/*

 * Copyright (C) 1997 Martin Jones (mjones@kde.org)

 *           (C) 1997 Torben Weis (weis@kde.org)

 *           (C) 1998 Waldo Bastian (bastian@kde.org)

 *           (C) 1999 Lars Knoll (knoll@kde.org)

 *           (C) 1999 Antti Koivisto (koivisto@kde.org)

 * Copyright (C) 2003, 2004, 2005, 2006, 2010 Apple 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 "HTMLTableColElement.h"

#include "Attribute.h"

#include "CSSPropertyNames.h"

#include "HTMLNames.h"

#include "HTMLTableElement.h"

#include "RenderTableCol.h"

#include "Text.h"

namespace WebCore {

using namespace HTMLNames;

inline HTMLTableColElement::HTMLTableColElement(const QualifiedName& tagName, Document* document)

    : HTMLTablePartElement(tagName, document)

    , m_span(1)

{

}

PassRefPtr<HTMLTableColElement> HTMLTableColElement::create(const QualifiedName& tagName, Document* document)

{

    return adoptRef(new HTMLTableColElement(tagName, document));

}

HTMLTagStatus HTMLTableColElement::endTagRequirement() const

{

    return hasLocalName(colTag) ? TagStatusForbidden : TagStatusOptional;

}

int HTMLTableColElement::tagPriority() const

{

    return hasLocalName(colTag) ? 0 : 1;

}

bool HTMLTableColElement::checkDTD(const Node* newChild)

{

    if (hasLocalName(colTag))

        return false;

    if (newChild->isTextNode())

        return static_cast<const Text*>(newChild)->containsOnlyWhitespace();

    return newChild->hasTagName(colTag);

}

bool HTMLTableColElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const

{

    if (attrName == widthAttr) {

        result = eUniversal;

        return false;

    }

    return HTMLTablePartElement::mapToEntry(attrName, result);

}

void HTMLTableColElement::parseMappedAttribute(Attribute* attr)

{

    if (attr->name() == spanAttr) {

        m_span = !attr->isNull() ? attr->value().toInt() : 1;

        if (renderer() && renderer()->isTableCol())

            renderer()->updateFromElement();

    } else if (attr->name() == widthAttr) {

        if (!attr->value().isEmpty()) {

            addCSSLength(attr, CSSPropertyWidth, attr->value());

            if (renderer() && renderer()->isTableCol()) {

                RenderTableCol* col = toRenderTableCol(renderer());

                int newWidth = width().toInt();

                if (newWidth != col->width())

                    col->setNeedsLayoutAndPrefWidthsRecalc();

            }

        }

    } else

        HTMLTablePartElement::parseMappedAttribute(attr);

}

// used by table columns and column groups to share style decls created by the enclosing table.

void HTMLTableColElement::additionalAttributeStyleDecls(Vector<CSSMutableStyleDeclaration*>& results)

{

    if (!hasLocalName(colgroupTag))

        return;

    Node* p = parentNode();

    while (p && !p->hasTagName(tableTag))

        p = p->parentNode();

    if (!p)

        return;

    static_cast<HTMLTableElement*>(p)->addSharedGroupDecls(false, results);

}

void HTMLTableColElement::setSpan(int n)

{

    setAttribute(spanAttr, String::number(n));

}

String HTMLTableColElement::width() const

{

    return getAttribute(widthAttr);

}

}