composeconfigdialog.java

一个用java写的mail.里面的代码值得我们去研究！学习。

    xtext = UserProperties.getProperty( Configuration.P_COMPOSE_FORWARD_ENCLOSURE, null );
    forwardEnclosure_.setText( xtext );

    forwardAttachments_ = ComponentFactory.getCheckBox( ICEMail.getBundle(),
                                                        "ConfigComposition.Attachments",
                                                        true );
    AWTUtilities.constrain( fPan, forwardAttachments_, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.CENTER, 1, fRow++, 1, 1, 1.0, 0.0 );

    boolean xboolean =
      UserProperties.getProperty( Configuration.P_COMPOSE_FORWARD_ATTACHMENTS, false );
    forwardAttachments_.setSelected( xboolean );

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

  // add path for saving compositions
    lbl = ComponentFactory.getLabel( ICEMail.getBundle(), "ConfigComposition.SaveFolder" );
    lbl.setHorizontalAlignment( JLabel.LEFT );
    AWTUtilities.constrain( namePan, lbl, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.WEST, 0, 0, 1, 1, 1.0, 0.0 );

    compositionsPath_ = ComponentFactory.getTextField( ICEMail.getBundle(),
                                                       "ConfigComposition.SaveFolder",
                                                       null );
    AWTUtilities.constrain( namePan, compositionsPath_, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.WEST, 0, 1, 1, 1, 1.0, 0.0 );

    String xpath = UserProperties.getProperty( "composeFolderPath", null );

    compositionsPath_.setText( xpath );
    compositionsPath_.addFocusListener( treeListener_ );

  // add path for saving sent messages
    lbl = ComponentFactory.getLabel( ICEMail.getBundle(), "ConfigComposition.SentFolder" );
    lbl.setHorizontalAlignment( JLabel.LEFT );
    AWTUtilities.constrain( namePan, lbl, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.WEST, 0, 2, 1, 1, 1.0, 0.0 );

    sentPath_ = ComponentFactory.getTextField( ICEMail.getBundle(),
                                               "ConfigComposition.SentFolder",
                                               null );
    AWTUtilities.constrain( namePan, sentPath_, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.WEST, 0, 3, 1, 1, 1.0, 0.0 );

    xpath = UserProperties.getProperty( "sentFolderPath", null );

    sentPath_.setText( xpath );
    sentPath_.addFocusListener( treeListener_ );

  // add buttons
    JPanel btnPan = new JPanel();
    btnPan.setLayout( new GridBagLayout() );
    btnPan.setBorder( JFCUtilities.StandardBorder );

    AWTUtilities.constrain( cont, btnPan, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.CENTER, 0, row++, 2, 1, 1.0, 0.0 );

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

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

  // add list of stores for selecting paths
    DefaultMutableTreeNode newRoot = new DefaultMutableTreeNode( "Stores" );
    DefaultMutableTreeNode rootNode = FolderTreePanel.getInstance().getRootNode();

    for ( int i = 0 ; i < rootNode.getChildCount() ; ++i ) {
      StoreTreeNode sNode = (StoreTreeNode)
      rootNode.getChildAt( i );

      if ( sNode != null ) {
        newRoot.add( (StoreTreeNode) sNode.clone() );
      }
    }

    tree_ = new JTree( new DefaultTreeModel( newRoot ) );
    tree_.addTreeSelectionListener( treeListener_ );
    tree_.setCellRenderer( new FolderTreeCellRenderer() );

    JScrollPane xscroller = new JScrollPane();
    xscroller.getViewport().add( tree_ );
    AWTUtilities.constrain( cont, xscroller, GridBagConstraints.BOTH,
                            GridBagConstraints.CENTER, 0, row++, 2, 1, 1.0, 1.0 );
  }

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

  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" ) ) {
        Configuration config = Configuration.getInstance();

        config.setProperty( "composeFolderPath",
                            compositionsPath_.getText() );
        config.setProperty( "sentFolderPath",
                            sentPath_.getText() );

        config.setProperty( Configuration.P_COMPOSE_REPLY_PREFIX,
                            replyPrefix_.getText() );
        config.setProperty( Configuration.P_COMPOSE_REPLY_ENCLOSURE,
                            replyEnclosure_.getText() );

        config.setProperty( Configuration.P_COMPOSE_FORWARD_PREFIX,
                            forwardPrefix_.getText() );
        config.setProperty( Configuration.P_COMPOSE_FORWARD_ENCLOSURE,
                            forwardEnclosure_.getText() );
        config.setProperty( Configuration.P_COMPOSE_FORWARD_ATTACHMENTS,
                            forwardAttachments_.isSelected() );

        config.saveProperties();
        disposeIt = true;
      } else if ( command.equals( "CANCEL" ) ) {
        disposeIt = true;
      }

      if ( disposeIt )
        dispose();
    }
  }

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

  private class ITreeSelectionListener
    implements TreeSelectionListener, FocusListener
  {
    private JTextField  pathField_ = null;

    public void
    valueChanged( TreeSelectionEvent event ) {
      TreePath path = tree_.getSelectionPath();
      if ( path != null ) {
        String storeName = null;
        String folderPath = null;
        Object obj = path.getPathComponent( 1 );

        if ( obj instanceof StoreTreeNode ) {
          StoreTreeNode node = (StoreTreeNode) obj;
          storeName = node.getName();
        }

        obj = path.getLastPathComponent();

        if ( obj instanceof FolderTreeNode ) {
          FolderTreeNode node = (FolderTreeNode) obj;
          folderPath = node.getFolder().getFullName();
        }

        if ( storeName != null && folderPath != null && pathField_ != null ) {
          pathField_.setText( storeName + "/" + folderPath );
        }
      }
    }

    public void
    setPathField( JTextField field ) {
      pathField_ = field;
    }

    public void
    focusGained( FocusEvent event ) {
      pathField_ = (JTextField)event.getComponent();
    }

    public void
    focusLost( FocusEvent event ) {
    }
  }

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

  /**
   * A internal class to handle the closing of window by the window manager,
   * i.e. disposing of the window properly.
   */
  private class IWindowAdapter
    extends WindowAdapter
  {
    public void
    windowClosing( WindowEvent event ) {
      event.getWindow().dispose();
    }

    public void
    windowActivated( WindowEvent event ) {
      if ( compositionsPath_ != null ) {
        compositionsPath_.requestFocus();
      }
    }
  }

}