C++ WndProperty::SetDataField方法代码示例

WndProperty *
RowFormWidget::AddFile(const TCHAR *label, const TCHAR *help,
                       const char *registry_key, const TCHAR *filters,
                       FileType file_type,
                       bool nullable)
{
  WndProperty *edit = Add(label, help);
  auto *df = new FileDataField();
  df->SetFileType(file_type);
  edit->SetDataField(df);

  if (nullable)
    df->AddNull();

  df->ScanMultiplePatterns(filters);

  if (registry_key != nullptr) {
    const auto path = Profile::GetPath(registry_key);
    if (!path.IsNull())
      df->Lookup(path);
  }

  edit->RefreshDisplay();

  return edit;
}

WndProperty *
RowFormWidget::AddFileReader(const TCHAR *label, const TCHAR *help,
                             const TCHAR *registry_key, const TCHAR *filters,
                             bool nullable)
{
  WndProperty *edit = Add(label, help);
  DataFieldFileReader *df = new DataFieldFileReader(NULL);
  edit->SetDataField(df);

  if (nullable)
    df->AddNull();

  size_t length;
  while ((length = _tcslen(filters)) > 0) {
    df->ScanDirectoryTop(filters);
    filters += length + 1;
  }

  TCHAR path[MAX_PATH];
  if (Profile::GetPath(registry_key, path))
    df->Lookup(path);

  edit->RefreshDisplay();

  return edit;
}

void
RowFormWidget::AddReadOnly(const TCHAR *label, const TCHAR *help,
                           bool value)
{
  WndProperty *edit = Add(label, help, true);
  DataFieldBoolean *df = new DataFieldBoolean(value, _("On"), _("Off"));
  edit->SetDataField(df);
}

void
RowFormWidget::AddReadOnly(const TCHAR *label, const TCHAR *help,
                           const TCHAR *display_format,
                           double value)
{
  WndProperty *edit = Add(label, help, true);
  DataFieldFloat *df = new DataFieldFloat(display_format, display_format,
                                          0, 0, value, 1, false);
  edit->SetDataField(df);
}

WndProperty *
RowFormWidget::AddEnum(const TCHAR *label, const TCHAR *help,
                       const StaticEnumChoice *list, unsigned value,
                       DataField::DataAccessCallback callback)
{
  assert(list != NULL);

  WndProperty *edit = Add(label, help);
  DataFieldEnum *df = new DataFieldEnum(callback);

  if (list[0].help != NULL)
    df->EnableItemHelp(true);

  df->AddChoices(list);
  df->Set(value);

  edit->SetDataField(df);
  return edit;
}

WndProperty *
RowFormWidget::AddEnum(const TCHAR *label, const TCHAR *help,
                       const StaticEnumChoice *list, unsigned value,
                       DataFieldListener *listener)
{
  assert(list != nullptr);

  WndProperty *edit = Add(label, help);
  DataFieldEnum *df = new DataFieldEnum(listener);

  if (list[0].help != nullptr)
    df->EnableItemHelp(true);

  df->AddChoices(list);
  df->Set(value);

  edit->SetDataField(df);
  return edit;
}

//.........这里部分代码省略.........
    if (IsEmbedded() || Layout::scale_1024 < 2048)
      /* sunken edge doesn't fit well on the tiny screen of an
         embedded device */
      edit_style.Border();
    else
      edit_style.SunkenEdge();

    if (multi_line) {
      edit_style.multiline();
      edit_style.VerticalScroll();
    }

    WndProperty *property;
    window = property = new WndProperty(parent, *xml_dialog_look, caption, rc,
                                        caption_width, style, edit_style,
                                        data_notify_callback);

    // Set the help function event callback
    property->SetOnHelpCallback(help_callback);

    // Load the help text
    property->SetHelpText(StringToStringDflt(node.getAttribute(_T("Help")),
                                             NULL));

    // If the control has (at least) one DataField child control
    const XMLNode *data_field_node = node.getChildNode(_T("DataField"));
    if (data_field_node != NULL) {
      // -> Load the first DataField control
      DataField *data_field =
        LoadDataField(*data_field_node, lookup_table);

      if (data_field != NULL)
        // Tell the Property control about the DataField control
        property->SetDataField(data_field);
    }

  } else if (StringIsEqual(node.getName(), _T("TextEdit"))) {
    // Determine whether the control is multiline or readonly
    bool multi_line = StringToIntDflt(node.getAttribute(_T("MultiLine")), 0);
    bool read_only = StringToIntDflt(node.getAttribute(_T("ReadOnly")), 0);

    EditWindowStyle edit_style(style);
    if (read_only)
      edit_style.read_only();
    else
      edit_style.TabStop();

    if (IsEmbedded() || Layout::scale_1024 < 2048)
      /* sunken edge doesn't fit well on the tiny screen of an
         embedded device */
      edit_style.Border();
    else
      edit_style.SunkenEdge();

    if (multi_line) {
      edit_style.multiline();
      edit_style.VerticalScroll();
    }

    EditWindow *edit;
    window = edit = new EditWindow();
    edit->set(parent, pos.x, pos.y, size.cx, size.cy, edit_style);
    edit->InstallWndProc();
    edit->set_font(*xml_dialog_look->text_font);

  // ButtonControl (WndButton)

//.........这里部分代码省略.........
      edit_style.border();
    else
      edit_style.sunken_edge();

    if (MultiLine) {
      edit_style.multiline();
      edit_style.vscroll();
    }

    window = W = new WndProperty(parent, Caption,
                                 pos.x, pos.y, size.cx, size.cy,
                                 CaptionWidth, background_color,
                                 style, edit_style,
                                 DataNotifyCallback);

    // Set the fore- and background color
    LoadColors(*W, node);

    // Set the help function event callback
    W->SetOnHelpCallback(OnHelpCallback);

    // Load the help text
    W->SetHelpText(StringToStringDflt(node.getAttribute(_T("Help")), _T("")));

    // If the control has (at least) one DataField child control
    if (node.nChildNode(_T("DataField")) > 0){
      // -> Load the first DataField control
      DataField *data_field =
        LoadDataField(node.getChildNode(_T("DataField"), 0),
                      LookUpTable, eDialogStyle);

      if (data_field != NULL)
        // Tell the Property control about the DataField control
        W->SetDataField(data_field);
    }

  // ButtonControl (WndButton)
  } else if (_tcscmp(node.getName(), _T("Button")) == 0) {
    // Determine ClickCallback function
    WndButton::ClickNotifyCallback_t ClickCallback =
      (WndButton::ClickNotifyCallback_t)
      GetCallBack(LookUpTable, node, _T("OnClick"));

    // Create the ButtonControl

    ButtonWindowStyle bstyle(style);
    bstyle.tab_stop();
    bstyle.multiline();

    window = new WndButton(parent, Caption,
                           pos.x, pos.y, size.cx, size.cy,
                           bstyle, ClickCallback);

  } else if (_tcscmp(node.getName(), _T("CheckBox")) == 0) {
    // Determine ClickCallback function
    CheckBoxControl::ClickNotifyCallback_t ClickCallback =
      (CheckBoxControl::ClickNotifyCallback_t)
      GetCallBack(LookUpTable, node, _T("OnClick"));

    // Create the CheckBoxControl

    style.tab_stop();

    window = new CheckBoxControl(parent, Caption,
                                 pos.x, pos.y, size.cx, size.cy,
                                 style,