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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "legendmarker_p.h"
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#include "qlegend.h"
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#include "qbarseries.h"
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#include "qpieseries.h"
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#include <qpieslice.h>
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#include <qbarset.h>
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#include <qxyseries.h>
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#include <qareaseries.h>
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#include <QPainter>
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#include <QGraphicsSceneEvent>
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#include <QGraphicsSimpleTextItem>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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LegendMarker::LegendMarker(QSeries* series,QLegend *legend) : QGraphicsObject(legend),
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m_series(series),
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m_markerRect(0,0,10.0,10.0),
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m_boundingRect(0,0,0,0),
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m_legend(legend),
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m_textItem(new QGraphicsSimpleTextItem(this)),
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m_rectItem(new QGraphicsRectItem(this))
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{
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//setAcceptedMouseButtons(Qt::LeftButton|Qt::RightButton);
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m_rectItem->setRect(m_markerRect);
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updateLayout();
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}
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void LegendMarker::setPen(const QPen &pen)
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{
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m_textItem->setPen(pen);
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updateLayout();
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}
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QPen LegendMarker::pen() const
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{
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return m_textItem->pen();
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}
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void LegendMarker::setBrush(const QBrush &brush)
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{
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m_rectItem->setBrush(brush);
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}
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QBrush LegendMarker::brush() const
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{
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return m_rectItem->brush();
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}
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void LegendMarker::setLabel(const QString name)
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{
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m_textItem->setText(name);
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updateLayout();
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}
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void LegendMarker::setSize(const QSize& size)
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{
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m_markerRect = QRectF(0,0,size.width(),size.height());
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}
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QString LegendMarker::label() const
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{
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return m_textItem->text();
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}
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void LegendMarker::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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Q_UNUSED(option)
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Q_UNUSED(widget)
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Q_UNUSED(painter)
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}
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QRectF LegendMarker::boundingRect() const
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{
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return m_boundingRect;
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}
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void LegendMarker::updateLayout()
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{
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static const qreal margin = 2;
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static const qreal space = 4;
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const QRectF& textRect = m_textItem->boundingRect();
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prepareGeometryChange();
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m_boundingRect = QRectF(0,0,m_markerRect.width() + 2*margin + space + textRect.width(),qMax(m_markerRect.height()+2*margin,textRect.height()+2*margin));
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m_textItem->setPos(m_markerRect.width() + space + margin,m_boundingRect.height()/2 - textRect.height()/2);
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m_rectItem->setPos(margin,m_boundingRect.height()/2 - m_markerRect.height()/2);
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}
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void LegendMarker::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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QGraphicsObject::mousePressEvent(event);
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emit selected();
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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AreaLegendMarker::AreaLegendMarker(QAreaSeries *series,QLegend *legend) : LegendMarker(series,legend),
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m_series(series)
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{
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QObject::connect(this, SIGNAL(selected()), series, SIGNAL(selected()));
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QObject::connect(series,SIGNAL(updated()), this, SLOT(updated()));
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updated();
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}
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void AreaLegendMarker::updated()
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{
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setBrush(m_series->brush());
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setLabel(m_series->name());
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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BarLegendMarker::BarLegendMarker(QBarSeries *series,QBarSet *barset, QLegend *legend) : LegendMarker(series,legend),
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m_barset(barset)
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{
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QObject::connect(this, SIGNAL(selected()),series, SIGNAL(selected()));
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QObject::connect(barset, SIGNAL(valueChanged()), this, SLOT(updated()));
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updated();
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}
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void BarLegendMarker::updated()
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{
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setBrush(m_barset->brush());
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setLabel(m_barset->name());
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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PieLegendMarker::PieLegendMarker(QPieSeries* series,QPieSlice *pieslice, QLegend *legend) : LegendMarker(series,legend),
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m_pieslice(pieslice)
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{
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QObject::connect(this, SIGNAL(selected()),pieslice, SIGNAL(selected()));
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QObject::connect(pieslice, SIGNAL(changed()), this, SLOT(updated()));
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QObject::connect(pieslice, SIGNAL(destroyed()), this, SLOT(deleteLater())); //TODO:checkthis
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updated();
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}
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void PieLegendMarker::updated()
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{
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setBrush(m_pieslice->brush());
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setLabel(m_pieslice->label());
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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XYLegendMarker::XYLegendMarker(QXYSeries *series, QLegend *legend) : LegendMarker(series,legend),
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m_series(series)
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{
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QObject::connect(this, SIGNAL(selected()), series, SIGNAL(selected()));
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QObject::connect(series,SIGNAL(updated()), this, SLOT(updated()));
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updated();
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}
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void XYLegendMarker::updated()
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{
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setLabel(m_series->name());
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if(m_series->type()== QSeries::SeriesTypeScatter)
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{
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setBrush(m_series->brush());
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}
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else {
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setBrush(QBrush(m_series->pen().color()));
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}
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}
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#include "moc_legendmarker_p.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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