mediaconfigdialog.java

一个用java写的mail.里面的代码值得我们去研究！学习。

/*
** $Id: MediaConfigDialog.java,v 1.4 2001/05/07 12:37:22 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 javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSeparator;
import javax.swing.JTextField;

import javax.swing.border.EmptyBorder; 

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 media options to be configured.
 * The options are stored as part of the configuration properties.
 *
 * @see Configuration
 */
public class MediaConfigDialog
  extends JDialog
{
  private JCheckBox   incomingFlag_;
  private JTextField  incomingPath_;


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

    establishContents();
    pack();

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

    setLocation( AWTUtilities.computeDialogLocation( this ) );
  }

  private void
  establishContents() {
    setTitle( ICEMail.getBundle().getString( "MediaConfig.Title" ) );

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

    ActionListener xlistener = new IActionListener();

    int row = 0;
    int cols = 3;

    JPanel rsrcPan = new JPanel();
    rsrcPan.setLayout( new GridBagLayout() );
    rsrcPan.setBorder( new EmptyBorder( 4, 4, 4, 4 ) );
    AWTUtilities.constrain( cont, rsrcPan, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.CENTER,
      0, row++, 2, 1, 1.0, 0.0 );

    int rsrcRow = 0;

    JLabel  lbl;
    lbl = ComponentFactory.getLabel( ICEMail.getBundle(), "MediaConfig.Event" );
    lbl.setHorizontalAlignment( JLabel.LEFT );
    AWTUtilities.constrain( rsrcPan, lbl, GridBagConstraints.NONE,
                            GridBagConstraints.WEST, 0, rsrcRow, 1, 1, 0.0, 0.0 );

    lbl = ComponentFactory.getLabel( ICEMail.getBundle(), "MediaConfig.URL" );
    lbl.setHorizontalAlignment( JLabel.LEFT );
    AWTUtilities.constrain( rsrcPan, lbl, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.WEST, 1, rsrcRow++, 2, 1, 1.0, 0.0 );

    JSeparator sep = new JSeparator();
    lbl.setHorizontalAlignment( JLabel.LEFT );
    AWTUtilities.constrain( rsrcPan, sep, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.WEST, 0, rsrcRow++, cols, 1, 1.0, 0.0 );

    incomingFlag_ = ComponentFactory.getCheckBox( ICEMail.getBundle(),
                                                      "MediaConfig.NewMail", false );
    incomingFlag_.setHorizontalAlignment( JLabel.LEFT );
    AWTUtilities.constrain( rsrcPan, incomingFlag_, GridBagConstraints.NONE,
                            GridBagConstraints.WEST, 0, rsrcRow, 1, 1, 0.0, 0.0 );

    incomingFlag_.setSelected(
        UserProperties.getProperty( Configuration.P_INCOMING_SOUND_FLAG, false ) );

    incomingPath_ = ComponentFactory.getTextField( ICEMail.getBundle(),
                                                       "MediaConfig.Path", null );
    AWTUtilities.constrain( rsrcPan, incomingPath_, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.WEST, 1, rsrcRow, 1, 1, 1.0, 0.0 );

    incomingPath_.setText(
        UserProperties.getProperty( Configuration.P_INCOMING_SOUND_URL, "" ) );

    JButton b;
    b = ComponentFactory.getButton( ICEMail.getBundle(), "MediaConfig.Builtin",
                                    xlistener, null );

    Insets i = b.getMargin();
    i.top = i.left = i.bottom = i.right = 2;
    b.setMargin( i );
    AWTUtilities.constrain( rsrcPan, b, GridBagConstraints.NONE,
                            GridBagConstraints.CENTER, 2, rsrcRow++, 1, 1, 0.0, 0.0 );

    JPanel btnPan = new JPanel();
    btnPan.setLayout( new GridBagLayout() );
    btnPan.setBorder( JFCUtilities.StandardBorder );
    AWTUtilities.constrain( cont, btnPan, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.CENTER, 0, row++, cols, 1, 1.0, 0.0 );

    JButton btn;
    btn = ComponentFactory.getButton( ICEMail.getBundle(), "MediaConfig.Save",
                                      xlistener, null );
    AWTUtilities.constrain( btnPan, btn, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.CENTER, 0, 0, 1, 1, 1.0, 0.0 );

    btn = ComponentFactory.getButton( ICEMail.getBundle(), "MediaConfig.Cancel",
                                      xlistener, null );
    AWTUtilities.constrain( btnPan, btn, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.CENTER, 1, 0, 1, 1, 1.0, 0.0 );
  }


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

  private class IActionListener
    implements ActionListener
  {
    /**
     * Invoked when an action occurs.
     * <p>
     * Implementation of java.awt.event.ActionListener.actionPerformed()
     *
     * @param event the action event that occured
     */
    public void
    actionPerformed( ActionEvent event ) {
      boolean disposeIt = false;
      String command = event.getActionCommand();

      if ( command.equals( "SAVE" ) ) {
        boolean on = incomingFlag_.isSelected();
        String path = incomingPath_.getText();

        ICEMailMedia.setIncomingSound( on, path );

        disposeIt = true;
      } else if ( command.equals( "CANCEL" ) ) {
        disposeIt = true;
      } else if ( command.equals( "BUILTIN" ) ) {
        incomingPath_.setText(
           UserProperties.getProperty( Configuration.P_INCOMING_SOUND_BUILTIN, "" ) );
      }

      if ( disposeIt ) {
        dispose();
      }
    }
  }

}