snns.java

著名的神经网络工具箱

    else if(source == mPrint) {
      int i=0;
      boolean found = false;
      Printable painter = null;

      // da NetworkView selbst und nicht die contantPane Printable implementiert
      // muessen die NetworkViews extra durchgegangen werden
      NetworkView view = getLastSelectedView();
      if( view != null && view.frame.isSelected() ){
        found = true;
        painter = view;
      }

      while( !found && i < frames.length ){
        if( frames[i].isSelected() ){
          found = true;
          Container cp = frames[i].getContentPane();
          if( cp instanceof Printable ) painter = (Printable)cp;
        }
        else i++;
      }
      /*  Container cp = desktop.getSelectedFrame().getContentPane();
        if( cp instanceof Printable ) painter = (Printable)cp;*/

      if( found && painter != null ){
        PrinterJob printJob = PrinterJob.getPrinterJob();
        printJob.setPrintable( painter );
        if ( printJob.printDialog() ) {
          try { printJob.print(); }
          catch (Exception ex) { showException( ex ); }
        }
      }
    }

    // Edit menu
    else if( source == mTop ){
      mTop.setEnabled( false );
      mBottom.setEnabled( false );
      last_view.editTopLabels();
    }
    else if( source == mBottom ){
      mTop.setEnabled( false );
      mBottom.setEnabled( false );
      last_view.editBottomLabels();
    }
    else if( source == mLayer ) {
      boolean found = false;
      int i=0;
      while( !found && i<frames.length )
        if( frames[i].getContentPane() instanceof LayerPanel ) {
          found = true;
          try{ frames[i].setIcon( false ); }
          catch( Exception ex ){
            showException( "The LayerPanel couldn't be deiconified" );
          }
          frames[i].toFront();
        }
        else i++;
      if( !found ) {
        LayerPanel lp = new LayerPanel( this );
        addInternalFrame( lp.frame, true );
      }
    }

    else if( source == mConnect ){
      boolean found = false;
      int i=0;
      while( !found && i<frames.length )
        if( frames[i].getContentPane() instanceof LinkPanel ) {
          found = true;
          try{ frames[i].setIcon( false ); }
          catch( Exception ex ){
            showException( "The LinkPanel couldn磘 be deiconified" );
          }
          frames[i].toFront();
        }
        else i++;
      if( !found ) {
        LinkPanel lp = new LinkPanel( this );
        addInternalFrame( lp.frame, true );
      }
    }
    // Edit / Delete menu:
    else if( source == mDeleteUnits ||
             source == mPopDelU       ) network.deleteUnits();
    else if( source == mDeleteLinks ||
             source == mPopDelL       ) network.deleteLinks();
    else if( source == mPopEditL ){
      try{
        LinkEdit le = new LinkEdit( this );
        addInternalFrame( le.frame, true );
      }
      catch( Exception ex ){ showException( ex ); }
    }

    // View menu:
    else if( source == mNetwork )
      openNetworkView();

    else if( source == mViewSettings ){
      NetworkView view = last_view;
      String title = "Display settings of view "+view.frame.getTitle();
      JDialog sd = new JDialog(this, title, true);
      sd.setLocation( 200, 200 );
      DisplaySettingsPanel dsp = new DisplaySettingsPanel(this, view );
      sd.setContentPane(dsp);
      sd.addWindowListener(new DisplaySettingsListener(dsp));
      sd.pack();
      sd.setResizable( false );
      sd.setVisible(true); //necessary as of kestrel
    }

    else if( source == mProjection ){
      ProjectionPanel p = new ProjectionPanel( this );
      addInternalFrame( p.frame, true );
    }

    else if( source == mWeights ){
      WeightPanel wp = new WeightPanel( this );
      addInternalFrame(wp.frame, true);
    }

    else if( source == mAnalyzer ){
      AnalyzerPanel ap = new AnalyzerPanel( this );
      addInternalFrame( ap.frame, true );
    }

    else if( source == mEditUnits ||
             source == mPopEditU    ) unitDetail.showDetails();

    else if(source == mGraph) {
      // open or restore the error graph window
      boolean found = false;
      int i=0;
      while( !found && i<frames.length )
        if( frames[i].getContentPane() instanceof GraphPanel ) {
          found = true;
          try{ frames[i].setIcon( false ); }
          catch( Exception ex ){
            showException( "The GraphPanel couldn't be deiconified" );
          }
          frames[i].toFront();
        }
        else i++;
      if( !found ) {
        GraphPanel gp = new GraphPanel( this );
        addInternalFrame( gp.frame, true );
      }
    }

    else if(source == cbmiStatusPanel)
      statusPanel.setVisible( cbmiStatusPanel.isSelected() );

    else if(source == mProperties) properties.edit();

    // Tools menu
    else if(source == mControl) {
      // open or restore the control panel
      /*boolean found = false;
      int i=0;
      while( !found && i<frames.length )
        if(frames[i].getTitle().equals(master.frame_title)) {
          found = true;
          try{ frames[i].setIcon( false ); }
          catch( Exception ex ){
            showException("The ControlPanel couldn't be deiconified");
          }
          frames[i].toFront();
        }
        else i++;
      if( !found ) addInternalFrame( master.frame, true );*/
      master.frame.setVisible(true);
      master.frame.toFront();
    }

    else if(source == mCascade) {
      boolean found = false;
      int i=0;
      while( !found && i<frames.length )
        if( frames[i].getTitle().equals( CCPanel.TITLE ) ) {
          found = true;
          try{ frames[i].setIcon( false ); }
          catch( Exception ex ){
            showException( "The CascadePanel couldn't be deiconified" );
          }
          frames[i].toFront();
        }
        else i++;
      if( !found ) {
        CCPanel ccp = new CCPanel( this );
        addInternalFrame( ccp.frame, true );
      }
    }

    else if( source == mKohonen ){
      SOMPanel sp = new SOMPanel( this,  getDefaultDisplayType() );
      sp.addListener( this );
      net_views.addElement( sp );
      net_views_count++;
      addInternalFrame( sp.frame, true );
    }
    else if( source == mLog ){
      pLog.frame.setVisible( true );
      try{ pLog.frame.setIcon( false ); }
      catch( Exception ex ){
        showException( "The status panel couldn't be deiconified" );
      }
      pLog.frame.toFront();
    }

    // Patterns menu:
    if(source == mAddPattern || source == mModifyPattern || source == mDeletePattern) {
      if( last_view != null && last_view.getLabelsToEdit() == NetworkViewSettings.ACT )
          last_view.evaluateDirectEdit( false );

      if(source == mAddPattern)
        try{ network.createPattern(); }
        catch( Exception ex ){ showException( ex ); }
      else if(source == mModifyPattern) network.modifyPattern();
      else
        try{ network.deletePattern(); }
        catch( Exception ex ) {
        showException( ex );
      }
    }

  // window menu:
    else if( source == mCascadeW ) cascadeWindows();

    else if( source == mCloseW ){
      for( int i=0; i<frames.length; i++ )
        frames[i].dispose();
    }

  // help menu:
    else if(source == mAbout) {
      JOptionPane.showMessageDialog(
        this,
        "<html><body><font face='Arial, Helvetica, sans-serif'><center>" +
          "<h1>Java Neural Network Simulator " + JavaNNS_VERSION + "</h1>" +
          "based on the <b>Stuttgart Neuronal Network Simulator 4.2</b> kernel<br>" +
          "<h2>Credits:<br><small>(in order of participation)</small></h2></center>" +
          "<b>SNNS:</b> Andreas Zell, G&uuml;nter Mamier, Michael Vogt, Niels Mache,<br>" +
          "Tilman Sommer, Ralf H&uuml;bner, Michael Schmalzl, Tobias Soyez, Sven<br>" +
          "D&ouml;ring, Dietmar Posselt, Kai-Uwe Herrmann, Artemis Hatzigeorgiou;<br>" +
          "<b>external contributions:</b> Martin Riedmiller, Heike Speckmann, Martin<br>" +
          "Reczko, Jamie DeCoster, Jochen Biederman, Joachim Danz, Christian<br>" +
          "Wehrfritz, Randolf Werner, Michael Berthold, Hans Rudolph<br>" +
          "<p><b>Java User Interface:</b> Igor Fischer, Fabian Hennecke, Christian Bannes<br>" +
          "<p>Copyright &copy; 1990-1995 IPVR, University of Stuttgart<br>" +
          "Copyright &copy; 1996-2002 WSI, University of T&uuml;bingen<br></font></body></html>",
        "About JavaNNS",
        JOptionPane.INFORMATION_MESSAGE
      );
    }
    else if(source == mContents) {
      try {
        if(applet != null) {
          URL helpURL = new URL(properties.getProperty(properties.USER_MANUAL_URL_KEY));
          applet.getAppletContext().showDocument(helpURL, "Help");
        }
        else {
          String[] command =  new String[]{
            properties.getProperty(properties.BROWSER_NAME_KEY),
            properties.getProperty(properties.USER_MANUAL_URL_KEY)};
          Runtime.getRuntime().exec( command );
        }
      }
      catch(Exception ex) { showException(ex); }
    }
  }

// implementing LoaderAndSaver:
  public String getLASName() { return "Configuration"; }
  public JPanel getAccessory(){ return null; }
  public boolean hasHomeFile(){ return ( configHomeFile != null );}

  public void save() throws IOException{
    if( hasHomeFile() ) save( configHomeFile);
    else throw new IOException("No home file defined");
  }

  public File getFile(){ return configHomeFile; }

  /**
   * returns the keyword of configuration files
   */
  public String getKeyword(){ return "configuration file" ; }

  /**
   * returns the usual file ending of the configuration files
   */
  public String getFileExtension(){ return "cfg"; }

  /**
   * returns the description of the configuration file type for the fileManager
   */
  public String getDescription(){ return "Configuration file *.cfg"; }

  /**
   * should save the configuration
   */
  public void save( File file ) throws IOException{
    String path = file.getCanonicalPath();
    if( !FileManager.getFileExtension( file ).equals("cfg") ) path += ".cfg";
    System.out.println( "not yet implemented." );
  }

  /**
   * removes the old configuration and loads a new one
   * with new network views
   */
  public void load( File file ) throws IOException{
    FileInputStream configFile = new FileInputStream( file );
    byte buffer[] = new byte [ configFile.available() ];
    configFile.read( buffer );

    LineReader configBuffer = new LineReader( buffer );
    UIConfig configuration = new UIConfig();
    configuration.readConfiguration( configBuffer );
    int display_count = configuration.displays;
    UIDisplayType dt;
    for(int i=0; i<display_count; i++) {
      dt = configuration.displayTypes[ i ];
      dt.displayNo = net_views.size() + 1;
      openNetworkView( dt );
    }
    configHomeFile = file;
  }

  public boolean contentChanged(){ return false; }

// implementing NetworkViewListener:
  /**
   * method receives messages from the network views
   *
   * @param network view event
   */
  public void networkViewChanged( NetworkViewEvent evt ){
    //System.out.println("Snns.networkViewChanged("+evt.getMessage()+")");
    NetworkView view = evt.getView();

    if( evt.id == NetworkViewEvent.VIEW_CLOSED ) {
      net_views.remove( view );
      if( view == last_view ) last_view = null;
    }
    else if( evt.id == NetworkViewEvent.VIEW_ACTIVATED ){
      if( !net_views.contains( view ) ) net_views.add( view );
      last_view = view;
    }
    updateTheMenu( evt );
  }

  public void cascadeWindows() {
    JInternalFrame[] frames = desktop.getAllFrames();
    if( frames.length == 0 ) return;
    JInternalFrame frame;
    int index = 0, delta = 0, i;
    for( i = 0; i<frames.length; i++ ){
      frame = frames[i];
      if( frame.isVisible() ){
        if( index == 0 )
          delta = frame.getContentPane().getLocationOnScreen().y
                - frame.getLocationOnScreen().y;
        frame.setLocation(index*delta, index*delta);
        frame.toFront();
        desktop.setSelectedFrame(frame);
        index++;
      }
    }
  }
}