C++ (Cpp) placeholderElement示例

示例#1

文件： HTMLTextFormControlElement.cpp 项目： awong-chromium/webkit

void HTMLTextFormControlElement::updatePlaceholderVisibility(bool placeholderValueChanged)
{
    if (!supportsPlaceholder())
        return;
    if (!placeholderElement() || placeholderValueChanged)
        updatePlaceholderText();
    HTMLElement* placeholder = placeholderElement();
    if (!placeholder)
        return;
    placeholder->setInlineStyleProperty(CSSPropertyVisibility, placeholderShouldBeVisible() ? "visible" : "hidden");
}

示例#2

void HTMLTextFormControlElement::updatePlaceholderVisibility(bool placeholderValueChanged)
{
    if (!supportsPlaceholder())
        return;
    if (!placeholderElement() || placeholderValueChanged)
        updatePlaceholderText();
    HTMLElement* placeholder = placeholderElement();
    if (!placeholder)
        return;
    ExceptionCode ec = 0;
    placeholder->ensureInlineStyleDecl()->setProperty(CSSPropertyVisibility, placeholderShouldBeVisible() ? "visible" : "hidden", ec);
    ASSERT(!ec);
}

示例#3

文件： HTMLTextFormControlElement.cpp 项目： Happy-Ferret/webkit.js

void HTMLTextFormControlElement::hidePlaceholder()
{
    if (!supportsPlaceholder())
        return;
    HTMLElement* placeholder = placeholderElement();
    if (!placeholder) {
        updatePlaceholderText();
        return;
    }
    placeholder->setInlineStyleProperty(CSSPropertyVisibility, ASCIILiteral("hidden"));
}

示例#4

文件： HTMLTextFormControlElement.cpp 项目： clbr/webkitfltk

void HTMLTextFormControlElement::updatePlaceholderVisibility()
{
    bool placeHolderWasVisible = m_isPlaceholderVisible;
    m_isPlaceholderVisible = placeholderShouldBeVisible();

    if (placeHolderWasVisible == m_isPlaceholderVisible)
        return;

    setNeedsStyleRecalc();

    if (HTMLElement* placeholder = placeholderElement())
        placeholder->setInlineStyleProperty(CSSPropertyDisplay, m_isPlaceholderVisible ? CSSValueBlock : CSSValueNone, true);
}

示例#5

void HTMLTextFormControlElement::updatePlaceholderVisibility()
{
    HTMLElement* placeholder = placeholderElement();
    if (!placeholder) {
        updatePlaceholderText();
        return;
    }

    bool placeHolderWasVisible = isPlaceholderVisible();
    setPlaceholderVisibility(placeholderShouldBeVisible());
    if (placeHolderWasVisible == isPlaceholderVisible())
        return;

    pseudoStateChanged(CSSSelector::PseudoPlaceholderShown);
    placeholder->setInlineStyleProperty(CSSPropertyDisplay, isPlaceholderVisible() ? CSSValueBlock : CSSValueNone, true);
}

示例#6

文件： HTMLTextAreaElement.cpp 项目： chunywang/blink-crosswalk

void HTMLTextAreaElement::updatePlaceholderText()
{
    HTMLElement* placeholder = placeholderElement();
    String placeholderText = strippedPlaceholder();
    if (placeholderText.isEmpty()) {
        if (placeholder)
            userAgentShadowRoot()->removeChild(placeholder);
        return;
    }
    if (!placeholder) {
        RefPtr<HTMLDivElement> newElement = HTMLDivElement::create(document());
        placeholder = newElement.get();
        placeholder->setPart(AtomicString("-webkit-input-placeholder", AtomicString::ConstructFromLiteral));
        placeholder->setAttribute(idAttr, ShadowElementNames::placeholder());
        userAgentShadowRoot()->insertBefore(placeholder, innerTextElement()->nextSibling());
    }
    placeholder->setTextContent(placeholderText, ASSERT_NO_EXCEPTION);
}

示例#7

文件： HTMLTextAreaElement.cpp 项目： RobinWuDev/Qt

void HTMLTextAreaElement::updatePlaceholderText()
{
    HTMLElement* placeholder = placeholderElement();
    const AtomicString& placeholderText = fastGetAttribute(placeholderAttr);
    if (placeholderText.isEmpty()) {
        if (placeholder)
            userAgentShadowRoot()->removeChild(placeholder);
        return;
    }
    if (!placeholder) {
        RefPtrWillBeRawPtr<HTMLDivElement> newElement = HTMLDivElement::create(document());
        placeholder = newElement.get();
        placeholder->setShadowPseudoId(AtomicString("-webkit-input-placeholder", AtomicString::ConstructFromLiteral));
        placeholder->setAttribute(idAttr, ShadowElementNames::placeholder());
        userAgentShadowRoot()->insertBefore(placeholder, innerEditorElement()->nextSibling());
    }
    placeholder->setTextContent(placeholderText);
}

示例#8

文件： HTMLTextAreaElement.cpp 项目： mirror/chromium

void HTMLTextAreaElement::updatePlaceholderText() {
  HTMLElement* placeholder = placeholderElement();
  const AtomicString& placeholderText = fastGetAttribute(placeholderAttr);
  if (placeholderText.isEmpty()) {
    if (placeholder)
      userAgentShadowRoot()->removeChild(placeholder);
    return;
  }
  if (!placeholder) {
    HTMLDivElement* newElement = HTMLDivElement::create(document());
    placeholder = newElement;
    placeholder->setShadowPseudoId(AtomicString("-webkit-input-placeholder"));
    placeholder->setAttribute(idAttr, ShadowElementNames::placeholder());
    placeholder->setInlineStyleProperty(
        CSSPropertyDisplay,
        isPlaceholderVisible() ? CSSValueBlock : CSSValueNone, true);
    userAgentShadowRoot()->insertBefore(placeholder, innerEditorElement());
  }
  placeholder->setTextContent(placeholderText);
}

示例#9

文件： HTMLTextFormControlElement.cpp 项目： clbr/webkitfltk

void HTMLTextFormControlElement::showPlaceholderIfNecessary()
{
    if (HTMLElement* placeholder = placeholderElement())
        placeholder->setInlineStyleProperty(CSSPropertyVisibility, CSSValueVisible, true);
}

示例#10

文件： HTMLTextFormControlElement.cpp 项目： clbr/webkitfltk

void HTMLTextFormControlElement::hidePlaceholder()
{
    if (HTMLElement* placeholder = placeholderElement())
        placeholder->setInlineStyleProperty(CSSPropertyVisibility, CSSValueHidden, true);
}