blob: 966f8374e3319bd22a3ab20505de269e282a31b3 [file] [log] [blame]
/*
* 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