本文整理汇总了C++中HTMLFormControlElement::showValidationMessage方法的典型用法代码示例。如果您正苦于以下问题:C++ HTMLFormControlElement::showValidationMessage方法的具体用法?C++ HTMLFormControlElement::showValidationMessage怎么用?C++ HTMLFormControlElement::showValidationMessage使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类HTMLFormControlElement
的用法示例。
在下文中一共展示了HTMLFormControlElement::showValidationMessage方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: validateInteractively
bool HTMLFormElement::validateInteractively()
{
const FormAssociatedElement::List& elements = associatedElements();
for (unsigned i = 0; i < elements.size(); ++i) {
if (elements[i]->isFormControlElement())
toHTMLFormControlElement(elements[i])->hideVisibleValidationMessage();
}
WillBeHeapVector<RefPtrWillBeMember<HTMLFormControlElement>> unhandledInvalidControls;
if (!checkInvalidControlsAndCollectUnhandled(&unhandledInvalidControls, CheckValidityDispatchInvalidEvent))
return true;
// Because the form has invalid controls, we abort the form submission and
// show a validation message on a focusable form control.
// Needs to update layout now because we'd like to call isFocusable(), which
// has !layoutObject()->needsLayout() assertion.
document().updateLayoutIgnorePendingStylesheets();
RefPtrWillBeRawPtr<HTMLFormElement> protector(this);
// Focus on the first focusable control and show a validation message.
for (unsigned i = 0; i < unhandledInvalidControls.size(); ++i) {
HTMLFormControlElement* unhandled = unhandledInvalidControls[i].get();
if (unhandled->isFocusable()) {
unhandled->showValidationMessage();
break;
}
}
// Warn about all of unfocusable controls.
if (document().frame()) {
for (unsigned i = 0; i < unhandledInvalidControls.size(); ++i) {
HTMLFormControlElement* unhandled = unhandledInvalidControls[i].get();
if (unhandled->isFocusable())
continue;
String message("An invalid form control with name='%name' is not focusable.");
message.replace("%name", unhandled->name());
document().addConsoleMessage(ConsoleMessage::create(RenderingMessageSource, ErrorMessageLevel, message));
}
}
return false;
}