/******************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Charts module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/

#include <QtCharts/QBarLegendMarker>
#include <private/qbarlegendmarker_p.h>
#include <QtCharts/QAbstractBarSeries>
#include <QtCharts/QBarSet>

QT_CHARTS_BEGIN_NAMESPACE

/*!
    \class QBarLegendMarker
    \inmodule Qt Charts
    \brief QLegendMarker subclass for bar series.

    QBarLegendMarker is related to QAbstractBarSeries derived classes. With bar series, each marker is related to one QBarSet.

    \sa QLegend, QAbstractBarSeries, QBarSet
*/

/*!
  \fn virtual LegendMarkerType QBarLegendMarker::type()
  Returns QLegendMarker::LegendMarkerTypeBar
*/

/*!
  \internal
  Constructor
*/
QBarLegendMarker::QBarLegendMarker(QAbstractBarSeries *series, QBarSet *barset, QLegend *legend, QObject *parent) :
    QLegendMarker(*new QBarLegendMarkerPrivate(this,series,barset,legend), parent)
{
    d_ptr->updated();
}

/*!
  Desturctor
*/
QBarLegendMarker::~QBarLegendMarker()
{
}

/*!
    \internal
*/
QBarLegendMarker::QBarLegendMarker(QBarLegendMarkerPrivate &d, QObject *parent) :
    QLegendMarker(d, parent)
{
}

/*!
  Returns the related series of marker
*/
QAbstractBarSeries *QBarLegendMarker::series()
{
    Q_D(QBarLegendMarker);
    return d->m_series;
}

/*!
  Returns the related barset of marker
*/
QBarSet* QBarLegendMarker::barset()
{
    Q_D(QBarLegendMarker);
    return d->m_barset;
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

QBarLegendMarkerPrivate::QBarLegendMarkerPrivate(QBarLegendMarker *q, QAbstractBarSeries *series, QBarSet *barset, QLegend *legend) :
    QLegendMarkerPrivate(q,legend),
    q_ptr(q),
    m_series(series),
    m_barset(barset)
{
    QObject::connect(m_barset, SIGNAL(penChanged()), this, SLOT(updated()));
    QObject::connect(m_barset, SIGNAL(labelChanged()), this, SLOT(updated()));
    QObject::connect(m_barset, SIGNAL(brushChanged()), this, SLOT(updated()));
}

QBarLegendMarkerPrivate::~QBarLegendMarkerPrivate()
{
}

QAbstractBarSeries* QBarLegendMarkerPrivate::series()
{
    return m_series;
}

QObject* QBarLegendMarkerPrivate::relatedObject()
{
    return m_barset;
}

void QBarLegendMarkerPrivate::updated()
{
    bool labelChanged = false;
    bool brushChanged = false;
    bool penChanged = false;

    if (!m_customPen && (m_item->pen() != m_barset->pen())) {
        m_item->setPen(m_barset->pen());
        penChanged = true;
    }
    if (!m_customBrush && (m_item->brush() != m_barset->brush())) {
        m_item->setBrush(m_barset->brush());
        brushChanged = true;
    }
    if (!m_customLabel && (m_item->label() != m_barset->label())) {
        m_item->setLabel(m_barset->label());
        labelChanged = true;
    }
    invalidateLegend();

    if (labelChanged)
        emit q_ptr->labelChanged();
    if (brushChanged)
        emit q_ptr->brushChanged();
    if (penChanged)
        emit q_ptr->penChanged();
}

#include "moc_qbarlegendmarker.cpp"
#include "moc_qbarlegendmarker_p.cpp"

QT_CHARTS_END_NAMESPACE

