public void actionPerformed(ActionEvent ae) {
   String cmd = ae.getActionCommand();
   if (JOkCancelPanel.OK.equals(cmd)) {
     // update evaluator
     evaluator.name = tfName.getText();
     evaluator.type = (byte) cbType.getSelectedIndex();
     evaluator.ignoreDiagonals = cbDiagonals.isSelected();
     evaluator.investments = (byte) cbInvestment.getSelectedIndex();
     evaluator.orgFile = orgFile;
     setVisible(false);
   } else if (JOkCancelPanel.CANCEL.equals(cmd)) {
     // don't update evaluator
     setVisible(false);
   } else if (CMD_CHOOSE_FILE.equals(cmd)) {
     // get a file dialog
     JFrame f = new JFrame();
     JFileChooser jfc = Application.getFileChooser();
     int res = jfc.showOpenDialog(f);
     Application.setWorkingDirectory(jfc.getCurrentDirectory());
     if (res == JFileChooser.CANCEL_OPTION) {
       return;
     }
     orgFile = jfc.getSelectedFile();
     lOrgFileName.setText("File: " + orgFile.getName());
   }
 }
  public void actionPerformed(ActionEvent e) {
    /*
     * The menu is assigned to several menu bars. The listener is kept as
     * a separate class than the listeners already assigned to the actions
     * for the menu when created.
     */
    JMenu menuOfEventTrigger = Application.frame.getJMenuBar().getMenu(1);

    if (e.getSource() == menuOfEventTrigger.getItem(0)) LectureManager.goToFirstPage();
    else if (e.getSource() == menuOfEventTrigger.getItem(1)) LectureManager.goToLastPage();
    else if (e.getSource() == menuOfEventTrigger.getItem(2)) {
      Application.dialogLabel.setText(DialogLabelText.changeLectureMessage);

      byte selectedButton =
          (byte)
              (JOptionPane.showConfirmDialog(
                  null,
                  Application.dialogLabel,
                  "Change Lecture",
                  JOptionPane.YES_NO_OPTION,
                  JOptionPane.QUESTION_MESSAGE));

      if (selectedButton == JOptionPane.YES_OPTION) {
        Application.frame.setJMenuBar(Application.centralProgramMenuBar);

        CardLayout mainPanelLayout = (CardLayout) (Application.mainPanel.getLayout());
        Application.currentPanelName = Application.LECTURE_SELECT_NAME;
        mainPanelLayout.show(Application.mainPanel, Application.currentPanelName);
      }
    }
    // When the user clicks on the button to quit Lecture Mode.
    else if (e.getSource() == menuOfEventTrigger.getItem(3)) {
      Application.dialogLabel.setText(DialogLabelText.quitLectureModeMessage);

      byte selectedButton =
          (byte)
              (JOptionPane.showConfirmDialog(
                  null,
                  Application.dialogLabel,
                  "Quit Lecture Mode",
                  JOptionPane.YES_NO_OPTION,
                  JOptionPane.QUESTION_MESSAGE));

      if (selectedButton == JOptionPane.YES_OPTION) {
        Application.frame.setJMenuBar(Application.centralProgramMenuBar);

        Application.restartMainMenuThread();

        CardLayout mainPanelLayout = (CardLayout) (Application.mainPanel.getLayout());
        Application.currentPanelName = Application.MAIN_MENU_NAME;
        mainPanelLayout.show(Application.mainPanel, Application.currentPanelName);
      }
    }
  }
  public void OpenFileToolbar() {
    JFileChooser fileChooser = new JFileChooser();
    int returnVal = fileChooser.showOpenDialog(this);
    if (returnVal == JFileChooser.APPROVE_OPTION) {
      File file = fileChooser.getSelectedFile();
      try {
        opentFile(file.getPath());

        Workspaces workspaces = Application.getInstance().getWorkspaces();
        Map<String, Workspaces.ViewFrame> frames = workspaces.getOpenFrames();
        Object[] objFrames = frames.values().toArray();
        ViewFrame[] viewFrames = new ViewFrame[objFrames.length];
        for (int i = 0; i < objFrames.length; i++) {
          viewFrames[i] = (ViewFrame) objFrames[i];
          if (viewFrames[i].isSelected()) viewFrames[i].setTitle(file.getPath());
        }
      } catch (Exception ex) {
        ex.printStackTrace();
      }
    }
  }
 public void actionPerformed(ActionEvent e) {
   if (e.getSource() == submit) {
     if (rb1.isSelected()) {
       JFrame frame = Application.getFrame();
       if (typeCodes.isEmpty()) {
         JOptionPane.showMessageDialog(
             frame,
             "Please select at least one toponym type.",
             "Error",
             JOptionPane.ERROR_MESSAGE);
       } else {
         Application.getMainCitiesPanel(this, typeCodes, 0, 0.0);
       }
     } else if (rb2.isSelected()) {
       JFrame frame = Application.getFrame();
       try {
         nCities = new Integer(nCitiesField.getText());
         if (nCities <= 0) throw new NumberFormatException();
         typeCodes = new ArrayList<String>();
         Application.getMainCitiesPanel(this, typeCodes, nCities, 0.0);
       } catch (NumberFormatException ex) {
         JOptionPane.showMessageDialog(
             frame, "Please enter a positive integer number.", "Error", JOptionPane.ERROR_MESSAGE);
       }
     } else {
       JFrame frame = Application.getFrame();
       try {
         Double dist = new Double(distField.getText());
         if (dist <= 0) throw new NumberFormatException();
         typeCodes = new ArrayList<String>();
         Application.getMainCitiesPanel(this, typeCodes, 0, dist);
       } catch (NumberFormatException ex) {
         JOptionPane.showMessageDialog(
             frame, "Please enter a positive number.", "Error", JOptionPane.ERROR_MESSAGE);
       }
     }
   } else {
     Application.getOptionPanel(this, countryName);
   }
 }
 @SuppressWarnings("restriction")
 public static void appleForeground() {
   Application.getApplication().requestForeground(true);
 }
 @SuppressWarnings("restriction")
 public static void doAppleFullscreen(JFrame window) {
   Application.getApplication().requestToggleFullScreen(window);
 }
    public void runEvaluator() {
      int nSize = r.getNodeCount();
      nodeValues = new Double[nSize];
      allValues = new Double[nSize][];
      for (int i = 0; i < nSize; i++) {
        allValues[i] = new Double[nSize];
      }

      // get Oj's
      double[] o = new double[nSize];
      if (orgFile == null) {
        for (int i = 0; i < nSize; i++) {
          o[i] = 1.0;
        }
      } else {
        try {
          FileInputStream fis = new FileInputStream(orgFile);
          InputStreamReader isr = new InputStreamReader(fis);
          BufferedReader in = new BufferedReader(isr, 8096);
          String line = in.readLine();

          // try to guess delimiters
          String delim = " ";
          if (line.indexOf('\t') != 0) {
            delim = "\t";
          } else if (line.indexOf(',') != 0) {
            delim = ",";
          }
          Hashtable values = new Hashtable();
          while (line != null) {
            StringTokenizer st = new StringTokenizer(line, delim);
            line = in.readLine();
            String key = st.nextToken().trim();
            if (st.hasMoreTokens()) {
              try {
                Double d = Double.valueOf(st.nextToken());
                values.put(key, d);
              } catch (NumberFormatException nfe) {
                // ignore?
              }
            }
          }
          fis.close();
          TreeSet missingActors = new TreeSet();
          for (int i = 0; i < nSize; i++) {
            String actorName = r.getParent().getActor(i).getName();
            Double oValue = (Double) values.get(actorName);
            if (oValue == null) {
              missingActors.add(actorName);
              o[i] = 1.0;
            } else {
              o[i] = oValue.doubleValue();
            }
          }
          if (missingActors.size() > 0) {
            String errorMsg = "Couldn't find organization values for ";
            if (missingActors.size() <= 10) {
              Iterator iter = missingActors.iterator();
              errorMsg += "'" + iter.next() + "'";
              while (iter.hasNext()) {
                errorMsg += ", '" + iter.next() + "'";
              }
              errorMsg += ".";
            } else {
              errorMsg += missingActors.size() + " actors.";
            }
            JFrame f = new JFrame();
            JOptionPane.showMessageDialog(
                f, errorMsg, "Missing Values", JOptionPane.WARNING_MESSAGE);
          }
        } catch (IOException ioe) {
          Application.handleNonFatalThrowable(ioe);
        }
      }

      // i think i need to calculate all p_ij's
      double[][] p = new double[nSize][];
      for (int i = 0; i < nSize; i++) {
        p[i] = new double[nSize];
        double i_out = 0.0;
        for (int j = 0; j < nSize; j++) {
          if ((i != j) || (!ignoreDiagonals)) {
            if (investments == OUTBOUND || investments == BOTH) {
              i_out += r.getTieStrength(i, j);
            }
            if (investments == INBOUND || investments == BOTH) {
              i_out += r.getTieStrength(j, i);
            }
          }
        }

        for (int j = 0; j < nSize; j++) {
          p[i][j] = 0.0;
          if (i_out != 0.0) {
            if (investments == OUTBOUND || investments == BOTH) {
              p[i][j] += r.getTieStrength(i, j) / i_out;
            }
            if (investments == INBOUND || investments == BOTH) {
              p[i][j] += r.getTieStrength(j, i) / i_out;
            }
          }
        }
      }

      switch (type) {
          // implementation of Burt (1992: 64) equation 2.7
        case CONSTRAINT:
          for (int i = 0; i < nSize; i++) {
            double i_total = 0.0;
            allValues[i][i] = new Double(Double.NaN);
            for (int j = 0; j < nSize; j++) {
              if (i != j) {
                double c_sum = p[i][j];
                for (int q = 0; q < nSize; q++) {
                  if ((q != i) && (q != j)) {
                    c_sum += p[i][q] * p[q][j];
                  }
                }
                double c_ij = c_sum * c_sum * o[j];
                i_total += c_ij;
                allValues[i][j] = new Double(c_ij);
              }
            }
            nodeValues[i] = new Double(i_total);
          }
          break;

        case EFFECTIVE_SIZE:
          break;
      }
    }
  public MainCitiesCriteriaPanel() {
    super(new BorderLayout());

    CountryController countryc = Application.getCountryController();
    CitiesController citiesc = Application.getCitiesController();
    countryName = Application.getCountryName();

    label = new JLabel();
    labelPanel = new JPanel();
    labelPanel.add(label);

    label.setText("Criteria to select main cities for " + countryName.replaceAll("_", " "));

    listModel = new DefaultListModel();

    Iterator<HashMap<String, String>> iter = citiesc.getToponymTypesIterator();
    while (iter.hasNext()) {
      String topTypeName = iter.next().get("code");
      listModel.addElement(topTypeName);
    }
    list = new JList(listModel);
    list.addListSelectionListener(this);
    listPanel = new JScrollPane(list);

    NumberFormat nCitiesFormat = NumberFormat.getInstance();
    nCitiesFormat.setMaximumFractionDigits(0);
    nCitiesFormat.setMaximumIntegerDigits(4);

    NumberFormat distFormat = NumberFormat.getInstance();
    distFormat.setMaximumFractionDigits(0);
    distFormat.setMaximumIntegerDigits(3);

    nCitiesField = new JFormattedTextField(nCitiesFormat);
    distField = new JFormattedTextField(distFormat);

    nCitiesField.setMaximumSize(new Dimension(50, 1));
    distField.setMaximumSize(new Dimension(50, 1));

    rb1 = new JRadioButton("Filter by type", true);
    rb2 = new JRadioButton("Filter by number", false);
    rb3 = new JRadioButton("Filter by distance to the borders (km)", false);

    ButtonGroup bgroup = new ButtonGroup();

    bgroup.add(rb1);
    bgroup.add(rb2);
    bgroup.add(rb3);

    JPanel radioPanel = new JPanel();

    radioPanel.setLayout(new BoxLayout(radioPanel, BoxLayout.Y_AXIS));
    radioPanel.add(rb1);
    radioPanel.add(listPanel);
    radioPanel.add(rb2);
    radioPanel.add(nCitiesField);
    radioPanel.add(rb3);
    radioPanel.add(distField);

    submit = new JButton();
    back = new JButton();

    submit.setText("OK");
    back.setText("GO BACK");
    submit.addActionListener(this);
    back.addActionListener(this);

    buttonPanel = new JPanel();
    buttonPanel.add(back);
    buttonPanel.add(submit);

    add(labelPanel, BorderLayout.NORTH);
    add(radioPanel, BorderLayout.CENTER);
    add(buttonPanel, BorderLayout.SOUTH);
  }