/*
 *   This file is part of the Okteta Kasten Framework, made within the KDE community.
 *
 *   Copyright 2010 Alex Richardson <alex.richardson@gmx.de>
 *
 *   This library is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Lesser General Public
 *   License as published by the Free Software Foundation; either
 *   version 2.1 of the License, or (at your option) version 3, or any
 *   later version accepted by the membership of KDE e.V. (or its
 *   successor approved by the membership of KDE e.V.), which shall
 *   act as a proxy defined in Section 6 of version 3 of the license.
 *
 *   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
 *   Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this library. If not, see <http://www.gnu.org/licenses/>.
 */
#include "boolbitfielddatainformation.h"

#include <KComboBox>

int BoolBitfieldDataInformation::displayBase() const
{
    int base = Kasten::StructViewPreferences::unsignedDisplayBase();
    if (base == Kasten::StructViewPreferences::EnumUnsignedDisplayBase::Binary)
    {
        return 2;
    }
    if (base == Kasten::StructViewPreferences::EnumUnsignedDisplayBase::Decimal)
    {
        return 10;
    }
    if (base == Kasten::StructViewPreferences::EnumUnsignedDisplayBase::Hexadecimal)
    {
        return 16;
    }
    return 10; //safe default value
}

QString BoolBitfieldDataInformation::valueString() const
{
    if (!mWasAbleToRead)
        return i18nc("invalid value (out of range)", "<invalid>");
    int base = displayBase();
    quint64 val = mValue.ulongValue & mask();
    if (val == 0)
        return i18nc("boolean value", "false");
    else if (val == 1)
        return i18nc("boolean value", "true");
    else
    {
        QString num = QString::number(val, base);
        if (base == 16)
            num = "0x" + num;
        if (Kasten::StructViewPreferences::localeAwareDecimalFormatting() && base
                == 10)
            num = KGlobal::locale()->formatNumber(num, false, 0);
        return i18nc("boolean value with actual value", "true (%1)", num);
    }
}

QWidget* BoolBitfieldDataInformation::createEditWidget(QWidget* parent) const
{
    if (width() == 1)
    {
        //just a simple combobox
        KComboBox* box = new KComboBox(false, parent);
        box->addItem(i18nc("boolean value", "false"));
        box->addItem(i18nc("boolean value", "true"));
        box->setCurrentIndex(mValue.ubyteValue ? 1 : 0);
        return box;
    }
    UIntSpinBox* ret = new UIntSpinBox(parent);
    ret->setBase(displayBase());
    ret->setMaximum(mask());
    return ret;
}

QVariant BoolBitfieldDataInformation::dataFromWidget(const QWidget* w) const
{
    if (width() == 1)
    {
        const KComboBox* box = static_cast<const KComboBox*> (w);
        return box->currentIndex();
    }
    const UIntSpinBox* spin = dynamic_cast<const UIntSpinBox*> (w);
    if (spin)
        return spin->value();
    else
        return QVariant();
}

void BoolBitfieldDataInformation::setWidgetData(QWidget* w) const
{
    UIntSpinBox* spin = dynamic_cast<UIntSpinBox*> (w);
    if (spin)
        spin->setValue(mValue.ulongValue & mask()); //& mask() not really necessary, just be on the safe side
}

QScriptValue BoolBitfieldDataInformation::valueAsQScriptValue() const
{
    return (mValue.ulongValue & mask()) != 0;
}

