/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Enterprise Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/

#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.
    \mainclass

    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