public void save() {
    for (String key : fields.keySet()) {
      JComponent comp = fields.get(key);

      if (comp instanceof JTextField) {
        JTextField c = (JTextField) comp;

        if (c.getText().trim().equals("")) {
          sketch.configFile.unset(key);
        } else {
          sketch.configFile.set(key, c.getText());
        }
      } else if (comp instanceof JTextArea) {
        JTextArea c = (JTextArea) comp;

        if (c.getText().trim().equals("")) {
          sketch.configFile.unset(key);
        } else {
          sketch.configFile.set(key, c.getText());
        }
      }
    }

    sketch.saveConfig();
  }
 // called by the Client to append text in the TextArea
 void append(String str) {
   chatArea.append(str);
   chatArea.setCaretPosition(chatArea.getText().length() - 1);
 }
  private void execute() {

    gResult.clear();

    String sCmd = null;

    if (4096 <= ifHuge.length()) {
      sCmd = ifHuge;
    } else {
      sCmd = txtCommand.getText();
    }

    if (sCmd.startsWith("-->>>TEST<<<--")) {
      testPerformance();

      return;
    }

    String g[] = new String[1];

    try {
      lTime = System.currentTimeMillis();

      sStatement.execute(sCmd);

      int r = sStatement.getUpdateCount();

      if (r == -1) {
        formatResultSet(sStatement.getResultSet());
      } else {
        g[0] = "update count";

        gResult.setHead(g);

        g[0] = "" + r;

        gResult.addRow(g);
      }

      lTime = System.currentTimeMillis() - lTime;

      addToRecent(txtCommand.getText());
      gResult.fireTableChanged(null);
    } catch (SQLException e) {
      lTime = System.currentTimeMillis() - lTime;
      g[0] = "SQL Error";

      gResult.setHead(g);

      String s = e.getMessage();

      s += " / Error Code: " + e.getErrorCode();
      s += " / State: " + e.getSQLState();
      g[0] = s;

      gResult.addRow(g);
      gResult.fireTableChanged(null);
    }

    updateResult();
    System.gc();
  }
  private void testPerformance() {

    String all = txtCommand.getText();
    StringBuffer b = new StringBuffer();
    long total = 0;

    for (int i = 0; i < all.length(); i++) {
      char c = all.charAt(i);

      if (c != '\n') {
        b.append(c);
      }
    }

    all = b.toString();

    String g[] = new String[4];

    g[0] = "ms";
    g[1] = "count";
    g[2] = "sql";
    g[3] = "error";

    gResult.setHead(g);

    int max = 1;

    lTime = System.currentTimeMillis() - lTime;

    while (!all.equals("")) {
      int i = all.indexOf(';');
      String sql;

      if (i != -1) {
        sql = all.substring(0, i);
        all = all.substring(i + 1);
      } else {
        sql = all;
        all = "";
      }

      if (sql.startsWith("--#")) {
        max = Integer.parseInt(sql.substring(3));

        continue;
      } else if (sql.startsWith("--")) {
        continue;
      }

      g[2] = sql;

      long l = 0;

      try {
        l = DatabaseManagerCommon.testStatement(sStatement, sql, max);
        total += l;
        g[0] = "" + l;
        g[1] = "" + max;
        g[3] = "";
      } catch (SQLException e) {
        g[0] = g[1] = "n/a";
        g[3] = e.toString();
      }

      gResult.addRow(g);
      System.out.println(l + " ms : " + sql);
    }

    g[0] = "" + total;
    g[1] = "total";
    g[2] = "";

    gResult.addRow(g);

    lTime = System.currentTimeMillis() - lTime;

    updateResult();
  }
  public void actionPerformed(ActionEvent ev) {

    String s = ev.getActionCommand();

    if (s == null) {
      if (ev.getSource() instanceof JMenuItem) {
        JMenuItem i;

        s = ((JMenuItem) ev.getSource()).getText();
      }
    }

    /*
    // button replace by toolbar
            if (s.equals("Execute")) {
                execute();
            } else
    */
    if (s.equals("Exit")) {
      windowClosing(null);
    } else if (s.equals("Transfer")) {
      Transfer.work(null);
    } else if (s.equals("Dump")) {
      Transfer.work(new String[] {"-d"});
    } else if (s.equals("Restore")) {
      Transfer.work(new String[] {"-r"});
    } else if (s.equals("Logging on")) {
      javaSystem.setLogToSystem(true);
    } else if (s.equals("Logging off")) {
      javaSystem.setLogToSystem(false);
    } else if (s.equals("Refresh Tree")) {
      refreshTree();
    } else if (s.startsWith("#")) {
      int i = Integer.parseInt(s.substring(1));

      txtCommand.setText(sRecent[i]);
    } else if (s.equals("Connect...")) {
      connect(ConnectionDialogSwing.createConnection(fMain, "Connect"));
      refreshTree();
    } else if (s.equals("Results in Grid")) {
      iResult = 0;

      pResult.removeAll();
      pResult.add(gScrollPane, BorderLayout.CENTER);
      pResult.doLayout();
      gResult.fireTableChanged(null);
      pResult.repaint();
    } else if (s.equals("Open Script...")) {
      JFileChooser f = new JFileChooser(".");

      f.setDialogTitle("Open Script...");

      // (ulrivo): set default directory if set from command line
      if (defDirectory != null) {
        f.setCurrentDirectory(new File(defDirectory));
      }

      int option = f.showOpenDialog(fMain);

      if (option == JFileChooser.APPROVE_OPTION) {
        File file = f.getSelectedFile();

        if (file != null) {
          StringBuffer buf = new StringBuffer();

          ifHuge = DatabaseManagerCommon.readFile(file.getAbsolutePath());

          if (4096 <= ifHuge.length()) {
            buf.append("This huge file cannot be edited. Please execute\n");
            txtCommand.setText(buf.toString());
          } else {
            txtCommand.setText(ifHuge);
          }
        }
      }
    } else if (s.equals("Save Script...")) {
      JFileChooser f = new JFileChooser(".");

      f.setDialogTitle("Save Script");

      // (ulrivo): set default directory if set from command line
      if (defDirectory != null) {
        f.setCurrentDirectory(new File(defDirectory));
      }

      int option = f.showSaveDialog(fMain);

      if (option == JFileChooser.APPROVE_OPTION) {
        File file = f.getSelectedFile();

        if (file != null) {
          DatabaseManagerCommon.writeFile(file.getAbsolutePath(), txtCommand.getText());
        }
      }
    } else if (s.equals("Save Result...")) {
      JFileChooser f = new JFileChooser(".");

      f.setDialogTitle("Save Result...");

      // (ulrivo): set default directory if set from command line
      if (defDirectory != null) {
        f.setCurrentDirectory(new File(defDirectory));
      }

      int option = f.showSaveDialog(fMain);

      if (option == JFileChooser.APPROVE_OPTION) {
        File file = f.getSelectedFile();

        if (file != null) {
          showResultInText();
          DatabaseManagerCommon.writeFile(file.getAbsolutePath(), txtResult.getText());
        }
      }
    } else if (s.equals("Results in Text")) {
      iResult = 1;

      pResult.removeAll();
      pResult.add(txtResultScroll, BorderLayout.CENTER);
      pResult.doLayout();
      showResultInText();
      pResult.repaint();
    } else if (s.equals("AutoCommit on")) {
      try {
        cConn.setAutoCommit(true);
      } catch (SQLException e) {
      }
    } else if (s.equals("AutoCommit off")) {
      try {
        cConn.setAutoCommit(false);
      } catch (SQLException e) {
      }
    } else if (s.equals("Commit")) {
      try {
        cConn.commit();
      } catch (SQLException e) {
      }
    } else if (s.equals("Insert test data")) {
      insertTestData();
    } else if (s.equals("Rollback")) {
      try {
        cConn.rollback();
      } catch (SQLException e) {
      }
    } else if (s.equals("Disable MaxRows")) {
      try {
        sStatement.setMaxRows(0);
      } catch (SQLException e) {
      }
    } else if (s.equals("Set MaxRows to 100")) {
      try {
        sStatement.setMaxRows(100);
      } catch (SQLException e) {
      }
    } else if (s.equals("SELECT")) {
      showHelp(DatabaseManagerCommon.selectHelp);
    } else if (s.equals("INSERT")) {
      showHelp(DatabaseManagerCommon.insertHelp);
    } else if (s.equals("UPDATE")) {
      showHelp(DatabaseManagerCommon.updateHelp);
    } else if (s.equals("DELETE")) {
      showHelp(DatabaseManagerCommon.deleteHelp);
    } else if (s.equals("CREATE TABLE")) {
      showHelp(DatabaseManagerCommon.createTableHelp);
    } else if (s.equals("DROP TABLE")) {
      showHelp(DatabaseManagerCommon.dropTableHelp);
    } else if (s.equals("CREATE INDEX")) {
      showHelp(DatabaseManagerCommon.createIndexHelp);
    } else if (s.equals("DROP INDEX")) {
      showHelp(DatabaseManagerCommon.dropIndexHelp);
    } else if (s.equals("CHECKPOINT")) {
      showHelp(DatabaseManagerCommon.checkpointHelp);
    } else if (s.equals("SCRIPT")) {
      showHelp(DatabaseManagerCommon.scriptHelp);
    } else if (s.equals("SHUTDOWN")) {
      showHelp(DatabaseManagerCommon.shutdownHelp);
    } else if (s.equals("SET")) {
      showHelp(DatabaseManagerCommon.setHelp);
    } else if (s.equals("Test Script")) {
      showHelp(DatabaseManagerCommon.testHelp);
    }
  }