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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 "declarativechart.h"
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#include <QPainter>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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DeclarativeChart::DeclarativeChart(QDeclarativeItem *parent)
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: QDeclarativeItem(parent),
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m_chart(new QChart(this)),
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m_legend(LegendTop)
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{
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setFlag(QGraphicsItem::ItemHasNoContents, false);
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m_chart->axisX()->setNiceNumbersEnabled(false);
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}
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DeclarativeChart::~DeclarativeChart()
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{
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delete m_chart;
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}
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void DeclarativeChart::childEvent(QChildEvent *event)
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{
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if (event->type() == QEvent::ChildAdded) {
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if (qobject_cast<QAbstractSeries *>(event->child())) {
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m_chart->addSeries(qobject_cast<QAbstractSeries *>(event->child()));
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}
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}
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}
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void DeclarativeChart::componentComplete()
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{
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// qDebug() << "DeclarativeChart::componentComplete(), maxX: " << axisX()->max();
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foreach(QObject *child, children()) {
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if (qobject_cast<QAbstractSeries *>(child)) {
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m_chart->addSeries(qobject_cast<QAbstractSeries *>(child));
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}
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}
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// qDebug() << "DeclarativeChart::componentComplete(), maxX: " << axisX()->max();
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QDeclarativeItem::componentComplete();
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}
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void DeclarativeChart::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
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{
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// qDebug() << "DeclarativeChart::geometryChanged" << newGeometry.width() << newGeometry.height();
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Q_UNUSED(oldGeometry)
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if (newGeometry.isValid()) {
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if (newGeometry.width() > 0 && newGeometry.height() > 0) {
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m_chart->resize(newGeometry.width(), newGeometry.height());
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}
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}
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}
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void DeclarativeChart::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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// TODO: optimized?
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painter->setRenderHint(QPainter::Antialiasing, true);
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}
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void DeclarativeChart::setAnimationOptions(QChart::AnimationOption animations)
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{
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m_chart->setAnimationOptions(animations);
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}
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QChart::AnimationOption DeclarativeChart::animationOptions()
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{
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if (m_chart->animationOptions().testFlag(QChart::AllAnimations))
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return QChart::AllAnimations;
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else if (m_chart->animationOptions().testFlag(QChart::GridAxisAnimations))
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return QChart::GridAxisAnimations;
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else if (m_chart->animationOptions().testFlag(QChart::SeriesAnimations))
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return QChart::SeriesAnimations;
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else
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return QChart::NoAnimation;
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}
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void DeclarativeChart::setLegend(ChartLegend legend)
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{
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if (legend != m_legend) {
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m_legend = legend;
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switch (m_legend) {
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case LegendDisabled:
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m_chart->legend()->setVisible(false);
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break;
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case LegendTop:
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m_chart->legend()->setVisible(true);
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m_chart->legend()->setAlignment(QLegend::AlignmentTop);
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break;
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case LegendBottom:
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m_chart->legend()->setVisible(true);
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m_chart->legend()->setAlignment(QLegend::AlignmentBottom);
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break;
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case LegendLeft:
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m_chart->legend()->setVisible(true);
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m_chart->legend()->setAlignment(QLegend::AlignmentLeft);
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break;
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case LegendRight:
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m_chart->legend()->setVisible(true);
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m_chart->legend()->setAlignment(QLegend::AlignmentRight);
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break;
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default:
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m_chart->legend()->setVisible(false);
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break;
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}
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}
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}
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DeclarativeChart::ChartLegend DeclarativeChart::legend()
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{
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return m_legend;
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}
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QAxis *DeclarativeChart::axisX()
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{
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return m_chart->axisX();
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}
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QAxis *DeclarativeChart::axisY()
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{
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return m_chart->axisY();
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}
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QVariantList DeclarativeChart::axisXLabels()
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{
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QVariantList labels;
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foreach (qreal value, m_chart->axisX()->categories()->values()) {
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// qDebug() << "Label for" << value << "is" << m_chart->axisX()->categories()->label(value);
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labels.append(value);
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labels.append(m_chart->axisX()->categories()->label(value));
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}
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return labels;
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}
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void DeclarativeChart::setAxisXLabels(QVariantList list)
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{
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QVariant value(QVariant::Invalid);
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foreach (QVariant element, list) {
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if (value.isValid() && element.type() == QVariant::String) {
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m_chart->axisX()->categories()->insert(value.toDouble(), element.toString());
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value = QVariant(QVariant::Invalid);
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} else {
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if (element.canConvert(QVariant::Double))
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value = element;
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}
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}
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}
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#include "moc_declarativechart.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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