/**

 * This file is part of the DOM implementation for KDE.

 *

 * 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 Apple Computer, Inc.

 * Copyright (C) 2007 Trolltech ASA

 *

 * 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 "RenderTableCol.h"

#include "CachedImage.h"

#include "HTMLNames.h"

#include "HTMLTableColElement.h"

#include "TextStream.h"

namespace WebCore {

using namespace HTMLNames;

RenderTableCol::RenderTableCol(Node* node)

    : RenderContainer(node), m_span(1)

{

    // init RenderObject attributes

    setInline(true); // our object is not Inline

    updateFromElement();

}

void RenderTableCol::updateFromElement()

{

    int oldSpan = m_span;

    Node* node = element();

    if (node && (node->hasTagName(colTag) || node->hasTagName(colgroupTag))) {

        HTMLTableColElement* tc = static_cast<HTMLTableColElement*>(node);

        m_span = tc->span();

    } else

        m_span = !(style() && style()->display() == TABLE_COLUMN_GROUP);

    if (m_span != oldSpan && style() && parent())

        setNeedsLayoutAndPrefWidthsRecalc();

}

bool RenderTableCol::isChildAllowed(RenderObject* child, RenderStyle* style) const

{

    return !child->isText() && style && (style->display() == TABLE_COLUMN);

}

bool RenderTableCol::canHaveChildren() const

{

    // Cols cannot have children. This is actually necessary to fix a bug

    // with libraries.uc.edu, which makes a <p> be a table-column.

    return style()->display() == TABLE_COLUMN_GROUP;

}

IntRect RenderTableCol::absoluteClippedOverflowRect()

{

    // For now, just repaint the whole table.

    // FIXME: Find a better way to do this, e.g., need to repaint all the cells that we

    // might have propagated a background color or borders into.

    RenderObject* table = parent();

    if (table && !table->isTable())

        table = table->parent();

    if (table && table->isTable())

        return table->absoluteClippedOverflowRect();

    return IntRect();

}

void RenderTableCol::imageChanged(CachedImage* image)

{

    if (!image || !image->canRender() || !parent())

        return;

    // FIXME: Repaint only the rect the image paints in.

    repaint();

}

#ifndef NDEBUG

void RenderTableCol::dump(TextStream* stream, DeprecatedString ind) const

{

    *stream << " span=" << m_span;

    RenderContainer::dump(stream, ind);

}

#endif

}