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metadatabase.cpp

/****************************************************************************
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#include "metadatabase_p.h"

// sdk
#include <QtDesigner/QtDesigner>

// Qt
#include <QtCore/qalgorithms.h>
#include <QtCore/qdebug.h>

namespace qdesigner_internal {

MetaDataBaseItem::MetaDataBaseItem(QObject *object)
    : m_object(object),
      m_enabled(true)
{
}

MetaDataBaseItem::~MetaDataBaseItem()
{
}

QString MetaDataBaseItem::propertyComment(const QString &name) const
{
    return m_comments.value(name);
}

void MetaDataBaseItem::setPropertyComment(const QString &name, const QString &comment)
{
    m_comments.insert(name, comment);
}

QString MetaDataBaseItem::name() const
{
    Q_ASSERT(m_object);
    return m_object->objectName();
}

void MetaDataBaseItem::setName(const QString &name)
{
    Q_ASSERT(m_object);
    m_object->setObjectName(name);
}

QList<QWidget*> MetaDataBaseItem::tabOrder() const
{
    return m_tabOrder;
}

void MetaDataBaseItem::setTabOrder(const QList<QWidget*> &tabOrder)
{
    m_tabOrder = tabOrder;
}

bool MetaDataBaseItem::enabled() const
{
    return m_enabled;
}

void MetaDataBaseItem::setEnabled(bool b)
{
    m_enabled = b;
}

// -----------------------------------------------------
MetaDataBase::MetaDataBase(QDesignerFormEditorInterface *core, QObject *parent)
    : QDesignerMetaDataBaseInterface(parent),
      m_core(core)
{
}

MetaDataBase::~MetaDataBase()
{
    qDeleteAll(m_items);
}

QDesignerMetaDataBaseItemInterface *MetaDataBase::item(QObject *object) const
{
    MetaDataBaseItem *i = m_items.value(object);
    if (i == 0 || !i->enabled())
        return 0;
    return i;
}

void MetaDataBase::add(QObject *object)
{
    MetaDataBaseItem *item = m_items.value(object);
    if (item != 0) {
        item->setEnabled(true);
        return;
    }

    item = new MetaDataBaseItem(object);
    m_items.insert(object, item);
    connect(object, SIGNAL(destroyed(QObject*)),
        this, SLOT(slotDestroyed(QObject*)));

    emit changed();
}

void MetaDataBase::remove(QObject *object)
{
    Q_ASSERT(object);

    if (MetaDataBaseItem *item = m_items.value(object)) {
        item->setEnabled(false);
        emit changed();
    }
}

QList<QObject*> MetaDataBase::objects() const
{
    QList<QObject*> result;

    ItemMap::const_iterator it = m_items.begin();
    for (; it != m_items.end(); ++it) {
        if (it.value()->enabled())
            result.append(it.key());
    }

    return result;
}

QDesignerFormEditorInterface *MetaDataBase::core() const
{
    return m_core;
}

void MetaDataBase::slotDestroyed(QObject *object)
{
    if (m_items.contains(object)) {
        MetaDataBaseItem *item = m_items.value(object);
        delete item;
        m_items.remove(object);
    }
}

void MetaDataBase::dump()
{
    QHashIterator<QObject *, MetaDataBaseItem*> it(m_items);
    while (it.hasNext()) {
        it.next();

        qDebug() << it.value() << "item:" << it.key() << "comments:" << it.value()->comments();
    }
}


} // namespace qdesigner_internal

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