/**

 * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)

 *

 * 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"

#if ENABLE(WML)

#include "WMLOptGroupElement.h"

#include "Attribute.h"

#include "Document.h"

#include "HTMLNames.h"

#include "NodeRenderStyle.h"

#include "RenderStyle.h"

#include "WMLNames.h"

#include "WMLSelectElement.h"

namespace WebCore {

using namespace WMLNames;

WMLOptGroupElement::WMLOptGroupElement(const QualifiedName& tagName, Document* doc)

    : WMLFormControlElement(tagName, doc)

{

}

WMLOptGroupElement::~WMLOptGroupElement()

{

}

const AtomicString& WMLOptGroupElement::formControlType() const

{

    DEFINE_STATIC_LOCAL(const AtomicString, optgroup, ("optgroup"));

    return optgroup;

}

bool WMLOptGroupElement::insertBefore(PassRefPtr<Node> newChild, Node* refChild, ExceptionCode& ec, bool shouldLazyAttach)

{

    bool result = WMLFormControlElement::insertBefore(newChild, refChild, ec, shouldLazyAttach);

    if (result)

        recalcSelectOptions();

    return result;

}

bool WMLOptGroupElement::replaceChild(PassRefPtr<Node> newChild, Node* oldChild, ExceptionCode& ec, bool shouldLazyAttach)

{

    bool result = WMLFormControlElement::replaceChild(newChild, oldChild, ec, shouldLazyAttach);

    if (result)

        recalcSelectOptions();

    return result;

}

bool WMLOptGroupElement::removeChild(Node* oldChild, ExceptionCode& ec)

{

    bool result = WMLFormControlElement::removeChild(oldChild, ec);

    if (result)

        recalcSelectOptions();

    return result;

}

bool WMLOptGroupElement::appendChild(PassRefPtr<Node> newChild, ExceptionCode& ec, bool shouldLazyAttach)

{

    bool result = WMLFormControlElement::appendChild(newChild, ec, shouldLazyAttach);

    if (result)

        recalcSelectOptions();

    return result;

}

bool WMLOptGroupElement::removeChildren()

{

    bool result = WMLFormControlElement::removeChildren();

    if (result)

        recalcSelectOptions();

    return result;

}

static inline WMLSelectElement* ownerSelectElement(Element* element)

{

    Node* select = element->parentNode();

    while (select && !select->hasTagName(selectTag))

        select = select->parentNode();

    if (!select)

        return 0;

    return static_cast<WMLSelectElement*>(select);

}

void WMLOptGroupElement::accessKeyAction(bool)

{

    WMLSelectElement* select = ownerSelectElement(this);

    if (!select || select->focused())

        return;

    // send to the parent to bring focus to the list box

    select->accessKeyAction(false);

}

void WMLOptGroupElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)

{

    recalcSelectOptions();

    WMLFormControlElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);

}

void WMLOptGroupElement::parseMappedAttribute(Attribute* attr)

{

    WMLFormControlElement::parseMappedAttribute(attr);

    recalcSelectOptions();

}

void WMLOptGroupElement::attach()

{

    if (parentNode()->renderStyle())

        setRenderStyle(styleForRenderer());

    WMLFormControlElement::attach();

}

void WMLOptGroupElement::detach()

{

    m_style.clear();

    WMLFormControlElement::detach();

}

void WMLOptGroupElement::setRenderStyle(PassRefPtr<RenderStyle> style)

{

    m_style = style;

}

RenderStyle* WMLOptGroupElement::nonRendererRenderStyle() const

{

    return m_style.get();

}

String WMLOptGroupElement::groupLabelText() const

{

    String itemText = document()->displayStringModifiedByEncoding(title());

    // In WinIE, leading and trailing whitespace is ignored in options and optgroups. We match this behavior.

    itemText = itemText.stripWhiteSpace();

    // We want to collapse our whitespace too.  This will match other browsers.

    itemText = itemText.simplifyWhiteSpace();

    return itemText;

}

void WMLOptGroupElement::recalcSelectOptions()

{

    if (WMLSelectElement* select = ownerSelectElement(this))

        select->setRecalcListItems();

}

}

#endif