private void showHelp(String help[]) {

    txtCommand.setText(help[0]);

    bHelp = true;

    pResult.removeAll();
    pResult.add(txtResultScroll, BorderLayout.CENTER);
    pResult.doLayout();
    txtResult.setText(help[1]);
    pResult.repaint();
    txtCommand.requestFocus();
    txtCommand.setCaretPosition(help[0].length());
  }
  private void updateResult() {

    if (iResult == 0) {

      // in case 'help' has removed the grid
      if (bHelp) {
        pResult.removeAll();
        pResult.add(gScrollPane, BorderLayout.CENTER);
        pResult.doLayout();
        gResult.fireTableChanged(null);
        pResult.repaint();

        bHelp = false;
      }
    } else {
      showResultInText();
    }

    txtCommand.selectAll();
    txtCommand.requestFocus();
  }
  void main() {

    CommonSwing.setDefaultColor();

    fMain = new JFrame("HSQL Database Manager");

    // (ulrivo): An actual icon.
    fMain.getContentPane().add(createToolBar(), "North");
    fMain.setIconImage(CommonSwing.getIcon());
    fMain.addWindowListener(this);

    JMenuBar bar = new JMenuBar();

    // used shortcuts: CERGTSIUDOLM
    String fitems[] = {
      "-Connect...", "--", "-Open Script...", "-Save Script...", "-Save Result...", "--", "-Exit"
    };

    addMenu(bar, "File", fitems);

    String vitems[] = {"RRefresh Tree", "--", "GResults in Grid", "TResults in Text"};

    addMenu(bar, "View", vitems);

    String sitems[] = {
      "SSELECT",
      "IINSERT",
      "UUPDATE",
      "DDELETE",
      "---",
      "-CREATE TABLE",
      "-DROP TABLE",
      "-CREATE INDEX",
      "-DROP INDEX",
      "--",
      "-CHECKPOINT",
      "-SCRIPT",
      "-SET",
      "-SHUTDOWN",
      "--",
      "-Test Script"
    };

    addMenu(bar, "Command", sitems);

    mRecent = new JMenu("Recent");

    bar.add(mRecent);

    String soptions[] = {
      "-AutoCommit on",
      "-AutoCommit off",
      "OCommit",
      "LRollback",
      "--",
      "-Disable MaxRows",
      "-Set MaxRows to 100",
      "--",
      "-Logging on",
      "-Logging off",
      "--",
      "-Insert test data"
    };

    addMenu(bar, "Options", soptions);

    String stools[] = {"-Dump", "-Restore", "-Transfer"};

    addMenu(bar, "Tools", stools);
    fMain.setJMenuBar(bar);
    initGUI();

    sRecent = new String[iMaxRecent];

    Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension size = fMain.getSize();

    // (ulrivo): full size on screen with less than 640 width
    if (d.width >= 640) {
      fMain.setLocation((d.width - size.width) / 2, (d.height - size.height) / 2);
    } else {
      fMain.setLocation(0, 0);
      fMain.setSize(d);
    }

    fMain.show();

    // (ulrivo): load query from command line
    if (defScript != null) {
      if (defDirectory != null) {
        defScript = defDirectory + File.separator + defScript;
      }

      // if insert stmet is thousands of records...skip showing it
      // as text.  Too huge.
      StringBuffer buf = new StringBuffer();

      ifHuge = DatabaseManagerCommon.readFile(defScript);

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

    txtCommand.requestFocus();
  }