public void updatePageCounterField(int n) {
if (pageCounterField == null) return;
if (n == 0) {
pageCounterField.setBackground(pageCounterFieldDefaultColor);
pageCounterField.setForeground(Color.BLACK);
pageCounterButton.setForeground(pageCounterButtonDefaultForeground);
} else {
pageCounterField.setBackground(pageCounterFieldColor);
pageCounterField.setForeground(Color.WHITE);
pageCounterButton.setForeground(pageCounterFieldColor);
}
pageCounterField.setText("" + n);
}
/** Sets a textfield where the number of pages will be displayed */
public void setPageCounterField(JTextField _field, Color _color, JComponent _button) {
pageCounterField = _field;
pageCounterFieldDefaultColor = _field.getBackground();
pageCounterFieldColor = _color;
this.pageCounterButton = _button;
this.pageCounterButtonDefaultForeground = _button.getForeground();
}