFocus();
    }
  }

  public void password_text_keyPressed(KeyEvent e) {
    if(e.getKeyCode()==e.VK_ENTER){
      ok_btn.requestFocus();
    }
  }
}

class Login_View_password_text_keyAdapter
    extends KeyAdapter {
  private Login_View adaptee;
  Login_View_password_text_keyAdapter(Login_View adaptee) {
    this.adaptee = adaptee;
  }

  public void keyPressed(KeyEvent e) {
    adaptee.password_text_keyPressed(e);
  }
}

class Login_View_name_text_keyAdapter
    extends KeyAdapter {
  private Login_View adaptee;
  Login_View_name_text_keyAdapter(Login_View adaptee) {
    this.adaptee = adaptee;
  }

  public void keyPressed(KeyEvent e) {
    adaptee.name_text_keyPressed(e);
  }
}

class Login_View_ok_btn_actionAdapter
    implements ActionListener {
  private Login_View adaptee;
  Login_View_ok_btn_actionAdapter(Login_View adaptee) {
    this.adaptee = adaptee;
  }

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

class Login_View_cancel_btn_actionAdapter
    implements ActionListener {
  private Login_View adaptee;
  Login_View_cancel_btn_actionAdapter(Login_View adaptee) {
    this.adaptee = adaptee;
  }

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