composeconfigdialog.java

一个用java写的mail.里面的代码值得我们去研究！学习。

/*
** $Id: ComposeConfigDialog.java,v 1.4 2001/05/07 12:37:21 kunugi Exp $
**
** Copyright (c) 2000-2001 Jeff Gay
** on behalf of ICEMail.org <http://www.icemail.org>
** Copyright (c) 1998-2000 by Timothy Gerard Endres
** 
** This program is free software.
** 
** You may redistribute it and/or modify it under the terms of the GNU
** General Public License as published by the Free Software Foundation.
** Version 2 of the license should be included with this distribution in
** the file LICENSE, as well as License.html. If the license is not
** included with this distribution, you may find a copy at the FSF web
** site at 'www.gnu.org' or 'www.fsf.org', or you may write to the
** Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139 USA.
**
** THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY OF ANY KIND,
** NOT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY. THE AUTHOR
** OF THIS SOFTWARE, ASSUMES _NO_ RESPONSIBILITY FOR ANY
** CONSEQUENCE RESULTING FROM THE USE, MODIFICATION, OR
** REDISTRIBUTION OF THIS SOFTWARE. 
** 
*/

package org.icemail.mail;

import java.awt.Container;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Frame;
import java.awt.Insets;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JLabel; 
import javax.swing.JButton; 
import javax.swing.JDialog; 
import javax.swing.JTextField; 
import javax.swing.JTree; 
import javax.swing.JScrollPane; 
import javax.swing.JCheckBox; 
import javax.swing.JPanel; 

import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;

import javax.swing.border.EmptyBorder;
import javax.swing.border.TitledBorder;

import javax.swing.tree.DefaultMutableTreeNode; 
import javax.swing.tree.DefaultTreeModel; 
import javax.swing.tree.TreePath; 

import org.icemail.util.AWTUtilities; 
import org.icemail.util.ComponentFactory; 
import org.icemail.util.JFCUtilities; 
import org.icemail.util.UserProperties; 


/**
 * A dialog which allows the composition options to be configured.
 * The options are stored as part of the configuration properties.
 *
 * @see Configuration
 */
public class ComposeConfigDialog
  extends JDialog
{
  private JTextField             compositionsPath_;
  private JTextField             sentPath_;
  private JTree                  tree_;
  private ITreeSelectionListener treeListener_ = new ITreeSelectionListener();
  private JTextField             replyPrefix_;
  private JTextField             replyEnclosure_;
  private JTextField             forwardPrefix_;
  private JTextField             forwardEnclosure_;
  private JCheckBox              forwardAttachments_;


  /**
   * Construct a dialog for configuring composition options.
   *
   * @param parent parent frame to return to after disposed
   */
  public
  ComposeConfigDialog( Frame parent ) {
    super( parent, true );

    establishContents();
    pack();

    Dimension sz = getSize();
    int w = UserProperties.getProperty( "composeConfigDialog.width", sz.width );
    int h = UserProperties.getProperty( "composeConfigDialog.height", sz.height );
    setSize( w, h );

    setLocation( AWTUtilities.computeDialogLocation( this ) );

    addWindowListener( new IWindowAdapter() );
  }

  /**
   * Dispose of the dialog and any allocated resources.
   * <p>
   * Implementation of java.awt.Window.dispose()
   */
  public void
  dispose() {
    compositionsPath_ = null;
    sentPath_ = null;
    tree_ = null;
    replyPrefix_ = null;
    replyEnclosure_ = null;
    forwardPrefix_ = null;
    forwardEnclosure_ = null;
    forwardAttachments_ = null;

    super.dispose();
  }

//............................................................

  /**
   * Establish the contents of the dialog from bundled resources.
   */
  private void
  establishContents() {
    setTitle( ICEMail.getBundle().getString( "ConfigComposition.Title" ) );

    Container cont = getContentPane();
    cont.setLayout( new GridBagLayout() );

    ActionListener xactionListener = new IActionListener();

    int row = 0;
    String xtext = null;
    JLabel lbl;

    JPanel rPan = new JPanel();
    rPan.setLayout( new GridBagLayout() );
    rPan.setBorder(
      new TitledBorder( ICEMail.getBundle().getString( "ConfigComposition.Reply.title" ) ) );
    AWTUtilities.constrain( cont, rPan, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.CENTER, 0, row++, 1, 1, 1.0, 0.0 );

    int rRow = 0;

    lbl = ComponentFactory.getLabel( ICEMail.getBundle(), "ConfigComposition.ReplyPrefix" );
    AWTUtilities.constrain( rPan, lbl, GridBagConstraints.NONE,
                            GridBagConstraints.NORTHEAST, 0, rRow, 1, 1, 0.0, 0.0,
                            new Insets( 0, 2, 0, 4 ) );

    replyPrefix_ = ComponentFactory.getTextField( ICEMail.getBundle(),
                                                  "ConfigComposition.ReplyPrefix",
                                                  null );
    AWTUtilities.constrain( rPan, replyPrefix_, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.NORTHEAST, 1, rRow++, 2, 1, 1.0, 0.0 );

    xtext = UserProperties.getProperty( Configuration.P_COMPOSE_REPLY_PREFIX, null );
    replyPrefix_.setText( xtext );

    lbl = ComponentFactory.getLabel( ICEMail.getBundle(), "ConfigComposition.ReplyEnclose" );
    AWTUtilities.constrain( rPan, lbl, GridBagConstraints.NONE,
                            GridBagConstraints.NORTHEAST, 0, rRow, 1, 1, 0.0, 0.0,
                            new Insets( 0, 2, 0, 4 ) );

    replyEnclosure_ = ComponentFactory.getTextField( ICEMail.getBundle(),
                                                     "ConfigComposition.ReplyEnclose",
                                                     null );
    AWTUtilities.constrain( rPan, replyEnclosure_, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.NORTHEAST, 1, rRow++, 2, 1, 1.0, 0.0 );

    xtext = UserProperties.getProperty( Configuration.P_COMPOSE_REPLY_ENCLOSURE, null );
    replyEnclosure_.setText( xtext );

    JPanel fPan = new JPanel();
    fPan.setLayout( new GridBagLayout() );
    fPan.setBorder(
      new TitledBorder( ICEMail.getBundle().getString( "ConfigComposition.Forward.title" ) ) );
    AWTUtilities.constrain( cont, fPan, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.CENTER, 0, row++, 1, 1, 1.0, 0.0 );

    int fRow = 0;

    lbl = ComponentFactory.getLabel( ICEMail.getBundle(), "ConfigComposition.ForwardPrefix" );
    AWTUtilities.constrain( fPan, lbl, GridBagConstraints.NONE,
                            GridBagConstraints.NORTHEAST, 0, fRow, 1, 1, 0.0, 0.0,
                            new Insets( 0, 2, 0, 4 ) );

    forwardPrefix_ = ComponentFactory.getTextField( ICEMail.getBundle(),
                                                    "ConfigComposition.ForwardPrefix",
                                                    null );
    AWTUtilities.constrain( fPan, forwardPrefix_, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.NORTHEAST, 1, fRow++, 2, 1, 1.0, 0.0 );

    xtext = UserProperties.getProperty( Configuration.P_COMPOSE_FORWARD_PREFIX, null );
    forwardPrefix_.setText( xtext );

    lbl = ComponentFactory.getLabel( ICEMail.getBundle(), "ConfigComposition.ForwardEnclose" );
    AWTUtilities.constrain( fPan, lbl, GridBagConstraints.NONE,
                            GridBagConstraints.NORTHEAST, 0, fRow, 1, 1, 0.0, 0.0,
                            new Insets( 0, 2, 0, 4 ) );

    forwardEnclosure_ = ComponentFactory.getTextField( ICEMail.getBundle(),
                                                       "ConfigComposition.ForwardEnclose",
                                                       null );
    AWTUtilities.constrain( fPan, forwardEnclosure_, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.NORTHEAST, 1, fRow++, 2, 1, 1.0, 0.0 );