previewemailpanel.java

Java邮箱

package Email.awt.net;

import java.awt.*;
import java.awt.event.*;
import Email.net.*;
import Email.awt.*;

//浏览当前邮件模板
public class PreviewEmailPanel extends OutlinedPanel {
  private TextField from;
  private TextField to;
  private TextField subject;
  private TextField attachment;
  private TextArea  contents;
  
  private Label fromLabel;
  private Label toLabel;
  private Label subjectLabel;
  private Label attachmentLabel;

  //当前邮件面板初始化
  private void init(int rows, int cols) {
    GridBagLayout gridBag = new GridBagLayout();
    GridBagConstraints c = new GridBagConstraints();
    setLayout(gridBag);

    c.fill = GridBagConstraints.BOTH;
    c.insets = new Insets(1,2,1,2);
    c.weightx = 0.0;
    gridBag.setConstraints( fromLabel = new Label("From: "), c );
    add(fromLabel);

    from = new TextField();
    from.setEditable(false);
    c.weightx = 1.0;
    gridBag.setConstraints(from,c);
    add(from);

    c.gridwidth = GridBagConstraints.RELATIVE;
    c.weightx = 0.0;
    gridBag.setConstraints(toLabel = new Label("To: "), c);
    add(toLabel);

    to = new TextField();
    to.setEditable(false);
    c.gridwidth = GridBagConstraints.REMAINDER;
    c.weightx = 1.0;
    gridBag.setConstraints(to,c);
    add(to);

    c.gridwidth = 1;
    c.weightx = 0.0;
    gridBag.setConstraints( subjectLabel = new Label("Subject: "), c );
    add( subjectLabel );

    subject = new TextField();
    subject.setEditable(false);
    c.gridwidth = GridBagConstraints.REMAINDER;
    c.weightx = 1.0;
    gridBag.setConstraints(subject,c);
    add(subject);

    c.gridwidth = 1;
    c.weightx = 0.0;
    gridBag.setConstraints( attachmentLabel = new Label("Attachment: "), c );
    add( attachmentLabel );

    attachment = new TextField();
    attachment.setEditable(false);
    //c.gridwidth = GridBagConstraints.REMAINDER;
    c.weightx = 1.0;
    gridBag.setConstraints(attachment,c);
    add(attachment);
    
    c.gridwidth = GridBagConstraints.REMAINDER;
    c.weightx = 1.0;
    Button saveAs = new Button("Save As..");  //附件另存
    
    saveAs.addActionListener
      (
        new ActionListener() {
          public void actionPerformed( ActionEvent e ){
          	 //在此设置选择对话框	 
          	 Frame f;
             FileDialog fd; 
             f = new Frame("FileDialog Example");
		     fd = new FileDialog( f,"FileDialog",FileDialog.SAVE ); 
		     fd.setSize(350,150);
		     fd.setVisible(true);
		     //attachment.setText( fd.getDirectory() + fd.getFile() );  
             }
            
        }
      );
       
    saveAs.setSize(1,1);
	gridBag.setConstraints( saveAs,c );
	add( saveAs );
    
   
    contents = new TextArea(rows,cols);
    contents.setEditable(false);
    c.gridwidth = GridBagConstraints.REMAINDER;
    c.weighty = 1.0;
    gridBag.setConstraints(contents,c);
    add(contents);
  }

  public void addNotify() {
    super.addNotify();
    Font f = fromLabel.getFont();
    fromLabel.setFont( new Font( fromLabel.getName(),Font.BOLD,f.getSize() ) );
    f = toLabel.getFont();
    toLabel.setFont( new Font( toLabel.getName(),Font.BOLD,f.getSize() ) );
    f = subjectLabel.getFont();
    subjectLabel.setFont( new Font( subjectLabel.getName(),Font.BOLD,f.getSize() ) );
    f = attachmentLabel.getFont();
    attachmentLabel.setFont( new Font( attachmentLabel.getName(),Font.BOLD,f.getSize() ) );
  }

  //显示当前邮件信息
  public void preview(Email email) {
  	//设置邮件发邮件地址，接收地址和内容
    if (email == null)
      email = new Email();
    from.setText( email.getFrom() );
    to.setText( email.getToAsString() );
    subject.setText( email.getSubject() );
    contents.setText( email.getBodyAsString() );
  }

  public PreviewEmailPanel(int rows, int cols) {
    super("Preview");
    init(rows,cols);
  }

  public PreviewEmailPanel(int rows, int cols, Email email) {
    super("Preview");
    init(rows,cols);
    preview(email);
  }

/*
  public static void main(String[] args) {
    WinFrame f = new WinFrame
      (
        "PreviewEmailPanel Demo",new PreviewEmailPanel
          (4,50,
            new Email
              (
                "From: [e-mail] \n" +
                "To: [e-mail]\n" +
                "Subject: Hello!"
              )
          )
      ).appMainWindow();
    f.pack();
    f.setVisible(true);
  }
*/
}