/*
 * Copyright (C) 2009 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include "config.h"

#if ENABLE(DATAGRID)

#include "HTMLDataGridElement.h"

#include "DOMDataGridDataSource.h"
#include "HTMLNames.h"
#include "RenderDataGrid.h"
#include "Text.h"

namespace WebCore {

using namespace HTMLNames;

HTMLDataGridElement::HTMLDataGridElement(const QualifiedName& tagName, Document* document)
    : HTMLElement(tagName, document)
    , m_columns(DataGridColumnList::create(this))
{
    setDataSource(DOMDataGridDataSource::create());
}

HTMLDataGridElement::~HTMLDataGridElement()
{
    m_columns->clearDataGrid();
}

bool HTMLDataGridElement::checkDTD(const Node* newChild)
{
    if (newChild->isTextNode())
        return static_cast<const Text*>(newChild)->containsOnlyWhitespace();
    return newChild->hasTagName(dcolTag) || newChild->hasTagName(drowTag);
}

RenderObject* HTMLDataGridElement::createRenderer(RenderArena* arena, RenderStyle*)
{
    return new (arena) RenderDataGrid(this);
}

bool HTMLDataGridElement::autofocus() const
{
    return hasAttribute(autofocusAttr);
}

void HTMLDataGridElement::setAutofocus(bool autofocus)
{
    setAttribute(autofocusAttr, autofocus ? "" : 0);
}

bool HTMLDataGridElement::disabled() const
{
    return hasAttribute(disabledAttr);
}

void HTMLDataGridElement::setDisabled(bool disabled)
{
    setAttribute(disabledAttr, disabled ? "" : 0);
}

bool HTMLDataGridElement::multiple() const
{
    return hasAttribute(multipleAttr);
}

void HTMLDataGridElement::setMultiple(bool multiple)
{
    setAttribute(multipleAttr, multiple ? "" : 0);
}

void HTMLDataGridElement::setDataSource(PassRefPtr<DataGridDataSource> ds)
{
    if (m_dataSource == ds)
        return;
    
    RefPtr<DataGridDataSource> dataSource = ds;
    if (!dataSource)
        dataSource = DOMDataGridDataSource::create();
    m_dataSource = dataSource;
    
    // Always clear our columns when a data source changes.
    // The register callback will rebuild the columns.
    m_columns->clear();
}

DataGridDataSource* HTMLDataGridElement::dataSource() const
{
    ASSERT(m_dataSource);
    return m_dataSource.get();
}

} // namespace WebCore

#endif // ENABLE(DATAGRID)
