C++ (Cpp) HTMLSelectElement::optionList Examples

Example #1

void LayoutMenuList::updateFromElement() {
  HTMLSelectElement* select = selectElement();
  HTMLOptionElement* option = select->optionToBeShown();
  String text = emptyString();
  m_optionStyle.clear();

  if (select->isMultiple()) {
    unsigned selectedCount = 0;
    HTMLOptionElement* selectedOptionElement = nullptr;
    for (const auto& option : select->optionList()) {
      if (option->selected()) {
        if (++selectedCount == 1)
          selectedOptionElement = option;
      }
    }

    if (selectedCount == 1) {
      text = selectedOptionElement->textIndentedToRespectGroupLabel();
      m_optionStyle = selectedOptionElement->mutableComputedStyle();
    } else {
      Locale& locale = select->locale();
      String localizedNumberString =
          locale.convertToLocalizedNumber(String::number(selectedCount));
      text = locale.queryString(WebLocalizedString::SelectMenuListText,
                                localizedNumberString);
      ASSERT(!m_optionStyle);
    }
  } else {
    if (option) {
      text = option->textIndentedToRespectGroupLabel();
      m_optionStyle = option->mutableComputedStyle();
    }
  }

  setText(text.stripWhiteSpace());

  didUpdateActiveOption(option);
}