FormWidgetWrapper.h

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#ifndef __WTX_DBO_FORMWIDGETWRAPPER_H_234e0174_6b7d_11e8_b503_fb1ef3651ec0__
#define __WTX_DBO_FORMWIDGETWRAPPER_H_234e0174_6b7d_11e8_b503_fb1ef3651ec0__

namespace Wtx {
  namespace Dbo {

class FormWidgetWrapper
: public Wt::WObject
{
  public:

    FormWidgetWrapper( Wt::WFormModel * model, Wt::WFormModel::Field field, Wt::WFormWidget * widget )
    : Wt::WObject(),
      m_model(model),
      m_field(field),
      m_widget(widget)
    {
      widget-> focussed().connect( this, &FormWidgetWrapper::on_focussed );
      widget-> blurred() .connect( this, &FormWidgetWrapper::on_blurred  );
      m_prevValue = widget-> valueText().toUTF8();
      std::cout << __FILE__ << ":" << __LINE__ << " " << field() << std::endl;

    }

    Wt::Signal<FormWidgetWrapper*> & focussed()
    {
      return m_focussed;
    }

    Wt::Signal<FormWidgetWrapper*> & blurred()
    {
      return m_blurred;
    }

    Wt::WFormModel * model() const
    {
      return m_model;
    }

    Wt::WFormModel::Field field() const
    {
      return m_field;
    }

    Wt::WFormWidget * widget() const
    {
      return m_widget;
    }

    const std::string & previousValue() const
    {
      return m_prevValue;
    }

  private:

    void on_focussed()
    {
      std::cout << __FILE__ << ":" << __LINE__ << " " << std::endl;

      m_focussed.emit(this);
    }

    void on_blurred()
    {
      m_blurred.emit(this);
    }

    Wt::WFormModel * m_model = nullptr;
    Wt::WFormModel::Field m_field = nullptr;
    Wt::WFormWidget * m_widget = nullptr;

    Wt::Signal<FormWidgetWrapper*> m_focussed;
    Wt::Signal<FormWidgetWrapper*> m_blurred;

    std::string m_prevValue;

}; // endclass FormWidgetWrapper

  } // endnamespace Dbo {
} // endnamespace Wtx {

#endif // __WTX_DBO_FORMWIDGETWRAPPER_H___