/** Change current currency. */
  void changeCurrency(String newCurrency, boolean isChangingAllMoneyFields) {
    if (isChangingAllMoneyFields) {
      changeAllMoneyFields(newCurrency);
    } else {

      moneyField.setValue(moneyField.getValue().getConverted(newCurrency), isInitialized());
      currencyLabel.setText(newCurrency);
    }
  }
  /** Sets the Money value. */
  public void setValue(Money money) {
    if (money == null) {
      setValue(new Money());
      clearMoney();

      performFlags();

      return;
    }

    // Check displayed currency

    int newCurrency = money.getCurrency();

    if (newCurrency != moneyField.getValue().getCurrency()) {
      currencyLabel.setText(Money.getCurrencyFor(newCurrency));
    }

    // Set value

    moneyField.setValue(money);
    performFlags();
  }
  /** Initialization called by constructors. */
  protected void initialize(int size) {
    // Check desired size

    if (size <= 0) {
      size = 7;
    }

    // Construct fields

    moneyField = new LimitedNumberField(size);
    moneyField.setHorizontalAlignment(SwingConstants.RIGHT);

    currencyLabel = new JLabel();

    // Popup menu

    JPopupMenu popupMenu = new JPopupMenu();

    copyItem = new JMenuItem("Copy");
    copyItem.addActionListener(this);
    popupMenu.add(copyItem);

    pasteItem = new JMenuItem("Paste");
    pasteItem.addActionListener(this);
    popupMenu.add(pasteItem);

    popupMenu.add(new JPopupMenu.Separator());

    // Default currencies

    JMenuItem menuItem;
    defaultMenuItems = new JMenuItem[defaultCurrencies.length];

    for (int i = 0; i < defaultCurrencies.length; i++) {
      menuItem = new CurrencyMenuItem(defaultCurrencies[i]);
      menuItem.addActionListener(this);
      popupMenu.add(menuItem);

      defaultMenuItems[i] = menuItem;
    }

    popupMenu.add(new JPopupMenu.Separator());

    // european currencies
    String europeanCurrencies[] = Money.getEuropeanCurrencyList();
    europeanCurrenciesMenu = new JMenu("Europe");

    for (int i = 0; i < europeanCurrencies.length; i++) {
      menuItem = new CurrencyMenuItem(europeanCurrencies[i]);
      menuItem.addActionListener(this);
      europeanCurrenciesMenu.add(menuItem);

      if (i == 0) {
        europeanCurrenciesMenu.add(new JPopupMenu.Separator());
      }
    }

    popupMenu.add(europeanCurrenciesMenu);

    // Calculator

    popupMenu.add(new JPopupMenu.Separator());

    calculatorItem = new JMenuItem("Calculator");
    calculatorItem.addActionListener(this);
    popupMenu.add(calculatorItem);

    // Add the popup

    moneyPopup = PopupAdapter.create(this.moneyField, popupMenu);

    KeyStroke SHIFT_F10 = KeyStroke.getKeyStroke(KeyEvent.VK_F10, InputEvent.SHIFT_MASK);
    moneyField.registerKeyboardAction(this, "popup", SHIFT_F10, JComponent.WHEN_FOCUSED);

    // Now init documents

    textDocument = new JTextField().getDocument();
    moneyDocument = (LimitedMoneyDocument) moneyField.getDocument();

    moneyDocument.addDocumentListener(this);

    // Layout elements

    setLayout(new BoxLayout(this, BoxLayout.X_AXIS));

    flagLabel = new JLabel(GUI.getMandatoryIcon());

    add("West", flagLabel);
    add("Center", Box.createHorizontalStrut(3));
    add(moneyField);
    add(Box.createHorizontalStrut(GUI.HorizontalLabelDistance));
    add(currencyLabel);

    // Check mandatory and readonly state

    performFlags();

    // Set cursor

    setCursor(GUI.ENTRY_CURSOR);

    // Finally set the initial value

    Money money = new Money();
    moneyField.setValue(money, false);
    currencyLabel.setText(Money.getCurrencyFor(money.getCurrency()));

    guiInitialized = true;
  }
  /** Handle string insertion. */
  public void insertString(int offs, String str, AttributeSet a) throws BadLocationException {
    // Store source data

    int sourceLength = getLength();
    String sourceText = getText(0, sourceLength);
    StringBuffer strBuffer = new StringBuffer(sourceText);

    // Check if old value is zero

    if (offs == 0 && sourceLength > 0 && str.length() > 0) {
      long oldValue;

      try {
        oldValue = myFormat.parse(strBuffer.toString()).longValue();

        if (oldValue == 0) {
          strBuffer.deleteCharAt(0);
        }
      } catch (Exception e) {
      }
    }

    // Now add new string

    strBuffer.insert(offs, str);

    BigDecimal value;

    try {
      value = new BigDecimal(myFormat.parse(strBuffer.toString()).doubleValue());
    } catch (Exception e) {
      if (sourceLength > 0) {
        if (sourceText.startsWith(",")) {
          sourceText = "0" + sourceText;
        }

        value = new BigDecimal(getRealString(sourceText));
      } else {
        value = new BigDecimal(0.0);
      }
    }

    // Set the new value

    if (textField == null) {
      return;
    }

    textField.setValue(new Money(value, textField.getValue().getCurrency()), false);

    super.remove(0, sourceLength);
    super.insertString(0, myFormat.format(value.doubleValue()), a);

    // Set caret to correct caret position

    if (!"".equals(sourceText)) // <=> initilized
    {
      int lengthDiff = getLength() - sourceLength;
      int caretPos = lengthDiff + offs;
      int caretDiff = sourceLength - offs;

      // Adjust for columns after centSperator (currently Diff < 3)

      if ((caretDiff > 0 && caretDiff < 3) || (value.abs().longValue() < 10 && caretPos == 0)) {
        caretPos += 1;
      }

      if (caretPos < 0) {
        caretPos = 0;
      }

      textField.setCaretPosition(caretPos);
    } else {
      textField.setCaretPosition(1);
    }
  }