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Diffstat (limited to 'Source/WebCore/html/HTMLOptionElement.cpp')
| -rw-r--r-- | Source/WebCore/html/HTMLOptionElement.cpp | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/Source/WebCore/html/HTMLOptionElement.cpp b/Source/WebCore/html/HTMLOptionElement.cpp new file mode 100644 index 0000000..966f837 --- /dev/null +++ b/Source/WebCore/html/HTMLOptionElement.cpp @@ -0,0 +1,257 @@ +/* + * Copyright (C) 1999 Lars Knoll (knoll@kde.org) + * (C) 1999 Antti Koivisto (koivisto@kde.org) + * (C) 2001 Dirk Mueller (mueller@kde.org) + * (C) 2006 Alexey Proskuryakov (ap@nypop.com) + * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved. + * Copyright (C) 2010 Google Inc. All rights reserved. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#include "config.h" +#include "HTMLOptionElement.h" + +#include "Attribute.h" +#include "CSSStyleSelector.h" +#include "Document.h" +#include "ExceptionCode.h" +#include "HTMLNames.h" +#include "HTMLSelectElement.h" +#include "NodeRenderStyle.h" +#include "RenderMenuList.h" +#include "Text.h" +#include <wtf/StdLibExtras.h> +#include <wtf/Vector.h> + +namespace WebCore { + +using namespace HTMLNames; + +HTMLOptionElement::HTMLOptionElement(const QualifiedName& tagName, Document* document, HTMLFormElement* form) + : HTMLFormControlElement(tagName, document, form) +{ + ASSERT(hasTagName(optionTag)); +} + +PassRefPtr<HTMLOptionElement> HTMLOptionElement::create(Document* document, HTMLFormElement* form) +{ + return adoptRef(new HTMLOptionElement(optionTag, document, form)); +} + +PassRefPtr<HTMLOptionElement> HTMLOptionElement::create(const QualifiedName& tagName, Document* document, HTMLFormElement* form) +{ + return adoptRef(new HTMLOptionElement(tagName, document, form)); +} + +PassRefPtr<HTMLOptionElement> HTMLOptionElement::createForJSConstructor(Document* document, const String& data, const String& value, + bool defaultSelected, bool selected, ExceptionCode& ec) +{ + RefPtr<HTMLOptionElement> element = adoptRef(new HTMLOptionElement(optionTag, document)); + + RefPtr<Text> text = Text::create(document, data.isNull() ? "" : data); + + ec = 0; + element->appendChild(text.release(), ec); + if (ec) + return 0; + + if (!value.isNull()) + element->setValue(value); + element->setDefaultSelected(defaultSelected); + element->setSelected(selected); + + return element.release(); +} + +void HTMLOptionElement::attach() +{ + if (parentNode()->renderStyle()) + setRenderStyle(styleForRenderer()); + HTMLFormControlElement::attach(); +} + +void HTMLOptionElement::detach() +{ + m_style.clear(); + HTMLFormControlElement::detach(); +} + +bool HTMLOptionElement::supportsFocus() const +{ + return HTMLElement::supportsFocus(); +} + +bool HTMLOptionElement::isFocusable() const +{ + // Option elements do not have a renderer so we check the renderStyle instead. + return supportsFocus() && renderStyle() && renderStyle()->display() != NONE; +} + +const AtomicString& HTMLOptionElement::formControlType() const +{ + DEFINE_STATIC_LOCAL(const AtomicString, option, ("option")); + return option; +} + +String HTMLOptionElement::text() const +{ + return OptionElement::collectOptionLabelOrText(m_data, this); +} + +void HTMLOptionElement::setText(const String &text, ExceptionCode& ec) +{ + // Handle the common special case where there's exactly 1 child node, and it's a text node. + Node* child = firstChild(); + if (child && child->isTextNode() && !child->nextSibling()) { + static_cast<Text *>(child)->setData(text, ec); + return; + } + + removeChildren(); + appendChild(Text::create(document(), text), ec); +} + +void HTMLOptionElement::accessKeyAction(bool) +{ + HTMLSelectElement* select = ownerSelectElement(); + if (select) + select->accessKeySetSelectedIndex(index()); +} + +int HTMLOptionElement::index() const +{ + return OptionElement::optionIndex(ownerSelectElement(), this); +} + +void HTMLOptionElement::parseMappedAttribute(Attribute* attr) +{ + if (attr->name() == selectedAttr) + m_data.setSelected(!attr->isNull()); + else if (attr->name() == valueAttr) + m_data.setValue(attr->value()); + else if (attr->name() == labelAttr) + m_data.setLabel(attr->value()); + else + HTMLFormControlElement::parseMappedAttribute(attr); +} + +String HTMLOptionElement::value() const +{ + return OptionElement::collectOptionValue(m_data, this); +} + +void HTMLOptionElement::setValue(const String& value) +{ + setAttribute(valueAttr, value); +} + +bool HTMLOptionElement::selected() const +{ + if (HTMLSelectElement* select = ownerSelectElement()) + select->recalcListItemsIfNeeded(); + return m_data.selected(); +} + +void HTMLOptionElement::setSelected(bool selected) +{ + if (m_data.selected() == selected) + return; + + OptionElement::setSelectedState(m_data, this, selected); + + if (HTMLSelectElement* select = ownerSelectElement()) + select->setSelectedIndex(selected ? index() : -1, false); +} + +void HTMLOptionElement::setSelectedState(bool selected) +{ + OptionElement::setSelectedState(m_data, this, selected); +} + +void HTMLOptionElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta) +{ + HTMLSelectElement* select = ownerSelectElement(); + if (select) + select->childrenChanged(changedByParser); + HTMLFormControlElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta); +} + +HTMLSelectElement* HTMLOptionElement::ownerSelectElement() const +{ + ContainerNode* select = parentNode(); + while (select && !select->hasTagName(selectTag)) + select = select->parentNode(); + + if (!select) + return 0; + + return static_cast<HTMLSelectElement*>(select); +} + +bool HTMLOptionElement::defaultSelected() const +{ + return fastHasAttribute(selectedAttr); +} + +void HTMLOptionElement::setDefaultSelected(bool b) +{ + setAttribute(selectedAttr, b ? "" : 0); +} + +String HTMLOptionElement::label() const +{ + return m_data.label(); +} + +void HTMLOptionElement::setRenderStyle(PassRefPtr<RenderStyle> newStyle) +{ + m_style = newStyle; + if (HTMLSelectElement* select = ownerSelectElement()) + if (RenderObject* renderer = select->renderer()) + renderer->repaint(); +} + +RenderStyle* HTMLOptionElement::nonRendererRenderStyle() const +{ + return m_style.get(); +} + +String HTMLOptionElement::textIndentedToRespectGroupLabel() const +{ + return OptionElement::collectOptionTextRespectingGroupLabel(m_data, this); +} + +bool HTMLOptionElement::disabled() const +{ + return ownElementDisabled() || (parentNode() && static_cast<HTMLFormControlElement*>(parentNode())->disabled()); +} + +void HTMLOptionElement::insertedIntoTree(bool deep) +{ + if (HTMLSelectElement* select = ownerSelectElement()) { + select->setRecalcListItems(); + // Avoid our selected() getter since it will recalculate list items incorrectly for us. + if (m_data.selected()) + select->setSelectedIndex(index(), false); + select->scrollToSelection(); + } + + HTMLFormControlElement::insertedIntoTree(deep); +} + +} // namespace |