/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "declarativecategoryaxis.h"
#include <QtCore/QDebug>

QT_CHARTS_BEGIN_NAMESPACE

/*!
    \qmltype CategoryRange
    \inqmlmodule QtCharts

    \brief With CategoryRange you can define a range used by a CategoryAxis.
    \sa CategoryAxis
*/

DeclarativeCategoryRange::DeclarativeCategoryRange(QObject *parent) :
    QObject(parent),
    m_endValue(0),
    m_label(QString())
{
}

DeclarativeCategoryAxis::DeclarativeCategoryAxis(QObject *parent) :
    QCategoryAxis(parent)
{
}

void DeclarativeCategoryAxis::classBegin()
{
}

void DeclarativeCategoryAxis::componentComplete()
{
    QList<QPair<QString, qreal> > ranges;
    foreach (QObject *child, children()) {
        if (qobject_cast<DeclarativeCategoryRange *>(child)) {
            DeclarativeCategoryRange *range = qobject_cast<DeclarativeCategoryRange *>(child);
            ranges.append(QPair<QString, qreal>(range->label(), range->endValue()));
        }
    }

    // Sort and append the range objects according to end value
    qSort(ranges.begin(), ranges.end(), endValueLessThan);
    for (int i(0); i < ranges.count(); i++)
        append(ranges.at(i).first, ranges.at(i).second);
}

bool DeclarativeCategoryAxis::endValueLessThan(const QPair<QString, qreal> &value1, const QPair<QString, qreal> &value2)
{
    return value1.second < value2.second;
}

QQmlListProperty<QObject> DeclarativeCategoryAxis::axisChildren()
{
    return QQmlListProperty<QObject>(this, 0, &DeclarativeCategoryAxis::appendAxisChildren ,0,0,0);
}

void DeclarativeCategoryAxis::append(const QString &label, qreal categoryEndValue)
{
    QCategoryAxis::append(label, categoryEndValue);
}

void DeclarativeCategoryAxis::remove(const QString &label)
{
    QCategoryAxis::remove(label);
}

void DeclarativeCategoryAxis::replace(const QString &oldLabel, const QString &newLabel)
{
    QCategoryAxis::replaceLabel(oldLabel, newLabel);
}

void DeclarativeCategoryAxis::appendAxisChildren(QQmlListProperty<QObject> *list, QObject *element)
{
    // Empty implementation; the children are parsed in componentComplete instead
    Q_UNUSED(list)
    Q_UNUSED(element)
}

DeclarativeCategoryAxis::AxisLabelsPosition DeclarativeCategoryAxis::labelsPosition() const
{
    return (DeclarativeCategoryAxis::AxisLabelsPosition) QCategoryAxis::labelsPosition();
}

void DeclarativeCategoryAxis::setLabelsPosition(AxisLabelsPosition position)
{
    if (position != m_labelsPosition) {
        QCategoryAxis::setLabelsPosition((QCategoryAxis::AxisLabelsPosition)position);
        emit labelsPositionChanged(position);
    }
}

#include "moc_declarativecategoryaxis.cpp"

QT_CHARTS_END_NAMESPACE