/*********
*
* In the name of the Father, and of the Son, and of the Holy Spirit.
*
* This file is part of BibleTime's source code, http://www.bibletime.info/.
*
* Copyright 1999-2016 by the BibleTime developers.
* The BibleTime source code is licensed under the GNU General Public License
* version 2.0.
*
**********/

#include "item.h"

#include "btbookshelfmodel.h"


namespace BookshelfModel {

Item::~Item() {
    qDeleteAll(m_children);
}

int Item::indexFor(Item * newItem) {
    BT_ASSERT(newItem);

    if (m_children.empty())
        return 0;

    int i = 0;
    for (;;) {
        Item * const nextItem(m_children.at(i));
        BT_ASSERT(nextItem->type() == newItem->type());
        if (*newItem < *nextItem)
            return i;

        i++;
        if (i >= m_children.size())
            return i;
    }
}

QVariant Item::data(int role) const {
    switch (role) {

        case Qt::CheckStateRole:
            return m_checkState;

        case BtBookshelfModel::ModuleHiddenRole:
            if (m_children.empty())
                return true;

            Q_FOREACH(Item const * const child, m_children)
                if (!child->data(role).toBool())
                    return false;
            return true;

        default:
            return QVariant();

    }
}

bool Item::operator<(const Item & other) const {
    if (m_type != other.type())
        return m_type < other.type();

    const QString first(data(Qt::DisplayRole).toString().toLower());
    const QString second(other.data(Qt::DisplayRole).toString().toLower());
    return first.localeAwareCompare(second) < 0;
}

} // namespace BookshelfModel
