mainframe.java

使用JavaMail开发的具有发送、接收邮件的应用

/*
 * MainFrame.java
 *
 * Created on 2008年7月23日, 下午5:15
 */

package hjx.recvmail;

import java.awt.Dimension;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.Enumeration;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.DefaultListModel;
import javax.swing.JList;
import javax.swing.JMenuItem;

/**
 *
 * @author  hujx
 */
public class MainFrame extends javax.swing.JFrame {

    private DefaultListModel listModel = new DefaultListModel();
    
    /** Creates new form MainFrame */
    public MainFrame() {
        initComponents();
        
        read();

        JMenuItem menuItem = new JMenuItem("新增Account");
        menuItem.addActionListener(new ActionListener() {

                public void actionPerformed(ActionEvent e) {
                    listModel.addElement(new MailAccount("test"));
                }
            
        });
        jPopupMenu1.add(menuItem);
        
        // Center the dialog at the center of screen
        int nWndWidth = getWidth();
        int nWndHeight = getHeight();
        
        Toolkit kit = Toolkit.getDefaultToolkit();
        Dimension dim = kit.getScreenSize();
        setBounds((dim.width - nWndWidth) / 2, (dim.height - nWndHeight) / 2,
                nWndWidth, nWndHeight);
    }
    
    private void read() {
        try {
            ObjectInputStream in = new ObjectInputStream(new FileInputStream("recvaccount.dat"));

            int i, nCount = in.readInt();
            for (i = 0; i < nCount; i++) {
                MailAccount account = (MailAccount)in.readObject();
                listModel.addElement(account);
            }
            in.close();
        } catch (Exception ex) {
            Logger.getLogger(MainFrame.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    private void save() {
        try {
            ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream("recvaccount.dat"));
            out.writeInt(listModel.getSize());
            Enumeration accounts = listModel.elements();
            while (accounts.hasMoreElements())
                out.writeObject(accounts.nextElement());
            out.close();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jPopupMenu1 = new javax.swing.JPopupMenu();
        jSplitPane1 = new javax.swing.JSplitPane();
        jScrollPane1 = new javax.swing.JScrollPane();
        lstAccount = new JList(listModel);
        jPanel1 = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        txtHost = new javax.swing.JTextField();
        jLabel3 = new javax.swing.JLabel();
        txtUserName = new javax.swing.JTextField();
        jLabel4 = new javax.swing.JLabel();
        txtPass = new javax.swing.JPasswordField();
        jButton1 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jSplitPane1.setDividerLocation(100);
        jSplitPane1.setDividerSize(3);
        jSplitPane1.setAutoscrolls(true);

        lstAccount.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                lstAccountMouseClicked(evt);
            }
            public void mouseReleased(java.awt.event.MouseEvent evt) {
                lstAccountMouseReleased(evt);
            }
        });
        lstAccount.addListSelectionListener(new javax.swing.event.ListSelectionListener() {
            public void valueChanged(javax.swing.event.ListSelectionEvent evt) {
                lstAccountValueChanged(evt);
            }
        });
        jScrollPane1.setViewportView(lstAccount);

        jSplitPane1.setLeftComponent(jScrollPane1);

        jLabel1.setText("POP3 host:");

        jLabel3.setText("User Name:");

        jLabel4.setText("Password:");

        jButton1.setText("保存");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addGroup(javax.swing.GroupLayout.Alignment.LEADING, jPanel1Layout.createSequentialGroup()
                                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                                    .addComponent(jLabel4)
                                    .addComponent(jLabel3))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(txtPass, javax.swing.GroupLayout.DEFAULT_SIZE, 268, Short.MAX_VALUE)
                                    .addComponent(txtUserName, javax.swing.GroupLayout.DEFAULT_SIZE, 268, Short.MAX_VALUE)))
                            .addGroup(javax.swing.GroupLayout.Alignment.LEADING, jPanel1Layout.createSequentialGroup()
                                .addComponent(jLabel1)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(txtHost, javax.swing.GroupLayout.DEFAULT_SIZE, 268, Short.MAX_VALUE)))
                        .addGap(28, 28, 28))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                        .addComponent(jButton1)
                        .addGap(18, 18, 18))))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(txtHost, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3)
                    .addComponent(txtUserName, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel4)
                    .addComponent(txtPass, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 254, Short.MAX_VALUE)
                .addComponent(jButton1)
                .addContainerGap())
        );

        jSplitPane1.setRightComponent(jPanel1);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jSplitPane1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 427, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jSplitPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 378, Short.MAX_VALUE)
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

private void lstAccountMouseReleased(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_lstAccountMouseReleased
// TODO add your handling code here:
    if (evt.isPopupTrigger()) {
        Point point = evt.getPoint();

        jPopupMenu1.show(this, point.x, point.y);
    }
}//GEN-LAST:event_lstAccountMouseReleased

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
// TODO add your handling code here:
    if (lstAccount.getSelectedIndex() >= 0) {
        MailAccount  account = (MailAccount) listModel.get(lstAccount.getSelectedIndex());
        account.host = txtHost.getText();
        account.userName = txtUserName.getText();
        account.passWord = String.valueOf(txtPass.getPassword());
    }
    
    lstAccount.repaint();
    
    save();    
}//GEN-LAST:event_jButton1ActionPerformed

private void lstAccountValueChanged(javax.swing.event.ListSelectionEvent evt) {//GEN-FIRST:event_lstAccountValueChanged
// TODO add your handling code here:
    MailAccount  account = (MailAccount) listModel.get(lstAccount.getSelectedIndex());
    txtHost.setText(account.host);
    txtUserName.setText(account.userName);
    txtPass.setText(account.passWord);
}//GEN-LAST:event_lstAccountValueChanged

private void lstAccountMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_lstAccountMouseClicked
// TODO add your handling code here:
    if (!evt.isPopupTrigger() && evt.getClickCount() == 2) {
        MailAccount account = (MailAccount) listModel.get(lstAccount.getSelectedIndex());
        JavaMailFrame mailFrame = new JavaMailFrame(account);
        mailFrame.setVisible(true);
    }
}//GEN-LAST:event_lstAccountMouseClicked


    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JPopupMenu jPopupMenu1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JSplitPane jSplitPane1;
    private javax.swing.JList lstAccount;
    private javax.swing.JTextField txtHost;
    private javax.swing.JPasswordField txtPass;
    private javax.swing.JTextField txtUserName;
    // End of variables declaration//GEN-END:variables

}