proplist.cpp

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

bool wxRealListValidator::OnRetrieveValue(wxProperty *property, wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  if (!view->GetValueText())
    return false;

  if (wxStrlen(view->GetValueText()->GetValue()) == 0)
    return false;

  wxString value(view->GetValueText()->GetValue());
  float f = (float)wxAtof(value.GetData());
  property->GetValue() = f;
  return true;
}

bool wxRealListValidator::OnPrepareControls(wxProperty *WXUNUSED(property), wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  if (view->GetConfirmButton())
    view->GetConfirmButton()->Enable();
  if (view->GetCancelButton())
    view->GetCancelButton()->Enable();
  if (view->GetEditButton())
    view->GetEditButton()->Disable();
  if (view->GetValueText())
    view->GetValueText()->Enable();
  return true;
}

///
/// Integer validator
///
IMPLEMENT_DYNAMIC_CLASS(wxIntegerListValidator, wxPropertyListValidator)

bool wxIntegerListValidator::OnCheckValue(wxProperty *WXUNUSED(property), wxPropertyListView *view, wxWindow *parentWindow)
{
  if (m_integerMin == 0 && m_integerMax == 0)
    return true;

  if (!view->GetValueText())
    return false;
  wxString value(view->GetValueText()->GetValue());

  long val = 0;
  if (!StringToLong(WXSTRINGCAST value, &val))
  {
    wxChar buf[200];
    wxSprintf(buf, wxT("Value %s is not a valid integer!"), value.GetData());
    wxMessageBox(buf, wxT("Property value error"), wxOK | wxICON_EXCLAMATION, parentWindow);
    return false;
  }
  if (val < m_integerMin || val > m_integerMax)
  {
    wxChar buf[200];
    wxSprintf(buf, wxT("Value must be an integer between %ld and %ld!"), m_integerMin, m_integerMax);
    wxMessageBox(buf, wxT("Property value error"), wxOK | wxICON_EXCLAMATION, parentWindow);
    return false;
  }
  return true;
}

// Called when TICK is pressed or focus is lost or view wants to update
// the property list.
// Does the transferance from the property editing area to the property itself
bool wxIntegerListValidator::OnRetrieveValue(wxProperty *property, wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  if (!view->GetValueText())
    return false;

  if (wxStrlen(view->GetValueText()->GetValue()) == 0)
    return false;

  wxString value(view->GetValueText()->GetValue());
  long val = (long)wxAtoi(value.GetData());
  property->GetValue() = (long)val;
  return true;
}

bool wxIntegerListValidator::OnPrepareControls(wxProperty *WXUNUSED(property), wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  if (view->GetConfirmButton())
    view->GetConfirmButton()->Enable();
  if (view->GetCancelButton())
    view->GetCancelButton()->Enable();
  if (view->GetEditButton())
    view->GetEditButton()->Disable();
  if (view->GetValueText())
    view->GetValueText()->Enable();
  return true;
}

///
/// boolean validator
///
IMPLEMENT_DYNAMIC_CLASS(wxBoolListValidator, wxPropertyListValidator)

bool wxBoolListValidator::OnCheckValue(wxProperty *WXUNUSED(property), wxPropertyListView *view, wxWindow *parentWindow)
{
  if (!view->GetValueText())
    return false;
  wxString value(view->GetValueText()->GetValue());
  if (value != wxT("True") && value != wxT("False"))
  {
    wxMessageBox(wxT("Value must be True or False!"), wxT("Property value error"), wxOK | wxICON_EXCLAMATION, parentWindow);
    return false;
  }
  return true;
}

// Called when TICK is pressed or focus is lost or view wants to update
// the property list.
// Does the transferance from the property editing area to the property itself
bool wxBoolListValidator::OnRetrieveValue(wxProperty *property, wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  if (!view->GetValueText())
    return false;

  if (wxStrlen(view->GetValueText()->GetValue()) == 0)
    return false;

  wxString value(view->GetValueText()->GetValue());
  bool boolValue = (value == wxT("True"));
  property->GetValue() = boolValue;
  return true;
}

bool wxBoolListValidator::OnDisplayValue(wxProperty *property, wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  if (!view->GetValueText())
    return false;
  wxString str(property->GetValue().GetStringRepresentation());

  view->GetValueText()->SetValue(str);

  if (view->GetValueList()->IsShown())
  {
    view->GetValueList()->SetStringSelection(str);
  }
  return true;
}

bool wxBoolListValidator::OnPrepareControls(wxProperty *WXUNUSED(property), wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  if (view->GetConfirmButton())
    view->GetConfirmButton()->Disable();
  if (view->GetCancelButton())
    view->GetCancelButton()->Disable();
  if (view->GetEditButton())
    view->GetEditButton()->Enable();
  if (view->GetValueText())
    view->GetValueText()->Disable();
  return true;
}

bool wxBoolListValidator::OnPrepareDetailControls(wxProperty *WXUNUSED(property), wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  if (view->GetValueList())
  {
    view->ShowListBoxControl(true);
    view->GetValueList()->Enable();

    view->GetValueList()->Append(wxT("True"));
    view->GetValueList()->Append(wxT("False"));
    wxChar *currentString = copystring(view->GetValueText()->GetValue());
    view->GetValueList()->SetStringSelection(currentString);
    delete[] currentString;
  }
  return true;
}

bool wxBoolListValidator::OnClearDetailControls(wxProperty *WXUNUSED(property), wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  if (view->GetValueList())
  {
    view->GetValueList()->Clear();
    view->ShowListBoxControl(false);
    view->GetValueList()->Disable();
  }
  return true;
}

// Called when the property is double clicked. Extra functionality can be provided,
// cycling through possible values.
bool wxBoolListValidator::OnDoubleClick(wxProperty *property, wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  if (!view->GetValueText())
    return false;
  if (property->GetValue().BoolValue())
    property->GetValue() = false;
  else
    property->GetValue() = true;
  view->DisplayProperty(property);
  view->UpdatePropertyDisplayInList(property);
  view->OnPropertyChanged(property);
  return true;
}

///
/// String validator
///
IMPLEMENT_DYNAMIC_CLASS(wxStringListValidator, wxPropertyListValidator)

wxStringListValidator::wxStringListValidator(wxStringList *list, long flags):
  wxPropertyListValidator(flags)
{
  m_strings = list;
  // If no constraint, we just allow the string to be edited.
  if (!m_strings && ((m_validatorFlags & wxPROP_ALLOW_TEXT_EDITING) == 0))
    m_validatorFlags |= wxPROP_ALLOW_TEXT_EDITING;
}

bool wxStringListValidator::OnCheckValue(wxProperty *WXUNUSED(property), wxPropertyListView *view, wxWindow *parentWindow)
{
  if (!m_strings)
    return true;

  if (!view->GetValueText())
    return false;
  wxString value(view->GetValueText()->GetValue());

  if (!m_strings->Member(value.GetData()))
  {
    wxString str( wxT("Value ") );
    str += value.GetData();
    str += wxT(" is not valid.");
    wxMessageBox( str.GetData(), wxT("Property value error"), wxOK | wxICON_EXCLAMATION, parentWindow);
    return false;
  }
  return true;
}

// Called when TICK is pressed or focus is lost or view wants to update
// the property list.
// Does the transferance from the property editing area to the property itself
bool wxStringListValidator::OnRetrieveValue(wxProperty *property, wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  if (!view->GetValueText())
    return false;
  wxString value(view->GetValueText()->GetValue());
  property->GetValue() = value ;
  return true;
}

// Called when TICK is pressed or focus is lost or view wants to update
// the property list.
// Does the transferance from the property editing area to the property itself
bool wxStringListValidator::OnDisplayValue(wxProperty *property, wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  if (!view->GetValueText())
    return false;
  wxString str(property->GetValue().GetStringRepresentation());
  view->GetValueText()->SetValue(str);
  if (m_strings && view->GetValueList() && view->GetValueList()->IsShown() && view->GetValueList()->GetCount() > 0)
  {
    view->GetValueList()->SetStringSelection(str);
  }
  return true;
}

bool wxStringListValidator::OnPrepareControls(wxProperty *WXUNUSED(property), wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  // Unconstrained
  if (!m_strings)
  {
    if (view->GetEditButton())
      view->GetEditButton()->Disable();
    if (view->GetConfirmButton())
      view->GetConfirmButton()->Enable();
    if (view->GetCancelButton())
      view->GetCancelButton()->Enable();
    if (view->GetValueText())
      view->GetValueText()->Enable();
    return true;
  }

  // Constrained
  if (view->GetValueText())
    view->GetValueText()->Disable();

  if (view->GetEditButton())
    view->GetEditButton()->Enable();

  if (view->GetConfirmButton())
    view->GetConfirmButton()->Disable();
  if (view->GetCancelButton())
    view->GetCancelButton()->Disable();
  return true;
}

bool wxStringListValidator::OnPrepareDetailControls( wxProperty *property,
                                                     wxPropertyListView *view,
                                                     wxWindow *WXUNUSED(parentWindow) )
{
  if (view->GetValueList())
  {
    view->ShowListBoxControl(true);
    view->GetValueList()->Enable();
    wxStringList::Node  *node = m_strings->GetFirst();
    while (node)
    {
      wxChar *s = node->GetData();
      view->GetValueList()->Append(s);
      node = node->GetNext();
    }
    wxChar *currentString = property->GetValue().StringValue();
    view->GetValueList()->SetStringSelection(currentString);
  }
  return true;
}

bool wxStringListValidator::OnClearDetailControls(wxProperty *WXUNUSED(property), wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  if (!m_strings)
  {
    return true;
  }

  if (view->GetValueList())
  {
    view->GetValueList()->Clear();
    view->ShowListBoxControl(false);
    view->GetValueList()->Disable();
  }
  return true;
}

// Called when the property is double clicked. Extra functionality can be provided,
// cycling through possible values.
bool wxStringListValidator::OnDoubleClick( wxProperty *property,
                                           wxPropertyListView *view,
                                           wxWindow *WXUNUSED(parentWindow) )
{
  if (!view->GetValueText())
    return false;
  if (!m_strings)
    return false;

  wxStringList::Node    *node = m_strings->GetFirst();
  wxChar                *currentString = property->GetValue().StringValue();
  while (node)
  {
    wxChar *s = node->GetData();
    if (wxStrcmp(s, currentString) == 0)
    {
      wxChar *nextString;
      if (node->GetNext())
        nextString = node->GetNext()->GetData();
      else
        nextString = m_strings->GetFirst()->GetData();
      property->GetValue() = wxString(nextString);
      view->DisplayProperty(property);
      view->UpdatePropertyDisplayInList(property);
      view->OnPropertyChanged(property);
      return true;
    }
    else node = node->GetNext();
  }
  return true;
}

///
/// Filename validator
///
IMPLEMENT_DYNAMIC_CLASS(wxFilenameListValidator, wxPropertyListValidator)

wxFilenameListValidator::wxFilenameListValidator(wxString message , wxString wildcard, long flags):
  wxPropertyListValidator(flags), m_filenameWildCard(wildcard), m_filenameMessage(message)
{
}

wxFilenameListValidator::~wxFilenameListValidator()
{
}

bool wxFilenameListValidator::OnCheckValue(wxProperty *WXUNUSED(property), wxPropertyListView *WXUNUSED(view), wxWindow *WXUNUSED(parentWindow))
{
  return true;
}

// Called when TICK is pressed or focus is lost or view wants to update
// the property list.
// Does the transferance from the property editing area to the property itself
bool wxFilenameListValidator::OnRetrieveValue(wxProperty *property, wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  if (!view->GetValueText())
    return false;
  wxString value(view->GetValueText()->GetValue());
  property->GetValue() = value ;
  return true;
}

// Called when TICK is pressed or focus is lost or view wants to update
// the property list.
// Does the transferance from the property editing area to the property itself
bool wxFilenameListValidator::OnDisplayValue(wxProperty *property, wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  if (!view->GetValueText())
    return false;
  wxString str(property->GetValue().GetStringRepresentation());
  view->GetValueText()->SetValue(str);
  return true;
}

// Called when the property is double clicked. Extra functionality can be provided,
// cycling through possible values.
bool wxFilenameListValidator::OnDoubleClick(wxProperty *property, wxPropertyListView *view, wxWindow *parentWindow)
{
  if (!view->GetValueText())
    return false;
  OnEdit(property, view, parentWindow);
  return true;
}

bool wxFilenameListValidator::OnPrepareControls(wxProperty *WXUNUSED(property), wxPropertyListView *view, wxWindow *WXUNUSED(parentWindow))
{
  if (view->GetConfirmButton())
    view->GetConfirmButton()->Enable();
  if (view->GetCancelButton())
    view->GetCancelButton()->Enable();
  if (view->GetEditButton())
    view->GetEditButton()->Enable();
  if (view->GetValueText())
    view->GetValueText()->Enable((GetFlags() & wxPROP_ALLOW_TEXT_EDITING) == wxPROP_ALLOW_TEXT_EDITING);
  return true;
}

void wxFilenameListValidator::OnEdit(wxProperty *property, wxPropertyListView *view, wxWindow *parentWindow)
{
  if (!view->GetValueText())
    return;

#if wxUSE_FILEDLG
    wxString s = wxFileSelector(
        m_filenameMessage.GetData(),
        wxPathOnly(property->GetValue().StringValue()),
        wxFileNameFromPath(property->GetValue().StringValue()),
        NULL,
        m_filenameWildCard.GetData(),
        0,
        parentWindow);
    if ( !s.empty() )
    {
        property->GetValue() = s;
        view->DisplayProperty(property);
        view->UpdatePropertyDisplayInList(property);
        view->OnPropertyChanged(property);
    }
#else
    wxUnusedVar(property);
    wxUnusedVar(view);
    wxUnusedVar(parentWindow);
#endif
}

///
/// Colour validator
///